nih-gov/www.ncbi.nlm.nih.gov/omim/600682

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<title>
Entry
- *600682 - SOLUTE CARRIER FAMILY 16 (MONOCARBOXYLIC ACID TRANSPORTER), MEMBER 1; SLC16A1
- OMIM
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<span class="h4">*600682</span>
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<strong>Table of Contents</strong>
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<li role="presentation">
<a href="#title"><strong>Title</strong></a>
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<a href="#geneMap"><strong>Gene-Phenotype Relationships</strong></a>
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<a href="#text"><strong>Text</strong></a>
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<li role="presentation" style="margin-left: 1em">
<a href="#description">Description</a>
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<li role="presentation" style="margin-left: 1em">
<a href="#cloning">Cloning and Expression</a>
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<li role="presentation" style="margin-left: 1em">
<a href="#geneStructure">Gene Structure</a>
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<li role="presentation" style="margin-left: 1em">
<a href="#mapping">Mapping</a>
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<li role="presentation" style="margin-left: 1em">
<a href="#geneFunction">Gene Function</a>
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<li role="presentation" style="margin-left: 1em">
<a href="#molecularGenetics">Molecular Genetics</a>
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<li role="presentation">
<a href="#allelicVariants"><strong>Allelic Variants</strong></a>
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<a href="/allelicVariants/600682">Table View</a>
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<a href="#references"><strong>References</strong></a>
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<a href="#contributors"><strong>Contributors</strong></a>
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<a href="#creationDate"><strong>Creation Date</strong></a>
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<span id="mimGenomeLinksToggleTriangle" class="small mimSingletonTriangle" style="color: #337CB5">&#9658;</span> Genome
</a>
</span>
</span>
</div>
<div id="mimGenomeLinksFold" class="panel-collapse collapse mimLinksFold" role="tabpanel" aria-labelledby="genome">
<div class="panel-body small mim-panel-body">
<div><a href="https://www.ensembl.org/Homo_sapiens/Location/View?db=core;g=ENSG00000155380;t=ENST00000369626" class="mim-tip-hint" title="Genome databases for vertebrates and other eukaryotic species." target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'Ensembl', 'domain': 'ensembl.org'})">Ensembl</a></div>
<div><a href="https://www.ncbi.nlm.nih.gov/genome/gdv/browser/gene/?id=6566" class="mim-tip-hint" title="Detailed views of the complete genomes of selected organisms from vertebrates to protozoa." target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'NCBI Genome Viewer', 'domain': 'ncbi.nlm.nih.gov'})">NCBI Genome Viewer</a></div>
<div><a href="https://genome.ucsc.edu/cgi-bin/hgTracks?db=hg38&hgFind=omimGeneAcc&position=600682" class="mim-tip-hint" title="UCSC Genome Browser; reference sequences and working draft assemblies for a large collection of genomes." target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'UCSC Genome Browser', 'domain': 'genome.ucsc.edu'})">UCSC Genome Browser</a></div>
</div>
</div>
</div>
<div class="panel panel-default" style="margin-top: 0px; border-radius: 0px">
<div class="panel-heading mim-panel-heading" role="tab" id="mimDna">
<span class="panel-title">
<span class="small">
<a href="#mimDnaLinksFold" id="mimDnaLinksToggle" class="collapsed mimSingletonTriangleToggle" role="button" data-toggle="collapse" data-parent="#mimExternalLinksAccordion">
<span id="mimDnaLinksToggleTriangle" class="small mimSingletonTriangle" style="color: #337CB5">&#9658;</span> DNA
</a>
</span>
</span>
</div>
<div id="mimDnaLinksFold" class="panel-collapse collapse mimLinksFold" role="tabpanel">
<div class="panel-body small mim-panel-body">
<div><a href="https://www.ensembl.org/Homo_sapiens/Transcript/Sequence_cDNA?db=core;g=ENSG00000155380;t=ENST00000369626" class="mim-tip-hint" title="Transcript-based views for coding and noncoding DNA." target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'Ensembl', 'domain': 'ensembl.org'})">Ensembl (MANE Select)</a></div>
<div><a href="https://www.ncbi.nlm.nih.gov/nuccore/NM_001166496,NM_003051,XM_047428789" class="mim-tip-hint" title="A collection of genome, gene, and transcript sequence data from several sources, including GenBank, RefSeq." target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'NCBI RefSeq', 'domain': 'ncbi.nlm.nih'})">NCBI RefSeq</a></div>
<div><a href="https://www.ncbi.nlm.nih.gov/nuccore/NM_003051" class="mim-tip-hint" title="A collection of genome, gene, and transcript sequence data from several sources, including GenBank, RefSeq." target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'NCBI RefSeq (MANE)', 'domain': 'ncbi.nlm.nih'})">NCBI RefSeq (MANE Select)</a></div>
<div><a href="https://genome.ucsc.edu/cgi-bin/hgTracks?db=hg38&hgFind=omimGeneAcc&position=600682" class="mim-tip-hint" title="UCSC Genome Browser; reference sequences and working draft assemblies for a large collection of genomes." target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'UCSC Genome Browser', 'domain': 'genome.ucsc.edu'})">UCSC Genome Browser</a></div>
</div>
</div>
</div>
<div class="panel panel-default" style="margin-top: 0px; border-radius: 0px">
<div class="panel-heading mim-panel-heading" role="tab" id="mimProtein">
<span class="panel-title">
<span class="small">
<a href="#mimProteinLinksFold" id="mimProteinLinksToggle" class="collapsed mimSingletonTriangleToggle" role="button" data-toggle="collapse" data-parent="#mimExternalLinksAccordion">
<span id="mimProteinLinksToggleTriangle" class="small mimSingletonTriangle" style="color: #337CB5">&#9658;</span> Protein
</a>
</span>
</span>
</div>
<div id="mimProteinLinksFold" class="panel-collapse collapse mimLinksFold" role="tabpanel">
<div class="panel-body small mim-panel-body">
<div><a href="https://hprd.org/summary?hprd_id=02816&isoform_id=02816_1&isoform_name=Isoform_1" class="mim-tip-hint" title="The Human Protein Reference Database; manually extracted and visually depicted information on human proteins." target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'HPRD', 'domain': 'hprd.org'})">HPRD</a></div>
<div><a href="https://www.proteinatlas.org/search/SLC16A1" class="mim-tip-hint" title="The Human Protein Atlas contains information for a large majority of all human protein-coding genes regarding the expression and localization of the corresponding proteins based on both RNA and protein data." target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'HumanProteinAtlas', 'domain': 'proteinatlas.org'})">Human Protein Atlas</a></div>
<div><a href="https://www.ncbi.nlm.nih.gov/protein/561722,7328162,19584254,20070938,71297308,115583685,119576955,119576956,119576957,189065563,194383294,194383848,262073007,313104214,2217270426,2462496052,2462513024" class="mim-tip-hint" title="NCBI protein data." target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'NCBI Protein', 'domain': 'ncbi.nlm.nih.gov'})">NCBI Protein</a></div>
<div><a href="https://www.uniprot.org/uniprotkb/P53985" class="mim-tip-hint" title="Comprehensive protein sequence and functional information, including supporting data." target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'UniProt', 'domain': 'uniprot.org'})">UniProt</a></div>
</div>
</div>
</div>
<div class="panel panel-default" style="margin-top: 0px; border-radius: 0px">
<div class="panel-heading mim-panel-heading" role="tab" id="mimGeneInfo">
<span class="panel-title">
<span class="small">
<a href="#mimGeneInfoLinksFold" id="mimGeneInfoLinksToggle" class="collapsed mimSingletonTriangleToggle" role="button" data-toggle="collapse" data-parent="#mimExternalLinksAccordion">
<div style="display: table-row">
<div id="mimGeneInfoLinksToggleTriangle" class="small mimSingletonTriangle" style="color: #337CB5; display: table-cell;">&#9658;</div>
&nbsp;
<div style="display: table-cell;">Gene Info</div>
</div>
</a>
</span>
</span>
</div>
<div id="mimGeneInfoLinksFold" class="panel-collapse collapse mimLinksFold" role="tabpanel">
<div class="panel-body small mim-panel-body">
<div><a href="http://biogps.org/#goto=genereport&id=6566" class="mim-tip-hint" title="The Gene Portal Hub; customizable portal of gene and protein function information." target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'BioGPS', 'domain': 'biogps.org'})">BioGPS</a></div>
<div><a href="https://www.ensembl.org/Homo_sapiens/Gene/Summary?db=core;g=ENSG00000155380;t=ENST00000369626" class="mim-tip-hint" title="Orthologs, paralogs, regulatory regions, and splice variants." target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'Ensembl', 'domain': 'ensembl.org'})">Ensembl</a></div>
<div><a href="https://www.genecards.org/cgi-bin/carddisp.pl?gene=SLC16A1" class="mim-tip-hint" title="The Human Genome Compendium; web-based cards integrating automatically mined information on human genes." target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'GeneCards', 'domain': 'genecards.org'})">GeneCards</a></div>
<div><a href="http://amigo.geneontology.org/amigo/search/annotation?q=SLC16A1" class="mim-tip-hint" title="Terms, defined using controlled vocabulary, representing gene product properties (biologic process, cellular component, molecular function) across species." target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'GeneOntology', 'domain': 'amigo.geneontology.org'})">Gene Ontology</a></div>
<div><a href="https://www.genome.jp/dbget-bin/www_bget?hsa+6566" class="mim-tip-hint" title="Kyoto Encyclopedia of Genes and Genomes; diagrams of signaling pathways." target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'KEGG', 'domain': 'genome.jp'})">KEGG</a></div>
<dd><a href="http://v1.marrvel.org/search/gene/SLC16A1" class="mim-tip-hint" title="Model organism Aggregated Resources for Rare Variant ExpLoration." target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'MARRVEL', 'domain': 'marrvel.org'})">MARRVEL</a></dd>
<dd><a href="https://monarchinitiative.org/NCBIGene:6566" class="mim-tip-hint" title="Monarch Initiative." target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'Monarch', 'domain': 'monarchinitiative.org'})">Monarch</a></dd>
<div><a href="https://www.ncbi.nlm.nih.gov/gene/6566" class="mim-tip-hint" title="Gene-specific map, sequence, expression, structure, function, citation, and homology data." target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'NCBI Gene', 'domain': 'ncbi.nlm.nih.gov'})">NCBI Gene</a></div>
<div><a href="https://genome.ucsc.edu/cgi-bin/hgGene?db=hg38&hgg_chrom=chr1&hgg_gene=ENST00000369626.8&hgg_start=112911847&hgg_end=112956196&hgg_type=knownGene" class="mim-tip-hint" title="UCSC Genome Bioinformatics; gene-specific structure and function information with links to other databases." target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'UCSC', 'domain': 'genome.ucsc.edu'})">UCSC</a></div>
</div>
</div>
</div>
<div class="panel panel-default" style="margin-top: 0px; border-radius: 0px">
<div class="panel-heading mim-panel-heading" role="tab" id="mimClinicalResources">
<span class="panel-title">
<span class="small">
<a href="#mimClinicalResourcesLinksFold" id="mimClinicalResourcesLinksToggle" class="collapsed mimSingletonTriangleToggle" role="button" data-toggle="collapse" data-parent="#mimExternalLinksAccordion">
<div style="display: table-row">
<div id="mimClinicalResourcesLinksToggleTriangle" class="small mimSingletonTriangle" style="color: #337CB5; display: table-cell;">&#9658;</div>
&nbsp;
<div style="display: table-cell;">Clinical Resources</div>
</div>
</a>
</span>
</span>
</div>
<div id="mimClinicalResourcesLinksFold" class="panel-collapse collapse mimLinksFold" role="tabpanel" aria-labelledby="clinicalResources">
<div class="panel-body small mim-panel-body">
<div><a href="https://www.ncbi.nlm.nih.gov/gtr/all/tests/?term=600682[mim]" class="mim-tip-hint" title="Genetic Testing Registry." target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'GTR', 'domain': 'ncbi.nlm.nih.gov'})">GTR</a></div>
</div>
</div>
</div>
<div class="panel panel-default" style="margin-top: 0px; border-radius: 0px">
<div class="panel-heading mim-panel-heading" role="tab" id="mimVariation">
<span class="panel-title">
<span class="small">
<a href="#mimVariationLinksFold" id="mimVariationLinksToggle" class=" mimSingletonTriangleToggle" role="button" data-toggle="collapse" data-parent="#mimExternalLinksAccordion">
<span id="mimVariationLinksToggleTriangle" class="small mimSingletonTriangle" style="color: #337CB5">&#9660;</span> Variation
</a>
</span>
</span>
</div>
<div id="mimVariationLinksFold" class="panel-collapse collapse in mimLinksFold" role="tabpanel">
<div class="panel-body small mim-panel-body">
<div><a href="https://www.ncbi.nlm.nih.gov/clinvar?term=600682[MIM]" class="mim-tip-hint" title="ClinVar aggregates information about sequence variation and its relationship to human health." target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'ClinVar', 'domain': 'ncbi.nlm.nih.gov'})">ClinVar</a></div>
<div><a href="https://gnomad.broadinstitute.org/gene/ENSG00000155380" class="mim-tip-hint" title="The Genome Aggregation Database (gnomAD), Broad Institute." target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'gnomAD', 'domain': 'gnomad.broadinstitute.org'})">gnomAD</a></div>
<div><a href="https://www.ebi.ac.uk/gwas/search?query=SLC16A1" class="mim-tip-hint" title="GWAS Catalog; NHGRI-EBI Catalog of published genome-wide association studies." target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'GWAS Catalog', 'domain': 'gwascatalog.org'})">GWAS Catalog&nbsp;</a></div>
<div><a href="https://www.gwascentral.org/search?q=SLC16A1" class="mim-tip-hint" title="GWAS Central; summary level genotype-to-phenotype information from genetic association studies." target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'GWAS Central', 'domain': 'gwascentral.org'})">GWAS Central&nbsp;</a></div>
<div><a href="http://www.hgmd.cf.ac.uk/ac/gene.php?gene=SLC16A1" class="mim-tip-hint" title="Human Gene Mutation Database; published mutations causing or associated with human inherited disease; disease-associated/functional polymorphisms." target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'HGMD', 'domain': 'hgmd.cf.ac.uk'})">HGMD</a></div>
<div><a href="https://evs.gs.washington.edu/EVS/PopStatsServlet?searchBy=Gene+Hugo&target=SLC16A1&upstreamSize=0&downstreamSize=0&x=0&y=0" class="mim-tip-hint" title="National Heart, Lung, and Blood Institute Exome Variant Server." target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'NHLBI EVS', 'domain': 'evs.gs.washington.edu'})">NHLBI EVS</a></div>
<div><a href="https://www.pharmgkb.org/gene/PA35813" class="mim-tip-hint" title="Pharmacogenomics Knowledge Base; curated and annotated information regarding the effects of human genetic variations on drug response." target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PharmGKB', 'domain': 'pharmgkb.org'})">PharmGKB</a></div>
</div>
</div>
</div>
<div class="panel panel-default" style="margin-top: 0px; border-radius: 0px">
<div class="panel-heading mim-panel-heading" role="tab" id="mimAnimalModels">
<span class="panel-title">
<span class="small">
<a href="#mimAnimalModelsLinksFold" id="mimAnimalModelsLinksToggle" class="collapsed mimSingletonTriangleToggle" role="button" data-toggle="collapse" data-parent="#mimExternalLinksAccordion">
<div style="display: table-row">
<div id="mimAnimalModelsLinksToggleTriangle" class="small mimSingletonTriangle" style="color: #337CB5; display: table-cell;">&#9658;</div>
&nbsp;
<div style="display: table-cell;">Animal Models</div>
</div>
</a>
</span>
</span>
</div>
<div id="mimAnimalModelsLinksFold" class="panel-collapse collapse mimLinksFold" role="tabpanel">
<div class="panel-body small mim-panel-body">
<div><a href="https://www.alliancegenome.org/gene/HGNC:10922" class="mim-tip-hint" title="Search Across Species; explore model organism and human comparative genomics." target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'Alliance Genome', 'domain': 'alliancegenome.org'})">Alliance Genome</a></div>
<div><a href="https://flybase.org/reports/FBgn0023549.html" class="mim-tip-hint" title="A Database of Drosophila Genes and Genomes." target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'FlyBase', 'domain': 'flybase.org'})">FlyBase</a></div>
<div><a href="https://www.mousephenotype.org/data/genes/MGI:106013" class="mim-tip-hint" title="International Mouse Phenotyping Consortium." target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'IMPC', 'domain': 'knockoutmouse.org'})">IMPC</a></div>
<div><a href="http://v1.marrvel.org/search/gene/SLC16A1#HomologGenesPanel" class="mim-tip-hint" title="Model organism Aggregated Resources for Rare Variant ExpLoration." target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'MARRVEL', 'domain': 'marrvel.org'})">MARRVEL</a></div>
<div><a href="http://www.informatics.jax.org/marker/MGI:106013" class="mim-tip-hint" title="Mouse Genome Informatics; international database resource for the laboratory mouse, including integrated genetic, genomic, and biological data." target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'MGI Mouse Gene', 'domain': 'informatics.jax.org'})">MGI Mouse Gene</a></div>
<div><a href="https://www.mmrrc.org/catalog/StrainCatalogSearchForm.php?search_query=" class="mim-tip-hint" title="Mutant Mouse Resource & Research Centers." target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'MMRRC', 'domain': 'mmrrc.org'})">MMRRC</a></div>
<div><a href="https://www.ncbi.nlm.nih.gov/gene/6566/ortholog/" class="mim-tip-hint" title="Orthologous genes at NCBI." target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'NCBI Orthologs', 'domain': 'ncbi.nlm.nih.gov'})">NCBI Orthologs</a></div>
<div><a href="https://www.orthodb.org/?ncbi=6566" class="mim-tip-hint" title="Hierarchical catalogue of orthologs." target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'OrthoDB', 'domain': 'orthodb.org'})">OrthoDB</a></div>
<div><a href="mim#WormbaseGeneFold" id="mimWormbaseGeneToggle" data-toggle="collapse" class="mim-tip-hint mimTriangleToggle" title="Database of the biology and genome of Caenorhabditis elegans and related nematodes."><span id="mimWormbaseGeneToggleTriangle" class="small" style="margin-left: -0.8em;">&#9658;</span>Wormbase Gene</div>
<div id="mimWormbaseGeneFold" class="collapse">
<div style="margin-left: 0.5em;"><a href="https://wormbase.org/db/gene/gene?name=WBGene00003986;class=Gene" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'Wormbase Gene', 'domain': 'wormbase.org'})">WBGene00003986&nbsp;</a></div><div style="margin-left: 0.5em;"><a href="https://wormbase.org/db/gene/gene?name=WBGene00015676;class=Gene" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'Wormbase Gene', 'domain': 'wormbase.org'})">WBGene00015676&nbsp;</a></div><div style="margin-left: 0.5em;"><a href="https://wormbase.org/db/gene/gene?name=WBGene00020168;class=Gene" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'Wormbase Gene', 'domain': 'wormbase.org'})">WBGene00020168&nbsp;</a></div>
</div>
<div><a href="https://zfin.org/ZDB-GENE-030515-5" class="mim-tip-hint" title="The Zebrafish Model Organism Database." target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'ZFin', 'domain': 'zfin.org'})">ZFin</a></div>
</div>
</div>
</div>
