nih-gov/www.ncbi.nlm.nih.gov/omim/604841

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Entry
- #604841 - STICKLER SYNDROME, TYPE II; STL2
- OMIM
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<span class="h4">#604841</span>
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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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<a href="/clinicalSynopsis/604841"><strong>Clinical Synopsis</strong></a>
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<a href="/phenotypicSeries/PS108300"> <strong>Phenotypic Series</strong> </a>
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<a href="#text"><strong>Text</strong></a>
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<a href="#clinicalFeatures">Clinical Features</a>
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<a href="#inheritance">Inheritance</a>
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<a href="#mapping">Mapping</a>
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<a href="#molecularGenetics">Molecular Genetics</a>
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<a href="#genotypePhenotypeCorrelations">Genotype/Phenotype Correlations</a>
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<a href="#diagnosis">Diagnosis</a>
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<a href="#references"><strong>References</strong></a>
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<div><a href="https://clinicaltrials.gov/search?cond=STICKLER SYNDROME, TYPE II" 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>
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<a href="#mimAnimalModelsLinksFold" id="mimAnimalModelsLinksToggle" class="collapsed mimSingletonTriangleToggle" role="button" data-toggle="collapse" data-parent="#mimExternalLinksAccordion">
<div style="display: table-row">
<div id="mimAnimalModelsLinksToggleTriangle" class="small mimSingletonTriangle" style="color: #337CB5; display: table-cell;">&#9658;</div>
&nbsp;
<div style="display: table-cell;">Animal Models</div>
</div>
</a>
</span>
</span>
</div>
<div id="mimAnimalModelsLinksFold" class="panel-collapse collapse mimLinksFold" role="tabpanel">
<div class="panel-body small mim-panel-body">
<div><a href="https://www.alliancegenome.org/disease/DOID:0080675" 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/604841" 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/OMIA002811/" class="mim-tip-hint" title="Online Mendelian Inheritance in Animals (OMIA) is a database of genes, inherited disorders and traits in 191 animal species (other than human and mouse.)" target="_blank">OMIA</a></div>
</div>
</div>
</div>
<div class="panel panel-default" style="margin-top: 0px; border-radius: 0px">
<div class="panel-heading mim-panel-heading" role="tab" id="mimCellLines">
<span class="panel-title">
<span class="small">
<a href="#mimCellLinesLinksFold" id="mimCellLinesLinksToggle" class="collapsed mimSingletonTriangleToggle" role="button" data-toggle="collapse" data-parent="#mimExternalLinksAccordion">
<div style="display: table-row">
<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>
</span>
</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:604841" 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>
</div>
</div>
</div>
</div>
</div>
<span>
<span class="mim-tip-bottom" qtip_title="<strong>Looking for this gene or this phenotype in other resources?</strong>" qtip_text="Select a related resource from the dropdown menu and click for a targeted link to information directly relevant.">
&nbsp;
</span>
</span>
</div>
<div class="col-lg-8 col-lg-pull-2 col-md-8 col-md-pull-2 col-sm-8 col-sm-pull-2 col-xs-12">
<div>
<a id="title" class="mim-anchor"></a>
<div>
<a id="number" class="mim-anchor"></a>
<div class="text-right">
<a href="#" class="mim-tip-icd" qtip_title="<strong>ICD+</strong>" qtip_text="
<strong>SNOMEDCT:</strong> 1010664005<br />
<strong>ORPHA:</strong> 828, 90654<br />
<strong>DO:</strong> 0080675<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>
604841
</span>
</span>
</div>
</div>
<div>
<a id="preferredTitle" class="mim-anchor"></a>
<h3>
<span class="mim-font">
STICKLER SYNDROME, TYPE II; STL2
</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">
STICKLER SYNDROME, VITREOUS TYPE 2<br />
STICKLER SYNDROME, BEADED VITREOUS TYPE
</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/1/847?start=-3&limit=10&highlight=847">
1p21.1
</a>
</span>
</td>
<td>
<span class="mim-font">
Stickler syndrome, type II
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/604841"> 604841 </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">
COL11A1
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/120280"> 120280 </a>
</span>
</td>
</tr>
</tbody>
</table>
</div>
</div>
<div>
<div class="btn-group ">
<a href="/clinicalSynopsis/604841" 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>
</button>
</div>
&nbsp;
<div class="btn-group">
<a href="/phenotypicSeries/PS108300" 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')">
<span class="caret"></span>
<span class="sr-only">Toggle Dropdown</span>
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</div>
&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/604841" target="_blank" onclick="gtag('event', 'mim_graph', {'destination': 'Linear'})"> Linear </a></li>
<li><a href="/graph/radial/604841" 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">
- Normal height <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/309534003" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">309534003</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0587053&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0587053</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">
- Flat midface <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C1858085&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C1858085</a>, <a href="https://bioportal.bioontology.org/search?q=C1853242&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C1853242</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0011800" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0011800</a>, <a href="https://hpo.jax.org/app/browse/term/HP:0000272" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000272</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0011800" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0011800</a>]</span><br /> -
Micrognathia <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/32958008" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">32958008</a>]</span> <span class="mim-feature-ids hidden">[ICD10CM: <a href="https://purl.bioontology.org/ontology/ICD10CM/M26.04" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD10CM\', \'domain\': \'bioontology.org\'})">M26.04</a>]</span> <span class="mim-feature-ids hidden">[ICD9CM: <a href="https://purl.bioontology.org/ontology/ICD9CM/524.04" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD9CM\', \'domain\': \'bioontology.org\'})">524.04</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0025990&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0025990</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000347" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000347</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000347" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000347</a>]</span> <a href="https://elementsofmorphology.nih.gov/index.cgi?tid=9149eccae19753e96defbd69602ab882" target="_blank" class="small mim-tip-eom" title="&lt;img src=&quot;https://elementsofmorphology.nih.gov/images/terms/Micrognathia-small.jpg&quot;&gt; &lt;br/&gt;Further Information: &lt;a href=&quot;https://elementsofmorphology.nih.gov/index.cgi?tid=9149eccae19753e96defbd69602ab882&quot target=&quot;_blank&quot onclick=&quot;gtag(\'event\', \'mim_outbound\', {\'name\': \'EOM\', \'domain\': \'elementsofmorphology.nih.gov\'})&quot;&gt;Elements of Morphology&lt;/a&gt;"><span class="glyphicon glyphicon-user" aria-hidden="true"></span></a><br />
</span>
</div>
</div>
<div>
<div>
<span class="h5 mim-font">
<em> Ears </em>
</span>
</div>
<div style="margin-left: 2em;">
<span class="mim-font">
- Sensorineural hearing loss <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/60700002" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">60700002</a>]</span> <span class="mim-feature-ids hidden">[ICD10CM: <a href="https://purl.bioontology.org/ontology/ICD10CM/H90.5" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD10CM\', \'domain\': \'bioontology.org\'})">H90.5</a>]</span> <span class="mim-feature-ids hidden">[ICD9CM: <a href="https://purl.bioontology.org/ontology/ICD9CM/389.10" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD9CM\', \'domain\': \'bioontology.org\'})">389.10</a>, <a href="https://purl.bioontology.org/ontology/ICD9CM/389.1" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD9CM\', \'domain\': \'bioontology.org\'})">389.1</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0018784&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0018784</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000407" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000407</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000407" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000407</a>]</span><br />
