nih-gov/www.ncbi.nlm.nih.gov/omim/608233

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<title>
Entry
- #608233 - HERMANSKY-PUDLAK SYNDROME 2; HPS2
- OMIM
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<span class="h4">#608233</span>
<br />
<strong>Table of Contents</strong>
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<li role="presentation">
<a href="#title"><strong>Title</strong></a>
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<a href="#phenotypeMap"><strong>Phenotype-Gene Relationships</strong></a>
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<li role="presentation">
<a href="/clinicalSynopsis/608233"><strong>Clinical Synopsis</strong></a>
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<li role="presentation">
<a href="/phenotypicSeries/PS203300"> <strong>Phenotypic Series</strong> </a>
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<a href="#text"><strong>Text</strong></a>
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<li role="presentation" style="margin-left: 1em">
<a href="#description">Description</a>
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<li role="presentation" style="margin-left: 1em">
<a href="#clinicalFeatures">Clinical Features</a>
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<li role="presentation" style="margin-left: 1em">
<a href="#inheritance">Inheritance</a>
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<li role="presentation" style="margin-left: 1em">
<a href="#pathogenesis">Pathogenesis</a>
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<li role="presentation" style="margin-left: 1em">
<a href="#molecularGenetics">Molecular Genetics</a>
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<li role="presentation" style="margin-left: 1em">
<a href="#nomenclature">Nomenclature</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=HERMANSKY-PUDLAK SYNDROME" class="mim-tip-hint" title="A registry of federally and privately supported clinical trials conducted in the United States and around the world." target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'Clinical Trials', 'domain': 'clinicaltrials.gov'})">Clinical Trials</a></div>
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<div style="margin-left: 0.5em;"><a href="https://www.orpha.net/consor/cgi-bin/ClinicalLabs_Search_Simple.php?lng=EN&LnkId=18309&Typ=Pat" title="Hermansky-Pudlak syndrome due to AP-3 deficiency" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'EuroGentest', 'domain': 'orpha.net'})">Hermansky-Pudlak syndrome …&nbsp;</a></div><div style="margin-left: 0.5em;"><a href="https://www.orpha.net/consor/cgi-bin/ClinicalLabs_Search_Simple.php?lng=EN&LnkId=11456&Typ=Pat" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'EuroGentest', 'domain': 'orpha.net'})">Hermansky-Pudlak syndrome&nbsp;</a></div>
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<div><a href="https://www.ncbi.nlm.nih.gov/books/NBK1287/" class="mim-tip-hint" title="Expert-authored, peer-reviewed descriptions of inherited disorders including the uses of genetic testing in diagnosis, management, and genetic counseling." target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'Gene Reviews', 'domain': 'ncbi.nlm.nih.gov'})">Gene Reviews</a></div>
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<div style="margin-left: 0.5em;"><a href="https://www.orpha.net/consor/cgi-bin/OC_Exp.php?lng=EN&Expert=183678" title="Hermansky-Pudlak syndrome due to AP-3 deficiency" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'OrphaNet', 'domain': 'orpha.net'})">Hermansky-Pudlak syndrome …</a></div><div style="margin-left: 0.5em;"><a href="https://www.orpha.net/consor/cgi-bin/OC_Exp.php?lng=EN&Expert=79430" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'OrphaNet', 'domain': 'orpha.net'})">Hermansky-Pudlak syndrome</a></div>
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<div><a href="https://www.possumcore.com/nuxeo/nxdoc/default/74bddcd2-36ec-4d7c-8170-ee9378dc821f/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><a href="https://www.alliancegenome.org/disease/DOID:0060540" 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/608233" 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://omia.org/OMIA000248/" class="mim-tip-hint" title="Online Mendelian Inheritance in Animals (OMIA) is a database of genes, inherited disorders and traits in 191 animal species (other than human and mouse.)" target="_blank">OMIA</a></div>
<div><a href="https://wormbase.org/resources/disease/DOID:0060540" class="mim-tip-hint" title="Database of the biology and genome of Caenorhabditis elegans and related nematodes." target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'Wormbase Disease Ontology', 'domain': 'wormbase.org'})">Wormbase Disease Ontology</a></div>
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<div class="panel panel-default" style="margin-top: 0px; border-radius: 0px">
<div class="panel-heading mim-panel-heading" role="tab" id="mimCellLines">
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<div style="display: table-cell;">Cell Lines</div>
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<div><a href="https://catalog.coriell.org/Search?q=OmimNum:608233" class="definition" title="Coriell Cell Repositories; cell cultures and DNA derived from cell cultures." target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'CCR', 'domain': 'ccr.coriell.org'})">Coriell</a></div>
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<span>
<span class="mim-tip-bottom" qtip_title="<strong>Looking for this gene or this phenotype in other resources?</strong>" qtip_text="Select a related resource from the dropdown menu and click for a targeted link to information directly relevant.">
&nbsp;
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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>ORPHA:</strong> 183678, 79430<br />
<strong>DO:</strong> 0060540<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>
608233
</span>
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<div>
<a id="preferredTitle" class="mim-anchor"></a>
<h3>
<span class="mim-font">
HERMANSKY-PUDLAK SYNDROME 2; HPS2
</span>
</h3>
</div>
<div>
<br />
</div>
</div>
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<a id="phenotypeMap" class="mim-anchor"></a>
<h4>
<span class="mim-font">
<strong>Phenotype-Gene Relationships</strong>
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<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/5/279?start=-3&limit=10&highlight=279">
5q14.1
</a>
</span>
</td>
<td>
<span class="mim-font">
Hermansky-Pudlak syndrome 2
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/608233"> 608233 </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">
AP3B1
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/603401"> 603401 </a>
</span>
</td>
</tr>
</tbody>
</table>
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<a href="/clinicalSynopsis/608233" class="btn btn-warning" role="button"> Clinical Synopsis </a>
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<a href="/phenotypicSeries/PS203300" class="btn btn-info" role="button"> Phenotypic Series </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/608233" target="_blank" onclick="gtag('event', 'mim_graph', {'destination': 'Linear'})"> Linear </a></li>
<li><a href="/graph/radial/608233" 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">
- Microcephaly <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/1148757008" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">1148757008</a>]</span> <span class="mim-feature-ids hidden">[ICD10CM: <a href="https://purl.bioontology.org/ontology/ICD10CM/Q02" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD10CM\', \'domain\': \'bioontology.org\'})">Q02</a>]</span> <span class="mim-feature-ids hidden">[ICD9CM: <a href="https://purl.bioontology.org/ontology/ICD9CM/742.1" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD9CM\', \'domain\': \'bioontology.org\'})">742.1</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C4551563&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C4551563</a>, <a href="https://bioportal.bioontology.org/search?q=C0025958&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0025958</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000252" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000252</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000252" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000252</a>]</span> <a href="https://elementsofmorphology.nih.gov/index.cgi?tid=0584d323b99dcd7001cc50e224947aca" target="_blank" class="small mim-tip-eom" title="&lt;img src=&quot;https://elementsofmorphology.nih.gov/images/terms/Microcephaly-small.jpg&quot;&gt; &lt;br/&gt;Further Information: &lt;a href=&quot;https://elementsofmorphology.nih.gov/index.cgi?tid=0584d323b99dcd7001cc50e224947aca&quot target=&quot;_blank&quot onclick=&quot;gtag(\'event\', \'mim_outbound\', {\'name\': \'EOM\', \'domain\': \'elementsofmorphology.nih.gov\'})&quot;&gt;Elements of Morphology&lt;/a&gt;"><span class="glyphicon glyphicon-user" aria-hidden="true"></span></a><br />
</span>
</div>
</div>
<div>
<div>
<span class="h5 mim-font">
<em> Face </em>
</span>
</div>
<div style="margin-left: 2em;">
<span class="mim-font">
- Coarse facial features <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C1845847&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C1845847</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000280" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000280</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000280" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000280</a>]</span><br /> -
Protruding midface <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C1969508&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C1969508</a>]</span><br /> -
Long, flat philtrum <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C1858541&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C1858541</a>]</span><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">
- Low-set ears <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/95515009" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">95515009</a>]</span> <span class="mim-feature-ids hidden">[ICD10CM: <a href="https://purl.bioontology.org/ontology/ICD10CM/Q17.4" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD10CM\', \'domain\': \'bioontology.org\'})">Q17.4</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0239234&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0239234</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000369" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000369</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000369" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000369</a>]</span> <a href="https://elementsofmorphology.nih.gov/index.cgi?tid=9f0956aaa4fd45c34f94336afbbdc931" target="_blank" class="small mim-tip-eom" title="&lt;img src=&quot;https://elementsofmorphology.nih.gov/images/terms/Ear,Low-Set-small.jpg&quot;&gt; &lt;br/&gt;Further Information: &lt;a href=&quot;https://elementsofmorphology.nih.gov/index.cgi?tid=9f0956aaa4fd45c34f94336afbbdc931&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 /> -