<div class="panel panel-default" style="margin-top: 0px; border-radius: 0px">
<div class="panel-heading mim-panel-heading" role="tab" id="mimCellularPathways">
<span class="panel-title">
<span class="small">
<a href="#mimCellularPathwaysLinksFold" id="mimCellularPathwaysLinksToggle" class="collapsed mimSingletonTriangleToggle" role="button" data-toggle="collapse" data-parent="#mimExternalLinksAccordion">
<div style="display: table-row">
<div id="mimCellularPathwaysLinksToggleTriangle" class="small mimSingletonTriangle" style="color: #337CB5; display: table-cell;">&#9658;</div>
&nbsp;
<div style="display: table-cell;">Cellular Pathways</div>
</div>
</a>
</span>
</span>
</div>
<div id="mimCellularPathwaysLinksFold" class="panel-collapse collapse mimLinksFold" role="tabpanel">
<div class="panel-body small mim-panel-body">
<div><a href="https://www.genome.jp/dbget-bin/get_linkdb?-t+pathway+hsa:6566" class="mim-tip-hint" title="Kyoto Encyclopedia of Genes and Genomes; diagrams of signaling pathways." target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'KEGG', 'domain': 'genome.jp'})">KEGG</a></div>
<div><a href="https://reactome.org/content/query?q=SLC16A1&species=Homo+sapiens&types=Reaction&types=Pathway&cluster=true" class="definition" title="Protein-specific information in the context of relevant cellular pathways." target="_blank" onclick="gtag('event', 'mim_outbound', {{'name': 'Reactome', 'domain': 'reactome.org'}})">Reactome</a></div>
</div>
</div>
</div>
</div>
</div>
</div>
<span>
<span class="mim-tip-bottom" qtip_title="<strong>Looking for this gene or this phenotype in other resources?</strong>" qtip_text="Select a related resource from the dropdown menu and click for a targeted link to information directly relevant.">
&nbsp;
</span>
</span>
</div>
<div class="col-lg-8 col-lg-pull-2 col-md-8 col-md-pull-2 col-sm-8 col-sm-pull-2 col-xs-12">
<div>
<a id="title" class="mim-anchor"></a>
<div>
<a id="number" class="mim-anchor"></a>
<div class="text-right">
<a href="#" class="mim-tip-icd" qtip_title="<strong>ICD+</strong>" qtip_text="
<strong>SNOMEDCT:</strong> 715830008, 766715000<br />
">ICD+</a>
</div>
<div>
<span class="h3">
<span class="mim-font mim-tip-hint" title="Gene description">
<span class="text-danger"><strong>*</strong></span>
600682
</span>
</span>
</div>
</div>
<div>
<a id="preferredTitle" class="mim-anchor"></a>
<h3>
<span class="mim-font">
SOLUTE CARRIER FAMILY 16 (MONOCARBOXYLIC ACID TRANSPORTER), MEMBER 1; SLC16A1
</span>
</h3>
</div>
<div>
<br />
</div>
<div>
<a id="alternativeTitles" class="mim-anchor"></a>
<div>
<p>
<span class="mim-font">
<em>Alternative titles; symbols</em>
</span>
</p>
</div>
<div>
<h4>
<span class="mim-font">
MONOCARBOXYLATE TRANSPORTER 1; MCT1
</span>
</h4>
</div>
</div>
<div>
<br />
</div>
</div>
<div>
<a id="approvedGeneSymbols" class="mim-anchor"></a>
<p>
<span class="mim-text-font">
<strong><em>HGNC Approved Gene Symbol: <a href="https://www.genenames.org/tools/search/#!/genes?query=SLC16A1" class="mim-tip-hint" title="HUGO Gene Nomenclature Committee." target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'HGNC', 'domain': 'genenames.org'})">SLC16A1</a></em></strong>
</span>
</p>
</div>
<div>
<a id="cytogeneticLocation" class="mim-anchor"></a>
<p>
<span class="mim-text-font">
<strong>
<em>
Cytogenetic location: <a href="/geneMap/1/929?start=-3&limit=10&highlight=929">1p13.2</a>
&nbsp;
Genomic coordinates <span class="small">(GRCh38)</span> : <a href="https://genome.ucsc.edu/cgi-bin/hgTracks?db=hg38&position=chr1:112911847-112956196&dgv=pack&knownGene=pack&omimGene=pack" class="mim-tip-hint" title="UCSC Genome Browser; reference sequences and working draft assemblies for a large collection of genomes." target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'UCSC Genome Browser', 'domain': 'genome.ucsc.edu'})">1:112,911,847-112,956,196</a> </span>
</em>
</strong>
<a href="https://www.ncbi.nlm.nih.gov/" target="_blank" class="small"> (from NCBI) </a>
</span>
</p>
</div>
<div>
<br />
</div>
<div>
<a id="geneMap" class="mim-anchor"></a>
<div style="margin-bottom: 10px;">
<span class="h4 mim-font">
<strong>Gene-Phenotype Relationships</strong>
</span>
</div>
<div>
<table class="table table-bordered table-condensed table-hover small mim-table-padding">
<thead>
<tr class="active">
<th>
Location
</th>
<th>
Phenotype
<span class="hidden-sm hidden-xs pull-right">
<a href="/clinicalSynopsis/table?mimNumber=245340,610021,616095" class="label label-warning" onclick="gtag('event', 'mim_link', {'source': 'Entry', 'destination': 'clinicalSynopsisTable'})">
View Clinical Synopses
</a>
</span>
</th>
<th>
Phenotype <br /> MIM number
</th>
<th>
Inheritance
</th>
<th>
Phenotype <br /> mapping key
</th>
</tr>
</thead>
<tbody>
<tr>
<td rowspan="3">
<span class="mim-font">
<a href="/geneMap/1/929?start=-3&limit=10&highlight=929">
1p13.2
</a>
</span>
</td>
<td>
<span class="mim-font">
Erythrocyte lactate transporter defect
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/245340"> 245340 </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal dominant">AD</abbr>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="3 - The molecular basis of the disorder is known">3</abbr>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
Hyperinsulinemic hypoglycemia, familial, 7
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/610021"> 610021 </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal dominant">AD</abbr>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="3 - The molecular basis of the disorder is known">3</abbr>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
Monocarboxylate transporter 1 deficiency
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/616095"> 616095 </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal dominant">AD</abbr>, <abbr class="mim-tip-hint" title="Autosomal recessive">AR</abbr>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="3 - The molecular basis of the disorder is known">3</abbr>
</span>
</td>
</tr>
</tbody>
</table>
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<span class="mim-tip-floating" qtip_title="<strong>Looking For More References?</strong>" qtip_text="Click the 'reference plus' icon &lt;span class='glyphicon glyphicon-plus-sign'&gt;&lt;/span&gt at the end of each OMIM text paragraph to see more references related to the content of the preceding paragraph.">
<strong>TEXT</strong>
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<a id="description" class="mim-anchor"></a>
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<strong>Description</strong>
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<p>The SLC16A1 gene encodes a monocarboxylate transporter (MCT1) that mediates the movement of lactate and pyruvate across cell membranes. Import and export of these substrates by tissues such as erythrocytes, muscle, intestine, and kidney are ascribed largely to the action of a proton-coupled MCT (<a href="#4" class="mim-tip-reference" title="Garcia, C. K., Goldstein, J. L., Pathak, R. K., Anderson, R. G. W., Brown, M. S. &lt;strong&gt;Molecular characterization of a membrane transporter for lactate, pyruvate, and other monocarboxylates: implications for the Cori cycle.&lt;/strong&gt; Cell 76: 865-873, 1994.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/8124722/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;8124722&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1016/0092-8674(94)90361-1&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="8124722">Garcia et al., 1994</a>). <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=8124722" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})"><span class="glyphicon glyphicon-plus-sign mim-tip-hint" title="Click this 'reference-plus' icon to see articles related to this paragraph in PubMed."></span></a></p>
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<br />
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<div>
<a id="cloning" class="mim-anchor"></a>
<h4 href="#mimCloningFold" id="mimCloningToggle" class="mimTriangleToggle" style="cursor: pointer;" data-toggle="collapse">
<span id="mimCloningToggleTriangle" class="small mimTextToggleTriangle">&#9660;</span>
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<strong>Cloning and Expression</strong>
</span>
</h4>
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<div id="mimCloningFold" class="collapse in mimTextToggleFold">
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<p>In a Chinese hamster ovary (CHO) cell line, <a href="#6" class="mim-tip-reference" title="Kim, C. M., Goldstein, J. L., Brown, M. S. &lt;strong&gt;cDNA cloning of mev, a mutant protein that facilitates cellular uptake of mevalonate, and identification of the point mutation responsible for its gain of function.&lt;/strong&gt; J. Biol. Chem. 267: 23113-23121, 1992.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/1429658/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;1429658&lt;/a&gt;]" pmid="1429658">Kim et al. (1992)</a> identified a mutant protein, designated Mev, that acted as a mevalonate transporter. The corresponding cDNA was isolated by an expression cloning strategy and found to encode a protein with 12 putative membrane-spanning regions. The cloned mutant 'mevalonate transporter' differed from its wildtype progenitor by 1 amino acid in the tenth membrane-spanning region, which changed a phenylalanine (wildtype) to a cysteine (mutant). The mutant cells were heterozygous for this dominant gain-of-function mutation. The finding that the wildtype cDNA did not elicit increased mevalonate transport in transfected cells suggested that the wildtype protein is a transporter for a molecule other than mevalonate (i.e., lactate). The mRNA transcribed from the wildtype gene was expressed in highest levels in heart. Subsequent studies by <a href="#4" class="mim-tip-reference" title="Garcia, C. K., Goldstein, J. L., Pathak, R. K., Anderson, R. G. W., Brown, M. S. &lt;strong&gt;Molecular characterization of a membrane transporter for lactate, pyruvate, and other monocarboxylates: implications for the Cori cycle.&lt;/strong&gt; Cell 76: 865-873, 1994.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/8124722/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;8124722&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1016/0092-8674(94)90361-1&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="8124722">Garcia et al. (1994)</a> showed that the wildtype protein, which they designated MCT1, could transport lactate, pyruvate, and related monocarboxylates. MCT1 exhibited properties resembling those of the erythrocyte MCT, including proton symport, transacceleration, and sensitivity to alpha-cyanocinnamates. The amino acid sequence of MCT1 did not resemble that of any known protein, suggesting that MCT1 may represent a new class of solute carriers (solute carrier family 16). <a href="https://pubmed.ncbi.nlm.nih.gov/?term=8124722+1429658" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})"><span class="glyphicon glyphicon-plus-sign mim-tip-hint" title="Click this 'reference-plus' icon to see articles related to this paragraph in PubMed."></span></a></p><p><a href="#5" class="mim-tip-reference" title="Garcia, C. K., Li, X., Luna, J., Francke, U. &lt;strong&gt;cDNA cloning of the human monocarboxylate transporter 1 and chromosomal localization of the SLC16A1 locus to 1p13.2-p12.&lt;/strong&gt; Genomics 23: 500-503, 1994.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/7835905/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;7835905&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1006/geno.1994.1532&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="7835905">Garcia et al. (1994)</a> isolated cDNA clones corresponding to human MCT1 from a heart cDNA library. The deduced 500-residue protein showed 86% identity to the hamster protein. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=7835905" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})"><span class="glyphicon glyphicon-plus-sign mim-tip-hint" title="Click this 'reference-plus' icon to see articles related to this paragraph in PubMed."></span></a></p><p>Using primers derived from the human heart MCT1 cDNA isolated by <a href="#5" class="mim-tip-reference" title="Garcia, C. K., Li, X., Luna, J., Francke, U. &lt;strong&gt;cDNA cloning of the human monocarboxylate transporter 1 and chromosomal localization of the SLC16A1 locus to 1p13.2-p12.&lt;/strong&gt; Genomics 23: 500-503, 1994.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/7835905/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;7835905&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1006/geno.1994.1532&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="7835905">Garcia et al. (1994)</a>, <a href="#15" class="mim-tip-reference" title="Ritzhaupt, A., Wood, I. S., Ellis, A., Hosie, K. B., Shirazi-Beechey, S. P. &lt;strong&gt;Identification and characterization of a monocarboxylate transporter (MCI1) in pig and human colon: its potential to transport L-lactate as well as butyrate.&lt;/strong&gt; J. Physiol. 513: 719-732, 1998.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/9824713/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;9824713&lt;/a&gt;, &lt;a href=&quot;https://www.ncbi.nlm.nih.gov/pmc/?term=9824713[PMID]&amp;report=imagesdocsum&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed Image&#x27;, &#x27;domain&#x27;: &#x27;ncbi.nlm.nih.gov&#x27;})&quot;&gt;images&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1111/j.1469-7793.1998.719ba.x&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="9824713">Ritzhaupt et al. (1998)</a> cloned MCT1 from human colon mRNA. The heart and colon MCT1 cDNAs are identical. Northern blot analysis detected a 3.3-kb transcript in ileal and colonic RNA. Western blot analysis detected MCT1 at an apparent molecular mass of 40 kD in colonic luminal membrane vesicles. <a href="https://pubmed.ncbi.nlm.nih.gov/?term=9824713+7835905" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})"><span class="glyphicon glyphicon-plus-sign mim-tip-hint" title="Click this 'reference-plus' icon to see articles related to this paragraph in PubMed."></span></a></p>
</span>
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<br />
</div>
</div>
<div>
<a id="geneStructure" class="mim-anchor"></a>
<h4 href="#mimGeneStructureFold" id="mimGeneStructureToggle" class="mimTriangleToggle" style="cursor: pointer;" data-toggle="collapse">
<span id="mimGeneStructureToggleTriangle" class="small mimTextToggleTriangle">&#9660;</span>
<span class="mim-font">
<strong>Gene Structure</strong>
</span>
</h4>
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<div id="mimGeneStructureFold" class="collapse in mimTextToggleFold">
<span class="mim-text-font">
<p><a href="#2" class="mim-tip-reference" title="Cuff, M. A., Shirazi-Beechey, S. P. &lt;strong&gt;The human monocarboxylate transporter, MCT1: genomic organization and promoter analysis.&lt;/strong&gt; Biochem. Biophys. Res. Commun. 292: 1048-1056, 2002.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/11944921/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;11944921&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1006/bbrc.2002.6763&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="11944921">Cuff and Shirazi-Beechey (2002)</a> determined that the SLC16A1 gene contains 5 exons and spans about 44 kb. The first exon is noncoding, and the first intron is more than 26 kb long. The promoter region lacks a TATA box, but it contains potential binding sites for several transcription factors. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=11944921" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})"><span class="glyphicon glyphicon-plus-sign mim-tip-hint" title="Click this 'reference-plus' icon to see articles related to this paragraph in PubMed."></span></a></p>
</span>
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<br />
</div>
</div>
<div>
<a id="mapping" class="mim-anchor"></a>
<h4 href="#mimMappingFold" id="mimMappingToggle" class="mimTriangleToggle" style="cursor: pointer;" data-toggle="collapse">
<span id="mimMappingToggleTriangle" class="small mimTextToggleTriangle">&#9660;</span>
<span class="mim-font">
<strong>Mapping</strong>
</span>
</h4>
</div>
<div id="mimMappingFold" class="collapse in mimTextToggleFold">
<span class="mim-text-font">
<p><a href="#5" class="mim-tip-reference" title="Garcia, C. K., Li, X., Luna, J., Francke, U. &lt;strong&gt;cDNA cloning of the human monocarboxylate transporter 1 and chromosomal localization of the SLC16A1 locus to 1p13.2-p12.&lt;/strong&gt; Genomics 23: 500-503, 1994.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/7835905/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;7835905&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1006/geno.1994.1532&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="7835905">Garcia et al. (1994)</a> mapped the SLC16A1 gene to chromosome 1p13.2-p12 by PCR analysis of panels of human/rodent cell hybrid lines and by fluorescence in situ hybridization. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=7835905" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})"><span class="glyphicon glyphicon-plus-sign mim-tip-hint" title="Click this 'reference-plus' icon to see articles related to this paragraph in PubMed."></span></a></p>
</span>
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<br />
</div>
</div>
<div>
<a id="geneFunction" class="mim-anchor"></a>
<h4 href="#mimGeneFunctionFold" id="mimGeneFunctionToggle" class="mimTriangleToggle" style="cursor: pointer;" data-toggle="collapse">
<span id="mimGeneFunctionToggleTriangle" class="small mimTextToggleTriangle">&#9660;</span>
<span class="mim-font">
<strong>Gene Function</strong>
</span>
</h4>
</div>
<div id="mimGeneFunctionFold" class="collapse in mimTextToggleFold">
<span class="mim-text-font">
