nih-gov/www.ncbi.nlm.nih.gov/omim/611383

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Entry
- #611383 - USHER SYNDROME, TYPE IID; USH2D
- OMIM
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<span class="h4">#611383</span>
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<strong>Table of Contents</strong>
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<a href="#title"><strong>Title</strong></a>
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<a href="#phenotypeMap"><strong>Phenotype-Gene Relationships</strong></a>
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<a href="/clinicalSynopsis/611383"><strong>Clinical Synopsis</strong></a>
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<a href="/phenotypicSeries/PS276900"> <strong>Phenotypic Series</strong> </a>
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<a href="#text"><strong>Text</strong></a>
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<a href="#description">Description</a>
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<li role="presentation" style="margin-left: 1em">
<a href="#clinicalFeatures">Clinical Features</a>
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<li role="presentation" style="margin-left: 1em">
<a href="#inheritance">Inheritance</a>
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<li role="presentation" style="margin-left: 1em">
<a href="#molecularGenetics">Molecular Genetics</a>
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<li role="presentation" style="margin-left: 1em">
<a href="#genotypePhenotypeCorrelations">Genotype/Phenotype Correlations</a>
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<a href="#references"><strong>References</strong></a>
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<a href="#contributors"><strong>Contributors</strong></a>
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<a href="#creationDate"><strong>Creation Date</strong></a>
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<div><a href="https://clinicaltrials.gov/search?cond=USHER SYNDROME, TYPE IID" 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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<div style="margin-left: 0.5em;"><a href="https://www.orpha.net/consor/cgi-bin/ClinicalLabs_Search_Simple.php?lng=EN&LnkId=19168&Typ=Pat" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'EuroGentest', 'domain': 'orpha.net'})">Usher syndrome type 2&nbsp;</a></div><div style="margin-left: 0.5em;"><a href="https://www.orpha.net/consor/cgi-bin/ClinicalLabs_Search_Simple.php?lng=EN&LnkId=662&Typ=Pat" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'EuroGentest', 'domain': 'orpha.net'})">Usher syndrome&nbsp;</a></div>
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<a href="#mimAnimalModelsLinksFold" id="mimAnimalModelsLinksToggle" class="collapsed mimSingletonTriangleToggle" role="button" data-toggle="collapse" data-parent="#mimExternalLinksAccordion">
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<div id="mimAnimalModelsLinksToggleTriangle" class="small mimSingletonTriangle" style="color: #337CB5; display: table-cell;">&#9658;</div>
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<div style="display: table-cell;">Animal Models</div>
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<div class="panel-body small mim-panel-body">
<div><a href="https://www.alliancegenome.org/disease/DOID:0110840" 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/611383" 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>
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<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;
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<div class="col-lg-8 col-lg-pull-2 col-md-8 col-md-pull-2 col-sm-8 col-sm-pull-2 col-xs-12">
<div>
<a id="title" class="mim-anchor"></a>
<div>
<a id="number" class="mim-anchor"></a>
<div class="text-right">
<a href="#" class="mim-tip-icd" qtip_title="<strong>ICD+</strong>" qtip_text="
<strong>ORPHA:</strong> 231178, 886<br />
<strong>DO:</strong> 0110840<br />
">ICD+</a>
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<div>
<span class="h3">
<span class="mim-font mim-tip-hint" title="Phenotype description, molecular basis known">
<span class="text-danger"><strong>#</strong></span>
611383
</span>
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<div>
<a id="preferredTitle" class="mim-anchor"></a>
<h3>
<span class="mim-font">
USHER SYNDROME, TYPE IID; USH2D
</span>
</h3>
</div>
<div>
<br />
</div>
</div>
<div>
<a id="phenotypeMap" class="mim-anchor"></a>
<h4>
<span class="mim-font">
<strong>Phenotype-Gene Relationships</strong>
</span>
</h4>
<div>
<table class="table table-bordered table-condensed table-hover small mim-table-padding">
<thead>
<tr class="active">
<th>
Location
</th>
<th>
Phenotype
</th>
<th>
Phenotype <br /> MIM number
</th>
<th>
Inheritance
</th>
<th>
Phenotype <br /> mapping key
</th>
<th>
Gene/Locus
</th>
<th>
Gene/Locus <br /> MIM number
</th>
</tr>
</thead>
<tbody>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/9/443?start=-3&limit=10&highlight=443">
9q32
</a>
</span>
</td>
<td>
<span class="mim-font">
Usher syndrome, type 2D
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/611383"> 611383 </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal recessive">AR</abbr>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="3 - The molecular basis of the disorder is known"> 3 </abbr>
</span>
</td>
<td>
<span class="mim-font">
WHRN
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/607928"> 607928 </a>
</span>
</td>
</tr>
</tbody>
</table>
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<a href="/clinicalSynopsis/611383" class="btn btn-warning" role="button"> Clinical Synopsis </a>
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PheneGene Graphics <span class="caret"></span>
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<ul class="dropdown-menu" style="width: 17em;">
<li><a href="/graph/linear/611383" target="_blank" onclick="gtag('event', 'mim_graph', {'destination': 'Linear'})"> Linear </a></li>
<li><a href="/graph/radial/611383" target="_blank" onclick="gtag('event', 'mim_graph', {'destination': 'Radial'})"> Radial </a></li>
</ul>
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<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 />
