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<title>
Entry
- #613684 - RUBINSTEIN-TAYBI SYNDROME 2; RSTS2
- OMIM
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<span class="h4">#613684</span>
<br />
<strong>Table of Contents</strong>
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<li role="presentation">
<a href="#title"><strong>Title</strong></a>
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<a href="#phenotypeMap"><strong>Phenotype-Gene Relationships</strong></a>
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<li role="presentation">
<a href="/clinicalSynopsis/613684"><strong>Clinical Synopsis</strong></a>
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<li role="presentation">
<a href="/phenotypicSeries/PS180849"> <strong>Phenotypic Series</strong> </a>
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<a href="#text"><strong>Text</strong></a>
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<li role="presentation" style="margin-left: 1em">
<a href="#description">Description</a>
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<li role="presentation" style="margin-left: 1em">
<a href="#clinicalFeatures">Clinical Features</a>
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<li role="presentation" style="margin-left: 1em">
<a href="#inheritance">Inheritance</a>
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<li role="presentation" style="margin-left: 1em">
<a href="#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="#contributors"><strong>Contributors</strong></a>
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<li role="presentation">
<a href="#creationDate"><strong>Creation Date</strong></a>
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<div><a href="https://clinicaltrials.gov/search?cond=RUBINSTEIN-TAYBI SYNDROME" 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=22129&Typ=Pat" title="Rubinstein-Taybi syndrome due to EP300 haploinsufficiency" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'EuroGentest', 'domain': 'orpha.net'})">Rubinstein-Taybi syndrome …&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=151&Typ=Pat" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'EuroGentest', 'domain': 'orpha.net'})">Rubinstein-Taybi syndrome&nbsp;</a></div>
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<div><a href="https://www.ncbi.nlm.nih.gov/books/NBK1526/" class="mim-tip-hint" title="Expert-authored, peer-reviewed descriptions of inherited disorders including the uses of genetic testing in diagnosis, management, and genetic counseling." target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'Gene Reviews', 'domain': 'ncbi.nlm.nih.gov'})">Gene Reviews</a></div>
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<div style="margin-left: 0.5em;"><a href="https://www.orpha.net/consor/cgi-bin/OC_Exp.php?lng=EN&Expert=353284" title="Rubinstein-Taybi syndrome due to EP300 haploinsufficiency" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'OrphaNet', 'domain': 'orpha.net'})">Rubinstein-Taybi syndrome …</a></div><div style="margin-left: 0.5em;"><a href="https://www.orpha.net/consor/cgi-bin/OC_Exp.php?lng=EN&Expert=783" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'OrphaNet', 'domain': 'orpha.net'})">Rubinstein-Taybi syndrome</a></div>
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<div class="panel panel-default" style="margin-top: 0px; border-radius: 0px">
<div class="panel-heading mim-panel-heading" role="tab" id="mimAnimalModels">
<span class="panel-title">
<span class="small">
<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:1933" 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/613684" 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://wormbase.org/resources/disease/DOID:1933" class="mim-tip-hint" title="Database of the biology and genome of Caenorhabditis elegans and related nematodes." target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'Wormbase Disease Ontology', 'domain': 'wormbase.org'})">Wormbase Disease Ontology</a></div>
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</div>
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<span>
<span class="mim-tip-bottom" qtip_title="<strong>Looking for this gene or this phenotype in other resources?</strong>" qtip_text="Select a related resource from the dropdown menu and click for a targeted link to information directly relevant.">
&nbsp;
</span>
</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>ORPHA:</strong> 353284, 783<br />
<strong>DO:</strong> 1933<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>
613684
</span>
</span>
</div>
</div>
<div>
<a id="preferredTitle" class="mim-anchor"></a>
<h3>
<span class="mim-font">
RUBINSTEIN-TAYBI SYNDROME 2; RSTS2
</span>
</h3>
</div>
<div>
<br />
</div>
</div>
<div>
<a id="phenotypeMap" class="mim-anchor"></a>
<h4>
<span class="mim-font">
<strong>Phenotype-Gene Relationships</strong>
</span>
</h4>
<div>
<table class="table table-bordered table-condensed table-hover small mim-table-padding">
<thead>
<tr class="active">
<th>
Location
</th>
<th>
Phenotype
</th>
<th>
Phenotype <br /> MIM number
</th>
<th>
Inheritance
</th>
<th>
Phenotype <br /> mapping key
</th>
<th>
Gene/Locus
</th>
<th>
Gene/Locus <br /> MIM number
</th>
</tr>
</thead>
<tbody>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/22/315?start=-3&limit=10&highlight=315">
22q13.2
</a>
</span>
</td>
<td>
<span class="mim-font">
Rubinstein-Taybi syndrome 2
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/613684"> 613684 </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">
EP300
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/602700"> 602700 </a>
</span>
</td>
</tr>
</tbody>
</table>
</div>
</div>
<div>
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<a href="/clinicalSynopsis/613684" class="btn btn-warning" role="button"> Clinical Synopsis </a>
<button type="button" id="mimPhenotypicSeriesToggle" class="btn btn-warning dropdown-toggle mimSingletonFoldToggle" data-toggle="collapse" href="#mimClinicalSynopsisFold" onclick="ga('send', 'event', 'Unfurl', 'ClinicalSynopsis', 'omim.org')">
<span class="caret"></span>
<span class="sr-only">Toggle Dropdown</span>
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</div>
&nbsp;
<div class="btn-group">
<a href="/phenotypicSeries/PS180849" class="btn btn-info" role="button"> Phenotypic Series </a>
<button type="button" id="mimPhenotypicSeriesToggle" class="btn btn-info dropdown-toggle mimSingletonFoldToggle" data-toggle="collapse" href="#mimPhenotypicSeriesFold" onclick="ga('send', 'event', 'Unfurl', 'PhenotypicSeries', 'omim.org')">
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&nbsp;
<div class="btn-group">
<button type="button" class="btn btn-success dropdown-toggle" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
PheneGene Graphics <span class="caret"></span>
</button>
<ul class="dropdown-menu" style="width: 17em;">
<li><a href="/graph/linear/613684" target="_blank" onclick="gtag('event', 'mim_graph', {'destination': 'Linear'})"> Linear </a></li>
<li><a href="/graph/radial/613684" 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> HEAD & NECK </strong>
</span>
</div>
<div style="margin-left: 2em;">
<div>
<div>
<span class="h5 mim-font">
<em> Head </em>
</span>
</div>
<div style="margin-left: 2em;">
<span class="mim-font">
- Microcephaly <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/1148757008" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">1148757008</a>]</span> <span class="mim-feature-ids hidden">[ICD10CM: <a href="https://purl.bioontology.org/ontology/ICD10CM/Q02" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD10CM\', \'domain\': \'bioontology.org\'})">Q02</a>]</span> <span class="mim-feature-ids hidden">[ICD9CM: <a href="https://purl.bioontology.org/ontology/ICD9CM/742.1" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD9CM\', \'domain\': \'bioontology.org\'})">742.1</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C4551563&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C4551563</a>, <a href="https://bioportal.bioontology.org/search?q=C0025958&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0025958</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000252" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000252</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000252" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000252</a>]</span> <a href="https://elementsofmorphology.nih.gov/index.cgi?tid=0584d323b99dcd7001cc50e224947aca" target="_blank" class="small mim-tip-eom" title="&lt;img src=&quot;https://elementsofmorphology.nih.gov/images/terms/Microcephaly-small.jpg&quot;&gt; &lt;br/&gt;Further Information: &lt;a href=&quot;https://elementsofmorphology.nih.gov/index.cgi?tid=0584d323b99dcd7001cc50e224947aca&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> Face </em>
</span>
</div>
<div style="margin-left: 2em;">
<span class="mim-font">
- 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 /> -
Retrognathia <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/109515000" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">109515000</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0035353&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0035353</a>, <a href="https://bioportal.bioontology.org/search?q=C3494422&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C3494422</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000278" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000278</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000278" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000278</a>]</span> <a href="https://elementsofmorphology.nih.gov/index.cgi?tid=ede3aa3495baae8accf26d8f779302ba" target="_blank" class="small mim-tip-eom" title="&lt;img src=&quot;https://elementsofmorphology.nih.gov/images/terms/Retrognathia-small.jpg&quot;&gt; &lt;br/&gt;Further Information: &lt;a href=&quot;https://elementsofmorphology.nih.gov/index.cgi?tid=ede3aa3495baae8accf26d8f779302ba&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">
- Posterior helical pits <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C1851900&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C1851900</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">
- Heavy, arched eyebrows <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C3552930&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C3552930</a>]</span><br /> -
Long eyelashes <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C1853738&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C1853738</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000527" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000527</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000527" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000527</a>]</span> <a href="https://elementsofmorphology.nih.gov/index.cgi?tid=672968e227f5a1087f52e88a389a22fc" target="_blank" class="small mim-tip-eom" title="&lt;img src=&quot;https://elementsofmorphology.nih.gov/images/terms/Eyelashes,Long-small.jpg&quot;&gt; &lt;br/&gt;Further Information: &lt;a href=&quot;https://elementsofmorphology.nih.gov/index.cgi?tid=672968e227f5a1087f52e88a389a22fc&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 /> -