<p>Using radiolabeled lactate, <a href="#15" class="mim-tip-reference" title="Ritzhaupt, A., Wood, I. S., Ellis, A., Hosie, K. B., Shirazi-Beechey, S. P. &lt;strong&gt;Identification and characterization of a monocarboxylate transporter (MCI1) in pig and human colon: its potential to transport L-lactate as well as butyrate.&lt;/strong&gt; J. Physiol. 513: 719-732, 1998.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/9824713/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;9824713&lt;/a&gt;, &lt;a href=&quot;https://www.ncbi.nlm.nih.gov/pmc/?term=9824713[PMID]&amp;report=imagesdocsum&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed Image&#x27;, &#x27;domain&#x27;: &#x27;ncbi.nlm.nih.gov&#x27;})&quot;&gt;images&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1111/j.1469-7793.1998.719ba.x&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="9824713">Ritzhaupt et al. (1998)</a> examined the properties of the L-lactate transporter in human and pig colonic luminal membrane vesicles. L-lactate uptake was stimulated in the presence of an outward-directed anion gradient at an extravesicular pH of 5.5. Transport of L-lactate into anion-loaded colonic membrane vesicles appeared to be via a proton-activated, anion exchange mechanism. L-lactate uptake was competitively inhibited by pyruvate, butyrate, propionate, and acetate, but not by Cl- or SO4(2-), and it was pharmacologically inhibited by several mercurial compounds. Based on these findings, <a href="#15" class="mim-tip-reference" title="Ritzhaupt, A., Wood, I. S., Ellis, A., Hosie, K. B., Shirazi-Beechey, S. P. &lt;strong&gt;Identification and characterization of a monocarboxylate transporter (MCI1) in pig and human colon: its potential to transport L-lactate as well as butyrate.&lt;/strong&gt; J. Physiol. 513: 719-732, 1998.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/9824713/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;9824713&lt;/a&gt;, &lt;a href=&quot;https://www.ncbi.nlm.nih.gov/pmc/?term=9824713[PMID]&amp;report=imagesdocsum&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed Image&#x27;, &#x27;domain&#x27;: &#x27;ncbi.nlm.nih.gov&#x27;})&quot;&gt;images&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1111/j.1469-7793.1998.719ba.x&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="9824713">Ritzhaupt et al. (1998)</a> concluded that MCT1 is the protein responsible for L-lactate transport into colonic luminal membrane vesicles. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=9824713" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})"><span class="glyphicon glyphicon-plus-sign mim-tip-hint" title="Click this 'reference-plus' icon to see articles related to this paragraph in PubMed."></span></a></p><p><a href="#7" class="mim-tip-reference" title="Lee, Y., Morrison, B. M., Li, Y., Lengacher, S., Farah, M. H., Hoffman, P. N., Liu, Y., Tsingalia, A., Jin, L., Zhang, P.-W., Pellerin, L., Magistretti, P. J., Rothstein, J. D. &lt;strong&gt;Oligodendroglia metabolically support axons and contribute to neurodegeneration.&lt;/strong&gt; Nature 487: 443-448, 2012.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/22801498/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;22801498&lt;/a&gt;, &lt;a href=&quot;https://www.ncbi.nlm.nih.gov/pmc/?term=22801498[PMID]&amp;report=imagesdocsum&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed Image&#x27;, &#x27;domain&#x27;: &#x27;ncbi.nlm.nih.gov&#x27;})&quot;&gt;images&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1038/nature11314&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="22801498">Lee et al. (2012)</a> showed that the most abundant lactate transporter in the central nervous system, MCT1 (also known as SLC16A1), is highly enriched within oligodendroglia and that disruption of this transporter produces axon damage and neuron loss in animal and cell culture models. In addition, this same transporter is reduced in patients with, and in mouse models of, amyotrophic lateral sclerosis (ALS; see <a href="/entry/105400">105400</a>), suggesting a role for oligodendroglial MCT1 in pathogenesis. <a href="#7" class="mim-tip-reference" title="Lee, Y., Morrison, B. M., Li, Y., Lengacher, S., Farah, M. H., Hoffman, P. N., Liu, Y., Tsingalia, A., Jin, L., Zhang, P.-W., Pellerin, L., Magistretti, P. J., Rothstein, J. D. &lt;strong&gt;Oligodendroglia metabolically support axons and contribute to neurodegeneration.&lt;/strong&gt; Nature 487: 443-448, 2012.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/22801498/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;22801498&lt;/a&gt;, &lt;a href=&quot;https://www.ncbi.nlm.nih.gov/pmc/?term=22801498[PMID]&amp;report=imagesdocsum&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed Image&#x27;, &#x27;domain&#x27;: &#x27;ncbi.nlm.nih.gov&#x27;})&quot;&gt;images&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1038/nature11314&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="22801498">Lee et al. (2012)</a> concluded that the role of oligodendroglia in axon function and neuron survival has been elusive; this study defines a new fundamental mechanism by which oligodendroglia support neurons and axons. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=22801498" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})"><span class="glyphicon glyphicon-plus-sign mim-tip-hint" title="Click this 'reference-plus' icon to see articles related to this paragraph in PubMed."></span></a></p><p>In a genomewide haploid genetics screen to identify resistance mechanisms to 3-bromopyruvate (3-BrPA), a cancer drug candidate that inhibits glycolysis, <a href="#1" class="mim-tip-reference" title="Birsoy, K., Wang, T., Possemato, R., Yilmaz, O. H., Koch, C. E., Chen, W. W., Hutchins, A. W., Gultekin, Y., Peterson, T. R., Carette, J. E., Brummelkamp, T. R., Clish, C. B., Sabatini, D. M. &lt;strong&gt;MCT1-mediated transport of a toxic molecule is an effective strategy for targeting glycolytic tumors.&lt;/strong&gt; Nature Genet. 45: 104-108, 2013.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/23202129/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;23202129&lt;/a&gt;, &lt;a href=&quot;https://www.ncbi.nlm.nih.gov/pmc/?term=23202129[PMID]&amp;report=imagesdocsum&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed Image&#x27;, &#x27;domain&#x27;: &#x27;ncbi.nlm.nih.gov&#x27;})&quot;&gt;images&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1038/ng.2471&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="23202129">Birsoy et al. (2013)</a> identified the SLC16A1 gene product, MCT1, as the main determinant of 3-BrPA sensitivity. MCT1 is necessary and sufficient for 3-BrPA uptake by cancer cells. Breast cancer cell lines with high amounts of MCT1 protein were sensitive to 3-BrPA, whereas those with low or no MCT1 concentration were resistant to even high concentrations of 3-BrPA. SLC16A1 mRNA levels were most elevated in glycolytic cancer cells. Forced MCT1 expression in 3-BrPA-resistant cancer cells sensitized tumor xenografts to 3-BrPA treatment in vivo. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=23202129" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})"><span class="glyphicon glyphicon-plus-sign mim-tip-hint" title="Click this 'reference-plus' icon to see articles related to this paragraph in PubMed."></span></a></p><p>Using RNA sequencing to characterize the transcriptional program of phagocytes actively engulfing apoptotic cells, <a href="#11" class="mim-tip-reference" title="Morioka, S., Perry, J. S. A., Raymond, M. H., Medina, C. B., Zhu, Y., Zhao, L., Serbulea, V., Onengut-Gumuscu, S., Leitinger, N., Kucenas, S., Rathmell, J. C., Makowski, L., Ravichandran, K. S. &lt;strong&gt;Efferocytosis induces a novel SLC program to promote glucose uptake and lactate release.&lt;/strong&gt; Nature 563: 714-718, 2018.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/30464343/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;30464343&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1038/s41586-018-0735-5&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="30464343">Morioka et al. (2018)</a> identified a genetic signature involving 33 members of the solute carrier family of membrane transport proteins, in which expression is specifically modulated during efferocytosis, but not during antibody-mediated phagocytosis. <a href="#11" class="mim-tip-reference" title="Morioka, S., Perry, J. S. A., Raymond, M. H., Medina, C. B., Zhu, Y., Zhao, L., Serbulea, V., Onengut-Gumuscu, S., Leitinger, N., Kucenas, S., Rathmell, J. C., Makowski, L., Ravichandran, K. S. &lt;strong&gt;Efferocytosis induces a novel SLC program to promote glucose uptake and lactate release.&lt;/strong&gt; Nature 563: 714-718, 2018.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/30464343/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;30464343&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1038/s41586-018-0735-5&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="30464343">Morioka et al. (2018)</a> assessed the functional relevance of these solute carriers in efferocytic phagocytes and observed a robust induction of an aerobic glycolysis program, initiated by SLC2A1 (<a href="/entry/138140">138140</a>)-mediated glucose uptake, with concurrent suppression of the oxidative phosphorylation program. The different steps of phagocytosis, 'smell' (find-me signals or sensing factors released by apoptotic cells), 'taste' (phagocyte-apoptotic cell contact), and 'ingestion' (corpse internalization), activated distinct and overlapping sets of genes, including several SLC genes, to promote glycolysis. SLC16A1 was upregulated after corpse uptake, increasing the release of lactate, a natural by-product of aerobic glycolysis. Whereas glycolysis within phagocytes contributed to actin polymerization and the continued uptake of corpses, lactate released via SLC16A1 promoted the establishment of an antiinflammatory tissue environment. <a href="#11" class="mim-tip-reference" title="Morioka, S., Perry, J. S. A., Raymond, M. H., Medina, C. B., Zhu, Y., Zhao, L., Serbulea, V., Onengut-Gumuscu, S., Leitinger, N., Kucenas, S., Rathmell, J. C., Makowski, L., Ravichandran, K. S. &lt;strong&gt;Efferocytosis induces a novel SLC program to promote glucose uptake and lactate release.&lt;/strong&gt; Nature 563: 714-718, 2018.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/30464343/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;30464343&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1038/s41586-018-0735-5&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="30464343">Morioka et al. (2018)</a> concluded that their data revealed an SLC program that is activated during efferocytosis, identified a reliance on aerobic glycolysis during apoptotic cell uptake, and showed that glycolytic by-products of efferocytosis can influence surrounding cells. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=30464343" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})"><span class="glyphicon glyphicon-plus-sign mim-tip-hint" title="Click this 'reference-plus' icon to see articles related to this paragraph in PubMed."></span></a></p><p><a href="#16" class="mim-tip-reference" title="Tasdogan, A., Faubert, B., Ramesh, V., Ubellacker, J. M., Shen, B., Solmonson, A., Murphy, M. M., Gu, Z., Gu, W., Martin, M., Kasitinon, S. Y., Vandergriff, T., Mathews, T. P., Zhao, Z., Schadendorf, D., DeBerardinis, R. J., Morrison, S. J. &lt;strong&gt;Metabolic heterogeneity confers differences in melanoma metastatic potential.&lt;/strong&gt; Nature 577: 115-120, 2020.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/31853067/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;31853067&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1038/s41586-019-1847-2&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="31853067">Tasdogan et al. (2020)</a> demonstrated that metabolic differences among melanoma cells confer differences in metastatic potential as a result of differences in the function of the MCT1 transporter. In vivo isotope tracing analysis in patient-derived xenografts revealed differences in nutrient handling between efficiently and inefficiently metastasizing melanomas, with circulating lactate being a more prominent source of tumor lactate in efficient metastasizers. Efficient metastasizers had higher levels of MCT1, and inhibition of MCT1 reduced lactate uptake. MCT1 inhibition had little effect on the growth of primary subcutaneous tumors, but resulted in depletion of circulating melanoma cells and reduced the metastatic disease burden in patient-derived xenografts and in mouse melanomas. In addition, inhibition of MCT1 suppressed the oxidative pentose phosphate pathway and increased levels of reactive oxygen species. Antioxidants blocked the effects of MCT1 inhibition on metastasis. MCT1-high and MCT1-null/low cells from the same melanomas had similar capacities to form subcutaneous tumors, but MCT1-high cells formed more metastases after intravenous injection. <a href="#16" class="mim-tip-reference" title="Tasdogan, A., Faubert, B., Ramesh, V., Ubellacker, J. M., Shen, B., Solmonson, A., Murphy, M. M., Gu, Z., Gu, W., Martin, M., Kasitinon, S. Y., Vandergriff, T., Mathews, T. P., Zhao, Z., Schadendorf, D., DeBerardinis, R. J., Morrison, S. J. &lt;strong&gt;Metabolic heterogeneity confers differences in melanoma metastatic potential.&lt;/strong&gt; Nature 577: 115-120, 2020.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/31853067/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;31853067&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1038/s41586-019-1847-2&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="31853067">Tasdogan et al. (2020)</a> concluded that metabolic differences among cancer cells thus confer differences in metastatic potential as metastasizing cells depend on MCT1 to manage oxidative stress. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=31853067" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})"><span class="glyphicon glyphicon-plus-sign mim-tip-hint" title="Click this 'reference-plus' icon to see articles related to this paragraph in PubMed."></span></a></p>
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<a id="molecularGenetics" class="mim-anchor"></a>
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<strong>Molecular Genetics</strong>
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<p><strong><em>Erythrocyte Lactate Transporter Defect</em></strong></p><p>
In a patient with erythrocyte lactate transporter defect (<a href="/entry/245340">245340</a>) originally reported by <a href="#3" class="mim-tip-reference" title="Fishbein, W. N. &lt;strong&gt;Lactate transporter defect: a new disease of muscle.&lt;/strong&gt; Science 234: 1254-1256, 1986.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/3775384/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;3775384&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1126/science.3775384&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="3775384">Fishbein (1986)</a>, <a href="#10" class="mim-tip-reference" title="Merezhinskaya, N., Fishbein, W. N., Davis, J. I., Foellmer, J. W. &lt;strong&gt;Mutations in MCT1 cDNA in patients with symptomatic deficiency in lactate transport.&lt;/strong&gt; Muscle Nerve 23: 90-97, 2000.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/10590411/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;10590411&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1002/(sici)1097-4598(200001)23:1&lt;90::aid-mus12&gt;3.0.co;2-m&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="10590411">Merezhinskaya et al. (2000)</a> identified a heterozygous mutation in the SLC16A1 gene (<a href="#0001">600682.0001</a>). Two additional patients were found to be heterozygous for another SLC16A1 mutation (<a href="#0002">600682.0002</a>). All 3 patients had erythrocyte lactate clearance rates that were 40 to 50% of normal control values. The authors suggested that homozygous individuals would be more severely compromised. <a href="https://pubmed.ncbi.nlm.nih.gov/?term=10590411+3775384" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})"><span class="glyphicon glyphicon-plus-sign mim-tip-hint" title="Click this 'reference-plus' icon to see articles related to this paragraph in PubMed."></span></a></p><p><strong><em>Hyperinsulinemic Hypoglycemia 7</em></strong></p><p>
In affected members of 2 Finnish families, previously examined by <a href="#13" class="mim-tip-reference" title="Otonkoski, T., Kaminen, N., Ustinov, J., Lapatto, R., Meissner, T., Mayatepek, E., Kere, J., Sipila, I. &lt;strong&gt;Physical exercise-induced hyperinsulinemic hypoglycemia is an autosomal-dominant trait characterized by abnormal pyruvate-induced insulin release.&lt;/strong&gt; Diabetes 52: 199-204, 2003.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/12502513/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;12502513&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.2337/diabetes.52.1.199&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="12502513">Otonkoski et al. (2003)</a> and segregating autosomal dominant exercise-induced hyperinsulinemic hypoglycemia (<a href="/entry/610021">610021</a>) mapping to chromosome 1p, <a href="#12" class="mim-tip-reference" title="Otonkoski, T., Jiao, H., Kaminen-Ahola, N., Tapia-Paez, I., Ullah, M. S., Parton, L. E., Schuit, F., Quintens, R., Sipila, I., Mayatepek, E., Meissner, T., Halestrap, A. P., Rutter, G. A., Kere, J. &lt;strong&gt;Physical exercise-induced hypoglycemia caused by failed silencing of monocarboxylate transporter 1 in pancreatic beta cells.&lt;/strong&gt; Am. J. Hum. Genet. 81: 467-474, 2007.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/17701893/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;17701893&lt;/a&gt;, &lt;a href=&quot;https://www.ncbi.nlm.nih.gov/pmc/?term=17701893[PMID]&amp;report=imagesdocsum&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed Image&#x27;, &#x27;domain&#x27;: &#x27;ncbi.nlm.nih.gov&#x27;})&quot;&gt;images&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1086/520960&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="17701893">Otonkoski et al. (2007)</a> identified a 163G-A transition (<a href="#0003">600682.0003</a>) in the noncoding exon 1 and a 25-bp duplication (<a href="#0004">600682.0004</a>), in the promoter region of the SLC16A1 gene, respectively. In a German proband previously reported by <a href="#9" class="mim-tip-reference" title="Meissner, T., Otonkoski, T., Feneberg, R., Beinbrech, B., Apostolidou, S., Sipila, I., Schaefer, F., Mayatepek, E. &lt;strong&gt;Exercise induced hypoglycaemic hyperinsulinism.&lt;/strong&gt; Arch. Dis. Child. 84: 254-257, 2001.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/11207177/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;11207177&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1136/adc.84.3.254&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="11207177">Meissner et al. (2001)</a>, they identified several sequence variants, including a 2-bp insertion. All 3 mutations were located within the binding sites of several transcription factors; patient fibroblasts displayed abnormally high SLC16A1 transcript levels, although monocarboxylate transport activities were not changed in those cells, reflecting additional posttranscriptional control of MCT1 levels in extrapancreatic tissues. In contrast, functional studies in beta cells demonstrated that these mutations resulted in increased protein binding to the corresponding promoter elements and a marked (3- to 10-fold) increase in transcription. Thus, promoter-activating mutations in patients with hyperinsulinemic hypoglycemia induce SLC16A1 expression in beta cells, where this gene is not usually transcribed, permitting pyruvate uptake and pyruvate-stimulated insulin release despite ensuing hypoglycemia. <a href="#12" class="mim-tip-reference" title="Otonkoski, T., Jiao, H., Kaminen-Ahola, N., Tapia-Paez, I., Ullah, M. S., Parton, L. E., Schuit, F., Quintens, R., Sipila, I., Mayatepek, E., Meissner, T., Halestrap, A. P., Rutter, G. A., Kere, J. &lt;strong&gt;Physical exercise-induced hypoglycemia caused by failed silencing of monocarboxylate transporter 1 in pancreatic beta cells.&lt;/strong&gt; Am. J. Hum. Genet. 81: 467-474, 2007.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/17701893/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;17701893&lt;/a&gt;, &lt;a href=&quot;https://www.ncbi.nlm.nih.gov/pmc/?term=17701893[PMID]&amp;report=imagesdocsum&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed Image&#x27;, &#x27;domain&#x27;: &#x27;ncbi.nlm.nih.gov&#x27;})&quot;&gt;images&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1086/520960&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="17701893">Otonkoski et al. (2007)</a> stated that this represented a novel disease mechanism based on the failure of cell-specific transcriptional silencing of a gene that is highly expressed in other tissues. <a href="https://pubmed.ncbi.nlm.nih.gov/?term=12502513+11207177+17701893" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})"><span class="glyphicon glyphicon-plus-sign mim-tip-hint" title="Click this 'reference-plus' icon to see articles related to this paragraph in PubMed."></span></a></p><p><a href="#14" class="mim-tip-reference" title="Quintens, R., Hendrickx, N., Lemaire, K., Schuit, F. &lt;strong&gt;Why expression of some genes is disallowed in beta-cells.&lt;/strong&gt; Biochem. Soc. Trans. 36: 300-305, 2008.