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<title>
Entry
- #309583 - INTELLECTUAL DEVELOPMENTAL DISORDER, X-LINKED, SYNDROMIC, SNYDER-ROBINSON TYPE; MRXSSR
- OMIM
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<span class="h4">#309583</span>
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<a href="#title"><strong>Title</strong></a>
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<a href="#phenotypeMap"><strong>Phenotype-Gene Relationships</strong></a>
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<a href="/clinicalSynopsis/309583"><strong>Clinical Synopsis</strong></a>
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<a href="/phenotypicSeries/PS309510"> <strong>Phenotypic Series</strong> </a>
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<a href="#text"><strong>Text</strong></a>
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<a href="#description">Description</a>
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<a href="#mapping">Mapping</a>
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<a href="#molecularGenetics">Molecular Genetics</a>
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<a href="#references"><strong>References</strong></a>
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<a href="#contributors"><strong>Contributors</strong></a>
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<a href="#creationDate"><strong>Creation Date</strong></a>
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<div><a href="https://clinicaltrials.gov/search?cond=INTELLECTUAL DEVELOPMENTAL DISORDER, X-LINKED, SYNDROMIC, SNYDER-ROBINSON TYPE" 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><a href="https://www.alliancegenome.org/disease/DOID:0060802" 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/309583" 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>
</div>
</div>
</div>
</div>
</div>
<span>
<span class="mim-tip-bottom" qtip_title="<strong>Looking for this gene or this phenotype in other resources?</strong>" qtip_text="Select a related resource from the dropdown menu and click for a targeted link to information directly relevant.">
&nbsp;
</span>
</span>
</div>
<div class="col-lg-8 col-lg-pull-2 col-md-8 col-md-pull-2 col-sm-8 col-sm-pull-2 col-xs-12">
<div>
<a id="title" class="mim-anchor"></a>
<div>
<a id="number" class="mim-anchor"></a>
<div class="text-right">
<a href="#" class="mim-tip-icd" qtip_title="<strong>ICD+</strong>" qtip_text="
<strong>SNOMEDCT:</strong> 702416008<br />
<strong>ORPHA:</strong> 3063<br />
<strong>DO:</strong> 0060802<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>
309583
</span>
</span>
</div>
</div>
<div>
<a id="preferredTitle" class="mim-anchor"></a>
<h3>
<span class="mim-font">
INTELLECTUAL DEVELOPMENTAL DISORDER, X-LINKED, SYNDROMIC, SNYDER-ROBINSON TYPE; MRXSSR
</span>
</h3>
</div>
<div>
<br />
</div>
<div>
<a id="alternativeTitles" class="mim-anchor"></a>
<div>
<p>
<span class="mim-font">
<em>Alternative titles; symbols</em>
</span>
</p>
</div>
<div>
<h4>
<span class="mim-font">
MENTAL RETARDATION, X-LINKED, SYNDROMIC, SNYDER-ROBINSON TYPE<br />
SNYDER-ROBINSON MENTAL RETARDATION SYNDROME; SRS
</span>
</h4>
</div>
</div>
<div>
<br />
</div>
</div>
<div>
<a id="phenotypeMap" class="mim-anchor"></a>
<h4>
<span class="mim-font">
<strong>Phenotype-Gene Relationships</strong>
</span>
</h4>
<div>
<table class="table table-bordered table-condensed table-hover small mim-table-padding">
<thead>
<tr class="active">
<th>
Location
</th>
<th>
Phenotype
</th>
<th>
Phenotype <br /> MIM number
</th>
<th>
Inheritance
</th>
<th>
Phenotype <br /> mapping key
</th>
<th>
Gene/Locus
</th>
<th>
Gene/Locus <br /> MIM number
</th>
</tr>
</thead>
<tbody>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/X/114?start=-3&limit=10&highlight=114">
Xp22.11
</a>
</span>
</td>
<td>
<span class="mim-font">
Intellectual developmental disorder, X-linked syndromic, Snyder-Robinson type
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/309583"> 309583 </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="X-linked recessive">XLR</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">
SMS
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300105"> 300105 </a>
</span>
</td>
</tr>
</tbody>
</table>
</div>
</div>
<div>
<div class="btn-group ">
<a href="/clinicalSynopsis/309583" class="btn btn-warning" role="button"> Clinical Synopsis </a>
<button type="button" id="mimPhenotypicSeriesToggle" class="btn btn-warning dropdown-toggle mimSingletonFoldToggle" data-toggle="collapse" href="#mimClinicalSynopsisFold" onclick="ga('send', 'event', 'Unfurl', 'ClinicalSynopsis', 'omim.org')">
<span class="caret"></span>
<span class="sr-only">Toggle Dropdown</span>
</button>
</div>
&nbsp;
<div class="btn-group">
<a href="/phenotypicSeries/PS309510" class="btn btn-info" role="button"> Phenotypic Series </a>
<button type="button" id="mimPhenotypicSeriesToggle" class="btn btn-info dropdown-toggle mimSingletonFoldToggle" data-toggle="collapse" href="#mimPhenotypicSeriesFold" onclick="ga('send', 'event', 'Unfurl', 'PhenotypicSeries', 'omim.org')">
<span class="caret"></span>
<span class="sr-only">Toggle Dropdown</span>
</button>
</div>
&nbsp;
<div class="btn-group">
<button type="button" class="btn btn-success dropdown-toggle" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
PheneGene Graphics <span class="caret"></span>
</button>
<ul class="dropdown-menu" style="width: 17em;">
<li><a href="/graph/linear/309583" target="_blank" onclick="gtag('event', 'mim_graph', {'destination': 'Linear'})"> Linear </a></li>
<li><a href="/graph/radial/309583" 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">
- X-linked recessive <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C1845977&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C1845977</a>, <a href="https://bioportal.bioontology.org/search?q=C1279481&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C1279481</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0001419" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0001419</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0001419" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0001419</a>]</span><br />
</span>
</div>
</div>
</div>
<div>
<div>
<span class="h5 mim-font">
<strong> GROWTH </strong>
</span>
</div>
<div style="margin-left: 2em;">
<div>
<div>
<span class="h5 mim-font">
<em> Height </em>
</span>
</div>
<div style="margin-left: 2em;">
<span class="mim-font">
- Tall stature <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/248328003" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">248328003</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0241240&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0241240</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000098" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000098</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000098" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000098</a>]</span><br /> -
Short stature <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/422065006" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">422065006</a>, <a href="https://purl.bioontology.org/ontology/SNOMEDCT/237836003" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">237836003</a>, <a href="https://purl.bioontology.org/ontology/SNOMEDCT/237837007" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">237837007</a>]</span> <span class="mim-feature-ids hidden">[ICD10CM: <a href="https://purl.bioontology.org/ontology/ICD10CM/E34.31" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD10CM\', \'domain\': \'bioontology.org\'})">E34.31</a>, <a href="https://purl.bioontology.org/ontology/ICD10CM/R62.52" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD10CM\', \'domain\': \'bioontology.org\'})">R62.52</a>]</span> <span class="mim-feature-ids hidden">[ICD9CM: <a href="https://purl.bioontology.org/ontology/ICD9CM/783.43" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD9CM\', \'domain\': \'bioontology.org\'})">783.43</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0349588&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0349588</a>, <a href="https://bioportal.bioontology.org/search?q=C0013336&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0013336</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0003510" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0003510</a>, <a href="https://hpo.jax.org/app/browse/term/HP:0004322" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0004322</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0004322" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0004322</a>]</span><br />
</span>
</div>
</div>
<div>
<div>
<span class="h5 mim-font">
<em> Other </em>
</span>
</div>
<div style="margin-left: 2em;">
<span class="mim-font">
- Thin body build <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C1839738&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C1839738</a>]</span><br />
</span>
</div>
</div>
</div>
</div>
<div>
<div>
<span class="h5 mim-font">
<strong> HEAD & NECK </strong>
</span>
</div>
<div style="margin-left: 2em;">
<div>
<div>
<span class="h5 mim-font">
<em> Face </em>
</span>
</div>
<div style="margin-left: 2em;">
<span class="mim-font">
- Facial asymmetry <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/13851000119109" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">13851000119109</a>, <a href="https://purl.bioontology.org/ontology/SNOMEDCT/15253005" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">15253005</a>]</span> <span class="mim-feature-ids hidden">[ICD10CM: <a href="https://purl.bioontology.org/ontology/ICD10CM/Q67.0" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD10CM\', \'domain\': \'bioontology.org\'})">Q67.0</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C1306710&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C1306710</a>, <a href="https://bioportal.bioontology.org/search?q=C0546952&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0546952</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000324" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000324</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000324" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000324</a>]</span><br /> -
Prognathism <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/72855002" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">72855002</a>, <a href="https://purl.bioontology.org/ontology/SNOMEDCT/109504005" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">109504005</a>, <a href="https://purl.bioontology.org/ontology/SNOMEDCT/22810007" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">22810007</a>]</span> <span class="mim-feature-ids hidden">[ICD10CM: <a href="https://purl.bioontology.org/ontology/ICD10CM/M26.213" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD10CM\', \'domain\': \'bioontology.org\'})">M26.213</a>]</span> <span class="mim-feature-ids hidden">[ICD9CM: <a href="https://purl.bioontology.org/ontology/ICD9CM/524.23" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD9CM\', \'domain\': \'bioontology.org\'})">524.23</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0399526&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0399526</a>, <a href="https://bioportal.bioontology.org/search?q=C0033324&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0033324</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000303" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000303</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000303" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000303</a>]</span> <a href="https://elementsofmorphology.nih.gov/index.cgi?tid=2aaef6d7371d3478c5adcef40ea1e36f" target="_blank" class="small mim-tip-eom" title="&lt;img src=&quot;https://elementsofmorphology.nih.gov/images/terms/Prognathism-small.jpg&quot;&gt; &lt;br/&gt;Further Information: &lt;a href=&quot;https://elementsofmorphology.nih.gov/index.cgi?tid=2aaef6d7371d3478c5adcef40ea1e36f&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 /> -
Short philtrum <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C1861324&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C1861324</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000322" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000322</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000322" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000322</a>]</span> <a href="https://elementsofmorphology.nih.gov/index.cgi?tid=16ecf2e0f23dddf7b8b7cf447ceb827b" target="_blank" class="small mim-tip-eom" title="&lt;img src=&quot;https://elementsofmorphology.nih.gov/images/terms/Philtrum,Short-small.jpg&quot;&gt; &lt;br/&gt;Further Information: &lt;a href=&quot;https://elementsofmorphology.nih.gov/index.cgi?tid=16ecf2e0f23dddf7b8b7cf447ceb827b&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">
- Asymmetric dysplastic ears <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C2748931&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C2748931</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">
- High myopia <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/34187009" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">34187009</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0271183&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0271183</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0011003" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0011003</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0011003" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0011003</a>]</span><br /> -
Hypertelorism, mild <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C1854711&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C1854711</a>]</span> <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/22006008" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">22006008</a>]</span> <span class="mim-feature-ids hidden">[ICD10CM: <a href="https://purl.bioontology.org/ontology/ICD10CM/Q75.2" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD10CM\', \'domain\': \'bioontology.org\'})">Q75.2</a>]</span> <span class="mim-feature-ids hidden">[ICD9CM: <a href="https://purl.bioontology.org/ontology/ICD9CM/376.41" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD9CM\', \'domain\': \'bioontology.org\'})">376.41</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000316" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000316</a>]</span> <a href="https://elementsofmorphology.nih.gov/index.cgi?tid=593a4d488f00bb03351a0ddffaf4ac9a" target="_blank" class="small mim-tip-eom" title="&lt;img src=&quot;https://elementsofmorphology.nih.gov/images/terms/Eyes,Widely_Spaced-small.jpg&quot;&gt; &lt;br/&gt;Further Information: &lt;a href=&quot;https://elementsofmorphology.nih.gov/index.cgi?tid=593a4d488f00bb03351a0ddffaf4ac9a&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 /> -
Slanted palpebral fissures <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C2748932&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C2748932</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0200006" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0200006</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">
