nih-gov/www.ncbi.nlm.nih.gov/omim/311510

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<title>
Entry
- #311510 - WAISMAN SYNDROME; WSMN
- OMIM
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<span class="h4">#311510</span>
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<strong>Table of Contents</strong>
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<a href="#title"><strong>Title</strong></a>
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<a href="#phenotypeMap"><strong>Phenotype-Gene Relationships</strong></a>
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<a href="/clinicalSynopsis/311510"><strong>Clinical Synopsis</strong></a>
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<a href="#text"><strong>Text</strong></a>
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<a href="#description">Description</a>
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<li role="presentation" style="margin-left: 1em">
<a href="#clinicalFeatures">Clinical Features</a>
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<li role="presentation" style="margin-left: 1em">
<a href="#inheritance">Inheritance</a>
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<li role="presentation" style="margin-left: 1em">
<a href="#cytogenetics">Cytogenetics</a>
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<a href="#mapping">Mapping</a>
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<a href="#molecularGenetics">Molecular Genetics</a>
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<a href="#references"><strong>References</strong></a>
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<a href="#contributors"><strong>Contributors</strong></a>
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<div style="display: table-cell;">Clinical Resources</div>
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<div><a href="https://clinicaltrials.gov/search?cond=(WAISMAN SYNDROME) OR (RAB39B)" class="mim-tip-hint" title="Clinical Trials" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'Clinical Trials', 'domain': 'clinicaltrials.gov'})">Clinical Trials</a></div>
<div><a href="https://www.orpha.net/consor/cgi-bin/ClinicalLabs_Search_Simple.php?lng=EN&LnkId=2216&Typ=Pat" class="mim-tip-hint" title="A list of European laboratories that offer genetic testing." target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'EuroGentest', 'domain': 'orpha.net'})">EuroGentest</a></div>
<div><a href="https://www.diseaseinfosearch.org/x/5607" class="mim-tip-hint" title="Network of disease-specific advocacy organizations, universities, private companies, government agencies, and public policy organizations." target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'Genetic Alliance', 'domain': 'diseaseinfosearch.org'})">Genetic Alliance</a></div>
<div><a href="https://www.ncbi.nlm.nih.gov/gtr/all/tests/?term=311510[mim]" class="mim-tip-hint" title="Genetic Testing Registry." target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'GTR', 'domain': 'ncbi.nlm.nih.gov'})">GTR</a></div>
<div><a href="https://www.orpha.net/consor/cgi-bin/OC_Exp.php?lng=EN&Expert=2379" class="mim-tip-hint" title="European reference portal for information on rare diseases and orphan drugs." target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'OrphaNet', 'domain': 'orpha.net'})">OrphaNet</a></div>
<div><a href="https://www.possumcore.com/nuxeo/nxdoc/default/1d59324c-ddda-48a9-9600-cce6ced28bc5/view_documents?source=omim" class="mim-tip-hint" title="A dysmorphology database of multiple malformations; metabolic, teratogenic, chromosomal, and skeletal syndromes; and their images." target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'POSSUM', 'domain': 'possum.net.au'})">POSSUM</a></div>
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<div style="display: table-cell;">Animal Models</div>
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<div><a href="https://www.alliancegenome.org/disease/DOID:0111781" class="mim-tip-hint" title="Search Across Species; explore model organism and human comparative genomics." target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'Alliance Genome', 'domain': 'alliancegenome.org'})">Alliance Genome</a></div>
<div><a href="http://www.informatics.jax.org/disease/311510" class="mim-tip-hint" title="Phenotypes, alleles, and disease models from Mouse Genome Informatics." target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'MGI Mouse Phenotype', 'domain': 'informatics.jax.org'})">MGI Mouse Phenotype</a></div>
<div><a href="https://wormbase.org/resources/disease/DOID:0111781" class="mim-tip-hint" title="Database of the biology and genome of Caenorhabditis elegans and related nematodes." target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'Wormbase Disease Ontology', 'domain': 'wormbase.org'})">Wormbase Disease Ontology</a></div>
<div><a href="https://zfin.org/ZDB-GENE-061215-104" class="mim-tip-hint" title="The Zebrafish Model Organism Database." target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'ZFin', 'domain': 'zfin.org'})">ZFin</a></div>
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<span class="mim-tip-bottom" qtip_title="<strong>Looking for this gene or this phenotype in other resources?</strong>" qtip_text="Select a related resource from the dropdown menu and click for a targeted link to information directly relevant.">
&nbsp;
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<div class="col-lg-8 col-lg-pull-2 col-md-8 col-md-pull-2 col-sm-8 col-sm-pull-2 col-xs-12">
<div>
<a id="title" class="mim-anchor"></a>
<div>
<a id="number" class="mim-anchor"></a>
<div class="text-right">
<a href="#" class="mim-tip-icd" qtip_title="<strong>ICD+</strong>" qtip_text="
<strong>SNOMEDCT:</strong> 716107009<br />
<strong>ORPHA:</strong> 2379<br />
<strong>DO:</strong> 0111781<br />
">ICD+</a>
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<div>
<span class="h3">
<span class="mim-font mim-tip-hint" title="Phenotype description, molecular basis known">
<span class="text-danger"><strong>#</strong></span>
311510
</span>
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<div>
<a id="preferredTitle" class="mim-anchor"></a>
<h3>
<span class="mim-font">
WAISMAN SYNDROME; WSMN
</span>
</h3>
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<div>
<br />
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<a id="alternativeTitles" class="mim-anchor"></a>
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<p>
<span class="mim-font">
