nih-gov/www.ncbi.nlm.nih.gov/omim/130010

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<title>
Entry
- #130010 - EHLERS-DANLOS SYNDROME, CLASSIC TYPE, 2; EDSCL2
- OMIM
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<span class="h4">#130010</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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<li role="presentation">
<a href="/clinicalSynopsis/130010"><strong>Clinical Synopsis</strong></a>
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<li role="presentation">
<a href="/phenotypicSeries/PS130000"> <strong>Phenotypic Series</strong> </a>
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<li role="presentation">
<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="#cytogenetics">Cytogenetics</a>
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<li role="presentation" style="margin-left: 1em">
<a href="#molecularGenetics">Molecular Genetics</a>
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<li role="presentation">
<a href="#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><a href="https://clinicaltrials.gov/search?cond=(EHLERS-DANLOS SYNDROME, CLASSIC TYPE) OR (COL5A2)" 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=612&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/gtr/all/tests/?term=130010[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=287" 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">
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&nbsp;
<div style="display: table-cell;">Animal Models</div>
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<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:0080726" 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/130010" 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://omia.org/results?search_type=advanced&omia_id=000327,002295" class="mim-tip-hint" title="OMIA" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'OMIA', 'domain': 'omia.angis.org.au'})">OMIA</a></div>
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<div id="mimCellLinesLinksToggleTriangle" class="small mimSingletonTriangle" style="color: #337CB5; display: table-cell;">&#9658;</div>
&nbsp;
<div style="display: table-cell;">Cell Lines</div>
</div>
</a>
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</span>
</div>
<div id="mimCellLinesLinksFold" class="panel-collapse collapse mimLinksFold" role="tabpanel">
<div class="panel-body small mim-panel-body">
<div><a href="https://catalog.coriell.org/Search?q=OmimNum:130010" class="definition" title="Coriell Cell Repositories; cell cultures and DNA derived from cell cultures." target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'CCR', 'domain': 'ccr.coriell.org'})">Coriell</a></div>
</div>
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<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>
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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> 1287094005<br />
<strong>ORPHA:</strong> 287<br />
<strong>DO:</strong> 0080726<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>
130010
</span>
</span>
</div>
</div>
<div>
<a id="preferredTitle" class="mim-anchor"></a>
<h3>
<span class="mim-font">
EHLERS-DANLOS SYNDROME, CLASSIC TYPE, 2; EDSCL2
</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">
EHLERS-DANLOS SYNDROME, TYPE II, FORMERLY; EDS2, FORMERLY<br />
EHLERS DANLOS SYNDROME, MILD CLASSIC TYPE, FORMERLY<br />
EDS II, FORMERLY<br />
EHLERS DANLOS SYNDROME, MITIS TYPE, FORMERLY
</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/2/855?start=-3&limit=10&highlight=855">
2q32.2
</a>
</span>
</td>
<td>
<span class="mim-font">
Ehlers-Danlos syndrome, classic type, 2
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/130010"> 130010 </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">
COL5A2
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/120190"> 120190 </a>
</span>
</td>
</tr>
</tbody>
</table>
</div>
</div>
<div>
<div class="btn-group ">
<a href="/clinicalSynopsis/130010" 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/PS130000" 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/130010" target="_blank" onclick="gtag('event', 'mim_graph', {'destination': 'Linear'})"> Linear </a></li>
<li><a href="/graph/radial/130010" 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> SKELETAL </strong>
</span>
</div>
<div style="margin-left: 2em;">
<div>
<span class="mim-font">
- Joint hypermobility <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/788453008" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">788453008</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C1862377&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C1862377</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0001382" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0001382</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0001382" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0001382</a>]</span><br /> -
Joint laxity, generalized <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C1836308&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C1836308</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0002761" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0002761</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0002761" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0002761</a>]</span><br />
</span>
</div>
<div>
<div>
<span class="h5 mim-font">
<em> Pelvis </em>
</span>
</div>
<div style="margin-left: 2em;">
<span class="mim-font">
- Congenital hip dislocation (in some patients) <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/52781008" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">52781008</a>, <a href="https://purl.bioontology.org/ontology/SNOMEDCT/48334007" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">48334007</a>]</span> <span class="mim-feature-ids hidden">[ICD10CM: <a href="https://purl.bioontology.org/ontology/ICD10CM/Q65.2" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD10CM\', \'domain\': \'bioontology.org\'})">Q65.2</a>]</span> <span class="mim-feature-ids hidden">[ICD9CM: <a href="https://purl.bioontology.org/ontology/ICD9CM/754.3" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD9CM\', \'domain\': \'bioontology.org\'})">754.3</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C4551649&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C4551649</a>, <a href="https://bioportal.bioontology.org/search?q=C0019555&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0019555</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0001374" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0001374</a>, <a href="https://hpo.jax.org/app/browse/term/HP:0001385" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0001385</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0001374" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0001374</a>]</span><br />
</span>
</div>
</div>
<div>
<div>
<span class="h5 mim-font">
<em> Limbs </em>
</span>
</div>
<div style="margin-left: 2em;">
<span class="mim-font">
- Joint dislocation, recurrent (e.g., shoulder, patella) <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C4694081&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C4694081</a>]</span> <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/87642003" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">87642003</a>, <a href="https://purl.bioontology.org/ontology/SNOMEDCT/108367008" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">108367008</a>]</span> <span class="mim-feature-ids hidden">[ICD9CM: <a href="https://purl.bioontology.org/ontology/ICD9CM/830-839.99" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD9CM\', \'domain\': \'bioontology.org\'})">830-839.99</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0001373" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0001373</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">
