nih-gov/www.ncbi.nlm.nih.gov/omim/616209

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<title>
Entry
- #616209 - MYOPATHY, ISOLATED MITOCHONDRIAL, AUTOSOMAL DOMINANT; IMMD
- OMIM
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<span class="h4">#616209</span>
<br />
<strong>Table of Contents</strong>
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<a href="#title"><strong>Title</strong></a>
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<a href="#phenotypeMap"><strong>Phenotype-Gene Relationships</strong></a>
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<li role="presentation">
<a href="/clinicalSynopsis/616209"><strong>Clinical Synopsis</strong></a>
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<a href="#text"><strong>Text</strong></a>
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<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="#molecularGenetics">Molecular Genetics</a>
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<li role="presentation" style="margin-left: 1em">
<a href="#animalModel">Animal Model</a>
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<li role="presentation">
<a href="#references"><strong>References</strong></a>
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<li role="presentation">
<a href="#contributors"><strong>Contributors</strong></a>
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<li role="presentation">
<a href="#creationDate"><strong>Creation Date</strong></a>
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<div><a href="https://clinicaltrials.gov/search?cond=MYOPATHY, ISOLATED MITOCHONDRIAL, AUTOSOMAL DOMINANT" class="mim-tip-hint" title="A registry of federally and privately supported clinical trials conducted in the United States and around the world." 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=23691&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.ncbi.nlm.nih.gov/books/NBK304142/" class="mim-tip-hint" title="Expert-authored, peer-reviewed descriptions of inherited disorders including the uses of genetic testing in diagnosis, management, and genetic counseling." target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'Gene Reviews', 'domain': 'ncbi.nlm.nih.gov'})">Gene Reviews</a></div>
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<div><a href="https://www.alliancegenome.org/disease/DOID:0081357" 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>
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<div><a href="https://wormbase.org/resources/disease/DOID:0081357" 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>
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</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> 1222644009<br />
<strong>ORPHA:</strong> 457050<br />
<strong>DO:</strong> 0081357<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>
616209
</span>
</span>
</div>
</div>
<div>
<a id="preferredTitle" class="mim-anchor"></a>
<h3>
<span class="mim-font">
MYOPATHY, ISOLATED MITOCHONDRIAL, AUTOSOMAL DOMINANT; IMMD
</span>
</h3>
</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/22/101?start=-3&limit=10&highlight=101">
22q11.23
</a>
</span>
</td>
<td>
<span class="mim-font">
?Myopathy, isolated mitochondrial, autosomal dominant
<span class="mim-tip-hint" title="A question mark (?) indicates that the relationship between the phenotype and gene is provisional">
<span class="glyphicon glyphicon-question-sign" aria-hidden="true"></span>
</span>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/616209"> 616209 </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>
<td>
<span class="mim-font">
CHCHD10
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/615903"> 615903 </a>
</span>
</td>
</tr>
</tbody>
</table>
</div>
</div>
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<a href="/clinicalSynopsis/616209" 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')">
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&nbsp;
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<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/616209" target="_blank" onclick="gtag('event', 'mim_graph', {'destination': 'Linear'})"> Linear </a></li>
<li><a href="/graph/radial/616209" 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 dominant <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/263681008" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">263681008</a>, <a href="https://purl.bioontology.org/ontology/SNOMEDCT/771269000" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">771269000</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0443147&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0443147</a>, <a href="https://bioportal.bioontology.org/search?q=C1867440&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C1867440</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000006" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000006</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000006" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000006</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> Height </em>
</span>
</div>
<div style="margin-left: 2em;">
<span class="mim-font">