Posteriorly rotated ears <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/253251006" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">253251006</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0431478&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0431478</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000358" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000358</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000358" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000358</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">
- Ocular albinism, tyrosinase-positive <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C1969509&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C1969509</a>]</span><br /> -
Upslanting palpebral fissures <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/246799009" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">246799009</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0423109&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0423109</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000582" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000582</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000582" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000582</a>]</span><br /> -
Nystagmus <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/563001" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">563001</a>]</span> <span class="mim-feature-ids hidden">[ICD10CM: <a href="https://purl.bioontology.org/ontology/ICD10CM/H55.0" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD10CM\', \'domain\': \'bioontology.org\'})">H55.0</a>, <a href="https://purl.bioontology.org/ontology/ICD10CM/H55.00" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD10CM\', \'domain\': \'bioontology.org\'})">H55.00</a>]</span> <span class="mim-feature-ids hidden">[ICD9CM: <a href="https://purl.bioontology.org/ontology/ICD9CM/379.50" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD9CM\', \'domain\': \'bioontology.org\'})">379.50</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0028738&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0028738</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000639" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000639</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000639" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000639</a>]</span><br /> -
Strabismus <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/22066006" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">22066006</a>]</span> <span class="mim-feature-ids hidden">[ICD10CM: <a href="https://purl.bioontology.org/ontology/ICD10CM/H50.9" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD10CM\', \'domain\': \'bioontology.org\'})">H50.9</a>, <a href="https://purl.bioontology.org/ontology/ICD10CM/H50.40" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD10CM\', \'domain\': \'bioontology.org\'})">H50.40</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0038379&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0038379</a>, <a href="https://bioportal.bioontology.org/search?q=C2020541&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C2020541</a>, <a href="https://bioportal.bioontology.org/search?q=C1423541&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C1423541</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000486" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000486</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000486" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000486</a>]</span><br /> -
Decreased visual acuity <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/13164000" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">13164000</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0234632&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0234632</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0007663" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0007663</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0007663" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0007663</a>]</span><br /> -
Photophobia <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/409668002" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">409668002</a>, <a href="https://purl.bioontology.org/ontology/SNOMEDCT/246622003" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">246622003</a>]</span> <span class="mim-feature-ids hidden">[ICD10CM: <a href="https://purl.bioontology.org/ontology/ICD10CM/H53.14" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD10CM\', \'domain\': \'bioontology.org\'})">H53.14</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0085636&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0085636</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000613" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000613</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000613" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000613</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 root <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/249321001" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">249321001</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C1849367&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C1849367</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000431" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000431</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000431" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000431</a>]</span><br />
</span>
</div>
</div>
<div>
<div>
<span class="h5 mim-font">
<em> Mouth </em>
</span>
</div>
<div style="margin-left: 2em;">
<span class="mim-font">
- Thin upper lip <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C1865017&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C1865017</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000219" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000219</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000219" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000219</a>]</span><br />
</span>
</div>
</div>
<div>
<div>
<span class="h5 mim-font">
<em> Teeth </em>
</span>
</div>
<div style="margin-left: 2em;">
<span class="mim-font">
- Dental decay due to recurrent bacterial periodontitis <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C1969510&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C1969510</a>]</span> <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/80967001" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">80967001</a>]</span> <span class="mim-feature-ids hidden">[ICD10CM: <a href="https://purl.bioontology.org/ontology/ICD10CM/K02" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD10CM\', \'domain\': \'bioontology.org\'})">K02</a>, <a href="https://purl.bioontology.org/ontology/ICD10CM/K02.9" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD10CM\', \'domain\': \'bioontology.org\'})">K02.9</a>]</span> <span class="mim-feature-ids hidden">[ICD9CM: <a href="https://purl.bioontology.org/ontology/ICD9CM/521.0" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD9CM\', \'domain\': \'bioontology.org\'})">521.0</a>, <a href="https://purl.bioontology.org/ontology/ICD9CM/521.00" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD9CM\', \'domain\': \'bioontology.org\'})">521.00</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000670" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000670</a>]</span><br />
</span>
</div>
</div>
</div>
</div>
<div>
<div>
<span class="h5 mim-font">
<strong> RESPIRATORY </strong>
</span>
</div>
<div style="margin-left: 2em;">
<div>
<div>
<span class="h5 mim-font">
<em> Lung </em>
</span>
</div>
<div style="margin-left: 2em;">
<span class="mim-font">
- Pulmonary fibrosis due to recurrent infections <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C1969517&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C1969517</a>]</span> <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/51615001" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">51615001</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0002206" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0002206</a>]</span><br />
</span>
</div>
</div>
</div>
</div>
<div>
<div>
<span class="h5 mim-font">
<strong> ABDOMEN </strong>
</span>
</div>
<div style="margin-left: 2em;">
<div>
<div>
<span class="h5 mim-font">
<em> Liver </em>
</span>
</div>
<div style="margin-left: 2em;">
<span class="mim-font">
- Hepatomegaly <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/80515008" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">80515008</a>]</span> <span class="mim-feature-ids hidden">[ICD10CM: <a href="https://purl.bioontology.org/ontology/ICD10CM/R16.0" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD10CM\', \'domain\': \'bioontology.org\'})">R16.0</a>]</span> <span class="mim-feature-ids hidden">[ICD9CM: <a href="https://purl.bioontology.org/ontology/ICD9CM/789.1" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD9CM\', \'domain\': \'bioontology.org\'})">789.1</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0019209&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0019209</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0002240" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0002240</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0002240" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0002240</a>]</span><br />
</span>
</div>
</div>
<div>
<div>
<span class="h5 mim-font">
<em> Spleen </em>
</span>
</div>
<div style="margin-left: 2em;">
<span class="mim-font">
- Splenomegaly <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/16294009" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">16294009</a>]</span> <span class="mim-feature-ids hidden">[ICD10CM: <a href="https://purl.bioontology.org/ontology/ICD10CM/R16.1" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD10CM\', \'domain\': \'bioontology.org\'})">R16.1</a>]</span> <span class="mim-feature-ids hidden">[ICD9CM: <a href="https://purl.bioontology.org/ontology/ICD9CM/789.2" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD9CM\', \'domain\': \'bioontology.org\'})">789.2</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0038002&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0038002</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0001744" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0001744</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0001744" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0001744</a>]</span><br />
</span>
</div>
</div>
</div>
</div>
<div>
<div>
<span class="h5 mim-font">
<strong> SKELETAL </strong>
</span>
</div>
<div style="margin-left: 2em;">
<div>
<div>
<span class="h5 mim-font">
<em> Pelvis </em>
</span>
</div>
<div style="margin-left: 2em;">
<span class="mim-font">
- Hip dysplasia <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/52781008" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">52781008</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C1328407&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C1328407</a>, <a href="https://bioportal.bioontology.org/search?q=C4551649&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C4551649</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0008807" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0008807</a>, <a href="https://hpo.jax.org/app/browse/term/HP:0001385" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0001385</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0001385" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0001385</a>]</span><br /> -
