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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Mutation identification in a canine model of X-linked ectodermal dysplasia</title><author><name sortKey="Casal, Margret L" sort="Casal, Margret L" uniqKey="Casal M" first="Margret L." last="Casal">Margret L. Casal</name><affiliation><nlm:aff id="A1">Section of Medical Genetics, Veterinary Hospital, University of Pennsylvania, Philadelphia, Pennsylvania 19104-6010, USA</nlm:aff></affiliation></author><author><name sortKey="Scheidt, Jennifer L" sort="Scheidt, Jennifer L" uniqKey="Scheidt J" first="Jennifer L." last="Scheidt">Jennifer L. Scheidt</name><affiliation><nlm:aff id="A2">School of Veterinary Medicine, university of Pennsylvania, Philadelphia, Pennsylvania 19104-6010, USA</nlm:aff></affiliation></author><author><name sortKey="Rhodes, James L" sort="Rhodes, James L" uniqKey="Rhodes J" first="James L." last="Rhodes">James L. Rhodes</name><affiliation><nlm:aff id="A2">School of Veterinary Medicine, university of Pennsylvania, Philadelphia, Pennsylvania 19104-6010, USA</nlm:aff></affiliation></author><author><name sortKey="Henthorn, Paula S" sort="Henthorn, Paula S" uniqKey="Henthorn P" first="Paula S." last="Henthorn">Paula S. Henthorn</name><affiliation><nlm:aff id="A1">Section of Medical Genetics, Veterinary Hospital, University of Pennsylvania, Philadelphia, Pennsylvania 19104-6010, USA</nlm:aff></affiliation></author><author><name sortKey="Werner, Petra" sort="Werner, Petra" uniqKey="Werner P" first="Petra" last="Werner">Petra Werner</name><affiliation><nlm:aff id="A1">Section of Medical Genetics, Veterinary Hospital, University of Pennsylvania, Philadelphia, Pennsylvania 19104-6010, USA</nlm:aff></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">PMC</idno><idno type="pmid">16151697</idno><idno type="pmc">3330241</idno><idno type="url">http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3330241</idno><idno type="RBID">PMC:3330241</idno><idno type="doi">10.1007/s00335-004-2463-4</idno><date when="2005">2005</date><idno type="wicri:Area/Pmc/Corpus">003892</idno><idno type="wicri:explorRef" wicri:stream="Pmc" wicri:step="Corpus" wicri:corpus="PMC">003892</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a" type="main">Mutation identification in a canine model of X-linked ectodermal dysplasia</title><author><name sortKey="Casal, Margret L" sort="Casal, Margret L" uniqKey="Casal M" first="Margret L." last="Casal">Margret L. Casal</name><affiliation><nlm:aff id="A1">Section of Medical Genetics, Veterinary Hospital, University of Pennsylvania, Philadelphia, Pennsylvania 19104-6010, USA</nlm:aff></affiliation></author><author><name sortKey="Scheidt, Jennifer L" sort="Scheidt, Jennifer L" uniqKey="Scheidt J" first="Jennifer L." last="Scheidt">Jennifer L. Scheidt</name><affiliation><nlm:aff id="A2">School of Veterinary Medicine, university of Pennsylvania, Philadelphia, Pennsylvania 19104-6010, USA</nlm:aff></affiliation></author><author><name sortKey="Rhodes, James L" sort="Rhodes, James L" uniqKey="Rhodes J" first="James L." last="Rhodes">James L. Rhodes</name><affiliation><nlm:aff id="A2">School of Veterinary Medicine, university of Pennsylvania, Philadelphia, Pennsylvania 19104-6010, USA</nlm:aff></affiliation></author><author><name sortKey="Henthorn, Paula S" sort="Henthorn, Paula S" uniqKey="Henthorn P" first="Paula S." last="Henthorn">Paula S. Henthorn</name><affiliation><nlm:aff id="A1">Section of Medical Genetics, Veterinary Hospital, University of Pennsylvania, Philadelphia, Pennsylvania 19104-6010, USA</nlm:aff></affiliation></author><author><name sortKey="Werner, Petra" sort="Werner, Petra" uniqKey="Werner P" first="Petra" last="Werner">Petra Werner</name><affiliation><nlm:aff id="A1">Section of Medical Genetics, Veterinary Hospital, University of Pennsylvania, Philadelphia, Pennsylvania 19104-6010, USA</nlm:aff></affiliation></author></analytic><series><title level="j">Mammalian Genome</title><idno type="ISSN">0938-8990</idno><idno type="eISSN">1432-1777</idno><imprint><date when="2005">2005</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><p id="P1">X-linked hypohidrotic ectodermal dysplasia (XHED), an inherited disease recognized in humans, mice, and cattle, is characterized by hypotrichosis, a reduced number or absence of sweat glands, and missing or malformed teeth. In a subset of affected individuals and animals, mutations in the EDA gene (formerly EDI), coding for ectodysplasin, have been found to cause this phenotype. Ectodysplasin is a homotrimeric transmembrane protein with an extracellular TNF-like domain, which has been shown to be involved in the morphogenesis of hair follicles and tooth buds during fetal development. Some human XHED patients also have concurrent immunodeficiency, due to mutations in the NF-<italic>κ</italic>B essential modulator protein (IKBKG; formerly NEMO), which is also encoded on the X chromosome. In a breeding colony of dogs with XHED, immune system defects had been suspected because of frequent pulmonary infections and unexpected deaths resulting from pneumonia. To determine if defects in EDA or IKBKG cause XHED in the dogs, linkage analysis and sequencing experiments were performed. A polymorphic marker near the canine EDA gene showed significant linkage to XHED. The canine EDA gene was sequenced and a nucleotide substitution (G to A) in the splice acceptor site of intron 8 was detected in affected dogs. In the presence of the A residue, a cryptic acceptor site within exon 9 is used, leading to a frame shift and use of a premature stop codon that truncates the translation of both isoforms, EDA-A1 and EDA-A2, resulting in the absence of the TNF-like homology domain, the receptor-binding site of ectodysplasin.