- Short stature (in some patients) <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/422065006" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">422065006</a>, <a href="https://purl.bioontology.org/ontology/SNOMEDCT/237836003" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">237836003</a>, <a href="https://purl.bioontology.org/ontology/SNOMEDCT/237837007" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">237837007</a>]</span> <span class="mim-feature-ids hidden">[ICD10CM: <a href="https://purl.bioontology.org/ontology/ICD10CM/E34.31" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD10CM\', \'domain\': \'bioontology.org\'})">E34.31</a>, <a href="https://purl.bioontology.org/ontology/ICD10CM/R62.52" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD10CM\', \'domain\': \'bioontology.org\'})">R62.52</a>]</span> <span class="mim-feature-ids hidden">[ICD9CM: <a href="https://purl.bioontology.org/ontology/ICD9CM/783.43" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD9CM\', \'domain\': \'bioontology.org\'})">783.43</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0349588&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0349588</a>, <a href="https://bioportal.bioontology.org/search?q=C0013336&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0013336</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0003510" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0003510</a>, <a href="https://hpo.jax.org/app/browse/term/HP:0004322" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0004322</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0004322" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0004322</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> Face </em>
</span>
</div>
<div style="margin-left: 2em;">
<span class="mim-font">
- Facial weakness <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/95666008" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">95666008</a>]</span> <span class="mim-feature-ids hidden">[ICD10CM: <a href="https://purl.bioontology.org/ontology/ICD10CM/R29.810" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD10CM\', \'domain\': \'bioontology.org\'})">R29.810</a>]</span> <span class="mim-feature-ids hidden">[ICD9CM: <a href="https://purl.bioontology.org/ontology/ICD9CM/438.83" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD9CM\', \'domain\': \'bioontology.org\'})">438.83</a>, <a href="https://purl.bioontology.org/ontology/ICD9CM/781.94" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD9CM\', \'domain\': \'bioontology.org\'})">781.94</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0427055&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0427055</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0007209" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0007209</a>, <a href="https://hpo.jax.org/app/browse/term/HP:0030319" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0030319</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0030319" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0030319</a>]</span><br />
</span>
</div>
</div>
<div>
<div>
<span class="h5 mim-font">
<em> Neck </em>
</span>
</div>
<div style="margin-left: 2em;">
<span class="mim-font">
- Neck flexor weakness <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C1843637&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C1843637</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0003722" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0003722</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0003722" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0003722</a>]</span><br />
</span>
</div>
</div>
</div>
</div>
<div>
<div>
<span class="h5 mim-font">
<strong> CARDIOVASCULAR </strong>
</span>
</div>
<div style="margin-left: 2em;">
<div>
<div>
<span class="h5 mim-font">
<em> Heart </em>
</span>
</div>
<div style="margin-left: 2em;">
<span class="mim-font">
- Cardiomyopathy (1 family) <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/85898001" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">85898001</a>, <a href="https://purl.bioontology.org/ontology/SNOMEDCT/57809008" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">57809008</a>]</span> <span class="mim-feature-ids hidden">[ICD10CM: <a href="https://purl.bioontology.org/ontology/ICD10CM/I51.5" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD10CM\', \'domain\': \'bioontology.org\'})">I51.5</a>, <a href="https://purl.bioontology.org/ontology/ICD10CM/I42" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD10CM\', \'domain\': \'bioontology.org\'})">I42</a>, <a href="https://purl.bioontology.org/ontology/ICD10CM/I42.9" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD10CM\', \'domain\': \'bioontology.org\'})">I42.9</a>]</span> <span class="mim-feature-ids hidden">[ICD9CM: <a href="https://purl.bioontology.org/ontology/ICD9CM/425" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD9CM\', \'domain\': \'bioontology.org\'})">425</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0878544&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0878544</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0001638" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0001638</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0001638" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0001638</a>]</span><br />
</span>
</div>
</div>
</div>
</div>
<div>
<div>
<span class="h5 mim-font">
<strong> RESPIRATORY </strong>
</span>
</div>
<div style="margin-left: 2em;">
<div>
<span class="mim-font">
- Restrictive pulmonary function <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C3806472&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C3806472</a>]</span><br />
</span>
</div>
</div>
</div>
<div>
<div>
<span class="h5 mim-font">
<strong> MUSCLE, SOFT TISSUES </strong>
</span>
</div>
<div style="margin-left: 2em;">
<div>
<span class="mim-font">
