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Evaluation Of Cgmp-Phosphodiesterase (Pde) Subunits For Causal Association With Rod–Cone Dysplasia 2 (Rcd2), A Canine Model Of Abnormal Retinal Cgmp Metabolism, Weiquan Wang, Gregory Acland, Kunal Ray, Gustavo Aguirre
Evaluation Of Cgmp-Phosphodiesterase (Pde) Subunits For Causal Association With Rod–Cone Dysplasia 2 (Rcd2), A Canine Model Of Abnormal Retinal Cgmp Metabolism, Weiquan Wang, Gregory Acland, Kunal Ray, Gustavo Aguirre
Gustavo D. Aguirre, VMD, PhD
Rod-cone dysplasia types 1 (rcd1; Irish setter) and 2 (rcd2; collie) in dogs are early onset forms of progressive retinal atrophy (PRA) which serve as models of retinitis pigmentosa(RP) in humans. As bothrcd1 and rcd2 result from abnormal retinal cGMP metabolism associated with a deficiency in cGMP-phosphodiesterase (PDE) activity, and a nonsense mutation in the PDE6B subunit gene has been shown to cause rcd1, the genes encoding the four subunits of the PDE complex (PDE6A, PDE6B, PDE6G and PDE6D) make compelling candidates for the rcd2 locus. We adopted diverse strategies to evaluate causal association of the four PDE subunit genes …