Journal
HUMAN MUTATION
Volume 33, Issue 6, Pages 960-962Publisher
WILEY-BLACKWELL
DOI: 10.1002/humu.22071
Keywords
AGK; autosomal recessive cataract; exome; autozygosity; lenticular lipids
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Funding
- King Abdulaziz City for Science and Technology [08MED497-20]
- Dubai Harvard Foundation for Medical Research
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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. (C) 2012 Wiley Periodicals, Inc.
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