</span>
</div>
</div>
<div>
<div>
<span class="h5 mim-font">
<em> Eyes </em>
</span>
</div>
<div style="margin-left: 2em;">
<span class="mim-font">
- Myopia (onset before 6 years) <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C1858086&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C1858086</a>]</span> <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/57190000" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">57190000</a>]</span> <span class="mim-feature-ids hidden">[ICD10CM: <a href="https://purl.bioontology.org/ontology/ICD10CM/H52.1" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD10CM\', \'domain\': \'bioontology.org\'})">H52.1</a>]</span> <span class="mim-feature-ids hidden">[ICD9CM: <a href="https://purl.bioontology.org/ontology/ICD9CM/367.1" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD9CM\', \'domain\': \'bioontology.org\'})">367.1</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000545" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000545</a>]</span><br /> -
Cataract <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/193570009" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">193570009</a>, <a href="https://purl.bioontology.org/ontology/SNOMEDCT/247053007" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">247053007</a>]</span> <span class="mim-feature-ids hidden">[ICD10CM: <a href="https://purl.bioontology.org/ontology/ICD10CM/H26.9" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD10CM\', \'domain\': \'bioontology.org\'})">H26.9</a>]</span> <span class="mim-feature-ids hidden">[ICD9CM: <a href="https://purl.bioontology.org/ontology/ICD9CM/366" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD9CM\', \'domain\': \'bioontology.org\'})">366</a>, <a href="https://purl.bioontology.org/ontology/ICD9CM/366.9" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD9CM\', \'domain\': \'bioontology.org\'})">366.9</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0086543&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0086543</a>, <a href="https://bioportal.bioontology.org/search?q=C1690964&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C1690964</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000518" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000518</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000518" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000518</a>]</span><br /> -
Type 2 vitreous phenotype (irregularly thickened fiber bundles throughout vitreous cavity) <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C1970089&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C1970089</a>]</span><br /> -
Glaucoma <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/23986001" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">23986001</a>]</span> <span class="mim-feature-ids hidden">[ICD10CM: <a href="https://purl.bioontology.org/ontology/ICD10CM/H40-H42" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD10CM\', \'domain\': \'bioontology.org\'})">H40-H42</a>, <a href="https://purl.bioontology.org/ontology/ICD10CM/H40" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD10CM\', \'domain\': \'bioontology.org\'})">H40</a>, <a href="https://purl.bioontology.org/ontology/ICD10CM/H40.9" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD10CM\', \'domain\': \'bioontology.org\'})">H40.9</a>]</span> <span class="mim-feature-ids hidden">[ICD9CM: <a href="https://purl.bioontology.org/ontology/ICD9CM/365" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD9CM\', \'domain\': \'bioontology.org\'})">365</a>, <a href="https://purl.bioontology.org/ontology/ICD9CM/365.9" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD9CM\', \'domain\': \'bioontology.org\'})">365.9</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0017601&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0017601</a>, <a href="https://bioportal.bioontology.org/search?q=C0997768&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0997768</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000501" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000501</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000501" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000501</a>]</span><br /> -
Retinal detachment <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/42059000" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">42059000</a>]</span> <span class="mim-feature-ids hidden">[ICD10CM: <a href="https://purl.bioontology.org/ontology/ICD10CM/H33.2" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD10CM\', \'domain\': \'bioontology.org\'})">H33.2</a>]</span> <span class="mim-feature-ids hidden">[ICD9CM: <a href="https://purl.bioontology.org/ontology/ICD9CM/361.9" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD9CM\', \'domain\': \'bioontology.org\'})">361.9</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0035305&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0035305</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000541" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000541</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000541" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000541</a>]</span><br />
</span>
</div>
</div>
<div>
<div>
<span class="h5 mim-font">
<em> Nose </em>
</span>
</div>
<div style="margin-left: 2em;">
<span class="mim-font">
- Depressed nasal bridge <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C1836542&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C1836542</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0005280" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0005280</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0005280" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0005280</a>]</span> <a href="https://elementsofmorphology.nih.gov/index.cgi?tid=7043769fd21a78a413fd758918cdda17" target="_blank" class="small mim-tip-eom" title="&lt;img src=&quot;https://elementsofmorphology.nih.gov/images/terms/Nasal_Bridge,Depressed-small.jpg&quot;&gt; &lt;br/&gt;Further Information: &lt;a href=&quot;https://elementsofmorphology.nih.gov/index.cgi?tid=7043769fd21a78a413fd758918cdda17&quot target=&quot;_blank&quot onclick=&quot;gtag(\'event\', \'mim_outbound\', {\'name\': \'EOM\', \'domain\': \'elementsofmorphology.nih.gov\'})&quot;&gt;Elements of Morphology&lt;/a&gt;"><span class="glyphicon glyphicon-user" aria-hidden="true"></span></a><br /> -
Anteverted nares <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/708670007" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">708670007</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C1840077&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C1840077</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000463" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000463</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000463" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000463</a>]</span> <a href="https://elementsofmorphology.nih.gov/index.cgi?tid=656ef0aca7742d97c5769f51f0dd56de" target="_blank" class="small mim-tip-eom" title="&lt;img src=&quot;https://elementsofmorphology.nih.gov/images/terms/Nares,Anteverted-small.jpg&quot;&gt; &lt;br/&gt;Further Information: &lt;a href=&quot;https://elementsofmorphology.nih.gov/index.cgi?tid=656ef0aca7742d97c5769f51f0dd56de&quot target=&quot;_blank&quot onclick=&quot;gtag(\'event\', \'mim_outbound\', {\'name\': \'EOM\', \'domain\': \'elementsofmorphology.nih.gov\'})&quot;&gt;Elements of Morphology&lt;/a&gt;"><span class="glyphicon glyphicon-user" aria-hidden="true"></span></a><br />
</span>
</div>
</div>
<div>
<div>
<span class="h5 mim-font">
<em> Mouth </em>
</span>
</div>
<div style="margin-left: 2em;">
<span class="mim-font">
- Cleft palate <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/63567004" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">63567004</a>, <a href="https://purl.bioontology.org/ontology/SNOMEDCT/87979003" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">87979003</a>]</span> <span class="mim-feature-ids hidden">[ICD10CM: <a href="https://purl.bioontology.org/ontology/ICD10CM/Q35.5" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD10CM\', \'domain\': \'bioontology.org\'})">Q35.5</a>, <a href="https://purl.bioontology.org/ontology/ICD10CM/Q35" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD10CM\', \'domain\': \'bioontology.org\'})">Q35</a>, <a href="https://purl.bioontology.org/ontology/ICD10CM/Q35.9" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD10CM\', \'domain\': \'bioontology.org\'})">Q35.9</a>]</span> <span class="mim-feature-ids hidden">[ICD9CM: <a href="https://purl.bioontology.org/ontology/ICD9CM/749.00" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD9CM\', \'domain\': \'bioontology.org\'})">749.00</a>, <a href="https://purl.bioontology.org/ontology/ICD9CM/749.0" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD9CM\', \'domain\': \'bioontology.org\'})">749.0</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C1837218&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C1837218</a>, <a href="https://bioportal.bioontology.org/search?q=C2981150&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C2981150</a>, <a href="https://bioportal.bioontology.org/search?q=C2240378&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C2240378</a>, <a href="https://bioportal.bioontology.org/search?q=C0008925&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0008925</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000175" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000175</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000175" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000175</a>]</span><br /> -
