nih-gov/www.ncbi.nlm.nih.gov/omim/617992

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<title>
Entry
- #617992 - DEAFNESS, CONGENITAL HEART DEFECTS, AND POSTERIOR EMBRYOTOXON; DCHE
- OMIM
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<span class="h4">#617992</span>
<br />
<strong>Table of Contents</strong>
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<a href="#title"><strong>Title</strong></a>
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<a href="#phenotypeMap"><strong>Phenotype-Gene Relationships</strong></a>
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<a href="/clinicalSynopsis/617992"><strong>Clinical Synopsis</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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<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">
<a href="#references"><strong>References</strong></a>
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<li role="presentation">
<a href="#creationDate"><strong>Creation Date</strong></a>
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<div><a href="https://clinicaltrials.gov/search?cond=(DEAFNESS, CONGENITAL HEART DEFECTS, POSTERIOR EMBRYOTOXON) OR (JAG1)" class="mim-tip-hint" title="Clinical Trials" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'Clinical Trials', 'domain': 'clinicaltrials.gov'})">Clinical Trials</a></div>
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<span class="h3">
<span class="mim-font mim-tip-hint" title="Phenotype description, molecular basis known">
<span class="text-danger"><strong>#</strong></span>
617992
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<h3>
<span class="mim-font">
DEAFNESS, CONGENITAL HEART DEFECTS, AND POSTERIOR EMBRYOTOXON; DCHE
</span>
</h3>
</div>
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<br />
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<strong>Phenotype-Gene Relationships</strong>
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<thead>
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<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>
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<td>
<span class="mim-font">
<a href="/geneMap/20/99?start=-3&limit=10&highlight=99">
20p12.2
</a>
</span>
</td>
<td>
<span class="mim-font">
?Deafness, congenital heart defects, and posterior embryotoxon
<span class="mim-tip-hint" title="A question mark (?) indicates that the relationship between the phenotype and gene is provisional">
<span class="glyphicon glyphicon-question-sign" aria-hidden="true"></span>
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</td>
<td>
<span class="mim-font">
<a href="/entry/617992"> 617992 </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">
JAG1
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/601920"> 601920 </a>
</span>
</td>
</tr>
</tbody>
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<strong> INHERITANCE </strong>
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- 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 />
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<strong> HEAD & NECK </strong>
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<em> Ears </em>
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- Deafness (mild-to-severe, primarily affecting middle frequencies) <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C5436407&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C5436407</a>]</span> <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/343087000" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">343087000</a>]</span> <span class="mim-feature-ids hidden">[ICD10CM: <a href="https://purl.bioontology.org/ontology/ICD10CM/H91.9" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD10CM\', \'domain\': \'bioontology.org\'})">H91.9</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000365" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000365</a>]</span><br /> -
Vestibular dysfunction <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C1848606&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C1848606</a>, <a href="https://bioportal.bioontology.org/search?q=C1843865&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C1843865</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0001751" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0001751</a>, <a href="https://hpo.jax.org/app/browse/term/HP:0001756" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0001756</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0001756" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0001756</a>]</span><br /> -
Aplastic/hypoplastic semicircular canals <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C5436408&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C5436408</a>]</span><br />
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<em> Eyes </em>
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- Posterior embryotoxon <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/392437005" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">392437005</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0546967&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0546967</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000627" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000627</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000627" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000627</a>]</span><br />
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<strong> CARDIOVASCULAR </strong>
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<em> Heart </em>
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- Ventricular septal defect <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/30288003" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">30288003</a>, <a href="https://purl.bioontology.org/ontology/SNOMEDCT/253549006" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">253549006</a>, <a href="https://purl.bioontology.org/ontology/SNOMEDCT/768552007" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">768552007</a>]</span> <span class="mim-feature-ids hidden">[ICD10CM: <a href="https://purl.bioontology.org/ontology/ICD10CM/Q21.0" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD10CM\', \'domain\': \'bioontology.org\'})">Q21.0</a>]</span> <span class="mim-feature-ids hidden">[ICD9CM: <a href="https://purl.bioontology.org/ontology/ICD9CM/745.4" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD9CM\', \'domain\': \'bioontology.org\'})">745.4</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0018818&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0018818</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0001629" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0001629</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0001629" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0001629</a>]</span><br /> -
Tetralogy of Fallot <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/86299006" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">86299006</a>]</span> <span class="mim-feature-ids hidden">[ICD10CM: <a href="https://purl.bioontology.org/ontology/ICD10CM/Q21.3" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD10CM\', \'domain\': \'bioontology.org\'})">Q21.3</a>]</span> <span class="mim-feature-ids hidden">[ICD9CM: <a href="https://purl.bioontology.org/ontology/ICD9CM/745.2" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD9CM\', \'domain\': \'bioontology.org\'})">745.2</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0039685&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0039685</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0001636" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0001636</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0001636" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0001636</a>]</span><br />
