What is PRA pd – Progressive Retinal Atrophy Persian?
The disease declared at 5 weeks old with blindness at 4 monthes.
Symptoms starts with eye movements that are not well coordinate.
Cats that are carriers (N/PRA-pd) have a normal vision even if we can observed changes in retinal pigment epithelium.
Type of sample
Here is the list of the different types of samples that are accepted for this test :
- バッカル綿棒
- EDTAチューブ内の血液
- ドライ チューブの血液
Available breeds for the test : PRA pd - Progressive Retinal Atrophy Persian
The following breeds are recognized :
- Exotic Shorthair
- Persan
Understanding results of the test : PRA pd - Progressive Retinal Atrophy Persian
Test name : PRA pd - Progressive Retinal Atrophy Persian
Gene Mutation : AIPL1 c.577C>T
Heredity : autosomal recessive (more information)
Penetrance : complete (more information)
Gene Mutation : AIPL1 c.577C>T
Heredity : autosomal recessive (more information)
Penetrance : complete (more information)
| Test result | PRA pd - Progressive Retinal Atrophy Persian status (AIPL1 c.577C>T) | Health status |
|---|---|---|
| N/N | No copy of the PRA pd mutation | Animal is normal (clear) |
| N/PRA pd | 1 copy of the PRA pd mutation | Animal is normal (clear) |
| PRA pd/PRA pd | 2 copies of the PRA pd mutation | Animal is, will or could be affected |
Cross table of the test : PRA pd - Progressive Retinal Atrophy Persian
| Mother N/N | Mother N/PRA pd | Mother PRA pd/PRA pd | |
|---|---|---|---|
| Father N/N | 100% N/N | 50% N/N 50% N/PRA pd | 100% N/PRA pd |
| Father N/PRA pd | 50% N/N 50% N/PRA pd | 25% N/N 50% N/PRA pd 25% PRA pd/PRA pd | 50% N/PRA pd 50% PRA pd/PRA pd |
| Father PRA pd/PRA pd | 100% N/PRA pd | 50% N/PRA pd 50% PRA pd/PRA pd | 100% PRA pd/PRA pd |
Certificate example for the test : PRA pd - Progressive Retinal Atrophy Persian
Click on the example certificate below to open it.
References
Rah H, Maggs DJ, Blankenship TN, Narfstom K, Lyons LA. 2005. Early-Onset, Autosomal Recessive, Progressive Retinal Atrophy in Persian Cats. Invest. Ophthalmol. Vis. Sci. 46:1742-1747.
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