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Case Report Identification of a novel SLC45A2 mutation in albinism by targeted next-generation sequencing.

Research paper by J J JJ Xue, J F JF Xue, H Q HQ Xue, Y Y YY Guo, Y Y Liu, N N Ouyang

Indexed on: 06 Oct '16Published on: 06 Oct '16Published in: Genetics and molecular research : GMR



Abstract

Albinism is a diverse group of hypopigmentary disorders caused by multiple-genetic defects. The genetic diagnosis of patients affected with albinism by Sanger sequencing is often complex, expensive, and time-consuming. In this study, we performed targeted next-generation sequencing to screen for 16 genes in a patient with albinism, and identified 21 genetic variants, including 19 known single nucleotide polymorphisms, one novel missense mutation (c.1456 G>A), and one disease-causing mutation (c.478 G>C). The novel mutation was not observed in 100 controls, and was predicted to be a damaging mutation by SIFT and Polyphen. Thus, we identified a novel mutation in SLC45A2 in a Chinese family, expanding the mutational spectrum of albinism. Our results also demonstrate that targeted next-generation sequencing is an effective genetic test for albinism.