期刊
JOURNAL OF HUMAN GENETICS
卷 56, 期 1, 页码 8-11出版社
NATURE PUBLISHING GROUP
DOI: 10.1038/jhg.2010.121
关键词
array CGH; congenital cataract; mental retardation; microdeletion; Nance-Horan syndrome
资金
- National Health Research Institutes, Taiwan
Nance-Horan syndrome (NHS) is a rare X-linked disorder characterized by congenital cataracts, dental anomalies and mental retardation. The disease has been linked to a novel gene termed NHS located at Xp22.13. The majority of pathogenic mutations of the disease include nonsense mutations and small deletions and insertions that lead to truncation of the NHS protein. In this study, we identified a microdeletion of similar to 0.92Mb at Xp22.13 detected by array-based comparative genomic hybridization in two brothers presenting congenital cataract, dental anomalies, facial dysmorphisms and mental retardation. The deleted region encompasses the REPS2, NHS, SCML1 and RAI2 genes, and was transmitted from their carrier mother who presented only mild cataract. Our findings are in line with several recent case reports to indicate that genomic rearrangement involving the NHS gene is an important genetic etiology underlying NHS. Journal of Human Genetics (2011) 56, 8-11; doi:10.1038/jhg.2010.121; published online 30 September 2010
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