Progressive Retinal Atrophy (PRA3) – Tibetan Type
Code: H373
Short description
Progressive Retinal Atrophy (PRA) is a large group of genetic diseases in which the retina gradually degenerates over time, causing a progressive loss of vision.
General information
Progressive Retinal Atrophy (PRA) is a large group of genetic diseases in which the retina gradually degenerates over time, causing a progressive loss of vision. This variant of PRA, Progressive Retinal Atrophy type 3, occurs in the Tibetan Spaniel and Tibetan Terrier. It is associated with by a recessive mutation to the gene FAM161A.
Specifications
| Breeds | |
|---|---|
| Gene | FAM161A |
| Chromosome | 10 |
| Organ | Sensory organs |
| Specimen | Swab, Blood EDTA, Blood Heparin, Semen, Tissue |
| Mode of Inheritance | Autosomal Recessive |
| Also known as | PRA; PRA3 |
Clinical features
Affected dogs generally show the first signs of night blindness between three and seven years of age. After the initial signs present, the disease can progress rapidly, often leading to complete loss of vision within one year. Opthalmological examination can reveal thinning of the retinas.
Additional information
The mutation in this test is a risk factor, and has not yet been established as the sole cause of the disorder.
References
Pubmed ID: 24705771
Year published: 2014
Omia ID: 1918
Omia variant ID:
Turnaround information
- 15 working days