Abstract
OBJECTIVE To delineate a deletional mutation of the Dystrophin gene on the short arm of chromosome X in a family affected with Duchenne/Becker muscular dystrophy. METHODS G-banded karyotyping, multiple ligation probe amplification (MLPA), array-based comparative genomic hybridization(array-CGH) and whole genome exon high-throughput sequencing were employed to delineate the mutation in the family. RESULTS GTG banding has demonstrated deletion of the terminal part of the short arm of chromosome X in the fetus. The same deletion was also found in its mother and maternal grandmother. MLPA analysis has revealed removal of exons 52 to 79 of the Dystrophin gene. A 30 Mb deletion in Xp22.33-p21.1 and a 10 Mb duplication in Xq27.2-q28 were identified by array-CGH and whole genome exon high-throughput sequencing. CONCLUSION The Xp deletion has led to deletion of exons 52 to 79 of the Dystrophin gene in the family. The female carriers also had certain features of Turner syndrome due to the same deletion.
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Schedule a callMore From: Zhonghua yi xue yi chuan xue za zhi = Zhonghua yixue yichuanxue zazhi = Chinese journal of medical genetics
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