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<div class="pre-content"><div><div class="bk_prnt"><p class="small">NCBI Bookshelf. A service of the National Library of Medicine, National Institutes of Health.</p><p>Adam MP, Feldman J, Mirzaa GM, et al., editors. GeneReviews® [Internet]. Seattle (WA): University of Washington, Seattle; 1993-2025. </p></div></div></div>
<div class="main-content lit-style" itemscope="itemscope" itemtype="http://schema.org/CreativeWork"><div class="meta-content fm-sec"><h1 id="_NBK584546_"><span class="title" itemprop="name">Resources for Genetics Professionals &#x02014; Genetic Disorders Associated with Founder Variants Common in the Pueblo Population</span></h1><div class="contrib half_rhythm"><span itemprop="author">Stephanie E Wallace</span>, MD<div class="affiliation small">Senior Editor, <i>GeneReviews</i></div><div class="affiliation small">Clinical Professor, Department of Pediatrics<br />University of Washington<br />Seattle, Washington<div><span class="email-label">Email: </span><a href="mailto:dev@null" data-email="ude.wu@2rotide" class="oemail">ude.wu@2rotide</a></div></div></div><div class="contrib half_rhythm"><span itemprop="author">Ghayda M Mirzaa</span>, MD<div class="affiliation small">Senior Editor, <i>GeneReviews</i></div><div class="affiliation small">Seattle Children's Research Institute<br />Seattle, Washington</div></div><p class="small">Initial Posting: <span itemprop="datePublished">September 29, 2022</span>.</p><p><em>Estimated reading time: 1 minute</em></p></div><div class="body-content whole_rhythm" itemprop="text"><p>A founder variant is a pathogenic variant observed in high frequency in a specific population due to the presence of the variant in a single ancestor or small number of ancestors. The presence of a founder variant can affect the approach to molecular genetic testing. When one or more founder variants account for a large percentage of all pathogenic variants found in a population, testing for the founder variant(s) may be performed first.</p><p>The table below includes <b>common founder variants</b> &#x02014; here defined as <b>three or fewer variants that account for &#x0003e;50% of the pathogenic variants identified in a single gene in individuals of a specific ancestry</b> &#x02014; in individuals of Pueblo ancestry. Note: Pathogenic variants that are common worldwide due to a DNA sequence hot spot are not considered founder variants and thus are not included.</p><div id="founder_pueblo.T.genetic_disorders_assoc" class="table"><h3><span class="label">Table. </span></h3><div class="caption"><p>Genetic Disorders Associated with Founder Variants Common in the Pueblo Population</p></div><p class="large-table-link" style="display:none"><span class="right"><a href="/books/NBK584546/table/founder_pueblo.T.genetic_disorders_assoc/?report=objectonly" target="object">View in own window</a></span></p><div class="large_tbl" id="__founder_pueblo.T.genetic_disorders_assoc_lrgtbl__"><table class="no_bottom_margin"><thead><tr><th id="hd_h_founder_pueblo.T.genetic_disorders_assoc_1_1_1_1" scope="col" rowspan="1" colspan="1" style="text-align:left;vertical-align:middle;">Gene</th><th id="hd_h_founder_pueblo.T.genetic_disorders_assoc_1_1_1_2" scope="col" rowspan="1" colspan="1" style="text-align:left;vertical-align:middle;">Disorder</th><th id="hd_h_founder_pueblo.T.genetic_disorders_assoc_1_1_1_3" scope="col" rowspan="1" colspan="1" style="text-align:left;vertical-align:middle;">MOI</th><th id="hd_h_founder_pueblo.T.genetic_disorders_assoc_1_1_1_4" scope="col" rowspan="1" colspan="1" style="text-align:left;vertical-align:middle;">DNA<br />Nucleotide<br />Change</th><th id="hd_h_founder_pueblo.T.genetic_disorders_assoc_1_1_1_5" scope="col" rowspan="1" colspan="1" style="text-align:left;vertical-align:middle;">Predicted<br />Protein<br />Change</th><th id="hd_h_founder_pueblo.T.genetic_disorders_assoc_1_1_1_6" scope="col" rowspan="1" colspan="1" style="text-align:left;vertical-align:middle;">% of Pathogenic Variants in Gene&#x000a0;<sup>1</sup></th><th id="hd_h_founder_pueblo.T.genetic_disorders_assoc_1_1_1_7" scope="col" rowspan="1" colspan="1" style="text-align:left;vertical-align:middle;">Carrier<br />Frequency</th><th id="hd_h_founder_pueblo.T.genetic_disorders_assoc_1_1_1_8" scope="col" rowspan="1" colspan="1" style="text-align:left;vertical-align:middle;">Ethnicity<br />(Specific Region)</th><th id="hd_h_founder_pueblo.T.genetic_disorders_assoc_1_1_1_9" scope="col" rowspan="1" colspan="1" style="text-align:left;vertical-align:middle;">Reference&#x000a0;Sequences</th><th id="hd_h_founder_pueblo.T.genetic_disorders_assoc_1_1_1_10" scope="col" rowspan="1" colspan="1" style="text-align:left;vertical-align:middle;">References</th></tr></thead><tbody><tr><td headers="hd_h_founder_pueblo.T.genetic_disorders_assoc_1_1_1_1" rowspan="2" scope="row" colspan="1" style="text-align:left;vertical-align:middle;">CFTR</td><td headers="hd_h_founder_pueblo.T.genetic_disorders_assoc_1_1_1_2" rowspan="2" colspan="1" style="text-align:left;vertical-align:middle;">