Dysplastic acetabulae <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C1328407&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C1328407</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0008807" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0008807</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0008807" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0008807</a>]</span><br />
</span>
</div>
</div>
</div>
</div>
<div>
<div>
<span class="h5 mim-font">
<strong> SKIN, NAILS, & HAIR </strong>
</span>
</div>
<div style="margin-left: 2em;">
<div>
<div>
<span class="h5 mim-font">
<em> Skin </em>
</span>
</div>
<div style="margin-left: 2em;">
<span class="mim-font">
- Fair skin <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C1858570&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C1858570</a>, <a href="https://bioportal.bioontology.org/search?q=C1849923&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C1849923</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0007513" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0007513</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0007513" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0007513</a>]</span><br /> -
Cutaneous albinism, tyrosinase-positive <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C1969515&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C1969515</a>]</span><br /> -
Aberrant melanosome maturation <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C1969516&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C1969516</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0007384" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0007384</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0007384" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0007384</a>]</span><br />
</span>
</div>
</div>
<div>
<div>
<span class="h5 mim-font">
<em> Hair </em>
</span>
</div>
<div style="margin-left: 2em;">
<span class="mim-font">
- Fair hair <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/297995004" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">297995004</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C1849221&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C1849221</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0002286" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0002286</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0002286" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0002286</a>]</span><br /> -
Aberrant melanosome maturation <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C1969516&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C1969516</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0007384" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0007384</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0007384" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0007384</a>]</span><br />
</span>
</div>
</div>
</div>
</div>
<div>
<div>
<span class="h5 mim-font">
<strong> NEUROLOGIC </strong>
</span>
</div>
<div style="margin-left: 2em;">
<div>
<div>
<span class="h5 mim-font">
<em> Central Nervous System </em>
</span>
</div>
<div style="margin-left: 2em;">
<span class="mim-font">
- Mental retardation, mild <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/86765009" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">86765009</a>]</span> <span class="mim-feature-ids hidden">[ICD10CM: <a href="https://purl.bioontology.org/ontology/ICD10CM/F70" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD10CM\', \'domain\': \'bioontology.org\'})">F70</a>]</span> <span class="mim-feature-ids hidden">[ICD9CM: <a href="https://purl.bioontology.org/ontology/ICD9CM/317" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD9CM\', \'domain\': \'bioontology.org\'})">317</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0026106&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0026106</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0001256" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0001256</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0001256" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0001256</a>]</span><br /> -
Motor retardation, mild <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C1969507&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C1969507</a>]</span> <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/398991009" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">398991009</a>, <a href="https://purl.bioontology.org/ontology/SNOMEDCT/1144814003" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">1144814003</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0001270" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0001270</a>]</span><br />
</span>
</div>
</div>
</div>
</div>
<div>
<div>
<span class="h5 mim-font">
<strong> HEMATOLOGY </strong>
</span>
</div>
<div style="margin-left: 2em;">
<div>
<span class="mim-font">
- Thrombocytopenia <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/415116008" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">415116008</a>, <a href="https://purl.bioontology.org/ontology/SNOMEDCT/302215000" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">302215000</a>]</span> <span class="mim-feature-ids hidden">[ICD10CM: <a href="https://purl.bioontology.org/ontology/ICD10CM/D69.6" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD10CM\', \'domain\': \'bioontology.org\'})">D69.6</a>]</span> <span class="mim-feature-ids hidden">[ICD9CM: <a href="https://purl.bioontology.org/ontology/ICD9CM/287.5" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD9CM\', \'domain\': \'bioontology.org\'})">287.5</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0392386&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0392386</a>, <a href="https://bioportal.bioontology.org/search?q=C0040034&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0040034</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0001873" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0001873</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0001873" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0001873</a>]</span><br /> -
Absence of platelet dense bodies <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C1969514&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C1969514</a>]</span><br />
</span>
</div>
</div>
</div>
<div>
<div>
<span class="h5 mim-font">
<strong> IMMUNOLOGY </strong>
</span>
</div>
<div style="margin-left: 2em;">
<div>
<span class="mim-font">
- Neutropenia <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/303011007" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">303011007</a>, <a href="https://purl.bioontology.org/ontology/SNOMEDCT/165517008" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">165517008</a>, <a href="https://purl.bioontology.org/ontology/SNOMEDCT/84828003" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">84828003</a>]</span> <span class="mim-feature-ids hidden">[ICD10CM: <a href="https://purl.bioontology.org/ontology/ICD10CM/D70" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD10CM\', \'domain\': \'bioontology.org\'})">D70</a>, <a href="https://purl.bioontology.org/ontology/ICD10CM/D72.819" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD10CM\', \'domain\': \'bioontology.org\'})">D72.819</a>, <a href="https://purl.bioontology.org/ontology/ICD10CM/D70.9" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD10CM\', \'domain\': \'bioontology.org\'})">D70.9</a>]</span> <span class="mim-feature-ids hidden">[ICD9CM: <a href="https://purl.bioontology.org/ontology/ICD9CM/288.00" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD9CM\', \'domain\': \'bioontology.org\'})">288.00</a>, <a href="https://purl.bioontology.org/ontology/ICD9CM/288.50" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD9CM\', \'domain\': \'bioontology.org\'})">288.50</a>, <a href="https://purl.bioontology.org/ontology/ICD9CM/288.0" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD9CM\', \'domain\': \'bioontology.org\'})">288.0</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0853697&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0853697</a>, <a href="https://bioportal.bioontology.org/search?q=C0027947&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0027947</a>, <a href="https://bioportal.bioontology.org/search?q=C0023530&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0023530</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0001875" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0001875</a>, <a href="https://hpo.jax.org/app/browse/term/HP:0001882" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0001882</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0001875" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0001875</a>]</span><br /> -
Neutrophils show disorganized lysosomal compartments on ultrastructural analysis <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C1969511&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C1969511</a>]</span><br /> -
Recurrent bacterial infections <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/428875002" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">428875002</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C1844383&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C1844383</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0002718" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0002718</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0002718" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0002718</a>]</span><br /> -
Decreased numbers of natural killer cells (NK) <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C1969512&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C1969512</a>]</span><br />
</span>
</div>
</div>
</div>
<div>
<div>
<span class="h5 mim-font">
<strong> MISCELLANEOUS </strong>
</span>
</div>
<div style="margin-left: 2em;">
<div>
<span class="mim-font">
- 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 /> -
Genetic heterogeneity, see (<a href="/entry/203300">203300</a>)<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 adaptor-related protein complex 3, beta-1 subunit gene (AP3B1, <a href="/entry/603401#0001">603401.0001</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>
Hermansky-Pudlak syndrome
- <a href="/phenotypicSeries/PS203300">PS203300</a>