- Prominent lower lip <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C1839739&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C1839739</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000179" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000179</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000179" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000179</a>]</span><br /> -
Small upper lip <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C1847343&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C1847343</a>]</span><br /> -
High, narrow palate <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C1837404&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C1837404</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0002705" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0002705</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0002705" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0002705</a>]</span><br /> -
Cleft palate <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/63567004" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">63567004</a>, <a href="https://purl.bioontology.org/ontology/SNOMEDCT/87979003" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">87979003</a>]</span> <span class="mim-feature-ids hidden">[ICD10CM: <a href="https://purl.bioontology.org/ontology/ICD10CM/Q35.5" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD10CM\', \'domain\': \'bioontology.org\'})">Q35.5</a>, <a href="https://purl.bioontology.org/ontology/ICD10CM/Q35" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD10CM\', \'domain\': \'bioontology.org\'})">Q35</a>, <a href="https://purl.bioontology.org/ontology/ICD10CM/Q35.9" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD10CM\', \'domain\': \'bioontology.org\'})">Q35.9</a>]</span> <span class="mim-feature-ids hidden">[ICD9CM: <a href="https://purl.bioontology.org/ontology/ICD9CM/749.00" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD9CM\', \'domain\': \'bioontology.org\'})">749.00</a>, <a href="https://purl.bioontology.org/ontology/ICD9CM/749.0" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD9CM\', \'domain\': \'bioontology.org\'})">749.0</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C1837218&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C1837218</a>, <a href="https://bioportal.bioontology.org/search?q=C2981150&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C2981150</a>, <a href="https://bioportal.bioontology.org/search?q=C2240378&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C2240378</a>, <a href="https://bioportal.bioontology.org/search?q=C0008925&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0008925</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000175" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000175</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000175" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000175</a>]</span><br /> -
Bifid uvula <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/18910001" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">18910001</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C4551488&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C4551488</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000193" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000193</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000193" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000193</a>]</span> <a href="https://elementsofmorphology.nih.gov/index.cgi?tid=3c22579bdef4e88303964de87353ca6f" target="_blank" class="small mim-tip-eom" title="&lt;img src=&quot;https://elementsofmorphology.nih.gov/images/terms/Uvula,Cleft-small.jpg&quot;&gt; &lt;br/&gt;Further Information: &lt;a href=&quot;https://elementsofmorphology.nih.gov/index.cgi?tid=3c22579bdef4e88303964de87353ca6f&quot target=&quot;_blank&quot onclick=&quot;gtag(\'event\', \'mim_outbound\', {\'name\': \'EOM\', \'domain\': \'elementsofmorphology.nih.gov\'})&quot;&gt;Elements of Morphology&lt;/a&gt;"><span class="glyphicon glyphicon-user" aria-hidden="true"></span></a><br />
</span>
</div>
</div>
<div>
<div>
<span class="h5 mim-font">
<em> Teeth </em>
</span>
</div>
<div style="margin-left: 2em;">
<span class="mim-font">
- Overcrowded teeth <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/12351004" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">12351004</a>]</span> <span class="mim-feature-ids hidden">[ICD9CM: <a href="https://purl.bioontology.org/ontology/ICD9CM/524.31" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD9CM\', \'domain\': \'bioontology.org\'})">524.31</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0040433&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0040433</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000678" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000678</a>]</span><br />
</span>
</div>
</div>
<div>
<div>
<span class="h5 mim-font">
<em> Neck </em>
</span>
</div>
<div style="margin-left: 2em;">
<span class="mim-font">
- Short, webbed neck <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C1839111&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C1839111</a>]</span><br />
</span>
</div>
</div>
</div>
</div>
<div>
<div>
<span class="h5 mim-font">
<strong> CHEST </strong>
</span>
</div>
<div style="margin-left: 2em;">
<div>
<div>
<span class="h5 mim-font">
<em> Ribs Sternum Clavicles & Scapulae </em>
</span>
</div>
<div style="margin-left: 2em;">
<span class="mim-font">
- Pectus excavatum <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/391987005" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">391987005</a>, <a href="https://purl.bioontology.org/ontology/SNOMEDCT/391982004" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">391982004</a>]</span> <span class="mim-feature-ids hidden">[ICD10CM: <a href="https://purl.bioontology.org/ontology/ICD10CM/Q67.6" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD10CM\', \'domain\': \'bioontology.org\'})">Q67.6</a>]</span> <span class="mim-feature-ids hidden">[ICD9CM: <a href="https://purl.bioontology.org/ontology/ICD9CM/754.81" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD9CM\', \'domain\': \'bioontology.org\'})">754.81</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0016842&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0016842</a>, <a href="https://bioportal.bioontology.org/search?q=C2051831&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C2051831</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000767" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000767</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000767" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000767</a>]</span><br /> -
Pectus carinatum <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/205101001" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">205101001</a>, <a href="https://purl.bioontology.org/ontology/SNOMEDCT/38774000" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">38774000</a>]</span> <span class="mim-feature-ids hidden">[ICD10CM: <a href="https://purl.bioontology.org/ontology/ICD10CM/Q67.7" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD10CM\', \'domain\': \'bioontology.org\'})">Q67.7</a>]</span> <span class="mim-feature-ids hidden">[ICD9CM: <a href="https://purl.bioontology.org/ontology/ICD9CM/754.82" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD9CM\', \'domain\': \'bioontology.org\'})">754.82</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C2939416&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C2939416</a>, <a href="https://bioportal.bioontology.org/search?q=C0158731&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0158731</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000768" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000768</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000768" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000768</a>]</span><br />
</span>
</div>
</div>
<div>
<div>
<span class="h5 mim-font">
<em> Breasts </em>
</span>
</div>
<div style="margin-left: 2em;">
<span class="mim-font">
- Widely spaced nipples <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/423230008" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">423230008</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C1827524&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C1827524</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0006610" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0006610</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0006610" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0006610</a>]</span><br />
</span>
</div>
</div>
</div>
</div>
<div>
<div>
<span class="h5 mim-font">
<strong> GENITOURINARY </strong>
</span>
</div>
<div style="margin-left: 2em;">
<div>
<div>
<span class="h5 mim-font">
<em> Internal Genitalia (Male) </em>
</span>
</div>
<div style="margin-left: 2em;">
<span class="mim-font">
- Cryptorchidism <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/204878001" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">204878001</a>]</span> <span class="mim-feature-ids hidden">[ICD10CM: <a href="https://purl.bioontology.org/ontology/ICD10CM/Q53.9" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD10CM\', \'domain\': \'bioontology.org\'})">Q53.9</a>]</span> <span class="mim-feature-ids hidden">[ICD9CM: <a href="https://purl.bioontology.org/ontology/ICD9CM/752.51" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD9CM\', \'domain\': \'bioontology.org\'})">752.51</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0010417&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0010417</a>, <a href="https://bioportal.bioontology.org/search?q=C5441920&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C5441920</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000028" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000028</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000028" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000028</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>
<span class="mim-font">
- Osteoporosis <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/64859006" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">64859006</a>]</span> <span class="mim-feature-ids hidden">[ICD10CM: <a href="https://purl.bioontology.org/ontology/ICD10CM/Z82.62" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD10CM\', \'domain\': \'bioontology.org\'})">Z82.62</a>, <a href="https://purl.bioontology.org/ontology/ICD10CM/M81.0" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD10CM\', \'domain\': \'bioontology.org\'})">M81.0</a>]</span> <span class="mim-feature-ids hidden">[ICD9CM: <a href="https://purl.bioontology.org/ontology/ICD9CM/733.0" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD9CM\', \'domain\': \'bioontology.org\'})">733.0</a>, <a href="https://purl.bioontology.org/ontology/ICD9CM/V17.81" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD9CM\', \'domain\': \'bioontology.org\'})">V17.81</a>, <a href="https://purl.bioontology.org/ontology/ICD9CM/733.00" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD9CM\', \'domain\': \'bioontology.org\'})">733.00</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C2911643&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C2911643</a>, <a href="https://bioportal.bioontology.org/search?q=C0029456&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0029456</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000939" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000939</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000939" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000939</a>]</span><br /> -
Multiple fractures <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/788192009" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">788192009</a>, <a href="https://purl.bioontology.org/ontology/SNOMEDCT/771485007" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">771485007</a>, <a href="https://purl.bioontology.org/ontology/SNOMEDCT/5468008" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">5468008</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0016655&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0016655</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0002757" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0002757</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0002757" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0002757</a>]</span><br />
</span>
</div>
<div>
<div>
<span class="h5 mim-font">
<em> Spine </em>
</span>
</div>
<div style="margin-left: 2em;">
<span class="mim-font">
- Kyphoscoliosis <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/405771009" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">405771009</a>, <a href="https://purl.bioontology.org/ontology/SNOMEDCT/405772002" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">405772002</a>, <a href="https://purl.bioontology.org/ontology/SNOMEDCT/405773007" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">405773007</a>]</span> <span class="mim-feature-ids hidden">[ICD10CM: <a href="https://purl.bioontology.org/ontology/ICD10CM/M41" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD10CM\', \'domain\': \'bioontology.org\'})">M41</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0600033&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0600033</a>, <a href="https://bioportal.bioontology.org/search?q=C0575158&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0575158</a>, <a href="https://bioportal.bioontology.org/search?q=C0345392&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0345392</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0002751" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0002751</a>, <a href="https://hpo.jax.org/app/browse/term/HP:0008453" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0008453</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0002751" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0002751</a>]</span><br />
</span>
</div>
</div>
<div>
<div>
<span class="h5 mim-font">
<em> Hands </em>
</span>
</div>
<div style="margin-left: 2em;">
<span class="mim-font">
- Long, thin hands <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C1839740&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C1839740</a>]</span><br /> -
Long, hyperextensible fingers <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C1839741&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C1839741</a>]</span><br />
</span>
</div>
</div>
<div>
<div>
<span class="h5 mim-font">
<em> Feet </em>
</span>
</div>
<div style="margin-left: 2em;">
<span class="mim-font">
- Long halluces <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C1864375&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C1864375</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0001847" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0001847</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0001847" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0001847</a>]</span><br /> -
