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A novel p.R890C mutation in EPHA2 gene associated with progressive childhood posterior cataract in a Chinese family 被引量:2

A novel p.R890C mutation in EPHA2 gene associated with progressive childhood posterior cataract in a Chinese family
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摘要 AIM:To identify the genetic defect in a Chinese family with bilateral progressive childhood posterior cataract. METHODS:A two-generation family was recruited in this study. Family history and clinical data were recorded. All reported candidate genes associated with congenital posterior cataract were screened by direct DNA sequencing. ·RESULTS:All affected individuals presented posterior opacities in the lens. Direct sequencing of the candidate genes showed a heterozygous c. 2668C 】T variation in EPHA2 gene, which resulted in the replacement of arginine by cysteine at codon 890 (p. R890C). This mutation was found in two affected individuals, but was not observed in 200 normal controls. ·CONCLUSION:We report a novel mutation (p. R890C) in the EPHA2 receptor tyrosine kinase gene. The finding expands the mutation spectrum of EPHA2 in association with posterior cataract. AIM:To identify the genetic defect in a Chinese family with bilateral progressive childhood posterior cataract. METHODS:A two-generation family was recruited in this study. Family history and clinical data were recorded. All reported candidate genes associated with congenital posterior cataract were screened by direct DNA sequencing. ·RESULTS:All affected individuals presented posterior opacities in the lens. Direct sequencing of the candidate genes showed a heterozygous c. 2668C >T variation in EPHA2 gene, which resulted in the replacement of arginine by cysteine at codon 890 (p. R890C). This mutation was found in two affected individuals, but was not observed in 200 normal controls. ·CONCLUSION:We report a novel mutation (p. R890C) in the EPHA2 receptor tyrosine kinase gene. The finding expands the mutation spectrum of EPHA2 in association with posterior cataract.
出处 《International Journal of Ophthalmology(English edition)》 SCIE CAS 2013年第1期34-38,共5页 国际眼科杂志(英文版)
基金 Science and Technology Program of Zhejiang University, China (No. 2011FZA70130) Medical Science and Technology Project of Zhejiang Province, China(No. 2010QNA012) Zhejiang Key Innovation Team Project of China (No. 2009R50039) Zhejiang Key Laboratory Found of China (No. 2011E10006)
关键词 EPHA2 gene mutation posterior cataract EPHA2 gene mutation posterior cataract
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