nih-gov/www.ncbi.nlm.nih.gov/omim/615637

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<title>
Entry
- #615637 - INTELLECTUAL DEVELOPMENTAL DISORDER, AUTOSOMAL RECESSIVE 41; MRT41
- OMIM
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<span class="h4">#615637</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/615637"><strong>Clinical Synopsis</strong></a>
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<a href="/phenotypicSeries/PS249500"> <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="#clinicalFeatures">Clinical Features</a>
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<li role="presentation" style="margin-left: 1em">
<a href="#inheritance">Inheritance</a>
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<li role="presentation" style="margin-left: 1em">
<a href="#molecularGenetics">Molecular Genetics</a>
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<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, AUTOSOMAL RECESSIVE" class="mim-tip-hint" title="A registry of federally and privately supported clinical trials conducted in the United States and around the world." target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'Clinical Trials', 'domain': 'clinicaltrials.gov'})">Clinical Trials</a></div>
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<a id="title" class="mim-anchor"></a>
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<a id="number" class="mim-anchor"></a>
<div class="text-right">
<a href="#" class="mim-tip-icd" qtip_title="<strong>ICD+</strong>" qtip_text="
<strong>ORPHA:</strong> 397612<br />
<strong>DO:</strong> 0081206<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>
615637
</span>
</span>
</div>
</div>
<div>
<a id="preferredTitle" class="mim-anchor"></a>
<h3>
<span class="mim-font">
INTELLECTUAL DEVELOPMENTAL DISORDER, AUTOSOMAL RECESSIVE 41; MRT41
</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, AUTOSOMAL RECESSIVE 41
</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/19/873?start=-3&limit=10&highlight=873">
19q13.32
</a>
</span>
</td>
<td>
<span class="mim-font">
Intellectual developmental disorder, autosomal recessive 41
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/615637"> 615637 </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal recessive">AR</abbr>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="3 - The molecular basis of the disorder is known"> 3 </abbr>
</span>
</td>
<td>
<span class="mim-font">
KPTN
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/615620"> 615620 </a>
</span>
</td>
</tr>
</tbody>
</table>
</div>
</div>
<div>
<div class="btn-group ">
<a href="/clinicalSynopsis/615637" 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/PS249500" 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/615637" target="_blank" onclick="gtag('event', 'mim_graph', {'destination': 'Linear'})"> Linear </a></li>
<li><a href="/graph/radial/615637" target="_blank" onclick="gtag('event', 'mim_graph', {'destination': 'Radial'})"> Radial </a></li>
</ul>
</div>
<span class="glyphicon glyphicon-question-sign mim-tip-hint" title="OMIM PheneGene graphics depict relationships between phenotypes, groups of related phenotypes (Phenotypic Series), and genes.<br /><a href='/static/omim/pdf/OMIM_Graphics.pdf' target='_blank'>A quick reference overview and guide (PDF)</a>"></span>
<div>
<p />
</div>
<div id="mimClinicalSynopsisFold" class="well well-sm collapse mimSingletonToggleFold">
<div class="small" style="margin: 5px">
<div>
<div>
<span class="h5 mim-font">
<strong> INHERITANCE </strong>
</span>
</div>
<div style="margin-left: 2em;">
<div>
<span class="mim-font">
- Autosomal recessive <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/258211005" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">258211005</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0441748&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0441748</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000007" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000007</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000007" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000007</a>]</span><br />
</span>
</div>
</div>
</div>
<div>
<div>
<span class="h5 mim-font">
<strong> HEAD & NECK </strong>
</span>
</div>
<div style="margin-left: 2em;">
<div>
<div>
<span class="h5 mim-font">
<em> Head </em>
</span>
</div>
<div style="margin-left: 2em;">
<span class="mim-font">
- Macrocephaly (+3-5 SD) <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C3810227&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C3810227</a>]</span> <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/12138000" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">12138000</a>, <a href="https://purl.bioontology.org/ontology/SNOMEDCT/1145403003" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">1145403003</a>]</span> <span class="mim-feature-ids hidden">[ICD10CM: <a href="https://purl.bioontology.org/ontology/ICD10CM/Q75.3" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD10CM\', \'domain\': \'bioontology.org\'})">Q75.3</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000256" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000256</a>]</span> <a href="https://elementsofmorphology.nih.gov/index.cgi?tid=dd989bb153739761147ef05dc870b050" target="_blank" class="small mim-tip-eom" title="&lt;img src=&quot;https://elementsofmorphology.nih.gov/images/terms/Macrocephaly-small.jpg&quot;&gt; &lt;br/&gt;Further Information: &lt;a href=&quot;https://elementsofmorphology.nih.gov/index.cgi?tid=dd989bb153739761147ef05dc870b050&quot target=&quot;_blank&quot onclick=&quot;gtag(\'event\', \'mim_outbound\', {\'name\': \'EOM\', \'domain\': \'elementsofmorphology.nih.gov\'})&quot;&gt;Elements of Morphology&lt;/a&gt;"><span class="glyphicon glyphicon-user" aria-hidden="true"></span></a><br />
</span>
</div>
</div>
<div>
<div>
<span class="h5 mim-font">
<em> Face </em>
</span>
</div>
<div style="margin-left: 2em;">
<span class="mim-font">
- Frontal bossing <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/90145001" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">90145001</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0221354&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0221354</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0002007" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0002007</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0002007" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0002007</a>]</span> <a href="https://elementsofmorphology.nih.gov/index.cgi?tid=3ab8802347404fb5ebf087fa6440bb25" target="_blank" class="small mim-tip-eom" title="&lt;img src=&quot;https://elementsofmorphology.nih.gov/images/terms/Frontal_Bossing-small.jpg&quot;&gt; &lt;br/&gt;Further Information: &lt;a href=&quot;https://elementsofmorphology.nih.gov/index.cgi?tid=3ab8802347404fb5ebf087fa6440bb25&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 /> -
Prominent chin <span class="mim-feature-ids hidden">[SNOMEDCT: <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> 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><br /> -
Retrognathia <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/109515000" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">109515000</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0035353&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0035353</a>, <a href="https://bioportal.bioontology.org/search?q=C3494422&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C3494422</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000278" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000278</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000278" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000278</a>]</span> <a href="https://elementsofmorphology.nih.gov/index.cgi?tid=ede3aa3495baae8accf26d8f779302ba" target="_blank" class="small mim-tip-eom" title="&lt;img src=&quot;https://elementsofmorphology.nih.gov/images/terms/Retrognathia-small.jpg&quot;&gt; &lt;br/&gt;Further Information: &lt;a href=&quot;https://elementsofmorphology.nih.gov/index.cgi?tid=ede3aa3495baae8accf26d8f779302ba&quot target=&quot;_blank&quot onclick=&quot;gtag(\'event\', \'mim_outbound\', {\'name\': \'EOM\', \'domain\': \'elementsofmorphology.nih.gov\'})&quot;&gt;Elements of Morphology&lt;/a&gt;"><span class="glyphicon glyphicon-user" aria-hidden="true"></span></a><br />
</span>
</div>
</div>
<div>
<div>
<span class="h5 mim-font">
<em> Ears </em>
</span>
</div>
<div style="margin-left: 2em;">
<span class="mim-font">
- Small ears <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/35045004" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">35045004</a>]</span> <span class="mim-feature-ids hidden">[ICD10CM: <a href="https://purl.bioontology.org/ontology/ICD10CM/Q17.2" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD10CM\', \'domain\': \'bioontology.org\'})">Q17.2</a>]</span> <span class="mim-feature-ids hidden">[ICD9CM: <a href="https://purl.bioontology.org/ontology/ICD9CM/744.23" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD9CM\', \'domain\': \'bioontology.org\'})">744.23</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0152423&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0152423</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0008551" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0008551</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0008551" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0008551</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">
- Hooded eyelids <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C3277348&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C3277348</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0010750" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0010750</a>, <a href="https://hpo.jax.org/app/browse/term/HP:0030820" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0030820</a>]</span><br /> -
Downslanting palpebral fissures <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/246800008" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">246800008</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0423110&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0423110</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000494" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000494</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000494" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000494</a>]</span><br /> -
Sunken eyes <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/246923005" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">246923005</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0423224&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0423224</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000490" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000490</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000490" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000490</a>]</span><br />
</span>
</div>
</div>
<div>
<div>
<span class="h5 mim-font">
<em> Nose </em>
</span>
</div>
<div style="margin-left: 2em;">
<span class="mim-font">
- Broad nasal tip <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/249327002" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">249327002</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0426429&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0426429</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000455" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000455</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000455" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000455</a>]</span> <a href="https://elementsofmorphology.nih.gov/index.cgi?tid=6ddac380d031baefd82dea5c5d13ca2a" target="_blank" class="small mim-tip-eom" title="&lt;img src=&quot;https://elementsofmorphology.nih.gov/images/terms/Nasal_Tip,Broad-small.jpg&quot;&gt; &lt;br/&gt;Further Information: &lt;a href=&quot;https://elementsofmorphology.nih.gov/index.cgi?tid=6ddac380d031baefd82dea5c5d13ca2a&quot target=&quot;_blank&quot onclick=&quot;gtag(\'event\', \'mim_outbound\', {\'name\': \'EOM\', \'domain\': \'elementsofmorphology.nih.gov\'})&quot;&gt;Elements of Morphology&lt;/a&gt;"><span class="glyphicon glyphicon-user" aria-hidden="true"></span></a><br />
