nih-gov/www.ncbi.nlm.nih.gov/omim/603194

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<title>
Entry
- #603194 - MECKEL SYNDROME, TYPE 2; MKS2
- OMIM
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<span class="h4">#603194</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="#phenotypeMap"><strong>Phenotype-Gene Relationships</strong></a>
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<a href="/clinicalSynopsis/603194"><strong>Clinical Synopsis</strong></a>
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<a href="/phenotypicSeries/PS249000"> <strong>Phenotypic Series</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="#clinicalFeatures">Clinical Features</a>
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<li role="presentation" style="margin-left: 1em">
<a href="#inheritance">Inheritance</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="#molecularGenetics">Molecular Genetics</a>
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<a href="#seeAlso"><strong>See Also</strong></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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<div id="mimClinicalResourcesLinksToggleTriangle" class="small mimSingletonTriangle" style="color: #337CB5; display: table-cell;">&#9660;</div>
&nbsp;
<div style="display: table-cell;">Clinical Resources</div>
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<div id="mimClinicalResourcesLinksFold" class="panel-collapse collapse in mimLinksFold" role="tabpanel" aria-labelledby="clinicalResources">
<div class="panel-body small mim-panel-body">
<div><a href="https://clinicaltrials.gov/search?cond=(MECKEL SYNDROME, TYPE) OR (TMEM216)" class="mim-tip-hint" title="Clinical Trials" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'Clinical Trials', 'domain': 'clinicaltrials.gov'})">Clinical Trials</a></div>
<div><a href="https://www.orpha.net/consor/cgi-bin/ClinicalLabs_Search_Simple.php?lng=EN&LnkId=280&Typ=Pat" class="mim-tip-hint" title="A list of European laboratories that offer genetic testing." target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'EuroGentest', 'domain': 'orpha.net'})">EuroGentest</a></div>
<div><a href="https://www.diseaseinfosearch.org/x/4536" class="mim-tip-hint" title="Network of disease-specific advocacy organizations, universities, private companies, government agencies, and public policy organizations." target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'Genetic Alliance', 'domain': 'diseaseinfosearch.org'})">Genetic Alliance</a></div>
<div><a href="https://www.ncbi.nlm.nih.gov/gtr/all/tests/?term=603194[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><a href="https://www.orpha.net/consor/cgi-bin/OC_Exp.php?lng=EN&Expert=564" class="mim-tip-hint" title="European reference portal for information on rare diseases and orphan drugs." target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'OrphaNet', 'domain': 'orpha.net'})">OrphaNet</a></div>
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<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">
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<div id="mimAnimalModelsLinksToggleTriangle" class="small mimSingletonTriangle" style="color: #337CB5; display: table-cell;">&#9658;</div>
&nbsp;
<div style="display: table-cell;">Animal Models</div>
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</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/disease/DOID:0070116" 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="http://www.informatics.jax.org/disease/603194" class="mim-tip-hint" title="Phenotypes, alleles, and disease models from Mouse Genome Informatics." target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'MGI Mouse Phenotype', 'domain': 'informatics.jax.org'})">MGI Mouse Phenotype</a></div>
<div><a href="https://wormbase.org/resources/disease/DOID:0070116" class="mim-tip-hint" title="Database of the biology and genome of Caenorhabditis elegans and related nematodes." target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'Wormbase Disease Ontology', 'domain': 'wormbase.org'})">Wormbase Disease Ontology</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>ORPHA:</strong> 564<br />
<strong>DO:</strong> 0070116<br />
">ICD+</a>
</div>
<div>
<span class="h3">
<span class="mim-font mim-tip-hint" title="Phenotype description, molecular basis known">
<span class="text-danger"><strong>#</strong></span>
603194
</span>
</span>
</div>
</div>
<div>
<a id="preferredTitle" class="mim-anchor"></a>
<h3>
<span class="mim-font">
MECKEL SYNDROME, TYPE 2; MKS2
</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">
MECKEL-GRUBER SYNDROME, TYPE 2
</span>
</h4>
</div>
</div>
<div>
<br />
</div>
</div>
<div>
<a id="phenotypeMap" class="mim-anchor"></a>
<h4>
<span class="mim-font">
<strong>Phenotype-Gene Relationships</strong>
</span>
</h4>
<div>
<table class="table table-bordered table-condensed table-hover 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>
<th>
Gene/Locus
</th>
<th>
Gene/Locus <br /> MIM number
</th>
</tr>
</thead>
<tbody>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/11/455?start=-3&limit=10&highlight=455">
11q12.2
</a>
</span>
</td>
<td>
<span class="mim-font">
Meckel syndrome 2
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/603194"> 603194 </a>
</span>
</td>
<td>
<span class="mim-font">
<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>
<td>
<span class="mim-font">
TMEM216
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/613277"> 613277 </a>
</span>
</td>
</tr>
</tbody>
</table>
</div>
</div>
<div>
<div class="btn-group ">
<a href="/clinicalSynopsis/603194" class="btn btn-warning" role="button"> Clinical Synopsis </a>
<button type="button" id="mimPhenotypicSeriesToggle" class="btn btn-warning dropdown-toggle mimSingletonFoldToggle" data-toggle="collapse" href="#mimClinicalSynopsisFold" onclick="ga('send', 'event', 'Unfurl', 'ClinicalSynopsis', 'omim.org')">
<span class="caret"></span>
<span class="sr-only">Toggle Dropdown</span>
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&nbsp;
<div class="btn-group">
<a href="/phenotypicSeries/PS249000" class="btn btn-info" role="button"> Phenotypic Series </a>
<button type="button" id="mimPhenotypicSeriesToggle" class="btn btn-info dropdown-toggle mimSingletonFoldToggle" data-toggle="collapse" href="#mimPhenotypicSeriesFold" onclick="ga('send', 'event', 'Unfurl', 'PhenotypicSeries', 'omim.org')">
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&nbsp;
<div class="btn-group">
<button type="button" class="btn btn-success dropdown-toggle" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
PheneGene Graphics <span class="caret"></span>
</button>
<ul class="dropdown-menu" style="width: 17em;">
<li><a href="/graph/linear/603194" target="_blank" onclick="gtag('event', 'mim_graph', {'destination': 'Linear'})"> Linear </a></li>
<li><a href="/graph/radial/603194" target="_blank" onclick="gtag('event', 'mim_graph', {'destination': 'Radial'})"> Radial </a></li>
</ul>
</div>
<span class="glyphicon glyphicon-question-sign mim-tip-hint" title="OMIM PheneGene graphics depict relationships between phenotypes, groups of related phenotypes (Phenotypic Series), and genes.<br /><a href='/static/omim/pdf/OMIM_Graphics.pdf' target='_blank'>A quick reference overview and guide (PDF)</a>"></span>
<div>
<p />
</div>
<div id="mimClinicalSynopsisFold" class="well well-sm collapse mimSingletonToggleFold">
<div class="small" style="margin: 5px">
<div>
<div>
<span class="h5 mim-font">
<strong> INHERITANCE </strong>
</span>
</div>
<div style="margin-left: 2em;">
<div>
<span class="mim-font">
- Autosomal recessive <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/258211005" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">258211005</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0441748&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0441748</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000007" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000007</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000007" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000007</a>]</span><br />