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<div id="mimClinicalSynopsisFold" class="well well-sm collapse mimSingletonToggleFold">
<div class="small" style="margin: 5px">
<div>
<div>
<span class="h5 mim-font">
<strong> INHERITANCE </strong>
</span>
</div>
<div style="margin-left: 2em;">
<div>
<span class="mim-font">
- Autosomal recessive <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/258211005" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">258211005</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0441748&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0441748</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000007" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000007</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000007" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000007</a>]</span><br />
</span>
</div>
</div>
</div>
<div>
<div>
<span class="h5 mim-font">
<strong> HEAD & NECK </strong>
</span>
</div>
<div style="margin-left: 2em;">
<div>
<div>
<span class="h5 mim-font">
<em> Ears </em>
</span>
</div>
<div style="margin-left: 2em;">
<span class="mim-font">
- Hearing loss, congenital, moderate <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C4230032&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C4230032</a>]</span><br /> -
No vestibular dysfunction <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C3810254&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C3810254</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">
- Night vision blindness <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C4230031&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C4230031</a>]</span><br /> -
Cataract, subcapsular (in some patients) <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/95723009" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">95723009</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0235259&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0235259</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000523" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000523</a>]</span><br /> -
Retinitis pigmentosa <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/28835009" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">28835009</a>]</span> <span class="mim-feature-ids hidden">[ICD10CM: <a href="https://purl.bioontology.org/ontology/ICD10CM/H35.52" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD10CM\', \'domain\': \'bioontology.org\'})">H35.52</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0035334&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0035334</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000510" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000510</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000510" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000510</a>]</span><br /> -
Bone-spicule pigmentation in midperiphery of retina <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C4013104&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C4013104</a>]</span><br /> -
Waxy optic disc appearance <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C3808614&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C3808614</a>]</span><br /> -
Attenuated retinal vessels, mild to moderate <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C5563104&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C5563104</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0007843" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0007843</a>]</span><br />
</span>
</div>
</div>
</div>
</div>
<div>
<div>
<span class="h5 mim-font">
<strong> MISCELLANEOUS </strong>
</span>
</div>
<div style="margin-left: 2em;">
<div>
<span class="mim-font">
- Onset of vision loss in young adulthood (<20 years)<br />
</span>
</div>
</div>
</div>
<div>
<div>
<span class="h5 mim-font">
<strong> MOLECULAR BASIS </strong>
</span>
</div>
<div style="margin-left: 2em;">
<div>
<span class="mim-font">
- Caused by mutation in the whirlin gene (WHRN, <a href="/entry/607928#0002">607928.0002</a>)<br />
</span>
</div>
</div>
</div>
<div class="text-right">
<a href="#mimClinicalSynopsisFold" data-toggle="collapse">&#9650;&nbsp;Close</a>
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<div class="small">
<div class="row">
<div class="col-lg-12 col-md-12 col-sm-12 col-xs-12">
<h5>
Usher syndrome
- <a href="/phenotypicSeries/PS276900">PS276900</a>
- 20 Entries
</h5>
</div>
</div>
<div class="row" style="margin-left: 0.125em; margin-right: 0.125em;">
<table class="table table-bordered table-condensed table-hover mim-table-padding">
<thead>
<tr>
<th class="col-lg-1 col-md-1 col-sm-1 col-xs-1 text-nowrap">
<strong>Location</strong>
</th>
<th class="col-lg-5 col-md-5 col-sm-5 col-xs-6 text-nowrap">
<strong>Phenotype</strong>
</th>
<th class="col-lg-1 col-md-1 col-sm-1 col-xs-1 text-nowrap">
<strong>Inheritance</strong>
</th>
<th class="col-lg-1 col-md-1 col-sm-1 col-xs-1 text-nowrap">
<strong>Phenotype<br />mapping key</strong>
</th>
<th class="col-lg-1 col-md-1 col-sm-1 col-xs-1 text-nowrap">
<strong>Phenotype<br />MIM number</strong>
</th>
<th class="col-lg-1 col-md-1 col-sm-1 col-xs-1 text-nowrap">
<strong>Gene/Locus</strong>
</th>
<th class="col-lg-1 col-md-1 col-sm-1 col-xs-1 text-nowrap">
<strong>Gene/Locus<br />MIM number</strong>
</th>
</tr>
</thead>
