PMID: 8586428Nov 20, 1995Paper

A gene for autosomal dominant progressive cone dystrophy (CORD5) maps to chromosome 17p12-p13

Genomics
J BalciunieneK Forsman

Abstract

Inherited retinal dystrophy is a common cause of visual impairment. Cone dystrophy affects the cone function and is manifested as progressive loss of the central vision, defective color vision, and photophobia. Linkage was demonstrated between progressive cone dystrophy (CORD5) and genetic markers on chromosome 17p12-p13 in a five-generation family. Multipoint analysis gave a maximum lod score of 7.72 at the marker D17S938. Recombinant haplotypes in the family suggest that the cone dystrophy locus is located in a 25-cM interval between the markers D17S926/D17S849 and D17S804/D17S945. Furthermore, one recombination was detected between the disease locus and a microsatellite marker in the candidate gene RCV1, encoding the retinal protein recoverin. Two additional candidate genes encoding retinal guanylate cyclase (GUC2D) and pigment epithelium-derived factor (PEDF) are located at 17p13.1. Moreover, loci for retinitis pigmentosa and Leber congenital amaurosis have been mapped to the same region. Identification of the cone dystrophy locus may be of importance not only for identifying functional genes in the cone system, but also for identifying genes for other retinal disorders.

Citations

Dec 4, 2002·European Journal of Human Genetics : EJHG·Louise M DowneyChris F Inglehearn
Mar 23, 2007·European Journal of Human Genetics : EJHG·Linda KöhnIrina Golovleva
Apr 16, 2002·Acta Ophthalmologica Scandinavica·Kei ShinodaYoshihisa Oguchi
Apr 30, 2014·Mammalian Genome : Official Journal of the International Mammalian Genome Society·Hasan AlhaddadLeslie A Lyons
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