- Club feet (in some patients) <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/397932003" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">397932003</a>, <a href="https://purl.bioontology.org/ontology/SNOMEDCT/1156475005" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">1156475005</a>]</span> <span class="mim-feature-ids hidden">[ICD10CM: <a href="https://purl.bioontology.org/ontology/ICD10CM/Q66.0" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD10CM\', \'domain\': \'bioontology.org\'})">Q66.0</a>, <a href="https://purl.bioontology.org/ontology/ICD10CM/Q66.89" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD10CM\', \'domain\': \'bioontology.org\'})">Q66.89</a>]</span> <span class="mim-feature-ids hidden">[ICD9CM: <a href="https://purl.bioontology.org/ontology/ICD9CM/754.51" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD9CM\', \'domain\': \'bioontology.org\'})">754.51</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0009081&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0009081</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0001762" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0001762</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0001762" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0001762</a>]</span><br />
</span>
</div>
</div>
</div>
</div>
<div>
<div>
<span class="h5 mim-font">
<strong> SKIN, NAILS, & HAIR </strong>
</span>
</div>
<div style="margin-left: 2em;">
<div>
<div>
<span class="h5 mim-font">
<em> Skin </em>
</span>
</div>
<div style="margin-left: 2em;">
<span class="mim-font">
- Soft, velvety skin <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C4692442&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C4692442</a>]</span><br /> -
Hyperextensible skin <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0241074&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0241074</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000974" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000974</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000974" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000974</a>]</span><br /> -
Fragile skin <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/247427007" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">247427007</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0241181&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0241181</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0001030" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0001030</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0001030" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0001030</a>]</span><br /> -
Easy bruisability <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/425075004" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">425075004</a>, <a href="https://purl.bioontology.org/ontology/SNOMEDCT/424131007" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">424131007</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0423798&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0423798</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000978" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000978</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000978" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000978</a>]</span><br /> -
'Cigarette paper scarring' <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C1851828&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C1851828</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0001073" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0001073</a>]</span><br />
</span>
</div>
</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 type V collagen, alpha-2 gene (COL5A2, <a href="/entry/120190#0001">120190.0001</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>
Ehlers-Danlos syndrome
- <a href="/phenotypicSeries/PS130000">PS130000</a>
- 23 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/1/33?start=-3&limit=10&highlight=33"> 1p36.33 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/615349"> Ehlers-Danlos syndrome, spondylodysplastic type, 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/615349"> 615349 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/615291"> B3GALT6 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/615291"> 615291 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/1/162?start=-3&limit=10&highlight=162"> 1p36.22 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/225400"> Ehlers-Danlos syndrome, kyphoscoliotic type, 1 </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/225400"> 225400 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/153454"> PLOD1 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/153454"> 153454 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/2/854?start=-3&limit=10&highlight=854"> 2q32.2 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/130050"> Ehlers-Danlos syndrome, vascular type </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">
<a href="/entry/130050"> 130050 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/120180"> COL3A1 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/120180"> 120180 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/2/855?start=-3&limit=10&highlight=855"> 2q32.2 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/130010"> Ehlers-Danlos syndrome, classic type, 2 </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">
<a href="/entry/130010"> 130010 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/120190"> COL5A2 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/120190"> 120190 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/4/523?start=-3&limit=10&highlight=523"> 4q27 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/614170"> Brittle cornea 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/614170"> 614170 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/614161"> PRDM5 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/614161"> 614161 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/5/817?start=-3&limit=10&highlight=817"> 5q35.3 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/130070"> Ehlers-Danlos syndrome, spondylodysplastic type, 1 </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/130070"> 130070 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/604327"> B4GALT7 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/604327"> 604327 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/5/829?start=-3&limit=10&highlight=829"> 5q35.3 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/225410"> Ehlers-Danlos syndrome, dermatosparaxis type </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/225410"> 225410 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/604539"> ADAMTS2 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/604539"> 604539 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/6/351?start=-3&limit=10&highlight=351"> 6p21.33-p21.32 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/606408"> Ehlers-Danlos syndrome, classic-like, 1 </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/606408"> 606408 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/600985"> TNXB </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/600985"> 600985 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/6/650?start=-3&limit=10&highlight=650"> 6q13-q14.1 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/616471"> Bethlem myopathy 2 </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">