Downslanting palpebral fissures, mild <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C4747648&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C4747648</a>]</span> <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/246800008" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">246800008</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000494" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000494</a>]</span><br /> -
Normal palpebral fissures <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C3552932&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C3552932</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">
- Prominent nose <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/249311009" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">249311009</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0426415&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0426415</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000448" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000448</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000448" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000448</a>]</span> <a href="https://elementsofmorphology.nih.gov/index.cgi?tid=9e12185cce160056955b37b4c23f722f" target="_blank" class="small mim-tip-eom" title="&lt;img src=&quot;https://elementsofmorphology.nih.gov/images/terms/Nose,Prominent-small.jpg&quot;&gt; &lt;br/&gt;Further Information: &lt;a href=&quot;https://elementsofmorphology.nih.gov/index.cgi?tid=9e12185cce160056955b37b4c23f722f&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 /> -
Beaked nose <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0240538&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0240538</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000444" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000444</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000444" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000444</a>]</span><br /> -
Long columella extending below the alae nasi <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C3552933&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C3552933</a>]</span><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">
- Narrow palate <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C1398312&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C1398312</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000189" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000189</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000189" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000189</a>]</span> <a href="https://elementsofmorphology.nih.gov/index.cgi?tid=e39db66f262e5c44e3a381147eb7f8db" target="_blank" class="small mim-tip-eom" title="&lt;img src=&quot;https://elementsofmorphology.nih.gov/images/terms/Palate,Narrow-small.jpg&quot;&gt; &lt;br/&gt;Further Information: &lt;a href=&quot;https://elementsofmorphology.nih.gov/index.cgi?tid=e39db66f262e5c44e3a381147eb7f8db&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 /> -
High-arched palate <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/27272007" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">27272007</a>]</span> <span class="mim-feature-ids hidden">[ICD10CM: <a href="https://purl.bioontology.org/ontology/ICD10CM/Q38.5" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD10CM\', \'domain\': \'bioontology.org\'})">Q38.5</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0240635&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0240635</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000218" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000218</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000218" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000218</a>]</span><br />
</span>
</div>
</div>
<div>
<div>
<span class="h5 mim-font">
<em> Teeth </em>
</span>
</div>
<div style="margin-left: 2em;">
<span class="mim-font">
- Dental malocclusion <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/707598004" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">707598004</a>, <a href="https://purl.bioontology.org/ontology/SNOMEDCT/47944004" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">47944004</a>]</span> <span class="mim-feature-ids hidden">[ICD10CM: <a href="https://purl.bioontology.org/ontology/ICD10CM/M26.4" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD10CM\', \'domain\': \'bioontology.org\'})">M26.4</a>]</span> <span class="mim-feature-ids hidden">[ICD9CM: <a href="https://purl.bioontology.org/ontology/ICD9CM/524.4" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD9CM\', \'domain\': \'bioontology.org\'})">524.4</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0024636&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0024636</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000689" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000689</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000689" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000689</a>]</span><br /> -
Overbite <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/63783001" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">63783001</a>, <a href="https://purl.bioontology.org/ontology/SNOMEDCT/109501002" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">109501002</a>, <a href="https://purl.bioontology.org/ontology/SNOMEDCT/60476005" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">60476005</a>, <a href="https://purl.bioontology.org/ontology/SNOMEDCT/251293001" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">251293001</a>]</span> <span class="mim-feature-ids hidden">[ICD10CM: <a href="https://purl.bioontology.org/ontology/ICD10CM/M26.29" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD10CM\', \'domain\': \'bioontology.org\'})">M26.29</a>, <a href="https://purl.bioontology.org/ontology/ICD10CM/M26.212" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD10CM\', \'domain\': \'bioontology.org\'})">M26.212</a>]</span> <span class="mim-feature-ids hidden">[ICD9CM: <a href="https://purl.bioontology.org/ontology/ICD9CM/524.22" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD9CM\', \'domain\': \'bioontology.org\'})">524.22</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0266063&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0266063</a>, <a href="https://bioportal.bioontology.org/search?q=C3714535&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C3714535</a>, <a href="https://bioportal.bioontology.org/search?q=C1305740&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C1305740</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0011094" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0011094</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0011094" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0011094</a>]</span><br /> -
Dental caries <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/80967001" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">80967001</a>]</span> <span class="mim-feature-ids hidden">[ICD10CM: <a href="https://purl.bioontology.org/ontology/ICD10CM/K02" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD10CM\', \'domain\': \'bioontology.org\'})">K02</a>, <a href="https://purl.bioontology.org/ontology/ICD10CM/K02.9" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD10CM\', \'domain\': \'bioontology.org\'})">K02.9</a>]</span> <span class="mim-feature-ids hidden">[ICD9CM: <a href="https://purl.bioontology.org/ontology/ICD9CM/521.0" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD9CM\', \'domain\': \'bioontology.org\'})">521.0</a>, <a href="https://purl.bioontology.org/ontology/ICD9CM/521.00" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD9CM\', \'domain\': \'bioontology.org\'})">521.00</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0011334&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0011334</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000670" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000670</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000670" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000670</a>]</span><br />
</span>
</div>
</div>
</div>
</div>
<div>
<div>
<span class="h5 mim-font">
<strong> ABDOMEN </strong>
</span>
</div>
<div style="margin-left: 2em;">
<div>
<div>
<span class="h5 mim-font">
<em> Gastrointestinal </em>
</span>
</div>
<div style="margin-left: 2em;">
<span class="mim-font">
- Malrotation (in some patients) <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/48641006" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">48641006</a>, <a href="https://purl.bioontology.org/ontology/SNOMEDCT/29980002" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">29980002</a>, <a href="https://purl.bioontology.org/ontology/SNOMEDCT/253789002" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">253789002</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0221210&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0221210</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0002566" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0002566</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0002566" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0002566</a>]</span><br /> -
Feeding/swallowing issues beyond the neonatal period (in some patients) <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C4478939&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C4478939</a>]</span><br />
</span>
</div>
</div>
</div>
</div>
<div>
<div>
<span class="h5 mim-font">
<strong> SKELETAL </strong>
</span>
</div>
<div style="margin-left: 2em;">
<div>
<div>
<span class="h5 mim-font">
<em> Hands </em>
</span>
</div>
<div style="margin-left: 2em;">
<span class="mim-font">
- Broad thumbs <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/249773003" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">249773003</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0426891&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0426891</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0011304" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0011304</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0011304" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0011304</a>]</span><br /> -
Square distal fingertips <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C3552934&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C3552934</a>]</span><br /> -