<em>Alternative titles; symbols</em>
</span>
</p>
</div>
<div>
<h4>
<span class="mim-font">
PARKINSONISM, EARLY-ONSET, WITH MENTAL RETARDATION<br />
BASAL GANGLION DISORDER WITH MENTAL RETARDATION; BGMR<br />
WSN
</span>
</h4>
</div>
</div>
<div>
<br />
</div>
</div>
<div>
<a id="phenotypeMap" class="mim-anchor"></a>
<h4>
<span class="mim-font">
<strong>Phenotype-Gene Relationships</strong>
</span>
</h4>
<div>
<table class="table table-bordered table-condensed table-hover small mim-table-padding">
<thead>
<tr class="active">
<th>
Location
</th>
<th>
Phenotype
</th>
<th>
Phenotype <br /> MIM number
</th>
<th>
Inheritance
</th>
<th>
Phenotype <br /> mapping key
</th>
<th>
Gene/Locus
</th>
<th>
Gene/Locus <br /> MIM number
</th>
</tr>
</thead>
<tbody>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/X/887?start=-3&limit=10&highlight=887">
Xq28
</a>
</span>
</td>
<td>
<span class="mim-font">
Waisman syndrome
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/311510"> 311510 </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="X-linked recessive">XLR</abbr>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="3 - The molecular basis of the disorder is known"> 3 </abbr>
</span>
</td>
<td>
<span class="mim-font">
RAB39B
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/300774"> 300774 </a>
</span>
</td>
</tr>
</tbody>
</table>
</div>
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<a href="/clinicalSynopsis/311510" class="btn btn-warning" role="button"> Clinical Synopsis </a>
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PheneGene Graphics <span class="caret"></span>
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<ul class="dropdown-menu" style="width: 17em;">
<li><a href="/graph/linear/311510" target="_blank" onclick="gtag('event', 'mim_graph', {'destination': 'Linear'})"> Linear </a></li>
<li><a href="/graph/radial/311510" target="_blank" onclick="gtag('event', 'mim_graph', {'destination': 'Radial'})"> Radial </a></li>
</ul>
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<span class="glyphicon glyphicon-question-sign mim-tip-hint" title="OMIM PheneGene graphics depict relationships between phenotypes, groups of related phenotypes (Phenotypic Series), and genes.<br /><a href='/static/omim/pdf/OMIM_Graphics.pdf' target='_blank'>A quick reference overview and guide (PDF)</a>"></span>
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<div id="mimClinicalSynopsisFold" class="well well-sm collapse mimSingletonToggleFold">
<div class="small" style="margin: 5px">
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<div>
<span class="h5 mim-font">
<strong> INHERITANCE </strong>
</span>
</div>
<div style="margin-left: 2em;">
<div>
<span class="mim-font">
- X-linked recessive <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C1845977&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C1845977</a>, <a href="https://bioportal.bioontology.org/search?q=C1279481&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C1279481</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0001419" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0001419</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0001419" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0001419</a>]</span><br />
</span>
</div>
</div>
</div>
<div>
<div>
<span class="h5 mim-font">
<strong> 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 <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">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0221355&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0221355</a>, <a href="https://bioportal.bioontology.org/search?q=C2243051&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C2243051</a> 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>, <a href="https://hpo.jax.org/app/browse/term/HP:0001355" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0001355</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 />
</span>
</div>
</div>
</div>
</div>
<div>
<div>
<span class="h5 mim-font">
<strong> NEUROLOGIC </strong>
</span>
</div>
<div style="margin-left: 2em;">
<div>
<div>
<span class="h5 mim-font">
<em> Central Nervous System </em>
</span>
</div>
<div style="margin-left: 2em;">
<span class="mim-font">
- 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 /> -
Mental retardation <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/228156007" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">228156007</a>, <a href="https://purl.bioontology.org/ontology/SNOMEDCT/110359009" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">110359009</a>]</span> <span class="mim-feature-ids hidden">[ICD9CM: <a href="https://purl.bioontology.org/ontology/ICD9CM/317-319.99" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD9CM\', \'domain\': \'bioontology.org\'})">317-319.99</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C3714756&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C3714756</a>, <a href="https://bioportal.bioontology.org/search?q=C0025362&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0025362</a> 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> <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 /> -
Poor speech <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C1848207&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C1848207</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0002465" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0002465</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0002465" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0002465</a>]</span><br /> -
Parkinsonism, L-DOPA responsive <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C4012421&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C4012421</a>]</span><br /> -
Tremor <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/26079004" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">26079004</a>]</span> <span class="mim-feature-ids hidden">[ICD10CM: <a href="https://purl.bioontology.org/ontology/ICD10CM/R25.1" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD10CM\', \'domain\': \'bioontology.org\'})">R25.1</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0040822&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0040822</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0001337" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0001337</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0001337" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0001337</a>]</span><br /> -
