A novel de novo splice-site mutation in the COL7A1 gene in dominant dystrophic epidermolysis bullosa (DDEB): Specific exon skipping could be a prognostic factor for DDEB pruriginosa

M. Saito, T. Masunaga, A. Ishiko

研究成果: Article査読

16 被引用数 (Scopus)

抄録

We report a Japanese infant who had a novel de novo splice-site mutation in the COL7A1 gene, which resulted in in-frame exon 87 skipping. Very interestingly, most of the previously reported cases with the same exon skipping presented as dystrophic epidermolysis bullosa (DEB) pruriginosa. The proband in this study showed an extremely mild clinical phenotype, with no nail dystrophy, pruritus or prurigo-like lesions. However, dominant (DDEB) pruriginosa often shows a typical mild DEB phenotype until the onset of pruritus, making it likely that as she gets older the proband will present with features consistent with DDEB pruriginosa. By knowing in advance the anticipated clinical course, it might be possible to reduce or even prevent development of nodular prurigo-like lesions by sufficient control of pruritus. Our study should contribute to further refinement of the genotype-phenotype correlations in DEB, emphasizing the significance of mutation analysis for correct diagnosis and possibly for prediction of prognosis.

本文言語English
ページ(範囲)e934-e936
ジャーナルClinical and Experimental Dermatology
34
8
DOI
出版ステータスPublished - 2009 12 1

ASJC Scopus subject areas

  • 皮膚病学

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