</span>
</div>
</div>
</div>
<div>
<div>
<span class="h5 mim-font">
<strong> GROWTH </strong>
</span>
</div>
<div style="margin-left: 2em;">
<div>
<div>
<span class="h5 mim-font">
<em> Other </em>
</span>
</div>
<div style="margin-left: 2em;">
<span class="mim-font">
- Intrauterine growth retardation <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/22033007" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">22033007</a>]</span> <span class="mim-feature-ids hidden">[ICD9CM: <a href="https://purl.bioontology.org/ontology/ICD9CM/764.90" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD9CM\', \'domain\': \'bioontology.org\'})">764.90</a>, <a href="https://purl.bioontology.org/ontology/ICD9CM/764.9" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD9CM\', \'domain\': \'bioontology.org\'})">764.9</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0015934&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0015934</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0001511" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0001511</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0001511" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0001511</a>]</span><br />
</span>
</div>
</div>
</div>
</div>
<div>
<div>
<span class="h5 mim-font">
<strong> HEAD & NECK </strong>
</span>
</div>
<div style="margin-left: 2em;">
<div>
<div>
<span class="h5 mim-font">
<em> Eyes </em>
</span>
</div>
<div style="margin-left: 2em;">
<span class="mim-font">
- Microphthalmia (1 patient) <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/204108000" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">204108000</a>, <a href="https://purl.bioontology.org/ontology/SNOMEDCT/61142002" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">61142002</a>]</span> <span class="mim-feature-ids hidden">[ICD10CM: <a href="https://purl.bioontology.org/ontology/ICD10CM/Q11.2" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD10CM\', \'domain\': \'bioontology.org\'})">Q11.2</a>]</span> <span class="mim-feature-ids hidden">[ICD9CM: <a href="https://purl.bioontology.org/ontology/ICD9CM/743.1" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD9CM\', \'domain\': \'bioontology.org\'})">743.1</a>, <a href="https://purl.bioontology.org/ontology/ICD9CM/743.10" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD9CM\', \'domain\': \'bioontology.org\'})">743.10</a>, <a href="https://purl.bioontology.org/ontology/ICD9CM/743.11" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD9CM\', \'domain\': \'bioontology.org\'})">743.11</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0026010&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0026010</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000568" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000568</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000568" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000568</a>]</span><br />
</span>
</div>
</div>
<div>
<div>
<span class="h5 mim-font">
<em> Mouth </em>
</span>
</div>
<div style="margin-left: 2em;">
<span class="mim-font">
- Cleft palate (in some patients) <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/63567004" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">63567004</a>, <a href="https://purl.bioontology.org/ontology/SNOMEDCT/87979003" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">87979003</a>]</span> <span class="mim-feature-ids hidden">[ICD10CM: <a href="https://purl.bioontology.org/ontology/ICD10CM/Q35.5" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD10CM\', \'domain\': \'bioontology.org\'})">Q35.5</a>, <a href="https://purl.bioontology.org/ontology/ICD10CM/Q35" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD10CM\', \'domain\': \'bioontology.org\'})">Q35</a>, <a href="https://purl.bioontology.org/ontology/ICD10CM/Q35.9" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD10CM\', \'domain\': \'bioontology.org\'})">Q35.9</a>]</span> <span class="mim-feature-ids hidden">[ICD9CM: <a href="https://purl.bioontology.org/ontology/ICD9CM/749.00" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD9CM\', \'domain\': \'bioontology.org\'})">749.00</a>, <a href="https://purl.bioontology.org/ontology/ICD9CM/749.0" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD9CM\', \'domain\': \'bioontology.org\'})">749.0</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C1837218&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C1837218</a>, <a href="https://bioportal.bioontology.org/search?q=C2981150&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C2981150</a>, <a href="https://bioportal.bioontology.org/search?q=C2240378&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C2240378</a>, <a href="https://bioportal.bioontology.org/search?q=C0008925&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0008925</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000175" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000175</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000175" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000175</a>]</span><br />
</span>
</div>
</div>
</div>
</div>
<div>
<div>
<span class="h5 mim-font">
<strong> ABDOMEN </strong>
</span>
</div>
<div style="margin-left: 2em;">
<div>
<div>
<span class="h5 mim-font">
<em> Liver </em>
</span>
</div>
<div style="margin-left: 2em;">
<span class="mim-font">
- Bile duct proliferation <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/20239009" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">20239009</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0267818&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0267818</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0001408" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0001408</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0001408" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0001408</a>]</span><br /> -
Ductal plate malformations <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C2673892&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C2673892</a>]</span><br />
</span>
</div>
</div>
</div>
</div>
<div>
<div>
<span class="h5 mim-font">
<strong> GENITOURINARY </strong>
</span>
</div>
<div style="margin-left: 2em;">
<div>
<div>
<span class="h5 mim-font">
<em> External Genitalia (Male) </em>
</span>
</div>
<div style="margin-left: 2em;">
<span class="mim-font">
- Hypoplastic genitalia (1 patient) <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C1842582&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C1842582</a>]</span><br />
</span>
</div>
</div>
<div>
<div>
<span class="h5 mim-font">
<em> Kidneys </em>
</span>
</div>
<div style="margin-left: 2em;">
<span class="mim-font">
- Cystic dysplasia <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C3809436&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C3809436</a>]</span><br />
</span>
</div>
</div>
</div>
</div>
<div>
<div>
<span class="h5 mim-font">
<strong> SKELETAL </strong>
</span>
</div>
<div style="margin-left: 2em;">
<div>
<div>
<span class="h5 mim-font">
<em> Limbs </em>
</span>
</div>
<div style="margin-left: 2em;">
<span class="mim-font">
- Bowing of the long bones <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C1855340&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C1855340</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0006487" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0006487</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0006487" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0006487</a>]</span><br />
</span>
</div>
</div>
<div>
<div>
<span class="h5 mim-font">
<em> Hands </em>
</span>
</div>
<div style="margin-left: 2em;">
<span class="mim-font">