Rigidity <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/16046003" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">16046003</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0700109&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0700109</a>, <a href="https://bioportal.bioontology.org/search?q=C0026837&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0026837</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0002063" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0002063</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0002063" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0002063</a>]</span><br /> -
Shuffling gait <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/43005009" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">43005009</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0231688&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0231688</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0002362" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0002362</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0002362" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0002362</a>]</span><br /> -
Bradykinesia <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/399317006" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">399317006</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0233565&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0233565</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0002067" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0002067</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0002067" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0002067</a>]</span><br /> -
Dyskinesia <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/9748009" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">9748009</a>]</span> <span class="mim-feature-ids hidden">[ICD10CM: <a href="https://purl.bioontology.org/ontology/ICD10CM/G24.9" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD10CM\', \'domain\': \'bioontology.org\'})">G24.9</a>, <a href="https://purl.bioontology.org/ontology/ICD10CM/G24" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD10CM\', \'domain\': \'bioontology.org\'})">G24</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0013384&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0013384</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0100660" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0100660</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0100660" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0100660</a>]</span><br /> -
Dysarthria <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/8011004" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">8011004</a>]</span> <span class="mim-feature-ids hidden">[ICD9CM: <a href="https://purl.bioontology.org/ontology/ICD9CM/438.13" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD9CM\', \'domain\': \'bioontology.org\'})">438.13</a>, <a href="https://purl.bioontology.org/ontology/ICD9CM/784.51" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD9CM\', \'domain\': \'bioontology.org\'})">784.51</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0013362&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0013362</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0001260" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0001260</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0001260" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0001260</a>]</span><br /> -
Dementia (in some patients) <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/52448006" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">52448006</a>, <a href="https://purl.bioontology.org/ontology/SNOMEDCT/12348006" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">12348006</a>]</span> <span class="mim-feature-ids hidden">[ICD10CM: <a href="https://purl.bioontology.org/ontology/ICD10CM/F03.90" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD10CM\', \'domain\': \'bioontology.org\'})">F03.90</a>, <a href="https://purl.bioontology.org/ontology/ICD10CM/F03" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD10CM\', \'domain\': \'bioontology.org\'})">F03</a>]</span> <span class="mim-feature-ids hidden">[ICD9CM: <a href="https://purl.bioontology.org/ontology/ICD9CM/290.1" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD9CM\', \'domain\': \'bioontology.org\'})">290.1</a>, <a href="https://purl.bioontology.org/ontology/ICD9CM/294.2" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD9CM\', \'domain\': \'bioontology.org\'})">294.2</a>, <a href="https://purl.bioontology.org/ontology/ICD9CM/290" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD9CM\', \'domain\': \'bioontology.org\'})">290</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0011265&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0011265</a>, <a href="https://bioportal.bioontology.org/search?q=C0497327&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0497327</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000726" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000726</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000726" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000726</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 /> -
Loss of dopaminergic neurons in the substantia nigra <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C4012422&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C4012422</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0034694" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0034694</a>]</span><br /> -
Alpha-synuclein-immunoreactive Lewy bodies <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C4012424&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C4012424</a>]</span><br /> -
Alpha-synuclein-immunoreactive Lewy neurites <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C4012424&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C4012424</a>]</span><br /> -
Tau immunoreactivity <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C4692666&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C4692666</a>]</span><br /> -
Axonal spheroids <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C3278074&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C3278074</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:6000717" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:6000717</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:6000717" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:6000717</a>]</span><br />