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<em> Vascular </em>
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- Peripheral pulmonic stenosis <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/253631001" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">253631001</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0345030&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0345030</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0004969" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0004969</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0004969" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0004969</a>]</span><br />
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<strong> MOLECULAR BASIS </strong>
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- Caused by mutation in the jagged 1 gene (JAG1, <a href="/entry/601920#0012">601920.0012</a>)<br />
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<p>A number sign (#) is used with this entry because of evidence that deafness, congenital heart defects, and posterior embryotoxon is caused by heterozygous mutation in the JAG1 gene (<a href="/entry/601920">601920</a>). One such family has been reported.</p><p>Heterozygous mutation in JAG1 can also cause Alagille syndrome-1 (<a href="/entry/118450">118450</a>) and tetralogy of Fallot (<a href="/entry/187500">187500</a>).</p>
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<p><a href="#2" class="mim-tip-reference" title="Le Caignec, C., Lefevre, M., Schott, J. J., Chaventre, A., Gayet, M., Calais, C., Moisan, J. P. &lt;strong&gt;Familial deafness, congenital heart defects, and posterior embryotoxon caused by cysteine substitution in the first epidermal-growth-factor-like domain of Jagged 1.&lt;/strong&gt; Am. J. Hum. Genet. 71: 180-186, 2002.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/12022040/&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;12022040&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1086/341327&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="12022040">Le Caignec et al. (2002)</a> described a large kindred with hearing loss, congenital heart defects, and posterior embryotoxon, segregating as autosomal dominant traits. Of the 7 affected patients available for study, 6 manifested mild to severe combined hearing loss, predominantly affecting middle frequencies. Two patients had vestibular pathology. All patients had congenital heart defects, including tetralogy of Fallot, ventricular septal defect, or isolated peripheral pulmonic stenosis. No history of hepatic dysfunction was noted for any of the patients. No individual in the family met diagnostic criteria for any previously described clinical syndrome. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=12022040" 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>Inheritance</strong>
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<p>The transmission pattern of DCHE in the family reported by <a href="#2" class="mim-tip-reference" title="Le Caignec, C., Lefevre, M., Schott, J. J., Chaventre, A., Gayet, M., Calais, C., Moisan, J. P. &lt;strong&gt;Familial deafness, congenital heart defects, and posterior embryotoxon caused by cysteine substitution in the first epidermal-growth-factor-like domain of Jagged 1.&lt;/strong&gt; Am. J. Hum. Genet. 71: 180-186, 2002.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/12022040/&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;12022040&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1086/341327&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="12022040">Le Caignec et al. (2002)</a> was consistent with autosomal dominant inheritance. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=12022040" 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>Molecular Genetics</strong>
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<p>Using linkage analysis followed by direct sequencing of the JAG1 gene, <a href="#2" class="mim-tip-reference" title="Le Caignec, C., Lefevre, M., Schott, J. J., Chaventre, A., Gayet, M., Calais, C., Moisan, J. P. &lt;strong&gt;Familial deafness, congenital heart defects, and posterior embryotoxon caused by cysteine substitution in the first epidermal-growth-factor-like domain of Jagged 1.&lt;/strong&gt; Am. J. Hum. Genet. 71: 180-186, 2002.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/12022040/&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;12022040&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1086/341327&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="12022040">Le Caignec et al. (2002)</a> identified a novel JAG1 missense mutation, cys234 to tyr (C234Y; <a href="/entry/601920#0012">601920.0012</a>), in the first cysteine of the first epidermal growth factor-like repeat domain of the protein. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=12022040" 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>JAG1 is a transmembrane protein that serves as a ligand for the Notch (see <a href="/entry/190198">190198</a>) transmembrane receptors. In functional studies, <a href="#1" class="mim-tip-reference" title="Bauer, R. C., Laney, A. O., Smith, R., Gerfen, J., Morrissette, J. J. D., Woyciechowski, S., Garbarini, J., Loomes, K. M., Krantz, I. D., Urban, Z., Gelb, B. D., Goldmuntz, E., Spinner, N. B. &lt;strong&gt;Jagged1 (JAG1) mutations in patients with tetralogy of Fallot or pulmonic stenosis.&lt;/strong&gt; Hum. Mutat. 31: 594-601, 2010.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/20437614/&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;20437614&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1002/humu.21231&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="20437614">Bauer et al. (2010)</a> determined that the C234Y mutation resulted in a JAG1 protein that was not present at the cell surface, was not properly posttranslationally modified, and could not initiate Notch signaling. <a href="#1" class="mim-tip-reference" title="Bauer, R. C., Laney, A. O., Smith, R., Gerfen, J., Morrissette, J. J. D., Woyciechowski, S., Garbarini, J., Loomes, K. M., Krantz, I. D., Urban, Z., Gelb, B. D., Goldmuntz, E., Spinner, N. B. &lt;strong&gt;Jagged1 (JAG1) mutations in patients with tetralogy of Fallot or pulmonic stenosis.&lt;/strong&gt; Hum. Mutat. 31: 594-601, 2010.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/20437614/&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;20437614&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1002/humu.21231&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="20437614">Bauer et al. (2010)</a> predicted that the C234Y mutation led to JAG1 haploinsufficiency, with only the wildtype allele in carriers of the mutation appearing on the cell surface. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=20437614" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})"><span class="glyphicon glyphicon-plus-sign mim-tip-hint" title="Click this 'reference-plus' icon to see articles related to this paragraph in PubMed."></span></a></p>
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<strong>REFERENCES</strong>
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<a id="Bauer2010" class="mim-anchor"></a>
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Bauer, R. C., Laney, A. O., Smith, R., Gerfen, J., Morrissette, J. J. D., Woyciechowski, S., Garbarini, J., Loomes, K. M., Krantz, I. D., Urban, Z., Gelb, B. D., Goldmuntz, E., Spinner, N. B.
