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Entry
- #614116 - NEUROPATHY, HEREDITARY SENSORY, TYPE IE; HSN1E
- OMIM
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<span class="h4">#614116</span>
<br />
<strong>Table of Contents</strong>
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<a href="#title"><strong>Title</strong></a>
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<a href="#phenotypeMap"><strong>Phenotype-Gene Relationships</strong></a>
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<a href="/clinicalSynopsis/614116"><strong>Clinical Synopsis</strong></a>
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<a href="/phenotypicSeries/PS162400"> <strong>Phenotypic Series</strong> </a>
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<a href="#text"><strong>Text</strong></a>
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<a href="#description">Description</a>
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<a href="#clinicalFeatures">Clinical Features</a>
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<li role="presentation" style="margin-left: 1em">
<a href="#inheritance">Inheritance</a>
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<li role="presentation" style="margin-left: 1em">
<a href="#molecularGenetics">Molecular Genetics</a>
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<a href="#references"><strong>References</strong></a>
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<a href="#contributors"><strong>Contributors</strong></a>
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<a href="#creationDate"><strong>Creation Date</strong></a>
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<div><a href="https://clinicaltrials.gov/search?cond=NEUROPATHY, HEREDITARY SENSORY, TYPE IE" 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.ncbi.nlm.nih.gov/books/NBK1358/" title="Charcot-Marie-Tooth Hereditary Neuropathy Overview" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'Gene Reviews', 'domain': 'ncbi.nlm.nih.gov'})">Charcot-Marie-Tooth Heredi…</a></div><div style="margin-left: 0.5em;"><a href="https://www.ncbi.nlm.nih.gov/books/NBK84112/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'Gene Reviews', 'domain': 'ncbi.nlm.nih.gov'})">DNMT1-Related Disorder</a></div>
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<div id="mimAnimalModelsLinksFold" class="panel-collapse collapse mimLinksFold" role="tabpanel">
<div class="panel-body small mim-panel-body">
<div><a href="https://www.alliancegenome.org/disease/DOID:0070158" 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/614116" class="mim-tip-hint" title="Phenotypes, alleles, and disease models from Mouse Genome Informatics." target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'MGI Mouse Phenotype', 'domain': 'informatics.jax.org'})">MGI Mouse Phenotype</a></div>
</div>
</div>
</div>
</div>
</div>
</div>
<span>
<span class="mim-tip-bottom" qtip_title="<strong>Looking for this gene or this phenotype in other resources?</strong>" qtip_text="Select a related resource from the dropdown menu and click for a targeted link to information directly relevant.">
&nbsp;
</span>
</span>
</div>
<div class="col-lg-8 col-lg-pull-2 col-md-8 col-md-pull-2 col-sm-8 col-sm-pull-2 col-xs-12">
<div>
<a id="title" class="mim-anchor"></a>
<div>
<a id="number" class="mim-anchor"></a>
<div class="text-right">
<a href="#" class="mim-tip-icd" qtip_title="<strong>ICD+</strong>" qtip_text="
<strong>SNOMEDCT:</strong> 860812002<br />
<strong>ORPHA:</strong> 456318<br />
<strong>DO:</strong> 0070158<br />
">ICD+</a>
</div>
<div>
<span class="h3">
<span class="mim-font mim-tip-hint" title="Phenotype description, molecular basis known">
<span class="text-danger"><strong>#</strong></span>
614116
</span>
</span>
</div>
</div>
<div>
<a id="preferredTitle" class="mim-anchor"></a>
<h3>
<span class="mim-font">
NEUROPATHY, HEREDITARY SENSORY, TYPE IE; HSN1E
</span>
</h3>
</div>
<div>
<br />
</div>
<div>
<a id="alternativeTitles" class="mim-anchor"></a>
<div>
<p>
<span class="mim-font">
<em>Alternative titles; symbols</em>
</span>
</p>
</div>
<div>
<h4>
<span class="mim-font">
HSN IE<br />
NEUROPATHY, HEREDITARY SENSORY, WITH HEARING LOSS AND DEMENTIA
</span>
</h4>
</div>
</div>
<div>
<br />
</div>
</div>
<div>
<a id="phenotypeMap" class="mim-anchor"></a>
<h4>
<span class="mim-font">
<strong>Phenotype-Gene Relationships</strong>
</span>
</h4>
<div>
<table class="table table-bordered table-condensed table-hover small mim-table-padding">
<thead>
<tr class="active">
<th>
Location
</th>
<th>
Phenotype
</th>
<th>
Phenotype <br /> MIM number
</th>
<th>
Inheritance
</th>
<th>
Phenotype <br /> mapping key
</th>
<th>
Gene/Locus
</th>
<th>
Gene/Locus <br /> MIM number
</th>
</tr>
</thead>
<tbody>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/19/260?start=-3&limit=10&highlight=260">
19p13.2
</a>
</span>
</td>
<td>
<span class="mim-font">
Neuropathy, hereditary sensory, type IE
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/614116"> 614116 </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal dominant">AD</abbr>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="3 - The molecular basis of the disorder is known"> 3 </abbr>
</span>
</td>
<td>
<span class="mim-font">
DNMT1
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/126375"> 126375 </a>
</span>
</td>
</tr>
</tbody>
</table>
</div>
</div>
<div>
<div class="btn-group ">
<a href="/clinicalSynopsis/614116" class="btn btn-warning" role="button"> Clinical Synopsis </a>
<button type="button" id="mimPhenotypicSeriesToggle" class="btn btn-warning dropdown-toggle mimSingletonFoldToggle" data-toggle="collapse" href="#mimClinicalSynopsisFold" onclick="ga('send', 'event', 'Unfurl', 'ClinicalSynopsis', 'omim.org')">
<span class="caret"></span>
<span class="sr-only">Toggle Dropdown</span>
</button>
</div>
&nbsp;
<div class="btn-group">
<a href="/phenotypicSeries/PS162400" class="btn btn-info" role="button"> Phenotypic Series </a>
<button type="button" id="mimPhenotypicSeriesToggle" class="btn btn-info dropdown-toggle mimSingletonFoldToggle" data-toggle="collapse" href="#mimPhenotypicSeriesFold" onclick="ga('send', 'event', 'Unfurl', 'PhenotypicSeries', 'omim.org')">
<span class="caret"></span>
<span class="sr-only">Toggle Dropdown</span>
</button>
</div>
&nbsp;
<div class="btn-group">
<button type="button" class="btn btn-success dropdown-toggle" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
PheneGene Graphics <span class="caret"></span>
</button>
<ul class="dropdown-menu" style="width: 17em;">
<li><a href="/graph/linear/614116" target="_blank" onclick="gtag('event', 'mim_graph', {'destination': 'Linear'})"> Linear </a></li>
<li><a href="/graph/radial/614116" target="_blank" onclick="gtag('event', 'mim_graph', {'destination': 'Radial'})"> Radial </a></li>
</ul>
</div>
<span class="glyphicon glyphicon-question-sign mim-tip-hint" title="OMIM PheneGene graphics depict relationships between phenotypes, groups of related phenotypes (Phenotypic Series), and genes.<br /><a href='/static/omim/pdf/OMIM_Graphics.pdf' target='_blank'>A quick reference overview and guide (PDF)</a>"></span>
<div>
<p />
</div>
<div id="mimClinicalSynopsisFold" class="well well-sm collapse mimSingletonToggleFold">
<div class="small" style="margin: 5px">
<div>
<div>
<span class="h5 mim-font">
<strong> INHERITANCE </strong>
</span>
</div>
<div style="margin-left: 2em;">
<div>
<span class="mim-font">
- Autosomal dominant <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/263681008" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">263681008</a>, <a href="https://purl.bioontology.org/ontology/SNOMEDCT/771269000" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">771269000</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0443147&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0443147</a>, <a href="https://bioportal.bioontology.org/search?q=C1867440&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C1867440</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000006" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000006</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000006" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000006</a>]</span><br />