- Polydactyly, postaxial <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0220697&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0220697</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0100259" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0100259</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0100259" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0100259</a>]</span><br />
</span>
</div>
</div>
<div>
<div>
<span class="h5 mim-font">
<em> Feet </em>
</span>
</div>
<div style="margin-left: 2em;">
<span class="mim-font">
- Polydactyly, postaxial <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0220697&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0220697</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0100259" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0100259</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0100259" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0100259</a>]</span><br />
</span>
</div>
</div>
</div>
</div>
<div>
<div>
<span class="h5 mim-font">
<strong> NEUROLOGIC </strong>
</span>
</div>
<div style="margin-left: 2em;">
<div>
<div>
<span class="h5 mim-font">
<em> Central Nervous System </em>
</span>
</div>
<div style="margin-left: 2em;">
<span class="mim-font">
- Anencephaly <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/609417004" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">609417004</a>, <a href="https://purl.bioontology.org/ontology/SNOMEDCT/89369001" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">89369001</a>]</span> <span class="mim-feature-ids hidden">[ICD10CM: <a href="https://purl.bioontology.org/ontology/ICD10CM/Q00.0" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD10CM\', \'domain\': \'bioontology.org\'})">Q00.0</a>]</span> <span class="mim-feature-ids hidden">[ICD9CM: <a href="https://purl.bioontology.org/ontology/ICD9CM/740.0" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD9CM\', \'domain\': \'bioontology.org\'})">740.0</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C2021655&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C2021655</a>, <a href="https://bioportal.bioontology.org/search?q=C0002902&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0002902</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0002323" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0002323</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0002323" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0002323</a>]</span><br /> -
Encephalocele, occipital <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/42376006" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">42376006</a>]</span> <span class="mim-feature-ids hidden">[ICD10CM: <a href="https://purl.bioontology.org/ontology/ICD10CM/Q01.2" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD10CM\', \'domain\': \'bioontology.org\'})">Q01.2</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0014067&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0014067</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0002085" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0002085</a>]</span><br /> -
Meningocele <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/171131006" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">171131006</a>, <a href="https://purl.bioontology.org/ontology/SNOMEDCT/172069000" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">172069000</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C1261470&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C1261470</a>, <a href="https://bioportal.bioontology.org/search?q=C0025299&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0025299</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0002435" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0002435</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0002435" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0002435</a>]</span><br /> -
Dandy-Walker malformation (in some patients) <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/14447001" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">14447001</a>]</span> <span class="mim-feature-ids hidden">[ICD10CM: <a href="https://purl.bioontology.org/ontology/ICD10CM/Q03.1" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD10CM\', \'domain\': \'bioontology.org\'})">Q03.1</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0010964&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0010964</a>, <a href="https://bioportal.bioontology.org/search?q=C2931867&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C2931867</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0001305" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0001305</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0001305" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0001305</a>]</span><br />
</span>
</div>
</div>
</div>
</div>
<div>
<div>
<span class="h5 mim-font">
<strong> MISCELLANEOUS </strong>
</span>
</div>
<div style="margin-left: 2em;">
<div>
<span class="mim-font">
- Lethal in utero or perinatal lethal<br />
</span>
</div>
</div>
</div>
<div>
<div>
<span class="h5 mim-font">
<strong> MOLECULAR BASIS </strong>
</span>
</div>
<div style="margin-left: 2em;">
<div>
<span class="mim-font">
- Caused by mutation in the transmembrane protein 216 gene (TMEM216, <a href="/entry/613277#0002">613277.0002</a>)<br />
</span>
</div>
</div>
</div>
<div class="text-right">
<a href="#mimClinicalSynopsisFold" data-toggle="collapse">&#9650;&nbsp;Close</a>
</div>
</div>
</div>
<div id="mimPhenotypicSeriesFold" class="well well-sm collapse mimSingletonToggleFold">
<div class="small">
<div class="row">
<div class="col-lg-12 col-md-12 col-sm-12 col-xs-12">
<h5>
Meckel syndrome
- <a href="/phenotypicSeries/PS249000">PS249000</a>
- 16 Entries
</h5>
</div>
</div>
<div class="row" style="margin-left: 0.125em; margin-right: 0.125em;">
<table class="table table-bordered table-condensed table-hover mim-table-padding">
<thead>
<tr>
<th class="col-lg-1 col-md-1 col-sm-1 col-xs-1 text-nowrap">
<strong>Location</strong>
</th>
<th class="col-lg-5 col-md-5 col-sm-5 col-xs-6 text-nowrap">
<strong>Phenotype</strong>
</th>
<th class="col-lg-1 col-md-1 col-sm-1 col-xs-1 text-nowrap">
<strong>Inheritance</strong>
</th>
<th class="col-lg-1 col-md-1 col-sm-1 col-xs-1 text-nowrap">
<strong>Phenotype<br />mapping key</strong>
</th>
<th class="col-lg-1 col-md-1 col-sm-1 col-xs-1 text-nowrap">
<strong>Phenotype<br />MIM number</strong>
</th>
<th class="col-lg-1 col-md-1 col-sm-1 col-xs-1 text-nowrap">
<strong>Gene/Locus</strong>
</th>
<th class="col-lg-1 col-md-1 col-sm-1 col-xs-1 text-nowrap">
<strong>Gene/Locus<br />MIM number</strong>
</th>
</tr>
</thead>
<tbody>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/1/1552?start=-3&limit=10&highlight=1552"> 1q32.1 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/616258"> ?Meckel syndrome 12 </a>
</span>
</td>
<td>
<span class="mim-font">
<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>
<td>
<span class="mim-font">
<a href="/entry/616258"> 616258 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/611279"> KIF14 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/611279"> 611279 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/3/689?start=-3&limit=10&highlight=689"> 3q22.1 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/267010"> Meckel syndrome 7 </a>
</span>
</td>
<td>
<span class="mim-font">
<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>
<td>
<span class="mim-font">
<a href="/entry/267010"> 267010 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/608002"> NPHP3 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/608002"> 608002 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/4/106?start=-3&limit=10&highlight=106"> 4p15.32 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/612284"> Meckel syndrome 6 </a>
</span>
</td>
<td>
<span class="mim-font">