Pierre-Robin sequence <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/4602007" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">4602007</a>]</span> <span class="mim-feature-ids hidden">[ICD10CM: <a href="https://purl.bioontology.org/ontology/ICD10CM/Q87.0" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD10CM\', \'domain\': \'bioontology.org\'})">Q87.0</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0031900&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0031900</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000201" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000201</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000201" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000201</a>]</span><br /> -
Bifid uvula <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/18910001" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">18910001</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C4551488&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C4551488</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000193" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000193</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000193" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000193</a>]</span> <a href="https://elementsofmorphology.nih.gov/index.cgi?tid=3c22579bdef4e88303964de87353ca6f" target="_blank" class="small mim-tip-eom" title="&lt;img src=&quot;https://elementsofmorphology.nih.gov/images/terms/Uvula,Cleft-small.jpg&quot;&gt; &lt;br/&gt;Further Information: &lt;a href=&quot;https://elementsofmorphology.nih.gov/index.cgi?tid=3c22579bdef4e88303964de87353ca6f&quot target=&quot;_blank&quot onclick=&quot;gtag(\'event\', \'mim_outbound\', {\'name\': \'EOM\', \'domain\': \'elementsofmorphology.nih.gov\'})&quot;&gt;Elements of Morphology&lt;/a&gt;"><span class="glyphicon glyphicon-user" aria-hidden="true"></span></a><br />
</span>
</div>
</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">
- Mild spondyloepiphyseal dysplasia <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C1858088&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C1858088</a>]</span> <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/278713008" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">278713008</a>]</span> <span class="mim-feature-ids hidden">[ICD10CM: <a href="https://purl.bioontology.org/ontology/ICD10CM/Q77.7" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD10CM\', \'domain\': \'bioontology.org\'})">Q77.7</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0002655" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0002655</a>]</span><br />
</span>
</div>
<div>
<div>
<span class="h5 mim-font">
<em> Limbs </em>
</span>
</div>
<div style="margin-left: 2em;">
<span class="mim-font">
- Slender extremities <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C1858089&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C1858089</a>]</span><br /> -
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 /> -
Arthropathy (onset third-fourth decade) <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C1858090&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C1858090</a>]</span> <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/399269003" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">399269003</a>]</span> <span class="mim-feature-ids hidden">[ICD10CM: <a href="https://purl.bioontology.org/ontology/ICD10CM/M12.9" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD10CM\', \'domain\': \'bioontology.org\'})">M12.9</a>, <a href="https://purl.bioontology.org/ontology/ICD10CM/M25.9" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD10CM\', \'domain\': \'bioontology.org\'})">M25.9</a>, <a href="https://purl.bioontology.org/ontology/ICD10CM/M19.90" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD10CM\', \'domain\': \'bioontology.org\'})">M19.90</a>]</span> <span class="mim-feature-ids hidden">[ICD9CM: <a href="https://purl.bioontology.org/ontology/ICD9CM/719.90" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD9CM\', \'domain\': \'bioontology.org\'})">719.90</a>, <a href="https://purl.bioontology.org/ontology/ICD9CM/716.9" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD9CM\', \'domain\': \'bioontology.org\'})">716.9</a>, <a href="https://purl.bioontology.org/ontology/ICD9CM/716.90" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD9CM\', \'domain\': \'bioontology.org\'})">716.90</a>, <a href="https://purl.bioontology.org/ontology/ICD9CM/719.9" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD9CM\', \'domain\': \'bioontology.org\'})">719.9</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0003040" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0003040</a>]</span><br />
</span>
</div>
</div>
<div>
<div>
<span class="h5 mim-font">
<em> Hands </em>
</span>
</div>
<div style="margin-left: 2em;">
<span class="mim-font">
- Long fingers <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C1858091&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C1858091</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0100807" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0100807</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0100807" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0100807</a>]</span> <a href="https://elementsofmorphology.nih.gov/index.cgi?tid=f65c95ca0fea3f33b04946944a50e3ae" target="_blank" class="small mim-tip-eom" title="&lt;img src=&quot;https://elementsofmorphology.nih.gov/images/terms/Fingers,Long-small.jpg&quot;&gt; &lt;br/&gt;Further Information: &lt;a href=&quot;https://elementsofmorphology.nih.gov/index.cgi?tid=f65c95ca0fea3f33b04946944a50e3ae&quot target=&quot;_blank&quot onclick=&quot;gtag(\'event\', \'mim_outbound\', {\'name\': \'EOM\', \'domain\': \'elementsofmorphology.nih.gov\'})&quot;&gt;Elements of Morphology&lt;/a&gt;"><span class="glyphicon glyphicon-user" aria-hidden="true"></span></a><br />
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<strong> MISCELLANEOUS </strong>
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- Allelic to Marshall syndrome (<a href="/entry/154780">154780</a>)<br />
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<strong> MOLECULAR BASIS </strong>
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- Caused by mutation in the collagen XI, alpha-1 polypeptide gene (COL11A1, <a href="/entry/120280#0001">120280.0001</a>)<br />
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<h5>
Stickler syndrome
- <a href="/phenotypicSeries/PS108300">PS108300</a>
- 6 Entries
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<strong>Location</strong>
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<strong>Phenotype</strong>
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<strong>Inheritance</strong>
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<strong>Phenotype<br />mapping key</strong>
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<strong>Phenotype<br />MIM number</strong>
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<strong>Gene/Locus</strong>
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<strong>Gene/Locus<br />MIM number</strong>
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<span class="mim-font">
<a href="/geneMap/1/487?start=-3&limit=10&highlight=487"> 1p34.2 </a>
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<span class="mim-font">
<a href="/entry/614284"> ?Stickler syndrome, type V </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/614284"> 614284 </a>
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<a href="/entry/120260"> COL9A2 </a>
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<a href="/entry/120260"> 120260 </a>
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<span class="mim-font">
<a href="/geneMap/1/847?start=-3&limit=10&highlight=847"> 1p21.1 </a>
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<a href="/entry/604841"> Stickler syndrome, type II </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/604841"> 604841 </a>
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<a href="/entry/120280"> COL11A1 </a>
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<span class="mim-font">
<a href="/entry/120280"> 120280 </a>
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<span class="mim-font">
<a href="/geneMap/6/632?start=-3&limit=10&highlight=632"> 6q13 </a>
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<span class="mim-font">
<a href="/entry/614134"> Stickler syndrome, type IV </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/614134"> 614134 </a>
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<span class="mim-font">
<a href="/entry/120210"> COL9A1 </a>
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<span class="mim-font">
<a href="/entry/120210"> 120210 </a>
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<span class="mim-font">