<a href="/entry/616471"> 616471 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/120320"> COL12A1 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/120320"> 120320 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/6/798?start=-3&limit=10&highlight=798"> 6q22.1 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/615539"> Ehlers-Danlos syndrome, musculocontractural type 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/615539"> 615539 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/605942"> DSE </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/605942"> 605942 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/6/1032?start=-3&limit=10&highlight=1032"> 6q27 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/620865"> ?Ehlers-Danlos syndrome, classic-like, 3 </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">
<a href="/entry/620865"> 620865 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/188061"> THBS2 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/188061"> 188061 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/7/159?start=-3&limit=10&highlight=159"> 7p14.3 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/614557"> Ehlers-Danlos syndrome, kyphoscoliotic type, 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/614557"> 614557 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/614505"> FKBP14 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/614505"> 614505 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/7/227?start=-3&limit=10&highlight=227"> 7p13 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/618000"> Ehlers-Danlos syndrome, classic-like, 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/618000"> 618000 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/602981"> AEBP1 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/602981"> 602981 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/7/423?start=-3&limit=10&highlight=423"> 7q21.3 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/617821"> Ehlers-Danlos syndrome, arthrochalasia type, 2 </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">
<a href="/entry/617821"> 617821 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/120160"> COL1A2 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/120160"> 120160 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/7/423?start=-3&limit=10&highlight=423"> 7q21.3 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/225320"> Ehlers-Danlos syndrome, cardiac valvular type </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/225320"> 225320 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/120160"> COL1A2 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/120160"> 120160 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/9/629?start=-3&limit=10&highlight=629"> 9q34.3 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/130000"> Ehlers-Danlos syndrome, classic type, 1 </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">
<a href="/entry/130000"> 130000 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/120215"> COL5A1 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/120215"> 120215 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/11/363?start=-3&limit=10&highlight=363"> 11p11.2 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/612350"> Ehlers-Danlos syndrome, spondylodysplastic type, 3 </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal recessive">AR</abbr>
</span>
</td>
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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/612350"> 612350 </a>
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<a href="/entry/608735"> SLC39A13 </a>
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<a href="/entry/608735"> 608735 </a>
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<span class="mim-font">
<a href="/entry/617174"> Ehlers-Danlos syndrome, periodontal type, 2 </a>
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<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal dominant">AD</abbr>
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<abbr class="mim-tip-hint" title="3 - The molecular basis of the disorder is known"> 3 </abbr>
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<a href="/entry/617174"> 617174 </a>
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<a href="/entry/120580"> C1S </a>
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<a href="/entry/120580"> 120580 </a>
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<a href="/geneMap/12/90?start=-3&limit=10&highlight=90"> 12p13.31 </a>
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<a href="/entry/130080"> Ehlers-Danlos syndrome, periodontal type, 1 </a>
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<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal dominant">AD</abbr>
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<abbr class="mim-tip-hint" title="3 - The molecular basis of the disorder is known"> 3 </abbr>
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<a href="/entry/130080"> 130080 </a>
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<a href="/entry/613785"> C1R </a>
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<a href="/entry/613785"> 613785 </a>
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<a href="/geneMap/15/100?start=-3&limit=10&highlight=100"> 15q15.1 </a>
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<span class="mim-font">
<a href="/entry/601776"> Ehlers-Danlos syndrome, musculocontractural type 1 </a>
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<abbr class="mim-tip-hint" title="Autosomal recessive">AR</abbr>
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<abbr class="mim-tip-hint" title="3 - The molecular basis of the disorder is known"> 3 </abbr>
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<a href="/entry/601776"> 601776 </a>
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<a href="/entry/608429"> CHST14 </a>
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<a href="/entry/608429"> 608429 </a>
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<a href="/geneMap/16/727?start=-3&limit=10&highlight=727"> 16q24.2 </a>
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<a href="/entry/229200"> Brittle cornea 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/229200"> 229200 </a>
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<a href="/entry/612078"> ZNF469 </a>
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<span class="mim-font">
<a href="/entry/612078"> 612078 </a>
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<span class="mim-font">
<a href="/geneMap/17/735?start=-3&limit=10&highlight=735"> 17q21.33 </a>
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<span class="mim-font">
<a href="/entry/130060"> Ehlers-Danlos syndrome, arthrochalasia type, 1 </a>
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<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal dominant">AD</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/130060"> 130060 </a>
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<a href="/entry/120150"> COL1A1 </a>
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<span class="mim-font">
<a href="/entry/120150"> 120150 </a>