- 11 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/3/765?start=-3&limit=10&highlight=765"> 3q24 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/614072"> Hermansky-Pudlak syndrome 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/614072"> 614072 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/606118"> HPS3 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/606118"> 606118 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/5/279?start=-3&limit=10&highlight=279"> 5q14.1 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/608233"> Hermansky-Pudlak syndrome 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/608233"> 608233 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/603401"> AP3B1 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/603401"> 603401 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/6/45?start=-3&limit=10&highlight=45"> 6p24.3 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/619172"> Hermansky-Pudlak syndrome 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="3 - The molecular basis of the disorder is known"> 3 </abbr>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/619172"> 619172 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/607289"> BLOC1S5 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/607289"> 607289 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/6/87?start=-3&limit=10&highlight=87"> 6p22.3 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/614076"> Hermansky-Pudlak syndrome 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/614076"> 614076 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/607145"> DTNBP1 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/607145"> 607145 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/10/461?start=-3&limit=10&highlight=461"> 10q24.2 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/203300"> Hermansky-Pudlak syndrome 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/203300"> 203300 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/604982"> HPS1 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/604982"> 604982 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/10/507?start=-3&limit=10&highlight=507"> 10q24.32 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/614075"> Hermansky-Pudlak syndrome 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/614075"> 614075 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/607522"> HPS6 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/607522"> 607522 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/11/221?start=-3&limit=10&highlight=221"> 11p15.1 </a>
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<a href="/entry/614074"> Hermansky-Pudlak syndrome 5 </a>
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<abbr class="mim-tip-hint" title="Autosomal recessive">AR</abbr>
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<abbr class="mim-tip-hint" title="3 - The molecular basis of the disorder is known"> 3 </abbr>
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<span class="mim-font">
<a href="/entry/614074"> 614074 </a>
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<a href="/entry/607521"> HPS5 </a>
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<span class="mim-font">
<a href="/entry/607521"> 607521 </a>
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<a href="/geneMap/15/185?start=-3&limit=10&highlight=185"> 15q21.1 </a>
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<span class="mim-font">
<a href="/entry/614171"> Hermansky-Pudlak syndrome 9 </a>
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<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal recessive">AR</abbr>
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<span class="mim-font">
<abbr class="mim-tip-hint" title="3 - The molecular basis of the disorder is known"> 3 </abbr>
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<a href="/entry/614171"> 614171 </a>
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<span class="mim-font">
<a href="/entry/604310"> BLOC1S6 </a>
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<span class="mim-font">
<a href="/entry/604310"> 604310 </a>
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<span class="mim-font">
<a href="/geneMap/19/76?start=-3&limit=10&highlight=76"> 19p13.3 </a>
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<span class="mim-font">
<a href="/entry/617050"> ?Hermansky-Pudlak syndrome 10 </a>
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<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal recessive">AR</abbr>
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<span class="mim-font">
<abbr class="mim-tip-hint" title="3 - The molecular basis of the disorder is known"> 3 </abbr>
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<span class="mim-font">
<a href="/entry/617050"> 617050 </a>
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<span class="mim-font">
<a href="/entry/607246"> AP3D1 </a>
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<span class="mim-font">
<a href="/entry/607246"> 607246 </a>
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<span class="mim-font">
<a href="/geneMap/19/813?start=-3&limit=10&highlight=813"> 19q13.32 </a>
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<span class="mim-font">
<a href="/entry/614077"> Hermansky-Pudlak syndrome 8 </a>
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<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal recessive">AR</abbr>
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<span class="mim-font">
<abbr class="mim-tip-hint" title="3 - The molecular basis of the disorder is known"> 3 </abbr>
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<span class="mim-font">
<a href="/entry/614077"> 614077 </a>
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<span class="mim-font">
<a href="/entry/609762"> BLOC1S3 </a>
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<span class="mim-font">
<a href="/entry/609762"> 609762 </a>
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<span class="mim-font">
<a href="/geneMap/22/130?start=-3&limit=10&highlight=130"> 22q12.1 </a>
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<span class="mim-font">
<a href="/entry/614073"> Hermansky-Pudlak syndrome 4 </a>
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<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal recessive">AR</abbr>
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<span class="mim-font">
<abbr class="mim-tip-hint" title="3 - The molecular basis of the disorder is known"> 3 </abbr>
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<span class="mim-font">
<a href="/entry/614073"> 614073 </a>
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<span class="mim-font">
<a href="/entry/606682"> HPS4 </a>
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<span class="mim-font">
<a href="/entry/606682"> 606682 </a>
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</table>
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<a href="#mimPhenotypicSeriesFold" data-toggle="collapse">&#9650;&nbsp;Close</a>
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<strong>TEXT</strong>
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<p>A number sign (#) is used with this entry because Hermansky-Pudlak syndrome-2 (HPS2) is caused by homozygous or compound heterozygous mutation in the gene encoding the beta-3A subunit of the AP3 complex (AP3B1; <a href="/entry/603401">603401</a>) on chromosome 5q14.</p><p>For a general phenotypic description and a discussion of genetic heterogeneity of Hermansky-Pudlak syndrome, see HPS1 (<a href="/entry/203300">203300</a>).</p>
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<a id="description" class="mim-anchor"></a>
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<strong>Description</strong>
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<p>Hermansky-Pudlak syndrome (HPS) is a rare autosomal recessive disease characterized by platelet defects and oculocutaneous albinism. HPS2 differs from the other forms of HPS in that it includes immunodeficiency, and patients with HPS2 have an increased susceptibility to infections due to congenital neutropenia (<a href="#6" class="mim-tip-reference" title="Jung, J., Bohn, G., Allroth, A., Boztug, K., Brandes, G., Sandrock, I., Schaffer, A. A., Rathinam, C., Kollner, I., Beger, C., Schilke, R., Welte, K., Grimbacher, B., Klein, C. &lt;strong&gt;Identification of a homozygous deletion in the AP3B1 gene causing Hermansky-Pudlak syndrome, type 2.&lt;/strong&gt; Blood 108: 362-369, 2006.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/16537806/&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;16537806&lt;/a&gt;, &lt;a href=&quot;https://www.ncbi.nlm.nih.gov/pmc/?term=16537806[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/10.1182/blood-2005-11-4377&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="16537806">Jung et al., 2006</a>). <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=16537806" 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="clinicalFeatures" class="mim-anchor"></a>
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<strong>Clinical Features</strong>
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<p><a href="#7" class="mim-tip-reference" title="Kotzot, D., Richter, K., Gierth-Fiebig, K. &lt;strong&gt;Oculocutaneous albinism, immunodeficiency, hematological disorders, and minor anomalies: a new autosomal recessive syndrome?&lt;/strong&gt; Am. J. Med. Genet. 50: 224-227, 1994.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/8042664/&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;8042664&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1002/ajmg.1320500303&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="8042664">Kotzot et al. (1994)</a> reported a boy and girl with tyrosinase (TYR; <a href="/entry/606933">606933</a>)-positive oculocutaneous albinism, recurrent bacterial infections, granulocytopenia, intermittent thrombocytopenia, microcephaly, protruding midface, rough and projecting hair, and mild mental retardation. The patients were first cousins born in a consanguineous Turkish family; the parents were related as first cousins in both cases, and all 4 parents had a number of common ancestors. In a follow-up of the patients reported by <a href="#7" class="mim-tip-reference" title="Kotzot, D., Richter, K., Gierth-Fiebig, K. &lt;strong&gt;Oculocutaneous albinism, immunodeficiency, hematological disorders, and minor anomalies: a new autosomal recessive syndrome?&lt;/strong&gt; Am. J. Med. Genet. 50: 224-227, 1994.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/8042664/&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;8042664&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1002/ajmg.1320500303&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="8042664">Kotzot et al. (1994)</a>, <a href="#6" class="mim-tip-reference" title="Jung, J., Bohn, G., Allroth, A., Boztug, K., Brandes, G., Sandrock, I., Schaffer, A. A., Rathinam, C., Kollner, I., Beger, C., Schilke, R., Welte, K., Grimbacher, B., Klein, C. &lt;strong&gt;Identification of a homozygous deletion in the AP3B1 gene causing Hermansky-Pudlak syndrome, type 2.&lt;/strong&gt; Blood 108: 362-369, 2006.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/16537806/&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;16537806&lt;/a&gt;, &lt;a href=&quot;https://www.ncbi.nlm.nih.gov/pmc/?term=16537806[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/10.1182/blood-2005-11-4377&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="16537806">Jung et al. (2006)</a> noted that both patients had severe dental decay with bacterial periodontitis. One patient had recurrent skin abscesses and the other had 2 episodes of pneumonia. Neither had prolonged bleeding, although both had thrombocytopenia and splenomegaly. Immunologic studies by <a href="#6" class="mim-tip-reference" title="Jung, J., Bohn, G., Allroth, A., Boztug, K., Brandes, G., Sandrock, I., Schaffer, A. A., Rathinam, C., Kollner, I., Beger, C., Schilke, R., Welte, K., Grimbacher, B., Klein, C. &lt;strong&gt;Identification of a homozygous deletion in the AP3B1 gene causing Hermansky-Pudlak syndrome, type 2.