- Exercise intolerance <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/267044007" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">267044007</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0424551&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0424551</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0003546" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0003546</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0003546" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0003546</a>]</span><br /> -
Muscle weakness, proximal, lower limbs (upper limbs may become affected later) <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C4015514&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C4015514</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0008994" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0008994</a>]</span><br /> -
Distal muscle weakness occurs later <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C1842065&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C1842065</a>]</span><br /> -
Ragged red fibers seen on muscle biopsy <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C3151935&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C3151935</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0003200" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0003200</a>]</span><br /> -
Increased mitochondria with abnormal cristae <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C4015515&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C4015515</a>]</span><br /> -
Variably decreased activities of mitochondrial respiratory complexes I, II, and IV <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C4015516&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C4015516</a>]</span><br /> -
Excess lipid droplets in type I fibers <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C5775364&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C5775364</a>]</span><br /> -
mtDNA deletions <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C4313882&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C4313882</a>]</span><br />
</span>
</div>
</div>
</div>
<div>
<div>
<span class="h5 mim-font">
<strong> LABORATORY ABNORMALITIES </strong>
</span>
</div>
<div style="margin-left: 2em;">
<div>
<span class="mim-font">
- Increased serum lactate <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C5888306&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C5888306</a>, <a href="https://bioportal.bioontology.org/search?q=C1836440&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C1836440</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0002151" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0002151</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0002151" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0002151</a>]</span><br /> -
Increased serum creatine kinase <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0241005&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0241005</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0003236" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0003236</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0003236" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0003236</a>]</span><br />
</span>
</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">
- Onset in the first decade<br /> -
Progressive <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/252157006" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">252157006</a>, <a href="https://purl.bioontology.org/ontology/SNOMEDCT/255314001" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">255314001</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0205329&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0205329</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0003676" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0003676</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0003676" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0003676</a>]</span><br /> -
Phenotypic heterogeneity<br /> -
Early death from cardiomyopathy may occur<br /> -
Two unrelated families have been reported (last curated August 2022)<br />
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<strong> MOLECULAR BASIS </strong>
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- Caused by mutation in the coiled-coil-helix-coiled-coil-helix domain-containing protein 10 gene (CHCHD10, <a href="/entry/615903#0004">615903.0004</a>)<br />
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<p>A number sign (#) is used with this entry because of evidence that autosomal dominant isolated mitochondrial myopathy (IMMD) is caused by heterozygous mutation in the CHCHD10 gene (<a href="/entry/615903">615903</a>) on chromosome 22q11.</p>
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<p>Autosomal dominant isolated mitochondrial myopathy (IMMD) is characterized by onset of proximal lower limb weakness and exercise intolerance in the first decade of life. The disorder is slowly progressive, with later involvement of facial muscles, muscles of the upper limbs, and distal muscles. Patients may also have respiratory compromise (<a href="#2" class="mim-tip-reference" title="Heiman-Patterson, T. D., Argov, Z., Chavin, J. M., Kalman, B., Alder, H., DiMauro, S., Bank, W., Tahmoush, A. J. &lt;strong&gt;Biochemical and genetic studies in a family with mitochondrial myopathy.&lt;/strong&gt; Muscle Nerve 20: 1219-1224, 1997.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/9324076/&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;9324076&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1002/(sici)1097-4598(199710)20:10&lt;1219::aid-mus2&gt;3.0.co;2-f&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="9324076">Heiman-Patterson et al., 1997</a>) or develop severe fatal cardiomyopathy (<a href="#4" class="mim-tip-reference" title="Shammas, M. K., Huang, X., Wu, B. P., Fessler, E., Song, I. Y., Randolph, N. P., Li, Y., Bleck, C. K., Springer, D. A., Fratter, C., Barbosa, I. A., Powers, A. F., Quiros, P. M., Lopez-Otin, C., Jae, L. T., Poulton, J., Narendra, D. P. &lt;strong&gt;OMA1 mediates local and global stress responses against protein misfolding in CHCHD10 mitochondrial myopathy.