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Not Mapped
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<a href="/entry/130020"> Ehlers-Danlos syndrome, hypermobility type </a>
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<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal dominant">AD</abbr>
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<span class="mim-font">
<a href="/entry/130020"> 130020 </a>
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<a href="/entry/130020"> EDSHMB </a>
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<span class="mim-font">
<a href="/entry/130020"> 130020 </a>
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<a href="#mimPhenotypicSeriesFold" data-toggle="collapse">&#9650;&nbsp;Close</a>
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<p>A number sign (#) is used with this entry because Ehlers-Danlos syndrome classic type 2 (EDSCL2) is caused by heterozygous mutation in the collagen alpha-2(V) gene (COL5A2; <a href="/entry/120190">120190</a>) on chromosome 2q31.</p><p>Rarely, specific mutations in the COL1A1 gene (e.g., R134C, <a href="/entry/120150#0059">120150.0059</a>) cause classic EDS.</p>
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<a id="description" class="mim-anchor"></a>
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<strong>Description</strong>
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<p>The Ehlers-Danlos syndromes (EDS) are a group of heritable connective tissue disorders that share the common features of skin hyperextensibility, articular hypermobility, and tissue fragility. The main features of classic Ehlers-Danlos syndrome are loose-jointedness and fragile, bruisable skin that heals with peculiar 'cigarette-paper' scars (<a href="#1" class="mim-tip-reference" title="Beighton, P. &lt;strong&gt;The Ehlers-Danlos syndromes. In: Beighton, P. (ed.): McKusick&#x27;s Heritable Disorders of Connective Tissue. 5th ed.&lt;/strong&gt; St. Louis: Mosby 1993. Pp. 189-251."None>Beighton, 1993</a>). There are both severe and mild forms of classic EDS, previously designated EDS I and EDS II, respectively.</p><p>For a general phenotypic description and a discussion of genetic heterogeneity of classic EDS, see <a href="/entry/130000">130000</a>.</p>
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<strong>Clinical Features</strong>
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<p>The minimal diagnostic features for EDS I used in the study of <a href="#9" class="mim-tip-reference" title="Wenstrup, R. J., Langland, G. T., Willing, M. C., D&#x27;Souza, V. N., Cole, W. G. &lt;strong&gt;A splice-junction mutation in the region of COL5A1 that codes for the carboxyl propeptide of pro-alpha-1(V) chains results in the gravis form of the Ehlers-Danlos syndrome (type I).&lt;/strong&gt; Hum. Molec. Genet. 5: 1733-1736, 1996.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/8923000/&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;8923000&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1093/hmg/5.11.1733&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="8923000">Wenstrup et al. (1996)</a> were autosomal dominant inheritance, generalized joint laxity, hyperextensible skin with doughy and velvety texture, and the presence of widened atrophic scars. The criterion used to distinguish EDS II from EDS I was the absence of widened atrophic scars in EDS II. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=8923000" 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="#2" class="mim-tip-reference" title="De Felice, C., Toti, P., Di Maggio, G., Parrini, S., Bagnoli, F. &lt;strong&gt;Absence of the inferior labial and lingual frenula in Ehlers-Danlos syndrome.&lt;/strong&gt; Lancet 357: 1500-1502, 2001.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/11377605/&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;11377605&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1016/S0140-6736(00)04661-4&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="11377605">De Felice et al. (2001)</a> studied 4 patients with EDS II and 8 patients with EDS III (<a href="/entry/130020">130020</a>), the hypermobile type. They concluded that absence of the inferior labial frenulum and the lingual frenulum are characteristics of EDS. Absence of the inferior labial frenulum showed 100% sensitivity and 99.4% specificity; absence of the lingual frenulum showed 71.4% sensitivity and 100% specificity. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=11377605" 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="inheritance" class="mim-anchor"></a>
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<strong>Inheritance</strong>
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<p>Classic EDS is an autosomal dominant disorder (<a href="#9" class="mim-tip-reference" title="Wenstrup, R. J., Langland, G. T., Willing, M. C., D&#x27;Souza, V. N., Cole, W. G. &lt;strong&gt;A splice-junction mutation in the region of COL5A1 that codes for the carboxyl propeptide of pro-alpha-1(V) chains results in the gravis form of the Ehlers-Danlos syndrome (type I).&lt;/strong&gt; Hum. Molec. Genet. 5: 1733-1736, 1996.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/8923000/&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;8923000&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1093/hmg/5.11.1733&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="8923000">Wenstrup et al., 1996</a>; <a href="#3" class="mim-tip-reference" title="De Paepe, A., Nuytinck, L., Hausser, I., Anton-Lamprecht, I., Naeyaert, J.-M. &lt;strong&gt;Mutations in the COL5A1 gene are causal in the Ehlers-Danlos syndromes I and II.&lt;/strong&gt; Am. J. Hum. Genet. 60: 547-554, 1997.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/9042913/&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;9042913&lt;/a&gt;]" pmid="9042913">De Paepe et al., 1997</a>). <a href="https://pubmed.ncbi.nlm.nih.gov/?term=8923000+9042913" 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>
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<strong>Cytogenetics</strong>
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<p><a href="#6" class="mim-tip-reference" title="Prontera, P., Belcastro, V., Calabresi, P., Donti, E. &lt;strong&gt;Myostatin depletion: a therapy for Ehlers-Danlos syndrome?&lt;/strong&gt; Ann. Neurol. 67: 147-148, 2010.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/20186851/&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;20186851&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1002/ana.21828&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="20186851">Prontera et al. (2010)</a> reported a 42-year old Italian man with a complex EDS phenotype caused by a 13.7-Mb de novo heterozygous deletion of chromosome 2q23.3-q31.2 resulting in deletion of the COL3A1 (<a href="/entry/120180">120180</a>), COL5A2, and myostatin (MSTN; <a href="/entry/601788">601788</a>) genes. Loss of function mutations in COL3A1 (<a href="/entry/120180">120180</a>) and COL5A2 cause vascular (<a href="/entry/130050">130050</a>) and classic EDS, respectively. Haploinsufficiency for MSTN results in overgrowth of skeletal muscle. Due to the monosomy for MSTN, the patient had 'an exceptional constitutional muscular mass,' without muscle weakness, myalgia, or easy fatigability. He also had no generalized joint hypomobility or recurrent joint dislocation; symptoms of EDS were limited to recurrent inguinal hernias and mild mitral valve prolapse. <a href="#6" class="mim-tip-reference" title="Prontera, P., Belcastro, V., Calabresi, P., Donti, E. &lt;strong&gt;Myostatin depletion: a therapy for Ehlers-Danlos syndrome?&lt;/strong&gt; Ann. Neurol. 67: 147-148, 2010.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/20186851/&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;20186851&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1002/ana.21828&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="20186851">Prontera et al. (2010)</a> hypothesized that haploinsufficiency for the MSTN allele exerted a protective effect against EDS clinical manifestations in this patient. The findings also indicated that there is direct involvement of muscle damage in EDS and that care of muscle function in these patients may be beneficial. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=20186851" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})"><span class="glyphicon glyphicon-plus-sign mim-tip-hint" title="Click this 'reference-plus' icon to see articles related to this paragraph in PubMed."></span></a></p>
