PRA-b – Bengal Progressive Retinal Atrophy symptoms
The symptoms of PRA begin to occur in the kitten at the age of 2 months. Generally, the majority of cats become blind at 2 years old. The first signs are a difficulty to move in the dark.
New PRA-b DNA test
Initially, a test had been developed on a first genetic variant. The analysis of many Bengal cat has revealed another mutation that, to date, seems perfectly linked to the PRA-b. This new mutation is tested.
テストのために利用可能な品種: PRA-b - Bengal Progressive Retinal Atrophy
次の品種が認識されます。
- Bengal
テストの結果を理解する: PRA-b - Bengal Progressive Retinal Atrophy
遺伝： 常染色病性劣性 (詳細情報)
| テスト結果 | PRA-b - Bengal Progressive Retinal Atrophy 状態 ( ) | 正常性の状態 |
|---|---|---|
| N/N | No copy of the PRA-b mutation | 動物は正常(クリア) |
| N/PRA-b | 1 copy of the PRA-b mutation | 動物は正常(クリア) |
| PRA-b/PRA-b | 2 copies of the PRA-b mutation | 動物は、影響を受ける可能性がある、または影響を受ける可能性がある |
テストのクロステーブル: PRA-b - Bengal Progressive Retinal Atrophy
| 母 N/N | 母 N/PRA-b | 母 PRA-b/PRA-b | |
|---|---|---|---|
| 父 N/N | 100% N/N | 50% N/N 50% N/PRA-b | 100% N/PRA-b |
| 父 N/PRA-b | 50% N/N 50% N/PRA-b | 25% N/N 50% N/PRA-b 25% PRA-b/PRA-b | 50% N/PRA-b 50% PRA-b/PRA-b |
| 父 PRA-b/PRA-b | 100% N/PRA-b | 50% N/PRA-b 50% PRA-b/PRA-b | 100% PRA-b/PRA-b |
テストの証明書の例: PRA-b - Bengal Progressive Retinal Atrophy
以下の証明書の例をクリックして開きます。
参照
Ofri R, Reilly CM, Maggs DJ, Fitzgerald PG, Shilo-Benjamini Y, Good KL, Grahn
RA, Splawski DD, Lyons LA. Characterization of an early-onset, autosomal recessive, progressive retinal degeneration in Bengal cats. (2015) Investigative Ophthalmology & Visual Science Aug;56(9):5299-308. doi: 10.1167/iovs.15-16585. PubMed PMID: 26258614;PubMed Central PMCID: PMC4539567.
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