&lt;/strong&gt; J. Clin. Invest. 132: e157504, 2022.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/35700042/&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;35700042&lt;/a&gt;, &lt;a href=&quot;https://www.ncbi.nlm.nih.gov/pmc/?term=35700042[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/10.1172/JCI157504&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="35700042">Shammas et al., 2022</a>). <a href="https://pubmed.ncbi.nlm.nih.gov/?term=35700042+9324076" 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><a href="#2" class="mim-tip-reference" title="Heiman-Patterson, T. D., Argov, Z., Chavin, J. M., Kalman, B., Alder, H., DiMauro, S., Bank, W., Tahmoush, A. J. &lt;strong&gt;Biochemical and genetic studies in a family with mitochondrial myopathy.&lt;/strong&gt; Muscle Nerve 20: 1219-1224, 1997.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/9324076/&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;9324076&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1002/(sici)1097-4598(199710)20:10&lt;1219::aid-mus2&gt;3.0.co;2-f&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="9324076">Heiman-Patterson et al. (1997)</a> reported a 5-generation family of Puerto Rican descent in which 15 members had childhood onset of slowly progressive exercise intolerance and proximal lower limb muscle weakness. Neck flexor, shoulder girdle, and distal leg muscles became affected in the second decade, and mild facial weakness appeared in the third to fourth decades. All patients had moderate to severe restrictive lung function, but no cardiac involvement. Short stature was also present. Cognitive, sensory, and cerebellar function were normal. Laboratory studies showed lactic acidemia and increased serum creatine kinase. EMG showed a myopathic pattern. Muscle biopsy of 3 patients showed ragged-red fibers and increased numbers of mitochondria with abnormal cristae and globular mitochondrial inclusions. Two patients studied showed variable decreases in activity of mitochondrial complexes II, III, and IV. Six patients treated with steroids reported clinical improvement. In 1 patient, Southern blot analysis excluded large scale rearrangements of mitochondrial DNA, and sequencing of several candidate mitochondrial genes did not reveal any mutations. In a follow-up of the patients reported by <a href="#2" class="mim-tip-reference" title="Heiman-Patterson, T. D., Argov, Z., Chavin, J. M., Kalman, B., Alder, H., DiMauro, S., Bank, W., Tahmoush, A. J. &lt;strong&gt;Biochemical and genetic studies in a family with mitochondrial myopathy.&lt;/strong&gt; Muscle Nerve 20: 1219-1224, 1997.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/9324076/&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;9324076&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1002/(sici)1097-4598(199710)20:10&lt;1219::aid-mus2&gt;3.0.co;2-f&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="9324076">Heiman-Patterson et al. (1997)</a>, <a href="#1" class="mim-tip-reference" title="Ajroud-Driss, S., Fecto, F., Ajroud, K., Lalani, I., Calvo, S. E., Mootha, V. K., Deng, H.-X., Siddique, N., Tahmoush, A. J., Heiman-Patterson, T. D., Siddique, T. &lt;strong&gt;Mutation in the novel nuclear-encoded mitochondrial protein CHCHD10 in a family with autosomal dominant mitochondrial myopathy.&lt;/strong&gt; Neurogenetics 16: 1-9, 2015.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/25193783/&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;25193783&lt;/a&gt;, &lt;a href=&quot;https://www.ncbi.nlm.nih.gov/pmc/?term=25193783[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/10.1007/s10048-014-0421-1&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="25193783">Ajroud-Driss et al. (2015)</a> noted that skeletal muscle biopsies also showed glycogen and lipid accumulation. <a href="https://pubmed.ncbi.nlm.nih.gov/?term=25193783+9324076" 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="#4" class="mim-tip-reference" title="Shammas, M. K., Huang, X., Wu, B. P., Fessler, E., Song, I. Y., Randolph, N. P., Li, Y., Bleck, C. K., Springer, D. A., Fratter, C., Barbosa, I. A., Powers, A. F., Quiros, P. M., Lopez-Otin, C., Jae, L. T., Poulton, J., Narendra, D. P. &lt;strong&gt;OMA1 mediates local and global stress responses against protein misfolding in CHCHD10 mitochondrial myopathy.&lt;/strong&gt; J. Clin. Invest. 132: e157504, 2022.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/35700042/&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;35700042&lt;/a&gt;, &lt;a href=&quot;https://www.ncbi.nlm.nih.gov/pmc/?term=35700042[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/10.1172/JCI157504&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="35700042">Shammas et al. (2022)</a> reported a family (family UK) in which a mother and her 2 sons had myopathy and fatal cardiomyopathy. The mother had been reported as a child with a mitochondrial myopathy by <a href="#3" class="mim-tip-reference" title="Salmon, M. A., Esiri, M. M., Ruderman, N. B. &lt;strong&gt;Myopathic disorder associated with mitochondrial abnormalities, hyperglycaemia, and hyperketonaemia.&lt;/strong&gt; Lancet 2: 290-2, 1971.