</span>
</div>
</div>
</div>
</div>
<div>
<div>
<span class="h5 mim-font">
<strong> SKELETAL </strong>
</span>
</div>
<div style="margin-left: 2em;">
<div>
<div>
<span class="h5 mim-font">
<em> Skull </em>
</span>
</div>
<div style="margin-left: 2em;">
<span class="mim-font">
- Scaphocephaly <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/109418001" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">109418001</a>]</span> <span class="mim-feature-ids hidden">[ICD10CM: <a href="https://purl.bioontology.org/ontology/ICD10CM/Q75.01" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD10CM\', \'domain\': \'bioontology.org\'})">Q75.01</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0265534&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0265534</a>, <a href="https://bioportal.bioontology.org/search?q=C0432123&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0432123</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0030799" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0030799</a>, <a href="https://hpo.jax.org/app/browse/term/HP:0004442" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0004442</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0030799" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0030799</a>]</span> <a href="https://elementsofmorphology.nih.gov/index.cgi?tid=b49d4ad3bcb5a39e5263c4f1d7454a3e" target="_blank" class="small mim-tip-eom" title="&lt;img src=&quot;https://elementsofmorphology.nih.gov/images/terms/Dolichocephaly-small.jpg&quot;&gt; &lt;br/&gt;Further Information: &lt;a href=&quot;https://elementsofmorphology.nih.gov/index.cgi?tid=b49d4ad3bcb5a39e5263c4f1d7454a3e&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> Hands </em>
</span>
</div>
<div style="margin-left: 2em;">
<span class="mim-font">
- Fifth finger clinodactyly <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C1850049&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C1850049</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0004209" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0004209</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0004209" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0004209</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">
- 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 />
</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">
- Delayed psychomotor development <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/224958001" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">224958001</a>]</span> <span class="mim-feature-ids hidden">[ICD10CM: <a href="https://purl.bioontology.org/ontology/ICD10CM/F88" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD10CM\', \'domain\': \'bioontology.org\'})">F88</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0557874&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0557874</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0001263" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0001263</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0001263" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0001263</a>]</span><br /> -
Impaired intellectual development, mild to severe <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C5194978&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C5194978</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 /> -
Speech deficits <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C3810226&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C3810226</a>]</span><br /> -
Seizures (in some patients) <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 /> -
Intractable epilepsy (in 1 patient) <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C1096063&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C1096063</a>]</span><br />
</span>
</div>
</div>
<div>
<div>
<span class="h5 mim-font">
<em> Behavioral Psychiatric Manifestations </em>
</span>
</div>
<div style="margin-left: 2em;">
<span class="mim-font">
- Anxiety <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/48694002" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">48694002</a>, <a href="https://purl.bioontology.org/ontology/SNOMEDCT/197480006" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">197480006</a>]</span> <span class="mim-feature-ids hidden">[ICD10CM: <a href="https://purl.bioontology.org/ontology/ICD10CM/F41.9" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD10CM\', \'domain\': \'bioontology.org\'})">F41.9</a>, <a href="https://purl.bioontology.org/ontology/ICD10CM/F41.1" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD10CM\', \'domain\': \'bioontology.org\'})">F41.1</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0003469&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0003469</a>, <a href="https://bioportal.bioontology.org/search?q=C0003467&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0003467</a>, <a href="https://bioportal.bioontology.org/search?q=C0860603&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0860603</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000739" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000739</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000739" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000739</a>]</span><br /> -
Repetitive speech <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/25107009" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">25107009</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0392185&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0392185</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0031814" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0031814</a>]</span><br /> -
Stereotyped behaviors <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/84328007" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">84328007</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0038271&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0038271</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000733" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000733</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000733" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000733</a>]</span><br />
</span>
</div>
</div>
</div>
</div>
<div>
<div>
<span class="h5 mim-font">
<strong> MISCELLANEOUS </strong>
</span>
</div>
<div style="margin-left: 2em;">
<div>
<span class="mim-font">
- Onset at birth <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C1836142&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C1836142</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0003577" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0003577</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0003577" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0003577</a>]</span><br /> -
Originally reported in the Ohio Amish Anabaptist community<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 kaptin gene (KPTN, <a href="/entry/615620#0001">615620.0001</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, autosomal recessive
- <a href="/phenotypicSeries/PS249500">PS249500</a>
- 71 Entries
</h5>
</div>
</div>
<div class="row" style="margin-left: 0.125em; margin-right: 0.125em;">
<table class="table table-bordered table-condensed table-hover mim-table-padding">
<thead>
<tr>
<th class="col-lg-1 col-md-1 col-sm-1 col-xs-1 text-nowrap">
<strong>Location</strong>
</th>
<th class="col-lg-5 col-md-5 col-sm-5 col-xs-6 text-nowrap">
<strong>Phenotype</strong>
</th>
<th class="col-lg-1 col-md-1 col-sm-1 col-xs-1 text-nowrap">
<strong>Inheritance</strong>
</th>
<th class="col-lg-1 col-md-1 col-sm-1 col-xs-1 text-nowrap">
<strong>Phenotype<br />mapping key</strong>
</th>
<th class="col-lg-1 col-md-1 col-sm-1 col-xs-1 text-nowrap">
<strong>Phenotype<br />MIM number</strong>
</th>
<th class="col-lg-1 col-md-1 col-sm-1 col-xs-1 text-nowrap">
<strong>Gene/Locus</strong>
</th>
<th class="col-lg-1 col-md-1 col-sm-1 col-xs-1 text-nowrap">
<strong>Gene/Locus<br />MIM number</strong>
</th>
</tr>
</thead>
<tbody>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/1/84?start=-3&limit=10&highlight=84"> 1p36.32 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/619988"> Intellectual developmental disorder, autosomal recessive 77 </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal recessive">AR</abbr>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="3 - The molecular basis of the disorder is known"> 3 </abbr>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/619988"> 619988 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/616690"> CEP104 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/616690"> 616690 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/1/528?start=-3&limit=10&highlight=528"> 1p34.1 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/611090"> Intellectual developmental disorder, autosomal recessive 12 </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal recessive">AR</abbr>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="3 - The molecular basis of the disorder is known"> 3 </abbr>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/611090"> 611090 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/606494"> ST3GAL3 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/606494"> 606494 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/1/845?start=-3&limit=10&highlight=845"> 1p21.1-p13.3 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/611107"> Intellectual developmental disorder, autosomal recessive 4 </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal recessive">AR</abbr>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="2 - The disorder was placed on the map by statistical methods"> 2 </abbr>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/611107"> 611107 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/611107"> MRT4 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/611107"> 611107 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/1/868?start=-3&limit=10&highlight=868"> 1p13.3 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/617432"> Intellectual developmental disorder, autosomal recessive 60 </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal recessive">AR</abbr>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="3 - The molecular basis of the disorder is known"> 3 </abbr>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/617432"> 617432 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/600774"> TAF13 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/600774"> 600774 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/1/894?start=-3&limit=10&highlight=894"> 1p13.3 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/616269"> Intellectual developmental disorder, autosomal recessive 48 </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal recessive">AR</abbr>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="3 - The molecular basis of the disorder is known"> 3 </abbr>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/616269"> 616269 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/610299"> SLC6A17 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/610299"> 610299 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/1/1425?start=-3&limit=10&highlight=1425"> 1q24.3 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/617816"> Glycosylphosphatidylinositol biosynthesis defect 16 </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal recessive">AR</abbr>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="3 - The molecular basis of the disorder is known"> 3 </abbr>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/617816"> 617816 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/601730"> PIGC </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/601730"> 601730 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/1/1510?start=-3&limit=10&highlight=1510"> 1q31.1 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/620393"> ?Intellectual developmental disorder, autosomal recessive 79 </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal recessive">AR</abbr>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="3 - The molecular basis of the disorder is known"> 3 </abbr>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/620393"> 620393 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/189940"> TPR </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/189940"> 189940 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/1/1583?start=-3&limit=10&highlight=1583"> 1q32.1 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/618109"> Intellectual developmental disorder, autosomal recessive 65 </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal recessive">AR</abbr>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="3 - The molecular basis of the disorder is known"> 3 </abbr>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/618109"> 618109 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/605393"> KDM5B </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/605393"> 605393 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/1/1833?start=-3&limit=10&highlight=1833"> 1q43 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/616193"> Intellectual developmental disorder, autosomal recessive 47 </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal recessive">AR</abbr>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="3 - The molecular basis of the disorder is known"> 3 </abbr>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/616193"> 616193 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/606373"> FMN2 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/606373"> 606373 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/2/483?start=-3&limit=10&highlight=483"> 2q11.2 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/616887"> ?Intellectual developmental disorder, autosomal recessive 52 </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal recessive">AR</abbr>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="3 - The molecular basis of the disorder is known"> 3 </abbr>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/616887"> 616887 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/609552"> LMAN2L </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/609552"> 609552 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/2/667?start=-3&limit=10&highlight=667"> 2q22.1 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/616739"> Intellectual developmental disorder, autosomal recessive 51 </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal recessive">AR</abbr>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="3 - The molecular basis of the disorder is known"> 3 </abbr>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/616739"> 616739 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/605238"> HNMT </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/605238"> 605238 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/2/762?start=-3&limit=10&highlight=762"> 2q31.1 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/618665"> Intellectual developmental disorder, autosomal recessive 72 </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal recessive">AR</abbr>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="3 - The molecular basis of the disorder is known"> 3 </abbr>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/618665"> 618665 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/618628"> METTL5 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/618628"> 618628 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/3/12?start=-3&limit=10&highlight=12"> 3p26.2 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/607417"> Intellectual developmental disorder, autosomal recessive 2 </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal recessive">AR</abbr>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="3 - The molecular basis of the disorder is known"> 3 </abbr>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/607417"> 607417 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/609262"> CRBN </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/609262"> 609262 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/3/511?start=-3&limit=10&highlight=511"> 3q12.3 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/618383"> Intellectual developmental disorder, autosomal recessive 69 </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal recessive">AR</abbr>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="3 - The molecular basis of the disorder is known"> 3 </abbr>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/618383"> 618383 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/618181"> ZBTB11 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/618181"> 618181 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/3/813?start=-3&limit=10&highlight=813"> 3q25.32 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/618402"> Intellectual developmental disorder, autosomal recessive 70 </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal recessive">AR</abbr>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="3 - The molecular basis of the disorder is known"> 3 </abbr>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/618402"> 618402 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/613352"> RSRC1 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/613352"> 613352 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/3/863?start=-3&limit=10&highlight=863"> 3q26.2-q26.31 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/617028"> Intellectual developmental disorder, autosomal recessive 54 </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal recessive">AR</abbr>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="3 - The molecular basis of the disorder is known"> 3 </abbr>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/617028"> 617028 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/610005"> TNIK </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/610005"> 610005 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/4/210?start=-3&limit=10&highlight=210"> 4q12-q13.1 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/614329"> Intellectual developmental disorder, autosomal recessive 31 </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal recessive">AR</abbr>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="2 - The disorder was placed on the map by statistical methods"> 2 </abbr>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/614329"> 614329 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/614329"> MRT31 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/614329"> 614329 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/4/510?start=-3&limit=10&highlight=510"> 4q26 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/249500"> Intellectual developmental disorder, autosomal recessive 1 </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal recessive">AR</abbr>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="3 - The molecular basis of the disorder is known"> 3 </abbr>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/249500"> 249500 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/606709"> PRSS12 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/606709"> 606709 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/4/521?start=-3&limit=10&highlight=521"> 4q27-q28.2 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/614333"> Intellectual developmental disorder, autosomal recessive 29 </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal recessive">AR</abbr>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="2 - The disorder was placed on the map by statistical methods"> 2 </abbr>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/614333"> 614333 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/614333"> MRT29 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/614333"> 614333 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/5/39?start=-3&limit=10&highlight=39"> 5p15.31 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/611091"> Intellectual developmental disorder, autosomal recessive 5 </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal recessive">AR</abbr>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="3 - The molecular basis of the disorder is known"> 3 </abbr>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/611091"> 611091 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/610916"> NSUN2 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/610916"> 610916 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/5/665?start=-3&limit=10&highlight=665"> 5q32 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/618095"> ?Intellectual developmental disorder, autosomal recessive 63 </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal recessive">AR</abbr>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="3 - The molecular basis of the disorder is known"> 3 </abbr>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/618095"> 618095 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/114078"> CAMK2A </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/114078"> 114078 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/5/671?start=-3&limit=10&highlight=671"> 5q33.1 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/616116"> Intellectual developmental disorder, autosomal recessive 46 </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal recessive">AR</abbr>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="3 - The molecular basis of the disorder is known"> 3 </abbr>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/616116"> 616116 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/600853"> NDST1 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/600853"> 600853 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/5/693?start=-3&limit=10&highlight=693"> 5q33.2 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/619931"> ?Intellectual developmental disorder, autosomal recessive 76 </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal recessive">AR</abbr>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="3 - The molecular basis of the disorder is known"> 3 </abbr>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/619931"> 619931 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/138248"> GRIA1 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/138248"> 138248 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/6/580?start=-3&limit=10&highlight=580"> 6p12.2-q12 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/614345"> Intellectual developmental disorder, autosomal recessive 24 </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal recessive">AR</abbr>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="2 - The disorder was placed on the map by statistical methods"> 2 </abbr>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/614345"> 614345 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/614345"> MRT24 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/614345"> 614345 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/6/622?start=-3&limit=10&highlight=622"> 6q12-q15 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/614342"> Intellectual developmental disorder, autosomal recessive 30 </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal recessive">AR</abbr>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="2 - The disorder was placed on the map by statistical methods"> 2 </abbr>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/614342"> 614342 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/614342"> MRT30 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/614342"> 614342 