&lt;/strong&gt; Blood 108: 362-369, 2006.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/16537806/&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;16537806&lt;/a&gt;, &lt;a href=&quot;https://www.ncbi.nlm.nih.gov/pmc/?term=16537806[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/10.1182/blood-2005-11-4377&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="16537806">Jung et al. (2006)</a> detected no functional neutrophil aberrations despite ultrastructural changes suggestive of aberrant vesicular maturation. However, natural killer (NK) cells were decreased. <a href="https://pubmed.ncbi.nlm.nih.gov/?term=16537806+8042664" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})"><span class="glyphicon glyphicon-plus-sign mim-tip-hint" title="Click this 'reference-plus' icon to see articles related to this paragraph in PubMed."></span></a></p><p><a href="#5" class="mim-tip-reference" title="Huizing, M., Scher, C. D., Strovel, E., Fitzpatrick, D. L., Hartnell, L. M., Anikster, Y., Gahl, W. A. &lt;strong&gt;Nonsense mutations in ADTB3A cause complete deficiency of the beta-3A subunit of adaptor complex-3 and severe Hermansky-Pudlak syndrome type 2.&lt;/strong&gt; Pediat. Res. 51: 150-158, 2002.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/11809908/&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;11809908&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1203/00006450-200202000-00006&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="11809908">Huizing et al. (2002)</a> reported a 5-year-old boy of Native American ancestry who had oculocutaneous albinism, recurrent infections, hepatosplenomegaly, neutropenia, and thrombocytopenia. He presented during the first year of life with severe respiratory infections and neutropenia. Recurrent respiratory infections resulted in nonspecific interstitial pneumonitis. He had dysmorphic facies with epicanthal folds, low-set and posteriorly rotated ears, broad nasal root, long philtrum, retrognathia, and thin upper lip. He also had mild developmental delay, bilateral mild conductive hearing loss, and nystagmus. Laboratory studies showed an absence of dense bodies in the patient's platelets. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=11809908" 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="Enders, A., Zieger, B., Schwarz, K., Yoshimi, A., Speckmann, C., Knoepfle, E.-M., Kontny, U., Muller, C., Nurden, A., Rohr, J., Henschen, M., Pannicke, U., Niemeyer, C., Nurden, P., Ehl, S. &lt;strong&gt;Lethal hemophagocytic lymphohistiocytosis in Hermansky-Pudlak syndrome type II.&lt;/strong&gt; Blood 108: 81-87, 2006.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/16551969/&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;16551969&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1182/blood-2005-11-4413&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="16551969">Enders et al. (2006)</a> reported a 2-year-old patient with oculocutaneous albinism and immunodeficiency originally thought to have Griscelli syndrome type 2 (<a href="/entry/607624">607624</a>). Genetic analysis identified a homozygous mutation in the AP3B1 gene (<a href="/entry/603401#0006">603401.0006</a>). During preparation for hematopoietic stem cell transplantation, the patient was found to have neutropenia, disturbed platelet aggregation, reduced platelet dense granules, and impaired platelet degranulation. Stem cell transplant was withheld, and granulocyte-colony-stimulating factor (GCSF; <a href="/entry/138970">138970</a>) therapy was initiated, thereby preventing further bacterial infections. At 3 years of age, the patient developed therapy-resistant fulminant hemophagocytic lymphohistiocytosis (see HLH, <a href="/entry/267700">267700</a>). <a href="#3" class="mim-tip-reference" title="Enders, A., Zieger, B., Schwarz, K., Yoshimi, A., Speckmann, C., Knoepfle, E.-M., Kontny, U., Muller, C., Nurden, A., Rohr, J., Henschen, M., Pannicke, U., Niemeyer, C., Nurden, P., Ehl, S. &lt;strong&gt;Lethal hemophagocytic lymphohistiocytosis in Hermansky-Pudlak syndrome type II.&lt;/strong&gt; Blood 108: 81-87, 2006.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/16551969/&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;16551969&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1182/blood-2005-11-4413&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="16551969">Enders et al. (2006)</a> suggested that the genetic defect in this child may have predisposed to the development of HLH and concluded that HPS2 belongs to the group of familial hemophagocytic syndromes and may represent an indication for hematopoietic stem cell transplant. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=16551969" 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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<strong>Inheritance</strong>
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<p>The transmission pattern of Hermansky-Pudlak syndrome in the family reported by <a href="#7" class="mim-tip-reference" title="Kotzot, D., Richter, K., Gierth-Fiebig, K. &lt;strong&gt;Oculocutaneous albinism, immunodeficiency, hematological disorders, and minor anomalies: a new autosomal recessive syndrome?&lt;/strong&gt; Am. J. Med. Genet. 50: 224-227, 1994.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/8042664/&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;8042664&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1002/ajmg.1320500303&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="8042664">Kotzot et al. (1994)</a> was consistent with autosomal recessive inheritance. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=8042664" 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="pathogenesis" class="mim-anchor"></a>
<h4 href="#mimPathogenesisFold" id="mimPathogenesisToggle" class="mimTriangleToggle" style="cursor: pointer;" data-toggle="collapse">
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<strong>Pathogenesis</strong>
</span>
</h4>
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<p>Adaptor protein-3 (AP3) is a ubiquitous cytoplasmic complex that shuttles cargo proteins from the trans-Golgi and a tubular-endosomal compartment to endosome-lysosome-related organelles. Lack of the beta-3A subunit of this complex causes Hermansky-Pudlak syndrome type 2 (<a href="#4" class="mim-tip-reference" title="Fontana, S., Parolini, S., Vermi, W., Booth, S., Gallo, F., Donini, M., Benassi, M., Gentili, F., Ferrari, D., Notarangelo, L. D., Cavadini, P., Marcenaro, E., Dusi, S., Cassatella, M., Facchetti, F., Griffins, G. M., Moretta, A., Notarangelo, L. D., Badolato, R. &lt;strong&gt;Innate immunity defects in Hermansky-Pudlak type 2 syndrome.&lt;/strong&gt; Blood 107: 4857-4864, 2006.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/16507770/&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;16507770&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1182/blood-2005-11-4398&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="16507770">Fontana et al., 2006</a>). <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=16507770" 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="Dell&#x27;Angelica, E. C., Shotelersuk, V., Aguilar, R. C., Gahl, W. A., Bonifacino, J. S. &lt;strong&gt;Altered trafficking of lysosomal proteins in Hermansky-Pudlak syndrome due to mutations in the beta-3A subunit of the AP-3 adaptor.&lt;/strong&gt; Molec. Cell 3: 11-21, 1999.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/10024875/&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;10024875&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1016/s1097-2765(00)80170-7&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="10024875">Dell'Angelica et al. (1999)</a> found that the fibroblasts of 2 brothers with HPS2 exhibited drastically reduced levels of AP3 due to enhanced degradation of mutant beta-3A. AP3 deficiency resulted in increased surface expression of the lysosomal membrane proteins CD63 (<a href="/entry/155740">155740</a>), LAMP1 (<a href="/entry/153330">153330</a>), and LAMP2 (<a href="/entry/309060">309060</a>), but not of nonlysosomal proteins. These differential effects were considered consistent with the preferential interaction of the AP3 mu-3A subunit with tyrosine-based signals involved in lysosomal targeting. <a href="#2" class="mim-tip-reference" title="Dell&#x27;Angelica, E. C., Shotelersuk, V., Aguilar, R. C., Gahl, W. A., Bonifacino, J. S. &lt;strong&gt;Altered trafficking of lysosomal proteins in Hermansky-Pudlak syndrome due to mutations in the beta-3A subunit of the AP-3 adaptor.&lt;/strong&gt; Molec. Cell 3: 11-21, 1999.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/10024875/&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;10024875&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1016/s1097-2765(00)80170-7&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="10024875">Dell'Angelica et al. (1999)</a> suggested that AP3 functions in protein sorting to lysosomes and that HPS provides an example of a human disease in which altered trafficking of integral membrane proteins is due to mutations in a component of the sorting machinery. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=10024875" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})"><span class="glyphicon glyphicon-plus-sign mim-tip-hint" title="Click this 'reference-plus' icon to see articles related to this paragraph in PubMed."></span></a></p><p><a href="#9" class="mim-tip-reference" title="Sugita, M., Cao, X., Watts, G. F. M., Rogers, R. A., Bonifacino, J. S., Brenner, M. B. &lt;strong&gt;Failure of trafficking and antigen presentation by CD1 in AP-3-deficient cells.&lt;/strong&gt; Immunity 16: 697-706, 2002.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/12049721/&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;12049721&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1016/s1074-7613(02)00311-4&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="12049721">Sugita et al. (2002)</a> showed that CD1B (<a href="/entry/188360">188360</a>), but not other CD1 isoforms, binds the AP3 adaptor protein complex. In AP3-deficient cells from patients with HPS2, CD1B failed to gain access to lysosomes efficiently and was mislocalized to the plasma membrane and early endosomes. The failure in CD1B trafficking resulted in a profound failure to present microbial lipid antigens efficiently. Since MHC class II traffics normally in AP3-deficient cells, <a href="#9" class="mim-tip-reference" title="Sugita, M., Cao, X., Watts, G. F. M., Rogers, R. A., Bonifacino, J. S., Brenner, M. B. &lt;strong&gt;Failure of trafficking and antigen presentation by CD1 in AP-3-deficient cells.&lt;/strong&gt; Immunity 16: 697-706, 2002.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/12049721/&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;12049721&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1016/s1074-7613(02)00311-4&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="12049721">Sugita et al. (2002)</a> proposed that defects in CD1B antigen presentation may account for the recurrent bacterial infections in HPS2 patients. They concluded that there is an AP3-dependent pathway for antigen presentation by CD1B molecules. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=12049721" 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>By studying CD8 (see <a href="/entry/186910">186910</a>)-positive cytotoxic T lymphocytes (CTLs) from an HPS2 patient, <a href="#1" class="mim-tip-reference" title="Clark, R. H., Stinchcombe, J. C., Day, A., Blott, E., Booth, S., Bossi, G., Hamblin, T., Davies, E. G., Griffiths, G. M. &lt;strong&gt;Adaptor protein 3-dependent microtubule-mediated movement of lytic granules to the immunological synapse.&lt;/strong&gt; Nature Immun. 4: 1111-1120, 2003.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/14566336/&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;14566336&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1038/ni1000&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="14566336">Clark et al. (2003)</a> determined that AP3 deficiency results in loss of microtubule-mediated movement of enlarged perforin- and granzyme-containing lytic granules toward the immunologic synapse and a profound loss of CTL-mediated killing. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=14566336" 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 previously unreported sibs affected by HPS2, <a href="#4" class="mim-tip-reference" title="Fontana, S., Parolini, S., Vermi, W., Booth, S., Gallo, F., Donini, M., Benassi, M., Gentili, F., Ferrari, D., Notarangelo, L. D., Cavadini, P., Marcenaro, E., Dusi, S., Cassatella, M., Facchetti, F., Griffins, G. M., Moretta, A., Notarangelo, L. D., Badolato, R. &lt;strong&gt;Innate immunity defects in Hermansky-Pudlak type 2 syndrome.&lt;/strong&gt; Blood 107: 4857-4864, 2006.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/16507770/&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;16507770&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1182/blood-2005-11-4398&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="16507770">Fontana et al. (2006)</a> observed a dramatic reduction of cytolytic activity of freshly isolated and of IL2-activated natural killer cells. Levels of perforin (<a href="/entry/170280">170280</a>) were reduced in unstimulated NK cells, thereby accounting for the impairment of NK cytolytic activity. In addition, analysis of neutrophils in these patients demonstrated that intracellular elastase content was largely reduced, whereas CD63 expression on plasma membrane was substantially increased. Taken together, these observations suggested that type 2 Hermansky-Pudlak syndrome is characterized by defects of innate immunity. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=16507770" 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><a href="#2" class="mim-tip-reference" title="Dell&#x27;Angelica, E. C., Shotelersuk, V., Aguilar, R. C., Gahl, W. A., Bonifacino, J. S. &lt;strong&gt;Altered trafficking of lysosomal proteins in Hermansky-Pudlak syndrome due to mutations in the beta-3A subunit of the AP-3 adaptor.&lt;/strong&gt; Molec. Cell 3: 11-21, 1999.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/10024875/&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;10024875&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1016/s1097-2765(00)80170-7&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="10024875">Dell'Angelica et al. (1999)</a> identified mutations in the AP3B1 gene (<a href="/entry/603401#0001">603401.0001</a>-<a href="/entry/603401#0002">603401.0002</a>) in 2 brothers with HPS2. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=10024875" 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 patient with a severe form of HPS2, <a href="#5" class="mim-tip-reference" title="Huizing, M., Scher, C. D., Strovel, E., Fitzpatrick, D. L., Hartnell, L. M., Anikster, Y., Gahl, W. A. &lt;strong&gt;Nonsense mutations in ADTB3A cause complete deficiency of the beta-3A subunit of adaptor complex-3 and severe Hermansky-Pudlak syndrome type 2.&lt;/strong&gt; Pediat. Res. 51: 150-158, 2002.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/11809908/&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;11809908&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1203/00006450-200202000-00006&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="11809908">Huizing et al. (2002)</a> identified compound heterozygosity for 2 nonsense mutations in the AP3B1 gene (<a href="/entry/603401#0007">603401.0007</a>; <a href="/entry/603401#0008">603401.0008</a>). Northern blot analysis detected no AP3B1 mRNA transcript, consistent with nonsense-mediated mRNA decay. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=11809908" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})"><span class="glyphicon glyphicon-plus-sign mim-tip-hint" title="Click this 'reference-plus' icon to see articles related to this paragraph in PubMed."></span></a></p><p><a href="#1" class="mim-tip-reference" title="Clark, R. H., Stinchcombe, J. C., Day, A., Blott, E., Booth, S., Bossi, G., Hamblin, T., Davies, E. G., Griffiths, G. M. &lt;strong&gt;Adaptor protein 3-dependent microtubule-mediated movement of lytic granules to the immunological synapse.&lt;/strong&gt; Nature Immun. 4: 1111-1120, 2003.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/14566336/&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;14566336&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1038/ni1000&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="14566336">Clark et al. (2003)</a> found that CD8-positive CTLs from an immunodeficient HPS patient lacked the beta-3A, gamma, and mu-3A subunits of AP3, consistent with HPS2. By PCR analysis, they identified compound heterozygosity for mutations in the AP3B1 gene (see <a href="/entry/603401#0003">603401.0003</a>). <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=14566336" 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 Turkish patients with HPS2 from a large consanguineous family originally reported by <a href="#7" class="mim-tip-reference" title="Kotzot, D., Richter, K., Gierth-Fiebig, K. &lt;strong&gt;Oculocutaneous albinism, immunodeficiency, hematological disorders, and minor anomalies: a new autosomal recessive syndrome?&lt;/strong&gt; Am. J. Med. Genet. 50: 224-227, 1994.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/8042664/&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;8042664&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1002/ajmg.1320500303&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="8042664">Kotzot et al. (1994)</a>, <a href="#6" class="mim-tip-reference" title="Jung, J., Bohn, G., Allroth, A., Boztug, K., Brandes, G., Sandrock, I., Schaffer, A. A., Rathinam, C., Kollner, I., Beger, C., Schilke, R., Welte, K., Grimbacher, B., Klein, C. &lt;strong&gt;Identification of a homozygous deletion in the AP3B1 gene causing Hermansky-Pudlak syndrome, type 2.&lt;/strong&gt; Blood 108: 362-369, 2006.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/16537806/&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;16537806&lt;/a&gt;, &lt;a href=&quot;https://www.ncbi.nlm.nih.gov/pmc/?term=16537806[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/10.1182/blood-2005-11-4377&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="16537806">Jung et al. (2006)</a> identified a homozygous deletion in the AP3B1 gene (<a href="/entry/603401#0005">603401.0005</a>). <a href="https://pubmed.ncbi.nlm.nih.gov/?term=16537806+8042664" 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="nomenclature" class="mim-anchor"></a>
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<strong>Nomenclature</strong>
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<p>In a review of the trafficking of organellar-specific proteins to melanosomes, lysosomes, and cytoplasmic granules, <a href="#8" class="mim-tip-reference" title="Spritz, R. A. &lt;strong&gt;Multi-organellar disorders of pigmentation: tied up in traffic.&lt;/strong&gt; Clin. Genet. 55: 309-317, 1999.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/10422800/&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;10422800&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1034/j.1399-0004.1999.550503.x&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="10422800">Spritz (1999)</a> proposed that HPS due to mutations in the AP3B1 gene be named HPS2 and the original syndrome be called HPS1. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=10422800" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})"><span class="glyphicon glyphicon-plus-sign mim-tip-hint" title="Click this 'reference-plus' icon to see articles related to this paragraph in PubMed."></span></a></p>
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<a id="references"class="mim-anchor"></a>
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<strong>REFERENCES</strong>
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<a id="Clark2003" class="mim-anchor"></a>
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Clark, R. H., Stinchcombe, J. C., Day, A., Blott, E., Booth, S., Bossi, G., Hamblin, T., Davies, E. G., Griffiths, G. M.
<strong>Adaptor protein 3-dependent microtubule-mediated movement of lytic granules to the immunological synapse.</strong>
Nature Immun. 4: 1111-1120, 2003.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/14566336/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">14566336</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=14566336" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">related citations</a>]
[<a href="https://doi.org/10.1038/ni1000" target="_blank">Full Text</a>]
</p>
</div>
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<li>
<a id="2" class="mim-anchor"></a>
<a id="Dell&#x27;Angelica1999" class="mim-anchor"></a>
<div class="">
<p class="mim-text-font">
Dell'Angelica, E. C., Shotelersuk, V., Aguilar, R. C., Gahl, W. A., Bonifacino, J. S.
<strong>Altered trafficking of lysosomal proteins in Hermansky-Pudlak syndrome due to mutations in the beta-3A subunit of the AP-3 adaptor.</strong>
Molec. Cell 3: 11-21, 1999.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/10024875/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">10024875</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=10024875" 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/s1097-2765(00)80170-7" target="_blank">Full Text</a>]
</p>
</div>
</li>
<li>
<a id="3" class="mim-anchor"></a>
<a id="Enders2006" class="mim-anchor"></a>
<div class="">
<p class="mim-text-font">
Enders, A., Zieger, B., Schwarz, K., Yoshimi, A., Speckmann, C., Knoepfle, E.-M., Kontny, U., Muller, C., Nurden, A., Rohr, J., Henschen, M., Pannicke, U., Niemeyer, C., Nurden, P., Ehl, S.
<strong>Lethal hemophagocytic lymphohistiocytosis in Hermansky-Pudlak syndrome type II.</strong>
Blood 108: 81-87, 2006.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/16551969/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">16551969</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=16551969" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">related citations</a>]
[<a href="https://doi.org/10.1182/blood-2005-11-4413" target="_blank">Full Text</a>]
</p>
</div>
</li>
<li>
<a id="4" class="mim-anchor"></a>
<a id="Fontana2006" class="mim-anchor"></a>
<div class="">
<p class="mim-text-font">
Fontana, S., Parolini, S., Vermi, W., Booth, S., Gallo, F., Donini, M., Benassi, M., Gentili, F., Ferrari, D., Notarangelo, L. D., Cavadini, P., Marcenaro, E., Dusi, S., Cassatella, M., Facchetti, F., Griffins, G. M., Moretta, A., Notarangelo, L. D., Badolato, R.