<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>
<td>
<span class="mim-font">
<a href="/entry/612284"> 612284 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/612013"> CC2D2A </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/612013"> 612013 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/5/475?start=-3&limit=10&highlight=475"> 5q31.1 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/619879"> Meckel syndrome 14 </a>
</span>
</td>
<td>
<span class="mim-font">
<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>
<td>
<span class="mim-font">
<a href="/entry/619879"> 619879 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/617778"> TXNDC15 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/617778"> 617778 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/8/405?start=-3&limit=10&highlight=405"> 8q22.1 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/607361"> Meckel syndrome 3 </a>
</span>
</td>
<td>
<span class="mim-font">
<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>
<td>
<span class="mim-font">
<a href="/entry/607361"> 607361 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/609884"> TMEM67 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/609884"> 609884 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/11/455?start=-3&limit=10&highlight=455"> 11q12.2 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/603194"> Meckel syndrome 2 </a>
</span>
</td>
<td>
<span class="mim-font">
<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>
<td>
<span class="mim-font">
<a href="/entry/603194"> 603194 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/613277"> TMEM216 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/613277"> 613277 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/12/664?start=-3&limit=10&highlight=664"> 12q21.32 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/611134"> Meckel syndrome 4 </a>
</span>
</td>
<td>
<span class="mim-font">
<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>
<td>
<span class="mim-font">
<a href="/entry/611134"> 611134 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/610142"> CEP290 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/610142"> 610142 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/12/934?start=-3&limit=10&highlight=934"> 12q24.31 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/613885"> ?Meckel syndrome 8 </a>
</span>
</td>
<td>
<span class="mim-font">
<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>
<td>
<span class="mim-font">
<a href="/entry/613885"> 613885 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/613846"> TCTN2 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/613846"> 613846 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/16/436?start=-3&limit=10&highlight=436"> 16q12.2 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/611561"> Meckel syndrome 5 </a>
</span>
</td>
<td>
<span class="mim-font">
<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>
<td>
<span class="mim-font">
<a href="/entry/611561"> 611561 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/610937"> RPGRIP1L </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/610937"> 610937 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/16/652?start=-3&limit=10&highlight=652"> 16q23.1 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/615397"> Meckel syndrome 11 </a>
</span>
</td>
<td>
<span class="mim-font">
<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>
<td>
<span class="mim-font">
<a href="/entry/615397"> 615397 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/614949"> TMEM231 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/614949"> 614949 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/17/198?start=-3&limit=10&highlight=198"> 17p13.1 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/617562"> Meckel syndrome 13 </a>
</span>
</td>
<td>
<span class="mim-font">
<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>
<td>
<span class="mim-font">
<a href="/entry/617562"> 617562 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/616183"> TMEM107 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/616183"> 616183 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/17/198?start=-3&limit=10&highlight=198"> 17p13.1 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/617562"> ?Joubert syndrome 29 </a>
</span>
</td>
<td>
<span class="mim-font">
<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>
<td>
<span class="mim-font">
<a href="/entry/617562"> 617562 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/616183"> TMEM107 </a>
</span>
</td>
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<span class="mim-font">
<a href="/entry/616183"> 616183 </a>
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<a href="/geneMap/17/294?start=-3&limit=10&highlight=294"> 17p11.2 </a>
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<span class="mim-font">
<a href="/entry/614209"> ?Meckel syndrome 9 </a>
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<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal recessive">AR</abbr>
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<span class="mim-font">
<abbr class="mim-tip-hint" title="3 - The molecular basis of the disorder is known"> 3 </abbr>
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<span class="mim-font">
<a href="/entry/614209"> 614209 </a>
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<a href="/entry/614144"> B9D1 </a>
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<span class="mim-font">
<a href="/entry/614144"> 614144 </a>
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<a href="/geneMap/17/781?start=-3&limit=10&highlight=781"> 17q22 </a>
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<span class="mim-font">
<a href="/entry/249000"> Meckel syndrome 1 </a>
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<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal recessive">AR</abbr>
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<span class="mim-font">
<abbr class="mim-tip-hint" title="3 - The molecular basis of the disorder is known"> 3 </abbr>
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<span class="mim-font">
<a href="/entry/249000"> 249000 </a>
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<span class="mim-font">
<a href="/entry/609883"> MKS1 </a>
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<span class="mim-font">
<a href="/entry/609883"> 609883 </a>
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<a href="/geneMap/19/727?start=-3&limit=10&highlight=727"> 19q13.2 </a>
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<span class="mim-font">
<a href="/entry/614175"> Joubert syndrome 34 </a>
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<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal recessive">AR</abbr>
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<span class="mim-font">
<abbr class="mim-tip-hint" title="3 - The molecular basis of the disorder is known"> 3 </abbr>
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<a href="/entry/614175"> 614175 </a>
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<a href="/entry/611951"> B9D2 </a>
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<span class="mim-font">
<a href="/entry/611951"> 611951 </a>
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<span class="mim-font">
<a href="/geneMap/19/727?start=-3&limit=10&highlight=727"> 19q13.2 </a>
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<span class="mim-font">
<a href="/entry/614175"> ?Meckel syndrome 10 </a>
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<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal recessive">AR</abbr>
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<span class="mim-font">
<abbr class="mim-tip-hint" title="3 - The molecular basis of the disorder is known"> 3 </abbr>
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<span class="mim-font">