<a href="/geneMap/12/325?start=-3&limit=10&highlight=325"> 12q13.11 </a>
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<span class="mim-font">
<a href="/entry/609508"> Stickler syndrome, type I, nonsyndromic ocular </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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<span class="mim-font">
<a href="/entry/609508"> 609508 </a>
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<a href="/entry/120140"> COL2A1 </a>
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<span class="mim-font">
<a href="/entry/120140"> 120140 </a>
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<span class="mim-font">
<a href="/geneMap/12/325?start=-3&limit=10&highlight=325"> 12q13.11 </a>
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<span class="mim-font">
<a href="/entry/108300"> Stickler syndrome, type I </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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<span class="mim-font">
<a href="/entry/108300"> 108300 </a>
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<span class="mim-font">
<a href="/entry/120140"> COL2A1 </a>
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<span class="mim-font">
<a href="/entry/120140"> 120140 </a>
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<span class="mim-font">
<a href="/geneMap/20/457?start=-3&limit=10&highlight=457"> 20q13.33 </a>
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<a href="/entry/620022"> Stickler syndrome, type VI </a>
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<abbr class="mim-tip-hint" title="Autosomal recessive">AR</abbr>
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<span class="mim-font">
<abbr class="mim-tip-hint" title="3 - The molecular basis of the disorder is known"> 3 </abbr>
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<a href="/entry/620022"> 620022 </a>
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<a href="/entry/120270"> COL9A3 </a>
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<span class="mim-font">
<a href="/entry/120270"> 120270 </a>
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<strong>TEXT</strong>
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<p>A number sign (#) is used with this entry because of evidence that Stickler syndrome type II (STL2) is caused by heterozygous mutation in the COL11A1 gene (<a href="/entry/120280">120280</a>) on chromosome 1p21.</p><p>Marshall syndrome (<a href="/entry/154780">154780</a>) is an allelic disorder with overlapping features.</p><p>For a general phenotypic description and a discussion of genetic heterogeneity of Stickler syndrome, see <a href="/entry/108300">108300</a>.</p>
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<strong>Clinical Features</strong>
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<p><a href="#7" class="mim-tip-reference" title="Richards, A. J., Yates, J. R. W., Williams, R., Payne, S. J., Pope, F. M., Scott, J. D., Snead, M. P. &lt;strong&gt;A family with Stickler syndrome type 2 has a mutation in the COL11A1 gene resulting in the substitution of glycine 97 by valine in alpha-1(XI) collagen.&lt;/strong&gt; Hum. Molec. Genet. 5: 1339-1343, 1996.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/8872475/&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;8872475&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1093/hmg/5.9.1339&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="8872475">Richards et al. (1996)</a> studied a 4-generation family with 9 normal individuals and 7 affected with Stickler syndrome. All affected individuals had the characteristic ocular, auditory, and orofacial features of Stickler syndrome. They noted that abnormal vitreous architecture is a hallmark of this syndrome and that this feature was a prerequisite for the diagnosis. In all affected individuals there was congenital nonprogressive myopia of a high degree. Linkage to the COL2A1 gene (<a href="/entry/120140">120140</a>) was excluded. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=8872475" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})"><span class="glyphicon glyphicon-plus-sign mim-tip-hint" title="Click this 'reference-plus' icon to see articles related to this paragraph in PubMed."></span></a></p><p><a href="#5" class="mim-tip-reference" title="Martin, S., Richards, A. J., Yates, J. R. W., Scott, J. D., Pope, M., Snead, M. P. &lt;strong&gt;Stickler syndrome: further mutations in COL11A1 and evidence for additional locus heterogeneity.&lt;/strong&gt; Europ. J. Hum. Genet. 7: 807-814, 1999.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/10573014/&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;10573014&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1038/sj.ejhg.5200377&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="10573014">Martin et al. (1999)</a> pointed out that patients with Stickler syndrome type I (<a href="/entry/108300">108300</a>) due to mutations in COL2A1, the most frequent form, exhibit a characteristic 'membranous' or type 1 vitreous phenotype. Those patients with Stickler syndrome type II due to mutations in COL11A1 show a 'beaded' or type 2 vitreous phenotype. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=10573014" 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="#6" class="mim-tip-reference" title="Poulson, A. V., Hooymans, J. M. M., Richards, A. J., Bearcroft, P., Murthy, R., Baguley, D. M., Scott, J. D., Snead, M. P. &lt;strong&gt;Clinical features of type 2 Stickler syndrome.&lt;/strong&gt; J. Med. Genet. 41: e107, 2004. Note: Electronic Article.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/15286167/&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;15286167&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1136/jmg.2004.018382&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="15286167">Poulson et al. (2004)</a> examined 31 affected members from 6 pedigrees with confirmed mutations in the COL11A1 gene, all of whom exhibited the 'beaded' type 2 vitreous phenotype. Twenty-seven (87%) of these patients were myopic, 38% had paravascular lattice retinopathy, and 64% either had cataract or were aphakic or pseudophakic. Of the 15 patients with cataract, 5 exhibited the wedge-shaped cortical opacities typical of Stickler syndrome. Thirteen patients (42%) had suffered retinal detachment, at an average age of 34 years; 6 (19%) had bilateral detachments. Thirty-seven percent showed evidence of midline clefting, and 80% were found to have mild or moderate high-tone sensorineural hearing loss. None had evidence of mitral valve prolapse. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=15286167" 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 STL2 in the family reported by <a href="#7" class="mim-tip-reference" title="Richards, A. J., Yates, J. R. W., Williams, R., Payne, S. J., Pope, F. M., Scott, J. D., Snead, M. P. &lt;strong&gt;A family with Stickler syndrome type 2 has a mutation in the COL11A1 gene resulting in the substitution of glycine 97 by valine in alpha-1(XI) collagen.&lt;/strong&gt; Hum. Molec. Genet. 5: 1339-1343, 1996.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/8872475/&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;8872475&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1093/hmg/5.9.1339&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="8872475">Richards et al. (1996)</a> was consistent with autosomal dominant inheritance. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=8872475" 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="#8" class="mim-tip-reference" title="Sirko-Osadsa, D. A., Zlotogora, J., Tiller, G. E., Knowlton, R. G., Warman, M. L. &lt;strong&gt;A third Stickler syndrome locus is linked to COL11A1, the gene encoding the alpha-1 subunit of collagen XI. (Abstract)&lt;/strong&gt; Am. J. Hum. Genet. 59 (suppl.): A17, 1996."None>Sirko-Osadsa et al. (1996)</a> presented evidence that a form of Stickler syndrome is caused by a mutation in the COL11A1 gene on chromosome 1p21. They identified and used intragenic and highly linked markers of COL11A1 to show that this locus was linked to Stickler syndrome in families in which linkage to COL11A2 (<a href="/entry/120290">120290</a>) and COL2A1 (<a href="/entry/120140">120140</a>) had been excluded.</p><p>In a 4-generation family segregating Stickler syndrome, <a href="#7" class="mim-tip-reference" title="Richards, A. J., Yates, J. R. W., Williams, R., Payne, S. J., Pope, F. M., Scott, J. D., Snead, M. P. &lt;strong&gt;A family with Stickler syndrome type 2 has a mutation in the COL11A1 gene resulting in the substitution of glycine 97 by valine in alpha-1(XI) collagen.&lt;/strong&gt; Hum. Molec. Genet. 5: 1339-1343, 1996.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/8872475/&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;8872475&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1093/hmg/5.9.1339&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="8872475">Richards et al. (1996)</a> excluded linkage to the COL2A1 gene and demonstrated linkage to the COL11A1 gene region. The CA repeat polymorphic markers D1S223 and D1S206, located 2 cM from COL11A1, gave maximum lod scores of 2.7 and 1.2, respectively (theta = 0). <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=8872475" 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 5 families with the type 2 vitreous phenotype, <a href="#5" class="mim-tip-reference" title="Martin, S., Richards, A. J., Yates, J. R. W., Scott, J. D., Pope, M., Snead, M. P. &lt;strong&gt;Stickler syndrome: further mutations in COL11A1 and evidence for additional locus heterogeneity.