</span>
</div>
</div>
</div>
<div>
<div>
<span class="h5 mim-font">
<strong> HEAD & NECK </strong>
</span>
</div>
<div style="margin-left: 2em;">
<div>
<div>
<span class="h5 mim-font">
<em> Ears </em>
</span>
</div>
<div style="margin-left: 2em;">
<span class="mim-font">
- Hearing loss, sensorineural <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/60700002" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">60700002</a>]</span> <span class="mim-feature-ids hidden">[ICD10CM: <a href="https://purl.bioontology.org/ontology/ICD10CM/H90.5" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD10CM\', \'domain\': \'bioontology.org\'})">H90.5</a>]</span> <span class="mim-feature-ids hidden">[ICD9CM: <a href="https://purl.bioontology.org/ontology/ICD9CM/389.10" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD9CM\', \'domain\': \'bioontology.org\'})">389.10</a>, <a href="https://purl.bioontology.org/ontology/ICD9CM/389.1" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD9CM\', \'domain\': \'bioontology.org\'})">389.1</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0018784&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0018784</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000407" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000407</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000407" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000407</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> Feet </em>
</span>
</div>
<div style="margin-left: 2em;">
<span class="mim-font">
- Ulceration of the toes <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C3279894&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C3279894</a>]</span><br /> -
Osteomyelitis <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/60168000" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">60168000</a>]</span> <span class="mim-feature-ids hidden">[ICD10CM: <a href="https://purl.bioontology.org/ontology/ICD10CM/M86.9" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD10CM\', \'domain\': \'bioontology.org\'})">M86.9</a>, <a href="https://purl.bioontology.org/ontology/ICD10CM/M86" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD10CM\', \'domain\': \'bioontology.org\'})">M86</a>]</span> <span class="mim-feature-ids hidden">[ICD9CM: <a href="https://purl.bioontology.org/ontology/ICD9CM/730.2" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD9CM\', \'domain\': \'bioontology.org\'})">730.2</a>, <a href="https://purl.bioontology.org/ontology/ICD9CM/730.20" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD9CM\', \'domain\': \'bioontology.org\'})">730.20</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0029443&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0029443</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0002754" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0002754</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0002754" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0002754</a>]</span><br /> -
Amputation <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/81723002" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">81723002</a>, <a href="https://purl.bioontology.org/ontology/SNOMEDCT/129309007" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">129309007</a>, <a href="https://purl.bioontology.org/ontology/SNOMEDCT/58909005" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">58909005</a>]</span> <span class="mim-feature-ids hidden">[ICD9CM: <a href="https://purl.bioontology.org/ontology/ICD9CM/84.91" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD9CM\', \'domain\': \'bioontology.org\'})">84.91</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0002688&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0002688</a>, <a href="https://bioportal.bioontology.org/search?q=C1546539&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C1546539</a>, <a href="https://bioportal.bioontology.org/search?q=C0332840&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0332840</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">
- Memory impairment, progressive <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C3279886&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C3279886</a>]</span> <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/55533009" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">55533009</a>, <a href="https://purl.bioontology.org/ontology/SNOMEDCT/386807006" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">386807006</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0002354" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0002354</a>]</span><br /> -
Dementia, frontal lobe <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/278857002" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">278857002</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0338455&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0338455</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000727" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000727</a>]</span><br /> -
Decreased speech <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C3279887&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C3279887</a>]</span><br /> -
Cerebral atrophy <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/278849000" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">278849000</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0235946&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0235946</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0002059" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0002059</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0002059" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0002059</a>]</span><br /> -
Frontal lobe atrophy <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C3279888&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C3279888</a>]</span><br /> -
Hypometabolism of the frontal lobe and thalamic regions <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C3279889&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C3279889</a>]</span><br />
</span>
</div>
</div>
<div>
<div>
<span class="h5 mim-font">
<em> Peripheral Nervous System </em>
</span>
</div>
<div style="margin-left: 2em;">
<span class="mim-font">
- Sensory neuropathy affecting all modalities primarily affecting the lower limbs with some mild upper limb involvement <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C3279890&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C3279890</a>]</span><br /> -
Hyporeflexia <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/835279003" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">835279003</a>, <a href="https://purl.bioontology.org/ontology/SNOMEDCT/405946002" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">405946002</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0700078&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0700078</a>, <a href="https://bioportal.bioontology.org/search?q=C0151888&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0151888</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0001265" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0001265</a>, <a href="https://hpo.jax.org/app/browse/term/HP:0001315" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0001315</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0001265" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0001265</a>]</span><br /> -
Lancinating pains (2 patients) <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0948844&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0948844</a>]</span><br /> -