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/18481946/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;18481946&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1042/BST0360300&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="18481946">Quintens et al. (2008)</a> noted that repression of certain ubiquitously expressed housekeeping genes is necessary in pancreatic beta cells, in order to prevent the insulin toxicity that might result from exocytosis under conditions when circulating insulin is unwanted, citing low-K(m) hexokinases (see HK1, <a href="/entry/142600">142600</a>) and monocarboxylic acid transporters (MCTs) as examples. The absence of MCTs in beta cells explains the so-called 'pyruvate paradox' whereby pyruvate, despite being an excellent substrate for mitochondrial ATP production, does not stimulate insulin release when added to beta cells. The importance of this disallowance is exemplified by patients who have gain-of-function MCT1 promoter mutations and loss of the pyruvate paradox, with resultant exercise-induced inappropriate insulin release. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=18481946" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})"><span class="glyphicon glyphicon-plus-sign mim-tip-hint" title="Click this 'reference-plus' icon to see articles related to this paragraph in PubMed."></span></a></p><p>Using immunohistochemistry in mouse testis, <a href="#8" class="mim-tip-reference" title="Mannowetz, N., Wandernoth, P., Wennemuth, G. &lt;strong&gt;Basigin interacts with both MCT1 and MCT2 in murine spermatozoa.&lt;/strong&gt; J. Cell. Physiol. 227: 2154-2162, 2012.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/21792931/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;21792931&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1002/jcp.22949&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="21792931">Mannowetz et al. (2012)</a> showed that Bsg (<a href="/entry/109480">109480</a>) was expressed in elongating spermatid cytoplasm and sperm tails, whereas Emb (<a href="/entry/615669">615669</a>) localized in sperm tails only. Mct1 was detectable in spermatozoa tails and plasma membranes of both spermatocytes and spermatids, whereas Mct2 (<a href="/entry/603654">603654</a>) was present in sperm tails and cytoplasm of Sertoli cells. The distribution of Bsg, Emb, Mct1, and Mct2 differed in epididymis and epididymal sperm. Bsg colocalized with Mct1 and Mct2 in spermatozoa, but Emb did not colocalize and was detected in the principal piece and the acrosome. Immunoblot analysis showed that in epididymal sperm, Bsg was expressed as a 51-kD protein, Emb as a 40-kD protein, Mct1 as a 40- to 48-kD protein, and Mct2 as a 40-kD protein. Mct1 and Mct2 coimmunoprecipitated with Bsg, but not Emb, in cauda sperm preparations. Functional analysis showed that Mct1 and Mct2 were active and provided the cells with L-lactate. <a href="#8" class="mim-tip-reference" title="Mannowetz, N., Wandernoth, P., Wennemuth, G. &lt;strong&gt;Basigin interacts with both MCT1 and MCT2 in murine spermatozoa.&lt;/strong&gt; J. Cell. Physiol. 227: 2154-2162, 2012.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/21792931/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;21792931&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1002/jcp.22949&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="21792931">Mannowetz et al. (2012)</a> proposed that BSG interacts with MCT1 and MCT2 to locate them properly in the membrane of spermatogenic cells and that this may enable sperm to use lactate as an energy substrate. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=21792931" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})"><span class="glyphicon glyphicon-plus-sign mim-tip-hint" title="Click this 'reference-plus' icon to see articles related to this paragraph in PubMed."></span></a></p><p><strong><em>Monocarboxylate Transporter 1 Deficiency</em></strong></p><p>
In 9 patients with monocarboxylate transporter-1 deficiency (MCT1D; <a href="/entry/616095">616095</a>) manifest as severe ketoacidosis, <a href="#17" class="mim-tip-reference" title="van Hasselt, P. M., Ferdinandusse, S., Monroe, G. R., Ruiter, J. P. N., Turkenburg, M., Geerlings, M. J., Duran, K., Harakalova, M., van der Zwaag, B., Monavari, A. A., Okur, I., Sharrard, M. J., and 11 others. &lt;strong&gt;Monocarboxylate transporter 1 deficiency and ketone utilization.&lt;/strong&gt; New Eng. J. Med. 371: 1900-1907, 2014.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/25390740/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;25390740&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1056/NEJMoa1407778&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="25390740">Van Hasselt et al. (2014)</a> identified 8 mutations (7 frameshift or termination mutations and 1 missense mutation affecting the catalytic site) in the MCT1 gene. Three patients had homozygous mutations, and 6 had heterozygous mutations. Eight patients with MCT1 mutations were identified from a cohort of 96 patients with recurrent ketoacidosis in whom known ketolytic defects had been ruled out enzymatically. The initial patient underwent whole-exome sequencing, which identified the homozygous MCT1 mutation; the patients in the cohort were screened by Sanger sequencing of MCT1, MCT2 (SLC16A7; <a href="/entry/603654">603654</a>), MCT3 (SLC16A8; <a href="/entry/610409">610409</a>), and MCT4 (SLC16A3; <a href="/entry/603877">603877</a>), as well as BSG (<a href="/entry/109480">109480</a>), which interacts with MCT1. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=25390740" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})"><span class="glyphicon glyphicon-plus-sign mim-tip-hint" title="Click this 'reference-plus' icon to see articles related to this paragraph in PubMed."></span></a></p>
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<strong>ALLELIC VARIANTS (<a href="/help/faq#1_4"></strong>
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<strong>12 Selected Examples</a>):</strong>
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<a href="/allelicVariants/600682" class="btn btn-default" role="button"> Table View </a>
&nbsp;&nbsp;<a href="https://www.ncbi.nlm.nih.gov/clinvar?term=600682[MIM]" class="btn btn-default mim-tip-hint" role="button" title="ClinVar aggregates information about sequence variation and its relationship to human health." target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'ClinVar', 'domain': 'ncbi.nlm.nih.gov'})">ClinVar</a>
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<strong>.0001&nbsp;ERYTHROCYTE LACTATE TRANSPORTER DEFECT</strong>
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SLC16A1, LYS204GLU
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<div class="btn-group"> <button type="button" class="btn btn-default btn-xs dropdown-toggle mim-font" data-toggle="dropdown"><span class="text-primary">&#x25cf;</span> rs80358222 <span class="caret"></span></button> <ul class="dropdown-menu"> <li><a href="https://www.ensembl.org/Homo_sapiens/Variation/Summary?v=rs80358222;toggle_HGVS_names=open" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'dbSNP', 'domain': 'ensembl.org'})">Ensembl</a></li> <li><a href="https://gnomad.broadinstitute.org/variant/rs80358222?dataset=gnomad_r2_1" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'dbSNP', 'domain': 'gnomad.broadinstitute.org'})" style="padding-left: 8px;"><span class="text-primary">&#x25cf;</span> gnomAD</a></li> <li><a href="https://www.ncbi.nlm.nih.gov/snp/?term=rs80358222" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'dbSNP', 'domain': 'www.ncbi.nlm.nih.gov'})">NCBI</a></li> <li><a href="https://genome.ucsc.edu/cgi-bin/hgTracks?org=Human&db=hg38&clinvar=pack&omimAvSnp=pack&position=rs80358222" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'dbSNP', 'domain': 'genome.ucsc.edu'})">UCSC</a></li> </ul> </div>
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<a href="https://www.ncbi.nlm.nih.gov/clinvar?term=RCV000009469 OR RCV002512941" target="_blank" class="btn btn-default btn-xs mim-tip-hint" title="RCV000009469, RCV002512941" onclick="gtag('event', 'mim_outbound', {'name': 'ClinVar', 'domain': 'ncbi.nlm.nih.gov'})">RCV000009469...</a>
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<p>In a patient with erythrocyte lactate transporter defect (<a href="/entry/245340">245340</a>) originally reported by <a href="#3" class="mim-tip-reference" title="Fishbein, W. N. &lt;strong&gt;Lactate transporter defect: a new disease of muscle.&lt;/strong&gt; Science 234: 1254-1256, 1986.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/3775384/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;3775384&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1126/science.3775384&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="3775384">Fishbein (1986)</a>, <a href="#10" class="mim-tip-reference" title="Merezhinskaya, N., Fishbein, W. N., Davis, J. I., Foellmer, J. W. &lt;strong&gt;Mutations in MCT1 cDNA in patients with symptomatic deficiency in lactate transport.&lt;/strong&gt; Muscle Nerve 23: 90-97, 2000.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/10590411/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;10590411&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1002/(sici)1097-4598(200001)23:1&lt;90::aid-mus12&gt;3.0.co;2-m&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="10590411">Merezhinskaya et al. (2000)</a> identified a heterozygous 610A-G transition in the SLC16A1 gene, resulting in a lys204-to-glu (K204E) substitution in a highly conserved residue. The substitution occurs in the early part of the large central cytoplasmic loop between transmembrane segments 6 and 7. The substitution was not identified in 90 healthy control individuals. Erythrocyte lactate clearance was 40 to 50% that of normal control values. <a href="https://pubmed.ncbi.nlm.nih.gov/?term=10590411+3775384" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})"><span class="glyphicon glyphicon-plus-sign mim-tip-hint" title="Click this 'reference-plus' icon to see articles related to this paragraph in PubMed."></span></a></p>
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<strong>.0002&nbsp;ERYTHROCYTE LACTATE TRANSPORTER DEFECT</strong>
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SLC16A1, GLY472ARG
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<div class="btn-group"> <button type="button" class="btn btn-default btn-xs dropdown-toggle mim-font" data-toggle="dropdown"><span class="text-primary">&#x25cf;</span> rs72552271 <span class="caret"></span></button> <ul class="dropdown-menu"> <li><a href="https://www.ensembl.org/Homo_sapiens/Variation/Summary?v=rs72552271;toggle_HGVS_names=open" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'dbSNP', 'domain': 'ensembl.org'})">Ensembl</a></li> <li><a href="https://gnomad.broadinstitute.org/variant/rs72552271?dataset=gnomad_r2_1" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'dbSNP', 'domain': 'gnomad.broadinstitute.org'})" style="padding-left: 8px;"><span class="text-primary">&#x25cf;</span> gnomAD</a></li> <li><a href="https://www.ncbi.nlm.nih.gov/snp/?term=rs72552271" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'dbSNP', 'domain': 'www.ncbi.nlm.nih.gov'})">NCBI</a></li> <li><a href="https://genome.ucsc.edu/cgi-bin/hgTracks?org=Human&db=hg38&clinvar=pack&omimAvSnp=pack&position=rs72552271" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'dbSNP', 'domain': 'genome.ucsc.edu'})">UCSC</a></li> </ul> </div>
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<a href="https://www.ncbi.nlm.nih.gov/clinvar?term=RCV000009470 OR RCV000193787 OR RCV002054429" target="_blank" class="btn btn-default btn-xs mim-tip-hint" title="RCV000009470, RCV000193787, RCV002054429" onclick="gtag('event', 'mim_outbound', {'name': 'ClinVar', 'domain': 'ncbi.nlm.nih.gov'})">RCV000009470...</a>
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<p>In 2 unrelated male patients with erythrocyte lactate transporter defect (<a href="/entry/245340">245340</a>), <a href="#10" class="mim-tip-reference" title="Merezhinskaya, N., Fishbein, W. N., Davis, J. I., Foellmer, J. W. &lt;strong&gt;Mutations in MCT1 cDNA in patients with symptomatic deficiency in lactate transport.&lt;/strong&gt; Muscle Nerve 23: 90-97, 2000.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/10590411/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;10590411&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1002/(sici)1097-4598(200001)23:1&lt;90::aid-mus12&gt;3.0.co;2-m&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="10590411">Merezhinskaya et al. (2000)</a> identified a heterozygous 1414G-A transition in the SLC16A1 gene, resulting in a gly472-to-arg (G472R) substitution halfway along the cytoplasmic C-terminal chain. The substitution is not conserved, but was not identified in 90 healthy control individuals. Erythrocyte lactate clearance was 40 to 50% that of normal control values. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=10590411" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})"><span class="glyphicon glyphicon-plus-sign mim-tip-hint" title="Click this 'reference-plus' icon to see articles related to this paragraph in PubMed."></span></a></p>
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<strong>.0003&nbsp;HYPERINSULINEMIC HYPOGLYCEMIA, FAMILIAL, 7</strong>
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SLC16A1, 163G-A, 5-PRIME UTR
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<div class="btn-group"> <button type="button" class="btn btn-default btn-xs dropdown-toggle mim-font" data-toggle="dropdown">rs387906403 <span class="caret"></span></button> <ul class="dropdown-menu"> <li><a href="https://www.ensembl.org/Homo_sapiens/Variation/Summary?v=rs387906403;toggle_HGVS_names=open" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'dbSNP', 'domain': 'ensembl.org'})">Ensembl</a></li> <li><a href="https://www.ncbi.nlm.nih.gov/snp/?term=rs387906403" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'dbSNP', 'domain': 'www.ncbi.nlm.nih.gov'})">NCBI</a></li> <li><a href="https://genome.ucsc.edu/cgi-bin/hgTracks?org=Human&db=hg38&clinvar=pack&omimAvSnp=pack&position=rs387906403" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'dbSNP', 'domain': 'genome.ucsc.edu'})">UCSC</a></li> </ul> </div>
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<a href="https://www.ncbi.nlm.nih.gov/clinvar?term=RCV000009471" target="_blank" class="btn btn-default btn-xs mim-tip-hint" title="RCV000009471" onclick="gtag('event', 'mim_outbound', {'name': 'ClinVar', 'domain': 'ncbi.nlm.nih.gov'})">RCV000009471</a>
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<p>In affected members of a Finnish family segregating autosomal dominant exercise-induced hyperinsulinemic hypoglycemia (<a href="/entry/610021">610021</a>), including the female patient originally reported by <a href="#9" class="mim-tip-reference" title="Meissner, T., Otonkoski, T., Feneberg, R., Beinbrech, B., Apostolidou, S., Sipila, I., Schaefer, F., Mayatepek, E. &lt;strong&gt;Exercise induced hypoglycaemic hyperinsulinism.&lt;/strong&gt; Arch. Dis. Child. 84: 254-257, 2001.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/11207177/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;11207177&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1136/adc.84.3.254&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="11207177">Meissner et al. (2001)</a>, <a href="#12" class="mim-tip-reference" title="Otonkoski, T., Jiao, H., Kaminen-Ahola, N., Tapia-Paez, I., Ullah, M. S., Parton, L. E., Schuit, F., Quintens, R., Sipila, I., Mayatepek, E., Meissner, T., Halestrap, A. P., Rutter, G. A., Kere, J. &lt;strong&gt;Physical exercise-induced hypoglycemia caused by failed silencing of monocarboxylate transporter 1 in pancreatic beta cells.&lt;/strong&gt; Am. J. Hum. Genet. 81: 467-474, 2007.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/17701893/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;17701893&lt;/a&gt;, &lt;a href=&quot;https://www.ncbi.nlm.nih.gov/pmc/?term=17701893[PMID]&amp;report=imagesdocsum&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed Image&#x27;, &#x27;domain&#x27;: &#x27;ncbi.nlm.nih.gov&#x27;})&quot;&gt;images&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1086/520960&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="17701893">Otonkoski et al. (2007)</a> identified heterozygosity for a 163G-A transition in exon 1 of the SLC16A1 gene, located within a binding site for nuclear matrix protein-1 (RAD21; <a href="/entry/606462">606462</a>) and predicted to disrupt the binding sites of 2 potential transcriptional repressors. The mutation was not found in 92 Finnish and German controls. Functional studies in beta cells demonstrated increased protein binding to the corresponding promoter elements, resulting in a 3-fold increase in transcription. <a href="https://pubmed.ncbi.nlm.nih.gov/?term=11207177+17701893" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})"><span class="glyphicon glyphicon-plus-sign mim-tip-hint" title="Click this 'reference-plus' icon to see articles related to this paragraph in PubMed."></span></a></p>
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<strong>.0004&nbsp;HYPERINSULINEMIC HYPOGLYCEMIA, FAMILIAL, 7</strong>
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SLC16A1, 25-BP INS, NT24
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<div class="btn-group"> <button type="button" class="btn btn-default btn-xs dropdown-toggle mim-font" data-toggle="dropdown">rs606231172 <span class="caret"></span></button> <ul class="dropdown-menu"> <li><a href="https://www.ensembl.org/Homo_sapiens/Variation/Summary?v=rs606231172;toggle_HGVS_names=open" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'dbSNP', 'domain': 'ensembl.org'})">Ensembl</a></li> <li><a href="https://www.ncbi.nlm.nih.gov/snp/?term=rs606231172" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'dbSNP', 'domain': 'www.ncbi.nlm.nih.gov'})">NCBI</a></li> <li><a href="https://genome.ucsc.edu/cgi-bin/hgTracks?org=Human&db=hg38&clinvar=pack&omimAvSnp=pack&position=rs606231172" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'dbSNP', 'domain': 'genome.ucsc.edu'})">UCSC</a></li> </ul> </div>
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<a href="https://www.ncbi.nlm.nih.gov/clinvar?term=RCV000009472" target="_blank" class="btn btn-default btn-xs mim-tip-hint" title="RCV000009472" onclick="gtag('event', 'mim_outbound', {'name': 'ClinVar', 'domain': 'ncbi.nlm.nih.gov'})">RCV000009472</a>
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<p>In affected members of a Finnish family segregating autosomal dominant exercise-induced hyperinsulinemic hypoglycemia (<a href="/entry/610021">610021</a>), <a href="#12" class="mim-tip-reference" title="Otonkoski, T., Jiao, H., Kaminen-Ahola, N., Tapia-Paez, I., Ullah, M. S., Parton, L. E., Schuit, F., Quintens, R., Sipila, I., Mayatepek, E., Meissner, T., Halestrap, A. P., Rutter, G. A., Kere, J. &lt;strong&gt;Physical exercise-induced hypoglycemia caused by failed silencing of monocarboxylate transporter 1 in pancreatic beta cells.&lt;/strong&gt; Am. J. Hum. Genet. 81: 467-474, 2007.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/17701893/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;17701893&lt;/a&gt;, &lt;a href=&quot;https://www.ncbi.nlm.nih.gov/pmc/?term=17701893[PMID]&amp;report=imagesdocsum&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed Image&#x27;, &#x27;domain&#x27;: &#x27;ncbi.nlm.nih.gov&#x27;})&quot;&gt;images&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1086/520960&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="17701893">Otonkoski et al. (2007)</a> identified heterozygosity for a 25-bp insertion at nucleotide -24 of the SLC16A1 gene, introducing additional binding sites for the ubiquitous transcription factors SP1 (<a href="/entry/189906">189906</a>), USF (see <a href="/entry/191523">191523</a>), and MXF1 (<a href="/entry/194550">194550</a>). The mutation was not found in 92 Finnish and German controls. Functional studies in beta cells demonstrated increased protein binding to the corresponding promoter elements, resulting in a 10-fold increase in transcription. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=17701893" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})"><span class="glyphicon glyphicon-plus-sign mim-tip-hint" title="Click this 'reference-plus' icon to see articles related to this paragraph in PubMed."></span></a></p>