Syndactyly (in some patients) <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/373413006" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">373413006</a>]</span> <span class="mim-feature-ids hidden">[ICD10CM: <a href="https://purl.bioontology.org/ontology/ICD10CM/Q70.9" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD10CM\', \'domain\': \'bioontology.org\'})">Q70.9</a>, <a href="https://purl.bioontology.org/ontology/ICD10CM/Q70" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD10CM\', \'domain\': \'bioontology.org\'})">Q70</a>]</span> <span class="mim-feature-ids hidden">[ICD9CM: <a href="https://purl.bioontology.org/ontology/ICD9CM/755.1" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD9CM\', \'domain\': \'bioontology.org\'})">755.1</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C2117411&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C2117411</a>, <a href="https://bioportal.bioontology.org/search?q=C0039075&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0039075</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0001159" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0001159</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0001159" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0001159</a>]</span> <a href="https://elementsofmorphology.nih.gov/index.cgi?tid=bcc47de729f2f227ecf8427f5adf6d12" target="_blank" class="small mim-tip-eom" title="&lt;img src=&quot;https://elementsofmorphology.nih.gov/images/terms/Foot,Osseous_Syndactyly_of-small.jpg&quot;&gt; &lt;br/&gt;Further Information: &lt;a href=&quot;https://elementsofmorphology.nih.gov/index.cgi?tid=bcc47de729f2f227ecf8427f5adf6d12&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> Feet </em>
</span>
</div>
<div style="margin-left: 2em;">
<span class="mim-font">
- Broad great toes <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C1867131&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C1867131</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0010055" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0010055</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0010055" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0010055</a>]</span><br />
</span>
</div>
</div>
</div>
</div>
<div>
<div>
<span class="h5 mim-font">
<strong> SKIN, NAILS, & HAIR </strong>
</span>
</div>
<div style="margin-left: 2em;">
<div>
<div>
<span class="h5 mim-font">
<em> Hair </em>
</span>
</div>
<div style="margin-left: 2em;">
<span class="mim-font">
- Hirsutism (in some patients) <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/399939002" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">399939002</a>]</span> <span class="mim-feature-ids hidden">[ICD10CM: <a href="https://purl.bioontology.org/ontology/ICD10CM/L68.0" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD10CM\', \'domain\': \'bioontology.org\'})">L68.0</a>]</span> <span class="mim-feature-ids hidden">[ICD9CM: <a href="https://purl.bioontology.org/ontology/ICD9CM/704.1" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD9CM\', \'domain\': \'bioontology.org\'})">704.1</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0019572&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0019572</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0001007" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0001007</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0001007" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0001007</a>]</span><br />
</span>
</div>
</div>
</div>
</div>
<div>
<div>
<span class="h5 mim-font">
<strong> NEUROLOGIC </strong>
</span>
</div>
<div style="margin-left: 2em;">
<div>
<div>
<span class="h5 mim-font">
<em> Central Nervous System </em>
</span>
</div>
<div style="margin-left: 2em;">
<span class="mim-font">
- Mental retardation, mild to moderate <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C1861865&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C1861865</a>]</span> <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/228156007" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">228156007</a>, <a href="https://purl.bioontology.org/ontology/SNOMEDCT/110359009" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">110359009</a>]</span> <span class="mim-feature-ids hidden">[ICD9CM: <a href="https://purl.bioontology.org/ontology/ICD9CM/317-319.99" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD9CM\', \'domain\': \'bioontology.org\'})">317-319.99</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0001249" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0001249</a>]</span><br /> -
Low-normal intelligence <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C3278857&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C3278857</a>]</span><br /> -
Autism spectrum disorder (in some patients) <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/35919005" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">35919005</a>]</span> <span class="mim-feature-ids hidden">[ICD10CM: <a href="https://purl.bioontology.org/ontology/ICD10CM/F84.0" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD10CM\', \'domain\': \'bioontology.org\'})">F84.0</a>, <a href="https://purl.bioontology.org/ontology/ICD10CM/F84" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD10CM\', \'domain\': \'bioontology.org\'})">F84</a>, <a href="https://purl.bioontology.org/ontology/ICD10CM/F84.9" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD10CM\', \'domain\': \'bioontology.org\'})">F84.9</a>]</span> <span class="mim-feature-ids hidden">[ICD9CM: <a href="https://purl.bioontology.org/ontology/ICD9CM/299" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD9CM\', \'domain\': \'bioontology.org\'})">299</a>, <a href="https://purl.bioontology.org/ontology/ICD9CM/299.9" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD9CM\', \'domain\': \'bioontology.org\'})">299.9</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C1510586&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C1510586</a>, <a href="https://bioportal.bioontology.org/search?q=C0524528&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0524528</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000729" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000729</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000729" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000729</a>]</span><br /> -
Delayed psychomotor development <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/224958001" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">224958001</a>]</span> <span class="mim-feature-ids hidden">[ICD10CM: <a href="https://purl.bioontology.org/ontology/ICD10CM/F88" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD10CM\', \'domain\': \'bioontology.org\'})">F88</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0557874&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0557874</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0001263" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0001263</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0001263" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0001263</a>]</span><br /> -
Delayed gross motor development <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/430099007" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">430099007</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C1837658&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C1837658</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0002194" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0002194</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0002194" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0002194</a>]</span><br /> -
Speech delay <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/229721007" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">229721007</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0241210&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0241210</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000750" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000750</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000750" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000750</a>]</span><br /> -
Hypotonia <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/398151007" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">398151007</a>, <a href="https://purl.bioontology.org/ontology/SNOMEDCT/398152000" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">398152000</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0026827&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0026827</a>, <a href="https://bioportal.bioontology.org/search?q=C1858120&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C1858120</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0001290" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0001290</a>, <a href="https://hpo.jax.org/app/browse/term/HP:0001252" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0001252</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0001252" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0001252</a>]</span><br />
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<span class="h5 mim-font">
<em> Behavioral Psychiatric Manifestations </em>
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<div style="margin-left: 2em;">
<span class="mim-font">
- Hyperactivity <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/44548000" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">44548000</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0424295&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0424295</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000752" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000752</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000752" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000752</a>]</span><br /> -
Behavioral difficulties <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C3275496&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C3275496</a>]</span><br />
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<span class="h5 mim-font">
<strong> PRENATAL MANIFESTATIONS </strong>
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<span class="h5 mim-font">
<em> Maternal </em>
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- Preeclampsia (in some patients) <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/398254007" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">398254007</a>]</span> <span class="mim-feature-ids hidden">[ICD10CM: <a href="https://purl.bioontology.org/ontology/ICD10CM/O14.9" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD10CM\', \'domain\': \'bioontology.org\'})">O14.9</a>, <a href="https://purl.bioontology.org/ontology/ICD10CM/O14" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD10CM\', \'domain\': \'bioontology.org\'})">O14</a>, <a href="https://purl.bioontology.org/ontology/ICD10CM/O14.90" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD10CM\', \'domain\': \'bioontology.org\'})">O14.90</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0032914&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0032914</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0100602" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0100602</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0100602" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0100602</a>]</span><br />
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<span class="h5 mim-font">
<strong> MISCELLANEOUS </strong>
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<span class="mim-font">
- De novo mutation <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C2985439&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C2985439</a>]</span><br /> -
Onset at birth <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C1836142&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C1836142</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0003577" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0003577</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0003577" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0003577</a>]</span><br /> -