Almost complete loss of myelinated fibers seen on sural nerve biopsy <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C3279892&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C3279892</a>]</span><br /> -
Loss of unmyelinated fibers <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C3279893&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C3279893</a>]</span><br />
</span>
</div>
</div>
<div>
<div>
<span class="h5 mim-font">
<em> Behavioral Psychiatric Manifestations </em>
</span>
</div>
<div style="margin-left: 2em;">
<span class="mim-font">
- Apathy <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/20602000" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">20602000</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0436596&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0436596</a>, <a href="https://bioportal.bioontology.org/search?q=C0085632&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0085632</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000741" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000741</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000741" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000741</a>]</span><br /> -
Somnolence <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/271782001" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">271782001</a>, <a href="https://purl.bioontology.org/ontology/SNOMEDCT/79519003" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">79519003</a>]</span> <span class="mim-feature-ids hidden">[ICD10CM: <a href="https://purl.bioontology.org/ontology/ICD10CM/R40.0" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD10CM\', \'domain\': \'bioontology.org\'})">R40.0</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0013144&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0013144</a>, <a href="https://bioportal.bioontology.org/search?q=C2830004&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C2830004</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0002329" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0002329</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0002329" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0002329</a>]</span><br /> -
Impulsivity <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0021125&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0021125</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0100710" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0100710</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0100710" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0100710</a>]</span><br /> -
Irritability <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/55929007" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">55929007</a>]</span> <span class="mim-feature-ids hidden">[ICD9CM: <a href="https://purl.bioontology.org/ontology/ICD9CM/799.22" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD9CM\', \'domain\': \'bioontology.org\'})">799.22</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0022107&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0022107</a>, <a href="https://bioportal.bioontology.org/search?q=C2700617&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C2700617</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000737" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000737</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0000737" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0000737</a>]</span><br /> -
Distractibility <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/312008005" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">312008005</a>, <a href="https://purl.bioontology.org/ontology/SNOMEDCT/28102002" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">28102002</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0233415&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0233415</a>]</span><br /> -
Delirium <span class="mim-feature-ids hidden">[SNOMEDCT: <a href="https://purl.bioontology.org/ontology/SNOMEDCT/2776000" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">2776000</a>, <a href="https://purl.bioontology.org/ontology/SNOMEDCT/419567006" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'SNOMEDCT\', \'domain\': \'bioontology.org\'})">419567006</a>]</span> <span class="mim-feature-ids hidden">[ICD10CM: <a href="https://purl.bioontology.org/ontology/ICD10CM/R41.0" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'ICD10CM\', \'domain\': \'bioontology.org\'})">R41.0</a>]</span> <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C0011206&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C0011206</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0031258" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0031258</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0031258" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0031258</a>]</span><br />
</span>
</div>
</div>
</div>
</div>
<div>
<div>
<span class="h5 mim-font">
<strong> MISCELLANEOUS </strong>
</span>
</div>
<div style="margin-left: 2em;">
<div>
<span class="mim-font">
- Onset of peripheral neuropathy or hearing loss in young adulthood (range 16 to 35 years)<br /> -
Onset of dementia in the thirties or forties<br /> -
Progressive disorder <span class="mim-feature-ids hidden">[UMLS: <a href="https://bioportal.bioontology.org/search?q=C1864985&searchproperties=true" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'UMLS\', \'domain\': \'bioontology.org\'})">C1864985</a> HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0003676" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0003676</a>]</span> <span class="mim-feature-ids hidden">[HPO: <a href="https://hpo.jax.org/app/browse/term/HP:0003676" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'HPO\', \'domain\': \'hpo.jax.org\'})">HP:0003676</a>]</span><br /> -
Death in the fifth or sixth decade<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 DNA methyltransferase 1 gene (DNMT1, <a href="/entry/126375#0001">126375.0001</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>
Hereditary sensory and autonomic neuropathy
- <a href="/phenotypicSeries/PS162400">PS162400</a>
- 16 Entries
</h5>
</div>
</div>
<div class="row" style="margin-left: 0.125em; margin-right: 0.125em;">
<table class="table table-bordered table-condensed table-hover mim-table-padding">
<thead>
<tr>
<th class="col-lg-1 col-md-1 col-sm-1 col-xs-1 text-nowrap">
<strong>Location</strong>
</th>
<th class="col-lg-5 col-md-5 col-sm-5 col-xs-6 text-nowrap">
<strong>Phenotype</strong>
</th>
<th class="col-lg-1 col-md-1 col-sm-1 col-xs-1 text-nowrap">
<strong>Inheritance</strong>
</th>
<th class="col-lg-1 col-md-1 col-sm-1 col-xs-1 text-nowrap">
<strong>Phenotype<br />mapping key</strong>
</th>
<th class="col-lg-1 col-md-1 col-sm-1 col-xs-1 text-nowrap">
<strong>Phenotype<br />MIM number</strong>
</th>
<th class="col-lg-1 col-md-1 col-sm-1 col-xs-1 text-nowrap">
<strong>Gene/Locus</strong>
</th>
<th class="col-lg-1 col-md-1 col-sm-1 col-xs-1 text-nowrap">
<strong>Gene/Locus<br />MIM number</strong>
</th>
</tr>
</thead>