Clubfoot <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/397932003" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">397932003</a>, <a href="https://purl.bioontology.org/ontology/SNOMEDCT/1156475005" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">1156475005</a>]</span> <span class="mim-feature-ids hidden">[ICD10CM: <a href="https://purl.bioontology.org/ontology/ICD10CM/Q66.0" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD10CM\', \'domain\': \'bioontology.org\'})">Q66.0</a>, <a href="https://purl.bioontology.org/ontology/ICD10CM/Q66.89" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD10CM\', \'domain\': \'bioontology.org\'})">Q66.89</a>]</span> <span class="mim-feature-ids hidden">[ICD9CM: <a href="https://purl.bioontology.org/ontology/ICD9CM/754.51" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD9CM\', \'domain\': \'bioontology.org\'})">754.51</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0009081&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0009081</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0001762" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0001762</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0001762" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0001762</a>]</span><br />
</span>
</div>
</div>
</div>
</div>
<div>
<div>
<span class="h5 mim-font">
<strong> MUSCLE, SOFT TISSUES </strong>
</span>
</div>
<div style="margin-left: 2em;">
<div>
<span class="mim-font">
- Decreased muscle mass <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C1837108&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C1837108</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0003199" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0003199</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0003199" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0003199</a>]</span><br />
</span>
</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 (males) <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C1839737&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C1839737</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 /> -
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 /> -
Wide-based gait <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0856863&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0856863</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0002136" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0002136</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0002136" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0002136</a>]</span><br /> -
Seizures <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/91175000" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">91175000</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0036572&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0036572</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0001250" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0001250</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0001250" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0001250</a>]</span><br />
</span>
</div>
</div>
</div>
</div>
<div>
<div>
<span class="h5 mim-font">
<strong> VOICE </strong>
</span>
</div>
<div style="margin-left: 2em;">
<div>
<span class="mim-font">
- Nasal speech <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/289190003" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">289190003</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0566620&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0566620</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0001611" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0001611</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0001611" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0001611</a>]</span><br /> -
Dysarthric speech <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/8011004" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">8011004</a>]</span> <span class="mim-feature-ids hidden">[ICD9CM: <a href="https://purl.bioontology.org/ontology/ICD9CM/438.13" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD9CM\', \'domain\': \'bioontology.org\'})">438.13</a>, <a href="https://purl.bioontology.org/ontology/ICD9CM/784.51" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD9CM\', \'domain\': \'bioontology.org\'})">784.51</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0013362&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0013362</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0001260" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0001260</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0001260" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0001260</a>]</span><br />
</span>
</div>
</div>
</div>
<div>
<div>
<span class="h5 mim-font">
<strong> MISCELLANEOUS </strong>
</span>
</div>
<div style="margin-left: 2em;">
<div>
<span class="mim-font">
- Variable phenotype <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C1837514&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C1837514</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0003812" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0003812</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0003812" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0003812</a>]</span><br /> -
Carrier females are normal<br />
</span>
</div>
</div>
</div>
<div>
<div>
<span class="h5 mim-font">
<strong> MOLECULAR BASIS </strong>
</span>
</div>
<div style="margin-left: 2em;">
<div>
<span class="mim-font">
- Caused by mutation in the spermine synthase gene (SMS, <a href="/entry/300105#0001">300105.0001</a>)<br />
</span>
</div>
</div>
</div>
<div class="text-right">
<a href="#mimClinicalSynopsisFold" data-toggle="collapse">&#9650;&nbsp;Close</a>
</div>
</div>
</div>
<div id="mimPhenotypicSeriesFold" class="well well-sm collapse mimSingletonToggleFold">
<div class="small">
<div class="row">
<div class="col-lg-12 col-md-12 col-sm-12 col-xs-12">
<h5>
Intellectual developmental disorder, X-linked syndromic
- <a href="/phenotypicSeries/PS309510">PS309510</a>
- 56 Entries
</h5>
</div>
</div>
<div class="row" style="margin-left: 0.125em; margin-right: 0.125em;">
<table class="table table-bordered table-condensed table-hover mim-table-padding">
<thead>
<tr>
<th class="col-lg-1 col-md-1 col-sm-1 col-xs-1 text-nowrap">
<strong>Location</strong>
</th>
<th class="col-lg-5 col-md-5 col-sm-5 col-xs-6 text-nowrap">
<strong>Phenotype</strong>
</th>
<th class="col-lg-1 col-md-1 col-sm-1 col-xs-1 text-nowrap">
<strong>Inheritance</strong>
</th>
<th class="col-lg-1 col-md-1 col-sm-1 col-xs-1 text-nowrap">
<strong>Phenotype<br />mapping key</strong>
</th>
<th class="col-lg-1 col-md-1 col-sm-1 col-xs-1 text-nowrap">
<strong>Phenotype<br />MIM number</strong>
</th>
<th class="col-lg-1 col-md-1 col-sm-1 col-xs-1 text-nowrap">
<strong>Gene/Locus</strong>
</th>
<th class="col-lg-1 col-md-1 col-sm-1 col-xs-1 text-nowrap">
<strong>Gene/Locus<br />MIM number</strong>
</th>
</tr>
</thead>
<tbody>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/X/53?start=-3&limit=10&highlight=53"> Xp22.2 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300114"> Raynaud-Claes syndrome </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="X-linked dominant">XLD</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/300114"> 300114 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/302910"> CLCN4 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/302910"> 302910 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/X/58?start=-3&limit=10&highlight=58"> Xp22.2 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/301032"> Basilicata-Akhtar syndrome </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="X-linked dominant">XLD</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/301032"> 301032 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300609"> MSL3 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300609"> 300609 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/X/73?start=-3&limit=10&highlight=73"> Xp22.2 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/301076"> Intellectual developmental disorder, X-linked syndromic, Pilorge type </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="X-linked">XL</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/301076"> 301076 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/305990"> GLRA2 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/305990"> 305990 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/X/87?start=-3&limit=10&highlight=87"> Xp22.2 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/304340"> Pettigrew syndrome </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="X-linked recessive">XLR</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/304340"> 304340 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300629"> AP1S2 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300629"> 300629 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/X/110?start=-3&limit=10&highlight=110"> Xp22.12 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/301008"> Intellectual developmental disorder, X-linked syndromic, Houge type </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="X-linked">XL</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/301008"> 301008 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300724"> CNKSR2 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300724"> 300724 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/X/114?start=-3&limit=10&highlight=114"> Xp22.11 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/309583"> Intellectual developmental disorder, X-linked syndromic, Snyder-Robinson type </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="X-linked recessive">XLR</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/309583"> 309583 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300105"> SMS </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300105"> 300105 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/X/124?start=-3&limit=10&highlight=124"> Xp22.11 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300148"> MEHMO syndrome </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="X-linked recessive">XLR</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/300148"> 300148 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300161"> EIF2S3 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300161"> 300161 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/X/125?start=-3&limit=10&highlight=125"> Xp22.11 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/301118"> Intellectual developmental disorder, X-linked syndromic 37 </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="X-linked">XL</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/301118"> 301118 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/314980"> ZFX </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/314980"> 314980 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/X/128?start=-3&limit=10&highlight=128"> Xp22.11-p21.3 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/301030"> Van Esch-O&#x27;Driscoll syndrome </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="X-linked recessive">XLR</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/301030"> 301030 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/312040"> POLA1 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/312040"> 312040 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/X/132?start=-3&limit=10&highlight=132"> Xp21.3 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/309510"> Partington syndrome </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="X-linked recessive">XLR</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/309510"> 309510 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300382"> ARX </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300382"> 300382 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/X/150?start=-3&limit=10&highlight=150"> Xp21.1-p11.23 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300858"> Intellectual developmental disorder, X-linked syndromic 17 </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="X-linked recessive">XLR</abbr>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="2 - The disorder was placed on the map by statistical methods"> 2 </abbr>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300858"> 300858 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300858"> MRXS17 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300858"> 300858 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/X/161?start=-3&limit=10&highlight=161"> Xp11 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/309545"> ?Intellectual developmental disorder, X-linked syndromic 12 </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="X-linked">XL</abbr>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="2 - The disorder was placed on the map by statistical methods"> 2 </abbr>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/309545"> 309545 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/309545"> MRXS12 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/309545"> 309545 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/X/173?start=-3&limit=10&highlight=173"> Xp11.4 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300423"> Intellectual developmental disorder, X-linked syndromic, Hedera type </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="X-linked recessive">XLR</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/300423"> 300423 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300556"> ATP6AP2 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300556"> 300556 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/X/178?start=-3&limit=10&highlight=178"> Xp11.4 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300958"> Intellectual developmental disorder, X-linked syndromic, Snijders Blok type </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="X-linked dominant">XLD</abbr>, <abbr class="mim-tip-hint" title="X-linked recessive">XLR</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/300958"> 300958 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300160"> DDX3X </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300160"> 300160 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/X/180?start=-3&limit=10&highlight=180"> Xp11.4 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300749"> Intellectual developmental disorder and microcephaly with pontine and cerebellar hypoplasia </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="X-linked">XL</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/300749"> 300749 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300172"> CASK </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300172"> 300172 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/X/185?start=-3&limit=10&highlight=185"> Xp11.3-q22 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300218"> Intellectual developmental disorder, X-linked syndromic 7 </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="X-linked">XL</abbr>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="2 - The disorder was placed on the map by statistical methods"> 2 </abbr>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300218"> 300218 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300218"> MRXS7 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300218"> 300218 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/X/231?start=-3&limit=10&highlight=231"> Xp11.2 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300434"> Intellectual developmental disorder, X-linked, syndromic, Stocco dos Santos type </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="X-linked">XL</abbr>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="2 - The disorder was placed on the map by statistical methods"> 2 </abbr>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300434"> 300434 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300434"> SDSX </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300434"> 300434 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/X/261?start=-3&limit=10&highlight=261"> Xp11.23 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/309500"> Renpenning syndrome </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="X-linked recessive">XLR</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/309500"> 309500 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300463"> PQBP1 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300463"> 300463 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/X/323?start=-3&limit=10&highlight=323"> Xp11.22 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300534"> Intellectual developmental disorder, X-linked syndromic, Claes-Jensen type </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="X-linked recessive">XLR</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/300534"> 300534 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/314690"> KDM5C </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/314690"> 314690 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/X/327?start=-3&limit=10&highlight=327"> Xp11.22 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/309590"> Intellectual developmental disorder, X-linked syndromic, Turner type </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="X-linked">XL</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/309590"> 309590 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300697"> HUWE1 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300697"> 300697 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/X/330?start=-3&limit=10&highlight=330"> Xp11.22 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300263"> Intellectual developmental disorder, X-linked syndromic, Siderius type </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="X-linked recessive">XLR</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/300263"> 300263 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300560"> PHF8 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300560"> 300560 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/X/332?start=-3&limit=10&highlight=332"> Xp11.22 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/309610"> Prieto syndrome </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="X-linked recessive">XLR</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/309610"> 309610 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300358"> WNK3 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300358"> 300358 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/X/334?start=-3&limit=10&highlight=334"> Xp11.22 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/305400"> Aarskog-Scott syndrome </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="X-linked recessive">XLR</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/305400"> 305400 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300546"> FGD1 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300546"> 300546 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/X/334?start=-3&limit=10&highlight=334"> Xp11.22 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/305400"> Intellectual developmental disorder, X-linked syndromic 16 </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="X-linked recessive">XLR</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/305400"> 305400 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300546"> FGD1 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300546"> 300546 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/X/368?start=-3&limit=10&highlight=368"> Xq11.2 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/314580"> Wieacker-Wolff syndrome </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="X-linked recessive">XLR</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/314580"> 314580 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300897"> ZC4H2 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300897"> 300897 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/X/370?start=-3&limit=10&highlight=370"> Xq12-q21.31 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300709"> Intellectual developmental disorder, X-linked syndromic 9 </a>
</span>
</td>
<td>
<span class="mim-font">
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="2 - The disorder was placed on the map by statistical methods"> 2 </abbr>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300709"> 300709 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300709"> MRXS9 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300709"> 300709 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/X/372?start=-3&limit=10&highlight=372"> Xq12 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/309585"> Wilson-Turner syndrome </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="X-linked recessive">XLR</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/309585"> 309585 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300964"> LAS1L </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300964"> 300964 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/X/379?start=-3&limit=10&highlight=379"> Xq12 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300486"> Intellectual developmental disorder, X-linked syndromic, Billuart type </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="X-linked recessive">XLR</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/300486"> 300486 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300127"> OPHN1 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300127"> 300127 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/X/382?start=-3&limit=10&highlight=382"> Xq13-q21 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300519"> Martin-Probst syndrome </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="X-linked recessive">XLR</abbr>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="2 - The disorder was placed on the map by statistical methods"> 2 </abbr>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300519"> 300519 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300519"> MRXSMP </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300519"> 300519 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/X/390?start=-3&limit=10&highlight=390"> Xq13.1 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300472"> ?Corpus callosum, agenesis of, with impaired intellectual development, ocular coloboma and micrognathia </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="X-linked recessive">XLR</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/300472"> 300472 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300139"> IGBP1 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300139"> 300139 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/X/404?start=-3&limit=10&highlight=404"> Xq13.1 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/309520"> Lujan-Fryns syndrome </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="X-linked recessive">XLR</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/309520"> 309520 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300188"> MED12 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300188"> 300188 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/X/408?start=-3&limit=10&highlight=408"> Xq13.1 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300967"> Intellectual developmental disorder, X-linked syndromic 34 </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="X-linked">XL</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/300967"> 300967 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300084"> NONO </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300084"> 300084 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/X/410?start=-3&limit=10&highlight=410"> Xq13.1 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300966"> Intellectual developmental disorder, X-linked syndromic 33 </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="X-linked recessive">XLR</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/300966"> 300966 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/313650"> TAF1 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/313650"> 313650 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/X/425?start=-3&limit=10&highlight=425"> Xq13.2 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300262"> Intellectual developmental disorder, X-linked syndromic, Abidi type </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="X-linked">XL</abbr>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="2 - The disorder was placed on the map by statistical methods"> 2 </abbr>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300262"> 300262 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300262"> MRXSAB </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300262"> 300262 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/X/435?start=-3&limit=10&highlight=435"> Xq13.2 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300978"> Tonne-Kalscheuer syndrome </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="X-linked">XL</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/300978"> 300978 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300379"> RLIM </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300379"> 300379 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/X/482?start=-3&limit=10&highlight=482"> Xq21.33-q23 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300861"> Intellectual developmental disorder, X-linked syndromic, Chudley-Schwartz type </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="X-linked recessive">XLR</abbr>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="2 - The disorder was placed on the map by statistical methods"> 2 </abbr>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300861"> 300861 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300861"> MRXSCS </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300861"> 300861 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/X/503?start=-3&limit=10&highlight=503"> Xq22.1 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300986"> Intellectual developmental disorder, X-linked syndromic, Bain type </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="X-linked dominant">XLD</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/300986"> 300986 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300610"> HNRNPH2 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300610"> 300610 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/X/552?start=-3&limit=10&highlight=552"> Xq22.3 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/301835"> Arts syndrome </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="X-linked recessive">XLR</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/301835"> 301835 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/311850"> PRPS1 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/311850"> 311850 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/X/612?start=-3&limit=10&highlight=612"> Xq24 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300860"> Intellectual developmental disorder, X-linked syndromic, Nascimento type </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="X-linked recessive">XLR</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/300860"> 300860 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/312180"> UBE2A </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/312180"> 312180 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/X/617?start=-3&limit=10&highlight=617"> Xq24 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300676"> Intellectual developmental disorder, X-linked syndromic 14 </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="X-linked recessive">XLR</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/300676"> 300676 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300298"> UPF3B </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300298"> 300298 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/X/621?start=-3&limit=10&highlight=621"> Xq24 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/301039"> Intellectual developmental disorder, X-linked syndromic, Hackman-Di Donato type </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="X-linked recessive">XLR</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/301039"> 301039 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300766"> NKAP </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300766"> 300766 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/X/628?start=-3&limit=10&highlight=628"> Xq24 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300354"> Intellectual developmental disorder, X-linked syndromic, Cabezas type </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="X-linked recessive">XLR</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/300354"> 300354 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300304"> CUL4B </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300304"> 300304 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/X/650?start=-3&limit=10&highlight=650"> Xq25 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300699"> Intellectual developmental disorder, X-linked syndromic, Wu type </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="X-linked recessive">XLR</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/300699"> 300699 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/305915"> GRIA3 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/305915"> 305915 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/X/671?start=-3&limit=10&highlight=671"> Xq26.1 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300799"> Intellectual developmental disorder, X-linked syndromic, Raymond type </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="X-linked">XL</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/300799"> 300799 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300646"> ZDHHC9 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300646"> 300646 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/X/687?start=-3&limit=10&highlight=687"> Xq26.2 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/301025"> ?Paganini-Miozzo syndrome </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="X-linked recessive">XLR</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>