<tbody>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/1/1707?start=-3&limit=10&highlight=1707"> 1q41 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/276901"> Usher syndrome, type 2A </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal recessive">AR</abbr>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="3 - The molecular basis of the disorder is known"> 3 </abbr>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/276901"> 276901 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/608400"> USH2A </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/608400"> 608400 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/3/783?start=-3&limit=10&highlight=783"> 3q25.1 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/276902"> Usher syndrome, type 3A </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal recessive">AR</abbr>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="3 - The molecular basis of the disorder is known"> 3 </abbr>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/276902"> 276902 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/606397"> CLRN1 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/606397"> 606397 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/5/322?start=-3&limit=10&highlight=322"> 5q14.3 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/605472"> Usher syndrome, type 2C, GPR98/PDZD7 digenic </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal recessive">AR</abbr>, <abbr class="mim-tip-hint" title="Digenic dominant">DD</abbr>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="3 - The molecular basis of the disorder is known"> 3 </abbr>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/605472"> 605472 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/602851"> ADGRV1 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/602851"> 602851 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/5/322?start=-3&limit=10&highlight=322"> 5q14.3 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/605472"> Usher syndrome, type 2C </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal recessive">AR</abbr>, <abbr class="mim-tip-hint" title="Digenic dominant">DD</abbr>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="3 - The molecular basis of the disorder is known"> 3 </abbr>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/605472"> 605472 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/602851"> ADGRV1 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/602851"> 602851 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/5/544?start=-3&limit=10&highlight=544"> 5q31.3 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/614504"> Usher syndrome type 3B </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal recessive">AR</abbr>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="3 - The molecular basis of the disorder is known"> 3 </abbr>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/614504"> 614504 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/142810"> HARS1 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/142810"> 142810 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/9/443?start=-3&limit=10&highlight=443"> 9q32 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/611383"> Usher syndrome, type 2D </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal recessive">AR</abbr>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="3 - The molecular basis of the disorder is known"> 3 </abbr>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/611383"> 611383 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/607928"> WHRN </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/607928"> 607928 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/10/144?start=-3&limit=10&highlight=144"> 10p11.21-q21.1 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/614990"> Usher syndrome, type IK </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal recessive">AR</abbr>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="2 - The disorder was placed on the map by statistical methods"> 2 </abbr>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/614990"> 614990 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/614990"> USH1K </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/614990"> 614990 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/10/209?start=-3&limit=10&highlight=209"> 10q21.1 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/601067"> Usher syndrome, type 1D/F digenic </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal recessive">AR</abbr>, <abbr class="mim-tip-hint" title="Digenic recessive">DR</abbr>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="3 - The molecular basis of the disorder is known"> 3 </abbr>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/601067"> 601067 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/605514"> PCDH15 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/605514"> 605514 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/10/209?start=-3&limit=10&highlight=209"> 10q21.1 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/602083"> Usher syndrome, type 1F </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal recessive">AR</abbr>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="3 - The molecular basis of the disorder is known"> 3 </abbr>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/602083"> 602083 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/605514"> PCDH15 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/605514"> 605514 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/10/281?start=-3&limit=10&highlight=281"> 10q22.1 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/601067"> Usher syndrome, type 1D/F digenic </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal recessive">AR</abbr>, <abbr class="mim-tip-hint" title="Digenic recessive">DR</abbr>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="3 - The molecular basis of the disorder is known"> 3 </abbr>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/601067"> 601067 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/605516"> CDH23 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/605516"> 605516 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/10/281?start=-3&limit=10&highlight=281"> 10q22.1 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/601067"> Usher syndrome, type 1D </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal recessive">AR</abbr>, <abbr class="mim-tip-hint" title="Digenic recessive">DR</abbr>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="3 - The molecular basis of the disorder is known"> 3 </abbr>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/601067"> 601067 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/605516"> CDH23 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/605516"> 605516 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/10/491?start=-3&limit=10&highlight=491"> 10q24.31 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/605472"> Usher syndrome, type IIC, GPR98/PDZD7 digenic </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal recessive">AR</abbr>, <abbr class="mim-tip-hint" title="Digenic dominant">DD</abbr>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="3 - The molecular basis of the disorder is known"> 3 </abbr>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/605472"> 605472 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/612971"> PDZD7 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/612971"> 612971 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/10/491?start=-3&limit=10&highlight=491"> 10q24.31 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/276901"> {Retinal disease in Usher syndrome type IIA, modifier of} </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal recessive">AR</abbr>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="3 - The molecular basis of the disorder is known"> 3 </abbr>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/276901"> 276901 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/612971"> PDZD7 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/612971"> 612971 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/11/210?start=-3&limit=10&highlight=210"> 11p15.1 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/276904"> Usher syndrome, type 1C </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal recessive">AR</abbr>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="3 - The molecular basis of the disorder is known"> 3 </abbr>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/276904"> 276904 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/605242"> USH1C </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/605242"> 605242 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/11/775?start=-3&limit=10&highlight=775"> 11q13.5 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/276900"> Usher syndrome, type 1B </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal recessive">AR</abbr>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="3 - The molecular basis of the disorder is known"> 3 </abbr>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/276900"> 276900 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/276903"> MYO7A </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/276903"> 276903 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/15/252?start=-3&limit=10&highlight=252"> 15q22-q23 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/612632"> Usher syndrome, type 1H </a>
</span>
</td>
<td>
<span class="mim-font">
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="2 - The disorder was placed on the map by statistical methods"> 2 </abbr>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/612632"> 612632 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/612632"> USH1H </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/612632"> 612632 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/15/421?start=-3&limit=10&highlight=421"> 15q25.1 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/614869"> Usher syndrome, type IJ </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal recessive">AR</abbr>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="3 - The molecular basis of the disorder is known"> 3 </abbr>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/614869"> 614869 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/605564"> CIB2 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/605564"> 605564 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/17/879?start=-3&limit=10&highlight=879"> 17q24.2 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/618144"> Usher syndrome, type IV </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal recessive">AR</abbr>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="3 - The molecular basis of the disorder is known"> 3 </abbr>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/618144"> 618144 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/610008"> ARSG </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/610008"> 610008 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/17/925?start=-3&limit=10&highlight=925"> 17q25.1 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/606943"> Usher syndrome, type 1G </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal recessive">AR</abbr>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="3 - The molecular basis of the disorder is known"> 3 </abbr>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/606943"> 606943 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/607696"> USH1G </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/607696"> 607696 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/21/16?start=-3&limit=10&highlight=16"> 21q21 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/602097"> Usher syndrome, type 1E </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal recessive">AR</abbr>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="2 - The disorder was placed on the map by statistical methods"> 2 </abbr>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/602097"> 602097 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/602097"> USH1E </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/602097"> 602097 </a>
</span>
</td>
</tr>
</tbody>
</table>
</div>
<div class="text-right small">
<a href="#mimPhenotypicSeriesFold" data-toggle="collapse">&#9650;&nbsp;Close</a>
</div>
</div>
</div>
</div>
<div>
<br />
</div>
<div>
<a id="text" class="mim-anchor"></a>
<h4 href="#mimTextFold" id="mimTextToggle" class="mimTriangleToggle" style="cursor: pointer;" data-toggle="collapse">
<span id="mimTextToggleTriangle" class="small mimTextToggleTriangle">&#9660;</span>
<span class="mim-font">
<span class="mim-tip-floating" qtip_title="<strong>Looking For More References?</strong>" qtip_text="Click the 'reference plus' icon &lt;span class='glyphicon glyphicon-plus-sign'&gt;&lt;/span&gt at the end of each OMIM text paragraph to see more references related to the content of the preceding paragraph.">
<strong>TEXT</strong>
</span>
</span>
</h4>
<div id="mimTextFold" class="collapse in ">
<span class="mim-text-font">
<p>A number sign (#) is used with this entry because of evidence that type IID Usher syndrome (USH2D) is caused by homozygous or compound heterozygous mutation in the WHRN gene (<a href="/entry/607928">607928</a>) on chromosome 9q32.</p><p>WHRN mutation has also been shown to cause a form of autosomal recessive nonsyndromic deafness, DFNB31 (<a href="/entry/607084">607084</a>).</p>