<tbody>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/1/949?start=-3&limit=10&highlight=949"> 1p13.2 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/608654"> Neuropathy, hereditary sensory and autonomic, type V </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/608654"> 608654 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/162030"> NGF </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/162030"> 162030 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/1/1269?start=-3&limit=10&highlight=1269"> 1q23.1 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/256800"> Insensitivity to pain, congenital, with anhidrosis </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/256800"> 256800 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/191315"> NTRK1 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/191315"> 191315 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/2/1177?start=-3&limit=10&highlight=1177"> 2q37.3 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/614213"> Neuropathy, hereditary sensory, type IIC </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/614213"> 614213 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/601255"> KIF1A </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/601255"> 601255 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/3/104?start=-3&limit=10&highlight=104"> 3p24-p22 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/608088"> Neuropathy, hereditary sensory, type IB </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal dominant">AD</abbr>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="2 - The disorder was placed on the map by statistical methods"> 2 </abbr>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/608088"> 608088 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/608088"> HSN1B </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/608088"> 608088 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/3/183?start=-3&limit=10&highlight=183"> 3p22.2 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/615548"> Neuropathy, hereditary sensory and autonomic, type VII </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal dominant">AD</abbr>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="3 - The molecular basis of the disorder is known"> 3 </abbr>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/615548"> 615548 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/604385"> SCN11A </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/604385"> 604385 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/5/67?start=-3&limit=10&highlight=67"> 5p15.1 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/613115"> Neuropathy, hereditary sensory and autonomic, type IIB </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/613115"> 613115 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/613114"> RETREG1 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/613114"> 613114 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/6/611?start=-3&limit=10&highlight=611"> 6p12.1 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/614653"> Neuropathy, hereditary sensory and autonomic, type VI </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/614653"> 614653 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/113810"> DST </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/113810"> 113810 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/9/301?start=-3&limit=10&highlight=301"> 9q22.31 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/162400"> Neuropathy, hereditary sensory and autonomic, type IA </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal dominant">AD</abbr>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="3 - The molecular basis of the disorder is known"> 3 </abbr>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/162400"> 162400 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/605712"> SPTLC1 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/605712"> 605712 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/9/397?start=-3&limit=10&highlight=397"> 9q31.3 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/223900"> Dysautonomia, familial </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/223900"> 223900 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/603722"> ELP1 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/603722"> 603722 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/9/579?start=-3&limit=10&highlight=579"> 9q34.12 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/616488"> Neuropathy, hereditary sensory and autonomic, type VIII </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/616488"> 616488 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/616458"> PRDM12 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/616458"> 616458 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/11/528?start=-3&limit=10&highlight=528"> 11q13.1 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/615632"> Neuropathy, hereditary sensory, type IF </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal dominant">AD</abbr>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="3 - The molecular basis of the disorder is known"> 3 </abbr>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/615632"> 615632 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/609369"> ATL3 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/609369"> 609369 </a>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
<a href="/geneMap/12/10?start=-3&limit=10&highlight=10"> 12p13.33 </a>
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/201300"> Neuropathy, hereditary sensory and autonomic, type II </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal recessive">AR</abbr>
</span>
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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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<a href="/entry/605232"> 605232 </a>
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<a href="/geneMap/14/225?start=-3&limit=10&highlight=225"> 14q22.1 </a>
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<a href="/entry/613708"> Neuropathy, hereditary sensory, type ID </a>
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<abbr class="mim-tip-hint" title="Autosomal dominant">AD</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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<a href="/entry/613708"> 613708 </a>
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<a href="/entry/606439"> ATL1 </a>
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<a href="/entry/606439"> 606439 </a>
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<a href="/geneMap/14/419?start=-3&limit=10&highlight=419"> 14q24.3 </a>
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<a href="/entry/613640"> Neuropathy, hereditary sensory and autonomic, type IC </a>
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<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal dominant">AD</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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<a href="/entry/613640"> 613640 </a>
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<a href="/entry/605713"> SPTLC2 </a>
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<a href="/entry/605713"> 605713 </a>
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<span class="mim-font">
<a href="/geneMap/14/564?start=-3&limit=10&highlight=564"> 14q32.31 </a>
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<span class="mim-font">
<a href="/entry/615031"> Neuropathy, hereditary sensory and autonomic, type IX, with developmental delay </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/615031"> 615031 </a>
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<span class="mim-font">
<a href="/entry/615000"> TECPR2 </a>
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<span class="mim-font">
<a href="/entry/615000"> 615000 </a>
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<span class="mim-font">
<a href="/geneMap/19/260?start=-3&limit=10&highlight=260"> 19p13.2 </a>
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<span class="mim-font">
<a href="/entry/614116"> Neuropathy, hereditary sensory, type IE </a>
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<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal dominant">AD</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/614116"> 614116 </a>
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<a href="/entry/126375"> DNMT1 </a>
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<span class="mim-font">
<a href="/entry/126375"> 126375 </a>
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<p>A number sign (#) is used with this entry because hereditary sensory neuropathy type IE (HSN1E) is caused by heterozygous mutation in the DNMT1 gene (<a href="/entry/126375">126375</a>) on chromosome 19p13.</p>
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<a id="description" class="mim-anchor"></a>
