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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

Mutation identification in a 5-generation pedigree with autosomal dominant retinitis pigmentosa.

An extended 5-generation family has been investigated in which 32 of the 111 family members were diagnosed as having retinitis pigmentosa ( RP). The proband was a 58-year old male in whom night-blindness was first observed in early childhood, with almost loss of vision by 52 years of age. The symptoms observed in other family members included night-blindness, impaired vision and visual field loss. Dementia, digital abnormalities, deaf-mutism and mental retardation were variously diagnosed in a number of individuals with RP. The affected and unaffected family members were tested for mutations in a range of candidate genes. The 8 exons of three candidate genes have been analyzed by polymerase chain reaction-single strand conformation polymorphism (PCR-SSCP) and DNA sequencing techniques. A novel mutation was identified in the rhodopsin gene at codon 52 of exon 1 (TTC-TAC) that resulted in a substitution of Phe to Tyr.[1]


  1. Mutation identification in a 5-generation pedigree with autosomal dominant retinitis pigmentosa. Teng, Y., Tian, H., Wang, H., Hu, X., Wang, W., Chen, Y., Yang, Z. Journal of Huazhong University of Science and Technology. Medical sciences = Hua zhong ke ji da xue xue bao. Yi xue Ying De wen ban = Huazhong keji daxue xuebao. Yixue Yingdewen ban. (2003) [Pubmed]
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