May have less severe phenotype than RSTS patients with CREBBP mutations<br />
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<strong> MOLECULAR BASIS </strong>
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<span class="mim-font">
- Caused by mutation in the 300-KD E1A-binding protein gene (EP300, <a href="/entry/602700#0003">602700.0003</a>)<br />
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<h5>
Rubinstein-Taybi syndrome
- <a href="/phenotypicSeries/PS180849">PS180849</a>
- 3 Entries
</h5>
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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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<td>
<span class="mim-font">
<a href="/geneMap/16/4?start=-3&limit=10&highlight=4"> 16p13.3 </a>
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<span class="mim-font">
<a href="/entry/610543"> Chromosome 16p13.3 deletion syndrome </a>
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<span class="mim-font">
</span>
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<span class="mim-font">
<abbr class="mim-tip-hint" title="4 - A contiguous gene duplication or deletion syndrome in which multiple genes are involved"> 4 </abbr>
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<span class="mim-font">
<a href="/entry/610543"> 610543 </a>
</span>
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<td>
<span class="mim-font">
<a href="/entry/610543"> DEL16p13.3 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/610543"> 610543 </a>
</span>
</td>
</tr>
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<td>
<span class="mim-font">
<a href="/geneMap/16/150?start=-3&limit=10&highlight=150"> 16p13.3 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/180849"> Rubinstein-Taybi syndrome 1 </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal dominant">AD</abbr>
</span>
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<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="3 - The molecular basis of the disorder is known"> 3 </abbr>
</span>
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<span class="mim-font">
<a href="/entry/180849"> 180849 </a>
</span>
</td>
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<span class="mim-font">
<a href="/entry/600140"> CREBBP </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/600140"> 600140 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/22/315?start=-3&limit=10&highlight=315"> 22q13.2 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/613684"> Rubinstein-Taybi syndrome 2 </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal dominant">AD</abbr>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="3 - The molecular basis of the disorder is known"> 3 </abbr>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/613684"> 613684 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/602700"> EP300 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/602700"> 602700 </a>
</span>
</td>
</tr>
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<p>A number sign (#) is used with this entry because Rubinstein-Taybi syndrome-2 (RSTS2) is caused by heterozygous mutation in the EP300 gene (<a href="/entry/602700">602700</a>) on chromosome 22q13. Most, if not all, mutations occur de novo.</p>
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<strong>Description</strong>
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<p>Rubinstein-Taybi syndrome (RSTS) is a multiple congenital anomaly syndrome characterized by mental retardation, postnatal growth deficiency, microcephaly, broad thumbs and halluces, and dysmorphic facial features. The classic facial appearance is striking, with highly arched eyebrows, long eyelashes, downslanting palpebral fissures, broad nasal bridge, beaked nose with the nasal septum, highly arched palate, mild micrognathia, and characteristic grimacing or abnormal smile (<a href="#7" class="mim-tip-reference" title="Rubinstein, J. H., Taybi, H. &lt;strong&gt;Broad thumbs and toes and facial abnormalities.&lt;/strong&gt; Am. J. Dis. Child. 105: 588-608, 1963.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/13983033/&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;13983033&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1001/archpedi.1963.02080040590010&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="13983033">Rubinstein and Taybi, 1963</a>; review by <a href="#5" class="mim-tip-reference" title="Hennekam, R. C. M. &lt;strong&gt;Rubinstein-Taybi syndrome.&lt;/strong&gt; Europ. J. Hum. Genet. 14: 981-985, 2006.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/16868563/&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;16868563&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1038/sj.ejhg.5201594&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="16868563">Hennekam, 2006</a>). <a href="https://pubmed.ncbi.nlm.nih.gov/?term=13983033+16868563" 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>About 50 to 70% of patients have RSTS1 (<a href="/entry/180849">180849</a>), caused by mutation in the CREBBP gene (<a href="/entry/600140">600140</a>). RSTS2 is much less common, and about 3% of patients have mutations in the EP300 gene. RSTS2 appears to be associated with a milder phenotype than RSTS1. Patients with RSTS2 have less severe facial dysmorphism and better cognitive function, but may have more severe microcephaly and malformation of facial bone structures compared to those with RSTS1 (<a href="#2" class="mim-tip-reference" title="Bartsch, O., Labonte, J., Albrecht, B., Wieczorek, D., Lechno, S., Zechner, U., Haaf, T. &lt;strong&gt;Two patients with EP300 mutations and facial dysmorphism different from the classic Rubinstein-Taybi syndrome.&lt;/strong&gt; Am. J. Med. Genet. 152A: 181-184, 2010.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/20014264/&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;20014264&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1002/ajmg.a.33153&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="20014264">Bartsch et al., 2010</a>). <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=20014264" 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>For a discussion of genetic heterogeneity of Rubinstein-Taybi syndrome, see RSTS1 (<a href="/entry/180849">180849</a>).</p>
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<p><a href="#6" class="mim-tip-reference" title="Roelfsema, J. H., White, S. J., Ariyurek, Y., Bartholdi, D., Niedrist, D., Papadia, F., Bacino, C. A., den Dunnen, J. T., van Ommen, G.-J. B., Breuning, M. H., Hennekam, R. C., Peters, D. J. M. &lt;strong&gt;Genetic heterogeneity in Rubinstein-Taybi syndrome: mutations in both the CBP and EP300 genes cause disease.&lt;/strong&gt; Am. J. Hum. Genet. 76: 572-580, 2005.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/15706485/&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;15706485&lt;/a&gt;, &lt;a href=&quot;https://www.ncbi.nlm.nih.gov/pmc/?term=15706485[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/10.1086/429130&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="15706485">Roelfsema et al. (2005)</a> reported 3 unrelated patients with RSTS2. The phenotypes were compatible with RSTS in most respects: all patients had heavy and arched eyebrows, long eyelashes, a prominent nose with long columella, and a pouting lower lip. However, only 1 patient had micrognathia, 1 had mildly downslanted palpebral fissures, and none had the grimacing smile. All had short broad thumbs and big toes, and square distal fingertips. The patients were identified from a larger cohort of 92 patients with a clinical diagnosis of RSTS. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=15706485" 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="#1" class="mim-tip-reference" title="Bartholdi, D., Roelfsema, J. H., Papadia, F., Breuning, M. H., Niedrist, D., Hennekam, R. C., Schinzel, A., Peters, D. J. M. &lt;strong&gt;Genetic heterogeneity in Rubinstein-Taybi syndrome: delineation of the phenotype of the first patients carrying mutations in EP300. (Letter)&lt;/strong&gt; J. Med. Genet. 44: 327-333, 2007.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/17220215/&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;17220215&lt;/a&gt;, &lt;a href=&quot;https://www.ncbi.nlm.nih.gov/pmc/?term=17220215[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/10.1136/jmg.2006.046698&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="17220215">Bartholdi et al. (2007)</a> reported detailed clinical features of 4 RSTS patients with mutations in the EP300 gene; 3 of the patients had been reported by <a href="#6" class="mim-tip-reference" title="Roelfsema, J. H., White, S. J., Ariyurek, Y., Bartholdi, D., Niedrist, D., Papadia, F., Bacino, C. A., den Dunnen, J. T., van Ommen, G.-J. B., Breuning, M. H., Hennekam, R. C., Peters, D. J. M. &lt;strong&gt;Genetic heterogeneity in Rubinstein-Taybi syndrome: mutations in both the CBP and EP300 genes cause disease.&lt;/strong&gt; Am. J. Hum. Genet. 76: 572-580, 2005.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/15706485/&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;15706485&lt;/a&gt;, &lt;a href=&quot;https://www.ncbi.nlm.nih.gov/pmc/?term=15706485[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/10.1086/429130&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="15706485">Roelfsema et al. (2005)</a>. The patients had the typical facial gestalt, malformation patterns, and mental and behavioral signs consistent with the syndrome, but 3 patients did not show the classic malformations on both hands and feet, which originally had been considered mandatory for the diagnosis. The authors concluded that clinical variability in RSTS may be due to genetic heterogeneity and emphasized that the diagnosis must be expanded to include individuals without broad thumbs or halluces. <a href="https://pubmed.ncbi.nlm.nih.gov/?term=17220215+15706485" 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="#10" class="mim-tip-reference" title="Zimmermann, N., Acosta, A. M. B. F., Kohlhase, J., Bartsch, O. &lt;strong&gt;Confirmation of EP300 gene mutations as a rare cause of Rubinstein-Taybi syndrome.&lt;/strong&gt; Europ. J. Hum. Genet. 15: 837-842, 2007.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/17299436/&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;17299436&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1038/sj.ejhg.5201791&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="17299436">Zimmermann et al. (2007)</a> reported a female with a mild form of RSTS due to a de novo heterozygous mutation in the EP300 gene (<a href="/entry/602700#0006">602700.0006</a>). She had microcephaly, beaked nose, narrow high-arched palate, and borderline intelligence (IQ of about 75). <a href="#2" class="mim-tip-reference" title="Bartsch, O., Labonte, J., Albrecht, B., Wieczorek, D., Lechno, S., Zechner, U., Haaf, T. &lt;strong&gt;Two patients with EP300 mutations and facial dysmorphism different from the classic Rubinstein-Taybi syndrome.&lt;/strong&gt; Am. J. Med. Genet. 152A: 181-184, 2010.