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<strong>Description</strong>
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<p>Hereditary sensory neuropathy type IE is an autosomal dominant neurodegenerative disorder characterized by adult onset of progressive peripheral sensory loss associated with progressive hearing impairment and early-onset dementia (summary by <a href="#3" class="mim-tip-reference" title="Klein, C. J., Botuyan, M. V., Wu, Y., Ward, C. J., Nicholson, G. A., Hammans, S., Hojo, K., Yamanishi, H., Karpf, A. R., Wallace, D. C., Simon, M., Lander, C., and 12 others. &lt;strong&gt;Mutations in DNMT1 cause hereditary sensory neuropathy with dementia and hearing loss.&lt;/strong&gt; Nature Genet. 43: 595-600, 2011.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/21532572/&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;21532572&lt;/a&gt;, &lt;a href=&quot;https://www.ncbi.nlm.nih.gov/pmc/?term=21532572[PMID]&amp;report=imagesdocsum&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed Image&#x27;, &#x27;domain&#x27;: &#x27;ncbi.nlm.nih.gov&#x27;})&quot;&gt;images&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1038/ng.830&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="21532572">Klein et al., 2011</a>). <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=21532572" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})"><span class="glyphicon glyphicon-plus-sign mim-tip-hint" title="Click this 'reference-plus' icon to see articles related to this paragraph in PubMed."></span></a></p><p>For a discussion of genetic heterogeneity of HSN, see HSAN1A (<a href="/entry/162400">162400</a>).</p>
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<strong>Clinical Features</strong>
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<p><a href="#4" class="mim-tip-reference" title="Wright, A., Dyck, P. J. &lt;strong&gt;Hereditary sensory neuropathy with sensorineural deafness and early-onset dementia.&lt;/strong&gt; Neurology 45: 560-562, 1995.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/7898717/&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;7898717&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1212/wnl.45.3.560&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="7898717">Wright and Dyck (1995)</a> reported a 7-generation kindred with autosomal dominant inheritance of sensory neuropathy with sensorineural hearing loss and early-onset dementia. The neurologic deficits began between the second and fourth decades and were progressive, with death occurring in the fifth and sixth decades. The proband was a 42-year-old man with onset of distal sensory impairment primarily affecting the lower limbs in his early thirties followed by progressive memory and hearing impairment in his late thirties. There were no autonomic or motor symptoms. Physical studies showed severe peripheral sensorineural neuropathy with absent sensory nerve action potentials and moderate to severe hearing loss; brain imaging showed mild diffuse cerebral atrophy. Sural nerve biopsy showed almost complete absence of myelinated fibers of all sizes, without onion bulb formation or regenerating clusters. There were reduced numbers of unmyelinated fibers. <a href="#4" class="mim-tip-reference" title="Wright, A., Dyck, P. J. &lt;strong&gt;Hereditary sensory neuropathy with sensorineural deafness and early-onset dementia.&lt;/strong&gt; Neurology 45: 560-562, 1995.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/7898717/&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;7898717&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1212/wnl.45.3.560&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="7898717">Wright and Dyck (1995)</a> classified the disorder as a subtype of HSAN type I. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=7898717" 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="Hojo, K., Imamura, T., Takanashi, M., Ishii, K., Sasaki, M., Imura, S., Ozono, R., Takatsuki, Y., Takauchi, S., Mori, E. &lt;strong&gt;Hereditary sensory neuropathy with deafness and dementia: a clinical and neuroimaging study.&lt;/strong&gt; Europ. J. Neurol. 6: 357-361, 1999.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/10210919/&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;10210919&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1046/j.1468-1331.1999.630357.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="10210919">Hojo et al. (1999)</a> reported 3 Japanese sibs with onset of peripheral sensory neuropathy affecting all modalities in young adulthood, followed by hearing loss and progressive frontal dementia in the later thirties and forties. The neuropathy resulted in ulceration of the feet necessitating amputation of the toes in all patients. Two patients reported lancinating pains. Sural nerve biopsy showed almost complete loss of myelinated fibers with moderate loss of unmyelinated fibers. The dementia was characterized by memory loss, irritability, apathy, impulsivity, delusions, somnolence, and decreased speech output. Functional imaging of 2 patients showed frontal and thalamic hypometabolism, and brain imaging of 1 showed frontal atrophy. Their affected mother had died in the fifth decade with painless foot ulcers and dementia. Cerebellar and autonomic dysfunction were not present. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=10210919" 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="Klein, C. J., Botuyan, M. V., Wu, Y., Ward, C. J., Nicholson, G. A., Hammans, S., Hojo, K., Yamanishi, H., Karpf, A. R., Wallace, D. C., Simon, M., Lander, C., and 12 others. &lt;strong&gt;Mutations in DNMT1 cause hereditary sensory neuropathy with dementia and hearing loss.&lt;/strong&gt; Nature Genet. 43: 595-600, 2011.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/21532572/&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;21532572&lt;/a&gt;, &lt;a href=&quot;https://www.ncbi.nlm.nih.gov/pmc/?term=21532572[PMID]&amp;report=imagesdocsum&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed Image&#x27;, &#x27;domain&#x27;: &#x27;ncbi.nlm.nih.gov&#x27;})&quot;&gt;images&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1038/ng.830&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="21532572">Klein et al. (2011)</a> reported 2 additional families with HSN1E. Affected individuals were healthy in their youth, but developed worsening sensorineural deafness and sensory neuropathy by the age of 20 to 35 years. Progressive cognitive and behavioral declines developed by the fourth decade. Brain imaging of the affected persons showed global atrophy, and there was reduced weight of the autopsied brains. Quantitative sensory testing, nerve conductions, and nerve biopsy were indicative of length-dependent progressive sensory axonal loss. Neuropathologic examination of 1 patient who died at age 48 years showed ascending spinal sensory tract degeneration with myelin and axonal loss involving the gracile fasciculus in the posterior columns at all spinal levels. There was also generalized cerebral atrophy, chronic cerebellar Purkinje cell swelling and axonal loss, and severe neuronal loss and gliosis of the inferior olivary nucleus. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=21532572" 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="Klein, C. J., Bird, T., Ertekin-Taner, N., Lincoln, S., Hjorth, R., Wu, Y., Kwok, J., Mer, G., Dyck, P. J., Nicholson, G. A. &lt;strong&gt;DNMT1 mutation hot spot causes varied phenotypes of HSAN1 with dementia and hearing loss.&lt;/strong&gt; Neurology 80: 824-828, 2013.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/23365052/&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;23365052&lt;/a&gt;, &lt;a href=&quot;https://www.ncbi.nlm.nih.gov/pmc/?term=23365052[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/10.1212/WNL.0b013e318284076d&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="23365052">Klein et al. (2013)</a> reported 2 unrelated families of Norwegian and Scottish descent, respectively, with HSN1E. Affected individuals had onset of hearing loss in their forties, followed by sensory neuropathy, sensory ataxia, behavioral abnormalities, and dementia. One patient had seizures, consistent with neurodegeneration. Neuropathologic examination of 1 patient showed frontal lobe atrophy without distinct histopathology; in particular, no plaques, neurofibrillary tangles, or Lewy bodies were identified, and immunostaining for MAPT (<a href="/entry/157140">157140</a>), SNCA (<a href="/entry/163890">163890</a>), and TDP43 (<a href="/entry/605078">605078</a>) was negative. None of the patients had narcolepsy or cataplexy. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=23365052" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})"><span class="glyphicon glyphicon-plus-sign mim-tip-hint" title="Click this 'reference-plus' icon to see articles related to this paragraph in PubMed."></span></a></p>