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<strong> MISCELLANEOUS </strong>
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- Two families have been reported (last curated February 2016)<br /> -
Variable age of onset of parkinsonism (first decade to adulthood)<br />
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<strong> MOLECULAR BASIS </strong>
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- Caused by mutation in the RAB39B, Ras oncogene family gene (RAB39B, <a href="/entry/300774#0003">300774.0003</a>)<br />
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<p>A number sign (#) is used with this entry because of evidence that Waisman syndrome (WSMN) is caused by mutation in the RAB39B gene (<a href="/entry/300774">300774</a>) on chromosome Xq28.</p><p>Mutation in the RAB39B gene has also been found in patients with X-linked mental retardation-72 (MRX72; <a href="/entry/300271">300271</a>); Parkinson disease has not been reported in patients with MRX72.</p>
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<strong>Description</strong>
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<p>Waisman syndrome (WSMN) is an X-linked neurologic disorder characterized by delayed psychomotor development, impaired intellectual development, and early-onset Parkinson disease (summary by <a href="#4" class="mim-tip-reference" title="Wilson, G. R., Sim, J. C. H., McLean, C., Giannandrea, M., Galea, C. A., Riseley, J. R., Stephenson, S. E. M., Fitzpatrick, E., Haas, S. A., Pope, K., Hogan, K. J., Gregg, R. G., and 21 others. &lt;strong&gt;Mutations in RAB39B cause X-linked intellectual disability and early-onset Parkinson disease with alpha-synuclein pathology.&lt;/strong&gt; Am. J. Hum. Genet. 95: 729-735, 2014.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/25434005/&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;25434005&lt;/a&gt;, &lt;a href=&quot;https://www.ncbi.nlm.nih.gov/pmc/?term=25434005[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.2014.10.015&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="25434005">Wilson et al., 2014</a>). <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=25434005" 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><a href="#2" class="mim-tip-reference" title="Laxova, R., Brown, E. S., Hogan, K., Hecox, K., Opitz, J. M. &lt;strong&gt;An X-linked recessive basal ganglia disorder with mental retardation.&lt;/strong&gt; Am. J. Med. Genet. 21: 681-689, 1985.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/4025396/&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;4025396&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1002/ajmg.1320210409&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="4025396">Laxova et al. (1985)</a> reported a large family of German ancestry living in Wisconsin in which multiple males had an X-linked form of mental retardation associated with megalencephaly and early-onset parkinsonism. The family was first seen by Dr. Harry A. Waisman in 1967. The patients had delayed psychomotor development with speech and language delay and persistent frontal lobe reflexes. In the second decade of life, the patients developed extrapyramidal signs, including cogwheel rigidity, tremor, slurred speech, shuffling gait, and postural changes; some patients had choreoathetoid movements. Three patients had seizures. CT scan of 2 patients showed no evidence of intracranial calcification. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=4025396" 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="Wilson, G. R., Sim, J. C. H., McLean, C., Giannandrea, M., Galea, C. A., Riseley, J. R., Stephenson, S. E. M., Fitzpatrick, E., Haas, S. A., Pope, K., Hogan, K. J., Gregg, R. G., and 21 others. &lt;strong&gt;Mutations in RAB39B cause X-linked intellectual disability and early-onset Parkinson disease with alpha-synuclein pathology.&lt;/strong&gt; Am. J. Hum. Genet. 95: 729-735, 2014.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/25434005/&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;25434005&lt;/a&gt;, &lt;a href=&quot;https://www.ncbi.nlm.nih.gov/pmc/?term=25434005[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.2014.10.015&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="25434005">Wilson et al. (2014)</a> reported an Australian family in which 3 brothers presented in childhood with nonprogressive impaired intellectual development, including delayed developmental milestones, cognitive impairment, and impaired speech; they also had macrocephaly. One patient developed a tremor in late childhood, but not frank parkinsonism. The other 2 brothers were both diagnosed with L-DOPA-responsive akinetic-rigid Parkinson disease by their mid-forties. Features of Parkinson disease in the 2 brothers included tremor, shuffling gait, bradykinesia, dyskinesia, cogwheel rigidity, and hypokinetic dysarthria. Brain imaging in 1 patient who had dementia showed evidence of iron and/or calcium deposition in the substantia nigra and globus pallidus. Neuropathologic examination of 1 patient showed loss of pigmented neurons in the substantia nigra, as well as alpha-synuclein (SNCA; <a href="/entry/163890">163890</a>)-immunoreactive Lewy bodies and Lewy neurites in surviving neurons. Other findings included cortical Lewy bodies, tau (MAPT; <a href="/entry/157140">157140</a>) immunoreactivity, and axonal spheroids, all of which are observed in other neurodegenerative disorders. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=25434005" 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="inheritance" class="mim-anchor"></a>
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<p>The transmission pattern of Waisman syndrome in the families reported by <a href="#2" class="mim-tip-reference" title="Laxova, R., Brown, E. S., Hogan, K., Hecox, K., Opitz, J. M. &lt;strong&gt;An X-linked recessive basal ganglia disorder with mental retardation.&lt;/strong&gt; Am. J. Med. Genet. 21: 681-689, 1985.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/4025396/&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;4025396&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1002/ajmg.1320210409&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="4025396">Laxova et al. (1985)</a> and <a href="#4" class="mim-tip-reference" title="Wilson, G. R., Sim, J. C. H., McLean, C., Giannandrea, M., Galea, C. A., Riseley, J. R., Stephenson, S. E. M., Fitzpatrick, E., Haas, S. A., Pope, K., Hogan, K. J., Gregg, R. G., and 21 others. &lt;strong&gt;Mutations in RAB39B cause X-linked intellectual disability and early-onset Parkinson disease with alpha-synuclein pathology.&lt;/strong&gt; Am. J. Hum. Genet. 95: 729-735, 2014.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/25434005/&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;25434005&lt;/a&gt;, &lt;a href=&quot;https://www.ncbi.nlm.nih.gov/pmc/?term=25434005[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.2014.10.015&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="25434005">Wilson et al. (2014)</a> was consistent with X-linked recessive inheritance. <a href="https://pubmed.ncbi.nlm.nih.gov/?term=25434005+4025396" 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>Cytogenetics</strong>