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/6/733?start=-3&limit=10&highlight=733"> 6q16.3 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/620700"> Intellectual developmental disorder, autosomal recessive 81 </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal recessive">AR</abbr>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="3 - The molecular basis of the disorder is known"> 3 </abbr>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/620700"> 620700 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/614217"> ASCC3 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/614217"> 614217 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/6/734?start=-3&limit=10&highlight=734"> 6q16.3 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/611092"> Intellectual developmental disorder, autosomal recessive 6 </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal recessive">AR</abbr>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="3 - The molecular basis of the disorder is known"> 3 </abbr>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/611092"> 611092 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/138244"> GRIK2 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/138244"> 138244 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/6/857?start=-3&limit=10&highlight=857"> 6q23.2 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/614249"> Intellectual developmental disorder, autosomal recessive 18, with or without epilepsy </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal recessive">AR</abbr>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="3 - The molecular basis of the disorder is known"> 3 </abbr>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/614249"> 614249 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/605042"> MED23 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/605042"> 605042 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/6/1007?start=-3&limit=10&highlight=1007"> 6q26-q27 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/614347"> Intellectual developmental disorder, autosomal recessive 28 </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal recessive">AR</abbr>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="2 - The disorder was placed on the map by statistical methods"> 2 </abbr>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/614347"> 614347 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/614347"> MRT28 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/614347"> 614347 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/7/769?start=-3&limit=10&highlight=769"> 7q34 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/620653"> Intellectual developmental disorder, autosomal recessive 80, with variant lissencephaly </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal recessive">AR</abbr>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="3 - The molecular basis of the disorder is known"> 3 </abbr>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/620653"> 620653 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/600639"> CASP2 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/600639"> 600639 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/8/70?start=-3&limit=10&highlight=70"> 8p22 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/611093"> Intellectual developmental disorder, autosomal recessive 7 </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal recessive">AR</abbr>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="3 - The molecular basis of the disorder is known"> 3 </abbr>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/611093"> 611093 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/601385"> TUSC3 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/601385"> 601385 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/8/188?start=-3&limit=10&highlight=188"> 8p12 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/615541"> Intellectual developmental disorder, autosomal recessive 39 </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal recessive">AR</abbr>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="3 - The molecular basis of the disorder is known"> 3 </abbr>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/615541"> 615541 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/614426"> TTI2 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/614426"> 614426 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/8/370?start=-3&limit=10&highlight=370"> 8q21.13 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/617323"> Intellectual developmental disorder, autosomal recessive 59 </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal recessive">AR</abbr>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="3 - The molecular basis of the disorder is known"> 3 </abbr>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/617323"> 617323 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/602064"> IMPA1 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/602064"> 602064 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/8/511?start=-3&limit=10&highlight=511"> 8q24.12 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/615599"> Intellectual developmental disorder, autosomal recessive 40 </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal recessive">AR</abbr>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="3 - The molecular basis of the disorder is known"> 3 </abbr>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/615599"> 615599 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/604912"> TAF2 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/604912"> 604912 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/8/579?start=-3&limit=10&highlight=579"> 8q24.3 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/613192"> Intellectual developmental disorder, autosomal recessive 13 </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal recessive">AR</abbr>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="3 - The molecular basis of the disorder is known"> 3 </abbr>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/613192"> 613192 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/611966"> TRAPPC9 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/611966"> 611966 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/9/47?start=-3&limit=10&highlight=47"> 9p23-p13.3 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/614208"> Intellectual developmental disorder, autosomal recessive 16 </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal recessive">AR</abbr>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="2 - The disorder was placed on the map by statistical methods"> 2 </abbr>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/614208"> 614208 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/614208"> MRT16 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/614208"> 614208 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/9/166?start=-3&limit=10&highlight=166"> 9p13.3 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/617773"> Intellectual developmental disorder, autosomal recessive 61 </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal recessive">AR</abbr>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="3 - The molecular basis of the disorder is known"> 3 </abbr>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/617773"> 617773 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/611053"> RUSC2 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/611053"> 611053 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/9/681?start=-3&limit=10&highlight=681"> 9q34.3 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/614202"> Rafiq syndrome </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal recessive">AR</abbr>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="3 - The molecular basis of the disorder is known"> 3 </abbr>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/614202"> 614202 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/604346"> MAN1B1 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/604346"> 604346 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/10/89?start=-3&limit=10&highlight=89"> 10p12.31 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/620779"> Intellectual developmental disorder, autosomal recessive 82 </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal recessive">AR</abbr>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="3 - The molecular basis of the disorder is known"> 3 </abbr>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/620779"> 620779 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/617199"> NSUN6 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/617199"> 617199 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/10/219?start=-3&limit=10&highlight=219"> 10q21.2 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/615493"> Intellectual developmental disorder, autosomal recessive 37 </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal recessive">AR</abbr>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="3 - The molecular basis of the disorder is known"> 3 </abbr>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/615493"> 615493 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/600465"> ANK3 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/600465"> 600465 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/10/617?start=-3&limit=10&highlight=617"> 10q26.12 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/620237"> Intellectual developmental disorder, autosomal recessive 78 </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal recessive">AR</abbr>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="3 - The molecular basis of the disorder is known"> 3 </abbr>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/620237"> 620237 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/606417"> WDR11 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/606417"> 606417 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/11/44?start=-3&limit=10&highlight=44"> 11p15.5 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/619827"> Intellectual developmental disorder, autosomal recessive 75, with neuropsychiatric features and variant lissencephaly </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal recessive">AR</abbr>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="3 - The molecular basis of the disorder is known"> 3 </abbr>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/619827"> 619827 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/605247"> PIDD1 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/605247"> 605247 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/11/151?start=-3&limit=10&highlight=151"> 11p15.4 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/618295"> Intellectual developmental disorder, autosomal recessive 67 </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal recessive">AR</abbr>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="3 - The molecular basis of the disorder is known"> 3 </abbr>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/618295"> 618295 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/603914"> EIF3F </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/603914"> 603914 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/11/276?start=-3&limit=10&highlight=276"> 11p13-q14.1 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/614344"> Intellectual developmental disorder, autosomal recessive 23 </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal recessive">AR</abbr>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="2 - The disorder was placed on the map by statistical methods"> 2 </abbr>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/614344"> 614344 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/614344"> MRT23 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/614344"> 614344 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/11/889?start=-3&limit=10&highlight=889"> 11q22.3 