</span>
<div>
<br />
</div>
</div>
<div>
<a id="description" class="mim-anchor"></a>
<h4 href="#mimDescriptionFold" id="mimDescriptionToggle" class="mimTriangleToggle" style="cursor: pointer;" data-toggle="collapse">
<span id="mimDescriptionToggleTriangle" class="small mimTextToggleTriangle">&#9660;</span>
<span class="mim-font">
<strong>Description</strong>
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</h4>
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<div id="mimDescriptionFold" class="collapse in ">
<span class="mim-text-font">
<p>Usher syndrome is a clinically and genetically heterogeneous autosomal recessive disorder characterized by sensorineural hearing deficiencies at birth and later development of progressive retinitis pigmentosa (RP). It is the most frequent cause of combined deafness and blindness in adults and affects 3 to 6% of children born with hearing impairment. In brief, patients with Usher syndrome type II have mild hearing impairment with normal vestibular responses. Type II is the most common of the 3 Usher syndromes (<a href="#4" class="mim-tip-reference" title="Eudy, J. D., Weston, M. D., Yao, S., Hoover, D. M., Rehm, H. L., Ma-Edmonds, M., Yan, D., Ahmad, I., Cheng, J. J., Ayuso, C., Cremers, C., Davenport, S., Moller, C., Talmadge, C. B., Beisel, K. W., Tamayo, M., Morton, C. C., Swaroop, A., Kimberling, W. J., Sumegi, J. &lt;strong&gt;Mutation of a gene encoding a protein with extracellular matrix motifs in Usher syndrome type IIa.&lt;/strong&gt; Science 280: 1753-1757, 1998.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/9624053/&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;9624053&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1126/science.280.5370.1753&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="9624053">Eudy et al., 1998</a>). <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=9624053" 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>See <a href="/entry/276900">276900</a> for clinical characterization of Usher syndrome types I, II, and III.</p><p>For a discussion of genetic heterogeneity of Usher syndrome type II, see USH2A (<a href="/entry/276901">276901</a>).</p>
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<br />
</div>
</div>
<div>
<a id="clinicalFeatures" class="mim-anchor"></a>
<h4 href="#mimClinicalFeaturesFold" id="mimClinicalFeaturesToggle" class="mimTriangleToggle" style="cursor: pointer;" data-toggle="collapse">
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<span class="mim-font">
<strong>Clinical Features</strong>
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</h4>
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<div id="mimClinicalFeaturesFold" class="collapse in mimTextToggleFold">
<span class="mim-text-font">
<p><a href="#3" class="mim-tip-reference" title="Ebermann, I., Scholl, H. P. N., Issa, P. C., Becirovic, E., Lamprecht, J., Jurklies, B., Millan, J. M., Aller, E., Mitter, D., Bolz, H. &lt;strong&gt;A novel gene for Usher syndrome type 2: mutations in the long isoform of whirlin are associated with retinitis pigmentosa and sensorineural hearing loss.&lt;/strong&gt; Hum. Genet. 121: 203-211, 2007.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/17171570/&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;17171570&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1007/s00439-006-0304-0&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="17171570">Ebermann et al. (2007)</a> studied a German family in which 2 sibs had mild to moderate congenital hearing impairment and retinitis pigmentosa without vestibular dysfunction. Haplotype analysis excluded known Usher syndrome loci, but the affected individuals shared common haplotypes for the markers of the DFNB31 locus. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=17171570" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})"><span class="glyphicon glyphicon-plus-sign mim-tip-hint" title="Click this 'reference-plus' icon to see articles related to this paragraph in PubMed."></span></a></p>
</span>
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<br />
</div>
</div>
<div>
<a id="inheritance" class="mim-anchor"></a>
<h4 href="#mimInheritanceFold" id="mimInheritanceToggle" class="mimTriangleToggle" style="cursor: pointer;" data-toggle="collapse">
<span id="mimInheritanceToggleTriangle" class="small mimTextToggleTriangle">&#9660;</span>
<span class="mim-font">
<strong>Inheritance</strong>
</span>
</h4>
</div>
<div id="mimInheritanceFold" class="collapse in mimTextToggleFold">
<span class="mim-text-font">
<p>The transmission pattern of USH2D in the family reported by <a href="#3" class="mim-tip-reference" title="Ebermann, I., Scholl, H. P. N., Issa, P. C., Becirovic, E., Lamprecht, J., Jurklies, B., Millan, J. M., Aller, E., Mitter, D., Bolz, H. &lt;strong&gt;A novel gene for Usher syndrome type 2: mutations in the long isoform of whirlin are associated with retinitis pigmentosa and sensorineural hearing loss.&lt;/strong&gt; Hum. Genet. 121: 203-211, 2007.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/17171570/&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;17171570&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1007/s00439-006-0304-0&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="17171570">Ebermann et al. (2007)</a> was consistent with autosomal recessive inheritance. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=17171570" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})"><span class="glyphicon glyphicon-plus-sign mim-tip-hint" title="Click this 'reference-plus' icon to see articles related to this paragraph in PubMed."></span></a></p>
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</div>
<div>
<a id="molecularGenetics" class="mim-anchor"></a>
<h4 href="#mimMolecularGeneticsFold" id="mimMolecularGeneticsToggle" class="mimTriangleToggle" style="cursor: pointer;" data-toggle="collapse">
<span id="mimMolecularGeneticsToggleTriangle" class="small mimTextToggleTriangle">&#9660;</span>
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<strong>Molecular Genetics</strong>