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/4104978/&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;4104978&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1016/s0140-6736(71)91335-3&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="4104978">Salmon et al. (1971)</a>. Similar to his mother, one of her sons (the proband) had childhood-onset myopathy with delayed motor milestones, inability to walk or run, positive Gowers sign, frequent falls, and lax ligaments. By 20 years of age, this patient was wheelchair-bound and had received a heart transplant due to progressive cardiomyopathy. He died of lymphoma soon afterwards. The mother died at age 34 years, presumably from cardiomyopathy, and a brother with myopathy and cardiomyopathy had died in childhood. Skeletal muscle biopsy from the proband showed excess lipid droplets in type I fibers, mtDNA deletions, and decreased activities of OXPHOS complexes II-III and IV, suggesting a mitochondrial defect. <a href="https://pubmed.ncbi.nlm.nih.gov/?term=35700042+4104978" 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 isolated mitochondrial myopathy in the family reported by <a href="#2" class="mim-tip-reference" title="Heiman-Patterson, T. D., Argov, Z., Chavin, J. M., Kalman, B., Alder, H., DiMauro, S., Bank, W., Tahmoush, A. J. &lt;strong&gt;Biochemical and genetic studies in a family with mitochondrial myopathy.&lt;/strong&gt; Muscle Nerve 20: 1219-1224, 1997.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/9324076/&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;9324076&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1002/(sici)1097-4598(199710)20:10&lt;1219::aid-mus2&gt;3.0.co;2-f&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="9324076">Heiman-Patterson et al. (1997)</a> was consistent with autosomal dominant inheritance. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=9324076" 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>In affected members of the family with isolated mitochondrial myopathy reported by <a href="#2" class="mim-tip-reference" title="Heiman-Patterson, T. D., Argov, Z., Chavin, J. M., Kalman, B., Alder, H., DiMauro, S., Bank, W., Tahmoush, A. J. &lt;strong&gt;Biochemical and genetic studies in a family with mitochondrial myopathy.&lt;/strong&gt; Muscle Nerve 20: 1219-1224, 1997.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/9324076/&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;9324076&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1002/(sici)1097-4598(199710)20:10&lt;1219::aid-mus2&gt;3.0.co;2-f&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="9324076">Heiman-Patterson et al. (1997)</a>, <a href="#1" class="mim-tip-reference" title="Ajroud-Driss, S., Fecto, F., Ajroud, K., Lalani, I., Calvo, S. E., Mootha, V. K., Deng, H.-X., Siddique, N., Tahmoush, A. J., Heiman-Patterson, T. D., Siddique, T. &lt;strong&gt;Mutation in the novel nuclear-encoded mitochondrial protein CHCHD10 in a family with autosomal dominant mitochondrial myopathy.&lt;/strong&gt; Neurogenetics 16: 1-9, 2015.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/25193783/&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;25193783&lt;/a&gt;, &lt;a href=&quot;https://www.ncbi.nlm.nih.gov/pmc/?term=25193783[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/10.1007/s10048-014-0421-1&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="25193783">Ajroud-Driss et al. (2015)</a> identified a heterozygous missense mutation in the CHCHD10 gene (R15S/G58R; <a href="/entry/615903#0004">615903.0004</a>). The mutation, which was found by linkage analysis and candidate gene sequencing, segregated completely with the disorder in the family. Cells transfected with the G58R mutation or the R15S/G58R mutants showed fragmentation of the mitochondria compared to wildtype or cells transfected only with R15S. The findings suggested that the R15S variant may not be pathogenic. <a href="https://pubmed.ncbi.nlm.nih.gov/?term=25193783+9324076" 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 mother and her 2 sons (family UK) with IMMD, <a href="#4" class="mim-tip-reference" title="Shammas, M. K., Huang, X., Wu, B. P., Fessler, E., Song, I. Y., Randolph, N. P., Li, Y., Bleck, C. K., Springer, D. A., Fratter, C., Barbosa, I. A., Powers, A. F., Quiros, P. M., Lopez-Otin, C., Jae, L. T., Poulton, J., Narendra, D. P. &lt;strong&gt;OMA1 mediates local and global stress responses against protein misfolding in CHCHD10 mitochondrial myopathy.&lt;/strong&gt; J. Clin. Invest. 132: e157504, 2022.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/35700042/&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;35700042&lt;/a&gt;, &lt;a href=&quot;https://www.ncbi.nlm.nih.gov/pmc/?term=35700042[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/10.1172/JCI157504&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="35700042">Shammas et al. (2022)</a> identified a heterozygous missense mutation in the CHCHD10 gene (G58R; <a href="/entry/615903#0005">615903.0005</a>). The mutation, which was found by exome sequencing and confirmed by Sanger sequencing, segregated with the disorder in the family. The mutation likely occurred de novo in the mother. Expression of the orthologous mutation in mice resulted in clinical and pathologic findings with evidence of mitochondrial stress similar to that observed in the patients. Detailed studies indicated that the mutation resulted in activation of OMA1 (<a href="/entry/617081">617081</a>)-induced mitochondrial fragmentation and activation of the integrated stress response outside the mitochondria (see ANIMAL MODEL). <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=35700042" 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><a href="#4" class="mim-tip-reference" title="Shammas, M. K., Huang, X., Wu, B. P., Fessler, E., Song, I. Y., Randolph, N. P., Li, Y., Bleck, C. K., Springer, D. A., Fratter, C., Barbosa, I. A., Powers, A. F., Quiros, P. M., Lopez-Otin, C., Jae, L. T., Poulton, J., Narendra, D. P. &lt;strong&gt;OMA1 mediates local and global stress responses against protein misfolding in CHCHD10 mitochondrial myopathy.