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<strong>.0005&nbsp;MONOCARBOXYLATE TRANSPORTER 1 DEFICIENCY, AUTOSOMAL RECESSIVE</strong>
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SLC16A1, 1-BP INS, 41C
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<div class="btn-group"> <button type="button" class="btn btn-default btn-xs dropdown-toggle mim-font" data-toggle="dropdown"><span class="text-primary">&#x25cf;</span> rs606231309 <span class="caret"></span></button> <ul class="dropdown-menu"> <li><a href="https://www.ensembl.org/Homo_sapiens/Variation/Summary?v=rs606231309;toggle_HGVS_names=open" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'dbSNP', 'domain': 'ensembl.org'})">Ensembl</a></li> <li><a href="https://gnomad.broadinstitute.org/variant/rs606231309?dataset=gnomad_r2_1" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'dbSNP', 'domain': 'gnomad.broadinstitute.org'})" style="padding-left: 8px;"><span class="text-primary">&#x25cf;</span> gnomAD</a></li> <li><a href="https://www.ncbi.nlm.nih.gov/snp/?term=rs606231309" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'dbSNP', 'domain': 'www.ncbi.nlm.nih.gov'})">NCBI</a></li> <li><a href="https://genome.ucsc.edu/cgi-bin/hgTracks?org=Human&db=hg38&clinvar=pack&omimAvSnp=pack&position=rs606231309" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'dbSNP', 'domain': 'genome.ucsc.edu'})">UCSC</a></li> </ul> </div>
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<a href="https://www.ncbi.nlm.nih.gov/clinvar?term=RCV000148036 OR RCV001262832 OR RCV003556193" target="_blank" class="btn btn-default btn-xs mim-tip-hint" title="RCV000148036, RCV001262832, RCV003556193" onclick="gtag('event', 'mim_outbound', {'name': 'ClinVar', 'domain': 'ncbi.nlm.nih.gov'})">RCV000148036...</a>
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<p>In an 8-year-old girl, born to consanguineous Syrian parents, who presented at 3.5 months of age with severe ketoacidosis indicative of monocarboxylate transporter-1 deficiency (MCT1D; <a href="/entry/616095">616095</a>), <a href="#17" class="mim-tip-reference" title="van Hasselt, P. M., Ferdinandusse, S., Monroe, G. R., Ruiter, J. P. N., Turkenburg, M., Geerlings, M. J., Duran, K., Harakalova, M., van der Zwaag, B., Monavari, A. A., Okur, I., Sharrard, M. J., and 11 others. &lt;strong&gt;Monocarboxylate transporter 1 deficiency and ketone utilization.&lt;/strong&gt; New Eng. J. Med. 371: 1900-1907, 2014.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/25390740/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;25390740&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1056/NEJMoa1407778&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="25390740">van Hasselt et al. (2014)</a> identified a homozygous single-nucleotide insertion in the MCT1 gene (c.41dupC) that resulted in a frameshift at asp15 (Asp15fs). Both healthy parents were heterozygous for the mutation. The child had 5 episodes of profound ketosis. She had microcephaly and developed moderate intellectual disability. Cardiac ultrasound revealed atrial septal defect as well as hypoplastic left pulmonary artery. The mutation was not identified in the 1000 Genomes Project or Exome Variant Server databases. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=25390740" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})"><span class="glyphicon glyphicon-plus-sign mim-tip-hint" title="Click this 'reference-plus' icon to see articles related to this paragraph in PubMed."></span></a></p>
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<strong>.0006&nbsp;MONOCARBOXYLATE TRANSPORTER 1 DEFICIENCY, AUTOSOMAL RECESSIVE</strong>
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SLC16A1, ARG313TER
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<div class="btn-group"> <button type="button" class="btn btn-default btn-xs dropdown-toggle mim-font" data-toggle="dropdown"><span class="text-primary">&#x25cf;</span> rs606231299 <span class="caret"></span></button> <ul class="dropdown-menu"> <li><a href="https://www.ensembl.org/Homo_sapiens/Variation/Summary?v=rs606231299;toggle_HGVS_names=open" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'dbSNP', 'domain': 'ensembl.org'})">Ensembl</a></li> <li><a href="https://gnomad.broadinstitute.org/variant/rs606231299?dataset=gnomad_r2_1" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'dbSNP', 'domain': 'gnomad.broadinstitute.org'})" style="padding-left: 8px;"><span class="text-primary">&#x25cf;</span> gnomAD</a></li> <li><a href="https://www.ncbi.nlm.nih.gov/snp/?term=rs606231299" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'dbSNP', 'domain': 'www.ncbi.nlm.nih.gov'})">NCBI</a></li> <li><a href="https://genome.ucsc.edu/cgi-bin/hgTracks?org=Human&db=hg38&clinvar=pack&omimAvSnp=pack&position=rs606231299" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'dbSNP', 'domain': 'genome.ucsc.edu'})">UCSC</a></li> </ul> </div>
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<a href="https://www.ncbi.nlm.nih.gov/clinvar?term=RCV000145408 OR RCV002283458 OR RCV003556185" target="_blank" class="btn btn-default btn-xs mim-tip-hint" title="RCV000145408, RCV002283458, RCV003556185" onclick="gtag('event', 'mim_outbound', {'name': 'ClinVar', 'domain': 'ncbi.nlm.nih.gov'})">RCV000145408...</a>
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<p>In a 21-year-old female, born to unrelated Irish parents, who presented at 1 year of age with profound ketoacidosis (MCT1D; <a href="/entry/616095">616095</a>), <a href="#17" class="mim-tip-reference" title="van Hasselt, P. M., Ferdinandusse, S., Monroe, G. R., Ruiter, J. P. N., Turkenburg, M., Geerlings, M. J., Duran, K., Harakalova, M., van der Zwaag, B., Monavari, A. A., Okur, I., Sharrard, M. J., and 11 others. &lt;strong&gt;Monocarboxylate transporter 1 deficiency and ketone utilization.&lt;/strong&gt; New Eng. J. Med. 371: 1900-1907, 2014.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/25390740/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;25390740&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1056/NEJMoa1407778&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="25390740">van Hasselt et al. (2014)</a> identified a homozygous c.937C-T transition in the MCT1 gene, resulting in an arg313-to-ter (R313X) substitution. Both healthy parents were heterozygous for the mutation. The patient had had 4 ketotic events. She had moderate intellectual disability and developed epilepsy. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=25390740" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})"><span class="glyphicon glyphicon-plus-sign mim-tip-hint" title="Click this 'reference-plus' icon to see articles related to this paragraph in PubMed."></span></a></p>
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<strong>.0007&nbsp;MONOCARBOXYLATE TRANSPORTER 1 DEFICIENCY, AUTOSOMAL RECESSIVE</strong>
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SLC16A1, ARG328TER
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<div class="btn-group"> <button type="button" class="btn btn-default btn-xs dropdown-toggle mim-font" data-toggle="dropdown"><span class="text-primary">&#x25cf;</span> rs606231310 <span class="caret"></span></button> <ul class="dropdown-menu"> <li><a href="https://www.ensembl.org/Homo_sapiens/Variation/Summary?v=rs606231310;toggle_HGVS_names=open" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'dbSNP', 'domain': 'ensembl.org'})">Ensembl</a></li> <li><a href="https://gnomad.broadinstitute.org/variant/rs606231310?dataset=gnomad_r2_1" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'dbSNP', 'domain': 'gnomad.broadinstitute.org'})" style="padding-left: 8px;"><span class="text-primary">&#x25cf;</span> gnomAD</a></li> <li><a href="https://www.ncbi.nlm.nih.gov/snp/?term=rs606231310" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'dbSNP', 'domain': 'www.ncbi.nlm.nih.gov'})">NCBI</a></li> <li><a href="https://genome.ucsc.edu/cgi-bin/hgTracks?org=Human&db=hg38&clinvar=pack&omimAvSnp=pack&position=rs606231310" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'dbSNP', 'domain': 'genome.ucsc.edu'})">UCSC</a></li> </ul> </div>
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<a href="https://www.ncbi.nlm.nih.gov/clinvar?term=RCV000148037 OR RCV000986394" target="_blank" class="btn btn-default btn-xs mim-tip-hint" title="RCV000148037, RCV000986394" onclick="gtag('event', 'mim_outbound', {'name': 'ClinVar', 'domain': 'ncbi.nlm.nih.gov'})">RCV000148037...</a>
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<p>In a 9-year-old male, born to third-degree Turkish cousins, who presented at 23 months of age with profound ketoacidosis (MCT1D; <a href="/entry/616095">616095</a>), <a href="#17" class="mim-tip-reference" title="van Hasselt, P. M., Ferdinandusse, S., Monroe, G. R., Ruiter, J. P. N., Turkenburg, M., Geerlings, M. J., Duran, K., Harakalova, M., van der Zwaag, B., Monavari, A. A., Okur, I., Sharrard, M. J., and 11 others. &lt;strong&gt;Monocarboxylate transporter 1 deficiency and ketone utilization.&lt;/strong&gt; New Eng. J. Med. 371: 1900-1907, 2014.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/25390740/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;25390740&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1056/NEJMoa1407778&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="25390740">van Hasselt et al. (2014)</a> identified a homozygous c.982C-T transition in the MCT1 gene, resulting in an arg328-to-ter (R328X) substitution. Both healthy parents were heterozygous for the mutation. In addition to the single episode of profound ketoacidosis, the patient had mild intellectual disability. He was born with a cleft palate and had coughing attacks during exercise. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=25390740" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})"><span class="glyphicon glyphicon-plus-sign mim-tip-hint" title="Click this 'reference-plus' icon to see articles related to this paragraph in PubMed."></span></a></p>
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<a id="0008" class="mim-anchor"></a>
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<strong>.0008&nbsp;MONOCARBOXYLATE TRANSPORTER 1 DEFICIENCY, AUTOSOMAL DOMINANT</strong>
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SLC16A1, ARG196TER
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<div class="btn-group"> <button type="button" class="btn btn-default btn-xs dropdown-toggle mim-font" data-toggle="dropdown">rs606231300 <span class="caret"></span></button> <ul class="dropdown-menu"> <li><a href="https://www.ensembl.org/Homo_sapiens/Variation/Summary?v=rs606231300;toggle_HGVS_names=open" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'dbSNP', 'domain': 'ensembl.org'})">Ensembl</a></li> <li><a href="https://www.ncbi.nlm.nih.gov/snp/?term=rs606231300" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'dbSNP', 'domain': 'www.ncbi.nlm.nih.gov'})">NCBI</a></li> <li><a href="https://genome.ucsc.edu/cgi-bin/hgTracks?org=Human&db=hg38&clinvar=pack&omimAvSnp=pack&position=rs606231300" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'dbSNP', 'domain': 'genome.ucsc.edu'})">UCSC</a></li> </ul> </div>
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<a href="https://www.ncbi.nlm.nih.gov/clinvar?term=RCV000145410" target="_blank" class="btn btn-default btn-xs mim-tip-hint" title="RCV000145410" onclick="gtag('event', 'mim_outbound', {'name': 'ClinVar', 'domain': 'ncbi.nlm.nih.gov'})">RCV000145410</a>
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<p>In a 10-year-old boy with ketoacidosis with massive ketonuria and a history of cyclic vomiting (MCT1D; <a href="/entry/616095">616095</a>), <a href="#17" class="mim-tip-reference" title="van Hasselt, P. M., Ferdinandusse, S., Monroe, G. R., Ruiter, J. P. N., Turkenburg, M., Geerlings, M. J., Duran, K., Harakalova, M., van der Zwaag, B., Monavari, A. A., Okur, I., Sharrard, M. J., and 11 others. &lt;strong&gt;Monocarboxylate transporter 1 deficiency and ketone utilization.&lt;/strong&gt; New Eng. J. Med. 371: 1900-1907, 2014.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/25390740/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;25390740&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1056/NEJMoa1407778&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="25390740">van Hasselt et al. (2014)</a> identified a heterozygous c.586C-T transition in the MCT1 gene, resulting in an arg196-to-ter (R196X) substitution. The patient, who was born to unrelated British parents, had normal development but developed migraines. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=25390740" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})"><span class="glyphicon glyphicon-plus-sign mim-tip-hint" title="Click this 'reference-plus' icon to see articles related to this paragraph in PubMed."></span></a></p>
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<strong>.0009&nbsp;MONOCARBOXYLATE TRANSPORTER 1 DEFICIENCY, AUTOSOMAL DOMINANT</strong>
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SLC16A1, 4-BP DEL, NT747
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<div class="btn-group"> <button type="button" class="btn btn-default btn-xs dropdown-toggle mim-font" data-toggle="dropdown"><span class="text-primary">&#x25cf;</span> rs606231311 <span class="caret"></span></button> <ul class="dropdown-menu"> <li><a href="https://www.ensembl.org/Homo_sapiens/Variation/Summary?v=rs606231311;toggle_HGVS_names=open" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'dbSNP', 'domain': 'ensembl.org'})">Ensembl</a></li> <li><a href="https://gnomad.broadinstitute.org/variant/rs606231311?dataset=gnomad_r2_1" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'dbSNP', 'domain': 'gnomad.broadinstitute.org'})" style="padding-left: 8px;"><span class="text-primary">&#x25cf;</span> gnomAD</a></li> <li><a href="https://www.ncbi.nlm.nih.gov/snp/?term=rs606231311" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'dbSNP', 'domain': 'www.ncbi.nlm.nih.gov'})">NCBI</a></li> <li><a href="https://genome.ucsc.edu/cgi-bin/hgTracks?org=Human&db=hg38&clinvar=pack&omimAvSnp=pack&position=rs606231311" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'dbSNP', 'domain': 'genome.ucsc.edu'})">UCSC</a></li> </ul> </div>
<span class="mim-text-font">
<a href="https://www.ncbi.nlm.nih.gov/clinvar?term=RCV000148038 OR RCV001542540 OR RCV002291572 OR RCV003114292" target="_blank" class="btn btn-default btn-xs mim-tip-hint" title="RCV000148038, RCV001542540, RCV002291572, RCV003114292" onclick="gtag('event', 'mim_outbound', {'name': 'ClinVar', 'domain': 'ncbi.nlm.nih.gov'})">RCV000148038...</a>
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<p>In 2 sibs of British origin, born to nonconsanguineous parents, with monocarboxylate transporter-1 deficiency (MCT1D; <a href="/entry/616095">616095</a>), <a href="#17" class="mim-tip-reference" title="van Hasselt, P. M., Ferdinandusse, S., Monroe, G. R., Ruiter, J. P. N., Turkenburg, M., Geerlings, M. J., Duran, K., Harakalova, M., van der Zwaag, B., Monavari, A. A., Okur, I., Sharrard, M. J., and 11 others. &lt;strong&gt;Monocarboxylate transporter 1 deficiency and ketone utilization.&lt;/strong&gt; New Eng. J. Med. 371: 1900-1907, 2014.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/25390740/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;25390740&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1056/NEJMoa1407778&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="25390740">van Hasselt et al. (2014)</a> identified a heterozygous 4-bp deletion in the MCT1 gene (747_750del) leading to a frameshift mutation at asn250 (N250). The 20-year-old brother had had 10 ketotic events associated with massive ketonuria; his initial presentation was at 3 years 8 months of age, and his last was at 14 years. He also had migraines. Development was normal. His 22-year-old sister had her first of 5 ketotic episodes at 6 years 3 months of age and experienced ketoacidosis with massive ketonuria. She had also experienced pregnancy-related vomiting. Development was normal, and she had no other clinical features. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=25390740" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})"><span class="glyphicon glyphicon-plus-sign mim-tip-hint" title="Click this 'reference-plus' icon to see articles related to this paragraph in PubMed."></span></a></p>
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<strong>.0010&nbsp;MONOCARBOXYLATE TRANSPORTER 1 DEFICIENCY, AUTOSOMAL DOMINANT</strong>
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SLC16A1, 1-BP DEL, 499G
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<div class="btn-group"> <button type="button" class="btn btn-default btn-xs dropdown-toggle mim-font" data-toggle="dropdown"><span class="text-primary">&#x25cf;</span> rs606231301 <span class="caret"></span></button> <ul class="dropdown-menu"> <li><a href="https://www.ensembl.org/Homo_sapiens/Variation/Summary?v=rs606231301;toggle_HGVS_names=open" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'dbSNP', 'domain': 'ensembl.org'})">Ensembl</a></li> <li><a href="https://gnomad.broadinstitute.org/variant/rs606231301?dataset=gnomad_r2_1" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'dbSNP', 'domain': 'gnomad.broadinstitute.org'})" style="padding-left: 8px;"><span class="text-primary">&#x25cf;</span> gnomAD</a></li> <li><a href="https://www.ncbi.nlm.nih.gov/snp/?term=rs606231301" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'dbSNP', 'domain': 'www.ncbi.nlm.nih.gov'})">NCBI</a></li> <li><a href="https://genome.ucsc.edu/cgi-bin/hgTracks?org=Human&db=hg38&clinvar=pack&omimAvSnp=pack&position=rs606231301" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'dbSNP', 'domain': 'genome.ucsc.edu'})">UCSC</a></li> </ul> </div>
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<a href="https://www.ncbi.nlm.nih.gov/clinvar?term=RCV000145412 OR RCV003156227" target="_blank" class="btn btn-default btn-xs mim-tip-hint" title="RCV000145412, RCV003156227" onclick="gtag('event', 'mim_outbound', {'name': 'ClinVar', 'domain': 'ncbi.nlm.nih.gov'})">RCV000145412...</a>
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<p>In an 11-year-old female, born to unrelated British parents, who experienced 5 ketotic events associated with exaggerated ketotic hypoglycemia and ketoacidosis with massive ketonuria (MCT1D; <a href="/entry/616095">616095</a>), <a href="#17" class="mim-tip-reference" title="van Hasselt, P. M., Ferdinandusse, S., Monroe, G. R., Ruiter, J. P. N., Turkenburg, M., Geerlings, M. J., Duran, K., Harakalova, M., van der Zwaag, B., Monavari, A. A., Okur, I., Sharrard, M. J., and 11 others. &lt;strong&gt;Monocarboxylate transporter 1 deficiency and ketone utilization.&lt;/strong&gt; New Eng. J. Med. 371: 1900-1907, 2014.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/25390740/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;25390740&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1056/NEJMoa1407778&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="25390740">van Hasselt et al. (2014)</a> identified a heterozygous single-basepair deletion at nucleotide 499 (c.499del) resulting in frameshift at val167 (Val167fs). The patient presented at 1.5 years of age. Development was normal, and she had no other clinical features. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=25390740" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})"><span class="glyphicon glyphicon-plus-sign mim-tip-hint" title="Click this 'reference-plus' icon to see articles related to this paragraph in PubMed."></span></a></p>