&lt;/strong&gt; Europ. J. Hum. Genet. 7: 807-814, 1999.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/10573014/&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;10573014&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1038/sj.ejhg.5200377&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="10573014">Martin et al. (1999)</a> searched for linkage in 4 candidate genes: COL2A1, COL5A2 (<a href="/entry/120190">120190</a>), COL11A1, and COL11A2. Two families were linked to COL11A1, and sequencing identified mutations resulting in shortened collagen chains, one through exon skipping and the other through a multiexon deletion. One of the families showed weak linkage to COL5A2 but sequencing the open reading frame failed to identify a mutation. In the remaining 2 families, all 4 loci were excluded by linkage analysis. These data confirmed that mutations in COL11A1 cause Stickler syndrome with the type 2 vitreous phenotype and also revealed further locus heterogeneity. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=10573014" 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 a family with Stickler syndrome showing linkage to COL11A1, <a href="#7" class="mim-tip-reference" title="Richards, A. J., Yates, J. R. W., Williams, R., Payne, S. J., Pope, F. M., Scott, J. D., Snead, M. P. &lt;strong&gt;A family with Stickler syndrome type 2 has a mutation in the COL11A1 gene resulting in the substitution of glycine 97 by valine in alpha-1(XI) collagen.&lt;/strong&gt; Hum. Molec. Genet. 5: 1339-1343, 1996.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/8872475/&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;8872475&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1093/hmg/5.9.1339&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="8872475">Richards et al. (1996)</a> performed mutation analysis of COL11A1 on RT-PCR products using RNA extracted from cultured dermal fibroblasts. In total, 14 overlapping cDNA products, which covered the entire open reading frame, were analyzed. SSCP analysis of cDNA products indicated sequence variation in affected individuals. Sequence analysis revealed that affected individuals were heterozygous for a single-basepair change that led to a substitution of glycine-97 for valine (<a href="/entry/120280#0001">120280.0001</a>) and disruption of the Gly-X-Y collagen sequence. SSCP analysis of 100 chromosomes from 50 unrelated controls revealed only the pattern of bands seen in normal family members. <a href="#7" class="mim-tip-reference" title="Richards, A. J., Yates, J. R. W., Williams, R., Payne, S. J., Pope, F. M., Scott, J. D., Snead, M. P. &lt;strong&gt;A family with Stickler syndrome type 2 has a mutation in the COL11A1 gene resulting in the substitution of glycine 97 by valine in alpha-1(XI) collagen.&lt;/strong&gt; Hum. Molec. Genet. 5: 1339-1343, 1996.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/8872475/&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;8872475&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1093/hmg/5.9.1339&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="8872475">Richards et al. (1996)</a> concluded that whereas mutations in genes encoding collagen XI can give rise to some manifestations of Stickler syndrome, only mutations in COL11A1 lead to the full syndrome with vitreoretinal features. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=8872475" 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="Majava, M., Hoornaert, K. P., Bartholdi, D., Bouma, M. C., Bouman, K., Carrera, M., Devriendt, K., Hurst, J., Kitsos, G., Niedrist, D., Petersen, M. B., Shears, D., Stolte-Dijkstra, I., Van Hagen, J. M., Ala-Kokko, L., Mannikko, M., Mortier, G. R. &lt;strong&gt;A report on 10 new patients with heterozygous mutations in the COL11A1 gene and a review of genotype-phenotype correlations in type XI collagenopathies.&lt;/strong&gt; Am. J. Med. Genet. 143A: 258-264, 2007.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/17236192/&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;17236192&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1002/ajmg.a.31586&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="17236192">Majava et al. (2007)</a> analyzed 44 patients with a phenotype suggestive of Stickler syndrome or Marshall syndrome who were negative for mutations in the COL2A1 gene, and they identified mutations in COL11A1 in 10 patients (see, e.g., <a href="/entry/120280#0002">120280.0002</a> and <a href="/entry/120280#0006">120280.0006</a>). Four of the 10 mutation-positive patients were diagnosed with Marshall syndrome, but the remaining 6 showed an overlapping Marshall/Stickler phenotype. <a href="#4" class="mim-tip-reference" title="Majava, M., Hoornaert, K. P., Bartholdi, D., Bouma, M. C., Bouman, K., Carrera, M., Devriendt, K., Hurst, J., Kitsos, G., Niedrist, D., Petersen, M. B., Shears, D., Stolte-Dijkstra, I., Van Hagen, J. M., Ala-Kokko, L., Mannikko, M., Mortier, G. R. &lt;strong&gt;A report on 10 new patients with heterozygous mutations in the COL11A1 gene and a review of genotype-phenotype correlations in type XI collagenopathies.&lt;/strong&gt; Am. J. Med. Genet. 143A: 258-264, 2007.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/17236192/&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;17236192&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1002/ajmg.a.31586&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="17236192">Majava et al. (2007)</a> concluded that heterozygous COL11A1 mutations can result in either Marshall syndrome or Stickler syndrome, and also in phenotypes that are difficult to classify with respect to the 2 disorders. A type I vitreous anomaly was diagnosed in a patient with a mutation in COL11A1 (<a href="/entry/120280#0006">120280.0006</a>), suggesting that the vitreous phenotype does not always allow prediction of the defective gene in Stickler and Marshall syndromes. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=17236192" 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="Annunen, S., Korkko, J., Czarny, M., Warman, M. L., Brunner, H. G., Kaariainen, H., Mulliken, J. B., Tranebjaerg, L., Brooks, D. G., Cox, G. F., Cruysberg, J. R., Curtis, M. A., and 13 others. &lt;strong&gt;Splicing mutations of 54-bp exons in the COL11A1 gene cause Marshall syndrome, but other mutations cause overlapping Marshall/Stickler phenotypes.&lt;/strong&gt; Am. J. Hum. Genet. 65: 974-983, 1999.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/10486316/&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;10486316&lt;/a&gt;, &lt;a href=&quot;https://www.ncbi.nlm.nih.gov/pmc/?term=10486316[PMID]&amp;report=imagesdocsum&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed Image&#x27;, &#x27;domain&#x27;: &#x27;ncbi.nlm.nih.gov&#x27;})&quot;&gt;images&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1086/302585&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="10486316">Annunen et al. (1999)</a> identified 15 novel mutations in the COL11A1 gene and 8 in the COL2A1 gene in patients with Marshall syndrome, Stickler syndrome, or Stickler-like syndrome. Most of the mutations in the COL11A1 gene altered the splicing consensus sequences, but all of them affected the splicing-consensus sequences of 54-bp exons, as reported by <a href="#3" class="mim-tip-reference" title="Griffith, A. J., Sprunger, L. K., Sirko-Osadsa, D. A., Tiller, G. E., Meisler, M. H., Warman, M. L. &lt;strong&gt;Marshall syndrome associated with a splicing defect at the COL11A1 gene.&lt;/strong&gt; Am. J. Hum. Genet. 62: 816-823, 1998.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/9529347/&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;9529347&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1086/301789&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="9529347">Griffith et al. (1998)</a>. In addition, 1 patient had a genomic deletion resulting in the loss of a 54-bp exon. Nine out of 10 of these mutations affected the splicing of 54-bp exons in the region spanning exons 38 to 54 of the gene. Although more than one-third of the exons in this region are 90 or 108 bp long, no splicing mutations were found in them. Six of the COL2A1 gene mutations resulted in a premature translation-termination codon, and 2 of the mutations altered the splicing-consensus sequences. These 2 patients had features typical of Stickler syndrome, with no signs of more severe chondrodysplasias, such as spondyloepiphyseal dysplasia (<a href="/entry/183900">183900</a>) or Kniest dysplasia (<a href="/entry/156550">156550</a>). For this reason, it is likely that the mutations in the splicing-consensus sequences lead to cryptic splice sites and thus to premature translation-termination codons, as was reported in the original Stickler kindred; see <a href="/entry/120140#0024">120140.0024</a>. Some phenotypic differences between Stickler syndrome patients with COL2A1 mutations and those with COL11A1 mutations related to deafness. With only 1 exception, the COL11A1 mutations were associated by early-onset hearing loss, requiring hearing aids, whereas the patients with COL2A1 mutations had normal hearing or only slight hearing impairment. There were also differences in ocular findings. Although almost all of the patients with COL2A1 mutations had vitreoretinal degeneration and retinal detachment, those with COL11A1 mutations seldom showed such eye findings. <a href="#2" class="mim-tip-reference" title="Annunen, S., Korkko, J., Czarny, M., Warman, M. L., Brunner, H. G., Kaariainen, H., Mulliken, J. B., Tranebjaerg, L., Brooks, D. G., Cox, G. F., Cruysberg, J. R., Curtis, M. A., and 13 others. &lt;strong&gt;Splicing mutations of 54-bp exons in the COL11A1 gene cause Marshall syndrome, but other mutations cause overlapping Marshall/Stickler phenotypes.