&lt;/strong&gt; J. Clin. Invest. 132: e157504, 2022.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/35700042/&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;35700042&lt;/a&gt;, &lt;a href=&quot;https://www.ncbi.nlm.nih.gov/pmc/?term=35700042[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/10.1172/JCI157504&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="35700042">Shammas et al. (2022)</a> generated a mouse model with a heterozygous mutation in the Chchd10 gene that was orthologous to the human G58R mutation (<a href="/entry/615903#0005">615903.0005</a>). Expression of the mutant mouse protein in human cells induced OMA1 activation and caused mitochondrial fragmentation. Heterozygous mutant mice were smaller, had decreased body weight, and died prematurely compared to controls. Mutant mice also showed myopathy with small leg muscles and small muscle fiber size compared to controls, as well as functional motor deficits and decreased cardiac function with atrioventricular heart block. Histologic examination of skeletal muscle showed increased lipid droplets, and both skeletal and cardiac muscle had decreased activities of mitochondrial respiratory complexes I and IV. Cardiac muscle also contained multiple mtDNA deletions and decreased mtDNA copy numbers, suggesting a defect in mtDNA maintenance. The mutant G58R Chchd10 protein formed punctate aggregates within mitochondria in heart and skeletal muscle; mitochondria also contained intracristal inclusions that reflected stress of the inner membrane. There was destabilization of OXPHOS subunits and impaired bioenergetics. These findings were associated with activation of OMA1 (<a href="/entry/617081">617081</a>) in both mouse tissue and skeletal muscle tissue of the human proband carrying the mutation. The G58R mutation in Oma1-null mice was neonatally lethal, suggesting that activation of Oma1 is critical for early survival. Further studies indicated that in the presence of the G58R mutation, OMA1 activated the integrated stress response (ISR) through cleavage of DELE1 (<a href="/entry/615741">615741</a>). The findings were consistent with a toxic gain-of-function effect of the G58R mutation. Of note, mutant mice carrying the S59L mutation (<a href="/entry/615903#0001">615903.0001</a>) had a less severe phenotype, and the mutant S59L protein formed filamentous cellular aggregates that appeared to be outside the mitochondria, suggesting that G58R and S59L have different pathogenetic mechanisms. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=35700042" 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>REFERENCES</strong>
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<a id="1" class="mim-anchor"></a>
<a id="Ajroud-Driss2015" class="mim-anchor"></a>
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Ajroud-Driss, S., Fecto, F., Ajroud, K., Lalani, I., Calvo, S. E., Mootha, V. K., Deng, H.-X., Siddique, N., Tahmoush, A. J., Heiman-Patterson, T. D., Siddique, T.
<strong>Mutation in the novel nuclear-encoded mitochondrial protein CHCHD10 in a family with autosomal dominant mitochondrial myopathy.</strong>
Neurogenetics 16: 1-9, 2015.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/25193783/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">25193783</a>, <a href="https://www.ncbi.nlm.nih.gov/pmc/?term=25193783[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=25193783" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">related citations</a>]
[<a href="https://doi.org/10.1007/s10048-014-0421-1" target="_blank">Full Text</a>]
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<a id="Heiman-Patterson1997" class="mim-anchor"></a>
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Heiman-Patterson, T. D., Argov, Z., Chavin, J. M., Kalman, B., Alder, H., DiMauro, S., Bank, W., Tahmoush, A. J.
<strong>Biochemical and genetic studies in a family with mitochondrial myopathy.</strong>
Muscle Nerve 20: 1219-1224, 1997.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/9324076/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">9324076</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=9324076" 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(199710)20:10&lt;1219::aid-mus2&gt;3.0.co;2-f" target="_blank">Full Text</a>]
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<a id="Salmon1971" class="mim-anchor"></a>
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Salmon, M. A., Esiri, M. M., Ruderman, N. B.
<strong>Myopathic disorder associated with mitochondrial abnormalities, hyperglycaemia, and hyperketonaemia.</strong>
Lancet 2: 290-2, 1971.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/4104978/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">4104978</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=4104978" 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/s0140-6736(71)91335-3" target="_blank">Full Text</a>]
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<a id="Shammas2022" class="mim-anchor"></a>
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Shammas, M. K., Huang, X., Wu, B. P., Fessler, E., Song, I. Y., Randolph, N. P., Li, Y., Bleck, C. K., Springer, D. A., Fratter, C., Barbosa, I. A., Powers, A. F., Quiros, P. M., Lopez-Otin, C., Jae, L. T., Poulton, J., Narendra, D. P.