<a href="/entry/614175"> 614175 </a>
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<span class="mim-font">
<a href="/entry/611951"> B9D2 </a>
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<span class="mim-font">
<a href="/entry/611951"> 611951 </a>
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</table>
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<p>A number sign (#) is used with this entry because of evidence that Meckel syndrome type 2 (MKS2) is caused by homozygous mutation in the TMEM216 gene (<a href="/entry/613277">613277</a>) on chromosome 11q12.</p><p>Mutation in the TMEM216 gene also causes Joubert syndrome type 2 (JBTS2; <a href="/entry/608091">608091</a>).</p>
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<p>Meckel syndrome is a rare autosomal recessive lethal condition characterized by an occipital meningoencephalocele, enlarged kidneys with multicystic dysplasia and fibrotic changes in the portal area of the liver and with ductal proliferation, and postaxial polydactyly. For a more complete phenotypic description and information on genetic heterogeneity, see MKS1 (<a href="/entry/249000">249000</a>).</p>
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<p><a href="#7" class="mim-tip-reference" title="Valente, E. M., Logan, C. V., Mougou-Zerelli, S., Lee, J. H., Silhavy, J. L., Brancati, F., Iannicelli, M., Travaglini, L., Romani, S., Illi, B., Adams, M., Szymanska, K., and 39 others. &lt;strong&gt;Mutations in TMEM216 perturb ciliogenesis and cause Joubert, Meckel and related syndromes. (Letter)&lt;/strong&gt; Nature Genet. 42: 619-625, 2010.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/20512146/&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;20512146&lt;/a&gt;, &lt;a href=&quot;https://www.ncbi.nlm.nih.gov/pmc/?term=20512146[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.594&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="20512146">Valente et al. (2010)</a> reported 3 fetuses from 2 Tunisian families with Meckel syndrome-2. Common clinical features included cystic kidneys, polydactyly, bile duct proliferation, and bowing of the long bones. Two had meningocele, 1 had anencephaly, and 2 had cleft palate. One of the fetuses also had microphthalmia, intrauterine growth retardation, and hypoplastic external genitalia. Six affected fetuses of 3 Palestinian families were also affected. The most common clinical features included encephalocele, cystic kidneys, bile duct proliferation, and polydactyly. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=20512146" 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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<p>The transmission pattern of MKS2 in the families reported by <a href="#7" class="mim-tip-reference" title="Valente, E. M., Logan, C. V., Mougou-Zerelli, S., Lee, J. H., Silhavy, J. L., Brancati, F., Iannicelli, M., Travaglini, L., Romani, S., Illi, B., Adams, M., Szymanska, K., and 39 others. &lt;strong&gt;Mutations in TMEM216 perturb ciliogenesis and cause Joubert, Meckel and related syndromes. (Letter)&lt;/strong&gt; Nature Genet. 42: 619-625, 2010.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/20512146/&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;20512146&lt;/a&gt;, &lt;a href=&quot;https://www.ncbi.nlm.nih.gov/pmc/?term=20512146[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.594&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="20512146">Valente et al. (2010)</a> was consistent with autosomal recessive inheritance. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=20512146" 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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<div>
<a id="mapping" class="mim-anchor"></a>
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<strong>Mapping</strong>
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<p>The gene responsible for MKS in Finland (MKS1; <a href="/entry/609883">609883</a>) was mapped to chromosome 17q21-q24 by <a href="#3" class="mim-tip-reference" title="Paavola, P., Salonen, R., Weissenbach, J., Peltonen, L. &lt;strong&gt;The locus for Meckel syndrome with multiple congenital anomalies maps to chromosome 17q21-q24.&lt;/strong&gt; Nature Genet. 11: 213-215, 1995.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/7550354/&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;7550354&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1038/ng1095-213&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="7550354">Paavola et al. (1995)</a> who demonstrated that several non-Finnish families did not show linkage to 17q. Studying a subset of Middle Eastern and northern African MKS families, <a href="#5" class="mim-tip-reference" title="Roume, J., Genin, E., Cormier-Daire, V., Ma, H. W., Mehaye, B., Attie, T., Razavi-Encha, F., Fallet-Bianco, C., Buenerd, A., Clerget-Darpoux, F., Munnich, A., Le Merrer, M. &lt;strong&gt;A gene for Meckel syndrome maps to chromosome 11q13.&lt;/strong&gt; Am. J. Hum. Genet. 63: 1095-1101, 1998.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/9758620/&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;9758620&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1086/302062&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="9758620">Roume et al. (1998)</a> likewise excluded the disease gene from close proximity to the Finnish MKS gene (<a href="#6" class="mim-tip-reference" title="Roume, J., Ma, H. W., Le Merrer, M., Cormier-Daire, V., Girlich, D., Genin, E., Munnich, A. &lt;strong&gt;Genetic heterogeneity in Meckel syndrome.&lt;/strong&gt; J. Med. Genet. 34: 1003-1006, 1997.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/9429143/&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;9429143&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1136/jmg.34.12.1003&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="9429143">Roume et al., 1997</a>). <a href="https://pubmed.ncbi.nlm.nih.gov/?term=7550354+9429143+9758620" 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>By homozygosity mapping in 7 families that did not show linkage to 17q, <a href="#5" class="mim-tip-reference" title="Roume, J., Genin, E., Cormier-Daire, V., Ma, H. W., Mehaye, B., Attie, T., Razavi-Encha, F., Fallet-Bianco, C., Buenerd, A., Clerget-Darpoux, F., Munnich, A., Le Merrer, M. &lt;strong&gt;A gene for Meckel syndrome maps to chromosome 11q13.&lt;/strong&gt; Am. J. Hum. Genet. 63: 1095-1101, 1998.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/9758620/&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;9758620&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1086/302062&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="9758620">Roume et al. (1998)</a> mapped a second MKS locus (MKS2) to 11q13 (maximum lod score of 4.41 at a recombination fraction of 0.01). The affected fetuses of southern Tunisian ancestry shared a particular haplotype at D11S911 and D11S906, suggesting that a founder effect was involved. A subset of the affected fetuses harbored a severe cerebral phenotype first described by <a href="#1" class="mim-tip-reference" title="Ahdab-Barmada, M., Claassen, D. &lt;strong&gt;A distinctive triad malformations of the central nervous system in the Meckel-Gruber syndrome.&lt;/strong&gt; J. Neuropath. Exp. Neurol. 49: 610-620, 1990.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/2230839/&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;2230839&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1097/00005072-199011000-00007&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="2230839">Ahdab-Barmada and Claassen (1990)</a>. The observation supported the clinical and genetic heterogeneity of MKS. <a href="#5" class="mim-tip-reference" title="Roume, J., Genin, E., Cormier-Daire, V., Ma, H. W., Mehaye, B., Attie, T., Razavi-Encha, F., Fallet-Bianco, C., Buenerd, A., Clerget-Darpoux, F., Munnich, A., Le Merrer, M. &lt;strong&gt;A gene for Meckel syndrome maps to chromosome 11q13.