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</h4>
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<p>By sequence analysis of a German family with Usher syndrome type IID, <a href="#3" class="mim-tip-reference" title="Ebermann, I., Scholl, H. P. N., Issa, P. C., Becirovic, E., Lamprecht, J., Jurklies, B., Millan, J. M., Aller, E., Mitter, D., Bolz, H. &lt;strong&gt;A novel gene for Usher syndrome type 2: mutations in the long isoform of whirlin are associated with retinitis pigmentosa and sensorineural hearing loss.&lt;/strong&gt; Hum. Genet. 121: 203-211, 2007.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/17171570/&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;17171570&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1007/s00439-006-0304-0&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="17171570">Ebermann et al. (2007)</a> identified compound heterozygosity for a nonsense mutation (<a href="/entry/607928#0002">607928.0002</a>) and a splice site mutation (<a href="/entry/607928#0003">607928.0003</a>) in the WHRN gene. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=17171570" 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 2 of 31 French USH2 patients who were not linked to the USH2A locus (<a href="/entry/608400">608400</a>), <a href="#2" class="mim-tip-reference" title="Besnard, T., Vache, C., Baux, D., Larrieu, L., Abadie, C., Blanchet, C., Odent, S., Blanchet, P., Calvas, P., Hamel, C., Dollfus, H., Lina-Granade, G., Lespinasse, J., David, A., Isidor, B., Morin, G., Malcolm, S., Tuffery-Giraud, S., Claustres, M., Roux, A.-F. &lt;strong&gt;Non-USH2A mutations in USH2 patients.&lt;/strong&gt; Hum. Mutat. 33: 504-510, 2012.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/22147658/&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;22147658&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1002/humu.22004&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="22147658">Besnard et al. (2012)</a> identified homozygosity and compound heterozygosity for WHRN mutations, respectively (<a href="/entry/607928#0004">607928.0004</a>; <a href="/entry/607928#0005">607928.0005</a>). <a href="#2" class="mim-tip-reference" title="Besnard, T., Vache, C., Baux, D., Larrieu, L., Abadie, C., Blanchet, C., Odent, S., Blanchet, P., Calvas, P., Hamel, C., Dollfus, H., Lina-Granade, G., Lespinasse, J., David, A., Isidor, B., Morin, G., Malcolm, S., Tuffery-Giraud, S., Claustres, M., Roux, A.-F. &lt;strong&gt;Non-USH2A mutations in USH2 patients.&lt;/strong&gt; Hum. Mutat. 33: 504-510, 2012.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/22147658/&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;22147658&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1002/humu.22004&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="22147658">Besnard et al. (2012)</a> concluded that WHRN mutations account for a very small proportion of mutations causing USH2 (1.3%). <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=22147658" 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="genotypePhenotypeCorrelations" class="mim-anchor"></a>
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<strong>Genotype/Phenotype Correlations</strong>
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<p><a href="#1" class="mim-tip-reference" title="Abadie, C., Blanchet, C., Baux, D., Larrieu, L., Besnard, T., Ravel, P., Biboulet, R., Hamel, C., Malcolm, S., Mondain, M., Claustres, M., Roux, A.-F. &lt;strong&gt;Audiological findings in 100 USH2 patients.&lt;/strong&gt; Clin. Genet. 82: 433-438, 2012.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/21895633/&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;21895633&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1111/j.1399-0004.2011.01772.x&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="21895633">Abadie et al. (2012)</a> analyzed the audiologic findings in 100 USH2 patients, including 88 with USH2A (<a href="/entry/608400">608400</a>) mutations, 10 with GPR98 (<a href="/entry/602851">602851</a>) mutations, and 2 with WHRN mutations. The median age of diagnosis of hearing loss was 5 years (range, 8 months to 31 years), but some patients may have had earlier onset. Usher syndrome was diagnosed at a median age of 34.5 years. Most patients (76%) had moderate hearing loss and most (66%) had a gently down-sloping audiogram. The median pure tone average (PTA) was 59.7 dB. There were no significant differences between patients with USH2A and GPR98 mutations, but the GPR98 cases had a higher proportion of severe hearing loss (40%) compared to USH2A cases (16%). Among all groups, cut-off frequencies were noted at 500-1000 Hz. There was some intrafamilial variability. Overall, <a href="#1" class="mim-tip-reference" title="Abadie, C., Blanchet, C., Baux, D., Larrieu, L., Besnard, T., Ravel, P., Biboulet, R., Hamel, C., Malcolm, S., Mondain, M., Claustres, M., Roux, A.-F. &lt;strong&gt;Audiological findings in 100 USH2 patients.&lt;/strong&gt; Clin. Genet. 82: 433-438, 2012.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/21895633/&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;21895633&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1111/j.1399-0004.2011.01772.x&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="21895633">Abadie et al. (2012)</a> concluded that it is not possible to predict the mutated gene from audiograms in patients with USH2. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=21895633" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})"><span class="glyphicon glyphicon-plus-sign mim-tip-hint" title="Click this 'reference-plus' icon to see articles related to this paragraph in PubMed."></span></a></p>
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<strong>REFERENCES</strong>
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<div id="mimReferencesFold" class="collapse in mimTextToggleFold">
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<a id="1" class="mim-anchor"></a>
<a id="Abadie2012" class="mim-anchor"></a>
<div class="">
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Abadie, C., Blanchet, C., Baux, D., Larrieu, L., Besnard, T., Ravel, P., Biboulet, R., Hamel, C., Malcolm, S., Mondain, M., Claustres, M., Roux, A.-F.
