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Progressive Retinal Atrophy, PRA1

Breed: Saint Germain Pointer


Relevance Rating: Some evidence for test being meaningful in this breed

Relevance Rating: Unknown, not evaluated or no evidence for test for these breeds


Disease Name
Progressive Retinal Atrophy, PRA1
Mutation 2
Test Type
Genetic Disease/Disorder
This form of PRA for the Golden Retriever is one of several that can be tested for. The signs of GR PRA1 are typical of the late-onset forms of the disease. Age of diagnosis is most often around 6 years, but there is variation across the breed. Dogs typically experience night blindness leading to reduced sight even in bright conditions. There are known to be more than one gene mutations that cause PRA(prcd) in the Golden Retriever. Any test for GR PRA 1 can only confirm for the mutation, or not, in this specific form.
Details 2
Most PRA cases in the Golden Retriever (GR) are clinically indistinguishable from other forms of PRA. The mode of inheritance appears from pedigree information to be autosomal recessive. While the age of diagnosis is most commonly at a relatively late age of approximately 6 years there is a great deal of variation within the breed. There are known to be more than one gene mutations that cause PRA(prcd) in the Golden Retriever.
Downs, L.M., Wallin-Håkansson, B., Boursnell, M., Marklund, S., Hedhammar, Å., Truvé, K., Hübinette, L., Lindblad-Toh, K., Bergström, T., Mellersh, C.S. : A frameshift mutation in golden retriever dogs with progressive retinal atrophy endorses SLC4A3 as a candidate gene for human retinal degenerations. PLoS One 6:e21452, 2011. Pubmed reference: 21738669. DOI: 10.1371/journal.pone.0021452.
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