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<a id="molecularGenetics" class="mim-anchor"></a>
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<strong>Molecular Genetics</strong>
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<p><a href="#5" class="mim-tip-reference" title="Michalickova, K., Susic, M., Willing, M. C., Wenstrup, R. J., Cole, W. G. &lt;strong&gt;Mutations of the alpha-2(V) chain of type V collagen impair matrix assembly and produce Ehlers-Danlos syndrome type I.&lt;/strong&gt; Hum. Molec. Genet. 7: 249-255, 1998.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/9425231/&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;9425231&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1093/hmg/7.2.249&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="9425231">Michalickova et al. (1998)</a> demonstrated heterozygous mutations in the COL5A2 gene (e.g., <a href="/entry/120190#0001">120190.0001</a>) in patients mild and severe classic EDS. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=9425231" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})"><span class="glyphicon glyphicon-plus-sign mim-tip-hint" title="Click this 'reference-plus' icon to see articles related to this paragraph in PubMed."></span></a></p><p><a href="#7" class="mim-tip-reference" title="Richards, A. J., Martin, S., Nicholls, A. C., Harrison, J. B., Pope, F. M., Burrows, N. P. &lt;strong&gt;A single base mutation in COL5A2 causes Ehlers-Danlos syndrome type II.&lt;/strong&gt; J. Med. Genet. 35: 846-848, 1998.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/9783710/&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;9783710&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1136/jmg.35.10.846&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="9783710">Richards et al. (1998)</a> demonstrated a heterozygous missense mutation in the COL5A2 gene (<a href="/entry/120190#0003">120190.0003</a>) in a mother and her 2 sons with mild classic EDS. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=9783710" 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="Malfait, F., Coucke, P., Symoens, S., Loeys, B., Nuytinck, L., De Paepe, A. &lt;strong&gt;The molecular basis of classic Ehlers-Danlos syndrome: a comprehensive study of biochemical and molecular findings in 48 unrelated patients.&lt;/strong&gt; Hum. Mutat. 25: 28-37, 2005.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/15580559/&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;15580559&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1002/humu.20107&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="15580559">Malfait et al. (2005)</a> studied fibroblast cultures from 48 patients with classic EDS for the presence of type V collagen defects. Forty-two (88%) were heterozygous for an expressed polymorphic variant of COL5A1, and cDNA from 18 (43%) expressed only 1 COL5A1 allele. In total, 17 mutations leading to a premature stop codon and 5 structural mutations were identified in the COL5A1 and COL5A2 genes. Four patients had COL5A2 mutations (<a href="/entry/120190#0004">120190.0004</a>-<a href="/entry/120190#0007">120190.0007</a>). In 3 patients with a positive COL5A1 null-allele test, no mutation was found. Overall, in 25 of the 48 patients (52%), an abnormality in type V collagen was confirmed. Variability in severity of the phenotype was observed, but no significant genotype-phenotype correlations were found. The relatively low mutation detection rate suggested that other genes are involved in classic EDS. <a href="#4" class="mim-tip-reference" title="Malfait, F., Coucke, P., Symoens, S., Loeys, B., Nuytinck, L., De Paepe, A. &lt;strong&gt;The molecular basis of classic Ehlers-Danlos syndrome: a comprehensive study of biochemical and molecular findings in 48 unrelated patients.&lt;/strong&gt; Hum. Mutat. 25: 28-37, 2005.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/15580559/&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;15580559&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1002/humu.20107&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="15580559">Malfait et al. (2005)</a> excluded COL1A1, COL1A2 (<a href="/entry/120160">120160</a>), and DCN (<a href="/entry/125255">125255</a>) as major candidate genes for classic EDS, since they could find no causal mutation in these genes in a number of patients who tested negative for COL5A1 and COL5A2. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=15580559" 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="#8" class="mim-tip-reference" title="Symoens, S., Syx, D., Malfait, F., Callewaert, B., De Backer, J., Vanakker, O., Coucke, P., De Paepe, A. &lt;strong&gt;Comprehensive molecular analysis demonstrates type V collagen mutations in over 90% of patients with classic EDS and allows to refine diagnostic criteria.&lt;/strong&gt; Hum. Mutat. 33: 1485-1493, 2012.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/22696272/&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;22696272&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1002/humu.22137&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="22696272">Symoens et al. (2012)</a> analyzed COL5A1 and COL5A2 in 126 patients with a diagnosis or suspicion of classic EDS. In 93 patients, a type V collagen defect was found, of which 73 were COL5A1 mutations, 13 were COL5A2 mutations, and 7 were COL5A1 null-alleles with mutation unknown. The majority of the 73 COL5A1 mutations generated a COL5A1 null-allele, whereas one-third were structural mutations, scattered throughout COL5A1. All COL5A2 mutations were structural mutations. Reduced availability of type V collagen appeared to be the major disease-causing mechanism, besides other intra- and extracellular contributing factors. All type V collagen defects were identified within a group of 102 patients fulfilling all major clinical Villefranche criteria, that is, skin hyperextensibility, dystrophic scarring, and joint hypermobility. No COL5A1/COL5A2 mutation was detected in 24 patients who displayed skin and joint hyperextensibility but lacked dystrophic scarring. Overall, over 90% of patients fulfilling all major Villefranche criteria for classic EDS were shown to harbor a type V collagen defect, indicating that this is the major, if not the only, cause of classic EDS. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=22696272" 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="Beighton1993" class="mim-anchor"></a>
<div class="">
<p class="mim-text-font">
Beighton, P.