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/20014264/&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;20014264&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1002/ajmg.a.33153&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="20014264">Bartsch et al. (2010)</a> provided more detailed information on the patient reported by <a href="#10" class="mim-tip-reference" title="Zimmermann, N., Acosta, A. M. B. F., Kohlhase, J., Bartsch, O. &lt;strong&gt;Confirmation of EP300 gene mutations as a rare cause of Rubinstein-Taybi syndrome.&lt;/strong&gt; Europ. J. Hum. Genet. 15: 837-842, 2007.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/17299436/&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;17299436&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1038/sj.ejhg.5201791&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="17299436">Zimmermann et al. (2007)</a>. At age 19, she had global developmental delay, but was able to work in a sheltered workshop after being schooled in special needs. She had marked mandibular retrognathism, requiring surgical correction. Other features included mild myopia, bilateral pes valgus, genu valgum, and scoliosis. Radiographs showed sphenoid bone asymmetry and deformity of the left side of the atlas. <a href="https://pubmed.ncbi.nlm.nih.gov/?term=20014264+17299436" 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="#3" class="mim-tip-reference" title="Foley, P., Bunyan, D., Stratton, J., Dillon, M., Lynch, S. A. &lt;strong&gt;Further case of Rubinstein-Taybi syndrome due to a deletion in EP300.&lt;/strong&gt; Am. J. Med. Genet. 149A: 997-1000, 2009.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/19353645/&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;19353645&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1002/ajmg.a.32771&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="19353645">Foley et al. (2009)</a> described a 7-year-old boy with global developmental delay, slightly broad halluces and terminal phalanges but normal thumbs, and facial dysmorphism reminiscent of RSTS, especially while smiling, in whom they identified a de novo deletion in the EP300 gene (<a href="/entry/602700#0007">602700.0007</a>). Dysmorphic features included microcephaly, slightly prominent columella, long eyelashes with rather full arched eyebrows, overlapping toes, and evidence of hirsutism on his back with a hair tuft on the left paravertebral region. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=19353645" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})"><span class="glyphicon glyphicon-plus-sign mim-tip-hint" title="Click this 'reference-plus' icon to see articles related to this paragraph in PubMed."></span></a></p><p><a href="#2" class="mim-tip-reference" title="Bartsch, O., Labonte, J., Albrecht, B., Wieczorek, D., Lechno, S., Zechner, U., Haaf, T. &lt;strong&gt;Two patients with EP300 mutations and facial dysmorphism different from the classic Rubinstein-Taybi syndrome.&lt;/strong&gt; Am. J. Med. Genet. 152A: 181-184, 2010.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/20014264/&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;20014264&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1002/ajmg.a.33153&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="20014264">Bartsch et al. (2010)</a> reported a 3-year-old boy with RSTS2. He had severe microcephaly, retrognathia, broad thumbs and great toes, and delayed psychomotor development with marked speech delay. He also had posterior helical pits, but normal palpebral fissures, nose, and mouth. Genetic analysis identified an apparently de novo heterozygous mutation in the EP300 gene (638delG; <a href="/entry/602700#0008">602700.0008</a>). <a href="#2" class="mim-tip-reference" title="Bartsch, O., Labonte, J., Albrecht, B., Wieczorek, D., Lechno, S., Zechner, U., Haaf, T. &lt;strong&gt;Two patients with EP300 mutations and facial dysmorphism different from the classic Rubinstein-Taybi syndrome.&lt;/strong&gt; Am. J. Med. Genet. 152A: 181-184, 2010.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/20014264/&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;20014264&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1002/ajmg.a.33153&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="20014264">Bartsch et al. (2010)</a> proposed that RSTS individuals with EP300 mutations have a slightly different phenotype than those with CREBBP mutations, including less severe mental impairment, more severe microcephaly, and a greater degree of changes in facial bone structure. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=20014264" 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="#9" class="mim-tip-reference" title="Woods, S. A., Robinson, H. B., Kohler, L. J., Agamanolis, D., Sterbenz, G., Khalifa, M. &lt;strong&gt;Exome sequencing identifies a novel EP300 frame shift mutation in a patient with features that overlap Cornelia de Lange syndrome.&lt;/strong&gt; Am. J. Med. Genet. 164A: 251-258, 2014.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/24352918/&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;24352918&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1002/ajmg.a.36237&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="24352918">Woods et al. (2014)</a> reported a 5-year-old Caucasian male with a phenotype suggesting Cornelia de Lange syndrome (CDLS; <a href="/entry/122470">122470</a>) in whom no mutations were found in CDLS-related genes. The boy presented with intrauterine growth restriction, failure to thrive, microcephaly, cryptorchidism, hirsutism, short stature, and intellectual disability. He also had severe progressive scoliosis and chest deformity. He did not have the cardinal features of RSTS such as the typical facial gestalt or broad thumbs or toes. Exome sequencing after the child's death from bronchopneumonia identified a novel mutation in the EP300 gene (<a href="/entry/602700#0009">602700.0009</a>). Autopsy showed intestinal malrotation, lung lobulation, and genitourinary anomalies. <a href="#9" class="mim-tip-reference" title="Woods, S. A., Robinson, H. B., Kohler, L. J., Agamanolis, D., Sterbenz, G., Khalifa, M. &lt;strong&gt;Exome sequencing identifies a novel EP300 frame shift mutation in a patient with features that overlap Cornelia de Lange syndrome.&lt;/strong&gt; Am. J. Med. Genet. 164A: 251-258, 2014.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/24352918/&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;24352918&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1002/ajmg.a.36237&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="24352918">Woods et al. (2014)</a> noted that this was the fourth RSTS case with a mutation in EP300 associated with preeclampsia and premature birth. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=24352918" 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="Hamilton, M. J., Newbury-Ecob, R., Holder-Espinasse, M., Yau, S., Lillis, S., Hurst, J. A., Clement, E., Reardon, W., Joss, S., Hobson, E., Blyth, M., Al-Shehhi, M., Lynch, S. A., DDD study, Suri, M. &lt;strong&gt;Rubinstein-Taybi syndrome type 2: report of nine new cases that extend the phenotypic and genotypic spectrum.&lt;/strong&gt; Clin. Dysmorph. 25: 135-147, 2016.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/27465822/&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;27465822&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1097/MCD.0000000000000143&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="27465822">Hamilton et al. (2016)</a> described 9 unrelated patients, aged 3 to 19 years, with RSTS2. Two of the pregnancies were complicated by preeclampsia. All 9 patients had mild or moderate intellectual impairment, and 8 had delays in gross motor development. Eight patients had behavioral or social difficulties, and 3 had a diagnosis of autism spectrum disorder. Typical dysmorphic features were variably present. Additional features included scoliosis in 2, syndactyly in 3, feeding/swallowing issues beyond the neonatal period in 3, and hypermobility or dislocation of the elbow in 2. Three patients had overlapping features with Floating-Harbor syndrome (<a href="/entry/136140">136140</a>), including thin upper vermilion, long nose, and low-hanging columella in 2 and delayed bone age in 2. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=27465822" 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 heterozygous mutations in the EP300 gene that were identified in patients with RSTS2 by <a href="#6" class="mim-tip-reference" title="Roelfsema, J. H., White, S. J., Ariyurek, Y., Bartholdi, D., Niedrist, D., Papadia, F., Bacino, C. A., den Dunnen, J. T., van Ommen, G.-J. B., Breuning, M. H., Hennekam, R. C., Peters, D. J. M. &lt;strong&gt;Genetic heterogeneity in Rubinstein-Taybi syndrome: mutations in both the CBP and EP300 genes cause disease.&lt;/strong&gt; Am. J. Hum. Genet. 76: 572-580, 2005.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/15706485/&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;15706485&lt;/a&gt;, &lt;a href=&quot;https://www.ncbi.nlm.nih.gov/pmc/?term=15706485[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/10.1086/429130&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="15706485">Roelfsema et al. (2005)</a> occurred de novo. The authors noted that although RSTS is considered to be an autosomal dominant disorder, patients with RSTS very rarely have children. Almost all mutations, therefore, occur de novo. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=15706485" 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>In 3 of 92 patients with a clinical diagnosis of RSTS, <a href="#6" class="mim-tip-reference" title="Roelfsema, J. H., White, S. J., Ariyurek, Y., Bartholdi, D., Niedrist, D., Papadia, F., Bacino, C. A., den Dunnen, J. T., van Ommen, G.-J. B., Breuning, M. H., Hennekam, R. C., Peters, D. J. M. &lt;strong&gt;Genetic heterogeneity in Rubinstein-Taybi syndrome: mutations in both the CBP and EP300 genes cause disease.&lt;/strong&gt; Am. J. Hum. Genet. 76: 572-580, 2005.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/15706485/&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;15706485&lt;/a&gt;, &lt;a href=&quot;https://www.ncbi.nlm.nih.gov/pmc/?term=15706485[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/10.1086/429130&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="15706485">Roelfsema et al. (2005)</a> identified 3 different mutations in the EP300 gene (<a href="/entry/602700#0003">602700.0003</a>-<a href="/entry/602700#0005">602700.0005</a>), and stated that these were the first mutations found in EP300 as the basis of a congenital disorder. EP300 and CREBBP (<a href="/entry/600140">600140</a>) both function as transcriptional coactivators in the regulation of gene expression through various signal transduction pathways, and both are potent histone acetyltransferases. These findings suggested that the disorder is caused by aberrant chromatin regulation. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=15706485" 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 1 (2.6%) of 38 patients with RSTS who did not have mutations in the CREBBP gene, <a href="#10" class="mim-tip-reference" title="Zimmermann, N., Acosta, A. M. B. F., Kohlhase, J., Bartsch, O. &lt;strong&gt;Confirmation of EP300 gene mutations as a rare cause of Rubinstein-Taybi syndrome.