&lt;/strong&gt; Am. J. Hum. Genet. 63: 1095-1101, 1998.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/9758620/&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;9758620&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1086/302062&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="9758620">Roume et al. (1998)</a> pointed out that the D11S911-D11S906 interval encompassing the disease gene also encompasses PHOX2A (ARIX; <a href="/entry/602753">602753</a>) (<a href="#2" class="mim-tip-reference" title="Merscher, S., Bekri, S., de Leeuw, B., Pedeutour, F., Grosgeorge, J., Shows, T. B., Mullenbach, R., Le Paslier, D., Nowak, N. J., Gaudray, P. &lt;strong&gt;A 5.5-Mb high-resolution integrated map of distal 11q13.&lt;/strong&gt; Genomics 39: 340-347, 1997.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/9119371/&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;9119371&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1006/geno.1996.4460&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="9119371">Merscher et al., 1997</a>), a gene strongly expressed in the mouse hindbrain (<a href="#4" class="mim-tip-reference" title="Pattyn, A., Morin, X., Cremer, H., Goridis, C., Brunet, J. F. &lt;strong&gt;Expression and interaction of the two closely related homeobox genes Phox2a and Phox2b during neurogenesis.&lt;/strong&gt; Development 124: 4065-4075, 1997.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/9374403/&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;9374403&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1242/dev.124.20.4065&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="9374403">Pattyn et al., 1997</a>). <a href="https://pubmed.ncbi.nlm.nih.gov/?term=2230839+9374403+9119371+9758620" 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 reanalysis of families with Meckel syndrome mapping to chromosome 11q13, <a href="#7" class="mim-tip-reference" title="Valente, E. M., Logan, C. V., Mougou-Zerelli, S., Lee, J. H., Silhavy, J. L., Brancati, F., Iannicelli, M., Travaglini, L., Romani, S., Illi, B., Adams, M., Szymanska, K., and 39 others. &lt;strong&gt;Mutations in TMEM216 perturb ciliogenesis and cause Joubert, Meckel and related syndromes. (Letter)&lt;/strong&gt; Nature Genet. 42: 619-625, 2010.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/20512146/&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;20512146&lt;/a&gt;, &lt;a href=&quot;https://www.ncbi.nlm.nih.gov/pmc/?term=20512146[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.594&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="20512146">Valente et al. (2010)</a> assigned the MKS2 locus to a region between <a href="https://www.ensembl.org/Homo_sapiens/Variation/Summary?v=rs1113480;toggle_HGVS_names=open" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'dbSNP\', \'domain\': \'ensembl.org\'})">rs1113480</a> and <a href="https://www.ensembl.org/Homo_sapiens/Variation/Summary?v=rs953894;toggle_HGVS_names=open" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'dbSNP\', \'domain\': \'ensembl.org\'})">rs953894</a>, indicating possible allelism with JBTS2. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=20512146" 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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<div>
<a id="molecularGenetics" class="mim-anchor"></a>
<h4 href="#mimMolecularGeneticsFold" id="mimMolecularGeneticsToggle" class="mimTriangleToggle" style="cursor: pointer;" data-toggle="collapse">
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<strong>Molecular Genetics</strong>
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<p>In 3 fetuses from 2 Tunisian families with Meckel syndrome-2, <a href="#7" class="mim-tip-reference" title="Valente, E. M., Logan, C. V., Mougou-Zerelli, S., Lee, J. H., Silhavy, J. L., Brancati, F., Iannicelli, M., Travaglini, L., Romani, S., Illi, B., Adams, M., Szymanska, K., and 39 others. &lt;strong&gt;Mutations in TMEM216 perturb ciliogenesis and cause Joubert, Meckel and related syndromes. (Letter)&lt;/strong&gt; Nature Genet. 42: 619-625, 2010.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/20512146/&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;20512146&lt;/a&gt;, &lt;a href=&quot;https://www.ncbi.nlm.nih.gov/pmc/?term=20512146[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.594&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="20512146">Valente et al. (2010)</a> identified a homozygous 341T-G mutation in the TMEM216 gene (L114R; <a href="/entry/613277#0003">613277.0003</a>). Haplotype analysis indicated a common founder for the 2 families. Six affected fetuses of 3 Palestinian families with Meckel syndrome-2 had a different truncating mutation in the TMEM216 gene (<a href="/entry/613277#0004">613277.0004</a>). Haplotype analysis showed that 2 of the Palestinian families were related. Overall, 3 different TMEM216 mutations were found in 6 families with MKS2, and 4 different TMEM216 mutations were found in 14 families with Joubert syndrome-2 (JBTS2; <a href="/entry/608091">608091</a>), indicating that these disorders are allelic. A Turkish family had 2 affected patients: 1 with Joubert syndrome and a fetus with Meckel syndrome, indicating that the 2 clinical disorders are part of the same spectrum. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=20512146" 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="seeAlso" class="mim-anchor"></a>
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<strong>See Also:</strong>
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<a href="#Verloes1992" class="mim-tip-reference" title="Verloes, A., Gillerot, Y., Langhendries, J.-P., Fryns, J.-P., Koulischer, L. &lt;strong&gt;Variability versus heterogeneity in syndromal hypothalamic hamartoblastoma and related disorders: review and delineation of the cerebro-acro-visceral early lethality (CAVE) multiplex syndrome.&lt;/strong&gt; Am. J. Med. Genet. 43: 669-677, 1992.">Verloes et al. (1992)</a>
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<a id="references"class="mim-anchor"></a>
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<strong>REFERENCES</strong>
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<a id="1" class="mim-anchor"></a>
<a id="Ahdab-Barmada1990" class="mim-anchor"></a>
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Ahdab-Barmada, M., Claassen, D.
<strong>A distinctive triad malformations of the central nervous system in the Meckel-Gruber syndrome.</strong>
J. Neuropath. Exp. Neurol. 49: 610-620, 1990.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/2230839/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">2230839</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=2230839" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">related citations</a>]
[<a href="https://doi.org/10.1097/00005072-199011000-00007" target="_blank">Full Text</a>]
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<a id="Merscher1997" class="mim-anchor"></a>
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Merscher, S., Bekri, S., de Leeuw, B., Pedeutour, F., Grosgeorge, J., Shows, T. B., Mullenbach, R., Le Paslier, D., Nowak, N. J., Gaudray, P.
<strong>A 5.5-Mb high-resolution integrated map of distal 11q13.</strong>
Genomics 39: 340-347, 1997.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/9119371/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">9119371</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=9119371" 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.1996.4460" target="_blank">Full Text</a>]
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<a id="Paavola1995" class="mim-anchor"></a>
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<p class="mim-text-font">
Paavola, P., Salonen, R., Weissenbach, J., Peltonen, L.