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<span class="mim-font">
<a href="/entry/301025"> 301025 </a>
</span>
</td>
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<span class="mim-font">
<a href="/entry/300545"> HS6ST2 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300545"> 300545 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/X/696?start=-3&limit=10&highlight=696"> Xq26.2 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/301900"> Borjeson-Forssman-Lehmann syndrome </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="X-linked recessive">XLR</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/301900"> 301900 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300414"> PHF6 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300414"> 300414 </a>
</span>
</td>
</tr>
<tr>
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<span class="mim-font">
<a href="/geneMap/X/716?start=-3&limit=10&highlight=716"> Xq26.3 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300243"> Intellectual developmental disorder, X-linked syndromic, Christianson type </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="X-linked">XL</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/300243"> 300243 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300231"> SLC9A6 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300231"> 300231 </a>
</span>
</td>
</tr>
<tr>
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<span class="mim-font">
<a href="/geneMap/X/726?start=-3&limit=10&highlight=726"> Xq26.3 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300238"> ?Intellectual developmental disorder, X-linked syndromic, Shashi type </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="X-linked recessive">XLR</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/300238"> 300238 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300199"> RBMX </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300199"> 300199 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/X/726?start=-3&limit=10&highlight=726"> Xq26.3 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/309555"> ?Intellectual developmental disorder, X-linked syndromic, Gustavson type </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="X-linked recessive">XLR</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/309555"> 309555 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300199"> RBMX </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300199"> 300199 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/X/769?start=-3&limit=10&highlight=769"> Xq27.3 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300624"> Fragile X syndrome </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="X-linked dominant">XLD</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>
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<span class="mim-font">
<a href="/entry/300624"> 300624 </a>
</span>
</td>
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<span class="mim-font">
<a href="/entry/309550"> FMR1 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/309550"> 309550 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/X/782?start=-3&limit=10&highlight=782"> Xq28 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/309548"> Intellectual developmental disorder, X-linked 109 </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="X-linked recessive">XLR</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>
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<span class="mim-font">
<a href="/entry/309548"> 309548 </a>
</span>
</td>
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<span class="mim-font">
<a href="/entry/300806"> AFF2 </a>
</span>
</td>
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<span class="mim-font">
<a href="/entry/300806"> 300806 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/X/851?start=-3&limit=10&highlight=851"> Xq28 </a>
</span>
</td>
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<span class="mim-font">
<a href="/entry/300260"> Intellectual developmental disorder, X-linked syndromic, Lubs type </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="X-linked recessive">XLR</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>
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<span class="mim-font">
<a href="/entry/300260"> 300260 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300005"> MECP2 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300005"> 300005 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/X/851?start=-3&limit=10&highlight=851"> Xq28 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300055"> Intellectual developmental disorder, X-linked syndromic 13 </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="X-linked recessive">XLR</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/300055"> 300055 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300005"> MECP2 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300005"> 300005 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/X/859?start=-3&limit=10&highlight=859"> Xq28 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300998"> Intellectual developmental disorder, X-linked syndromic 35 </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="X-linked recessive">XLR</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>
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<span class="mim-font">
<a href="/entry/300998"> 300998 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/312173"> RPL10 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/312173"> 312173 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/X/864?start=-3&limit=10&highlight=864"> Xq28 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300261"> Intellectual developmental disorder, X-linked syndromic, Armfield type </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="X-linked recessive">XLR</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/300261"> 300261 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300453"> FAM50A </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300453"> 300453 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/X/898?start=-3&limit=10&highlight=898"> Chr.X </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300886"> Intellectual developmental disorder, X-linked, syndromic 32 </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="X-linked recessive">XLR</abbr>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="2 - The disorder was placed on the map by statistical methods"> 2 </abbr>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300886"> 300886 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300886"> MRXS32 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300886"> 300886 </a>
</span>
</td>
</tr>
</tbody>
</table>
</div>
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<a href="#mimPhenotypicSeriesFold" data-toggle="collapse">&#9650;&nbsp;Close</a>
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<div>
<br />
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<div>
<a id="text" class="mim-anchor"></a>
<h4 href="#mimTextFold" id="mimTextToggle" class="mimTriangleToggle" style="cursor: pointer;" data-toggle="collapse">
<span id="mimTextToggleTriangle" class="small mimTextToggleTriangle">&#9660;</span>
<span class="mim-font">
<span class="mim-tip-floating" qtip_title="<strong>Looking For More References?</strong>" qtip_text="Click the 'reference plus' icon &lt;span class='glyphicon glyphicon-plus-sign'&gt;&lt;/span&gt at the end of each OMIM text paragraph to see more references related to the content of the preceding paragraph.">
<strong>TEXT</strong>
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<p>A number sign (#) is used with this entry because the Snyder-Robinson type of X-linked syndromic intellectual developmental disorder (MRXSSR) is caused by mutation in the spermine synthase gene (SMS; <a href="/entry/300105">300105</a>) on chromosome Xp22.</p>
</span>
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</div>
</div>
<div>
<a id="description" class="mim-anchor"></a>
<h4 href="#mimDescriptionFold" id="mimDescriptionToggle" class="mimTriangleToggle" style="cursor: pointer;" data-toggle="collapse">
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<strong>Description</strong>
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<p>Snyder-Robinson X-linked syndromic intellectual developmental disorder (MRXSSR) is an X-linked intellectual disability syndrome with characteristic features including facial asymmetry, marfanoid habitus, unsteady gait, thickened lower lip, nasal dysarthric speech, narrow or cleft palate, diminished muscle mass, osteoporosis, kyphoscoliosis, long great toes, short stature, pectus carinatum, and myopia (summary by <a href="#9" class="mim-tip-reference" title="Zhang, Z., Norris, J., Kalscheuer, V., Wood, T., Wang, L., Schwartz, C., Alexov, E., Van Esch, H. &lt;strong&gt;A Y328C missense mutation in spermine synthase causes a mild form of Snyder-Robinson syndrome.&lt;/strong&gt; Hum. Molec. Genet. 22: 3789-3797, 2013.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/23696453/&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;23696453&lt;/a&gt;, &lt;a href=&quot;https://www.ncbi.nlm.nih.gov/pmc/?term=23696453[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/10.1093/hmg/ddt229&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="23696453">Zhang et al., 2013</a>). <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=23696453" 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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<br />
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</div>
<div>
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<h4 href="#mimClinicalFeaturesFold" id="mimClinicalFeaturesToggle" class="mimTriangleToggle" style="cursor: pointer;" data-toggle="collapse">
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<strong>Clinical Features</strong>
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</h4>
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<p><a href="#8" class="mim-tip-reference" title="Snyder, R. D., Robinson, A. &lt;strong&gt;Recessive sex-linked mental retardation in the absence of other recognizable abnormalities: report of a family.&lt;/strong&gt; Clin. Pediat. 8: 669-674, 1969.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/5823961/&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;5823961&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1177/000992286900801114&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="5823961">Snyder and Robinson (1969)</a> reported a family in which affected males had a form of nonspecific X-linked mental retardation with hypotonia and unsteady gait. Eleven males in 4 generations were affected. Arena et al. (<a href="#1" class="mim-tip-reference" title="Arena, J. F., Schwartz, C., McClurkin, C., Miller, M., Stevenson, R., Garza, J., Nance, M., Lubs, H. A. &lt;strong&gt;Gene localization and clinical redefinition of the Snyder-Robinson syndrome. (Abstract)&lt;/strong&gt; Am. J. Hum. Genet. 51 (suppl.): A181 only, 1992."None>1992</a>, <a href="#2" class="mim-tip-reference" title="Arena, J. F., Schwartz, C., Ouzts, L., Stevenson, R., Miller, M., Garza, J., Nance, M., Lubs, H. &lt;strong&gt;X-linked mental retardation with thin habitus, osteoporosis, and kyphoscoliosis: linkage to Xp21.3-p22.12.&lt;/strong&gt; Am. J. Med. Genet. 64: 50-58, 1996.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/8826448/&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;8826448&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1002/(SICI)1096-8628(19960712)64:1&lt;50::AID-AJMG7&gt;3.0.CO;2-V&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="8826448">1996</a>) reevaluated the family, defining the disorder as a specific syndrome with the following features: mild to moderate mental retardation; asthenic body build (marfanoid habitus); diminished muscle bulk; osteoporosis; kyphoscoliosis; long, thin face; slight facial asymmetry with a prominent lower lip; nasal voice; high, narrow, or cleft palate; and long, thin fingers and toes. Carrier females were clinically normal. <a href="#2" class="mim-tip-reference" title="Arena, J. F., Schwartz, C., Ouzts, L., Stevenson, R., Miller, M., Garza, J., Nance, M., Lubs, H. &lt;strong&gt;X-linked mental retardation with thin habitus, osteoporosis, and kyphoscoliosis: linkage to Xp21.3-p22.12.&lt;/strong&gt; Am. J. Med. Genet. 64: 50-58, 1996.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/8826448/&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;8826448&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1002/(SICI)1096-8628(19960712)64:1&lt;50::AID-AJMG7&gt;3.0.CO;2-V&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="8826448">Arena et al. (1996)</a> redefined the entity as an X-linked mental retardation syndrome. In a follow-up of the same family, <a href="#4" class="mim-tip-reference" title="Cason, A. L., Ikeguchi, Y., Skinner, C., Wood, T. C., Holden, K. R., Lubs, H. A., Martinez, F., Simensen, R. J., Stevenson, R. E., Pegg, A. E., Schwartz, C. E. &lt;strong&gt;X-linked spermine synthase gene (SMS) defect: the first polyamine deficiency syndrome.&lt;/strong&gt; Europ. J. Hum. Genet. 11: 937-944, 2003.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/14508504/&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;14508504&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1038/sj.ejhg.5201072&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="14508504">Cason et al. (2003)</a> reported that some affected males had an unsteady gait, nonspecific movement disorder, and seizures. Two of 4 affected males had an abnormal EEG. <a href="https://pubmed.ncbi.nlm.nih.gov/?term=8826448+14508504+5823961" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})"><span class="glyphicon glyphicon-plus-sign mim-tip-hint" title="Click this 'reference-plus' icon to see articles related to this paragraph in PubMed."></span></a></p><p><a href="#5" class="mim-tip-reference" title="de Alencastro, G., McCloskey, D. E., Kliemann, S. E., Maranduba, C. M. C., Pegg, A. E., Wang, X., Bertola, D. A., Schwartz, C. E., Passos-Bueno, M. R., Sertie, A. L. &lt;strong&gt;New SMS mutation leads to a striking reduction in spermine synthase protein function and a severe form of Snyder-Robinson X-linked recessive mental retardation syndrome. (Letter)&lt;/strong&gt; J. Med. Genet. 45: 539-543, 2008.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/18550699/&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;18550699&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1136/jmg.2007.056713&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="18550699">De Alencastro et al. (2008)</a> reported a second family with genetically- confirmed Snyder-Robinson syndrome (<a href="/entry/300105#0002">300105.0002</a>). At age 12 years, the proband had profound mental retardation, seizures, no speech development, and was unable to stand alone or walk. He had short stature and mild facial dysmorphism, with mild hypertelorism, exophthalmia, short philtrum, thickened lower lip, slight high-arched palate, mandibular prognathism, and ears with prominent antihelices and hypoplastic lobules. Other features included high myopia, pectus carinatum, cryptorchidism, severe kyphoscoliosis, camptodactyly without arachnodactyly, and muscular hypotonia. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=18550699" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})"><span class="glyphicon glyphicon-plus-sign mim-tip-hint" title="Click this 'reference-plus' icon to see articles related to this paragraph in PubMed."></span></a></p><p><a href="#6" class="mim-tip-reference" title="Kesler, S. R., Schwartz, C., Stevenson, R. E., Reiss, A. L. &lt;strong&gt;The impact of spermine synthase (SMS) mutations on brain morphology&lt;/strong&gt; Neurogenetics 10: 299-305, 2009.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/19277733/&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;19277733&lt;/a&gt;, &lt;a href=&quot;https://www.ncbi.nlm.nih.gov/pmc/?term=19277733[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/10.1007/s10048-009-0184-2&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="19277733">Kesler et al. (2009)</a> performed brain MRI studies on 2 affected males with Snyder-Robinson syndrome reported by <a href="#4" class="mim-tip-reference" title="Cason, A. L., Ikeguchi, Y., Skinner, C., Wood, T. C., Holden, K. R., Lubs, H. A., Martinez, F., Simensen, R. J., Stevenson, R. E., Pegg, A. E., Schwartz, C. E. &lt;strong&gt;X-linked spermine synthase gene (SMS) defect: the first polyamine deficiency syndrome.&lt;/strong&gt; Europ. J. Hum. Genet. 11: 937-944, 2003.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/14508504/&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;14508504&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1038/sj.ejhg.5201072&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="14508504">Cason et al. (2003)</a>, at ages 13 and 39 years, respectively. IQ measurements were 36 and 54, respectively. Both had dysmorphic facial features; the younger patient had myoclonic seizures. Total brain volumes of both patients were somewhat enlarged and affected gray, white, and CSF volumes equally. The younger patient had disproportionately decreased cerebellar volume, and both had disproportionately decreased hippocampal and red nucleus volumes. <a href="#6" class="mim-tip-reference" title="Kesler, S. R., Schwartz, C., Stevenson, R. E., Reiss, A. L. &lt;strong&gt;The impact of spermine synthase (SMS) mutations on brain morphology&lt;/strong&gt; Neurogenetics 10: 299-305, 2009.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/19277733/&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;19277733&lt;/a&gt;, &lt;a href=&quot;https://www.ncbi.nlm.nih.gov/pmc/?term=19277733[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/10.1007/s10048-009-0184-2&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="19277733">Kesler et al. (2009)</a> postulated that spermine deficiency may result in an imbalance between cell growth and pruning mechanisms during neurodevelopment. <a href="https://pubmed.ncbi.nlm.nih.gov/?term=19277733+14508504" 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="Becerra-Solano, L. E., Butler, J., Castaneda-Cisneros, G., McCloskey, D. E., Wang, X., Pegg, A. E., Schwartz, C. E., Sanchez-Corona, J., Garcia-Ortiz, J. E. &lt;strong&gt;A missense mutation, p.V132G, in the X-linked spermine synthase gene (SMS) causes Snyder-Robinson syndrome.&lt;/strong&gt; Am. J. Med. Genet. 149A: 328-335, 2009.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/19206178/&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;19206178&lt;/a&gt;, &lt;a href=&quot;https://www.ncbi.nlm.nih.gov/pmc/?term=19206178[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/10.1002/ajmg.a.32641&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="19206178">Becerra-Solano et al. (2009)</a> reported 2 adult Mexican brothers with Snyder-Robinson syndrome. Clinical features included mental retardation, multiple childhood fractures associated with decreased bone density, thin body habitus with poor muscle bulk and long thin limbs, pectus excavatum with widely-spaced nipples, and kyphoscoliosis. Dysmorphic facial features included brachycephaly, asymmetric facies, slanted upper palpebral fissures, sparse eyebrows, synophrys, right palpebral ptosis, high nasal bridge, bulbous nasal tip, anteverted nares, smooth philtrum, prominent lower lip, high palate, overcrowded teeth, asymmetric ears, and short webbed neck. Both also had areas of patchy skin hyperpigmentation. Family history was notable for a spontaneous abortion in the mother during the first trimester. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=19206178" 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="Zhang, Z., Norris, J., Kalscheuer, V., Wood, T., Wang, L., Schwartz, C., Alexov, E., Van Esch, H. &lt;strong&gt;A Y328C missense mutation in spermine synthase causes a mild form of Snyder-Robinson syndrome.&lt;/strong&gt; Hum. Molec. Genet. 22: 3789-3797, 2013.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/23696453/&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;23696453&lt;/a&gt;, &lt;a href=&quot;https://www.ncbi.nlm.nih.gov/pmc/?term=23696453[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/10.1093/hmg/ddt229&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="23696453">Zhang et al. (2013)</a> reported a family in which 4 males in 3 generations had Snyder-Robinson syndrome. The proband was reported in detail: he had delayed psychomotor development, delayed language, IQ of 74, thin build, low-set ears, small mouth, kyphoscoliosis, and long fingers and toes. He did not have facial asymmetry, or abnormal gait or other neurologic symptoms. He had good social interaction and attended a special school. His maternal uncle also went to a special school and worked in a sheltered environment. <a href="#9" class="mim-tip-reference" title="Zhang, Z., Norris, J., Kalscheuer, V., Wood, T., Wang, L., Schwartz, C., Alexov, E., Van Esch, H. &lt;strong&gt;A Y328C missense mutation in spermine synthase causes a mild form of Snyder-Robinson syndrome.&lt;/strong&gt; Hum. Molec. Genet. 22: 3789-3797, 2013.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/23696453/&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;23696453&lt;/a&gt;, &lt;a href=&quot;https://www.ncbi.nlm.nih.gov/pmc/?term=23696453[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/10.1093/hmg/ddt229&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="23696453">Zhang et al. (2013)</a> noted that the phenotype in these patients was relatively mild compared to that reported in other patients with this disorder. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=23696453" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})"><span class="glyphicon glyphicon-plus-sign mim-tip-hint" title="Click this 'reference-plus' icon to see articles related to this paragraph in PubMed."></span></a></p><p><a href="#7" class="mim-tip-reference" title="Peron, A., Spaccini, L., Norris, J., Bova, S. M., Selicorni, A., Weber, G., Wood, T., Schwartz, C. E., Mastrangelo, M. &lt;strong&gt;Snyder-Robinson syndrome: a novel missense mutation in spermine synthase and expansion of the phenotype.&lt;/strong&gt; Am. J. Med. Genet. 161A: 2316-2320, 2013. Note: Erratum: Am. J. Med. Genet. 164A: 1083 only, 2014.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/23897707/&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;23897707&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1002/ajmg.a.36116&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="23897707">Peron et al. (2013)</a> reported a boy from Italy with Snyder-Robinson syndrome characterized by a thin habitus with decreased muscle mass, unsteady gait, osteoporosis, kyphoscoliosis, dysmorphic facial features, cognitive impairment, and nasal speech. In addition to features typically seen in Snyder-Robinson syndrome, the patient also had an ectopic right kidney and early onset of epilepsy. Seizure activity was first observed in the first year of life and he was diagnosed with atypical West syndrome; at age 6 years, he developed myoclonus and focal motor seizures. The finding of a mutation in the SMS gene (see MOLECULAR GENETICS) confirmed the diagnosis of MRXSSR. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=23897707" 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>By linkage analysis of 17 members of an affected family, <a href="#2" class="mim-tip-reference" title="Arena, J. F., Schwartz, C., Ouzts, L., Stevenson, R., Miller, M., Garza, J., Nance, M., Lubs, H. &lt;strong&gt;X-linked mental retardation with thin habitus, osteoporosis, and kyphoscoliosis: linkage to Xp21.3-p22.12.&lt;/strong&gt; Am. J. Med. Genet. 64: 50-58, 1996.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/8826448/&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;8826448&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1002/(SICI)1096-8628(19960712)64:1&lt;50::AID-AJMG7&gt;3.0.CO;2-V&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="8826448">Arena et al. (1996)</a> found a maximum lod score of 4.7 at markers DXS41 and DXS989 on Xp21.3-p22.12, distal to the 3-prime end of the DMD gene (<a href="/entry/300377">300377</a>). <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=8826448" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})"><span class="glyphicon glyphicon-plus-sign mim-tip-hint" title="Click this 'reference-plus' icon to see articles related to this paragraph in PubMed."></span></a></p>
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<p>In affected members of the family originally reported by <a href="#8" class="mim-tip-reference" title="Snyder, R. D., Robinson, A. &lt;strong&gt;Recessive sex-linked mental retardation in the absence of other recognizable abnormalities: report of a family.&lt;/strong&gt; Clin. Pediat. 8: 669-674, 1969.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/5823961/&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;5823961&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1177/000992286900801114&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="5823961">Snyder and Robinson (1969)</a>, <a href="#4" class="mim-tip-reference" title="Cason, A. L., Ikeguchi, Y., Skinner, C., Wood, T. C., Holden, K. R., Lubs, H. A., Martinez, F., Simensen, R. J., Stevenson, R. E., Pegg, A. E., Schwartz, C. E. &lt;strong&gt;X-linked spermine synthase gene (SMS) defect: the first polyamine deficiency syndrome.&lt;/strong&gt; Europ. J. Hum. Genet. 11: 937-944, 2003.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/14508504/&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;14508504&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1038/sj.ejhg.5201072&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="14508504">Cason et al. (2003)</a> identified a mutation in the SMS gene (<a href="/entry/300105#0001">300105.0001</a>). <a href="https://pubmed.ncbi.nlm.nih.gov/?term=14508504+5823961" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})"><span class="glyphicon glyphicon-plus-sign mim-tip-hint" title="Click this 'reference-plus' icon to see articles related to this paragraph in PubMed."></span></a></p><p>In 2 Mexican brothers with Snyder-Robinson syndrome, <a href="#3" class="mim-tip-reference" title="Becerra-Solano, L. E., Butler, J., Castaneda-Cisneros, G., McCloskey, D. E., Wang, X., Pegg, A. E., Schwartz, C. E., Sanchez-Corona, J., Garcia-Ortiz, J. E. &lt;strong&gt;A missense mutation, p.V132G, in the X-linked spermine synthase gene (SMS) causes Snyder-Robinson syndrome.&lt;/strong&gt; Am. J. Med. Genet. 149A: 328-335, 2009.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/19206178/&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;19206178&lt;/a&gt;, &lt;a href=&quot;https://www.ncbi.nlm.nih.gov/pmc/?term=19206178[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/10.1002/ajmg.a.32641&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="19206178">Becerra-Solano et al. (2009)</a> identified a mutation in the SMS gene (V132G; <a href="/entry/300105#0003">300105.0003</a>). <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=19206178" 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="Zhang, Z., Norris, J., Kalscheuer, V., Wood, T., Wang, L., Schwartz, C., Alexov, E., Van Esch, H. &lt;strong&gt;A Y328C missense mutation in spermine synthase causes a mild form of Snyder-Robinson syndrome.&lt;/strong&gt; Hum. Molec. Genet. 22: 3789-3797, 2013.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/23696453/&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;23696453&lt;/a&gt;, &lt;a href=&quot;https://www.ncbi.nlm.nih.gov/pmc/?term=23696453[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/10.1093/hmg/ddt229&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="23696453">Zhang et al. (2013)</a> reported a patient and his uncle with a mild form of Snyder-Robinson syndrome who carried a missense mutation in the SMS gene (Y328C; <a href="/entry/300105#0004">300105.0004</a>). <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=23696453" 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 boy from Italy with Snyder-Robinson syndrome who had originally been diagnosed with West syndrome, <a href="#7" class="mim-tip-reference" title="Peron, A., Spaccini, L., Norris, J., Bova, S. M., Selicorni, A., Weber, G., Wood, T., Schwartz, C. E., Mastrangelo, M. &lt;strong&gt;Snyder-Robinson syndrome: a novel missense mutation in spermine synthase and expansion of the phenotype.&lt;/strong&gt; Am. J. Med. Genet. 161A: 2316-2320, 2013. Note: Erratum: Am. J. Med. Genet. 164A: 1083 only, 2014.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/23897707/&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;23897707&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1002/ajmg.a.36116&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="23897707">Peron et al. (2013)</a> identified a missense mutation in the SMS gene (<a href="/entry/300105#0005">300105.0005</a>). In the patient's lymphoblastoid cells, no spermine synthase activity above baseline was detected, and the spermine/spermidine ratio was abnormal, consistent with Snyder-Robinson syndrome. The patient's mother was heterozygous for the mutation, and X-inactivation analysis showed mild skewing. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=23897707" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})"><span class="glyphicon glyphicon-plus-sign mim-tip-hint" title="Click this 'reference-plus' icon to see articles related to this paragraph in PubMed."></span></a></p>
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<strong>REFERENCES</strong>
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<a id="Arena1992" class="mim-anchor"></a>
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Arena, J. F., Schwartz, C., McClurkin, C., Miller, M., Stevenson, R., Garza, J., Nance, M., Lubs, H. A.