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<strong>.0011&nbsp;MONOCARBOXYLATE TRANSPORTER 1 DEFICIENCY, AUTOSOMAL DOMINANT</strong>
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SLC16A1, 1-BP INS, 490C
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<div class="btn-group"> <button type="button" class="btn btn-default btn-xs dropdown-toggle mim-font" data-toggle="dropdown">rs606231312 <span class="caret"></span></button> <ul class="dropdown-menu"> <li><a href="https://www.ensembl.org/Homo_sapiens/Variation/Summary?v=rs606231312;toggle_HGVS_names=open" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'dbSNP', 'domain': 'ensembl.org'})">Ensembl</a></li> <li><a href="https://www.ncbi.nlm.nih.gov/snp/?term=rs606231312" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'dbSNP', 'domain': 'www.ncbi.nlm.nih.gov'})">NCBI</a></li> <li><a href="https://genome.ucsc.edu/cgi-bin/hgTracks?org=Human&db=hg38&clinvar=pack&omimAvSnp=pack&position=rs606231312" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'dbSNP', 'domain': 'genome.ucsc.edu'})">UCSC</a></li> </ul> </div>
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<a href="https://www.ncbi.nlm.nih.gov/clinvar?term=RCV000148039 OR RCV002284366" target="_blank" class="btn btn-default btn-xs mim-tip-hint" title="RCV000148039, RCV002284366" onclick="gtag('event', 'mim_outbound', {'name': 'ClinVar', 'domain': 'ncbi.nlm.nih.gov'})">RCV000148039...</a>
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<p>In a 10-year-old boy, born to unrelated Dutch parents, who had experienced 4 episodes of ketoacidosis with massive ketonuria (MCT1D; <a href="/entry/616095">616095</a>), <a href="#17" class="mim-tip-reference" title="van Hasselt, P. M., Ferdinandusse, S., Monroe, G. R., Ruiter, J. P. N., Turkenburg, M., Geerlings, M. J., Duran, K., Harakalova, M., van der Zwaag, B., Monavari, A. A., Okur, I., Sharrard, M. J., and 11 others. &lt;strong&gt;Monocarboxylate transporter 1 deficiency and ketone utilization.&lt;/strong&gt; New Eng. J. Med. 371: 1900-1907, 2014.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/25390740/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;25390740&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1056/NEJMoa1407778&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="25390740">van Hasselt et al. (2014)</a> identified a heterozygous single-basepair insertion (c.490dupC) in the MCT1 gene, resulting in a frameshift at leu164 (Leu164fs). The patient's first ketotic episode occurred at 3 years 2 months of age. Development was intact, and he had short stature. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=25390740" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})"><span class="glyphicon glyphicon-plus-sign mim-tip-hint" title="Click this 'reference-plus' icon to see articles related to this paragraph in PubMed."></span></a></p>
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<a id="0012" class="mim-anchor"></a>
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<strong>.0012&nbsp;MONOCARBOXYLATE TRANSPORTER 1 DEFICIENCY, AUTOSOMAL DOMINANT</strong>
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SLC16A1, ARG313GLN
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&nbsp;&nbsp;
<div class="btn-group"> <button type="button" class="btn btn-default btn-xs dropdown-toggle mim-font" data-toggle="dropdown">rs606231302 <span class="caret"></span></button> <ul class="dropdown-menu"> <li><a href="https://www.ensembl.org/Homo_sapiens/Variation/Summary?v=rs606231302;toggle_HGVS_names=open" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'dbSNP', 'domain': 'ensembl.org'})">Ensembl</a></li> <li><a href="https://www.ncbi.nlm.nih.gov/snp/?term=rs606231302" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'dbSNP', 'domain': 'www.ncbi.nlm.nih.gov'})">NCBI</a></li> <li><a href="https://genome.ucsc.edu/cgi-bin/hgTracks?org=Human&db=hg38&clinvar=pack&omimAvSnp=pack&position=rs606231302" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'dbSNP', 'domain': 'genome.ucsc.edu'})">UCSC</a></li> </ul> </div>
<span class="mim-text-font">
<a href="https://www.ncbi.nlm.nih.gov/clinvar?term=RCV000145414" target="_blank" class="btn btn-default btn-xs mim-tip-hint" title="RCV000145414" onclick="gtag('event', 'mim_outbound', {'name': 'ClinVar', 'domain': 'ncbi.nlm.nih.gov'})">RCV000145414</a>
</span>
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<span class="mim-text-font">
<p>In a 22-year-old male of Dutch ancestry who had had 5 episodes of ketoacidosis with massive ketonuria (MCT1D; <a href="/entry/616095">616095</a>), a history of cyclic vomiting, and exercise intolerance, <a href="#17" class="mim-tip-reference" title="van Hasselt, P. M., Ferdinandusse, S., Monroe, G. R., Ruiter, J. P. N., Turkenburg, M., Geerlings, M. J., Duran, K., Harakalova, M., van der Zwaag, B., Monavari, A. A., Okur, I., Sharrard, M. J., and 11 others. &lt;strong&gt;Monocarboxylate transporter 1 deficiency and ketone utilization.&lt;/strong&gt; New Eng. J. Med. 371: 1900-1907, 2014.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/25390740/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;25390740&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1056/NEJMoa1407778&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="25390740">van Hasselt et al. (2014)</a> identified heterozygosity for a c.938G-A transition in the MCT1 gene, resulting in an arg313-to-gln (R313Q) substitution. The mutation was located at the catalytic site of the enzyme. The patient presented with his first ketotic episode at 2 years 6 months of age, and his last episode occurred at 6 years 5 months of age. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=25390740" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})"><span class="glyphicon glyphicon-plus-sign mim-tip-hint" title="Click this 'reference-plus' icon to see articles related to this paragraph in PubMed."></span></a></p>
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<a id="references"class="mim-anchor"></a>
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<span id="mimReferencesToggleTriangle" class="small mimTextToggleTriangle">&#9660;</span>
<strong>REFERENCES</strong>
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<div id="mimReferencesFold" class="collapse in mimTextToggleFold">
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<a id="1" class="mim-anchor"></a>
<a id="Birsoy2013" class="mim-anchor"></a>
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Birsoy, K., Wang, T., Possemato, R., Yilmaz, O. H., Koch, C. E., Chen, W. W., Hutchins, A. W., Gultekin, Y., Peterson, T. R., Carette, J. E., Brummelkamp, T. R., Clish, C. B., Sabatini, D. M.
<strong>MCT1-mediated transport of a toxic molecule is an effective strategy for targeting glycolytic tumors.</strong>
Nature Genet. 45: 104-108, 2013.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/23202129/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">23202129</a>, <a href="https://www.ncbi.nlm.nih.gov/pmc/?term=23202129[PMID]&report=imagesdocsum" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Image', 'domain': 'ncbi.nlm.nih.gov'})">images</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=23202129" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">related citations</a>]
[<a href="https://doi.org/10.1038/ng.2471" target="_blank">Full Text</a>]
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<a id="Cuff2002" class="mim-anchor"></a>
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Cuff, M. A., Shirazi-Beechey, S. P.
<strong>The human monocarboxylate transporter, MCT1: genomic organization and promoter analysis.</strong>
Biochem. Biophys. Res. Commun. 292: 1048-1056, 2002.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/11944921/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">11944921</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=11944921" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">related citations</a>]
[<a href="https://doi.org/10.1006/bbrc.2002.6763" target="_blank">Full Text</a>]
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<a id="Fishbein1986" class="mim-anchor"></a>
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Fishbein, W. N.
<strong>Lactate transporter defect: a new disease of muscle.</strong>
Science 234: 1254-1256, 1986.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/3775384/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">3775384</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=3775384" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">related citations</a>]
[<a href="https://doi.org/10.1126/science.3775384" target="_blank">Full Text</a>]
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<a id="Garcia1994" class="mim-anchor"></a>
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Garcia, C. K., Goldstein, J. L., Pathak, R. K., Anderson, R. G. W., Brown, M. S.
<strong>Molecular characterization of a membrane transporter for lactate, pyruvate, and other monocarboxylates: implications for the Cori cycle.</strong>
Cell 76: 865-873, 1994.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/8124722/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">8124722</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=8124722" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">related citations</a>]
[<a href="https://doi.org/10.1016/0092-8674(94)90361-1" target="_blank">Full Text</a>]
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<a id="Garcia1994" class="mim-anchor"></a>
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Garcia, C. K., Li, X., Luna, J., Francke, U.
<strong>cDNA cloning of the human monocarboxylate transporter 1 and chromosomal localization of the SLC16A1 locus to 1p13.2-p12.</strong>
Genomics 23: 500-503, 1994.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/7835905/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">7835905</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=7835905" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">related citations</a>]
[<a href="https://doi.org/10.1006/geno.1994.1532" target="_blank">Full Text</a>]
</p>
</div>
</li>
<li>
<a id="6" class="mim-anchor"></a>
<a id="Kim1992" class="mim-anchor"></a>
<div class="">
<p class="mim-text-font">
Kim, C. M., Goldstein, J. L., Brown, M. S.
<strong>cDNA cloning of mev, a mutant protein that facilitates cellular uptake of mevalonate, and identification of the point mutation responsible for its gain of function.</strong>
J. Biol. Chem. 267: 23113-23121, 1992.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/1429658/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">1429658</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=1429658" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">related citations</a>]
</p>
</div>
</li>
<li>
<a id="7" class="mim-anchor"></a>
<a id="Lee2012" class="mim-anchor"></a>
<div class="">
<p class="mim-text-font">
Lee, Y., Morrison, B. M., Li, Y., Lengacher, S., Farah, M. H., Hoffman, P. N., Liu, Y., Tsingalia, A., Jin, L., Zhang, P.-W., Pellerin, L., Magistretti, P. J., Rothstein, J. D.
<strong>Oligodendroglia metabolically support axons and contribute to neurodegeneration.</strong>
Nature 487: 443-448, 2012.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/22801498/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">22801498</a>, <a href="https://www.ncbi.nlm.nih.gov/pmc/?term=22801498[PMID]&report=imagesdocsum" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Image', 'domain': 'ncbi.nlm.nih.gov'})">images</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=22801498" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">related citations</a>]
[<a href="https://doi.org/10.1038/nature11314" target="_blank">Full Text</a>]
</p>
</div>
</li>
<li>
<a id="8" class="mim-anchor"></a>
<a id="Mannowetz2012" class="mim-anchor"></a>
<div class="">
<p class="mim-text-font">
Mannowetz, N., Wandernoth, P., Wennemuth, G.
<strong>Basigin interacts with both MCT1 and MCT2 in murine spermatozoa.</strong>
J. Cell. Physiol. 227: 2154-2162, 2012.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/21792931/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">21792931</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=21792931" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">related citations</a>]
[<a href="https://doi.org/10.1002/jcp.22949" target="_blank">Full Text</a>]
</p>
</div>
</li>
<li>
<a id="9" class="mim-anchor"></a>
<a id="Meissner2001" class="mim-anchor"></a>
<div class="">
<p class="mim-text-font">
Meissner, T., Otonkoski, T., Feneberg, R., Beinbrech, B., Apostolidou, S., Sipila, I., Schaefer, F., Mayatepek, E.
<strong>Exercise induced hypoglycaemic hyperinsulinism.</strong>
Arch. Dis. Child. 84: 254-257, 2001.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/11207177/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">11207177</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=11207177" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">related citations</a>]
[<a href="https://doi.org/10.1136/adc.84.3.254" target="_blank">Full Text</a>]
</p>
</div>
</li>
<li>
<a id="10" class="mim-anchor"></a>
<a id="Merezhinskaya2000" class="mim-anchor"></a>
<div class="">
<p class="mim-text-font">
Merezhinskaya, N., Fishbein, W. N., Davis, J. I., Foellmer, J. W.
<strong>Mutations in MCT1 cDNA in patients with symptomatic deficiency in lactate transport.</strong>
Muscle Nerve 23: 90-97, 2000.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/10590411/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">10590411</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=10590411" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">related citations</a>]
[<a href="https://doi.org/10.1002/(sici)1097-4598(200001)23:1&lt;90::aid-mus12&gt;3.0.co;2-m" target="_blank">Full Text</a>]
</p>
</div>
</li>
<li>
<a id="11" class="mim-anchor"></a>
<a id="Morioka2018" class="mim-anchor"></a>
<div class="">
<p class="mim-text-font">
Morioka, S., Perry, J. S. A., Raymond, M. H., Medina, C. B., Zhu, Y., Zhao, L., Serbulea, V., Onengut-Gumuscu, S., Leitinger, N., Kucenas, S., Rathmell, J. C., Makowski, L., Ravichandran, K. S.
<strong>Efferocytosis induces a novel SLC program to promote glucose uptake and lactate release.</strong>
Nature 563: 714-718, 2018.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/30464343/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">30464343</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=30464343" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">related citations</a>]
[<a href="https://doi.org/10.1038/s41586-018-0735-5" target="_blank">Full Text</a>]
</p>
</div>
</li>
<li>
<a id="12" class="mim-anchor"></a>
<a id="Otonkoski2007" class="mim-anchor"></a>
<div class="">
<p class="mim-text-font">
Otonkoski, T., Jiao, H., Kaminen-Ahola, N., Tapia-Paez, I., Ullah, M. S., Parton, L. E., Schuit, F., Quintens, R., Sipila, I., Mayatepek, E., Meissner, T., Halestrap, A. P., Rutter, G. A., Kere, J.
<strong>Physical exercise-induced hypoglycemia caused by failed silencing of monocarboxylate transporter 1 in pancreatic beta cells.</strong>
Am. J. Hum. Genet. 81: 467-474, 2007.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/17701893/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">17701893</a>, <a href="https://www.ncbi.nlm.nih.gov/pmc/?term=17701893[PMID]&report=imagesdocsum" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Image', 'domain': 'ncbi.nlm.nih.gov'})">images</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=17701893" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">related citations</a>]
[<a href="https://doi.org/10.1086/520960" target="_blank">Full Text</a>]
</p>
</div>
</li>
<li>
<a id="13" class="mim-anchor"></a>
<a id="Otonkoski2003" class="mim-anchor"></a>
<div class="">
<p class="mim-text-font">
Otonkoski, T., Kaminen, N., Ustinov, J., Lapatto, R., Meissner, T., Mayatepek, E., Kere, J., Sipila, I.
<strong>Physical exercise-induced hyperinsulinemic hypoglycemia is an autosomal-dominant trait characterized by abnormal pyruvate-induced insulin release.</strong>
Diabetes 52: 199-204, 2003.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/12502513/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">12502513</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=12502513" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">related citations</a>]
[<a href="https://doi.org/10.2337/diabetes.52.1.199" target="_blank">Full Text</a>]
</p>
</div>
</li>
<li>
<a id="14" class="mim-anchor"></a>
<a id="Quintens2008" class="mim-anchor"></a>
<div class="">
<p class="mim-text-font">
Quintens, R., Hendrickx, N., Lemaire, K., Schuit, F.
<strong>Why expression of some genes is disallowed in beta-cells.</strong>
Biochem. Soc. Trans. 36: 300-305, 2008.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/18481946/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">18481946</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=18481946" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">related citations</a>]
[<a href="https://doi.org/10.1042/BST0360300" target="_blank">Full Text</a>]
</p>
</div>
</li>
<li>
<a id="15" class="mim-anchor"></a>
<a id="Ritzhaupt1998" class="mim-anchor"></a>
<div class="">
<p class="mim-text-font">
Ritzhaupt, A., Wood, I. S., Ellis, A., Hosie, K. B., Shirazi-Beechey, S. P.
<strong>Identification and characterization of a monocarboxylate transporter (MCI1) in pig and human colon: its potential to transport L-lactate as well as butyrate.</strong>
J. Physiol. 513: 719-732, 1998.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/9824713/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">9824713</a>, <a href="https://www.ncbi.nlm.nih.gov/pmc/?term=9824713[PMID]&report=imagesdocsum" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Image', 'domain': 'ncbi.nlm.nih.gov'})">images</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=9824713" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">related citations</a>]
[<a href="https://doi.org/10.1111/j.1469-7793.1998.719ba.x" target="_blank">Full Text</a>]
</p>
</div>
</li>
<li>
<a id="16" class="mim-anchor"></a>
<a id="Tasdogan2020" class="mim-anchor"></a>
<div class="">
<p class="mim-text-font">
Tasdogan, A., Faubert, B., Ramesh, V., Ubellacker, J. M., Shen, B., Solmonson, A., Murphy, M. M., Gu, Z., Gu, W., Martin, M., Kasitinon, S. Y., Vandergriff, T., Mathews, T. P., Zhao, Z., Schadendorf, D., DeBerardinis, R. J., Morrison, S. J.
<strong>Metabolic heterogeneity confers differences in melanoma metastatic potential.</strong>
Nature 577: 115-120, 2020.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/31853067/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">31853067</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=31853067" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">related citations</a>]
[<a href="https://doi.org/10.1038/s41586-019-1847-2" target="_blank">Full Text</a>]
</p>
</div>
</li>
<li>
<a id="17" class="mim-anchor"></a>
<a id="van Hasselt2014" class="mim-anchor"></a>
<div class="">
<p class="mim-text-font">
van Hasselt, P. M., Ferdinandusse, S., Monroe, G. R., Ruiter, J. P. N., Turkenburg, M., Geerlings, M. J., Duran, K., Harakalova, M., van der Zwaag, B., Monavari, A. A., Okur, I., Sharrard, M. J., and 11 others.
