期刊
MAMMALIAN GENOME
卷 25, 期 7-8, 页码 354-362出版社
SPRINGER
DOI: 10.1007/s00335-014-9517-z
关键词
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资金
- National Center for Research Resources [R24 RR016094]
- Office of Research Infrastructure Programs [OD R24OD010928]
- Winn Feline Foundation [W10-014, W11-041]
- Cat Health Network [CHN-556]
- George and Phyllis Miller Feline Health Fund
- Center for Companion Animal Health, School of Veterinary Medicine, University of California, Davis
- Kuwait University, Kuwait
Hereditary eye diseases of animals serve as excellent models of human ocular disorders and assist in the development of gene and drug therapies for inherited forms of blindness. Several primary hereditary eye conditions affecting various ocular tissues and having different rates of progression have been documented in domestic cats. Gene therapy for canine retinopathies has been successful, thus the cat could be a gene therapy candidate for other forms of retinal degenerations. The current study investigates a hereditary, autosomal recessive, retinal degeneration specific to Persian cats. A multi-generational pedigree segregating for this progressive retinal atrophy was genotyped using a 63 K SNP array and analyzed via genome-wide linkage and association methods. A multi-point parametric linkage analysis localized the blindness phenotype to a similar to 1.75 Mb region with significant LOD scores (Z a parts per thousand 14, theta = 0.00) on cat chromosome E1. Genome-wide TDT, sib-TDT, and case-control analyses also consistently supported significant association within the same region on chromosome E1, which is homologous to human chromosome 17. Using haplotype analysis, a similar to 1.3 Mb region was identified as highly associated for progressive retinal atrophy in Persian cats. Several candidate genes within the region are reasonable candidates as a potential causative gene and should be considered for molecular analyses.
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