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<p>In 3 affected brothers from an Australian family segregating Waisman syndrome, <a href="#4" class="mim-tip-reference" title="Wilson, G. R., Sim, J. C. H., McLean, C., Giannandrea, M., Galea, C. A., Riseley, J. R., Stephenson, S. E. M., Fitzpatrick, E., Haas, S. A., Pope, K., Hogan, K. J., Gregg, R. G., and 21 others. &lt;strong&gt;Mutations in RAB39B cause X-linked intellectual disability and early-onset Parkinson disease with alpha-synuclein pathology.&lt;/strong&gt; Am. J. Hum. Genet. 95: 729-735, 2014.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/25434005/&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;25434005&lt;/a&gt;, &lt;a href=&quot;https://www.ncbi.nlm.nih.gov/pmc/?term=25434005[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.2014.10.015&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="25434005">Wilson et al. (2014)</a> identified a hemizygous 45-kb deletion of chromosome Xq28, including the entire RAB39B gene and the last 3 coding exons of the CLIC2 gene (<a href="/entry/300138">300138</a>). Patient fibroblasts showed absence of both the RAB39B and CLIC2 transcripts. Although mutation in the CLIC2 gene had been associated with a syndromic form of intellectual disability (MRXS32; <a href="/entry/300886">300886</a>), <a href="#4" class="mim-tip-reference" title="Wilson, G. R., Sim, J. C. H., McLean, C., Giannandrea, M., Galea, C. A., Riseley, J. R., Stephenson, S. E. M., Fitzpatrick, E., Haas, S. A., Pope, K., Hogan, K. J., Gregg, R. G., and 21 others. &lt;strong&gt;Mutations in RAB39B cause X-linked intellectual disability and early-onset Parkinson disease with alpha-synuclein pathology.&lt;/strong&gt; Am. J. Hum. Genet. 95: 729-735, 2014.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/25434005/&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;25434005&lt;/a&gt;, &lt;a href=&quot;https://www.ncbi.nlm.nih.gov/pmc/?term=25434005[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.2014.10.015&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="25434005">Wilson et al. (2014)</a> suggested that disruption of RAB39B was responsible for the phenotype in this family. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=25434005" 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="mapping" class="mim-anchor"></a>
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<p><a href="#1" class="mim-tip-reference" title="Gregg, R. G., Metzenberg, A. B., Hogan, K., Sekhon, G., Laxova, R. &lt;strong&gt;Waisman syndrome, a human X-linked recessive basal ganglia disorder with mental retardation: localization to Xq27.3-qter.&lt;/strong&gt; Genomics 9: 701-706, 1991.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/1674730/&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;1674730&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1016/0888-7543(91)90363-j&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="1674730">Gregg et al. (1991)</a> demonstrated linkage of Waisman syndrome with high lod scores and no recombinants to the F8C gene (<a href="/entry/300841">300841</a>) and to 4 DNA markers located in the region Xq27.3-qter, i.e., Xq28. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=1674730" 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="molecularGenetics" class="mim-anchor"></a>
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<strong>Molecular Genetics</strong>
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<p>In affected members of the Wisconsin kindred with Waisman syndrome reported by <a href="#2" class="mim-tip-reference" title="Laxova, R., Brown, E. S., Hogan, K., Hecox, K., Opitz, J. M. &lt;strong&gt;An X-linked recessive basal ganglia disorder with mental retardation.&lt;/strong&gt; Am. J. Med. Genet. 21: 681-689, 1985.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/4025396/&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;4025396&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1002/ajmg.1320210409&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="4025396">Laxova et al. (1985)</a>, <a href="#4" class="mim-tip-reference" title="Wilson, G. R., Sim, J. C. H., McLean, C., Giannandrea, M., Galea, C. A., Riseley, J. R., Stephenson, S. E. M., Fitzpatrick, E., Haas, S. A., Pope, K., Hogan, K. J., Gregg, R. G., and 21 others. &lt;strong&gt;Mutations in RAB39B cause X-linked intellectual disability and early-onset Parkinson disease with alpha-synuclein pathology.&lt;/strong&gt; Am. J. Hum. Genet. 95: 729-735, 2014.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/25434005/&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;25434005&lt;/a&gt;, &lt;a href=&quot;https://www.ncbi.nlm.nih.gov/pmc/?term=25434005[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.2014.10.015&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="25434005">Wilson et al. (2014)</a> identified a hemizygous missense mutation in the RAB39B gene (T168K; <a href="/entry/300774#0003">300774.0003</a>), resulting in destabilization and increased turnover of the mutant protein, consistent with a loss of function. The mutation was found by direct sequencing of the RAB39B gene after a deletion of RAB39B and 3 exons of the CLIC2 gene was identified in an Australian family with a similar phenotype. No CLIC2 sequence variants were identified in the Wisconsin kindred. In vitro cellular studies showed that loss of RAB39B was associated with reduced steady-state levels of alpha-synuclein. <a href="#4" class="mim-tip-reference" title="Wilson, G. R., Sim, J. C. H., McLean, C., Giannandrea, M., Galea, C. A., Riseley, J. R., Stephenson, S. E. M., Fitzpatrick, E., Haas, S. A., Pope, K., Hogan, K. J., Gregg, R. G., and 21 others. &lt;strong&gt;Mutations in RAB39B cause X-linked intellectual disability and early-onset Parkinson disease with alpha-synuclein pathology.