&lt;/strong&gt; Europ. J. Hum. Genet. 15: 837-842, 2007.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/17299436/&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;17299436&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1038/sj.ejhg.5201791&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="17299436">Zimmermann et al. (2007)</a> identified a mutation in the EP300 gene (<a href="/entry/602700#0006">602700.0006</a>) predicted to result in mild protein truncation. The patient had a very mild form of the disorder. <a href="#10" class="mim-tip-reference" title="Zimmermann, N., Acosta, A. M. B. F., Kohlhase, J., Bartsch, O. &lt;strong&gt;Confirmation of EP300 gene mutations as a rare cause of Rubinstein-Taybi syndrome.&lt;/strong&gt; Europ. J. Hum. Genet. 15: 837-842, 2007.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/17299436/&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;17299436&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1038/sj.ejhg.5201791&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="17299436">Zimmermann et al. (2007)</a> concluded that mutations in the EP300 gene play only a minor role in the etiology of RSTS. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=17299436" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})"><span class="glyphicon glyphicon-plus-sign mim-tip-hint" title="Click this 'reference-plus' icon to see articles related to this paragraph in PubMed."></span></a></p><p>In a 7-year-old boy with global developmental delay and a mild skeletal phenotype but facial dysmorphism reminiscent of RSTS, especially while smiling, <a href="#3" class="mim-tip-reference" title="Foley, P., Bunyan, D., Stratton, J., Dillon, M., Lynch, S. A. &lt;strong&gt;Further case of Rubinstein-Taybi syndrome due to a deletion in EP300.&lt;/strong&gt; Am. J. Med. Genet. 149A: 997-1000, 2009.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/19353645/&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;19353645&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1002/ajmg.a.32771&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="19353645">Foley et al. (2009)</a> identified a de novo deletion in the EP300 gene (<a href="/entry/602700#0007">602700.0007</a>). <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=19353645" 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>Using high resolution array comparative genomic hybridization (array CGH) targeting exons, <a href="#8" class="mim-tip-reference" title="Tsai, A. C.-H., Dossett, C. J., Walton, C. S., Cramer, A. E., Eng, P. A., Nowakowska, B. A., Pursley, A. N., Stankiewicz, P., Wiszniewska, J., Cheung, S. W. &lt;strong&gt;Exon deletions of the EP300 and CREBBP genes in two children with Rubinstein-Taybi syndrome detected by aCGH.&lt;/strong&gt; Europ. J. Hum. Genet. 19: 43-49, 2011.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/20717166/&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;20717166&lt;/a&gt;, &lt;a href=&quot;https://www.ncbi.nlm.nih.gov/pmc/?term=20717166[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/10.1038/ejhg.2010.121&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="20717166">Tsai et al. (2011)</a> identified a de novo 5-kb deletion on chromosome 22q13.32 encompassing exons 24 to 27 of the EP300 gene in a girl referred for mild developmental delay and mild dysmorphic features. The diagnosis was consistent with RSTS2. She had microcephaly, short stature, and behavioral problems, but notably did not have abnormalities of the thumb or great toe. Her mother had preeclampsia during the pregnancy, and the patient was born prematurely at age 28 weeks' gestation. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=20717166" 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="Hamilton, M. J., Newbury-Ecob, R., Holder-Espinasse, M., Yau, S., Lillis, S., Hurst, J. A., Clement, E., Reardon, W., Joss, S., Hobson, E., Blyth, M., Al-Shehhi, M., Lynch, S. A., DDD study, Suri, M. &lt;strong&gt;Rubinstein-Taybi syndrome type 2: report of nine new cases that extend the phenotypic and genotypic spectrum.&lt;/strong&gt; Clin. Dysmorph. 25: 135-147, 2016.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/27465822/&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;27465822&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1097/MCD.0000000000000143&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="27465822">Hamilton et al. (2016)</a> reported heterozygous de novo mutations at highly conserved residues in the EP300 gene in 9 unrelated patients from the UK or Ireland with RSTS2. Six mutations were truncating mutations and 3 were missense (see, e.g., <a href="/entry/602700#0010">602700.0010</a> and <a href="/entry/602700#0011">602700.0011</a>) mutations. <a href="#4" class="mim-tip-reference" title="Hamilton, M. J., Newbury-Ecob, R., Holder-Espinasse, M., Yau, S., Lillis, S., Hurst, J. A., Clement, E., Reardon, W., Joss, S., Hobson, E., Blyth, M., Al-Shehhi, M., Lynch, S. A., DDD study, Suri, M. &lt;strong&gt;Rubinstein-Taybi syndrome type 2: report of nine new cases that extend the phenotypic and genotypic spectrum.&lt;/strong&gt; Clin. Dysmorph. 25: 135-147, 2016.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/27465822/&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;27465822&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1097/MCD.0000000000000143&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="27465822">Hamilton et al. (2016)</a> confirmed all 9 mutations by Sanger sequencing. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=27465822" 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="references"class="mim-anchor"></a>
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<strong>REFERENCES</strong>
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<a id="1" class="mim-anchor"></a>
<a id="Bartholdi2007" class="mim-anchor"></a>
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Bartholdi, D., Roelfsema, J. H., Papadia, F., Breuning, M. H., Niedrist, D., Hennekam, R. C., Schinzel, A., Peters, D. J. M.
<strong>Genetic heterogeneity in Rubinstein-Taybi syndrome: delineation of the phenotype of the first patients carrying mutations in EP300. (Letter)</strong>
J. Med. Genet. 44: 327-333, 2007.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/17220215/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">17220215</a>, <a href="https://www.ncbi.nlm.nih.gov/pmc/?term=17220215[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=17220215" 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.2006.046698" target="_blank">Full Text</a>]
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<a id="Bartsch2010" class="mim-anchor"></a>
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Bartsch, O., Labonte, J., Albrecht, B., Wieczorek, D., Lechno, S., Zechner, U., Haaf, T.
<strong>Two patients with EP300 mutations and facial dysmorphism different from the classic Rubinstein-Taybi syndrome.</strong>
Am. J. Med. Genet. 152A: 181-184, 2010.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/20014264/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">20014264</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=20014264" 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.33153" target="_blank">Full Text</a>]
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<a id="Foley2009" class="mim-anchor"></a>
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Foley, P., Bunyan, D., Stratton, J., Dillon, M., Lynch, S. A.
<strong>Further case of Rubinstein-Taybi syndrome due to a deletion in EP300.</strong>
Am. J. Med. Genet. 149A: 997-1000, 2009.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/19353645/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">19353645</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=19353645" 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.32771" target="_blank">Full Text</a>]
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<a id="Hamilton2016" class="mim-anchor"></a>
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<p class="mim-text-font">
Hamilton, M. J., Newbury-Ecob, R., Holder-Espinasse, M., Yau, S., Lillis, S., Hurst, J. A., Clement, E., Reardon, W., Joss, S., Hobson, E., Blyth, M., Al-Shehhi, M., Lynch, S. A., DDD study, Suri, M.
<strong>Rubinstein-Taybi syndrome type 2: report of nine new cases that extend the phenotypic and genotypic spectrum.</strong>
Clin. Dysmorph. 25: 135-147, 2016.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/27465822/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">27465822</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=27465822" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">related citations</a>]
[<a href="https://doi.org/10.1097/MCD.0000000000000143" target="_blank">Full Text</a>]
</p>
</div>
</li>
<li>
<a id="5" class="mim-anchor"></a>
<a id="Hennekam2006" class="mim-anchor"></a>
<div class="">
<p class="mim-text-font">
Hennekam, R. C. M.
<strong>Rubinstein-Taybi syndrome.</strong>
Europ. J. Hum. Genet. 14: 981-985, 2006.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/16868563/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">16868563</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=16868563" 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.5201594" target="_blank">Full Text</a>]
</p>
</div>
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<li>
<a id="6" class="mim-anchor"></a>
<a id="Roelfsema2005" class="mim-anchor"></a>
<div class="">
<p class="mim-text-font">
Roelfsema, J. H., White, S. J., Ariyurek, Y., Bartholdi, D., Niedrist, D., Papadia, F., Bacino, C. A., den Dunnen, J. T., van Ommen, G.-J. B., Breuning, M. H., Hennekam, R. C., Peters, D. J. M.
<strong>Genetic heterogeneity in Rubinstein-Taybi syndrome: mutations in both the CBP and EP300 genes cause disease.</strong>
Am. J. Hum. Genet. 76: 572-580, 2005.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/15706485/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">15706485</a>, <a href="https://www.ncbi.nlm.nih.gov/pmc/?term=15706485[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=15706485" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">related citations</a>]
[<a href="https://doi.org/10.1086/429130" target="_blank">Full Text</a>]
</p>
</div>
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<a id="7" class="mim-anchor"></a>
<a id="Rubinstein1963" class="mim-anchor"></a>
<div class="">
<p class="mim-text-font">
Rubinstein, J. H., Taybi, H.
<strong>Broad thumbs and toes and facial abnormalities.</strong>
Am. J. Dis. Child. 105: 588-608, 1963.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/13983033/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">13983033</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=13983033" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">related citations</a>]
[<a href="https://doi.org/10.1001/archpedi.1963.02080040590010" target="_blank">Full Text</a>]
</p>
</div>
</li>
<li>
<a id="8" class="mim-anchor"></a>
<a id="Tsai2011" class="mim-anchor"></a>
<div class="">
<p class="mim-text-font">
Tsai, A. C.-H., Dossett, C. J., Walton, C. S., Cramer, A. E., Eng, P. A., Nowakowska, B. A., Pursley, A. N., Stankiewicz, P., Wiszniewska, J., Cheung, S. W.