<strong>The locus for Meckel syndrome with multiple congenital anomalies maps to chromosome 17q21-q24.</strong>
Nature Genet. 11: 213-215, 1995.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/7550354/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">7550354</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=7550354" 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/ng1095-213" target="_blank">Full Text</a>]
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<a id="4" class="mim-anchor"></a>
<a id="Pattyn1997" class="mim-anchor"></a>
<div class="">
<p class="mim-text-font">
Pattyn, A., Morin, X., Cremer, H., Goridis, C., Brunet, J. F.
<strong>Expression and interaction of the two closely related homeobox genes Phox2a and Phox2b during neurogenesis.</strong>
Development 124: 4065-4075, 1997.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/9374403/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">9374403</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=9374403" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">related citations</a>]
[<a href="https://doi.org/10.1242/dev.124.20.4065" target="_blank">Full Text</a>]
</p>
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<a id="Roume1998" class="mim-anchor"></a>
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<p class="mim-text-font">
Roume, J., Genin, E., Cormier-Daire, V., Ma, H. W., Mehaye, B., Attie, T., Razavi-Encha, F., Fallet-Bianco, C., Buenerd, A., Clerget-Darpoux, F., Munnich, A., Le Merrer, M.
<strong>A gene for Meckel syndrome maps to chromosome 11q13.</strong>
Am. J. Hum. Genet. 63: 1095-1101, 1998.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/9758620/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">9758620</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=9758620" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">related citations</a>]
[<a href="https://doi.org/10.1086/302062" target="_blank">Full Text</a>]
</p>
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<a id="6" class="mim-anchor"></a>
<a id="Roume1997" class="mim-anchor"></a>
<div class="">
<p class="mim-text-font">
Roume, J., Ma, H. W., Le Merrer, M., Cormier-Daire, V., Girlich, D., Genin, E., Munnich, A.
<strong>Genetic heterogeneity in Meckel syndrome.</strong>
J. Med. Genet. 34: 1003-1006, 1997.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/9429143/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">9429143</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=9429143" 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/jmg.34.12.1003" target="_blank">Full Text</a>]
</p>
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<a id="7" class="mim-anchor"></a>
<a id="Valente2010" class="mim-anchor"></a>
<div class="">
<p class="mim-text-font">
Valente, E. M., Logan, C. V., Mougou-Zerelli, S., Lee, J. H., Silhavy, J. L., Brancati, F., Iannicelli, M., Travaglini, L., Romani, S., Illi, B., Adams, M., Szymanska, K., and 39 others.
<strong>Mutations in TMEM216 perturb ciliogenesis and cause Joubert, Meckel and related syndromes. (Letter)</strong>
Nature Genet. 42: 619-625, 2010.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/20512146/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">20512146</a>, <a href="https://www.ncbi.nlm.nih.gov/pmc/?term=20512146[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=20512146" 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.594" target="_blank">Full Text</a>]
</p>
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<a id="8" class="mim-anchor"></a>
<a id="Verloes1992" class="mim-anchor"></a>
<div class="">
<p class="mim-text-font">
Verloes, A., Gillerot, Y., Langhendries, J.-P., Fryns, J.-P., Koulischer, L.
<strong>Variability versus heterogeneity in syndromal hypothalamic hamartoblastoma and related disorders: review and delineation of the cerebro-acro-visceral early lethality (CAVE) multiplex syndrome.</strong>
Am. J. Med. Genet. 43: 669-677, 1992.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/1621756/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">1621756</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=1621756" 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/ajmg.1320430404" target="_blank">Full Text</a>]
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Cassandra L. Kniffin - updated : 9/7/2010
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Victor A. McKusick - updated : 1/3/2007
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Victor A. McKusick : 10/23/1998
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carol : 03/14/2022
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alopez : 07/14/2021<br>ckniffin : 04/13/2015<br>wwang : 9/14/2010<br>ckniffin : 9/7/2010<br>wwang : 7/20/2010<br>terry : 1/3/2007<br>mgross : 3/17/2004<br>carol : 11/19/2002<br>ckniffin : 11/19/2002<br>carol : 11/17/1999<br>carol : 11/17/1999<br>dkim : 11/13/1998<br>carol : 10/23/1998
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<strong>#</strong> 603194
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MECKEL SYNDROME, TYPE 2; MKS2
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<em>Alternative titles; symbols</em>
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MECKEL-GRUBER SYNDROME, TYPE 2
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<strong>ORPHA:</strong> 564; &nbsp;
<strong>DO:</strong> 0070116; &nbsp;
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<strong>Phenotype-Gene Relationships</strong>
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Location
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Phenotype
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Phenotype <br /> MIM number
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Inheritance
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Phenotype <br /> mapping key
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Gene/Locus
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Gene/Locus <br /> MIM number
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11q12.2
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Meckel syndrome 2
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603194
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Autosomal recessive
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3
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TMEM216
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613277
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<span class="mim-font">
<strong>TEXT</strong>
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<p>A number sign (#) is used with this entry because of evidence that Meckel syndrome type 2 (MKS2) is caused by homozygous mutation in the TMEM216 gene (613277) on chromosome 11q12.</p><p>Mutation in the TMEM216 gene also causes Joubert syndrome type 2 (JBTS2; 608091).</p>
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<strong>Description</strong>
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<p>Meckel syndrome is a rare autosomal recessive lethal condition characterized by an occipital meningoencephalocele, enlarged kidneys with multicystic dysplasia and fibrotic changes in the portal area of the liver and with ductal proliferation, and postaxial polydactyly. For a more complete phenotypic description and information on genetic heterogeneity, see MKS1 (249000).</p>
