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A new locus (RP31) for autosomal dominant retinitis pigmentosa maps to chromosome 9p. 2005

Myrto Papaioannou, and Christina F Chakarova, and De Quincy C Prescott, and Naushin Waseem, and Thorsten Theis, and Irma Lopez, and Bhavdip Gill, and Robert K Koenekoop, and Shomi S Bhattacharya
Department of Molecular Genetics, Institute of Ophthalmology, UCL, 11-43 Bath Street, London, EC1V 9EL, UK.

Retinitis pigmentosa (RP) is a debilitating disease of the retina affecting approximately 1.5 million people worldwide. RP shows remarkable heterogeneity both clinically and genetically, with more than 40 genetic loci implicated, 12 of which account for the autosomal dominant form (adRP) of inheritance. We have recently identified a French Canadian family that presents with early onset adRP. After exclusion of all known loci for adRP, a genome-wide search established firm linkage with a marker from the short arm of chromosome 9 (LOD score of 6.3 at recombination fraction theta=0). The linked region is flanked by markers D9S285 and D9S1874, corresponding to a genetic distance of 31 cM, in the region 9p22-p13.

UI MeSH Term Description Entries
D008040 Genetic Linkage The co-inheritance of two or more non-allelic GENES due to their being located more or less closely on the same CHROMOSOME. Genetic Linkage Analysis,Linkage, Genetic,Analyses, Genetic Linkage,Analysis, Genetic Linkage,Genetic Linkage Analyses,Linkage Analyses, Genetic,Linkage Analysis, Genetic
D010375 Pedigree The record of descent or ancestry, particularly of a particular condition or trait, indicating individual family members, their relationships, and their status with respect to the trait or condition. Family Tree,Genealogical Tree,Genealogic Tree,Genetic Identity,Identity, Genetic,Family Trees,Genealogic Trees,Genealogical Trees,Genetic Identities,Identities, Genetic,Tree, Family,Tree, Genealogic,Tree, Genealogical,Trees, Family,Trees, Genealogic,Trees, Genealogical
D002874 Chromosome Mapping Any method used for determining the location of and relative distances between genes on a chromosome. Gene Mapping,Linkage Mapping,Genome Mapping,Chromosome Mappings,Gene Mappings,Genome Mappings,Linkage Mappings,Mapping, Chromosome,Mapping, Gene,Mapping, Genome,Mapping, Linkage,Mappings, Chromosome,Mappings, Gene,Mappings, Genome,Mappings, Linkage
D002899 Chromosomes, Human, Pair 9 A specific pair of GROUP C CHROMSOMES of the human chromosome classification. Chromosome 9
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D012174 Retinitis Pigmentosa Hereditary, progressive degeneration of the retina due to death of ROD PHOTORECEPTORS initially and subsequent death of CONE PHOTORECEPTORS. It is characterized by deposition of pigment in the retina. Pigmentary Retinopathy,Tapetoretinal Degeneration,Pigmentary Retinopathies,Retinopathies, Pigmentary,Retinopathy, Pigmentary,Tapetoretinal Degenerations
D017668 Age of Onset The age, developmental stage, or period of life at which a disease or the initial symptoms or manifestations of a disease appear in an individual. Age-at-Onset,Age at Onset,Onset Age
D040582 Inheritance Patterns The different ways GENES and their ALLELES interact during the transmission of genetic traits that effect the outcome of GENE EXPRESSION. Inheritance Pattern,Pattern, Inheritance,Patterns, Inheritance

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