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<p>The transmission pattern of HSN1E in the families reported by <a href="#4" class="mim-tip-reference" title="Wright, A., Dyck, P. J. &lt;strong&gt;Hereditary sensory neuropathy with sensorineural deafness and early-onset dementia.&lt;/strong&gt; Neurology 45: 560-562, 1995.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/7898717/&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;7898717&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1212/wnl.45.3.560&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="7898717">Wright and Dyck (1995)</a> and <a href="#3" class="mim-tip-reference" title="Klein, C. J., Botuyan, M. V., Wu, Y., Ward, C. J., Nicholson, G. A., Hammans, S., Hojo, K., Yamanishi, H., Karpf, A. R., Wallace, D. C., Simon, M., Lander, C., and 12 others. &lt;strong&gt;Mutations in DNMT1 cause hereditary sensory neuropathy with dementia and hearing loss.&lt;/strong&gt; Nature Genet. 43: 595-600, 2011.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/21532572/&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;21532572&lt;/a&gt;, &lt;a href=&quot;https://www.ncbi.nlm.nih.gov/pmc/?term=21532572[PMID]&amp;report=imagesdocsum&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed Image&#x27;, &#x27;domain&#x27;: &#x27;ncbi.nlm.nih.gov&#x27;})&quot;&gt;images&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1038/ng.830&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="21532572">Klein et al. (2011)</a> was consistent with autosomal dominant inheritance. <a href="https://pubmed.ncbi.nlm.nih.gov/?term=7898717+21532572" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})"><span class="glyphicon glyphicon-plus-sign mim-tip-hint" title="Click this 'reference-plus' icon to see articles related to this paragraph in PubMed."></span></a></p>
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<strong>Molecular Genetics</strong>
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<p>By linkage analysis followed by exome sequencing, <a href="#3" class="mim-tip-reference" title="Klein, C. J., Botuyan, M. V., Wu, Y., Ward, C. J., Nicholson, G. A., Hammans, S., Hojo, K., Yamanishi, H., Karpf, A. R., Wallace, D. C., Simon, M., Lander, C., and 12 others. &lt;strong&gt;Mutations in DNMT1 cause hereditary sensory neuropathy with dementia and hearing loss.&lt;/strong&gt; Nature Genet. 43: 595-600, 2011.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/21532572/&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;21532572&lt;/a&gt;, &lt;a href=&quot;https://www.ncbi.nlm.nih.gov/pmc/?term=21532572[PMID]&amp;report=imagesdocsum&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed Image&#x27;, &#x27;domain&#x27;: &#x27;ncbi.nlm.nih.gov&#x27;})&quot;&gt;images&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1038/ng.830&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="21532572">Klein et al. (2011)</a> identified 2 different heterozygous mutations in the DNMT1 gene (<a href="/entry/126375#0001">126375.0001</a> and <a href="/entry/126375#0002">126375.0002</a>) in 4 unrelated families with autosomal dominant inheritance of hereditary sensory neuropathy type IE. Two of the families had been reported by <a href="#4" class="mim-tip-reference" title="Wright, A., Dyck, P. J. &lt;strong&gt;Hereditary sensory neuropathy with sensorineural deafness and early-onset dementia.&lt;/strong&gt; Neurology 45: 560-562, 1995.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/7898717/&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;7898717&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1212/wnl.45.3.560&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="7898717">Wright and Dyck (1995)</a> and <a href="#1" class="mim-tip-reference" title="Hojo, K., Imamura, T., Takanashi, M., Ishii, K., Sasaki, M., Imura, S., Ozono, R., Takatsuki, Y., Takauchi, S., Mori, E. &lt;strong&gt;Hereditary sensory neuropathy with deafness and dementia: a clinical and neuroimaging study.&lt;/strong&gt; Europ. J. Neurol. 6: 357-361, 1999.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/10210919/&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;10210919&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1046/j.1468-1331.1999.630357.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="10210919">Hojo et al. (1999)</a>. In vitro functional expression studies in E. coli and HeLa cells showed that the mutations affected proper folding of DNMT1 and resulted in premature degradation, reduced methyltransferase activity, and impaired heterochromatin binding during the G2 cell cycle phase, leading to global hypomethylation and site-specific hypermethylation. These changes indicated epigenetic dysregulation. The results provided a direct link between DNMT1 defects and a neurodegenerative disorder affecting both the central and peripheral nervous systems, and suggested that DNMT1 participates in a precise mechanism of dynamic regulation of neuronal survival. <a href="https://pubmed.ncbi.nlm.nih.gov/?term=7898717+10210919+21532572" 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="Klein, C. J., Bird, T., Ertekin-Taner, N., Lincoln, S., Hjorth, R., Wu, Y., Kwok, J., Mer, G., Dyck, P. J., Nicholson, G. A. &lt;strong&gt;DNMT1 mutation hot spot causes varied phenotypes of HSAN1 with dementia and hearing loss.&lt;/strong&gt; Neurology 80: 824-828, 2013.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/23365052/&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;23365052&lt;/a&gt;, &lt;a href=&quot;https://www.ncbi.nlm.nih.gov/pmc/?term=23365052[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/10.1212/WNL.0b013e318284076d&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="23365052">Klein et al. (2013)</a> identified heterozygous mutations affecting the same codon in exon 20 of the DNMT1 gene (Y495C, <a href="/entry/126375#0001">126375.0001</a> and Y495H, <a href="/entry/126375#0006">126375.0006</a>) in affected members of 2 unrelated families with HSN1E. DNMT1 mutations were specific to the phenotype of peripheral neuropathy associated with hearing loss and dementia, as mutations were not found in 48 patients with sensory neuropathy without hearing loss or dementia or in 5 kindreds with familial frontotemporal dementia. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=23365052" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})"><span class="glyphicon glyphicon-plus-sign mim-tip-hint" title="Click this 'reference-plus' icon to see articles related to this paragraph in PubMed."></span></a></p>
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<strong>REFERENCES</strong>
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<a id="1" class="mim-anchor"></a>
<a id="Hojo1999" class="mim-anchor"></a>
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<p class="mim-text-font">
Hojo, K., Imamura, T., Takanashi, M., Ishii, K., Sasaki, M., Imura, S., Ozono, R., Takatsuki, Y., Takauchi, S., Mori, E.