&lt;/strong&gt; Am. J. Hum. Genet. 95: 729-735, 2014.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/25434005/&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;25434005&lt;/a&gt;, &lt;a href=&quot;https://www.ncbi.nlm.nih.gov/pmc/?term=25434005[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.2014.10.015&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="25434005">Wilson et al. (2014)</a> concluded that dysregulation of SNCA homeostasis and defects in vesicular trafficking resulted in the manifestations of this neurologic disorder. Mutations in the RAB39B gene were not found in 187 individuals with early-onset Parkinson disease or in 48 males with neurodegeneration with brain iron accumulation (see, e.g., NBIA1, <a href="/entry/234200">234200</a>). <a href="#4" class="mim-tip-reference" title="Wilson, G. R., Sim, J. C. H., McLean, C., Giannandrea, M., Galea, C. A., Riseley, J. R., Stephenson, S. E. M., Fitzpatrick, E., Haas, S. A., Pope, K., Hogan, K. J., Gregg, R. G., and 21 others. &lt;strong&gt;Mutations in RAB39B cause X-linked intellectual disability and early-onset Parkinson disease with alpha-synuclein pathology.&lt;/strong&gt; Am. J. Hum. Genet. 95: 729-735, 2014.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/25434005/&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;25434005&lt;/a&gt;, &lt;a href=&quot;https://www.ncbi.nlm.nih.gov/pmc/?term=25434005[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.2014.10.015&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="25434005">Wilson et al. (2014)</a> concluded that it was unclear whether MRX72 and WSMN represent the same disorder, with parkinsonism being an age-dependent manifestation, or whether each represents a distinct phenotype resulting from RAB39B mutations. <a href="https://pubmed.ncbi.nlm.nih.gov/?term=25434005+4025396" 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="Mata, I. F., Jang, Y., Kim, C.-H., Hanna, D. S., Dorschner, M. O., Samii, A., Agarwal, P., Roberts, J. W., Klepitskaya, O., Shprecher, D. R., Chung, K. A., Factor, S. A., and 14 others. &lt;strong&gt;The RAB39B p.G192R mutation causes X-linked dominant Parkinson&#x27;s disease.&lt;/strong&gt; Molec. Neurodegener. 10: 50, 2015. Note: Electronic Article.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/26399558/&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;26399558&lt;/a&gt;, &lt;a href=&quot;https://www.ncbi.nlm.nih.gov/pmc/?term=26399558[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/10.1186/s13024-015-0045-4&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="26399558">Mata et al. (2015)</a> reported a large US family of European origin in which 7 individuals, 5 males and 2 females, were affected with Parkinson disease, with 2 of the males having mild intellectual disability. The age of onset of Parkinson disease symptoms in the males ranged from 29 to 53, and in the females was 55 and 57. All had classical symptoms of parkinsonism that were levodopa-responsive. All affected individuals carried a missense mutation in the RAB39B gene (G192R; <a href="/entry/300774#0004">300774.0004</a>). Three unaffected females aged 40, 55, and 86 years, as well as an unaffected male aged 41 years, also carried the mutation. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=26399558" 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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<span id="mimReferencesToggleTriangle" class="small mimTextToggleTriangle">&#9660;</span>
<strong>REFERENCES</strong>
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</div>
<div id="mimReferencesFold" class="collapse in mimTextToggleFold">
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<a id="1" class="mim-anchor"></a>
<a id="Gregg1991" class="mim-anchor"></a>
<div class="">
<p class="mim-text-font">
Gregg, R. G., Metzenberg, A. B., Hogan, K., Sekhon, G., Laxova, R.
<strong>Waisman syndrome, a human X-linked recessive basal ganglia disorder with mental retardation: localization to Xq27.3-qter.</strong>
Genomics 9: 701-706, 1991.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/1674730/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">1674730</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=1674730" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">related citations</a>]
[<a href="https://doi.org/10.1016/0888-7543(91)90363-j" target="_blank">Full Text</a>]
</p>
</div>
</li>
<li>
<a id="2" class="mim-anchor"></a>
<a id="Laxova1985" class="mim-anchor"></a>
<div class="">
<p class="mim-text-font">
Laxova, R., Brown, E. S., Hogan, K., Hecox, K., Opitz, J. M.
<strong>An X-linked recessive basal ganglia disorder with mental retardation.</strong>
Am. J. Med. Genet. 21: 681-689, 1985.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/4025396/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">4025396</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=4025396" 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.1320210409" target="_blank">Full Text</a>]
</p>
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<a id="3" class="mim-anchor"></a>
<a id="Mata2015" class="mim-anchor"></a>
<div class="">
<p class="mim-text-font">
Mata, I. F., Jang, Y., Kim, C.-H., Hanna, D. S., Dorschner, M. O., Samii, A., Agarwal, P., Roberts, J. W., Klepitskaya, O., Shprecher, D. R., Chung, K. A., Factor, S. A., and 14 others.
<strong>The RAB39B p.G192R mutation causes X-linked dominant Parkinson's disease.</strong>
Molec. Neurodegener. 10: 50, 2015. Note: Electronic Article.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/26399558/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">26399558</a>, <a href="https://www.ncbi.nlm.nih.gov/pmc/?term=26399558[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=26399558" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">related citations</a>]
[<a href="https://doi.org/10.1186/s13024-015-0045-4" target="_blank">Full Text</a>]
</p>
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<a id="4" class="mim-anchor"></a>
<a id="Wilson2014" class="mim-anchor"></a>
<div class="">
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Wilson, G. R., Sim, J. C. H., McLean, C., Giannandrea, M., Galea, C. A., Riseley, J. R., Stephenson, S. E. M., Fitzpatrick, E., Haas, S. A., Pope, K., Hogan, K. J., Gregg, R. G., and 21 others.