<strong>The Ehlers-Danlos syndromes. In: Beighton, P. (ed.): McKusick's Heritable Disorders of Connective Tissue. 5th ed.</strong>
St. Louis: Mosby 1993. Pp. 189-251.
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<a id="De Felice2001" class="mim-anchor"></a>
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De Felice, C., Toti, P., Di Maggio, G., Parrini, S., Bagnoli, F.
<strong>Absence of the inferior labial and lingual frenula in Ehlers-Danlos syndrome.</strong>
Lancet 357: 1500-1502, 2001.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/11377605/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">11377605</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=11377605" 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(00)04661-4" target="_blank">Full Text</a>]
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<li>
<a id="3" class="mim-anchor"></a>
<a id="De Paepe1997" class="mim-anchor"></a>
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<p class="mim-text-font">
De Paepe, A., Nuytinck, L., Hausser, I., Anton-Lamprecht, I., Naeyaert, J.-M.
<strong>Mutations in the COL5A1 gene are causal in the Ehlers-Danlos syndromes I and II.</strong>
Am. J. Hum. Genet. 60: 547-554, 1997.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/9042913/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">9042913</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=9042913" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">related citations</a>]
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<a id="4" class="mim-anchor"></a>
<a id="Malfait2005" class="mim-anchor"></a>
<div class="">
<p class="mim-text-font">
Malfait, F., Coucke, P., Symoens, S., Loeys, B., Nuytinck, L., De Paepe, A.
<strong>The molecular basis of classic Ehlers-Danlos syndrome: a comprehensive study of biochemical and molecular findings in 48 unrelated patients.</strong>
Hum. Mutat. 25: 28-37, 2005.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/15580559/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">15580559</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=15580559" 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/humu.20107" target="_blank">Full Text</a>]
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<a id="Michalickova1998" class="mim-anchor"></a>
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<p class="mim-text-font">
Michalickova, K., Susic, M., Willing, M. C., Wenstrup, R. J., Cole, W. G.
<strong>Mutations of the alpha-2(V) chain of type V collagen impair matrix assembly and produce Ehlers-Danlos syndrome type I.</strong>
Hum. Molec. Genet. 7: 249-255, 1998.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/9425231/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">9425231</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=9425231" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">related citations</a>]
[<a href="https://doi.org/10.1093/hmg/7.2.249" target="_blank">Full Text</a>]
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<a id="Prontera2010" class="mim-anchor"></a>
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<p class="mim-text-font">
Prontera, P., Belcastro, V., Calabresi, P., Donti, E.
<strong>Myostatin depletion: a therapy for Ehlers-Danlos syndrome?</strong>
Ann. Neurol. 67: 147-148, 2010.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/20186851/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">20186851</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=20186851" 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/ana.21828" target="_blank">Full Text</a>]
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<a id="Richards1998" class="mim-anchor"></a>
<div class="">
<p class="mim-text-font">
Richards, A. J., Martin, S., Nicholls, A. C., Harrison, J. B., Pope, F. M., Burrows, N. P.
<strong>A single base mutation in COL5A2 causes Ehlers-Danlos syndrome type II.</strong>
J. Med. Genet. 35: 846-848, 1998.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/9783710/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">9783710</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=9783710" 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.35.10.846" target="_blank">Full Text</a>]
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<a id="8" class="mim-anchor"></a>
<a id="Symoens2012" class="mim-anchor"></a>
<div class="">
<p class="mim-text-font">
Symoens, S., Syx, D., Malfait, F., Callewaert, B., De Backer, J., Vanakker, O., Coucke, P., De Paepe, A.
<strong>Comprehensive molecular analysis demonstrates type V collagen mutations in over 90% of patients with classic EDS and allows to refine diagnostic criteria.</strong>
Hum. Mutat. 33: 1485-1493, 2012.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/22696272/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">22696272</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=22696272" 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/humu.22137" target="_blank">Full Text</a>]
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<a id="Wenstrup1996" class="mim-anchor"></a>
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Wenstrup, R. J., Langland, G. T., Willing, M. C., D'Souza, V. N., Cole, W. G.