<strong>Monocarboxylate transporter 1 deficiency and ketone utilization.</strong>
New Eng. J. Med. 371: 1900-1907, 2014.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/25390740/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">25390740</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=25390740" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">related citations</a>]
[<a href="https://doi.org/10.1056/NEJMoa1407778" target="_blank">Full Text</a>]
</p>
</div>
</li>
</ol>
<div>
<br />
</div>
</div>
</div>
<div>
<a id="contributors" class="mim-anchor"></a>
<div class="row">
<div class="col-lg-2 col-md-2 col-sm-4 col-xs-4">
<span class="mim-text-font">
<a href="#mimCollapseContributors" role="button" data-toggle="collapse"> Contributors: </a>
</span>
</div>
<div class="col-lg-6 col-md-6 col-sm-6 col-xs-6">
<span class="mim-text-font">
Ada Hamosh - updated : 06/25/2020
</span>
</div>
</div>
<div class="row collapse" id="mimCollapseContributors">
<div class="col-lg-offset-2 col-md-offset-4 col-sm-offset-4 col-xs-offset-2 col-lg-6 col-md-6 col-sm-6 col-xs-6">
<span class="mim-text-font">
Ada Hamosh - updated : 02/14/2019<br>Ada Hamosh - updated : 11/19/2014<br>Paul J. Converse - updated : 3/6/2014<br>Ada Hamosh - updated : 4/11/2013<br>Ada Hamosh - updated : 9/18/2012<br>Marla J. F. O'Neill - updated : 11/6/2008<br>Patricia A. Hartz - updated : 5/5/2006<br>Cassandra L. Kniffin - updated : 5/1/2006
</span>
</div>
</div>
</div>
<div>
<a id="creationDate" class="mim-anchor"></a>
<div class="row">
<div class="col-lg-2 col-md-2 col-sm-4 col-xs-4">
<span class="text-nowrap mim-text-font">
Creation Date:
</span>
</div>
<div class="col-lg-6 col-md-6 col-sm-6 col-xs-6">
<span class="mim-text-font">
Victor A. McKusick : 8/9/1995
</span>
</div>
</div>
</div>
<div>
<a id="editHistory" class="mim-anchor"></a>
<div class="row">
<div class="col-lg-2 col-md-2 col-sm-4 col-xs-4">
<span class="text-nowrap mim-text-font">
<a href="#mimCollapseEditHistory" role="button" data-toggle="collapse"> Edit History: </a>
</span>
</div>
<div class="col-lg-6 col-md-6 col-sm-6 col-xs-6">
<span class="mim-text-font">
alopez : 06/25/2020
</span>
</div>
</div>
<div class="row collapse" id="mimCollapseEditHistory">
<div class="col-lg-offset-2 col-md-offset-2 col-sm-offset-4 col-xs-offset-4 col-lg-6 col-md-6 col-sm-6 col-xs-6">
<span class="mim-text-font">
alopez : 02/14/2019<br>alopez : 02/10/2015<br>alopez : 2/10/2015<br>alopez : 11/25/2014<br>alopez : 11/19/2014<br>mgross : 3/26/2014<br>mcolton : 3/6/2014<br>alopez : 4/11/2013<br>alopez : 9/19/2012<br>terry : 9/18/2012<br>carol : 7/22/2010<br>wwang : 11/13/2008<br>terry : 11/6/2008<br>mgross : 6/6/2006<br>terry : 5/5/2006<br>carol : 5/3/2006<br>ckniffin : 5/1/2006<br>mgross : 2/6/2003<br>alopez : 3/16/1999<br>mark : 8/18/1995<br>terry : 8/9/1995
</span>
</div>
</div>
</div>
</div>
</div>
</div>
<div class="container visible-print-block">
<div class="row">
<div class="col-md-8 col-md-offset-1">
<div>
<div>
<h3>
<span class="mim-font">
<strong>*</strong> 600682
</span>
</h3>
</div>
<div>
<h3>
<span class="mim-font">
SOLUTE CARRIER FAMILY 16 (MONOCARBOXYLIC ACID TRANSPORTER), MEMBER 1; SLC16A1
</span>
</h3>
</div>
<div>
<br />
</div>
<div>
<div >
<p>
<span class="mim-font">
<em>Alternative titles; symbols</em>
</span>
</p>
</div>
<div>
<h4>
<span class="mim-font">
MONOCARBOXYLATE TRANSPORTER 1; MCT1
</span>
</h4>
</div>
</div>
<div>
<br />
</div>
</div>
<div>
<p>
<span class="mim-text-font">
<strong><em>HGNC Approved Gene Symbol: SLC16A1</em></strong>
</span>
</p>
</div>
<div>
<p>
<span class="mim-text-font">
<strong>SNOMEDCT:</strong> 715830008, 766715000; &nbsp;
</span>
</p>
</div>
<div>
<br />
</div>
<div>
<p>
<span class="mim-text-font">
<strong>
<em>
Cytogenetic location: 1p13.2
&nbsp;
Genomic coordinates <span class="small">(GRCh38)</span> : 1:112,911,847-112,956,196 </span>
</em>
</strong>
<span class="small">(from NCBI)</span>
</span>
</p>
</div>
<div>
<br />
</div>
<div>
<h4>
<span class="mim-font">
<strong>Gene-Phenotype Relationships</strong>
</span>
</h4>
<div>
<table class="table table-bordered table-condensed small mim-table-padding">
<thead>
<tr class="active">
<th>
Location
</th>
<th>
Phenotype
</th>
<th>
Phenotype <br /> MIM number
</th>
<th>
Inheritance
</th>
<th>
Phenotype <br /> mapping key
</th>
</tr>
</thead>
<tbody>
<tr>
<td rowspan="3">
<span class="mim-font">
1p13.2
</span>
</td>
<td>
<span class="mim-font">
Erythrocyte lactate transporter defect
</span>
</td>
<td>
<span class="mim-font">
245340
</span>
</td>
<td>
<span class="mim-font">
Autosomal dominant
</span>
</td>
<td>
<span class="mim-font">
3
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
Hyperinsulinemic hypoglycemia, familial, 7
</span>
</td>
<td>
<span class="mim-font">
610021
</span>
</td>
<td>
<span class="mim-font">
Autosomal dominant
</span>
</td>
<td>
<span class="mim-font">
3
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
Monocarboxylate transporter 1 deficiency
</span>
</td>
<td>
<span class="mim-font">
616095
</span>
</td>
<td>
<span class="mim-font">
Autosomal dominant; Autosomal recessive
</span>
</td>
<td>
<span class="mim-font">
3
</span>
</td>
</tr>
</tbody>
</table>
</div>
</div>
<div>
<br />
</div>
<div>
<h4>
<span class="mim-font">
<strong>TEXT</strong>
</span>
</h4>
<div>
<h4>
<span class="mim-font">
<strong>Description</strong>
</span>
</h4>
</div>
<span class="mim-text-font">
<p>The SLC16A1 gene encodes a monocarboxylate transporter (MCT1) that mediates the movement of lactate and pyruvate across cell membranes. Import and export of these substrates by tissues such as erythrocytes, muscle, intestine, and kidney are ascribed largely to the action of a proton-coupled MCT (Garcia et al., 1994). </p>
</span>
<div>
<br />
</div>
<div>
<h4>
<span class="mim-font">
<strong>Cloning and Expression</strong>
</span>
</h4>
</div>
<span class="mim-text-font">
<p>In a Chinese hamster ovary (CHO) cell line, Kim et al. (1992) identified a mutant protein, designated Mev, that acted as a mevalonate transporter. The corresponding cDNA was isolated by an expression cloning strategy and found to encode a protein with 12 putative membrane-spanning regions. The cloned mutant 'mevalonate transporter' differed from its wildtype progenitor by 1 amino acid in the tenth membrane-spanning region, which changed a phenylalanine (wildtype) to a cysteine (mutant). The mutant cells were heterozygous for this dominant gain-of-function mutation. The finding that the wildtype cDNA did not elicit increased mevalonate transport in transfected cells suggested that the wildtype protein is a transporter for a molecule other than mevalonate (i.e., lactate). The mRNA transcribed from the wildtype gene was expressed in highest levels in heart. Subsequent studies by Garcia et al. (1994) showed that the wildtype protein, which they designated MCT1, could transport lactate, pyruvate, and related monocarboxylates. MCT1 exhibited properties resembling those of the erythrocyte MCT, including proton symport, transacceleration, and sensitivity to alpha-cyanocinnamates. The amino acid sequence of MCT1 did not resemble that of any known protein, suggesting that MCT1 may represent a new class of solute carriers (solute carrier family 16). </p><p>Garcia et al. (1994) isolated cDNA clones corresponding to human MCT1 from a heart cDNA library. The deduced 500-residue protein showed 86% identity to the hamster protein. </p><p>Using primers derived from the human heart MCT1 cDNA isolated by Garcia et al. (1994), Ritzhaupt et al. (1998) cloned MCT1 from human colon mRNA. The heart and colon MCT1 cDNAs are identical. Northern blot analysis detected a 3.3-kb transcript in ileal and colonic RNA. Western blot analysis detected MCT1 at an apparent molecular mass of 40 kD in colonic luminal membrane vesicles. </p>
</span>
<div>
<br />
</div>
<div>
<h4>
<span class="mim-font">
<strong>Gene Structure</strong>
</span>
</h4>
</div>
<span class="mim-text-font">
<p>Cuff and Shirazi-Beechey (2002) determined that the SLC16A1 gene contains 5 exons and spans about 44 kb. The first exon is noncoding, and the first intron is more than 26 kb long. The promoter region lacks a TATA box, but it contains potential binding sites for several transcription factors. </p>
</span>
<div>
<br />
</div>
<div>
<h4>
<span class="mim-font">
<strong>Mapping</strong>
</span>
</h4>
</div>
<span class="mim-text-font">
<p>Garcia et al. (1994) mapped the SLC16A1 gene to chromosome 1p13.2-p12 by PCR analysis of panels of human/rodent cell hybrid lines and by fluorescence in situ hybridization. </p>
</span>
<div>
<br />
</div>
<div>
<h4>
<span class="mim-font">
<strong>Gene Function</strong>
</span>
</h4>
</div>
<span class="mim-text-font">
<p>Using radiolabeled lactate, Ritzhaupt et al. (1998) examined the properties of the L-lactate transporter in human and pig colonic luminal membrane vesicles. L-lactate uptake was stimulated in the presence of an outward-directed anion gradient at an extravesicular pH of 5.5. Transport of L-lactate into anion-loaded colonic membrane vesicles appeared to be via a proton-activated, anion exchange mechanism. L-lactate uptake was competitively inhibited by pyruvate, butyrate, propionate, and acetate, but not by Cl- or SO4(2-), and it was pharmacologically inhibited by several mercurial compounds. Based on these findings, Ritzhaupt et al. (1998) concluded that MCT1 is the protein responsible for L-lactate transport into colonic luminal membrane vesicles. </p><p>Lee et al. (2012) showed that the most abundant lactate transporter in the central nervous system, MCT1 (also known as SLC16A1), is highly enriched within oligodendroglia and that disruption of this transporter produces axon damage and neuron loss in animal and cell culture models. In addition, this same transporter is reduced in patients with, and in mouse models of, amyotrophic lateral sclerosis (ALS; see 105400), suggesting a role for oligodendroglial MCT1 in pathogenesis. Lee et al. (2012) concluded that the role of oligodendroglia in axon function and neuron survival has been elusive; this study defines a new fundamental mechanism by which oligodendroglia support neurons and axons. </p><p>In a genomewide haploid genetics screen to identify resistance mechanisms to 3-bromopyruvate (3-BrPA), a cancer drug candidate that inhibits glycolysis, Birsoy et al. (2013) identified the SLC16A1 gene product, MCT1, as the main determinant of 3-BrPA sensitivity. MCT1 is necessary and sufficient for 3-BrPA uptake by cancer cells. Breast cancer cell lines with high amounts of MCT1 protein were sensitive to 3-BrPA, whereas those with low or no MCT1 concentration were resistant to even high concentrations of 3-BrPA. SLC16A1 mRNA levels were most elevated in glycolytic cancer cells. Forced MCT1 expression in 3-BrPA-resistant cancer cells sensitized tumor xenografts to 3-BrPA treatment in vivo. </p><p>Using RNA sequencing to characterize the transcriptional program of phagocytes actively engulfing apoptotic cells, Morioka et al. (2018) identified a genetic signature involving 33 members of the solute carrier family of membrane transport proteins, in which expression is specifically modulated during efferocytosis, but not during antibody-mediated phagocytosis. Morioka et al. (2018) assessed the functional relevance of these solute carriers in efferocytic phagocytes and observed a robust induction of an aerobic glycolysis program, initiated by SLC2A1 (138140)-mediated glucose uptake, with concurrent suppression of the oxidative phosphorylation program. The different steps of phagocytosis, 'smell' (find-me signals or sensing factors released by apoptotic cells), 'taste' (phagocyte-apoptotic cell contact), and 'ingestion' (corpse internalization), activated distinct and overlapping sets of genes, including several SLC genes, to promote glycolysis. SLC16A1 was upregulated after corpse uptake, increasing the release of lactate, a natural by-product of aerobic glycolysis. Whereas glycolysis within phagocytes contributed to actin polymerization and the continued uptake of corpses, lactate released via SLC16A1 promoted the establishment of an antiinflammatory tissue environment. Morioka et al. (2018) concluded that their data revealed an SLC program that is activated during efferocytosis, identified a reliance on aerobic glycolysis during apoptotic cell uptake, and showed that glycolytic by-products of efferocytosis can influence surrounding cells. </p><p>Tasdogan et al. (2020) demonstrated that metabolic differences among melanoma cells confer differences in metastatic potential as a result of differences in the function of the MCT1 transporter. In vivo isotope tracing analysis in patient-derived xenografts revealed differences in nutrient handling between efficiently and inefficiently metastasizing melanomas, with circulating lactate being a more prominent source of tumor lactate in efficient metastasizers. Efficient metastasizers had higher levels of MCT1, and inhibition of MCT1 reduced lactate uptake. MCT1 inhibition had little effect on the growth of primary subcutaneous tumors, but resulted in depletion of circulating melanoma cells and reduced the metastatic disease burden in patient-derived xenografts and in mouse melanomas. In addition, inhibition of MCT1 suppressed the oxidative pentose phosphate pathway and increased levels of reactive oxygen species. Antioxidants blocked the effects of MCT1 inhibition on metastasis. MCT1-high and MCT1-null/low cells from the same melanomas had similar capacities to form subcutaneous tumors, but MCT1-high cells formed more metastases after intravenous injection. Tasdogan et al. (2020) concluded that metabolic differences among cancer cells thus confer differences in metastatic potential as metastasizing cells depend on MCT1 to manage oxidative stress. </p>
</span>
<div>
<br />
</div>
<div>
<h4>
<span class="mim-font">
<strong>Molecular Genetics</strong>
</span>
</h4>
</div>
<span class="mim-text-font">
<p><strong><em>Erythrocyte Lactate Transporter Defect</em></strong></p><p>
In a patient with erythrocyte lactate transporter defect (245340) originally reported by Fishbein (1986), Merezhinskaya et al. (2000) identified a heterozygous mutation in the SLC16A1 gene (600682.0001). Two additional patients were found to be heterozygous for another SLC16A1 mutation (600682.0002). All 3 patients had erythrocyte lactate clearance rates that were 40 to 50% of normal control values. The authors suggested that homozygous individuals would be more severely compromised. </p><p><strong><em>Hyperinsulinemic Hypoglycemia 7</em></strong></p><p>
In affected members of 2 Finnish families, previously examined by Otonkoski et al. (2003) and segregating autosomal dominant exercise-induced hyperinsulinemic hypoglycemia (610021) mapping to chromosome 1p, Otonkoski et al. (2007) identified a 163G-A transition (600682.0003) in the noncoding exon 1 and a 25-bp duplication (600682.0004), in the promoter region of the SLC16A1 gene, respectively. In a German proband previously reported by Meissner et al. (2001), they identified several sequence variants, including a 2-bp insertion. All 3 mutations were located within the binding sites of several transcription factors; patient fibroblasts displayed abnormally high SLC16A1 transcript levels, although monocarboxylate transport activities were not changed in those cells, reflecting additional posttranscriptional control of MCT1 levels in extrapancreatic tissues. In contrast, functional studies in beta cells demonstrated that these mutations resulted in increased protein binding to the corresponding promoter elements and a marked (3- to 10-fold) increase in transcription. Thus, promoter-activating mutations in patients with hyperinsulinemic hypoglycemia induce SLC16A1 expression in beta cells, where this gene is not usually transcribed, permitting pyruvate uptake and pyruvate-stimulated insulin release despite ensuing hypoglycemia. Otonkoski et al. (2007) stated that this represented a novel disease mechanism based on the failure of cell-specific transcriptional silencing of a gene that is highly expressed in other tissues. </p><p>Quintens et al. (2008) noted that repression of certain ubiquitously expressed housekeeping genes is necessary in pancreatic beta cells, in order to prevent the insulin toxicity that might result from exocytosis under conditions when circulating insulin is unwanted, citing low-K(m) hexokinases (see HK1, 142600) and monocarboxylic acid transporters (MCTs) as examples. The absence of MCTs in beta cells explains the so-called 'pyruvate paradox' whereby pyruvate, despite being an excellent substrate for mitochondrial ATP production, does not stimulate insulin release when added to beta cells. The importance of this disallowance is exemplified by patients who have gain-of-function MCT1 promoter mutations and loss of the pyruvate paradox, with resultant exercise-induced inappropriate insulin release. </p><p>Using immunohistochemistry in mouse testis, Mannowetz et al. (2012) showed that Bsg (109480) was expressed in elongating spermatid cytoplasm and sperm tails, whereas Emb (615669) localized in sperm tails only. Mct1 was detectable in spermatozoa tails and plasma membranes of both spermatocytes and spermatids, whereas Mct2 (603654) was present in sperm tails and cytoplasm of Sertoli cells. The distribution of Bsg, Emb, Mct1, and Mct2 differed in epididymis and epididymal sperm. Bsg colocalized with Mct1 and Mct2 in spermatozoa, but Emb did not colocalize and was detected in the principal piece and the acrosome. Immunoblot analysis showed that in epididymal sperm, Bsg was expressed as a 51-kD protein, Emb as a 40-kD protein, Mct1 as a 40- to 48-kD protein, and Mct2 as a 40-kD protein. Mct1 and Mct2 coimmunoprecipitated with Bsg, but not Emb, in cauda sperm preparations. Functional analysis showed that Mct1 and Mct2 were active and provided the cells with L-lactate. Mannowetz et al. (2012) proposed that BSG interacts with MCT1 and MCT2 to locate them properly in the membrane of spermatogenic cells and that this may enable sperm to use lactate as an energy substrate. </p><p><strong><em>Monocarboxylate Transporter 1 Deficiency</em></strong></p><p>