<strong>Jagged1 (JAG1) mutations in patients with tetralogy of Fallot or pulmonic stenosis.</strong>
Hum. Mutat. 31: 594-601, 2010.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/20437614/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">20437614</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=20437614" 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.21231" target="_blank">Full Text</a>]
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Le Caignec, C., Lefevre, M., Schott, J. J., Chaventre, A., Gayet, M., Calais, C., Moisan, J. P.
<strong>Familial deafness, congenital heart defects, and posterior embryotoxon caused by cysteine substitution in the first epidermal-growth-factor-like domain of Jagged 1.</strong>
Am. J. Hum. Genet. 71: 180-186, 2002.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/12022040/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">12022040</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=12022040" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">related citations</a>]
[<a href="https://doi.org/10.1086/341327" target="_blank">Full Text</a>]
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Anne M. Stumpf : 05/22/2018
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carol : 07/27/2021
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alopez : 05/22/2018<br>alopez : 05/22/2018
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<strong>#</strong> 617992
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DEAFNESS, CONGENITAL HEART DEFECTS, AND POSTERIOR EMBRYOTOXON; DCHE
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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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20p12.2
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?Deafness, congenital heart defects, and posterior embryotoxon
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617992
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Autosomal dominant
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3
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JAG1
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601920
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<p>A number sign (#) is used with this entry because of evidence that deafness, congenital heart defects, and posterior embryotoxon is caused by heterozygous mutation in the JAG1 gene (601920). One such family has been reported.</p><p>Heterozygous mutation in JAG1 can also cause Alagille syndrome-1 (118450) and tetralogy of Fallot (187500).</p>
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<p>Le Caignec et al. (2002) described a large kindred with hearing loss, congenital heart defects, and posterior embryotoxon, segregating as autosomal dominant traits. Of the 7 affected patients available for study, 6 manifested mild to severe combined hearing loss, predominantly affecting middle frequencies. Two patients had vestibular pathology. All patients had congenital heart defects, including tetralogy of Fallot, ventricular septal defect, or isolated peripheral pulmonic stenosis. No history of hepatic dysfunction was noted for any of the patients. No individual in the family met diagnostic criteria for any previously described clinical syndrome. </p>
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<p>The transmission pattern of DCHE in the family reported by Le Caignec et al. (2002) was consistent with autosomal dominant inheritance. </p>
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<p>Using linkage analysis followed by direct sequencing of the JAG1 gene, Le Caignec et al. (2002) identified a novel JAG1 missense mutation, cys234 to tyr (C234Y; 601920.0012), in the first cysteine of the first epidermal growth factor-like repeat domain of the protein. </p><p>JAG1 is a transmembrane protein that serves as a ligand for the Notch (see 190198) transmembrane receptors. In functional studies, Bauer et al. (2010) determined that the C234Y mutation resulted in a JAG1 protein that was not present at the cell surface, was not properly posttranslationally modified, and could not initiate Notch signaling. Bauer et al. (2010) predicted that the C234Y mutation led to JAG1 haploinsufficiency, with only the wildtype allele in carriers of the mutation appearing on the cell surface. </p>
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<strong>REFERENCES</strong>
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<p class="mim-text-font">
Bauer, R. C., Laney, A. O., Smith, R., Gerfen, J., Morrissette, J. J. D., Woyciechowski, S., Garbarini, J., Loomes, K. M., Krantz, I. D., Urban, Z., Gelb, B. D., Goldmuntz, E., Spinner, N. B.
<strong>Jagged1 (JAG1) mutations in patients with tetralogy of Fallot or pulmonic stenosis.</strong>
Hum. Mutat. 31: 594-601, 2010.
[PubMed: 20437614]
[Full Text: https://doi.org/10.1002/humu.21231]
</p>
</li>
<li>
<p class="mim-text-font">
Le Caignec, C., Lefevre, M., Schott, J. J., Chaventre, A., Gayet, M., Calais, C., Moisan, J. P.
<strong>Familial deafness, congenital heart defects, and posterior embryotoxon caused by cysteine substitution in the first epidermal-growth-factor-like domain of Jagged 1.</strong>
Am. J. Hum. Genet. 71: 180-186, 2002.
[PubMed: 12022040]
[Full Text: https://doi.org/10.1086/341327]
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Creation Date:
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Anne M. Stumpf : 05/22/2018
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carol : 07/27/2021<br>alopez : 05/22/2018<br>alopez : 05/22/2018
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