<strong>A splice-junction mutation in the region of COL5A1 that codes for the carboxyl propeptide of pro-alpha-1(V) chains results in the gravis form of the Ehlers-Danlos syndrome (type I).</strong>
Hum. Molec. Genet. 5: 1733-1736, 1996.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/8923000/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">8923000</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=8923000" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">related citations</a>]
[<a href="https://doi.org/10.1093/hmg/5.11.1733" target="_blank">Full Text</a>]
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<span class="mim-text-font">
Nara Sobreira - updated : 2/25/2013
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Ada Hamosh - updated : 3/6/2003<br>Victor A. McKusick - updated : 6/21/2001<br>Michael J. Wright - updated : 11/9/1998<br>Victor A. McKusick - updated : 3/12/1997
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Creation Date:
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Victor A. McKusick : 6/4/1986
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carol : 04/10/2018
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carol : 04/05/2018<br>carol : 12/22/2017<br>carol : 12/22/2017<br>carol : 12/21/2017<br>carol : 04/13/2015<br>carol : 2/25/2013<br>carol : 1/21/2010<br>carol : 3/15/2007<br>carol : 12/3/2003<br>carol : 4/4/2003<br>cwells : 3/6/2003<br>mcapotos : 7/5/2001<br>mcapotos : 6/27/2001<br>terry : 6/21/2001<br>carol : 4/3/2001<br>carol : 9/25/2000<br>dkim : 12/16/1998<br>carol : 12/11/1998<br>alopez : 12/11/1998<br>alopez : 12/11/1998<br>terry : 11/9/1998<br>alopez : 7/7/1997<br>terry : 3/12/1997<br>terry : 3/6/1997<br>terry : 11/15/1996<br>terry : 11/6/1996<br>mark : 12/15/1995<br>terry : 12/6/1995<br>mark : 9/22/1995<br>mimadm : 9/24/1994<br>supermim : 3/16/1992<br>supermim : 3/20/1990<br>ddp : 10/26/1989<br>marie : 3/25/1988
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<strong>#</strong> 130010
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EHLERS-DANLOS SYNDROME, CLASSIC TYPE, 2; EDSCL2
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<em>Alternative titles; symbols</em>
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EHLERS-DANLOS SYNDROME, TYPE II, FORMERLY; EDS2, FORMERLY<br />
EHLERS DANLOS SYNDROME, MILD CLASSIC TYPE, FORMERLY<br />
EDS II, FORMERLY<br />
EHLERS DANLOS SYNDROME, MITIS TYPE, FORMERLY
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<strong>SNOMEDCT:</strong> 1287094005; &nbsp;
<strong>ORPHA:</strong> 287; &nbsp;
<strong>DO:</strong> 0080726; &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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2q32.2
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Ehlers-Danlos syndrome, classic type, 2
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130010
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Autosomal dominant
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3
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COL5A2
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120190
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<strong>TEXT</strong>
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<p>A number sign (#) is used with this entry because Ehlers-Danlos syndrome classic type 2 (EDSCL2) is caused by heterozygous mutation in the collagen alpha-2(V) gene (COL5A2; 120190) on chromosome 2q31.</p><p>Rarely, specific mutations in the COL1A1 gene (e.g., R134C, 120150.0059) cause classic EDS.</p>
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<strong>Description</strong>
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<p>The Ehlers-Danlos syndromes (EDS) are a group of heritable connective tissue disorders that share the common features of skin hyperextensibility, articular hypermobility, and tissue fragility. The main features of classic Ehlers-Danlos syndrome are loose-jointedness and fragile, bruisable skin that heals with peculiar 'cigarette-paper' scars (Beighton, 1993). There are both severe and mild forms of classic EDS, previously designated EDS I and EDS II, respectively.</p><p>For a general phenotypic description and a discussion of genetic heterogeneity of classic EDS, see 130000.</p>
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<strong>Clinical Features</strong>
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<p>The minimal diagnostic features for EDS I used in the study of Wenstrup et al. (1996) were autosomal dominant inheritance, generalized joint laxity, hyperextensible skin with doughy and velvety texture, and the presence of widened atrophic scars. The criterion used to distinguish EDS II from EDS I was the absence of widened atrophic scars in EDS II. </p><p>De Felice et al. (2001) studied 4 patients with EDS II and 8 patients with EDS III (130020), the hypermobile type. They concluded that absence of the inferior labial frenulum and the lingual frenulum are characteristics of EDS. Absence of the inferior labial frenulum showed 100% sensitivity and 99.4% specificity; absence of the lingual frenulum showed 71.4% sensitivity and 100% specificity. </p>
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<strong>Inheritance</strong>
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<p>Classic EDS is an autosomal dominant disorder (Wenstrup et al., 1996; De Paepe et al., 1997). </p>
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<strong>Cytogenetics</strong>
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<p>Prontera et al. (2010) reported a 42-year old Italian man with a complex EDS phenotype caused by a 13.7-Mb de novo heterozygous deletion of chromosome 2q23.3-q31.2 resulting in deletion of the COL3A1 (120180), COL5A2, and myostatin (MSTN; 601788) genes. Loss of function mutations in COL3A1 (120180) and COL5A2 cause vascular (130050) and classic EDS, respectively. Haploinsufficiency for MSTN results in overgrowth of skeletal muscle. Due to the monosomy for MSTN, the patient had 'an exceptional constitutional muscular mass,' without muscle weakness, myalgia, or easy fatigability. He also had no generalized joint hypomobility or recurrent joint dislocation; symptoms of EDS were limited to recurrent inguinal hernias and mild mitral valve prolapse. Prontera et al. (2010) hypothesized that haploinsufficiency for the MSTN allele exerted a protective effect against EDS clinical manifestations in this patient. The findings also indicated that there is direct involvement of muscle damage in EDS and that care of muscle function in these patients may be beneficial. </p>
