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  1. 010 学術雑誌論文
  2. 高畑, 尚之 / TAKAHATA, Naoyuki

An Alu retrotransposition-mediated deletion of CHD7 in a patient with CHARGE syndrome

https://ir.soken.ac.jp/records/3679
https://ir.soken.ac.jp/records/3679
18347297-d8d1-4544-bcfe-9b86491dc2e2
Item type 学術雑誌論文 / Journal Article(1)
公開日 2013-07-02
タイトル
タイトル An Alu retrotransposition-mediated deletion of CHD7 in a patient with CHARGE syndrome
タイトル
タイトル An Alu retrotransposition-mediated deletion of CHD7 in a patient with CHARGE syndrome
言語 en
言語
言語 eng
資源タイプ
資源タイプ識別子 http://purl.org/coar/resource_type/c_6501
資源タイプ journal article
アクセス権
アクセス権 metadata only access
アクセス権URI http://purl.org/coar/access_right/c_14cb
著者 UDAKA, Toru

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UDAKA, Toru

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OKAMOTO, Nobuhiko

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OKAMOTO, Nobuhiko

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ARAMAKI, Michihiko

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ARAMAKI, Michihiko

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TORII, Chiharu

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TORII, Chiharu

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KOSAKI, Rika

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KOSAKI, Rika

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HOSOKAI, Noboru

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HOSOKAI, Noboru

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HAYAKAWA, Toshiyuki

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HAYAKAWA, Toshiyuki

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TAKAHATA, Naoyuki

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TAKAHATA, Naoyuki

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TAKAHASHI, Takao

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TAKAHASHI, Takao

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KOSAKI

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KOSAKI

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著者別名 尚之, 高畑

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尚之, 高畑

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抄録
内容記述タイプ Abstract
内容記述 CHD7 mutations account for about 60–65% among more than 200 CHARGE syndrome cases. When rare whole gene deletion cases associated with chromosomal abnormalities are excluded, all mutations of CHD7 reported to date have been point mutations and small deletions and insertions, rather than exonic deletions. To test whether exonic deletions represent a common pathogenic mechanism, we assessed exon copy number by using a recently developed method, the multiplex PCR/liquid chromatography assay (MP/LC). Multiple exons were amplified using unlabeled primers, then separated by ion-pair reversed-phase high-performance liquid chromatography, and quantitated by fluorescence detection using a post-column intercalation dye under the premise that the relative peak intensities for each target directly reflect exon copy number. By using MP/LC, we identified one CHARGE syndrome patient who had a de novo deletion encompassing exons 8–12 among 13 classic CHARGE patients in whom screening by denaturing high-performance liquid chromatography (DHPLC) failed to identify point mutations and small insertions/deletions in CHD7. This is the first CHARGE patient who was documented to have exonic deletion of CHD7. The deletion closely recapitulated the Alu-mediated inactivation of the human CMP-N-acetylneuraminic acid hydroxylase gene (CMP-Neu5Ac hydroxylase), which is regarded as a novel molecular mechanism in the evolution from non-human primates to humans. As demonstrated in this study, MP/LC is a promising method for characterizing exonic deletions, which are largely left unexamined in most routine mutation analysis.
書誌情報 American Journal of Medical Genetics, Part A
en : American Journal of Medical Genetics, Part A

巻 143, 号 7, p. 721-726, 発行日 2007-04-01
出版者
出版者 Wiley-Blackwell
ISSN
収録物識別子タイプ ISSN
収録物識別子 15524825
PubMed番号
識別子タイプ PMID
関連識別子 17334995
DOI
識別子タイプ DOI
関連識別子 https://doi.org/10.1002/ajmg.a.31441
関連名称 10.1002/ajmg.a.31441
権利
権利情報 © 2007 Wiley-Liss, Inc.
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