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/618504"> Intellectual developmental disorder, autosomal recessive 71 </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal recessive">AR</abbr>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="3 - The molecular basis of the disorder is known"> 3 </abbr>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/618504"> 618504 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/613306"> ALKBH8 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/613306"> 613306 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/12/34?start=-3&limit=10&highlight=34"> 12p13.32 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/618221"> Intellectual developmental disorder, autosomal recessive 66 </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal recessive">AR</abbr>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="3 - The molecular basis of the disorder is known"> 3 </abbr>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/618221"> 618221 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/616082"> C12orf4 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/616082"> 616082 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/12/312?start=-3&limit=10&highlight=312"> 12q13.11-q15 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/614346"> Intellectual developmental disorder, autosomal recessive 25 </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal recessive">AR</abbr>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="2 - The disorder was placed on the map by statistical methods"> 2 </abbr>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/614346"> 614346 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/614346"> MRT25 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/614346"> 614346 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/12/579?start=-3&limit=10&highlight=579"> 12q14.2 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/621100"> Intellectual developmental disorder, autosomal recessive 83 </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal recessive">AR</abbr>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="3 - The molecular basis of the disorder is known"> 3 </abbr>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/621100"> 621100 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/617420"> KICS2 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/617420"> 617420 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/12/689?start=-3&limit=10&highlight=689"> 12q22 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/614499"> Intellectual developmental disorder, autosomal recessive 34, with variant lissencephaly </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal recessive">AR</abbr>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="3 - The molecular basis of the disorder is known"> 3 </abbr>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/614499"> 614499 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/603454"> CRADD </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/603454"> 603454 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/12/752?start=-3&limit=10&highlight=752"> 12q23.3 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/615817"> Intellectual developmental disorder, autosomal recessive 43 </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal recessive">AR</abbr>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="3 - The molecular basis of the disorder is known"> 3 </abbr>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/615817"> 615817 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/615748"> WASHC4 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/615748"> 615748 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/14/8?start=-3&limit=10&highlight=8"> 14q11.2-q12 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/611095"> Intellectual developmental disorder, autosomal recessive 9/26 </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal recessive">AR</abbr>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="2 - The disorder was placed on the map by statistical methods"> 2 </abbr>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/611095"> 611095 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/611095"> MRT9 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/611095"> 611095 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/14/439?start=-3&limit=10&highlight=439"> 14q31.3 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/617125"> Intellectual developmental disorder, autosomal recessive 56 </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal recessive">AR</abbr>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="3 - The molecular basis of the disorder is known"> 3 </abbr>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/617125"> 617125 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/613279"> ZC3H14 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/613279"> 613279 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/15/45?start=-3&limit=10&highlight=45"> 15q13.1 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/615516"> Intellectual developmental disorder, autosomal recessive 38 </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal recessive">AR</abbr>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="3 - The molecular basis of the disorder is known"> 3 </abbr>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/615516"> 615516 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/605837"> HERC2 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/605837"> 605837 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/15/382?start=-3&limit=10&highlight=382"> 15q24.1 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/616460"> ?Intellectual developmental disorder, autosomal recessive 50 </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal recessive">AR</abbr>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="3 - The molecular basis of the disorder is known"> 3 </abbr>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/616460"> 616460 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/609842"> EDC3 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/609842"> 609842 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/15/416?start=-3&limit=10&highlight=416"> 15q24.3 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/618103"> Intellectual developmental disorder, autosomal recessive 64 </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal recessive">AR</abbr>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="3 - The molecular basis of the disorder is known"> 3 </abbr>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/618103"> 618103 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/609791"> LINGO1 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/609791"> 609791 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/15/544?start=-3&limit=10&highlight=544"> 15q26.3 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/614340"> Intellectual developmental disorder, autosomal recessive 27 </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal recessive">AR</abbr>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="3 - The molecular basis of the disorder is known"> 3 </abbr>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/614340"> 614340 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/610350"> LINS1 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/610350"> 610350 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/16/257?start=-3&limit=10&highlight=257"> 16p12.2-q12.1 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/611096"> Intellectual developmental disorder, autosomal recessive 10/20 </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal recessive">AR</abbr>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="2 - The disorder was placed on the map by statistical methods"> 2 </abbr>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/611096"> 611096 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/611096"> MRT10 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/611096"> 611096 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/16/719?start=-3&limit=10&highlight=719"> 16q24.2 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/615979"> ?Intellectual developmental disorder, autosomal recessive 45 </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal recessive">AR</abbr>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="3 - The molecular basis of the disorder is known"> 3 </abbr>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/615979"> 615979 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/609102"> FBXO31 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/609102"> 609102 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/17/56?start=-3&limit=10&highlight=56"> 17p13.2-p13.1 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/614341"> Intellectual developmental disorder, autosomal recessive 33 </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal recessive">AR</abbr>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="2 - The disorder was placed on the map by statistical methods"> 2 </abbr>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/614341"> 614341 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/614341"> MRT33 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/614341"> 614341 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/17/597?start=-3&limit=10&highlight=597"> 17q21.31-q22 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/615162"> Intellectual developmental disorder, autosomal recessive 35 </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal recessive">AR</abbr>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="2 - The disorder was placed on the map by statistical methods"> 2 </abbr>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/615162"> 615162 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/615162"> MRT35 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/615162"> 615162 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/17/981?start=-3&limit=10&highlight=981"> 17q25.1 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/615942"> Intellectual developmental disorder, autosomal recessive 44 </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal recessive">AR</abbr>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="3 - The molecular basis of the disorder is known"> 3 </abbr>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/615942"> 615942 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/615262"> METTL23 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/615262"> 615262 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/18/140?start=-3&limit=10&highlight=140"> 18q12.2 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/617270"> Intellectual developmental disorder, autosomal recessive 58 </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal recessive">AR</abbr>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="3 - The molecular basis of the disorder is known"> 3 </abbr>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/617270"> 617270 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/616054"> ELP2 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/616054"> 616054 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/19/55?start=-3&limit=10&highlight=55"> 19p13.3 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/617169"> Intellectual developmental disorder, autosomal recessive 74 </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal recessive">AR</abbr>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="3 - The molecular basis of the disorder is known"> 3 </abbr>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/617169"> 617169 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/612034"> APC2 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/612034"> 612034 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/19/69?start=-3&limit=10&highlight=69"> 19p13.3 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/615286"> Neurodevelopmental