<strong>Exon deletions of the EP300 and CREBBP genes in two children with Rubinstein-Taybi syndrome detected by aCGH.</strong>
Europ. J. Hum. Genet. 19: 43-49, 2011.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/20717166/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">20717166</a>, <a href="https://www.ncbi.nlm.nih.gov/pmc/?term=20717166[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=20717166" 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/ejhg.2010.121" target="_blank">Full Text</a>]
</p>
</div>
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<li>
<a id="9" class="mim-anchor"></a>
<a id="Woods2014" class="mim-anchor"></a>
<div class="">
<p class="mim-text-font">
Woods, S. A., Robinson, H. B., Kohler, L. J., Agamanolis, D., Sterbenz, G., Khalifa, M.
<strong>Exome sequencing identifies a novel EP300 frame shift mutation in a patient with features that overlap Cornelia de Lange syndrome.</strong>
Am. J. Med. Genet. 164A: 251-258, 2014.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/24352918/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">24352918</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=24352918" 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.36237" target="_blank">Full Text</a>]
</p>
</div>
</li>
<li>
<a id="10" class="mim-anchor"></a>
<a id="Zimmermann2007" class="mim-anchor"></a>
<div class="">
<p class="mim-text-font">
Zimmermann, N., Acosta, A. M. B. F., Kohlhase, J., Bartsch, O.
<strong>Confirmation of EP300 gene mutations as a rare cause of Rubinstein-Taybi syndrome.</strong>
Europ. J. Hum. Genet. 15: 837-842, 2007.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/17299436/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">17299436</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=17299436" 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.5201791" target="_blank">Full Text</a>]
</p>
</div>
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<div>
<a id="contributors" class="mim-anchor"></a>
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Michael Muriello - updated : 03/02/2017
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Ingrid M. Wentzensen - updated : 6/4/2014<br>Cassandra L. Kniffin - updated : 1/10/2012
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Cassandra L. Kniffin : 1/6/2011
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carol : 04/01/2024
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carol : 08/07/2023<br>alopez : 06/05/2018<br>carol : 03/03/2017<br>carol : 03/02/2017<br>carol : 05/27/2016<br>carol : 10/29/2015<br>mcolton : 6/4/2014<br>carol : 1/13/2012<br>ckniffin : 1/10/2012<br>terry : 3/1/2011<br>wwang : 1/25/2011<br>ckniffin : 1/6/2011
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<h3>
<span class="mim-font">
<strong>#</strong> 613684
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<h3>
<span class="mim-font">
RUBINSTEIN-TAYBI SYNDROME 2; RSTS2
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<strong>ORPHA:</strong> 353284, 783; &nbsp;
<strong>DO:</strong> 1933; &nbsp;
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<h4>
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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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<td>
<span class="mim-font">
22q13.2
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<span class="mim-font">
Rubinstein-Taybi syndrome 2
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613684
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Autosomal dominant
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3
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EP300
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602700
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<span class="mim-font">
<strong>TEXT</strong>
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<p>A number sign (#) is used with this entry because Rubinstein-Taybi syndrome-2 (RSTS2) is caused by heterozygous mutation in the EP300 gene (602700) on chromosome 22q13. Most, if not all, mutations occur de novo.</p>
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<strong>Description</strong>
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<p>Rubinstein-Taybi syndrome (RSTS) is a multiple congenital anomaly syndrome characterized by mental retardation, postnatal growth deficiency, microcephaly, broad thumbs and halluces, and dysmorphic facial features. The classic facial appearance is striking, with highly arched eyebrows, long eyelashes, downslanting palpebral fissures, broad nasal bridge, beaked nose with the nasal septum, highly arched palate, mild micrognathia, and characteristic grimacing or abnormal smile (Rubinstein and Taybi, 1963; review by Hennekam, 2006). </p><p>About 50 to 70% of patients have RSTS1 (180849), caused by mutation in the CREBBP gene (600140). RSTS2 is much less common, and about 3% of patients have mutations in the EP300 gene. RSTS2 appears to be associated with a milder phenotype than RSTS1. Patients with RSTS2 have less severe facial dysmorphism and better cognitive function, but may have more severe microcephaly and malformation of facial bone structures compared to those with RSTS1 (Bartsch et al., 2010). </p><p>For a discussion of genetic heterogeneity of Rubinstein-Taybi syndrome, see RSTS1 (180849).</p>
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<strong>Clinical Features</strong>
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<p>Roelfsema et al. (2005) reported 3 unrelated patients with RSTS2. The phenotypes were compatible with RSTS in most respects: all patients had heavy and arched eyebrows, long eyelashes, a prominent nose with long columella, and a pouting lower lip. However, only 1 patient had micrognathia, 1 had mildly downslanted palpebral fissures, and none had the grimacing smile. All had short broad thumbs and big toes, and square distal fingertips. The patients were identified from a larger cohort of 92 patients with a clinical diagnosis of RSTS. </p><p>Bartholdi et al. (2007) reported detailed clinical features of 4 RSTS patients with mutations in the EP300 gene; 3 of the patients had been reported by Roelfsema et al. (2005). The patients had the typical facial gestalt, malformation patterns, and mental and behavioral signs consistent with the syndrome, but 3 patients did not show the classic malformations on both hands and feet, which originally had been considered mandatory for the diagnosis. The authors concluded that clinical variability in RSTS may be due to genetic heterogeneity and emphasized that the diagnosis must be expanded to include individuals without broad thumbs or halluces. </p><p>Zimmermann et al. (2007) reported a female with a mild form of RSTS due to a de novo heterozygous mutation in the EP300 gene (602700.0006). She had microcephaly, beaked nose, narrow high-arched palate, and borderline intelligence (IQ of about 75). Bartsch et al. (2010) provided more detailed information on the patient reported by Zimmermann et al. (2007). At age 19, she had global developmental delay, but was able to work in a sheltered workshop after being schooled in special needs. She had marked mandibular retrognathism, requiring surgical correction. Other features included mild myopia, bilateral pes valgus, genu valgum, and scoliosis. Radiographs showed sphenoid bone asymmetry and deformity of the left side of the atlas. </p><p>Foley et al. (2009) described a 7-year-old boy with global developmental delay, slightly broad halluces and terminal phalanges but normal thumbs, and facial dysmorphism reminiscent of RSTS, especially while smiling, in whom they identified a de novo deletion in the EP300 gene (602700.0007). Dysmorphic features included microcephaly, slightly prominent columella, long eyelashes with rather full arched eyebrows, overlapping toes, and evidence of hirsutism on his back with a hair tuft on the left paravertebral region. </p><p>Bartsch et al. (2010) reported a 3-year-old boy with RSTS2. He had severe microcephaly, retrognathia, broad thumbs and great toes, and delayed psychomotor development with marked speech delay. He also had posterior helical pits, but normal palpebral fissures, nose, and mouth. Genetic analysis identified an apparently de novo heterozygous mutation in the EP300 gene (638delG; 602700.0008). Bartsch et al. (2010) proposed that RSTS individuals with EP300 mutations have a slightly different phenotype than those with CREBBP mutations, including less severe mental impairment, more severe microcephaly, and a greater degree of changes in facial bone structure. </p><p>Woods et al. (2014) reported a 5-year-old Caucasian male with a phenotype suggesting Cornelia de Lange syndrome (CDLS; 122470) in