生物
遗传学
晶体蛋白
基因
孟德尔遗传
基因座(遗传学)
突变
RNA剪接
核糖核酸
作者
Mohammed A. Aldahmesh,Arif O. Khan,Jawahir Y. Mohamed,Mohammed Hussien Alghamdi,Fowzan S. Alkuraya
摘要
Hereditary forms of cataract are genetically heterogeneous. Mutations in crystallin genes account for most Mendelian forms, but identification of other cataract genes has provided insights into additional molecular mechanisms that control lens transparency. In a multiplex consanguineous family with isolated congenital cataract, we identified a novel autosomal recessive cataract locus on 7q33-q36.1. Exome sequencing revealed a splice-site mutation in AGK, encoding acylglycerol kinase, which we confirm led to aberrant splicing and predicted premature truncation. This is the first mutation in this lipid metabolism gene to be implicated in the development of isolated cataract, although it remains to be seen if the mechanism involves perturbation of lenticular lipid composition or aberrant signaling during lens morphogenesis. Hum Mutat 33:960–962, 2012. © 2012 Wiley Periodicals, Inc.
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