disorder with brain abnormalities, poor growth, and dysmorphic facies </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal recessive">AR</abbr>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="3 - The molecular basis of the disorder is known"> 3 </abbr>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/615286"> 615286 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/615302"> ADAT3 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/615302"> 615302 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/19/351?start=-3&limit=10&highlight=351"> 19p13.13 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/618302"> Intellectual developmental disorder, autosomal recessive 68 </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal recessive">AR</abbr>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="3 - The molecular basis of the disorder is known"> 3 </abbr>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/618302"> 618302 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/611669"> TRMT1 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/611669"> 611669 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/19/365?start=-3&limit=10&highlight=365"> 19p13.12 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/608443"> Intellectual developmental disorder, autosomal recessive 3 </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal recessive">AR</abbr>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="3 - The molecular basis of the disorder is known"> 3 </abbr>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/608443"> 608443 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/610055"> CC2D1A </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/610055"> 610055 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/19/382?start=-3&limit=10&highlight=382"> 19p13.12 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/614020"> Intellectual developmental disorder, autosomal recessive 14 </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal recessive">AR</abbr>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="3 - The molecular basis of the disorder is known"> 3 </abbr>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/614020"> 614020 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/610057"> TECR </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/610057"> 610057 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/19/636?start=-3&limit=10&highlight=636"> 19q13.2-q13.3 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/611097"> Intellectual developmental disorder, autosomal recessive 11 </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal recessive">AR</abbr>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="2 - The disorder was placed on the map by statistical methods"> 2 </abbr>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/611097"> 611097 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/611097"> MRT11 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/611097"> 611097 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/19/873?start=-3&limit=10&highlight=873"> 19q13.32 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/615637"> Intellectual developmental disorder, autosomal recessive 41 </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal recessive">AR</abbr>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="3 - The molecular basis of the disorder is known"> 3 </abbr>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/615637"> 615637 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/615620"> KPTN </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/615620"> 615620 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/19/1123?start=-3&limit=10&highlight=1123"> 19q13.42 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/617188"> Intellectual developmental disorder, autosomal recessive 57 </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal recessive">AR</abbr>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="3 - The molecular basis of the disorder is known"> 3 </abbr>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/617188"> 617188 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/606048"> MBOAT7 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/606048"> 606048 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/20/130?start=-3&limit=10&highlight=130"> 20p11.23 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/619717"> Intellectual developmental disorder, autosomal recessive 73 </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal recessive">AR</abbr>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="3 - The molecular basis of the disorder is known"> 3 </abbr>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/619717"> 619717 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/610833"> NAA20 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/610833"> 610833 </a>
</span>
</td>
</tr>
</tbody>
</table>
</div>
<div class="text-right small">
<a href="#mimPhenotypicSeriesFold" data-toggle="collapse">&#9650;&nbsp;Close</a>
</div>
</div>
</div>
</div>
<div>
<br />
</div>
<div>
<a id="text" class="mim-anchor"></a>
<h4 href="#mimTextFold" id="mimTextToggle" class="mimTriangleToggle" style="cursor: pointer;" data-toggle="collapse">
<span id="mimTextToggleTriangle" class="small mimTextToggleTriangle">&#9660;</span>
<span class="mim-font">
<span class="mim-tip-floating" qtip_title="<strong>Looking For More References?</strong>" qtip_text="Click the 'reference plus' icon &lt;span class='glyphicon glyphicon-plus-sign'&gt;&lt;/span&gt at the end of each OMIM text paragraph to see more references related to the content of the preceding paragraph.">
<strong>TEXT</strong>
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</span>
</h4>
<div id="mimTextFold" class="collapse in ">
<span class="mim-text-font">
<p>A number sign (#) is used with this entry because of evidence that autosomal recessive intellectual disorder-41 (MRT41) is caused by homozygous or compound heterozygous mutation in the KPTN gene (<a href="/entry/615620">615620</a>) on chromosome 19q13.</p>
</span>
<div>
<br />
</div>
</div>
<div>
<a id="description" class="mim-anchor"></a>
<h4 href="#mimDescriptionFold" id="mimDescriptionToggle" class="mimTriangleToggle" style="cursor: pointer;" data-toggle="collapse">
<span id="mimDescriptionToggleTriangle" class="small mimTextToggleTriangle">&#9660;</span>
<span class="mim-font">
<strong>Description</strong>
</span>
</h4>
</div>
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<span class="mim-text-font">
<p>Autosomal recessive intellectual developmental disorder-41 (MRT41) is characterized by macrocephaly and global developmental delay. Some patients have seizures (<a href="#1" class="mim-tip-reference" title="Baple, E. L., Maroofian, R., Chioza, B. A., Izadi, M., Cross, H. E., Al-Turki, S., Barwick, K., Skrzypiec, A., Pawlak, R., Wagner, K., Coblentz, R., Zainy, T., Patton, M. A., Mansour, S., Rich, P., Qualmann, B., Hurles, M. E., Kessels, M. M., Crosby, A. H. &lt;strong&gt;Mutations in KPTN cause macrocephaly, neurodevelopmental delay, and seizures.&lt;/strong&gt; Am. J. Hum. Genet. 94: 87-94, 2014.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/24239382/&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;24239382&lt;/a&gt;, &lt;a href=&quot;https://www.ncbi.nlm.nih.gov/pmc/?term=24239382[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/10.1016/j.ajhg.2013.10.001&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="24239382">Baple et al., 2014</a>). <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=24239382" 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>Clinical Features</strong>
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<p><a href="#1" class="mim-tip-reference" title="Baple, E. L., Maroofian, R., Chioza, B. A., Izadi, M., Cross, H. E., Al-Turki, S., Barwick, K., Skrzypiec, A., Pawlak, R., Wagner, K., Coblentz, R., Zainy, T., Patton, M. A., Mansour, S., Rich, P., Qualmann, B., Hurles, M. E., Kessels, M. M., Crosby, A. H. &lt;strong&gt;Mutations in KPTN cause macrocephaly, neurodevelopmental delay, and seizures.&lt;/strong&gt; Am. J. Hum. Genet. 94: 87-94, 2014.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/24239382/&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;24239382&lt;/a&gt;, &lt;a href=&quot;https://www.ncbi.nlm.nih.gov/pmc/?term=24239382[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/10.1016/j.ajhg.2013.10.001&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="24239382">Baple et al. (2014)</a> reported 9 individuals from 4 nuclear Anabaptist Amish families from Ohio with an autosomal recessive intellectual developmental disorder. The patients had global developmental delay, mildly delayed walking, high levels of anxiety, stereotyped behavior, and repetitive speech. Dysmorphic features included macrocephaly (+3 to +5.4 SD) with frontal bossing, craniosynostosis, scaphocephaly, broad nasal bridge, hooded eyelids with small, downslanting palpebral fissures, and a prominent chin. Three patients had a seizure disorder, and 6 had childhood hypotonia. Less common features included fifth finger clinodactyly, recurrent pneumonia, and hepatosplenomegaly. Neuroimaging was unremarkable. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=24239382" 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="Pajusalu, S., Reimand, T., Ounap, K. &lt;strong&gt;Novel homozygous mutation in KPTN gene causing a familial intellectual disability-macrocephaly syndrome.&lt;/strong&gt; Am. J. Med. Genet. 167A: 1913-1915, 2015.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/25847626/&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;25847626&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1002/ajmg.a.37105&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="25847626">Pajusalu et al. (2015)</a> reported 2 adult Estonian sibs with MRT41 apparent since early childhood. Both had normal early development, but presented with speech delay and intellectual disability at school age, resulting in special schooling. The brother had more severe behavioral abnormalities, including anxiety, autistic features, stereotypic movements, and some self-aggression. Both had macrocephaly (+4-4.5 SD), prominent forehead, high palate, and microretrognathia. The brother had a few isolated seizures in childhood, whereas the sister had no seizures. EEG in both patients showed generalized slowing of background activity. As adults, they lived in a special home for the intellectually disabled; they had basic self-care and communication skills. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=25847626" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})"><span class="glyphicon glyphicon-plus-sign mim-tip-hint" title="Click this 'reference-plus' icon to see articles related to this paragraph in PubMed."></span></a></p><p><a href="#4" class="mim-tip-reference" title="Thiffault, I., Atherton, A., Heese, B. A., T Abdelmoity, A., Pawar, K., Farrow, E., Zellmer, L., Miller, N., Soden, S., Saunders, C. &lt;strong&gt;Pathogenic variants in KPTN gene identified by clinical whole-genome sequencing.&lt;/strong&gt; Cold Spring Harbor Molec. Case Stud. 6: a003970, 2020.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/32358097/&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;32358097&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1101/mcs.a003970&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="32358097">Thiffault et al. (2020)</a> reported a 9-year-old patient with MRT41 who presented with status epilepticus, macrocephaly, intractable epilepsy, autism, severe developmental delay, hypotonia, and hypoglycemia. He had dysmorphic features including frontal bossing, downslanting palpebral fissures, and small ears. He had a history of hepatosplenomegaly and hypoglycemic episodes at 5 months of age. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=32358097" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})"><span class="glyphicon glyphicon-plus-sign mim-tip-hint" title="Click this 'reference-plus' icon to see articles related to this paragraph in PubMed."></span></a></p><p><a href="#2" class="mim-tip-reference" title="Pacio Miguez, M., Santos-Simarro, F., Garcia-Minaur, S., Velazquez Fragua, R., Del Pozo, A., Solis, M., Jimenez Rodriguez, C., Rufo-Rabadan, V., Fernandez, V. E., Rueda, I., Gomez Del Pozo, M. V., Gallego, N., Lapunzina, P., Palomares-Bralo, M. &lt;strong&gt;Pathogenic variants in KPTN, a rare cause of macrocephaly and intellectual disability. (Letter)&lt;/strong&gt; Am. J. Med. Genet. 182A: 2222-2225, 2020.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/32808430/&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;32808430&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1002/ajmg.a.61778&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="32808430">Pacio Miguez et al. (2020)</a> reported 2 sisters, aged 7 and 3 years, with MRT41. The older sister presented at 3 years of age with speech and motor delay. At 7 years of age she had macrocephaly and expressive language impairment. The younger sister had progressive macrocephaly and speech delay at 3 years and 6 months of age. In both sibs, comprehensive language was less affected than expressive language, and they both had delayed closure of the anterior fontanel. A brain MRI in the younger sister showed nonspecific supratentorial leukoencephalopathy, and signal hyperintensity in the dentate nuclei. Neither sib had seizures. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=32808430" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})"><span class="glyphicon glyphicon-plus-sign mim-tip-hint" title="Click this 'reference-plus' icon to see articles related to this paragraph in PubMed."></span></a></p>