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<strong>Molecular Genetics</strong>
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<p>Michalickova et al. (1998) demonstrated heterozygous mutations in the COL5A2 gene (e.g., 120190.0001) in patients mild and severe classic EDS. </p><p>Richards et al. (1998) demonstrated a heterozygous missense mutation in the COL5A2 gene (120190.0003) in a mother and her 2 sons with mild classic EDS. </p><p>Malfait et al. (2005) studied fibroblast cultures from 48 patients with classic EDS for the presence of type V collagen defects. Forty-two (88%) were heterozygous for an expressed polymorphic variant of COL5A1, and cDNA from 18 (43%) expressed only 1 COL5A1 allele. In total, 17 mutations leading to a premature stop codon and 5 structural mutations were identified in the COL5A1 and COL5A2 genes. Four patients had COL5A2 mutations (120190.0004-120190.0007). In 3 patients with a positive COL5A1 null-allele test, no mutation was found. Overall, in 25 of the 48 patients (52%), an abnormality in type V collagen was confirmed. Variability in severity of the phenotype was observed, but no significant genotype-phenotype correlations were found. The relatively low mutation detection rate suggested that other genes are involved in classic EDS. Malfait et al. (2005) excluded COL1A1, COL1A2 (120160), and DCN (125255) as major candidate genes for classic EDS, since they could find no causal mutation in these genes in a number of patients who tested negative for COL5A1 and COL5A2. </p><p>Symoens et al. (2012) analyzed COL5A1 and COL5A2 in 126 patients with a diagnosis or suspicion of classic EDS. In 93 patients, a type V collagen defect was found, of which 73 were COL5A1 mutations, 13 were COL5A2 mutations, and 7 were COL5A1 null-alleles with mutation unknown. The majority of the 73 COL5A1 mutations generated a COL5A1 null-allele, whereas one-third were structural mutations, scattered throughout COL5A1. All COL5A2 mutations were structural mutations. Reduced availability of type V collagen appeared to be the major disease-causing mechanism, besides other intra- and extracellular contributing factors. All type V collagen defects were identified within a group of 102 patients fulfilling all major clinical Villefranche criteria, that is, skin hyperextensibility, dystrophic scarring, and joint hypermobility. No COL5A1/COL5A2 mutation was detected in 24 patients who displayed skin and joint hyperextensibility but lacked dystrophic scarring. Overall, over 90% of patients fulfilling all major Villefranche criteria for classic EDS were shown to harbor a type V collagen defect, indicating that this is the major, if not the only, cause of classic EDS. </p>
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<strong>REFERENCES</strong>
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Beighton, P.
<strong>The Ehlers-Danlos syndromes. In: Beighton, P. (ed.): McKusick&#x27;s Heritable Disorders of Connective Tissue. 5th ed.</strong>
St. Louis: Mosby 1993. Pp. 189-251.
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De Felice, C., Toti, P., Di Maggio, G., Parrini, S., Bagnoli, F.
<strong>Absence of the inferior labial and lingual frenula in Ehlers-Danlos syndrome.</strong>
Lancet 357: 1500-1502, 2001.
[PubMed: 11377605]
[Full Text: https://doi.org/10.1016/S0140-6736(00)04661-4]
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De Paepe, A., Nuytinck, L., Hausser, I., Anton-Lamprecht, I., Naeyaert, J.-M.
<strong>Mutations in the COL5A1 gene are causal in the Ehlers-Danlos syndromes I and II.</strong>
Am. J. Hum. Genet. 60: 547-554, 1997.
[PubMed: 9042913]
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Malfait, F., Coucke, P., Symoens, S., Loeys, B., Nuytinck, L., De Paepe, A.
<strong>The molecular basis of classic Ehlers-Danlos syndrome: a comprehensive study of biochemical and molecular findings in 48 unrelated patients.</strong>
Hum. Mutat. 25: 28-37, 2005.
[PubMed: 15580559]
[Full Text: https://doi.org/10.1002/humu.20107]
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Michalickova, K., Susic, M., Willing, M. C., Wenstrup, R. J., Cole, W. G.
<strong>Mutations of the alpha-2(V) chain of type V collagen impair matrix assembly and produce Ehlers-Danlos syndrome type I.</strong>
Hum. Molec. Genet. 7: 249-255, 1998.
[PubMed: 9425231]
[Full Text: https://doi.org/10.1093/hmg/7.2.249]
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Prontera, P., Belcastro, V., Calabresi, P., Donti, E.
<strong>Myostatin depletion: a therapy for Ehlers-Danlos syndrome?</strong>
Ann. Neurol. 67: 147-148, 2010.
[PubMed: 20186851]
[Full Text: https://doi.org/10.1002/ana.21828]
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Richards, A. J., Martin, S., Nicholls, A. C., Harrison, J. B., Pope, F. M., Burrows, N. P.
<strong>A single base mutation in COL5A2 causes Ehlers-Danlos syndrome type II.</strong>
J. Med. Genet. 35: 846-848, 1998.
[PubMed: 9783710]
[Full Text: https://doi.org/10.1136/jmg.35.10.846]
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Symoens, S., Syx, D., Malfait, F., Callewaert, B., De Backer, J., Vanakker, O., Coucke, P., De Paepe, A.
<strong>Comprehensive molecular analysis demonstrates type V collagen mutations in over 90% of patients with classic EDS and allows to refine diagnostic criteria.</strong>
Hum. Mutat. 33: 1485-1493, 2012.
[PubMed: 22696272]
[Full Text: https://doi.org/10.1002/humu.22137]
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Wenstrup, R. J., Langland, G. T., Willing, M. C., D'Souza, V. N., Cole, W. G.
<strong>A splice-junction mutation in the region of COL5A1 that codes for the carboxyl propeptide of pro-alpha-1(V) chains results in the gravis form of the Ehlers-Danlos syndrome (type I).</strong>
Hum. Molec. Genet. 5: 1733-1736, 1996.
[PubMed: 8923000]
[Full Text: https://doi.org/10.1093/hmg/5.11.1733]
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Nara Sobreira - updated : 2/25/2013<br>Ada Hamosh - updated : 3/6/2003<br>Victor A. McKusick - updated : 6/21/2001<br>Michael J. Wright - updated : 11/9/1998<br>Victor A. McKusick - updated : 3/12/1997
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Victor A. McKusick : 6/4/1986
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