<strong>Mutations in RAB39B cause X-linked intellectual disability and early-onset Parkinson disease with alpha-synuclein pathology.</strong>
Am. J. Hum. Genet. 95: 729-735, 2014.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/25434005/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">25434005</a>, <a href="https://www.ncbi.nlm.nih.gov/pmc/?term=25434005[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=25434005" 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.2014.10.015" target="_blank">Full Text</a>]
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<a id="contributors" class="mim-anchor"></a>
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<div class="col-lg-6 col-md-6 col-sm-6 col-xs-6">
<span class="mim-text-font">
Ada Hamosh - updated : 2/18/2016
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<div class="col-lg-offset-2 col-md-offset-4 col-sm-offset-4 col-xs-offset-2 col-lg-6 col-md-6 col-sm-6 col-xs-6">
<span class="mim-text-font">
Cassandra L. Kniffin - updated : 1/20/2015
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Creation Date:
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<span class="mim-text-font">
Victor A. McKusick : 6/4/1986
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carol : 06/25/2024
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carol : 08/07/2019<br>carol : 05/16/2017<br>alopez : 09/23/2016<br>alopez : 03/15/2016<br>alopez : 2/18/2016<br>carol : 1/21/2015<br>mcolton : 1/21/2015<br>ckniffin : 1/20/2015<br>alopez : 12/29/2014<br>carol : 6/23/2011<br>carol : 4/7/2011<br>mgross : 3/17/2004<br>alopez : 3/17/2004<br>mimadm : 2/28/1994<br>supermim : 3/17/1992<br>carol : 3/2/1992<br>carol : 3/22/1991<br>carol : 2/15/1991<br>carol : 1/31/1991
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<strong>#</strong> 311510
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WAISMAN SYNDROME; WSMN
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<em>Alternative titles; symbols</em>
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PARKINSONISM, EARLY-ONSET, WITH MENTAL RETARDATION<br />
BASAL GANGLION DISORDER WITH MENTAL RETARDATION; BGMR<br />
WSN
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<strong>SNOMEDCT:</strong> 716107009; &nbsp;
<strong>ORPHA:</strong> 2379; &nbsp;
<strong>DO:</strong> 0111781; &nbsp;
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<strong>Phenotype-Gene Relationships</strong>
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<table class="table table-bordered table-condensed small mim-table-padding">
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Location
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Phenotype
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Phenotype <br /> MIM number
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Inheritance
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Phenotype <br /> mapping key
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Gene/Locus
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Gene/Locus <br /> MIM number
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Xq28
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<span class="mim-font">
Waisman syndrome
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311510
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X-linked recessive
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3
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RAB39B
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<span class="mim-font">
300774
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<strong>TEXT</strong>
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<p>A number sign (#) is used with this entry because of evidence that Waisman syndrome (WSMN) is caused by mutation in the RAB39B gene (300774) on chromosome Xq28.</p><p>Mutation in the RAB39B gene has also been found in patients with X-linked mental retardation-72 (MRX72; 300271); Parkinson disease has not been reported in patients with MRX72.</p>
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<strong>Description</strong>
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<p>Waisman syndrome (WSMN) is an X-linked neurologic disorder characterized by delayed psychomotor development, impaired intellectual development, and early-onset Parkinson disease (summary by Wilson et al., 2014). </p>
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<strong>Clinical Features</strong>
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<p>Laxova et al. (1985) reported a large family of German ancestry living in Wisconsin in which multiple males had an X-linked form of mental retardation associated with megalencephaly and early-onset parkinsonism. The family was first seen by Dr. Harry A. Waisman in 1967. The patients had delayed psychomotor development with speech and language delay and persistent frontal lobe reflexes. In the second decade of life, the patients developed extrapyramidal signs, including cogwheel rigidity, tremor, slurred speech, shuffling gait, and postural changes; some patients had choreoathetoid movements. Three patients had seizures. CT scan of 2 patients showed no evidence of intracranial calcification. </p><p>Wilson et al. (2014) reported an Australian family in which 3 brothers presented in childhood with nonprogressive impaired intellectual development, including delayed developmental milestones, cognitive impairment, and impaired speech; they also had macrocephaly. One patient developed a tremor in late childhood, but not frank parkinsonism. The other 2 brothers were both diagnosed with L-DOPA-responsive akinetic-rigid Parkinson disease by their mid-forties. Features of Parkinson disease in the 2 brothers included tremor, shuffling gait, bradykinesia, dyskinesia, cogwheel rigidity, and hypokinetic dysarthria. Brain imaging in 1 patient who had dementia showed evidence of iron and/or calcium deposition in the substantia nigra and globus pallidus. Neuropathologic examination of 1 patient showed loss of pigmented neurons in the substantia nigra, as well as alpha-synuclein (SNCA; 163890)-immunoreactive Lewy bodies and Lewy neurites in surviving neurons. Other findings included cortical Lewy bodies, tau (MAPT; 157140) immunoreactivity, and axonal spheroids, all of which are observed in other neurodegenerative disorders. </p>