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<p>The transmission pattern of MRT41 in the family reported by <a href="#1" class="mim-tip-reference" title="Baple, E. L., Maroofian, R., Chioza, B. A., Izadi, M., Cross, H. E., Al-Turki, S., Barwick, K., Skrzypiec, A., Pawlak, R., Wagner, K., Coblentz, R., Zainy, T., Patton, M. A., Mansour, S., Rich, P., Qualmann, B., Hurles, M. E., Kessels, M. M., Crosby, A. H. &lt;strong&gt;Mutations in KPTN cause macrocephaly, neurodevelopmental delay, and seizures.&lt;/strong&gt; Am. J. Hum. Genet. 94: 87-94, 2014.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/24239382/&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;24239382&lt;/a&gt;, &lt;a href=&quot;https://www.ncbi.nlm.nih.gov/pmc/?term=24239382[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/10.1016/j.ajhg.2013.10.001&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="24239382">Baple et al. (2014)</a> was consistent with autosomal recessive inheritance. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=24239382" 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 4 affected individuals from 2 consanguineous Amish families with autosomal recessive impaired intellectual development and macrocephaly, <a href="#1" class="mim-tip-reference" title="Baple, E. L., Maroofian, R., Chioza, B. A., Izadi, M., Cross, H. E., Al-Turki, S., Barwick, K., Skrzypiec, A., Pawlak, R., Wagner, K., Coblentz, R., Zainy, T., Patton, M. A., Mansour, S., Rich, P., Qualmann, B., Hurles, M. E., Kessels, M. M., Crosby, A. H. &lt;strong&gt;Mutations in KPTN cause macrocephaly, neurodevelopmental delay, and seizures.&lt;/strong&gt; Am. J. Hum. Genet. 94: 87-94, 2014.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/24239382/&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;24239382&lt;/a&gt;, &lt;a href=&quot;https://www.ncbi.nlm.nih.gov/pmc/?term=24239382[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/10.1016/j.ajhg.2013.10.001&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="24239382">Baple et al. (2014)</a> identified a homozygous truncating mutation in the KPTN gene (S259X; <a href="/entry/615620#0001">615620.0001</a>). The mutation was found using a combination of homozygosity mapping and whole-exome sequencing. Five affected individuals from 2 additional consanguineous Amish families were compound heterozygous for S259X and an in-frame duplication in the KPTN gene (<a href="/entry/615620#0002">615620.0002</a>). All 4 families were determined to be distantly related, consistent with 2 founder mutations in this community. Transfection of the mutations into COS-7 cells showed that the mutant proteins did not localize like wildtype proteins to F-actin-rich lamellipodia, but rather accumulated at irregular perinuclear sites, suggesting a loss of normal activity. The truncated protein showed a more pronounced tendency to form such accumulations compared to the duplication mutation. <a href="#1" class="mim-tip-reference" title="Baple, E. L., Maroofian, R., Chioza, B. A., Izadi, M., Cross, H. E., Al-Turki, S., Barwick, K., Skrzypiec, A., Pawlak, R., Wagner, K., Coblentz, R., Zainy, T., Patton, M. A., Mansour, S., Rich, P., Qualmann, B., Hurles, M. E., Kessels, M. M., Crosby, A. H. &lt;strong&gt;Mutations in KPTN cause macrocephaly, neurodevelopmental delay, and seizures.&lt;/strong&gt; Am. J. Hum. Genet. 94: 87-94, 2014.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/24239382/&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;24239382&lt;/a&gt;, &lt;a href=&quot;https://www.ncbi.nlm.nih.gov/pmc/?term=24239382[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/10.1016/j.ajhg.2013.10.001&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="24239382">Baple et al. (2014)</a> suggested that the mutations resulted in a loss of KPTN function, which could lead to impairment of the neuronal actin cytoskeleton that is required for dendritic arborization or spine formation during neurogenesis. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=24239382" 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 Estonian sibs with MRT41, <a href="#3" class="mim-tip-reference" title="Pajusalu, S., Reimand, T., Ounap, K. &lt;strong&gt;Novel homozygous mutation in KPTN gene causing a familial intellectual disability-macrocephaly syndrome.&lt;/strong&gt; Am. J. Med. Genet. 167A: 1913-1915, 2015.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/25847626/&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;25847626&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1002/ajmg.a.37105&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="25847626">Pajusalu et al. (2015)</a> identified a homozygous 1-bp duplication (c.665dupA; <a href="/entry/615620#0003">615620.0003</a>) in the KPTN gene, predicted to result in a frameshift (Gln222fs). The mutation, which was found by whole-exome sequencing and confirmed by Sanger sequencing, segregated with the disorder in the family. Functional studies of the variant and studies of patient cells were not performed. The findings indicated that the disorder is not restricted to the Amish population. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=25847626" 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 9-year-old Caucasian boy with MRT41, <a href="#4" class="mim-tip-reference" title="Thiffault, I., Atherton, A., Heese, B. A., T Abdelmoity, A., Pawar, K., Farrow, E., Zellmer, L., Miller, N., Soden, S., Saunders, C. &lt;strong&gt;Pathogenic variants in KPTN gene identified by clinical whole-genome sequencing.&lt;/strong&gt; Cold Spring Harbor Molec. Case Stud. 6: a003970, 2020.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/32358097/&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;32358097&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1101/mcs.a003970&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="32358097">Thiffault et al. (2020)</a> identified compound heterozygous mutations in the KPTN gene, a previously identified in-frame duplication (<a href="/entry/615620#0002">615620.0002</a>) and a splice site mutation (<a href="/entry/615620#0004">615620.0004</a>). The mutations were found by whole-genome sequencing and confirmed by Sanger sequencing. The splice site mutation but not the duplication was inherited from the mother, suggesting that the variants were in trans. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=32358097" 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 Spanish sibs with MRT41, <a href="#2" class="mim-tip-reference" title="Pacio Miguez, M., Santos-Simarro, F., Garcia-Minaur, S., Velazquez Fragua, R., Del Pozo, A., Solis, M., Jimenez Rodriguez, C., Rufo-Rabadan, V., Fernandez, V. E., Rueda, I., Gomez Del Pozo, M. V., Gallego, N., Lapunzina, P., Palomares-Bralo, M. &lt;strong&gt;Pathogenic variants in KPTN, a rare cause of macrocephaly and intellectual disability. (Letter)&lt;/strong&gt; Am. J. Med. Genet. 182A: 2222-2225, 2020.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/32808430/&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;32808430&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1002/ajmg.a.61778&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="32808430">Pacio Miguez et al. (2020)</a> identified a homozygous 2-bp duplication in the KPTN gene (<a href="/entry/615620#0005">615620.0005</a>). No information regarding segregation was provided. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=32808430" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})"><span class="glyphicon glyphicon-plus-sign mim-tip-hint" title="Click this 'reference-plus' icon to see articles related to this paragraph in PubMed."></span></a></p>
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<a id="Baple2014" class="mim-anchor"></a>
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Baple, E. L., Maroofian, R., Chioza, B. A., Izadi, M., Cross, H. E., Al-Turki, S., Barwick, K., Skrzypiec, A., Pawlak, R., Wagner, K., Coblentz, R., Zainy, T., Patton, M. A., Mansour, S., Rich, P., Qualmann, B., Hurles, M. E., Kessels, M. M., Crosby, A. H.
<strong>Mutations in KPTN cause macrocephaly, neurodevelopmental delay, and seizures.</strong>
Am. J. Hum. Genet. 94: 87-94, 2014.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/24239382/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">24239382</a>, <a href="https://www.ncbi.nlm.nih.gov/pmc/?term=24239382[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=24239382" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">related citations</a>]
[<a href="https://doi.org/10.1016/j.ajhg.2013.10.001" target="_blank">Full Text</a>]
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Pacio Miguez, M., Santos-Simarro, F., Garcia-Minaur, S., Velazquez Fragua, R., Del Pozo, A., Solis, M., Jimenez Rodriguez, C., Rufo-Rabadan, V., Fernandez, V. E., Rueda, I., Gomez Del Pozo, M. V., Gallego, N., Lapunzina, P., Palomares-Bralo, M.
<strong>Pathogenic variants in KPTN, a rare cause of macrocephaly and intellectual disability. (Letter)</strong>
Am. J. Med. Genet. 182A: 2222-2225, 2020.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/32808430/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">32808430</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=32808430" 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.61778" target="_blank">Full Text</a>]
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<a id="Pajusalu2015" class="mim-anchor"></a>
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Pajusalu, S., Reimand, T., Ounap, K.
<strong>Novel homozygous mutation in KPTN gene causing a familial intellectual disability-macrocephaly syndrome.</strong>
Am. J. Med. Genet. 167A: 1913-1915, 2015.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/25847626/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">25847626</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=25847626" 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.37105" target="_blank">Full Text</a>]
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<a id="Thiffault2020" class="mim-anchor"></a>
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Thiffault, I., Atherton, A., Heese, B. A., T Abdelmoity, A., Pawar, K., Farrow, E., Zellmer, L., Miller, N., Soden, S., Saunders, C.