</p></div></front></TEI><pmc article-type="research-article"><pmc-comment>The publisher of this article does not allow downloading of the full text in XML form.</pmc-comment>
<pmc-dir>properties manuscript</pmc-dir>
<front><journal-meta><journal-id journal-id-type="nlm-journal-id">9100916</journal-id><journal-id journal-id-type="pubmed-jr-id">2084</journal-id><journal-id journal-id-type="nlm-ta">Mamm Genome</journal-id><journal-id journal-id-type="iso-abbrev">Mamm. Genome</journal-id><journal-title-group><journal-title>Mammalian Genome</journal-title></journal-title-group><issn pub-type="ppub">0938-8990</issn><issn pub-type="epub">1432-1777</issn></journal-meta><article-meta><article-id pub-id-type="pmid">16151697</article-id><article-id pub-id-type="pmc">3330241</article-id><article-id pub-id-type="doi">10.1007/s00335-004-2463-4</article-id><article-id pub-id-type="manuscript">NIHMS368079</article-id><article-categories><subj-group subj-group-type="heading"><subject>Article</subject></subj-group></article-categories><title-group><article-title>Mutation identification in a canine model of X-linked ectodermal dysplasia</article-title></title-group><contrib-group><contrib contrib-type="author"><name><surname>Casal</surname><given-names>Margret L.</given-names></name><xref ref-type="aff" rid="A1">1</xref></contrib><contrib contrib-type="author"><name><surname>Scheidt</surname><given-names>Jennifer L.</given-names></name><xref ref-type="aff" rid="A2">2</xref></contrib><contrib contrib-type="author"><name><surname>Rhodes</surname><given-names>James L.</given-names></name><xref ref-type="aff" rid="A2">2</xref></contrib><contrib contrib-type="author"><name><surname>Henthorn</surname><given-names>Paula S.</given-names></name><xref ref-type="aff" rid="A1">1</xref></contrib><contrib contrib-type="author"><name><surname>Werner</surname><given-names>Petra</given-names></name><xref ref-type="aff" rid="A1">1</xref></contrib></contrib-group><aff id="A1"><label>1</label>Section of Medical Genetics, Veterinary Hospital, University of Pennsylvania, Philadelphia, Pennsylvania 19104-6010, USA</aff><aff id="A2"><label>2</label>School of Veterinary Medicine, university of Pennsylvania, Philadelphia, Pennsylvania 19104-6010, USA</aff><author-notes><corresp id="FN1">Correspondence to: Margret L. Casal; <email>casalml@vet.upenn.edu</email></corresp></author-notes><pub-date pub-type="nihms-submitted"><day>12</day><month>4</month><year>2012</year></pub-date><pub-date pub-type="ppub"><month>7</month><year>2005</year></pub-date><pub-date pub-type="pmc-release"><day>20</day><month>4</month><year>2012</year></pub-date><volume>16</volume><issue>7</issue><fpage>524</fpage><lpage>531</lpage><abstract><p id="P1">X-linked hypohidrotic ectodermal dysplasia (XHED), an inherited disease recognized in humans, mice, and cattle, is characterized by hypotrichosis, a reduced number or absence of sweat glands, and missing or malformed teeth. In a subset of affected individuals and animals, mutations in the EDA gene (formerly EDI), coding for ectodysplasin, have been found to cause this phenotype. Ectodysplasin is a homotrimeric transmembrane protein with an extracellular TNF-like domain, which has been shown to be involved in the morphogenesis of hair follicles and tooth buds during fetal development. Some human XHED patients also have concurrent immunodeficiency, due to mutations in the NF-<italic>κ</italic>B essential modulator protein (IKBKG; formerly NEMO), which is also encoded on the X chromosome. In a breeding colony of dogs with XHED, immune system defects had been suspected because of frequent pulmonary infections and unexpected deaths resulting from pneumonia. To determine if defects in EDA or IKBKG cause XHED in the dogs, linkage analysis and sequencing experiments were performed. A polymorphic marker near the canine EDA gene showed significant linkage to XHED. The canine EDA gene was sequenced and a nucleotide substitution (G to A) in the splice acceptor site of intron 8 was detected in affected dogs. In the presence of the A residue, a cryptic acceptor site within exon 9 is used, leading to a frame shift and use of a premature stop codon that truncates the translation of both isoforms, EDA-A1 and EDA-A2, resulting in the absence of the TNF-like homology domain, the receptor-binding site of ectodysplasin.</p></abstract></article-meta></front></pmc></record>Pour manipuler ce document sous Unix (Dilib)
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