<strong>Innate immunity defects in Hermansky-Pudlak type 2 syndrome.</strong>
Blood 107: 4857-4864, 2006.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/16507770/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">16507770</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=16507770" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">related citations</a>]
[<a href="https://doi.org/10.1182/blood-2005-11-4398" target="_blank">Full Text</a>]
</p>
</div>
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<a id="5" class="mim-anchor"></a>
<a id="Huizing2002" class="mim-anchor"></a>
<div class="">
<p class="mim-text-font">
Huizing, M., Scher, C. D., Strovel, E., Fitzpatrick, D. L., Hartnell, L. M., Anikster, Y., Gahl, W. A.
<strong>Nonsense mutations in ADTB3A cause complete deficiency of the beta-3A subunit of adaptor complex-3 and severe Hermansky-Pudlak syndrome type 2.</strong>
Pediat. Res. 51: 150-158, 2002.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/11809908/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">11809908</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=11809908" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">related citations</a>]
[<a href="https://doi.org/10.1203/00006450-200202000-00006" target="_blank">Full Text</a>]
</p>
</div>
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<a id="6" class="mim-anchor"></a>
<a id="Jung2006" class="mim-anchor"></a>
<div class="">
<p class="mim-text-font">
Jung, J., Bohn, G., Allroth, A., Boztug, K., Brandes, G., Sandrock, I., Schaffer, A. A., Rathinam, C., Kollner, I., Beger, C., Schilke, R., Welte, K., Grimbacher, B., Klein, C.
<strong>Identification of a homozygous deletion in the AP3B1 gene causing Hermansky-Pudlak syndrome, type 2.</strong>
Blood 108: 362-369, 2006.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/16537806/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">16537806</a>, <a href="https://www.ncbi.nlm.nih.gov/pmc/?term=16537806[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=16537806" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">related citations</a>]
[<a href="https://doi.org/10.1182/blood-2005-11-4377" target="_blank">Full Text</a>]
</p>
</div>
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<a id="7" class="mim-anchor"></a>
<a id="Kotzot1994" class="mim-anchor"></a>
<div class="">
<p class="mim-text-font">
Kotzot, D., Richter, K., Gierth-Fiebig, K.
<strong>Oculocutaneous albinism, immunodeficiency, hematological disorders, and minor anomalies: a new autosomal recessive syndrome?</strong>
Am. J. Med. Genet. 50: 224-227, 1994.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/8042664/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">8042664</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=8042664" 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.1320500303" target="_blank">Full Text</a>]
</p>
</div>
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<li>
<a id="8" class="mim-anchor"></a>
<a id="Spritz1999" class="mim-anchor"></a>
<div class="">
<p class="mim-text-font">
Spritz, R. A.
<strong>Multi-organellar disorders of pigmentation: tied up in traffic.</strong>
Clin. Genet. 55: 309-317, 1999.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/10422800/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">10422800</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=10422800" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">related citations</a>]
[<a href="https://doi.org/10.1034/j.1399-0004.1999.550503.x" target="_blank">Full Text</a>]
</p>
</div>
</li>
<li>
<a id="9" class="mim-anchor"></a>
<a id="Sugita2002" class="mim-anchor"></a>
<div class="">
<p class="mim-text-font">
Sugita, M., Cao, X., Watts, G. F. M., Rogers, R. A., Bonifacino, J. S., Brenner, M. B.
<strong>Failure of trafficking and antigen presentation by CD1 in AP-3-deficient cells.</strong>
Immunity 16: 697-706, 2002.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/12049721/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">12049721</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=12049721" 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/s1074-7613(02)00311-4" target="_blank">Full Text</a>]
</p>
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<div>
<a id="contributors" class="mim-anchor"></a>
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Cassandra L. Kniffin - updated : 10/3/2006
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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">
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Victor A. McKusick - updated : 9/28/2006<br>Paul J. Converse - updated : 11/7/2003
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Victor A. McKusick : 11/7/2003
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carol : 06/09/2017
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carol : 11/26/2014<br>alopez : 7/1/2011<br>alopez : 7/1/2011<br>carol : 10/3/2006<br>ckniffin : 10/3/2006<br>carol : 10/3/2006<br>ckniffin : 10/3/2006<br>terry : 9/28/2006<br>carol : 11/7/2003<br>alopez : 11/7/2003<br>mgross : 11/7/2003<br>mgross : 11/7/2003
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<h3>
<span class="mim-font">
<strong>#</strong> 608233
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<h3>
<span class="mim-font">
HERMANSKY-PUDLAK SYNDROME 2; HPS2
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<strong>ORPHA:</strong> 183678, 79430; &nbsp;
<strong>DO:</strong> 0060540; &nbsp;
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<h4>
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<strong>Phenotype-Gene Relationships</strong>
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<table class="table table-bordered table-condensed small mim-table-padding">
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Location
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Phenotype
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Phenotype <br /> MIM number
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Inheritance
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Phenotype <br /> mapping key
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Gene/Locus
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Gene/Locus <br /> MIM number
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5q14.1
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Hermansky-Pudlak syndrome 2
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608233
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Autosomal recessive
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3
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AP3B1
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603401
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<strong>TEXT</strong>
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<p>A number sign (#) is used with this entry because Hermansky-Pudlak syndrome-2 (HPS2) is caused by homozygous or compound heterozygous mutation in the gene encoding the beta-3A subunit of the AP3 complex (AP3B1; 603401) on chromosome 5q14.</p><p>For a general phenotypic description and a discussion of genetic heterogeneity of Hermansky-Pudlak syndrome, see HPS1 (203300).</p>
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<strong>Description</strong>
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<p>Hermansky-Pudlak syndrome (HPS) is a rare autosomal recessive disease characterized by platelet defects and oculocutaneous albinism. HPS2 differs from the other forms of HPS in that it includes immunodeficiency, and patients with HPS2 have an increased susceptibility to infections due to congenital neutropenia (Jung et al., 2006). </p>
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<strong>Clinical Features</strong>
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<p>Kotzot et al. (1994) reported a boy and girl with tyrosinase (TYR; 606933)-positive oculocutaneous albinism, recurrent bacterial infections, granulocytopenia, intermittent thrombocytopenia, microcephaly, protruding midface, rough and projecting hair, and mild mental retardation. The patients were first cousins born in a consanguineous Turkish family; the parents were related as first cousins in both cases, and all 4 parents had a number of common ancestors. In a follow-up of the patients reported by Kotzot et al. (1994), Jung et al. (2006) noted that both patients had severe dental decay with bacterial periodontitis. One patient had recurrent skin abscesses and the other had 2 episodes of pneumonia. Neither had prolonged bleeding, although both had thrombocytopenia and splenomegaly. Immunologic studies by Jung et al. (2006) detected no functional neutrophil aberrations despite ultrastructural changes suggestive of aberrant vesicular maturation. However, natural killer (NK) cells were decreased. </p><p>Huizing et al. (2002) reported a 5-year-old boy of Native American ancestry who had oculocutaneous albinism, recurrent infections, hepatosplenomegaly, neutropenia, and thrombocytopenia. He presented during the first year of life with severe respiratory infections and neutropenia. Recurrent respiratory infections resulted in nonspecific interstitial pneumonitis. He had dysmorphic facies with epicanthal folds, low-set and posteriorly rotated ears, broad nasal root, long philtrum, retrognathia, and thin upper lip. He also had mild developmental delay, bilateral mild conductive hearing loss, and nystagmus. Laboratory studies showed an absence of dense bodies in the patient's platelets. </p><p>Enders et al. (2006) reported a 2-year-old patient with oculocutaneous albinism and immunodeficiency originally thought to have Griscelli syndrome type 2 (607624). Genetic analysis identified a homozygous mutation in the AP3B1 gene (603401.0006). During preparation for hematopoietic stem cell transplantation, the patient was found to have neutropenia, disturbed platelet aggregation, reduced platelet dense granules, and impaired platelet degranulation. Stem cell transplant was withheld, and granulocyte-colony-stimulating factor (GCSF; 138970) therapy was initiated, thereby preventing further bacterial infections. At 3 years of age, the patient developed therapy-resistant fulminant hemophagocytic lymphohistiocytosis (see HLH, 267700). Enders et al. (2006) suggested that the genetic defect in this child may have predisposed to the development of HLH and concluded that HPS2 belongs to the group of familial hemophagocytic syndromes and may represent an indication for hematopoietic stem cell transplant. </p>