<strong>Pathogenic variants in KPTN gene identified by clinical whole-genome sequencing.</strong>
Cold Spring Harbor Molec. Case Stud. 6: a003970, 2020.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/32358097/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">32358097</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=32358097" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">related citations</a>]
[<a href="https://doi.org/10.1101/mcs.a003970" target="_blank">Full Text</a>]
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Hilary J. Vernon - updated : 04/07/2023
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Cassandra L. Kniffin - updated : 03/23/2018
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Cassandra L. Kniffin : 2/11/2014
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carol : 04/07/2023<br>carol : 04/06/2022<br>alopez : 03/30/2018<br>ckniffin : 03/23/2018<br>carol : 02/17/2014<br>mcolton : 2/17/2014<br>ckniffin : 2/11/2014
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<strong>#</strong> 615637
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INTELLECTUAL DEVELOPMENTAL DISORDER, AUTOSOMAL RECESSIVE 41; MRT41
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<em>Alternative titles; symbols</em>
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MENTAL RETARDATION, AUTOSOMAL RECESSIVE 41
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<strong>ORPHA:</strong> 397612; &nbsp;
<strong>DO:</strong> 0081206; &nbsp;
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<strong>Phenotype-Gene Relationships</strong>
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Location
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Phenotype
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Phenotype <br /> MIM number
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Inheritance
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Phenotype <br /> mapping key
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Gene/Locus
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Gene/Locus <br /> MIM number
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19q13.32
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Intellectual developmental disorder, autosomal recessive 41
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615637
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Autosomal recessive
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3
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KPTN
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615620
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<strong>TEXT</strong>
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<p>A number sign (#) is used with this entry because of evidence that autosomal recessive intellectual disorder-41 (MRT41) is caused by homozygous or compound heterozygous mutation in the KPTN gene (615620) on chromosome 19q13.</p>
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<strong>Description</strong>
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<p>Autosomal recessive intellectual developmental disorder-41 (MRT41) is characterized by macrocephaly and global developmental delay. Some patients have seizures (Baple et al., 2014). </p>
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<strong>Clinical Features</strong>
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<p>Baple et al. (2014) reported 9 individuals from 4 nuclear Anabaptist Amish families from Ohio with an autosomal recessive intellectual developmental disorder. The patients had global developmental delay, mildly delayed walking, high levels of anxiety, stereotyped behavior, and repetitive speech. Dysmorphic features included macrocephaly (+3 to +5.4 SD) with frontal bossing, craniosynostosis, scaphocephaly, broad nasal bridge, hooded eyelids with small, downslanting palpebral fissures, and a prominent chin. Three patients had a seizure disorder, and 6 had childhood hypotonia. Less common features included fifth finger clinodactyly, recurrent pneumonia, and hepatosplenomegaly. Neuroimaging was unremarkable. </p><p>Pajusalu et al. (2015) reported 2 adult Estonian sibs with MRT41 apparent since early childhood. Both had normal early development, but presented with speech delay and intellectual disability at school age, resulting in special schooling. The brother had more severe behavioral abnormalities, including anxiety, autistic features, stereotypic movements, and some self-aggression. Both had macrocephaly (+4-4.5 SD), prominent forehead, high palate, and microretrognathia. The brother had a few isolated seizures in childhood, whereas the sister had no seizures. EEG in both patients showed generalized slowing of background activity. As adults, they lived in a special home for the intellectually disabled; they had basic self-care and communication skills. </p><p>Thiffault et al. (2020) reported a 9-year-old patient with MRT41 who presented with status epilepticus, macrocephaly, intractable epilepsy, autism, severe developmental delay, hypotonia, and hypoglycemia. He had dysmorphic features including frontal bossing, downslanting palpebral fissures, and small ears. He had a history of hepatosplenomegaly and hypoglycemic episodes at 5 months of age. </p><p>Pacio Miguez et al. (2020) reported 2 sisters, aged 7 and 3 years, with MRT41. The older sister presented at 3 years of age with speech and motor delay. At 7 years of age she had macrocephaly and expressive language impairment. The younger sister had progressive macrocephaly and speech delay at 3 years and 6 months of age. In both sibs, comprehensive language was less affected than expressive language, and they both had delayed closure of the anterior fontanel. A brain MRI in the younger sister showed nonspecific supratentorial leukoencephalopathy, and signal hyperintensity in the dentate nuclei. Neither sib had seizures. </p>
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<strong>Inheritance</strong>
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<p>The transmission pattern of MRT41 in the family reported by Baple et al. (2014) was consistent with autosomal recessive inheritance. </p>
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<strong>Molecular Genetics</strong>
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<p>In 4 affected individuals from 2 consanguineous Amish families with autosomal recessive impaired intellectual development and macrocephaly, Baple et al. (2014) identified a homozygous truncating mutation in the KPTN gene (S259X; 615620.0001). The mutation was found using a combination of homozygosity mapping and whole-exome sequencing. Five affected individuals from 2 additional consanguineous Amish families were compound heterozygous for S259X and an in-frame duplication in the KPTN gene (615620.0002). All 4 families were determined to be distantly related, consistent with 2 founder mutations in this community. Transfection of the mutations into COS-7 cells showed that the mutant proteins did not localize like wildtype proteins to F-actin-rich lamellipodia, but rather accumulated at irregular perinuclear sites, suggesting a loss of normal activity. The truncated protein showed a more pronounced tendency to form such accumulations compared to the duplication mutation. Baple et al. (2014) suggested that the mutations resulted in a loss of KPTN function, which could lead to impairment of the neuronal actin cytoskeleton that is required for dendritic arborization or spine formation during neurogenesis. </p><p>In 2 Estonian sibs with MRT41, Pajusalu et al. (2015) identified a homozygous 1-bp duplication (c.665dupA; 615620.0003) in the KPTN gene, predicted to result in a frameshift (Gln222fs). The mutation, which was found by whole-exome sequencing and confirmed by Sanger sequencing, segregated with the disorder in the family. Functional studies of the variant and studies of patient cells were not performed. The findings indicated that the disorder is not restricted to the Amish population. </p><p>In a 9-year-old Caucasian boy with MRT41, Thiffault et al. (2020) identified compound heterozygous mutations in the KPTN gene, a previously identified in-frame duplication (615620.0002) and a splice site mutation (615620.0004). The mutations were found by whole-genome sequencing and confirmed by Sanger sequencing. The splice site mutation but not the duplication was inherited from the mother, suggesting that the variants were in trans. </p><p>In 2 Spanish sibs with MRT41, Pacio Miguez et al. (2020) identified a homozygous 2-bp duplication in the KPTN gene (615620.0005). No information regarding segregation was provided. </p>
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<strong>REFERENCES</strong>
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<p class="mim-text-font">
Baple, E. L., Maroofian, R., Chioza, B. A., Izadi, M., Cross, H. E., Al-Turki, S., Barwick, K., Skrzypiec, A., Pawlak, R., Wagner, K., Coblentz, R., Zainy, T., Patton, M. A., Mansour, S., Rich, P., Qualmann, B., Hurles, M. E., Kessels, M. M., Crosby, A. H.
<strong>Mutations in KPTN cause macrocephaly, neurodevelopmental delay, and seizures.</strong>
Am. J. Hum. Genet. 94: 87-94, 2014.
[PubMed: 24239382]
[Full Text: https://doi.org/10.1016/j.ajhg.2013.10.001]
</p>
</li>
<li>
<p class="mim-text-font">
Pacio Miguez, M., Santos-Simarro, F., Garcia-Minaur, S., Velazquez Fragua, R., Del Pozo, A., Solis, M., Jimenez Rodriguez, C., Rufo-Rabadan, V., Fernandez, V. E., Rueda, I., Gomez Del Pozo, M. V., Gallego, N., Lapunzina, P., Palomares-Bralo, M.
<strong>Pathogenic variants in KPTN, a rare cause of macrocephaly and intellectual disability. (Letter)</strong>
Am. J. Med. Genet. 182A: 2222-2225, 2020.
[PubMed: 32808430]
[Full Text: https://doi.org/10.1002/ajmg.a.61778]
</p>
</li>
<li>
<p class="mim-text-font">
Pajusalu, S., Reimand, T., Ounap, K.
<strong>Novel homozygous mutation in KPTN gene causing a familial intellectual disability-macrocephaly syndrome.</strong>
Am. J. Med. Genet. 167A: 1913-1915, 2015.
[PubMed: 25847626]
[Full Text: https://doi.org/10.1002/ajmg.a.37105]
</p>
</li>
<li>
<p class="mim-text-font">
Thiffault, I., Atherton, A., Heese, B. A., T Abdelmoity, A., Pawar, K., Farrow, E., Zellmer, L., Miller, N., Soden, S., Saunders, C.
<strong>Pathogenic variants in KPTN gene identified by clinical whole-genome sequencing.</strong>
Cold Spring Harbor Molec. Case Stud. 6: a003970, 2020.
[PubMed: 32358097]
[Full Text: https://doi.org/10.1101/mcs.a003970]
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Hilary J. Vernon - updated : 04/07/2023<br>Cassandra L. Kniffin - updated : 03/23/2018
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Cassandra L. Kniffin : 2/11/2014
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carol : 01/16/2024<br>carol : 04/07/2023<br>carol : 04/06/2022<br>alopez : 03/30/2018<br>ckniffin : 03/23/2018<br>carol : 02/17/2014<br>mcolton : 2/17/2014<br>ckniffin : 2/11/2014
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Dear OMIM User,
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To ensure long-term funding for the OMIM project, we have diversified
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donation now and again in the future. Donations are an important
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Thank you in advance for your generous support, <br />
Ada Hamosh, MD, MPH <br />
Scientific Director, OMIM <br />
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