期刊
JOURNAL OF HUMAN GENETICS
卷 51, 期 9, 页码 827-831出版社
NATURE PUBLISHING GROUP
DOI: 10.1007/s10038-006-0028-y
关键词
CORD8; phenotype; cone-rod dystrophy; visual acuity; retinal dystrophy
资金
- Wellcome Trust [063406/Z/2000/Z] Funding Source: Medline
Cone-rod retinal dystrophy (CORD) characteristically leads to early impairment of vision due to the simultaneous involvement of both cone and rod photoreceptor cells. Several loci/genes have been identified for CORD, including the cone-rod dystrophy (CORD8) locus [OMIM#605549] identified for a Pakistani family. All members of this family underwent detailed clinical re-examination to determine the nature of the dystrophy. All affected individuals suffered from bilateral CORD8 with an autosomal recessive mode of inheritance. The CORD8 locus, mapped on chromosome 1q12-q24, consisted of a very large critical disease region of 21 cM. Analysis with more recently available micro-satellite markers within the reported region showed heterozygosity with some of the new markers, and the crossovers lead to a refinement of the disease region from 21 to 11.53 cM. Mutation screening has excluded some of the candidate genes in the region. The disease phenotype of this family could be due to a mutation in a novel gene located within the refined CORD8 locus.
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