<a href="/books/n/gene/cf/">Cystic fibrosis</a>
</td><td headers="hd_h_founder_pueblo.T.genetic_disorders_assoc_1_1_1_3" rowspan="2" colspan="1" style="text-align:left;vertical-align:middle;">AR</td><td headers="hd_h_founder_pueblo.T.genetic_disorders_assoc_1_1_1_4" rowspan="1" colspan="1" style="text-align:left;vertical-align:middle;">c.3484C&#x0003e;T</td><td headers="hd_h_founder_pueblo.T.genetic_disorders_assoc_1_1_1_5" rowspan="1" colspan="1" style="text-align:left;vertical-align:middle;">p.Arg1162Ter</td><td headers="hd_h_founder_pueblo.T.genetic_disorders_assoc_1_1_1_6" rowspan="1" colspan="1" style="text-align:left;vertical-align:middle;">70%</td><td headers="hd_h_founder_pueblo.T.genetic_disorders_assoc_1_1_1_7" rowspan="1" colspan="1" style="text-align:left;vertical-align:middle;">Unknown</td><td headers="hd_h_founder_pueblo.T.genetic_disorders_assoc_1_1_1_8" rowspan="1" colspan="1" style="text-align:left;vertical-align:middle;">Pueblo</td><td headers="hd_h_founder_pueblo.T.genetic_disorders_assoc_1_1_1_9" rowspan="1" colspan="1" style="text-align:left;vertical-align:middle;">
<a href="https://www.ncbi.nlm.nih.gov/nuccore/NM_000492.4" ref="pagearea=body&amp;targetsite=external&amp;targetcat=link&amp;targettype=uri">NM_000492<wbr style="display:inline-block"></wbr>.4</a>
<br />
<a href="https://www.ncbi.nlm.nih.gov/protein/NP_000483.3" ref="pagearea=body&amp;targetsite=external&amp;targetcat=link&amp;targettype=uri">NP_000483<wbr style="display:inline-block"></wbr>.3</a>
</td><td headers="hd_h_founder_pueblo.T.genetic_disorders_assoc_1_1_1_10" rowspan="2" colspan="1" style="text-align:left;vertical-align:middle;">
<a class="bk_pop" href="#founder_pueblo.REF.mercier.1994.629">Mercier et al [1994]</a>
</td></tr><tr><td headers="hd_h_founder_pueblo.T.genetic_disorders_assoc_1_1_1_4" colspan="1" scope="row" rowspan="1" style="text-align:left;vertical-align:middle;">c.3718-2477C&#x0003e;T<br />(3849+10kbC&#x0003e;T; IVS19 ds C-T+12191&#x000a0;<sup>1</sup>)</td><td headers="hd_h_founder_pueblo.T.genetic_disorders_assoc_1_1_1_5" rowspan="1" colspan="1" style="text-align:left;vertical-align:middle;">--</td><td headers="hd_h_founder_pueblo.T.genetic_disorders_assoc_1_1_1_6" rowspan="1" colspan="1" style="text-align:left;vertical-align:middle;">20%</td><td headers="hd_h_founder_pueblo.T.genetic_disorders_assoc_1_1_1_7" rowspan="1" colspan="1" style="text-align:left;vertical-align:middle;">Unknown</td><td headers="hd_h_founder_pueblo.T.genetic_disorders_assoc_1_1_1_8" rowspan="1" colspan="1" style="text-align:left;vertical-align:middle;">Pueblo</td><td headers="hd_h_founder_pueblo.T.genetic_disorders_assoc_1_1_1_9" rowspan="1" colspan="1" style="text-align:left;vertical-align:middle;">
<a href="https://www.ncbi.nlm.nih.gov/nuccore/NM_000492.4" ref="pagearea=body&amp;targetsite=external&amp;targetcat=link&amp;targettype=uri">NM_000492<wbr style="display:inline-block"></wbr>.4</a>
</td></tr></tbody></table></div><div><div><dl class="temp-labeled-list small"><dt></dt><dd><div><p class="no_margin">Included if &#x02264;3 pathogenic variants account for &#x02265;50% of variants identified in a specific ethnic group</p></div></dd><dt></dt><dd><div><p class="no_margin">AR = autosomal recessive; MOI = mode of inheritance</p></div></dd><dt>1. </dt><dd><div id="founder_pueblo.TF.e.1"><p class="no_margin">Does not conform to standard HGVS nomenclature</p></div></dd></dl></div></div></div><div id="founder_pueblo.References"><h2 id="_founder_pueblo_References_">References</h2><ul class="simple-list"><li class="half_rhythm"><div class="bk_ref" id="founder_pueblo.REF.mercier.1994.629">Mercier B, Ragu&#x000e9;n&#x000e8;s O, Estivill X, Morral N, Kaplan GC, McClure M, Grebe TA, Kessler D, Pignatti PF, Marigo C, Bombieri C, Audr&#x000e9;zet MP, Verlingue C, F&#x000e9;rec C. Complete detection of mutations in cystic fibrosis patients of Native American origin. <span><span class="ref-journal">Hum Genet. </span>1994;<span class="ref-vol">94</span>:62932.</span> [<a href="https://pubmed.ncbi.nlm.nih.gov/7527370" ref="pagearea=cite-ref&amp;targetsite=entrez&amp;targetcat=link&amp;targettype=pubmed">PubMed<span class="bk_prnt">: 7527370</span></a>]</div></li></ul></div><div id="founder_pueblo.Revision_History"><h2 id="_founder_pueblo_Revision_History_">Revision History</h2><ul><li class="half_rhythm"><div>29 September 2022 (sw) Initial posting</div></li></ul></div><div id="bk_toc_contnr"></div></div></div>
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