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<div>
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</div>
<div>
<h4>
<span class="mim-font">
<strong>Inheritance</strong>
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</h4>
</div>
<span class="mim-text-font">
<p>The transmission pattern of Hermansky-Pudlak syndrome in the family reported by Kotzot et al. (1994) was consistent with autosomal recessive inheritance. </p>
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<h4>
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<strong>Pathogenesis</strong>
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</h4>
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<p>Adaptor protein-3 (AP3) is a ubiquitous cytoplasmic complex that shuttles cargo proteins from the trans-Golgi and a tubular-endosomal compartment to endosome-lysosome-related organelles. Lack of the beta-3A subunit of this complex causes Hermansky-Pudlak syndrome type 2 (Fontana et al., 2006). </p><p>Dell'Angelica et al. (1999) found that the fibroblasts of 2 brothers with HPS2 exhibited drastically reduced levels of AP3 due to enhanced degradation of mutant beta-3A. AP3 deficiency resulted in increased surface expression of the lysosomal membrane proteins CD63 (155740), LAMP1 (153330), and LAMP2 (309060), but not of nonlysosomal proteins. These differential effects were considered consistent with the preferential interaction of the AP3 mu-3A subunit with tyrosine-based signals involved in lysosomal targeting. Dell'Angelica et al. (1999) suggested that AP3 functions in protein sorting to lysosomes and that HPS provides an example of a human disease in which altered trafficking of integral membrane proteins is due to mutations in a component of the sorting machinery. </p><p>Sugita et al. (2002) showed that CD1B (188360), but not other CD1 isoforms, binds the AP3 adaptor protein complex. In AP3-deficient cells from patients with HPS2, CD1B failed to gain access to lysosomes efficiently and was mislocalized to the plasma membrane and early endosomes. The failure in CD1B trafficking resulted in a profound failure to present microbial lipid antigens efficiently. Since MHC class II traffics normally in AP3-deficient cells, Sugita et al. (2002) proposed that defects in CD1B antigen presentation may account for the recurrent bacterial infections in HPS2 patients. They concluded that there is an AP3-dependent pathway for antigen presentation by CD1B molecules. </p><p>By studying CD8 (see 186910)-positive cytotoxic T lymphocytes (CTLs) from an HPS2 patient, Clark et al. (2003) determined that AP3 deficiency results in loss of microtubule-mediated movement of enlarged perforin- and granzyme-containing lytic granules toward the immunologic synapse and a profound loss of CTL-mediated killing. </p><p>In 2 previously unreported sibs affected by HPS2, Fontana et al. (2006) observed a dramatic reduction of cytolytic activity of freshly isolated and of IL2-activated natural killer cells. Levels of perforin (170280) were reduced in unstimulated NK cells, thereby accounting for the impairment of NK cytolytic activity. In addition, analysis of neutrophils in these patients demonstrated that intracellular elastase content was largely reduced, whereas CD63 expression on plasma membrane was substantially increased. Taken together, these observations suggested that type 2 Hermansky-Pudlak syndrome is characterized by defects of innate immunity. </p>
</span>
<div>
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<div>
<h4>
<span class="mim-font">
<strong>Molecular Genetics</strong>
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<p>Dell'Angelica et al. (1999) identified mutations in the AP3B1 gene (603401.0001-603401.0002) in 2 brothers with HPS2. </p><p>In a patient with a severe form of HPS2, Huizing et al. (2002) identified compound heterozygosity for 2 nonsense mutations in the AP3B1 gene (603401.0007; 603401.0008). Northern blot analysis detected no AP3B1 mRNA transcript, consistent with nonsense-mediated mRNA decay. </p><p>Clark et al. (2003) found that CD8-positive CTLs from an immunodeficient HPS patient lacked the beta-3A, gamma, and mu-3A subunits of AP3, consistent with HPS2. By PCR analysis, they identified compound heterozygosity for mutations in the AP3B1 gene (see 603401.0003). </p><p>In 2 Turkish patients with HPS2 from a large consanguineous family originally reported by Kotzot et al. (1994), Jung et al. (2006) identified a homozygous deletion in the AP3B1 gene (603401.0005). </p>
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<h4>
<span class="mim-font">
<strong>Nomenclature</strong>
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<p>In a review of the trafficking of organellar-specific proteins to melanosomes, lysosomes, and cytoplasmic granules, Spritz (1999) proposed that HPS due to mutations in the AP3B1 gene be named HPS2 and the original syndrome be called HPS1. </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">
Clark, R. H., Stinchcombe, J. C., Day, A., Blott, E., Booth, S., Bossi, G., Hamblin, T., Davies, E. G., Griffiths, G. M.
<strong>Adaptor protein 3-dependent microtubule-mediated movement of lytic granules to the immunological synapse.</strong>
Nature Immun. 4: 1111-1120, 2003.
[PubMed: 14566336]
[Full Text: https://doi.org/10.1038/ni1000]
</p>
</li>
<li>
<p class="mim-text-font">
Dell'Angelica, E. C., Shotelersuk, V., Aguilar, R. C., Gahl, W. A., Bonifacino, J. S.
<strong>Altered trafficking of lysosomal proteins in Hermansky-Pudlak syndrome due to mutations in the beta-3A subunit of the AP-3 adaptor.</strong>
Molec. Cell 3: 11-21, 1999.
[PubMed: 10024875]
[Full Text: https://doi.org/10.1016/s1097-2765(00)80170-7]
</p>
</li>
<li>
<p class="mim-text-font">
Enders, A., Zieger, B., Schwarz, K., Yoshimi, A., Speckmann, C., Knoepfle, E.-M., Kontny, U., Muller, C., Nurden, A., Rohr, J., Henschen, M., Pannicke, U., Niemeyer, C., Nurden, P., Ehl, S.
<strong>Lethal hemophagocytic lymphohistiocytosis in Hermansky-Pudlak syndrome type II.</strong>
Blood 108: 81-87, 2006.
[PubMed: 16551969]
[Full Text: https://doi.org/10.1182/blood-2005-11-4413]
</p>
</li>
<li>
<p class="mim-text-font">
Fontana, S., Parolini, S., Vermi, W., Booth, S., Gallo, F., Donini, M., Benassi, M., Gentili, F., Ferrari, D., Notarangelo, L. D., Cavadini, P., Marcenaro, E., Dusi, S., Cassatella, M., Facchetti, F., Griffins, G. M., Moretta, A., Notarangelo, L. D., Badolato, R.
<strong>Innate immunity defects in Hermansky-Pudlak type 2 syndrome.</strong>
Blood 107: 4857-4864, 2006.
[PubMed: 16507770]
[Full Text: https://doi.org/10.1182/blood-2005-11-4398]
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Huizing, M., Scher, C. D., Strovel, E., Fitzpatrick, D. L., Hartnell, L. M., Anikster, Y., Gahl, W. A.
<strong>Nonsense mutations in ADTB3A cause complete deficiency of the beta-3A subunit of adaptor complex-3 and severe Hermansky-Pudlak syndrome type 2.</strong>
Pediat. Res. 51: 150-158, 2002.
[PubMed: 11809908]
[Full Text: https://doi.org/10.1203/00006450-200202000-00006]
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Jung, J., Bohn, G., Allroth, A., Boztug, K., Brandes, G., Sandrock, I., Schaffer, A. A., Rathinam, C., Kollner, I., Beger, C., Schilke, R., Welte, K., Grimbacher, B., Klein, C.
<strong>Identification of a homozygous deletion in the AP3B1 gene causing Hermansky-Pudlak syndrome, type 2.</strong>
Blood 108: 362-369, 2006.
[PubMed: 16537806]
[Full Text: https://doi.org/10.1182/blood-2005-11-4377]
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<p class="mim-text-font">
Kotzot, D., Richter, K., Gierth-Fiebig, K.
<strong>Oculocutaneous albinism, immunodeficiency, hematological disorders, and minor anomalies: a new autosomal recessive syndrome?</strong>
Am. J. Med. Genet. 50: 224-227, 1994.
[PubMed: 8042664]
[Full Text: https://doi.org/10.1002/ajmg.1320500303]
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<p class="mim-text-font">
Spritz, R. A.
<strong>Multi-organellar disorders of pigmentation: tied up in traffic.</strong>
Clin. Genet. 55: 309-317, 1999.
[PubMed: 10422800]
[Full Text: https://doi.org/10.1034/j.1399-0004.1999.550503.x]
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<li>
<p class="mim-text-font">
Sugita, M., Cao, X., Watts, G. F. M., Rogers, R. A., Bonifacino, J. S., Brenner, M. B.
<strong>Failure of trafficking and antigen presentation by CD1 in AP-3-deficient cells.</strong>
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