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<strong>Clinical Features</strong>
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<p>Valente et al. (2010) reported 3 fetuses from 2 Tunisian families with Meckel syndrome-2. Common clinical features included cystic kidneys, polydactyly, bile duct proliferation, and bowing of the long bones. Two had meningocele, 1 had anencephaly, and 2 had cleft palate. One of the fetuses also had microphthalmia, intrauterine growth retardation, and hypoplastic external genitalia. Six affected fetuses of 3 Palestinian families were also affected. The most common clinical features included encephalocele, cystic kidneys, bile duct proliferation, and polydactyly. </p>
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<strong>Inheritance</strong>
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<p>The transmission pattern of MKS2 in the families reported by Valente et al. (2010) was consistent with autosomal recessive inheritance. </p>
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<strong>Mapping</strong>
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<p>The gene responsible for MKS in Finland (MKS1; 609883) was mapped to chromosome 17q21-q24 by Paavola et al. (1995) who demonstrated that several non-Finnish families did not show linkage to 17q. Studying a subset of Middle Eastern and northern African MKS families, Roume et al. (1998) likewise excluded the disease gene from close proximity to the Finnish MKS gene (Roume et al., 1997). </p><p>By homozygosity mapping in 7 families that did not show linkage to 17q, Roume et al. (1998) mapped a second MKS locus (MKS2) to 11q13 (maximum lod score of 4.41 at a recombination fraction of 0.01). The affected fetuses of southern Tunisian ancestry shared a particular haplotype at D11S911 and D11S906, suggesting that a founder effect was involved. A subset of the affected fetuses harbored a severe cerebral phenotype first described by Ahdab-Barmada and Claassen (1990). The observation supported the clinical and genetic heterogeneity of MKS. Roume et al. (1998) pointed out that the D11S911-D11S906 interval encompassing the disease gene also encompasses PHOX2A (ARIX; 602753) (Merscher et al., 1997), a gene strongly expressed in the mouse hindbrain (Pattyn et al., 1997). </p><p>In a reanalysis of families with Meckel syndrome mapping to chromosome 11q13, Valente et al. (2010) assigned the MKS2 locus to a region between rs1113480 and rs953894, indicating possible allelism with JBTS2. </p>
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<strong>Molecular Genetics</strong>
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<p>In 3 fetuses from 2 Tunisian families with Meckel syndrome-2, Valente et al. (2010) identified a homozygous 341T-G mutation in the TMEM216 gene (L114R; 613277.0003). Haplotype analysis indicated a common founder for the 2 families. Six affected fetuses of 3 Palestinian families with Meckel syndrome-2 had a different truncating mutation in the TMEM216 gene (613277.0004). Haplotype analysis showed that 2 of the Palestinian families were related. Overall, 3 different TMEM216 mutations were found in 6 families with MKS2, and 4 different TMEM216 mutations were found in 14 families with Joubert syndrome-2 (JBTS2; 608091), indicating that these disorders are allelic. A Turkish family had 2 affected patients: 1 with Joubert syndrome and a fetus with Meckel syndrome, indicating that the 2 clinical disorders are part of the same spectrum. </p>
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<strong>See Also:</strong>
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<span class="mim-text-font">
Verloes et al. (1992)
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<strong>REFERENCES</strong>
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<ol>
<li>
<p class="mim-text-font">
Ahdab-Barmada, M., Claassen, D.
<strong>A distinctive triad malformations of the central nervous system in the Meckel-Gruber syndrome.</strong>
J. Neuropath. Exp. Neurol. 49: 610-620, 1990.
[PubMed: 2230839]
[Full Text: https://doi.org/10.1097/00005072-199011000-00007]
</p>
</li>
<li>
<p class="mim-text-font">
Merscher, S., Bekri, S., de Leeuw, B., Pedeutour, F., Grosgeorge, J., Shows, T. B., Mullenbach, R., Le Paslier, D., Nowak, N. J., Gaudray, P.
<strong>A 5.5-Mb high-resolution integrated map of distal 11q13.</strong>
Genomics 39: 340-347, 1997.
[PubMed: 9119371]
[Full Text: https://doi.org/10.1006/geno.1996.4460]
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</li>
<li>
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Paavola, P., Salonen, R., Weissenbach, J., Peltonen, L.
<strong>The locus for Meckel syndrome with multiple congenital anomalies maps to chromosome 17q21-q24.</strong>
Nature Genet. 11: 213-215, 1995.
[PubMed: 7550354]
[Full Text: https://doi.org/10.1038/ng1095-213]
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<li>
<p class="mim-text-font">
Pattyn, A., Morin, X., Cremer, H., Goridis, C., Brunet, J. F.
<strong>Expression and interaction of the two closely related homeobox genes Phox2a and Phox2b during neurogenesis.</strong>
Development 124: 4065-4075, 1997.
[PubMed: 9374403]
[Full Text: https://doi.org/10.1242/dev.124.20.4065]
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<li>
<p class="mim-text-font">
Roume, J., Genin, E., Cormier-Daire, V., Ma, H. W., Mehaye, B., Attie, T., Razavi-Encha, F., Fallet-Bianco, C., Buenerd, A., Clerget-Darpoux, F., Munnich, A., Le Merrer, M.
<strong>A gene for Meckel syndrome maps to chromosome 11q13.</strong>
Am. J. Hum. Genet. 63: 1095-1101, 1998.
[PubMed: 9758620]
[Full Text: https://doi.org/10.1086/302062]
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<li>
<p class="mim-text-font">
Roume, J., Ma, H. W., Le Merrer, M., Cormier-Daire, V., Girlich, D., Genin, E., Munnich, A.
<strong>Genetic heterogeneity in Meckel syndrome.</strong>
J. Med. Genet. 34: 1003-1006, 1997.
[PubMed: 9429143]
[Full Text: https://doi.org/10.1136/jmg.34.12.1003]
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<li>
<p class="mim-text-font">
Valente, E. M., Logan, C. V., Mougou-Zerelli, S., Lee, J. H., Silhavy, J. L., Brancati, F., Iannicelli, M., Travaglini, L., Romani, S., Illi, B., Adams, M., Szymanska, K., and 39 others.
<strong>Mutations in TMEM216 perturb ciliogenesis and cause Joubert, Meckel and related syndromes. (Letter)</strong>
Nature Genet. 42: 619-625, 2010.
[PubMed: 20512146]
[Full Text: https://doi.org/10.1038/ng.594]
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</li>
<li>
<p class="mim-text-font">
Verloes, A., Gillerot, Y., Langhendries, J.-P., Fryns, J.-P., Koulischer, L.
<strong>Variability versus heterogeneity in syndromal hypothalamic hamartoblastoma and related disorders: review and delineation of the cerebro-acro-visceral early lethality (CAVE) multiplex syndrome.</strong>
Am. J. Med. Genet. 43: 669-677, 1992.
[PubMed: 1621756]
[Full Text: https://doi.org/10.1002/ajmg.1320430404]
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Cassandra L. Kniffin - updated : 9/7/2010<br>Victor A. McKusick - updated : 1/3/2007
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