whom no mutations were found in CDLS-related genes. The boy presented with intrauterine growth restriction, failure to thrive, microcephaly, cryptorchidism, hirsutism, short stature, and intellectual disability. He also had severe progressive scoliosis and chest deformity. He did not have the cardinal features of RSTS such as the typical facial gestalt or broad thumbs or toes. Exome sequencing after the child's death from bronchopneumonia identified a novel mutation in the EP300 gene (602700.0009). Autopsy showed intestinal malrotation, lung lobulation, and genitourinary anomalies. Woods et al. (2014) noted that this was the fourth RSTS case with a mutation in EP300 associated with preeclampsia and premature birth. </p><p>Hamilton et al. (2016) described 9 unrelated patients, aged 3 to 19 years, with RSTS2. Two of the pregnancies were complicated by preeclampsia. All 9 patients had mild or moderate intellectual impairment, and 8 had delays in gross motor development. Eight patients had behavioral or social difficulties, and 3 had a diagnosis of autism spectrum disorder. Typical dysmorphic features were variably present. Additional features included scoliosis in 2, syndactyly in 3, feeding/swallowing issues beyond the neonatal period in 3, and hypermobility or dislocation of the elbow in 2. Three patients had overlapping features with Floating-Harbor syndrome (136140), including thin upper vermilion, long nose, and low-hanging columella in 2 and delayed bone age in 2. </p>
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<div>
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<div>
<h4>
<span class="mim-font">
<strong>Inheritance</strong>
</span>
</h4>
</div>
<span class="mim-text-font">
<p>The heterozygous mutations in the EP300 gene that were identified in patients with RSTS2 by Roelfsema et al. (2005) occurred de novo. The authors noted that although RSTS is considered to be an autosomal dominant disorder, patients with RSTS very rarely have children. Almost all mutations, therefore, occur de novo. </p>
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<h4>
<span class="mim-font">
<strong>Molecular Genetics</strong>
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<span class="mim-text-font">
<p>In 3 of 92 patients with a clinical diagnosis of RSTS, Roelfsema et al. (2005) identified 3 different mutations in the EP300 gene (602700.0003-602700.0005), and stated that these were the first mutations found in EP300 as the basis of a congenital disorder. EP300 and CREBBP (600140) both function as transcriptional coactivators in the regulation of gene expression through various signal transduction pathways, and both are potent histone acetyltransferases. These findings suggested that the disorder is caused by aberrant chromatin regulation. </p><p>In 1 (2.6%) of 38 patients with RSTS who did not have mutations in the CREBBP gene, Zimmermann et al. (2007) identified a mutation in the EP300 gene (602700.0006) predicted to result in mild protein truncation. The patient had a very mild form of the disorder. Zimmermann et al. (2007) concluded that mutations in the EP300 gene play only a minor role in the etiology of RSTS. </p><p>In a 7-year-old boy with global developmental delay and a mild skeletal phenotype but facial dysmorphism reminiscent of RSTS, especially while smiling, Foley et al. (2009) identified a de novo deletion in the EP300 gene (602700.0007). </p><p>Using high resolution array comparative genomic hybridization (array CGH) targeting exons, Tsai et al. (2011) identified a de novo 5-kb deletion on chromosome 22q13.32 encompassing exons 24 to 27 of the EP300 gene in a girl referred for mild developmental delay and mild dysmorphic features. The diagnosis was consistent with RSTS2. She had microcephaly, short stature, and behavioral problems, but notably did not have abnormalities of the thumb or great toe. Her mother had preeclampsia during the pregnancy, and the patient was born prematurely at age 28 weeks' gestation. </p><p>Hamilton et al. (2016) reported heterozygous de novo mutations at highly conserved residues in the EP300 gene in 9 unrelated patients from the UK or Ireland with RSTS2. Six mutations were truncating mutations and 3 were missense (see, e.g., 602700.0010 and 602700.0011) mutations. Hamilton et al. (2016) confirmed all 9 mutations by Sanger sequencing. </p>
</span>
<div>
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<div>
<h4>
<span class="mim-font">
<strong>REFERENCES</strong>
</span>
</h4>
<div>
<p />
</div>
<div>
<ol>
<li>
<p class="mim-text-font">
Bartholdi, D., Roelfsema, J. H., Papadia, F., Breuning, M. H., Niedrist, D., Hennekam, R. C., Schinzel, A., Peters, D. J. M.
<strong>Genetic heterogeneity in Rubinstein-Taybi syndrome: delineation of the phenotype of the first patients carrying mutations in EP300. (Letter)</strong>
J. Med. Genet. 44: 327-333, 2007.
[PubMed: 17220215]
[Full Text: https://doi.org/10.1136/jmg.2006.046698]
</p>
</li>
<li>
<p class="mim-text-font">
Bartsch, O., Labonte, J., Albrecht, B., Wieczorek, D., Lechno, S., Zechner, U., Haaf, T.
<strong>Two patients with EP300 mutations and facial dysmorphism different from the classic Rubinstein-Taybi syndrome.</strong>
Am. J. Med. Genet. 152A: 181-184, 2010.
[PubMed: 20014264]
[Full Text: https://doi.org/10.1002/ajmg.a.33153]
</p>
</li>
<li>
<p class="mim-text-font">
Foley, P., Bunyan, D., Stratton, J., Dillon, M., Lynch, S. A.
<strong>Further case of Rubinstein-Taybi syndrome due to a deletion in EP300.</strong>
Am. J. Med. Genet. 149A: 997-1000, 2009.
[PubMed: 19353645]
[Full Text: https://doi.org/10.1002/ajmg.a.32771]
</p>
</li>
<li>
<p class="mim-text-font">
Hamilton, M. J., Newbury-Ecob, R., Holder-Espinasse, M., Yau, S., Lillis, S., Hurst, J. A., Clement, E., Reardon, W., Joss, S., Hobson, E., Blyth, M., Al-Shehhi, M., Lynch, S. A., DDD study, Suri, M.
<strong>Rubinstein-Taybi syndrome type 2: report of nine new cases that extend the phenotypic and genotypic spectrum.</strong>
Clin. Dysmorph. 25: 135-147, 2016.
[PubMed: 27465822]
[Full Text: https://doi.org/10.1097/MCD.0000000000000143]
</p>
</li>
<li>
<p class="mim-text-font">
Hennekam, R. C. M.
<strong>Rubinstein-Taybi syndrome.</strong>
Europ. J. Hum. Genet. 14: 981-985, 2006.
[PubMed: 16868563]
[Full Text: https://doi.org/10.1038/sj.ejhg.5201594]
</p>
</li>
<li>
<p class="mim-text-font">
Roelfsema, J. H., White, S. J., Ariyurek, Y., Bartholdi, D., Niedrist, D., Papadia, F., Bacino, C. A., den Dunnen, J. T., van Ommen, G.-J. B., Breuning, M. H., Hennekam, R. C., Peters, D. J. M.
<strong>Genetic heterogeneity in Rubinstein-Taybi syndrome: mutations in both the CBP and EP300 genes cause disease.</strong>
Am. J. Hum. Genet. 76: 572-580, 2005.
[PubMed: 15706485]
[Full Text: https://doi.org/10.1086/429130]
</p>
</li>
<li>
<p class="mim-text-font">
Rubinstein, J. H., Taybi, H.
<strong>Broad thumbs and toes and facial abnormalities.</strong>
Am. J. Dis. Child. 105: 588-608, 1963.
[PubMed: 13983033]
[Full Text: https://doi.org/10.1001/archpedi.1963.02080040590010]
</p>
</li>
<li>
<p class="mim-text-font">
Tsai, A. C.-H., Dossett, C. J., Walton, C. S., Cramer, A. E., Eng, P. A., Nowakowska, B. A., Pursley, A. N., Stankiewicz, P., Wiszniewska, J., Cheung, S. W.
<strong>Exon deletions of the EP300 and CREBBP genes in two children with Rubinstein-Taybi syndrome detected by aCGH.</strong>
Europ. J. Hum. Genet. 19: 43-49, 2011.
[PubMed: 20717166]
[Full Text: https://doi.org/10.1038/ejhg.2010.121]
</p>
</li>
<li>
<p class="mim-text-font">
Woods, S. A., Robinson, H. B., Kohler, L. J., Agamanolis, D., Sterbenz, G., Khalifa, M.
<strong>Exome sequencing identifies a novel EP300 frame shift mutation in a patient with features that overlap Cornelia de Lange syndrome.</strong>
Am. J. Med. Genet. 164A: 251-258, 2014.
[PubMed: 24352918]
[Full Text: https://doi.org/10.1002/ajmg.a.36237]
</p>
</li>
<li>
<p class="mim-text-font">
Zimmermann, N., Acosta, A. M. B. F., Kohlhase, J., Bartsch, O.
<strong>Confirmation of EP300 gene mutations as a rare cause of Rubinstein-Taybi syndrome.</strong>
Europ. J. Hum. Genet. 15: 837-842, 2007.
[PubMed: 17299436]
[Full Text: https://doi.org/10.1038/sj.ejhg.5201791]
</p>
</li>
</ol>
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Michael Muriello - updated : 03/02/2017<br>Ingrid M. Wentzensen - updated : 6/4/2014<br>Cassandra L. Kniffin - updated : 1/10/2012
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carol : 04/01/2024<br>carol : 08/07/2023<br>alopez : 06/05/2018<br>carol : 03/03/2017<br>carol : 03/02/2017<br>carol : 05/27/2016<br>carol : 10/29/2015<br>mcolton : 6/4/2014<br>carol : 1/13/2012<br>ckniffin : 1/10/2012<br>terry : 3/1/2011<br>wwang : 1/25/2011<br>ckniffin : 1/6/2011
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