<strong>Audiological findings in 100 USH2 patients.</strong>
Clin. Genet. 82: 433-438, 2012.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/21895633/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">21895633</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=21895633" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">related citations</a>]
[<a href="https://doi.org/10.1111/j.1399-0004.2011.01772.x" target="_blank">Full Text</a>]
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<a id="Besnard2012" class="mim-anchor"></a>
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Besnard, T., Vache, C., Baux, D., Larrieu, L., Abadie, C., Blanchet, C., Odent, S., Blanchet, P., Calvas, P., Hamel, C., Dollfus, H., Lina-Granade, G., Lespinasse, J., David, A., Isidor, B., Morin, G., Malcolm, S., Tuffery-Giraud, S., Claustres, M., Roux, A.-F.
<strong>Non-USH2A mutations in USH2 patients.</strong>
Hum. Mutat. 33: 504-510, 2012.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/22147658/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">22147658</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=22147658" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">related citations</a>]
[<a href="https://doi.org/10.1002/humu.22004" target="_blank">Full Text</a>]
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<a id="Ebermann2007" class="mim-anchor"></a>
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Ebermann, I., Scholl, H. P. N., Issa, P. C., Becirovic, E., Lamprecht, J., Jurklies, B., Millan, J. M., Aller, E., Mitter, D., Bolz, H.
<strong>A novel gene for Usher syndrome type 2: mutations in the long isoform of whirlin are associated with retinitis pigmentosa and sensorineural hearing loss.</strong>
Hum. Genet. 121: 203-211, 2007.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/17171570/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">17171570</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=17171570" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">related citations</a>]
[<a href="https://doi.org/10.1007/s00439-006-0304-0" target="_blank">Full Text</a>]
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<a id="Eudy1998" class="mim-anchor"></a>
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Eudy, J. D., Weston, M. D., Yao, S., Hoover, D. M., Rehm, H. L., Ma-Edmonds, M., Yan, D., Ahmad, I., Cheng, J. J., Ayuso, C., Cremers, C., Davenport, S., Moller, C., Talmadge, C. B., Beisel, K. W., Tamayo, M., Morton, C. C., Swaroop, A., Kimberling, W. J., Sumegi, J.
<strong>Mutation of a gene encoding a protein with extracellular matrix motifs in Usher syndrome type IIa.</strong>
Science 280: 1753-1757, 1998.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/9624053/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">9624053</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=9624053" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">related citations</a>]
[<a href="https://doi.org/10.1126/science.280.5370.1753" target="_blank">Full Text</a>]
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Cassandra L. Kniffin - updated : 2/26/2013
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Marla J. F. O'Neill - updated : 6/8/2012
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Marla J. F. O&#x27;Neill : 8/27/2007
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carol : 03/26/2024
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carol : 04/15/2014<br>mcolton : 4/15/2014<br>carol : 3/4/2013<br>ckniffin : 2/26/2013<br>terry : 6/8/2012<br>wwang : 2/7/2011<br>wwang : 8/27/2007
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<strong>#</strong> 611383
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USHER SYNDROME, TYPE IID; USH2D
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<strong>ORPHA:</strong> 231178, 886; &nbsp;
<strong>DO:</strong> 0110840; &nbsp;
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<strong>Phenotype-Gene Relationships</strong>
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Location
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Phenotype
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Phenotype <br /> MIM number
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Inheritance
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Phenotype <br /> mapping key
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Gene/Locus
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Gene/Locus <br /> MIM number
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9q32
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Usher syndrome, type 2D
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611383
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Autosomal recessive
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3
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WHRN
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607928
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<strong>TEXT</strong>
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<p>A number sign (#) is used with this entry because of evidence that type IID Usher syndrome (USH2D) is caused by homozygous or compound heterozygous mutation in the WHRN gene (607928) on chromosome 9q32.</p><p>WHRN mutation has also been shown to cause a form of autosomal recessive nonsyndromic deafness, DFNB31 (607084).</p>
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<strong>Description</strong>