&lt;/strong&gt; Am. J. Hum. Genet. 65: 974-983, 1999.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/10486316/&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;10486316&lt;/a&gt;, &lt;a href=&quot;https://www.ncbi.nlm.nih.gov/pmc/?term=10486316[PMID]&amp;report=imagesdocsum&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed Image&#x27;, &#x27;domain&#x27;: &#x27;ncbi.nlm.nih.gov&#x27;})&quot;&gt;images&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1086/302585&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="10486316">Annunen et al. (1999)</a> concluded that patients with a splicing mutation in a 54-bp exon or with a mutation causing a 54-bp deletion in the C-terminal half of the COL11A1 gene more frequently showed the findings of Marshall syndrome, and that the mutations in the COL2A1 gene leading to a premature translation-termination codon caused the more classic Stickler syndrome phenotype. This genotype-phenotype correlation supported the old suspicion of 2 separate entities. However, other mutations in the COL11A1 gene resulted in overlapping phenotypes of Marshall and Stickler syndromes, possibly explaining the conflicting reports on the nosology of these 2 entities. <a href="https://pubmed.ncbi.nlm.nih.gov/?term=9529347+10486316" 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="#1" class="mim-tip-reference" title="Ang, A., Ung, T., Puvanachandra, N., Wilson, L., Howard, F., Ryalls, M., Richards, A., Meredith, S., Laidlaw, M., Poulson, A., Scott, J., Snead, M. &lt;strong&gt;Vitreous phenotype: a key diagnostic sign in Stickler syndrome types 1 and 2 complicated by double heterozygosity.&lt;/strong&gt; Am. J. Med. Genet. 143A: 604-607, 2007.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/17318849/&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;17318849&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1002/ajmg.a.31527&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="17318849">Ang et al. (2007)</a> emphasized the importance of vitreous examination and vitreoretinal phenotyping in the diagnosis of Stickler syndrome. The authors reported 2 unrelated patients who were each found to have 2 dominant gene defects. A female had Albright hereditary osteodystrophy (AHO; <a href="/entry/103580">103580</a>) resulting from a maternal GNAS1 (<a href="/entry/139320">139320</a>) mutation and Stickler syndrome type I (<a href="/entry/108300">108300</a>) resulting from a de novo COL2A1 mutation. An unrelated male had Treacher-Collins syndrome (TCOF; <a href="/entry/154500">154500</a>) inherited from the father and Stickler syndrome type II resulting from a maternal COL11A1 mutation. The cases illustrated the difficulty in diagnosing Stickler syndrome based on facial and systemic examination alone, particularly when features of other disorders are present. In both patients, Stickler syndrome was diagnosed later than AHO and TCOF, respectively, but prophylactic cryotherapy was successful in the girl. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=17318849" 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="Ang2007" class="mim-anchor"></a>
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Ang, A., Ung, T., Puvanachandra, N., Wilson, L., Howard, F., Ryalls, M., Richards, A., Meredith, S., Laidlaw, M., Poulson, A., Scott, J., Snead, M.
<strong>Vitreous phenotype: a key diagnostic sign in Stickler syndrome types 1 and 2 complicated by double heterozygosity.</strong>
Am. J. Med. Genet. 143A: 604-607, 2007.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/17318849/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">17318849</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=17318849" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">related citations</a>]
[<a href="https://doi.org/10.1002/ajmg.a.31527" target="_blank">Full Text</a>]
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<a id="Annunen1999" class="mim-anchor"></a>
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Annunen, S., Korkko, J., Czarny, M., Warman, M. L., Brunner, H. G., Kaariainen, H., Mulliken, J. B., Tranebjaerg, L., Brooks, D. G., Cox, G. F., Cruysberg, J. R., Curtis, M. A., and 13 others.
<strong>Splicing mutations of 54-bp exons in the COL11A1 gene cause Marshall syndrome, but other mutations cause overlapping Marshall/Stickler phenotypes.</strong>
Am. J. Hum. Genet. 65: 974-983, 1999.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/10486316/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">10486316</a>, <a href="https://www.ncbi.nlm.nih.gov/pmc/?term=10486316[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=10486316" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">related citations</a>]
[<a href="https://doi.org/10.1086/302585" target="_blank">Full Text</a>]
</p>
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<a id="3" class="mim-anchor"></a>
<a id="Griffith1998" class="mim-anchor"></a>
<div class="">
<p class="mim-text-font">
Griffith, A. J., Sprunger, L. K., Sirko-Osadsa, D. A., Tiller, G. E., Meisler, M. H., Warman, M. L.
<strong>Marshall syndrome associated with a splicing defect at the COL11A1 gene.</strong>
Am. J. Hum. Genet. 62: 816-823, 1998.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/9529347/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">9529347</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=9529347" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">related citations</a>]
[<a href="https://doi.org/10.1086/301789" target="_blank">Full Text</a>]
</p>
</div>
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<a id="4" class="mim-anchor"></a>
<a id="Majava2007" class="mim-anchor"></a>
<div class="">
<p class="mim-text-font">
Majava, M., Hoornaert, K. P., Bartholdi, D., Bouma, M. C., Bouman, K., Carrera, M., Devriendt, K., Hurst, J., Kitsos, G., Niedrist, D., Petersen, M. B., Shears, D., Stolte-Dijkstra, I., Van Hagen, J. M., Ala-Kokko, L., Mannikko, M., Mortier, G. R.
<strong>A report on 10 new patients with heterozygous mutations in the COL11A1 gene and a review of genotype-phenotype correlations in type XI collagenopathies.</strong>
Am. J. Med. Genet. 143A: 258-264, 2007.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/17236192/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">17236192</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=17236192" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">related citations</a>]
[<a href="https://doi.org/10.1002/ajmg.a.31586" target="_blank">Full Text</a>]
</p>
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<a id="5" class="mim-anchor"></a>
<a id="Martin1999" class="mim-anchor"></a>
<div class="">
<p class="mim-text-font">
Martin, S., Richards, A. J., Yates, J. R. W., Scott, J. D., Pope, M., Snead, M. P.
<strong>Stickler syndrome: further mutations in COL11A1 and evidence for additional locus heterogeneity.</strong>
Europ. J. Hum. Genet. 7: 807-814, 1999.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/10573014/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">10573014</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=10573014" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">related citations</a>]
[<a href="https://doi.org/10.1038/sj.ejhg.5200377" target="_blank">Full Text</a>]
</p>
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<a id="6" class="mim-anchor"></a>
<a id="Poulson2004" class="mim-anchor"></a>
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<p class="mim-text-font">
Poulson, A. V., Hooymans, J. M. M., Richards, A. J., Bearcroft, P., Murthy, R., Baguley, D. M., Scott, J. D., Snead, M. P.
<strong>Clinical features of type 2 Stickler syndrome.</strong>
J. Med. Genet. 41: e107, 2004. Note: Electronic Article.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/15286167/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">15286167</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=15286167" 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.2004.018382" target="_blank">Full Text</a>]
</p>
</div>
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<a id="7" class="mim-anchor"></a>
<a id="Richards1996" class="mim-anchor"></a>
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<p class="mim-text-font">
Richards, A. J., Yates, J. R. W., Williams, R., Payne, S. J., Pope, F. M., Scott, J. D., Snead, M. P.
