Skip to content
Back

Progressive Retinal Atrophy (Bullmastiff/Mastiff Type)

Progressive Retinal Atrophy (PRA-D) (Bullmastiff/Mastiff Type) is an inherited eye disease in Bullmastiffs and Mastiffs characterized by the degeneration of rod photoreceptors, leading to night blindness and eventual total vision loss.

Affected Genes: RHO

Inheritance: Autosomal Dominant

Variant(canFam6):
chr20:5674893: G>C

Breed: Bullmastiff
Mastiff

References:
Kijas JW, Cideciyan AV, Aleman TS, Pianta MJ, Pearce-Kelling SE, Miller BJ, Jacobson SG, Aguirre GD, Acland GM. Naturally occurring rhodopsin mutation in the dog causes retinal dysfunction and degeneration mimicking human dominant retinitis pigmentosa. Proc Natl Acad Sci USA. 2002 99(9):6328-6333.

Kijas JW, Miller BJ, Pearce-Kelling SE, Aguirre GD, Acland GM. Canine models of ocular disease: outcross breedings define a dominant disorder present in the English mastiff and bull mastiff dog breeds. J Hered. 2003 94(1):27-30.