<strong>OMA1 mediates local and global stress responses against protein misfolding in CHCHD10 mitochondrial myopathy.</strong>
J. Clin. Invest. 132: e157504, 2022.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/35700042/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">35700042</a>, <a href="https://www.ncbi.nlm.nih.gov/pmc/?term=35700042[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=35700042" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">related citations</a>]
[<a href="https://doi.org/10.1172/JCI157504" target="_blank">Full Text</a>]
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Contributors:
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<span class="mim-text-font">
Cassandra L. Kniffin - updated : 08/17/2022
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Creation Date:
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Cassandra L. Kniffin : 1/29/2015
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<a href="#mimCollapseEditHistory" role="button" data-toggle="collapse"> Edit History: </a>
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alopez : 08/25/2022
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ckniffin : 08/17/2022<br>carol : 05/12/2017<br>alopez : 02/06/2015<br>alopez : 2/2/2015<br>mcolton : 1/30/2015<br>ckniffin : 1/29/2015
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<strong>#</strong> 616209
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MYOPATHY, ISOLATED MITOCHONDRIAL, AUTOSOMAL DOMINANT; IMMD
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<strong>SNOMEDCT:</strong> 1222644009; &nbsp;
<strong>ORPHA:</strong> 457050; &nbsp;
<strong>DO:</strong> 0081357; &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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22q11.23
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?Myopathy, isolated mitochondrial, autosomal dominant
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616209
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Autosomal dominant
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3
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CHCHD10
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615903
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<strong>TEXT</strong>
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<p>A number sign (#) is used with this entry because of evidence that autosomal dominant isolated mitochondrial myopathy (IMMD) is caused by heterozygous mutation in the CHCHD10 gene (615903) on chromosome 22q11.</p>
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<strong>Description</strong>
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<p>Autosomal dominant isolated mitochondrial myopathy (IMMD) is characterized by onset of proximal lower limb weakness and exercise intolerance in the first decade of life. The disorder is slowly progressive, with later involvement of facial muscles, muscles of the upper limbs, and distal muscles. Patients may also have respiratory compromise (Heiman-Patterson et al., 1997) or develop severe fatal cardiomyopathy (Shammas et al., 2022). </p>
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<strong>Clinical Features</strong>
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<p>Heiman-Patterson et al. (1997) reported a 5-generation family of Puerto Rican descent in which 15 members had childhood onset of slowly progressive exercise intolerance and proximal lower limb muscle weakness. Neck flexor, shoulder girdle, and distal leg muscles became affected in the second decade, and mild facial weakness appeared in the third to fourth decades. All patients had moderate to severe restrictive lung function, but no cardiac involvement. Short stature was also present. Cognitive, sensory, and cerebellar function were normal. Laboratory studies showed lactic acidemia and increased serum creatine kinase. EMG showed a myopathic pattern. Muscle biopsy of 3 patients showed ragged-red fibers and increased numbers of mitochondria with abnormal cristae and globular mitochondrial inclusions. Two patients studied showed variable decreases in activity of mitochondrial complexes II, III, and IV. Six patients treated with steroids reported clinical improvement. In 1 patient, Southern blot analysis excluded large scale rearrangements of mitochondrial DNA, and sequencing of several candidate mitochondrial genes did not reveal any mutations. In a follow-up of the patients reported by Heiman-Patterson et al. (1997), Ajroud-Driss et al. (2015) noted that skeletal muscle biopsies also showed glycogen and lipid accumulation. </p><p>Shammas et al. (2022) reported a family (family UK) in which a mother and her 2 sons had myopathy and fatal cardiomyopathy. The mother had been reported as a child with a mitochondrial myopathy by Salmon et al. (1971). Similar to his mother, one of her sons (the proband) had childhood-onset myopathy with delayed motor milestones, inability to walk or run, positive Gowers sign, frequent falls, and lax ligaments. By 20 years of age, this patient was wheelchair-bound and had received a heart transplant due to progressive cardiomyopathy. He died of lymphoma soon afterwards. The mother died at age 34 years, presumably from cardiomyopathy, and a brother with myopathy and cardiomyopathy had died in childhood. Skeletal muscle biopsy from the proband showed excess lipid droplets in type I fibers, mtDNA deletions, and decreased activities of OXPHOS complexes II-III and IV, suggesting a mitochondrial defect. </p>
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<strong>Inheritance</strong>
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<p>The transmission pattern of isolated mitochondrial myopathy in the family reported by Heiman-Patterson et al. (1997) was consistent with autosomal dominant inheritance. </p>