In 9 patients with monocarboxylate transporter-1 deficiency (MCT1D; 616095) manifest as severe ketoacidosis, Van Hasselt et al. (2014) identified 8 mutations (7 frameshift or termination mutations and 1 missense mutation affecting the catalytic site) in the MCT1 gene. Three patients had homozygous mutations, and 6 had heterozygous mutations. Eight patients with MCT1 mutations were identified from a cohort of 96 patients with recurrent ketoacidosis in whom known ketolytic defects had been ruled out enzymatically. The initial patient underwent whole-exome sequencing, which identified the homozygous MCT1 mutation; the patients in the cohort were screened by Sanger sequencing of MCT1, MCT2 (SLC16A7; 603654), MCT3 (SLC16A8; 610409), and MCT4 (SLC16A3; 603877), as well as BSG (109480), which interacts with MCT1. </p>
</span>
<div>
<br />
</div>
</div>
<div>
<h4>
<span class="mim-font">
<strong>ALLELIC VARIANTS</strong>
</span>
<strong>12 Selected Examples):</strong>
</span>
</h4>
<div>
<p />
</div>
<div>
<div>
<h4>
<span class="mim-font">
<strong>.0001 &nbsp; ERYTHROCYTE LACTATE TRANSPORTER DEFECT</strong>
</span>
</h4>
</div>
<div>
<span class="mim-text-font">
SLC16A1, LYS204GLU
<br />
SNP: rs80358222,
gnomAD: rs80358222,
ClinVar: RCV000009469, RCV002512941
</span>
</div>
<div>
<span class="mim-text-font">
<p>In a patient with erythrocyte lactate transporter defect (245340) originally reported by Fishbein (1986), Merezhinskaya et al. (2000) identified a heterozygous 610A-G transition in the SLC16A1 gene, resulting in a lys204-to-glu (K204E) substitution in a highly conserved residue. The substitution occurs in the early part of the large central cytoplasmic loop between transmembrane segments 6 and 7. The substitution was not identified in 90 healthy control individuals. Erythrocyte lactate clearance was 40 to 50% that of normal control values. </p>
</span>
</div>
<div>
<br />
</div>
</div>
<div>
<div>
<h4>
<span class="mim-font">
<strong>.0002 &nbsp; ERYTHROCYTE LACTATE TRANSPORTER DEFECT</strong>
</span>
</h4>
</div>
<div>
<span class="mim-text-font">
SLC16A1, GLY472ARG
<br />
SNP: rs72552271,
gnomAD: rs72552271,
ClinVar: RCV000009470, RCV000193787, RCV002054429
</span>
</div>
<div>
<span class="mim-text-font">
<p>In 2 unrelated male patients with erythrocyte lactate transporter defect (245340), Merezhinskaya et al. (2000) identified a heterozygous 1414G-A transition in the SLC16A1 gene, resulting in a gly472-to-arg (G472R) substitution halfway along the cytoplasmic C-terminal chain. The substitution is not conserved, but was not identified in 90 healthy control individuals. Erythrocyte lactate clearance was 40 to 50% that of normal control values. </p>
</span>
</div>
<div>
<br />
</div>
</div>
<div>
<div>
<h4>
<span class="mim-font">
<strong>.0003 &nbsp; HYPERINSULINEMIC HYPOGLYCEMIA, FAMILIAL, 7</strong>
</span>
</h4>
</div>
<div>
<span class="mim-text-font">
SLC16A1, 163G-A, 5-PRIME UTR
<br />
SNP: rs387906403,
ClinVar: RCV000009471
</span>
</div>
<div>
<span class="mim-text-font">
<p>In affected members of a Finnish family segregating autosomal dominant exercise-induced hyperinsulinemic hypoglycemia (610021), including the female patient originally reported by Meissner et al. (2001), Otonkoski et al. (2007) identified heterozygosity for a 163G-A transition in exon 1 of the SLC16A1 gene, located within a binding site for nuclear matrix protein-1 (RAD21; 606462) and predicted to disrupt the binding sites of 2 potential transcriptional repressors. The mutation was not found in 92 Finnish and German controls. Functional studies in beta cells demonstrated increased protein binding to the corresponding promoter elements, resulting in a 3-fold increase in transcription. </p>
</span>
</div>
<div>
<br />
</div>
</div>
<div>
<div>
<h4>
<span class="mim-font">
<strong>.0004 &nbsp; HYPERINSULINEMIC HYPOGLYCEMIA, FAMILIAL, 7</strong>
</span>
</h4>
</div>
<div>
<span class="mim-text-font">
SLC16A1, 25-BP INS, NT24
<br />
SNP: rs606231172,
ClinVar: RCV000009472
</span>
</div>
<div>
<span class="mim-text-font">
<p>In affected members of a Finnish family segregating autosomal dominant exercise-induced hyperinsulinemic hypoglycemia (610021), Otonkoski et al. (2007) identified heterozygosity for a 25-bp insertion at nucleotide -24 of the SLC16A1 gene, introducing additional binding sites for the ubiquitous transcription factors SP1 (189906), USF (see 191523), and MXF1 (194550). The mutation was not found in 92 Finnish and German controls. Functional studies in beta cells demonstrated increased protein binding to the corresponding promoter elements, resulting in a 10-fold increase in transcription. </p>
</span>
</div>
<div>
<br />
</div>
</div>
<div>
<div>
<h4>
<span class="mim-font">
<strong>.0005 &nbsp; MONOCARBOXYLATE TRANSPORTER 1 DEFICIENCY, AUTOSOMAL RECESSIVE</strong>
</span>
</h4>
</div>
<div>
<span class="mim-text-font">
SLC16A1, 1-BP INS, 41C
<br />
SNP: rs606231309,
gnomAD: rs606231309,
ClinVar: RCV000148036, RCV001262832, RCV003556193
</span>
</div>
<div>
<span class="mim-text-font">
<p>In an 8-year-old girl, born to consanguineous Syrian parents, who presented at 3.5 months of age with severe ketoacidosis indicative of monocarboxylate transporter-1 deficiency (MCT1D; 616095), van Hasselt et al. (2014) identified a homozygous single-nucleotide insertion in the MCT1 gene (c.41dupC) that resulted in a frameshift at asp15 (Asp15fs). Both healthy parents were heterozygous for the mutation. The child had 5 episodes of profound ketosis. She had microcephaly and developed moderate intellectual disability. Cardiac ultrasound revealed atrial septal defect as well as hypoplastic left pulmonary artery. The mutation was not identified in the 1000 Genomes Project or Exome Variant Server databases. </p>
</span>
</div>
<div>
<br />
</div>
</div>
<div>
<div>
<h4>
<span class="mim-font">
<strong>.0006 &nbsp; MONOCARBOXYLATE TRANSPORTER 1 DEFICIENCY, AUTOSOMAL RECESSIVE</strong>
</span>
</h4>
</div>
<div>
<span class="mim-text-font">
SLC16A1, ARG313TER
<br />
SNP: rs606231299,
gnomAD: rs606231299,
ClinVar: RCV000145408, RCV002283458, RCV003556185
</span>
</div>
<div>
<span class="mim-text-font">
<p>In a 21-year-old female, born to unrelated Irish parents, who presented at 1 year of age with profound ketoacidosis (MCT1D; 616095), van Hasselt et al. (2014) identified a homozygous c.937C-T transition in the MCT1 gene, resulting in an arg313-to-ter (R313X) substitution. Both healthy parents were heterozygous for the mutation. The patient had had 4 ketotic events. She had moderate intellectual disability and developed epilepsy. </p>
</span>
</div>
<div>
<br />
</div>
</div>
<div>
<div>
<h4>
<span class="mim-font">
<strong>.0007 &nbsp; MONOCARBOXYLATE TRANSPORTER 1 DEFICIENCY, AUTOSOMAL RECESSIVE</strong>
</span>
</h4>
</div>
<div>
<span class="mim-text-font">
SLC16A1, ARG328TER
<br />
SNP: rs606231310,
gnomAD: rs606231310,
ClinVar: RCV000148037, RCV000986394
</span>
</div>
<div>
<span class="mim-text-font">
<p>In a 9-year-old male, born to third-degree Turkish cousins, who presented at 23 months of age with profound ketoacidosis (MCT1D; 616095), van Hasselt et al. (2014) identified a homozygous c.982C-T transition in the MCT1 gene, resulting in an arg328-to-ter (R328X) substitution. Both healthy parents were heterozygous for the mutation. In addition to the single episode of profound ketoacidosis, the patient had mild intellectual disability. He was born with a cleft palate and had coughing attacks during exercise. </p>
</span>
</div>
<div>
<br />
</div>
</div>
<div>
<div>
<h4>
<span class="mim-font">
<strong>.0008 &nbsp; MONOCARBOXYLATE TRANSPORTER 1 DEFICIENCY, AUTOSOMAL DOMINANT</strong>
</span>
</h4>
</div>
<div>
<span class="mim-text-font">
SLC16A1, ARG196TER
<br />
SNP: rs606231300,
ClinVar: RCV000145410
</span>
</div>
<div>
<span class="mim-text-font">
<p>In a 10-year-old boy with ketoacidosis with massive ketonuria and a history of cyclic vomiting (MCT1D; 616095), van Hasselt et al. (2014) identified a heterozygous c.586C-T transition in the MCT1 gene, resulting in an arg196-to-ter (R196X) substitution. The patient, who was born to unrelated British parents, had normal development but developed migraines. </p>
</span>
</div>
<div>
<br />
</div>
</div>
<div>
<div>
<h4>
<span class="mim-font">
<strong>.0009 &nbsp; MONOCARBOXYLATE TRANSPORTER 1 DEFICIENCY, AUTOSOMAL DOMINANT</strong>
</span>
</h4>
</div>
<div>
<span class="mim-text-font">
SLC16A1, 4-BP DEL, NT747
<br />
SNP: rs606231311,
gnomAD: rs606231311,
ClinVar: RCV000148038, RCV001542540, RCV002291572, RCV003114292
</span>
</div>
<div>
<span class="mim-text-font">
<p>In 2 sibs of British origin, born to nonconsanguineous parents, with monocarboxylate transporter-1 deficiency (MCT1D; 616095), van Hasselt et al. (2014) identified a heterozygous 4-bp deletion in the MCT1 gene (747_750del) leading to a frameshift mutation at asn250 (N250). The 20-year-old brother had had 10 ketotic events associated with massive ketonuria; his initial presentation was at 3 years 8 months of age, and his last was at 14 years. He also had migraines. Development was normal. His 22-year-old sister had her first of 5 ketotic episodes at 6 years 3 months of age and experienced ketoacidosis with massive ketonuria. She had also experienced pregnancy-related vomiting. Development was normal, and she had no other clinical features. </p>
</span>
</div>
<div>
<br />
</div>
</div>
<div>
<div>
<h4>
<span class="mim-font">
<strong>.0010 &nbsp; MONOCARBOXYLATE TRANSPORTER 1 DEFICIENCY, AUTOSOMAL DOMINANT</strong>
</span>
</h4>
</div>
<div>
<span class="mim-text-font">
SLC16A1, 1-BP DEL, 499G
<br />
SNP: rs606231301,
gnomAD: rs606231301,
ClinVar: RCV000145412, RCV003156227
</span>
</div>
<div>
<span class="mim-text-font">
<p>In an 11-year-old female, born to unrelated British parents, who experienced 5 ketotic events associated with exaggerated ketotic hypoglycemia and ketoacidosis with massive ketonuria (MCT1D; 616095), van Hasselt et al. (2014) identified a heterozygous single-basepair deletion at nucleotide 499 (c.499del) resulting in frameshift at val167 (Val167fs). The patient presented at 1.5 years of age. Development was normal, and she had no other clinical features. </p>
</span>
</div>
<div>
<br />
</div>
</div>
<div>
<div>
<h4>
<span class="mim-font">
<strong>.0011 &nbsp; MONOCARBOXYLATE TRANSPORTER 1 DEFICIENCY, AUTOSOMAL DOMINANT</strong>
</span>
</h4>
</div>
<div>
<span class="mim-text-font">
SLC16A1, 1-BP INS, 490C
<br />
SNP: rs606231312,
ClinVar: RCV000148039, RCV002284366
</span>
</div>
<div>
<span class="mim-text-font">
<p>In a 10-year-old boy, born to unrelated Dutch parents, who had experienced 4 episodes of ketoacidosis with massive ketonuria (MCT1D; 616095), van Hasselt et al. (2014) identified a heterozygous single-basepair insertion (c.490dupC) in the MCT1 gene, resulting in a frameshift at leu164 (Leu164fs). The patient's first ketotic episode occurred at 3 years 2 months of age. Development was intact, and he had short stature. </p>
</span>
</div>
<div>
<br />
</div>
</div>
<div>
<div>
<h4>
<span class="mim-font">
<strong>.0012 &nbsp; MONOCARBOXYLATE TRANSPORTER 1 DEFICIENCY, AUTOSOMAL DOMINANT</strong>
</span>
</h4>
</div>
<div>
<span class="mim-text-font">
SLC16A1, ARG313GLN
<br />
SNP: rs606231302,
ClinVar: RCV000145414
</span>
</div>
<div>
<span class="mim-text-font">
<p>In a 22-year-old male of Dutch ancestry who had had 5 episodes of ketoacidosis with massive ketonuria (MCT1D; 616095), a history of cyclic vomiting, and exercise intolerance, van Hasselt et al. (2014) identified heterozygosity for a c.938G-A transition in the MCT1 gene, resulting in an arg313-to-gln (R313Q) substitution. The mutation was located at the catalytic site of the enzyme. The patient presented with his first ketotic episode at 2 years 6 months of age, and his last episode occurred at 6 years 5 months of age. </p>
</span>
</div>
<div>
<br />
</div>
</div>
</div>
<div>
<h4>
<span class="mim-font">
<strong>REFERENCES</strong>
</span>
</h4>
<div>
<p />
</div>
<div>
<ol>
<li>
<p class="mim-text-font">
Birsoy, K., Wang, T., Possemato, R., Yilmaz, O. H., Koch, C. E., Chen, W. W., Hutchins, A. W., Gultekin, Y., Peterson, T. R., Carette, J. E., Brummelkamp, T. R., Clish, C. B., Sabatini, D. M.
<strong>MCT1-mediated transport of a toxic molecule is an effective strategy for targeting glycolytic tumors.</strong>
Nature Genet. 45: 104-108, 2013.
[PubMed: 23202129]
[Full Text: https://doi.org/10.1038/ng.2471]
</p>
</li>
<li>
<p class="mim-text-font">
Cuff, M. A., Shirazi-Beechey, S. P.
<strong>The human monocarboxylate transporter, MCT1: genomic organization and promoter analysis.</strong>
Biochem. Biophys. Res. Commun. 292: 1048-1056, 2002.
[PubMed: 11944921]
[Full Text: https://doi.org/10.1006/bbrc.2002.6763]
</p>
</li>
<li>
<p class="mim-text-font">
Fishbein, W. N.
<strong>Lactate transporter defect: a new disease of muscle.</strong>
Science 234: 1254-1256, 1986.
[PubMed: 3775384]
[Full Text: https://doi.org/10.1126/science.3775384]
</p>
</li>
<li>
<p class="mim-text-font">
Garcia, C. K., Goldstein, J. L., Pathak, R. K., Anderson, R. G. W., Brown, M. S.
<strong>Molecular characterization of a membrane transporter for lactate, pyruvate, and other monocarboxylates: implications for the Cori cycle.</strong>
Cell 76: 865-873, 1994.
[PubMed: 8124722]
[Full Text: https://doi.org/10.1016/0092-8674(94)90361-1]
</p>
</li>
<li>
<p class="mim-text-font">
Garcia, C. K., Li, X., Luna, J., Francke, U.
<strong>cDNA cloning of the human monocarboxylate transporter 1 and chromosomal localization of the SLC16A1 locus to 1p13.2-p12.</strong>
Genomics 23: 500-503, 1994.
[PubMed: 7835905]
[Full Text: https://doi.org/10.1006/geno.1994.1532]
</p>
</li>
<li>
<p class="mim-text-font">
Kim, C. M., Goldstein, J. L., Brown, M. S.
<strong>cDNA cloning of mev, a mutant protein that facilitates cellular uptake of mevalonate, and identification of the point mutation responsible for its gain of function.</strong>
J. Biol. Chem. 267: 23113-23121, 1992.
[PubMed: 1429658]
</p>
</li>
<li>
<p class="mim-text-font">
Lee, Y., Morrison, B. M., Li, Y., Lengacher, S., Farah, M. H., Hoffman, P. N., Liu, Y., Tsingalia, A., Jin, L., Zhang, P.-W., Pellerin, L., Magistretti, P. J., Rothstein, J. D.
<strong>Oligodendroglia metabolically support axons and contribute to neurodegeneration.</strong>
Nature 487: 443-448, 2012.
[PubMed: 22801498]
[Full Text: https://doi.org/10.1038/nature11314]
</p>
</li>
<li>
<p class="mim-text-font">
Mannowetz, N., Wandernoth, P., Wennemuth, G.
<strong>Basigin interacts with both MCT1 and MCT2 in murine spermatozoa.</strong>
J. Cell. Physiol. 227: 2154-2162, 2012.
[PubMed: 21792931]
[Full Text: https://doi.org/10.1002/jcp.22949]
</p>
</li>
<li>
<p class="mim-text-font">
Meissner, T., Otonkoski, T., Feneberg, R., Beinbrech, B., Apostolidou, S., Sipila, I., Schaefer, F., Mayatepek, E.
<strong>Exercise induced hypoglycaemic hyperinsulinism.</strong>
Arch. Dis. Child. 84: 254-257, 2001.
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Merezhinskaya, N., Fishbein, W. N., Davis, J. I., Foellmer, J. W.
<strong>Mutations in MCT1 cDNA in patients with symptomatic deficiency in lactate transport.</strong>
Muscle Nerve 23: 90-97, 2000.
[PubMed: 10590411]
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Morioka, S., Perry, J. S. A., Raymond, M. H., Medina, C. B., Zhu, Y., Zhao, L., Serbulea, V., Onengut-Gumuscu, S., Leitinger, N., Kucenas, S., Rathmell, J. C., Makowski, L., Ravichandran, K. S.
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Nature 563: 714-718, 2018.
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Otonkoski, T., Jiao, H., Kaminen-Ahola, N., Tapia-Paez, I., Ullah, M. S., Parton, L. E., Schuit, F., Quintens, R., Sipila, I., Mayatepek, E., Meissner, T., Halestrap, A. P., Rutter, G. A., Kere, J.
<strong>Physical exercise-induced hypoglycemia caused by failed silencing of monocarboxylate transporter 1 in pancreatic beta cells.</strong>
Am. J. Hum. Genet. 81: 467-474, 2007.
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Otonkoski, T., Kaminen, N., Ustinov, J., Lapatto, R., Meissner, T., Mayatepek, E., Kere, J., Sipila, I.
<strong>Physical exercise-induced hyperinsulinemic hypoglycemia is an autosomal-dominant trait characterized by abnormal pyruvate-induced insulin release.</strong>
Diabetes 52: 199-204, 2003.
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Quintens, R., Hendrickx, N., Lemaire, K., Schuit, F.
<strong>Why expression of some genes is disallowed in beta-cells.</strong>
Biochem. Soc. Trans. 36: 300-305, 2008.
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Ritzhaupt, A., Wood, I. S., Ellis, A., Hosie, K. B., Shirazi-Beechey, S. P.
<strong>Identification and characterization of a monocarboxylate transporter (MCI1) in pig and human colon: its potential to transport L-lactate as well as butyrate.</strong>
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van Hasselt, P. M., Ferdinandusse, S., Monroe, G. R., Ruiter, J. P. N., Turkenburg, M., Geerlings, M. J., Duran, K., Harakalova, M., van der Zwaag, B., Monavari, A. A., Okur, I., Sharrard, M. J., and 11 others.
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