<strong>Gene localization and clinical redefinition of the Snyder-Robinson syndrome. (Abstract)</strong>
Am. J. Hum. Genet. 51 (suppl.): A181 only, 1992.
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<a id="2" class="mim-anchor"></a>
<a id="Arena1996" class="mim-anchor"></a>
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<p class="mim-text-font">
Arena, J. F., Schwartz, C., Ouzts, L., Stevenson, R., Miller, M., Garza, J., Nance, M., Lubs, H.
<strong>X-linked mental retardation with thin habitus, osteoporosis, and kyphoscoliosis: linkage to Xp21.3-p22.12.</strong>
Am. J. Med. Genet. 64: 50-58, 1996.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/8826448/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">8826448</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=8826448" 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/(SICI)1096-8628(19960712)64:1&lt;50::AID-AJMG7&gt;3.0.CO;2-V" target="_blank">Full Text</a>]
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<a id="3" class="mim-anchor"></a>
<a id="Becerra-Solano2009" class="mim-anchor"></a>
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Becerra-Solano, L. E., Butler, J., Castaneda-Cisneros, G., McCloskey, D. E., Wang, X., Pegg, A. E., Schwartz, C. E., Sanchez-Corona, J., Garcia-Ortiz, J. E.
<strong>A missense mutation, p.V132G, in the X-linked spermine synthase gene (SMS) causes Snyder-Robinson syndrome.</strong>
Am. J. Med. Genet. 149A: 328-335, 2009.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/19206178/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">19206178</a>, <a href="https://www.ncbi.nlm.nih.gov/pmc/?term=19206178[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=19206178" 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.32641" target="_blank">Full Text</a>]
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<a id="Cason2003" class="mim-anchor"></a>
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Cason, A. L., Ikeguchi, Y., Skinner, C., Wood, T. C., Holden, K. R., Lubs, H. A., Martinez, F., Simensen, R. J., Stevenson, R. E., Pegg, A. E., Schwartz, C. E.
<strong>X-linked spermine synthase gene (SMS) defect: the first polyamine deficiency syndrome.</strong>
Europ. J. Hum. Genet. 11: 937-944, 2003.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/14508504/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">14508504</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=14508504" 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.5201072" target="_blank">Full Text</a>]
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<a id="de Alencastro2008" class="mim-anchor"></a>
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<p class="mim-text-font">
de Alencastro, G., McCloskey, D. E., Kliemann, S. E., Maranduba, C. M. C., Pegg, A. E., Wang, X., Bertola, D. A., Schwartz, C. E., Passos-Bueno, M. R., Sertie, A. L.
<strong>New SMS mutation leads to a striking reduction in spermine synthase protein function and a severe form of Snyder-Robinson X-linked recessive mental retardation syndrome. (Letter)</strong>
J. Med. Genet. 45: 539-543, 2008.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/18550699/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">18550699</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=18550699" 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.2007.056713" target="_blank">Full Text</a>]
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<a id="Kesler2009" class="mim-anchor"></a>
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<p class="mim-text-font">
Kesler, S. R., Schwartz, C., Stevenson, R. E., Reiss, A. L.
<strong>The impact of spermine synthase (SMS) mutations on brain morphology</strong>
Neurogenetics 10: 299-305, 2009.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/19277733/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">19277733</a>, <a href="https://www.ncbi.nlm.nih.gov/pmc/?term=19277733[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=19277733" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">related citations</a>]
[<a href="https://doi.org/10.1007/s10048-009-0184-2" target="_blank">Full Text</a>]
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<a id="Peron2013" class="mim-anchor"></a>
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<p class="mim-text-font">
Peron, A., Spaccini, L., Norris, J., Bova, S. M., Selicorni, A., Weber, G., Wood, T., Schwartz, C. E., Mastrangelo, M.
<strong>Snyder-Robinson syndrome: a novel missense mutation in spermine synthase and expansion of the phenotype.</strong>
Am. J. Med. Genet. 161A: 2316-2320, 2013. Note: Erratum: Am. J. Med. Genet. 164A: 1083 only, 2014.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/23897707/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">23897707</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=23897707" 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.36116" target="_blank">Full Text</a>]
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<a id="8" class="mim-anchor"></a>
<a id="Snyder1969" class="mim-anchor"></a>
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<p class="mim-text-font">
Snyder, R. D., Robinson, A.
<strong>Recessive sex-linked mental retardation in the absence of other recognizable abnormalities: report of a family.</strong>
Clin. Pediat. 8: 669-674, 1969.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/5823961/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">5823961</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=5823961" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">related citations</a>]
[<a href="https://doi.org/10.1177/000992286900801114" target="_blank">Full Text</a>]
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<a id="Zhang2013" class="mim-anchor"></a>
<div class="">
<p class="mim-text-font">
Zhang, Z., Norris, J., Kalscheuer, V., Wood, T., Wang, L., Schwartz, C., Alexov, E., Van Esch, H.
<strong>A Y328C missense mutation in spermine synthase causes a mild form of Snyder-Robinson syndrome.</strong>
Hum. Molec. Genet. 22: 3789-3797, 2013.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/23696453/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">23696453</a>, <a href="https://www.ncbi.nlm.nih.gov/pmc/?term=23696453[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=23696453" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">related citations</a>]
[<a href="https://doi.org/10.1093/hmg/ddt229" target="_blank">Full Text</a>]
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<span class="mim-text-font">
Sonja A. Rasmussen - updated : 1/14/2014
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Cassandra L. Kniffin - updated : 11/13/2013<br>Cassandra L. Kniffin - updated : 2/16/2010<br>Cassandra L. Kniffin - updated : 12/10/2009<br>Cassandra L. Kniffin - updated : 2/9/2009<br>Cassandra L. Kniffin - updated : 5/7/2004
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Victor A. McKusick : 11/17/1992
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alopez : 08/20/2021
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carol : 01/29/2015<br>carol : 1/14/2014<br>alopez : 11/15/2013<br>ckniffin : 11/13/2013<br>carol : 7/20/2011<br>wwang : 2/18/2010<br>ckniffin : 2/16/2010<br>wwang : 12/28/2009<br>ckniffin : 12/10/2009<br>wwang : 4/2/2009<br>ckniffin : 2/9/2009<br>tkritzer : 5/11/2004<br>tkritzer : 5/11/2004<br>ckniffin : 5/7/2004<br>mgross : 3/17/2004<br>carol : 3/13/2002<br>mimadm : 2/28/1994<br>carol : 1/20/1993<br>carol : 11/20/1992<br>carol : 11/17/1992
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<strong>#</strong> 309583
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INTELLECTUAL DEVELOPMENTAL DISORDER, X-LINKED, SYNDROMIC, SNYDER-ROBINSON TYPE; MRXSSR
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<em>Alternative titles; symbols</em>
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MENTAL RETARDATION, X-LINKED, SYNDROMIC, SNYDER-ROBINSON TYPE<br />
SNYDER-ROBINSON MENTAL RETARDATION SYNDROME; SRS
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<strong>SNOMEDCT:</strong> 702416008; &nbsp;
<strong>ORPHA:</strong> 3063; &nbsp;
<strong>DO:</strong> 0060802; &nbsp;
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<strong>Phenotype-Gene Relationships</strong>
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Location
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Phenotype
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Phenotype <br /> MIM number
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Inheritance
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Phenotype <br /> mapping key
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Gene/Locus
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Xp22.11
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Intellectual developmental disorder, X-linked syndromic, Snyder-Robinson type
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309583
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X-linked recessive
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3
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SMS
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300105
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<strong>TEXT</strong>
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<p>A number sign (#) is used with this entry because the Snyder-Robinson type of X-linked syndromic intellectual developmental disorder (MRXSSR) is caused by mutation in the spermine synthase gene (SMS; 300105) on chromosome Xp22.</p>
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<strong>Description</strong>
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<p>Snyder-Robinson X-linked syndromic intellectual developmental disorder (MRXSSR) is an X-linked intellectual disability syndrome with characteristic features including facial asymmetry, marfanoid habitus, unsteady gait, thickened lower lip, nasal dysarthric speech, narrow or cleft palate, diminished muscle mass, osteoporosis, kyphoscoliosis, long great toes, short stature, pectus carinatum, and myopia (summary by Zhang et al., 2013). </p>