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<span class="mim-font">
<strong>Inheritance</strong>
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<span class="mim-text-font">
<p>The transmission pattern of Waisman syndrome in the families reported by Laxova et al. (1985) and Wilson et al. (2014) was consistent with X-linked recessive inheritance. </p>
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<span class="mim-font">
<strong>Cytogenetics</strong>
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<span class="mim-text-font">
<p>In 3 affected brothers from an Australian family segregating Waisman syndrome, Wilson et al. (2014) identified a hemizygous 45-kb deletion of chromosome Xq28, including the entire RAB39B gene and the last 3 coding exons of the CLIC2 gene (300138). Patient fibroblasts showed absence of both the RAB39B and CLIC2 transcripts. Although mutation in the CLIC2 gene had been associated with a syndromic form of intellectual disability (MRXS32; 300886), Wilson et al. (2014) suggested that disruption of RAB39B was responsible for the phenotype in this family. </p>
</span>
<div>
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<h4>
<span class="mim-font">
<strong>Mapping</strong>
</span>
</h4>
</div>
<span class="mim-text-font">
<p>Gregg et al. (1991) demonstrated linkage of Waisman syndrome with high lod scores and no recombinants to the F8C gene (300841) and to 4 DNA markers located in the region Xq27.3-qter, i.e., Xq28. </p>
</span>
<div>
<br />
</div>
<div>
<h4>
<span class="mim-font">
<strong>Molecular Genetics</strong>
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</h4>
</div>
<span class="mim-text-font">
<p>In affected members of the Wisconsin kindred with Waisman syndrome reported by Laxova et al. (1985), Wilson et al. (2014) identified a hemizygous missense mutation in the RAB39B gene (T168K; 300774.0003), resulting in destabilization and increased turnover of the mutant protein, consistent with a loss of function. The mutation was found by direct sequencing of the RAB39B gene after a deletion of RAB39B and 3 exons of the CLIC2 gene was identified in an Australian family with a similar phenotype. No CLIC2 sequence variants were identified in the Wisconsin kindred. In vitro cellular studies showed that loss of RAB39B was associated with reduced steady-state levels of alpha-synuclein. Wilson et al. (2014) concluded that dysregulation of SNCA homeostasis and defects in vesicular trafficking resulted in the manifestations of this neurologic disorder. Mutations in the RAB39B gene were not found in 187 individuals with early-onset Parkinson disease or in 48 males with neurodegeneration with brain iron accumulation (see, e.g., NBIA1, 234200). Wilson et al. (2014) concluded that it was unclear whether MRX72 and WSMN represent the same disorder, with parkinsonism being an age-dependent manifestation, or whether each represents a distinct phenotype resulting from RAB39B mutations. </p><p>Mata et al. (2015) reported a large US family of European origin in which 7 individuals, 5 males and 2 females, were affected with Parkinson disease, with 2 of the males having mild intellectual disability. The age of onset of Parkinson disease symptoms in the males ranged from 29 to 53, and in the females was 55 and 57. All had classical symptoms of parkinsonism that were levodopa-responsive. All affected individuals carried a missense mutation in the RAB39B gene (G192R; 300774.0004). Three unaffected females aged 40, 55, and 86 years, as well as an unaffected male aged 41 years, also carried the mutation. </p>
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<h4>
<span class="mim-font">
<strong>REFERENCES</strong>
</span>
</h4>
<div>
<p />
</div>
<div>
<ol>
<li>
<p class="mim-text-font">
Gregg, R. G., Metzenberg, A. B., Hogan, K., Sekhon, G., Laxova, R.
<strong>Waisman syndrome, a human X-linked recessive basal ganglia disorder with mental retardation: localization to Xq27.3-qter.</strong>
Genomics 9: 701-706, 1991.
[PubMed: 1674730]
[Full Text: https://doi.org/10.1016/0888-7543(91)90363-j]
</p>
</li>
<li>
<p class="mim-text-font">
Laxova, R., Brown, E. S., Hogan, K., Hecox, K., Opitz, J. M.
<strong>An X-linked recessive basal ganglia disorder with mental retardation.</strong>
Am. J. Med. Genet. 21: 681-689, 1985.
[PubMed: 4025396]
[Full Text: https://doi.org/10.1002/ajmg.1320210409]
</p>
</li>
<li>
<p class="mim-text-font">
Mata, I. F., Jang, Y., Kim, C.-H., Hanna, D. S., Dorschner, M. O., Samii, A., Agarwal, P., Roberts, J. W., Klepitskaya, O., Shprecher, D. R., Chung, K. A., Factor, S. A., and 14 others.
<strong>The RAB39B p.G192R mutation causes X-linked dominant Parkinson&#x27;s disease.</strong>
Molec. Neurodegener. 10: 50, 2015. Note: Electronic Article.
[PubMed: 26399558]
[Full Text: https://doi.org/10.1186/s13024-015-0045-4]
</p>
</li>
<li>
<p class="mim-text-font">
Wilson, G. R., Sim, J. C. H., McLean, C., Giannandrea, M., Galea, C. A., Riseley, J. R., Stephenson, S. E. M., Fitzpatrick, E., Haas, S. A., Pope, K., Hogan, K. J., Gregg, R. G., and 21 others.
<strong>Mutations in RAB39B cause X-linked intellectual disability and early-onset Parkinson disease with alpha-synuclein pathology.</strong>
Am. J. Hum. Genet. 95: 729-735, 2014.
[PubMed: 25434005]
[Full Text: https://doi.org/10.1016/j.ajhg.2014.10.015]
</p>
</li>
</ol>
<div>
<br />
</div>
</div>
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<div class="col-lg-1 col-md-1 col-sm-2 col-xs-2">
<span class="text-nowrap mim-text-font">
Contributors:
</span>
</div>
<div class="col-lg-6 col-md-6 col-sm-6 col-xs-6">
<span class="mim-text-font">
Ada Hamosh - updated : 2/18/2016<br>Cassandra L. Kniffin - updated : 1/20/2015
</span>
</div>
</div>
</div>
<div>
<br />
</div>
<div>
<div class="row">
<div class="col-lg-1 col-md-1 col-sm-2 col-xs-2">
<span class="text-nowrap mim-text-font">
Creation Date:
</span>
</div>
<div class="col-lg-6 col-md-6 col-sm-6 col-xs-6">
<span class="mim-text-font">
Victor A. McKusick : 6/4/1986
</span>
</div>
</div>
</div>
<div>
<br />
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