<strong>A family with Stickler syndrome type 2 has a mutation in the COL11A1 gene resulting in the substitution of glycine 97 by valine in alpha-1(XI) collagen.</strong>
Hum. Molec. Genet. 5: 1339-1343, 1996.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/8872475/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">8872475</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=8872475" 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/5.9.1339" target="_blank">Full Text</a>]
</p>
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<a id="8" class="mim-anchor"></a>
<a id="Sirko-Osadsa1996" class="mim-anchor"></a>
<div class="">
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Sirko-Osadsa, D. A., Zlotogora, J., Tiller, G. E., Knowlton, R. G., Warman, M. L.
<strong>A third Stickler syndrome locus is linked to COL11A1, the gene encoding the alpha-1 subunit of collagen XI. (Abstract)</strong>
Am. J. Hum. Genet. 59 (suppl.): A17, 1996.
</p>
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Cassandra L. Kniffin - updated : 4/10/2007
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Marla J. F. O'Neill - updated : 3/15/2007
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Victor A. McKusick : 4/16/2000
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alopez : 12/14/2022
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carol : 08/04/2011<br>wwang : 4/13/2007<br>ckniffin : 4/10/2007<br>wwang : 3/16/2007<br>terry : 3/15/2007<br>carol : 6/16/2000<br>carol : 4/17/2000
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<h3>
<span class="mim-font">
<strong>#</strong> 604841
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STICKLER SYNDROME, TYPE II; STL2
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<em>Alternative titles; symbols</em>
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STICKLER SYNDROME, VITREOUS TYPE 2<br />
STICKLER SYNDROME, BEADED VITREOUS TYPE
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<strong>SNOMEDCT:</strong> 1010664005; &nbsp;
<strong>ORPHA:</strong> 828, 90654; &nbsp;
<strong>DO:</strong> 0080675; &nbsp;
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<strong>Phenotype-Gene Relationships</strong>
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<table class="table table-bordered table-condensed small mim-table-padding">
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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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<span class="mim-font">
1p21.1
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Stickler syndrome, type II
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604841
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Autosomal dominant
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3
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COL11A1
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120280
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<strong>TEXT</strong>
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<p>A number sign (#) is used with this entry because of evidence that Stickler syndrome type II (STL2) is caused by heterozygous mutation in the COL11A1 gene (120280) on chromosome 1p21.</p><p>Marshall syndrome (154780) is an allelic disorder with overlapping features.</p><p>For a general phenotypic description and a discussion of genetic heterogeneity of Stickler syndrome, see 108300.</p>
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<strong>Clinical Features</strong>
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<p>Richards et al. (1996) studied a 4-generation family with 9 normal individuals and 7 affected with Stickler syndrome. All affected individuals had the characteristic ocular, auditory, and orofacial features of Stickler syndrome. They noted that abnormal vitreous architecture is a hallmark of this syndrome and that this feature was a prerequisite for the diagnosis. In all affected individuals there was congenital nonprogressive myopia of a high degree. Linkage to the COL2A1 gene (120140) was excluded. </p><p>Martin et al. (1999) pointed out that patients with Stickler syndrome type I (108300) due to mutations in COL2A1, the most frequent form, exhibit a characteristic 'membranous' or type 1 vitreous phenotype. Those patients with Stickler syndrome type II due to mutations in COL11A1 show a 'beaded' or type 2 vitreous phenotype. </p><p>Poulson et al. (2004) examined 31 affected members from 6 pedigrees with confirmed mutations in the COL11A1 gene, all of whom exhibited the 'beaded' type 2 vitreous phenotype. Twenty-seven (87%) of these patients were myopic, 38% had paravascular lattice retinopathy, and 64% either had cataract or were aphakic or pseudophakic. Of the 15 patients with cataract, 5 exhibited the wedge-shaped cortical opacities typical of Stickler syndrome. Thirteen patients (42%) had suffered retinal detachment, at an average age of 34 years; 6 (19%) had bilateral detachments. Thirty-seven percent showed evidence of midline clefting, and 80% were found to have mild or moderate high-tone sensorineural hearing loss. None had evidence of mitral valve prolapse. </p>
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<strong>Inheritance</strong>
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<p>The transmission pattern of STL2 in the family reported by Richards et al. (1996) was consistent with autosomal dominant inheritance. </p>
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<strong>Mapping</strong>
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<p>Sirko-Osadsa et al. (1996) presented evidence that a form of Stickler syndrome is caused by a mutation in the COL11A1 gene on chromosome 1p21. They identified and used intragenic and highly linked markers of COL11A1 to show that this locus was linked to Stickler syndrome in families in which linkage to COL11A2 (120290) and COL2A1 (120140) had been excluded.</p><p>In a 4-generation family segregating Stickler syndrome, Richards et al. (1996) excluded linkage to the COL2A1 gene and demonstrated linkage to the COL11A1 gene region. The CA repeat polymorphic markers D1S223 and D1S206, located 2 cM from COL11A1, gave maximum lod scores of 2.7 and 1.2, respectively (theta = 0). </p><p>In 5 families with the type 2 vitreous phenotype, Martin et al. (1999) searched for linkage in 4 candidate genes: COL2A1, COL5A2 (120190), COL11A1, and COL11A2. Two families were linked to COL11A1, and sequencing identified mutations resulting in shortened collagen chains, one through exon skipping and the other through a multiexon deletion. One of the families showed weak linkage to COL5A2 but sequencing the open reading frame failed to identify a mutation. In the remaining 2 families, all 4 loci were excluded by linkage analysis. These data confirmed that mutations in COL11A1 cause Stickler syndrome with the type 2 vitreous phenotype and also revealed further locus heterogeneity. </p>
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<strong>Molecular Genetics</strong>
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<p>In a family with Stickler syndrome showing linkage to COL11A1, Richards et al. (1996) performed mutation analysis of COL11A1 on RT-PCR products using RNA extracted from cultured dermal fibroblasts. In total, 14 overlapping cDNA products, which covered the entire open reading frame, were analyzed. SSCP analysis of cDNA products indicated sequence variation in affected individuals. Sequence analysis revealed that affected individuals were heterozygous for a single-basepair change that led to a substitution of glycine-97 for valine (120280.0001) and disruption of the Gly-X-Y collagen sequence. SSCP analysis of 100 chromosomes from 50 unrelated controls revealed only the pattern of bands seen in normal family members. Richards et al. (1996) concluded that whereas mutations in genes encoding collagen XI can give rise to some manifestations of Stickler syndrome, only mutations in COL11A1 lead to the full syndrome with vitreoretinal features. </p><p>Majava et al. (2007) analyzed 44 patients with a phenotype suggestive of Stickler syndrome or Marshall syndrome who were negative for mutations in the COL2A1 gene, and they identified mutations in COL11A1 in 10 patients (see, e.g., 120280.0002 and 120280.0006). Four of the 10 mutation-positive patients were diagnosed with Marshall syndrome, but the remaining 6 showed an overlapping Marshall/Stickler phenotype. Majava et al. (2007) concluded that heterozygous COL11A1 mutations can result in either Marshall syndrome or Stickler syndrome, and also in phenotypes that are difficult to classify with respect to the 2 disorders. A type I vitreous anomaly was diagnosed in a patient with a mutation in COL11A1 (120280.0006), suggesting that the vitreous phenotype does not always allow prediction of the defective gene in Stickler and Marshall syndromes. </p>