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<strong>Clinical Features</strong>
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<p>Snyder and Robinson (1969) reported a family in which affected males had a form of nonspecific X-linked mental retardation with hypotonia and unsteady gait. Eleven males in 4 generations were affected. Arena et al. (1992, 1996) reevaluated the family, defining the disorder as a specific syndrome with the following features: mild to moderate mental retardation; asthenic body build (marfanoid habitus); diminished muscle bulk; osteoporosis; kyphoscoliosis; long, thin face; slight facial asymmetry with a prominent lower lip; nasal voice; high, narrow, or cleft palate; and long, thin fingers and toes. Carrier females were clinically normal. Arena et al. (1996) redefined the entity as an X-linked mental retardation syndrome. In a follow-up of the same family, Cason et al. (2003) reported that some affected males had an unsteady gait, nonspecific movement disorder, and seizures. Two of 4 affected males had an abnormal EEG. </p><p>De Alencastro et al. (2008) reported a second family with genetically- confirmed Snyder-Robinson syndrome (300105.0002). At age 12 years, the proband had profound mental retardation, seizures, no speech development, and was unable to stand alone or walk. He had short stature and mild facial dysmorphism, with mild hypertelorism, exophthalmia, short philtrum, thickened lower lip, slight high-arched palate, mandibular prognathism, and ears with prominent antihelices and hypoplastic lobules. Other features included high myopia, pectus carinatum, cryptorchidism, severe kyphoscoliosis, camptodactyly without arachnodactyly, and muscular hypotonia. </p><p>Kesler et al. (2009) performed brain MRI studies on 2 affected males with Snyder-Robinson syndrome reported by Cason et al. (2003), at ages 13 and 39 years, respectively. IQ measurements were 36 and 54, respectively. Both had dysmorphic facial features; the younger patient had myoclonic seizures. Total brain volumes of both patients were somewhat enlarged and affected gray, white, and CSF volumes equally. The younger patient had disproportionately decreased cerebellar volume, and both had disproportionately decreased hippocampal and red nucleus volumes. Kesler et al. (2009) postulated that spermine deficiency may result in an imbalance between cell growth and pruning mechanisms during neurodevelopment. </p><p>Becerra-Solano et al. (2009) reported 2 adult Mexican brothers with Snyder-Robinson syndrome. Clinical features included mental retardation, multiple childhood fractures associated with decreased bone density, thin body habitus with poor muscle bulk and long thin limbs, pectus excavatum with widely-spaced nipples, and kyphoscoliosis. Dysmorphic facial features included brachycephaly, asymmetric facies, slanted upper palpebral fissures, sparse eyebrows, synophrys, right palpebral ptosis, high nasal bridge, bulbous nasal tip, anteverted nares, smooth philtrum, prominent lower lip, high palate, overcrowded teeth, asymmetric ears, and short webbed neck. Both also had areas of patchy skin hyperpigmentation. Family history was notable for a spontaneous abortion in the mother during the first trimester. </p><p>Zhang et al. (2013) reported a family in which 4 males in 3 generations had Snyder-Robinson syndrome. The proband was reported in detail: he had delayed psychomotor development, delayed language, IQ of 74, thin build, low-set ears, small mouth, kyphoscoliosis, and long fingers and toes. He did not have facial asymmetry, or abnormal gait or other neurologic symptoms. He had good social interaction and attended a special school. His maternal uncle also went to a special school and worked in a sheltered environment. Zhang et al. (2013) noted that the phenotype in these patients was relatively mild compared to that reported in other patients with this disorder. </p><p>Peron et al. (2013) reported a boy from Italy with Snyder-Robinson syndrome characterized by a thin habitus with decreased muscle mass, unsteady gait, osteoporosis, kyphoscoliosis, dysmorphic facial features, cognitive impairment, and nasal speech. In addition to features typically seen in Snyder-Robinson syndrome, the patient also had an ectopic right kidney and early onset of epilepsy. Seizure activity was first observed in the first year of life and he was diagnosed with atypical West syndrome; at age 6 years, he developed myoclonus and focal motor seizures. The finding of a mutation in the SMS gene (see MOLECULAR GENETICS) confirmed the diagnosis of MRXSSR. </p>
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<span class="mim-font">
<strong>Mapping</strong>
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<p>By linkage analysis of 17 members of an affected family, Arena et al. (1996) found a maximum lod score of 4.7 at markers DXS41 and DXS989 on Xp21.3-p22.12, distal to the 3-prime end of the DMD gene (300377). </p>
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<span class="mim-font">
<strong>Molecular Genetics</strong>
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<p>In affected members of the family originally reported by Snyder and Robinson (1969), Cason et al. (2003) identified a mutation in the SMS gene (300105.0001). </p><p>In 2 Mexican brothers with Snyder-Robinson syndrome, Becerra-Solano et al. (2009) identified a mutation in the SMS gene (V132G; 300105.0003). </p><p>Zhang et al. (2013) reported a patient and his uncle with a mild form of Snyder-Robinson syndrome who carried a missense mutation in the SMS gene (Y328C; 300105.0004). </p><p>In a boy from Italy with Snyder-Robinson syndrome who had originally been diagnosed with West syndrome, Peron et al. (2013) identified a missense mutation in the SMS gene (300105.0005). In the patient's lymphoblastoid cells, no spermine synthase activity above baseline was detected, and the spermine/spermidine ratio was abnormal, consistent with Snyder-Robinson syndrome. The patient's mother was heterozygous for the mutation, and X-inactivation analysis showed mild skewing. </p>
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<strong>REFERENCES</strong>
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<ol>
<li>
<p class="mim-text-font">
Arena, J. F., Schwartz, C., McClurkin, C., Miller, M., Stevenson, R., Garza, J., Nance, M., Lubs, H. A.
<strong>Gene localization and clinical redefinition of the Snyder-Robinson syndrome. (Abstract)</strong>
Am. J. Hum. Genet. 51 (suppl.): A181 only, 1992.
</p>
</li>
<li>
<p class="mim-text-font">
Arena, J. F., Schwartz, C., Ouzts, L., Stevenson, R., Miller, M., Garza, J., Nance, M., Lubs, H.
<strong>X-linked mental retardation with thin habitus, osteoporosis, and kyphoscoliosis: linkage to Xp21.3-p22.12.</strong>
Am. J. Med. Genet. 64: 50-58, 1996.
[PubMed: 8826448]
[Full Text: https://doi.org/10.1002/(SICI)1096-8628(19960712)64:1&lt;50::AID-AJMG7&gt;3.0.CO;2-V]
</p>
</li>
<li>
<p class="mim-text-font">
Becerra-Solano, L. E., Butler, J., Castaneda-Cisneros, G., McCloskey, D. E., Wang, X., Pegg, A. E., Schwartz, C. E., Sanchez-Corona, J., Garcia-Ortiz, J. E.
<strong>A missense mutation, p.V132G, in the X-linked spermine synthase gene (SMS) causes Snyder-Robinson syndrome.</strong>
Am. J. Med. Genet. 149A: 328-335, 2009.
[PubMed: 19206178]
[Full Text: https://doi.org/10.1002/ajmg.a.32641]
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</li>
<li>
<p class="mim-text-font">
Cason, A. L., Ikeguchi, Y., Skinner, C., Wood, T. C., Holden, K. R., Lubs, H. A., Martinez, F., Simensen, R. J., Stevenson, R. E., Pegg, A. E., Schwartz, C. E.
<strong>X-linked spermine synthase gene (SMS) defect: the first polyamine deficiency syndrome.</strong>
Europ. J. Hum. Genet. 11: 937-944, 2003.
[PubMed: 14508504]
[Full Text: https://doi.org/10.1038/sj.ejhg.5201072]
</p>
</li>
<li>
<p class="mim-text-font">
de Alencastro, G., McCloskey, D. E., Kliemann, S. E., Maranduba, C. M. C., Pegg, A. E., Wang, X., Bertola, D. A., Schwartz, C. E., Passos-Bueno, M. R., Sertie, A. L.
<strong>New SMS mutation leads to a striking reduction in spermine synthase protein function and a severe form of Snyder-Robinson X-linked recessive mental retardation syndrome. (Letter)</strong>
J. Med. Genet. 45: 539-543, 2008.
[PubMed: 18550699]
[Full Text: https://doi.org/10.1136/jmg.2007.056713]
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</li>
<li>
<p class="mim-text-font">
Kesler, S. R., Schwartz, C., Stevenson, R. E., Reiss, A. L.
<strong>The impact of spermine synthase (SMS) mutations on brain morphology</strong>
Neurogenetics 10: 299-305, 2009.
[PubMed: 19277733]
[Full Text: https://doi.org/10.1007/s10048-009-0184-2]
</p>
</li>
<li>
<p class="mim-text-font">
Peron, A., Spaccini, L., Norris, J., Bova, S. M., Selicorni, A., Weber, G., Wood, T., Schwartz, C. E., Mastrangelo, M.
<strong>Snyder-Robinson syndrome: a novel missense mutation in spermine synthase and expansion of the phenotype.</strong>
Am. J. Med. Genet. 161A: 2316-2320, 2013. Note: Erratum: Am. J. Med. Genet. 164A: 1083 only, 2014.
[PubMed: 23897707]
[Full Text: https://doi.org/10.1002/ajmg.a.36116]
</p>
</li>
<li>
<p class="mim-text-font">
Snyder, R. D., Robinson, A.
<strong>Recessive sex-linked mental retardation in the absence of other recognizable abnormalities: report of a family.</strong>
Clin. Pediat. 8: 669-674, 1969.
[PubMed: 5823961]
[Full Text: https://doi.org/10.1177/000992286900801114]
</p>
</li>
<li>
<p class="mim-text-font">
Zhang, Z., Norris, J., Kalscheuer, V., Wood, T., Wang, L., Schwartz, C., Alexov, E., Van Esch, H.
<strong>A Y328C missense mutation in spermine synthase causes a mild form of Snyder-Robinson syndrome.</strong>
Hum. Molec. Genet. 22: 3789-3797, 2013.
[PubMed: 23696453]
[Full Text: https://doi.org/10.1093/hmg/ddt229]
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