Autosomal dominant retinitis pigmentosa with a rhodopsin mutation (Arg-135–Trp): Disease phenotype in a Swedish family

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Abstract

We here present the clinical phenotype in 6 patients from a family with autosomal dominant retinitis pigmentosa found to carry a point mutation in the rhodopsin gene (arginine-135-tryptophan). The mutation is the second found by mutation screening of DNA from 20 Swedish families with dominant retinitis pigmentosa. With full-field electroretinography we could document a severe form of retinitis pigmentosa in patients belonging to the family, similar to the phenotype associated with the previously reported mutation (arginine-135-leucine). Our results indicate that different point mutations in the same region of the rhodopsin gene, resulting in amino acids with similar properties (both hydrophobic), may cause a similar clinical phenotype. Further, point mutations in this specific region seem to cause an agressive form of retinitis pigmentosa.

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  • Ophthalmology
Original languageEnglish
Pages (from-to)218-223
JournalActa Ophthalmologica Scandinavica
Volume75
Issue number2
Publication statusPublished - 1997
Publication categoryResearch
Peer-reviewedYes