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<span class="mim-font">
<strong>Genotype/Phenotype Correlations</strong>
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<p>Annunen et al. (1999) identified 15 novel mutations in the COL11A1 gene and 8 in the COL2A1 gene in patients with Marshall syndrome, Stickler syndrome, or Stickler-like syndrome. Most of the mutations in the COL11A1 gene altered the splicing consensus sequences, but all of them affected the splicing-consensus sequences of 54-bp exons, as reported by Griffith et al. (1998). In addition, 1 patient had a genomic deletion resulting in the loss of a 54-bp exon. Nine out of 10 of these mutations affected the splicing of 54-bp exons in the region spanning exons 38 to 54 of the gene. Although more than one-third of the exons in this region are 90 or 108 bp long, no splicing mutations were found in them. Six of the COL2A1 gene mutations resulted in a premature translation-termination codon, and 2 of the mutations altered the splicing-consensus sequences. These 2 patients had features typical of Stickler syndrome, with no signs of more severe chondrodysplasias, such as spondyloepiphyseal dysplasia (183900) or Kniest dysplasia (156550). For this reason, it is likely that the mutations in the splicing-consensus sequences lead to cryptic splice sites and thus to premature translation-termination codons, as was reported in the original Stickler kindred; see 120140.0024. Some phenotypic differences between Stickler syndrome patients with COL2A1 mutations and those with COL11A1 mutations related to deafness. With only 1 exception, the COL11A1 mutations were associated by early-onset hearing loss, requiring hearing aids, whereas the patients with COL2A1 mutations had normal hearing or only slight hearing impairment. There were also differences in ocular findings. Although almost all of the patients with COL2A1 mutations had vitreoretinal degeneration and retinal detachment, those with COL11A1 mutations seldom showed such eye findings. Annunen et al. (1999) concluded that patients with a splicing mutation in a 54-bp exon or with a mutation causing a 54-bp deletion in the C-terminal half of the COL11A1 gene more frequently showed the findings of Marshall syndrome, and that the mutations in the COL2A1 gene leading to a premature translation-termination codon caused the more classic Stickler syndrome phenotype. This genotype-phenotype correlation supported the old suspicion of 2 separate entities. However, other mutations in the COL11A1 gene resulted in overlapping phenotypes of Marshall and Stickler syndromes, possibly explaining the conflicting reports on the nosology of these 2 entities. </p>
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<strong>Diagnosis</strong>
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<p>Ang et al. (2007) emphasized the importance of vitreous examination and vitreoretinal phenotyping in the diagnosis of Stickler syndrome. The authors reported 2 unrelated patients who were each found to have 2 dominant gene defects. A female had Albright hereditary osteodystrophy (AHO; 103580) resulting from a maternal GNAS1 (139320) mutation and Stickler syndrome type I (108300) resulting from a de novo COL2A1 mutation. An unrelated male had Treacher-Collins syndrome (TCOF; 154500) inherited from the father and Stickler syndrome type II resulting from a maternal COL11A1 mutation. The cases illustrated the difficulty in diagnosing Stickler syndrome based on facial and systemic examination alone, particularly when features of other disorders are present. In both patients, Stickler syndrome was diagnosed later than AHO and TCOF, respectively, but prophylactic cryotherapy was successful in the girl. </p>
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<h4>
<span class="mim-font">
<strong>REFERENCES</strong>
</span>
</h4>
<div>
<p />
</div>
<div>
<ol>
<li>
<p class="mim-text-font">
Ang, A., Ung, T., Puvanachandra, N., Wilson, L., Howard, F., Ryalls, M., Richards, A., Meredith, S., Laidlaw, M., Poulson, A., Scott, J., Snead, M.
<strong>Vitreous phenotype: a key diagnostic sign in Stickler syndrome types 1 and 2 complicated by double heterozygosity.</strong>
Am. J. Med. Genet. 143A: 604-607, 2007.
[PubMed: 17318849]
[Full Text: https://doi.org/10.1002/ajmg.a.31527]
</p>
</li>
<li>
<p class="mim-text-font">
Annunen, S., Korkko, J., Czarny, M., Warman, M. L., Brunner, H. G., Kaariainen, H., Mulliken, J. B., Tranebjaerg, L., Brooks, D. G., Cox, G. F., Cruysberg, J. R., Curtis, M. A., and 13 others.
<strong>Splicing mutations of 54-bp exons in the COL11A1 gene cause Marshall syndrome, but other mutations cause overlapping Marshall/Stickler phenotypes.</strong>
Am. J. Hum. Genet. 65: 974-983, 1999.
[PubMed: 10486316]
[Full Text: https://doi.org/10.1086/302585]
</p>
</li>
<li>
<p class="mim-text-font">
Griffith, A. J., Sprunger, L. K., Sirko-Osadsa, D. A., Tiller, G. E., Meisler, M. H., Warman, M. L.
<strong>Marshall syndrome associated with a splicing defect at the COL11A1 gene.</strong>
Am. J. Hum. Genet. 62: 816-823, 1998.
[PubMed: 9529347]
[Full Text: https://doi.org/10.1086/301789]
</p>
</li>
<li>
<p class="mim-text-font">
Majava, M., Hoornaert, K. P., Bartholdi, D., Bouma, M. C., Bouman, K., Carrera, M., Devriendt, K., Hurst, J., Kitsos, G., Niedrist, D., Petersen, M. B., Shears, D., Stolte-Dijkstra, I., Van Hagen, J. M., Ala-Kokko, L., Mannikko, M., Mortier, G. R.
<strong>A report on 10 new patients with heterozygous mutations in the COL11A1 gene and a review of genotype-phenotype correlations in type XI collagenopathies.</strong>
Am. J. Med. Genet. 143A: 258-264, 2007.
[PubMed: 17236192]
[Full Text: https://doi.org/10.1002/ajmg.a.31586]
</p>
</li>
<li>
<p class="mim-text-font">
Martin, S., Richards, A. J., Yates, J. R. W., Scott, J. D., Pope, M., Snead, M. P.
<strong>Stickler syndrome: further mutations in COL11A1 and evidence for additional locus heterogeneity.</strong>
Europ. J. Hum. Genet. 7: 807-814, 1999.
[PubMed: 10573014]
[Full Text: https://doi.org/10.1038/sj.ejhg.5200377]
</p>
</li>
<li>
<p class="mim-text-font">
Poulson, A. V., Hooymans, J. M. M., Richards, A. J., Bearcroft, P., Murthy, R., Baguley, D. M., Scott, J. D., Snead, M. P.
<strong>Clinical features of type 2 Stickler syndrome.</strong>
J. Med. Genet. 41: e107, 2004. Note: Electronic Article.
[PubMed: 15286167]
[Full Text: https://doi.org/10.1136/jmg.2004.018382]
</p>
</li>
<li>
<p class="mim-text-font">
Richards, A. J., Yates, J. R. W., Williams, R., Payne, S. J., Pope, F. M., Scott, J. D., Snead, M. P.
<strong>A family with Stickler syndrome type 2 has a mutation in the COL11A1 gene resulting in the substitution of glycine 97 by valine in alpha-1(XI) collagen.</strong>
Hum. Molec. Genet. 5: 1339-1343, 1996.
[PubMed: 8872475]
[Full Text: https://doi.org/10.1093/hmg/5.9.1339]
</p>
</li>
<li>
<p class="mim-text-font">
Sirko-Osadsa, D. A., Zlotogora, J., Tiller, G. E., Knowlton, R. G., Warman, M. L.
<strong>A third Stickler syndrome locus is linked to COL11A1, the gene encoding the alpha-1 subunit of collagen XI. (Abstract)</strong>
Am. J. Hum. Genet. 59 (suppl.): A17, 1996.
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