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<p>Usher syndrome is a clinically and genetically heterogeneous autosomal recessive disorder characterized by sensorineural hearing deficiencies at birth and later development of progressive retinitis pigmentosa (RP). It is the most frequent cause of combined deafness and blindness in adults and affects 3 to 6% of children born with hearing impairment. In brief, patients with Usher syndrome type II have mild hearing impairment with normal vestibular responses. Type II is the most common of the 3 Usher syndromes (Eudy et al., 1998). </p><p>See 276900 for clinical characterization of Usher syndrome types I, II, and III.</p><p>For a discussion of genetic heterogeneity of Usher syndrome type II, see USH2A (276901).</p>
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<strong>Clinical Features</strong>
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<p>Ebermann et al. (2007) studied a German family in which 2 sibs had mild to moderate congenital hearing impairment and retinitis pigmentosa without vestibular dysfunction. Haplotype analysis excluded known Usher syndrome loci, but the affected individuals shared common haplotypes for the markers of the DFNB31 locus. </p>
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<strong>Inheritance</strong>
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<p>The transmission pattern of USH2D in the family reported by Ebermann et al. (2007) was consistent with autosomal recessive inheritance. </p>
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<strong>Molecular Genetics</strong>
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<p>By sequence analysis of a German family with Usher syndrome type IID, Ebermann et al. (2007) identified compound heterozygosity for a nonsense mutation (607928.0002) and a splice site mutation (607928.0003) in the WHRN gene. </p><p>In 2 of 31 French USH2 patients who were not linked to the USH2A locus (608400), Besnard et al. (2012) identified homozygosity and compound heterozygosity for WHRN mutations, respectively (607928.0004; 607928.0005). Besnard et al. (2012) concluded that WHRN mutations account for a very small proportion of mutations causing USH2 (1.3%). </p>
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<span class="mim-font">
<strong>Genotype/Phenotype Correlations</strong>
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<p>Abadie et al. (2012) analyzed the audiologic findings in 100 USH2 patients, including 88 with USH2A (608400) mutations, 10 with GPR98 (602851) mutations, and 2 with WHRN mutations. The median age of diagnosis of hearing loss was 5 years (range, 8 months to 31 years), but some patients may have had earlier onset. Usher syndrome was diagnosed at a median age of 34.5 years. Most patients (76%) had moderate hearing loss and most (66%) had a gently down-sloping audiogram. The median pure tone average (PTA) was 59.7 dB. There were no significant differences between patients with USH2A and GPR98 mutations, but the GPR98 cases had a higher proportion of severe hearing loss (40%) compared to USH2A cases (16%). Among all groups, cut-off frequencies were noted at 500-1000 Hz. There was some intrafamilial variability. Overall, Abadie et al. (2012) concluded that it is not possible to predict the mutated gene from audiograms in patients with USH2. </p>
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<strong>REFERENCES</strong>
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<p />
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<p class="mim-text-font">
Abadie, C., Blanchet, C., Baux, D., Larrieu, L., Besnard, T., Ravel, P., Biboulet, R., Hamel, C., Malcolm, S., Mondain, M., Claustres, M., Roux, A.-F.
<strong>Audiological findings in 100 USH2 patients.</strong>
Clin. Genet. 82: 433-438, 2012.
[PubMed: 21895633]
[Full Text: https://doi.org/10.1111/j.1399-0004.2011.01772.x]
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<li>
<p class="mim-text-font">
Besnard, T., Vache, C., Baux, D., Larrieu, L., Abadie, C., Blanchet, C., Odent, S., Blanchet, P., Calvas, P., Hamel, C., Dollfus, H., Lina-Granade, G., Lespinasse, J., David, A., Isidor, B., Morin, G., Malcolm, S., Tuffery-Giraud, S., Claustres, M., Roux, A.-F.
<strong>Non-USH2A mutations in USH2 patients.</strong>
Hum. Mutat. 33: 504-510, 2012.
[PubMed: 22147658]
[Full Text: https://doi.org/10.1002/humu.22004]
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<p class="mim-text-font">
Ebermann, I., Scholl, H. P. N., Issa, P. C., Becirovic, E., Lamprecht, J., Jurklies, B., Millan, J. M., Aller, E., Mitter, D., Bolz, H.
<strong>A novel gene for Usher syndrome type 2: mutations in the long isoform of whirlin are associated with retinitis pigmentosa and sensorineural hearing loss.</strong>
Hum. Genet. 121: 203-211, 2007.
[PubMed: 17171570]
[Full Text: https://doi.org/10.1007/s00439-006-0304-0]
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Eudy, J. D., Weston, M. D., Yao, S., Hoover, D. M., Rehm, H. L., Ma-Edmonds, M., Yan, D., Ahmad, I., Cheng, J. J., Ayuso, C., Cremers, C., Davenport, S., Moller, C., Talmadge, C. B., Beisel, K. W., Tamayo, M., Morton, C. C., Swaroop, A., Kimberling, W. J., Sumegi, J.
<strong>Mutation of a gene encoding a protein with extracellular matrix motifs in Usher syndrome type IIa.</strong>
Science 280: 1753-1757, 1998.
[PubMed: 9624053]
[Full Text: https://doi.org/10.1126/science.280.5370.1753]
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