<strong>Hereditary sensory neuropathy with deafness and dementia: a clinical and neuroimaging study.</strong>
Europ. J. Neurol. 6: 357-361, 1999.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/10210919/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">10210919</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=10210919" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">related citations</a>]
[<a href="https://doi.org/10.1046/j.1468-1331.1999.630357.x" target="_blank">Full Text</a>]
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<a id="2" class="mim-anchor"></a>
<a id="Klein2013" class="mim-anchor"></a>
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Klein, C. J., Bird, T., Ertekin-Taner, N., Lincoln, S., Hjorth, R., Wu, Y., Kwok, J., Mer, G., Dyck, P. J., Nicholson, G. A.
<strong>DNMT1 mutation hot spot causes varied phenotypes of HSAN1 with dementia and hearing loss.</strong>
Neurology 80: 824-828, 2013.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/23365052/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">23365052</a>, <a href="https://www.ncbi.nlm.nih.gov/pmc/?term=23365052[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=23365052" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">related citations</a>]
[<a href="https://doi.org/10.1212/WNL.0b013e318284076d" target="_blank">Full Text</a>]
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<a id="Klein2011" class="mim-anchor"></a>
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Klein, C. J., Botuyan, M. V., Wu, Y., Ward, C. J., Nicholson, G. A., Hammans, S., Hojo, K., Yamanishi, H., Karpf, A. R., Wallace, D. C., Simon, M., Lander, C., and 12 others.
<strong>Mutations in DNMT1 cause hereditary sensory neuropathy with dementia and hearing loss.</strong>
Nature Genet. 43: 595-600, 2011.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/21532572/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">21532572</a>, <a href="https://www.ncbi.nlm.nih.gov/pmc/?term=21532572[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=21532572" 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/ng.830" target="_blank">Full Text</a>]
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<a id="Wright1995" class="mim-anchor"></a>
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Wright, A., Dyck, P. J.
<strong>Hereditary sensory neuropathy with sensorineural deafness and early-onset dementia.</strong>
Neurology 45: 560-562, 1995.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/7898717/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">7898717</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=7898717" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">related citations</a>]
[<a href="https://doi.org/10.1212/wnl.45.3.560" target="_blank">Full Text</a>]
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Cassandra L. Kniffin - updated : 12/29/2014
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Cassandra L. Kniffin : 7/25/2011
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carol : 10/21/2016<br>carol : 01/07/2015<br>mcolton : 12/30/2014<br>ckniffin : 12/29/2014<br>carol : 8/1/2011<br>alopez : 7/29/2011<br>ckniffin : 7/27/2011
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<strong>#</strong> 614116
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NEUROPATHY, HEREDITARY SENSORY, TYPE IE; HSN1E
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<em>Alternative titles; symbols</em>
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HSN IE<br />
NEUROPATHY, HEREDITARY SENSORY, WITH HEARING LOSS AND DEMENTIA
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<strong>SNOMEDCT:</strong> 860812002; &nbsp;
<strong>ORPHA:</strong> 456318; &nbsp;
<strong>DO:</strong> 0070158; &nbsp;
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<strong>Phenotype-Gene Relationships</strong>
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Location
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Phenotype
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Phenotype <br /> MIM number
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Inheritance
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Phenotype <br /> mapping key
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Gene/Locus
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19p13.2
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Neuropathy, hereditary sensory, type IE
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614116
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Autosomal dominant
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3
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DNMT1
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126375
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<strong>TEXT</strong>
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<p>A number sign (#) is used with this entry because hereditary sensory neuropathy type IE (HSN1E) is caused by heterozygous mutation in the DNMT1 gene (126375) on chromosome 19p13.</p>
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<strong>Description</strong>
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<p>Hereditary sensory neuropathy type IE is an autosomal dominant neurodegenerative disorder characterized by adult onset of progressive peripheral sensory loss associated with progressive hearing impairment and early-onset dementia (summary by Klein et al., 2011). </p><p>For a discussion of genetic heterogeneity of HSN, see HSAN1A (162400).</p>
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<strong>Clinical Features</strong>
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<p>Wright and Dyck (1995) reported a 7-generation kindred with autosomal dominant inheritance of sensory neuropathy with sensorineural hearing loss and early-onset dementia. The neurologic deficits began between the second and fourth decades and were progressive, with death occurring in the fifth and sixth decades. The proband was a 42-year-old man with onset of distal sensory impairment primarily affecting the lower limbs in his early thirties followed by progressive memory and hearing impairment in his late thirties. There were no autonomic or motor symptoms. Physical studies showed severe peripheral sensorineural neuropathy with absent sensory nerve action potentials and moderate to severe hearing loss; brain imaging showed mild diffuse cerebral atrophy. Sural nerve biopsy showed almost complete absence of myelinated fibers of all sizes, without onion bulb formation or regenerating clusters. There were reduced numbers of unmyelinated fibers. Wright and Dyck (1995) classified the disorder as a subtype of HSAN type I. </p><p>Hojo et al. (1999) reported 3 Japanese sibs with onset of peripheral sensory neuropathy affecting all modalities in young adulthood, followed by hearing loss and progressive frontal dementia in the later thirties and forties. The neuropathy resulted in ulceration of the feet necessitating amputation of the toes in all patients. Two patients reported lancinating pains. Sural nerve biopsy showed almost complete loss of myelinated fibers with moderate loss of unmyelinated fibers. The dementia was characterized by memory loss, irritability, apathy, impulsivity, delusions, somnolence, and decreased speech output. Functional imaging of 2 patients showed frontal and thalamic hypometabolism, and brain imaging of 1 showed frontal atrophy. Their affected mother had died in the fifth decade with painless foot ulcers and dementia. Cerebellar and autonomic dysfunction were not present. </p><p>Klein et al. (2011) reported 2 additional families with HSN1E. Affected individuals were healthy in their youth, but developed worsening sensorineural deafness and sensory neuropathy by the age of 20 to 35 years. Progressive cognitive and behavioral declines developed by the fourth decade. Brain imaging of the affected persons showed global atrophy, and there was reduced weight of the autopsied brains. Quantitative sensory testing, nerve conductions, and nerve biopsy were indicative of length-dependent progressive sensory axonal loss. Neuropathologic examination of 1 patient who died at age 48 years showed ascending spinal sensory tract degeneration with myelin and axonal loss involving the gracile fasciculus in the posterior columns at all spinal levels. There was also generalized cerebral atrophy, chronic cerebellar Purkinje cell swelling and axonal loss, and severe neuronal loss and gliosis of the inferior olivary nucleus. </p><p>Klein et al. (2013) reported 2 unrelated families of Norwegian and Scottish descent, respectively, with HSN1E. Affected individuals had onset of hearing loss in their forties, followed by sensory neuropathy, sensory ataxia, behavioral abnormalities, and dementia. One patient had seizures, consistent with neurodegeneration. Neuropathologic examination of 1 patient showed frontal lobe atrophy without distinct histopathology; in particular, no plaques, neurofibrillary tangles, or Lewy bodies were identified, and immunostaining for MAPT (157140), SNCA (163890), and TDP43 (605078) was negative. None of the patients had narcolepsy or cataplexy. </p>
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<strong>Inheritance</strong>
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<p>The transmission pattern of HSN1E in the families reported by Wright and Dyck (1995) and Klein et al. (2011) was consistent with autosomal dominant inheritance. </p>
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<span class="mim-font">
<strong>Molecular Genetics</strong>
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<p>By linkage analysis followed by exome sequencing, Klein et al. (2011) identified 2 different heterozygous mutations in the DNMT1 gene (126375.0001 and 126375.0002) in 4 unrelated families with autosomal dominant inheritance of hereditary sensory neuropathy type IE. Two of the families had been reported by Wright and Dyck (1995) and Hojo et al. (1999). In vitro functional expression studies in E. coli and HeLa cells showed that the mutations affected proper folding of DNMT1 and resulted in premature degradation, reduced methyltransferase activity, and impaired heterochromatin binding during the G2 cell cycle phase, leading to global hypomethylation and site-specific hypermethylation. These changes indicated epigenetic dysregulation. The results provided a direct link between DNMT1 defects and a neurodegenerative disorder affecting both the central and peripheral nervous systems, and suggested that DNMT1 participates in a precise mechanism of dynamic regulation of neuronal survival. </p><p>Klein et al. (2013) identified heterozygous mutations affecting the same codon in exon 20 of the DNMT1 gene (Y495C, 126375.0001 and Y495H, 126375.0006) in affected members of 2 unrelated families with HSN1E. DNMT1 mutations were specific to the phenotype of peripheral neuropathy associated with hearing loss and dementia, as mutations were not found in 48 patients with sensory neuropathy without hearing loss or dementia or in 5 kindreds with familial frontotemporal dementia. </p>
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<h4>
<span class="mim-font">
<strong>REFERENCES</strong>
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<div>
<p />
</div>
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<ol>
<li>
<p class="mim-text-font">
Hojo, K., Imamura, T., Takanashi, M., Ishii, K., Sasaki, M., Imura, S., Ozono, R., Takatsuki, Y., Takauchi, S., Mori, E.
<strong>Hereditary sensory neuropathy with deafness and dementia: a clinical and neuroimaging study.</strong>
Europ. J. Neurol. 6: 357-361, 1999.
[PubMed: 10210919]
[Full Text: https://doi.org/10.1046/j.1468-1331.1999.630357.x]
</p>
</li>
<li>
<p class="mim-text-font">
Klein, C. J., Bird, T., Ertekin-Taner, N., Lincoln, S., Hjorth, R., Wu, Y., Kwok, J., Mer, G., Dyck, P. J., Nicholson, G. A.
<strong>DNMT1 mutation hot spot causes varied phenotypes of HSAN1 with dementia and hearing loss.</strong>
Neurology 80: 824-828, 2013.
[PubMed: 23365052]
[Full Text: https://doi.org/10.1212/WNL.0b013e318284076d]
</p>
</li>
<li>
<p class="mim-text-font">
Klein, C. J., Botuyan, M. V., Wu, Y., Ward, C. J., Nicholson, G. A., Hammans, S., Hojo, K., Yamanishi, H., Karpf, A. R., Wallace, D. C., Simon, M., Lander, C., and 12 others.
<strong>Mutations in DNMT1 cause hereditary sensory neuropathy with dementia and hearing loss.</strong>
Nature Genet. 43: 595-600, 2011.
[PubMed: 21532572]
[Full Text: https://doi.org/10.1038/ng.830]
</p>
</li>
<li>
<p class="mim-text-font">
Wright, A., Dyck, P. J.
<strong>Hereditary sensory neuropathy with sensorineural deafness and early-onset dementia.</strong>
Neurology 45: 560-562, 1995.
[PubMed: 7898717]
[Full Text: https://doi.org/10.1212/wnl.45.3.560]
</p>
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Cassandra L. Kniffin - updated : 12/29/2014
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Cassandra L. Kniffin : 7/25/2011
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carol : 07/10/2017<br>carol : 10/21/2016<br>carol : 01/07/2015<br>mcolton : 12/30/2014<br>ckniffin : 12/29/2014<br>carol : 8/1/2011<br>alopez : 7/29/2011<br>ckniffin : 7/27/2011
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