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<strong>Molecular Genetics</strong>
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<p>In affected members of the family with isolated mitochondrial myopathy reported by Heiman-Patterson et al. (1997), Ajroud-Driss et al. (2015) identified a heterozygous missense mutation in the CHCHD10 gene (R15S/G58R; 615903.0004). The mutation, which was found by linkage analysis and candidate gene sequencing, segregated completely with the disorder in the family. Cells transfected with the G58R mutation or the R15S/G58R mutants showed fragmentation of the mitochondria compared to wildtype or cells transfected only with R15S. The findings suggested that the R15S variant may not be pathogenic. </p><p>In a mother and her 2 sons (family UK) with IMMD, Shammas et al. (2022) identified a heterozygous missense mutation in the CHCHD10 gene (G58R; 615903.0005). The mutation, which was found by exome sequencing and confirmed by Sanger sequencing, segregated with the disorder in the family. The mutation likely occurred de novo in the mother. Expression of the orthologous mutation in mice resulted in clinical and pathologic findings with evidence of mitochondrial stress similar to that observed in the patients. Detailed studies indicated that the mutation resulted in activation of OMA1 (617081)-induced mitochondrial fragmentation and activation of the integrated stress response outside the mitochondria (see ANIMAL MODEL). </p>
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<strong>Animal Model</strong>
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<p>Shammas et al. (2022) generated a mouse model with a heterozygous mutation in the Chchd10 gene that was orthologous to the human G58R mutation (615903.0005). Expression of the mutant mouse protein in human cells induced OMA1 activation and caused mitochondrial fragmentation. Heterozygous mutant mice were smaller, had decreased body weight, and died prematurely compared to controls. Mutant mice also showed myopathy with small leg muscles and small muscle fiber size compared to controls, as well as functional motor deficits and decreased cardiac function with atrioventricular heart block. Histologic examination of skeletal muscle showed increased lipid droplets, and both skeletal and cardiac muscle had decreased activities of mitochondrial respiratory complexes I and IV. Cardiac muscle also contained multiple mtDNA deletions and decreased mtDNA copy numbers, suggesting a defect in mtDNA maintenance. The mutant G58R Chchd10 protein formed punctate aggregates within mitochondria in heart and skeletal muscle; mitochondria also contained intracristal inclusions that reflected stress of the inner membrane. There was destabilization of OXPHOS subunits and impaired bioenergetics. These findings were associated with activation of OMA1 (617081) in both mouse tissue and skeletal muscle tissue of the human proband carrying the mutation. The G58R mutation in Oma1-null mice was neonatally lethal, suggesting that activation of Oma1 is critical for early survival. Further studies indicated that in the presence of the G58R mutation, OMA1 activated the integrated stress response (ISR) through cleavage of DELE1 (615741). The findings were consistent with a toxic gain-of-function effect of the G58R mutation. Of note, mutant mice carrying the S59L mutation (615903.0001) had a less severe phenotype, and the mutant S59L protein formed filamentous cellular aggregates that appeared to be outside the mitochondria, suggesting that G58R and S59L have different pathogenetic mechanisms. </p>
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<h4>
<span class="mim-font">
<strong>REFERENCES</strong>
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<p />
</div>
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<ol>
<li>
<p class="mim-text-font">
Ajroud-Driss, S., Fecto, F., Ajroud, K., Lalani, I., Calvo, S. E., Mootha, V. K., Deng, H.-X., Siddique, N., Tahmoush, A. J., Heiman-Patterson, T. D., Siddique, T.
<strong>Mutation in the novel nuclear-encoded mitochondrial protein CHCHD10 in a family with autosomal dominant mitochondrial myopathy.</strong>
Neurogenetics 16: 1-9, 2015.
[PubMed: 25193783]
[Full Text: https://doi.org/10.1007/s10048-014-0421-1]
</p>
</li>
<li>
<p class="mim-text-font">
Heiman-Patterson, T. D., Argov, Z., Chavin, J. M., Kalman, B., Alder, H., DiMauro, S., Bank, W., Tahmoush, A. J.
<strong>Biochemical and genetic studies in a family with mitochondrial myopathy.</strong>
Muscle Nerve 20: 1219-1224, 1997.
[PubMed: 9324076]
[Full Text: https://doi.org/10.1002/(sici)1097-4598(199710)20:10&lt;1219::aid-mus2&gt;3.0.co;2-f]
</p>
</li>
<li>
<p class="mim-text-font">
Salmon, M. A., Esiri, M. M., Ruderman, N. B.
<strong>Myopathic disorder associated with mitochondrial abnormalities, hyperglycaemia, and hyperketonaemia.</strong>
Lancet 2: 290-2, 1971.
[PubMed: 4104978]
[Full Text: https://doi.org/10.1016/s0140-6736(71)91335-3]
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Shammas, M. K., Huang, X., Wu, B. P., Fessler, E., Song, I. Y., Randolph, N. P., Li, Y., Bleck, C. K., Springer, D. A., Fratter, C., Barbosa, I. A., Powers, A. F., Quiros, P. M., Lopez-Otin, C., Jae, L. T., Poulton, J., Narendra, D. P.
<strong>OMA1 mediates local and global stress responses against protein misfolding in CHCHD10 mitochondrial myopathy.</strong>
J. Clin. Invest. 132: e157504, 2022.
[PubMed: 35700042]
[Full Text: https://doi.org/10.1172/JCI157504]
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alopez : 08/25/2022<br>ckniffin : 08/17/2022<br>carol : 05/12/2017<br>alopez : 02/06/2015<br>alopez : 2/2/2015<br>mcolton : 1/30/2015<br>ckniffin : 1/29/2015
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