狗 拉布拉多尋回犬全色盲 2 型 (ACHM2-LR)

依品種或臨床分類過濾 DNA 測試

Achromatopsia Type 2 (ACHM2) in Labrador Retrievers is a genetic condition causing complete color blindness and vision impairment. This DNA test identifies carriers and affected dogs, helping breeders make informed decisions to reduce the risk of passing ACHM2 to puppies. Early detection through genetic testing ensures better management and care for affected Labradors. By using the ACHM2 DNA test, breeders promote healthier bloodlines and improve the overall quality of life for their dogs. This test is essential for responsible Labrador Retriever breeding programs focused on eye health. Protect your Labrador’s vision with accurate ACHM2 genetic screening today. Stay informed and support canine genetic health with reliable DNA testing services.

縮寫 ： ACHM2-LR

分析突變： CNGA3 c.1931_1933del

繼承： 體染色體隱性遺傳

可從包裝中取得： Basic

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Introduction to Achromatopsia Type 2 in Labrador Retrievers

Achromatopsia Type 2 (ACHM2) is a genetic eye disorder that affects the vision of Labrador Retrievers. This condition results from mutations in the CNGB3 gene, which plays a crucial role in the function of photoreceptor cells in the retina. Affected dogs exhibit a range of visual impairments, primarily characterized by a lack of color vision and sensitivity to bright light.

Clinical Signs of ACHM2

Dogs with Achromatopsia Type 2 typically demonstrate several noticeable symptoms. These may include photophobia (aversion to bright light), nystagmus (involuntary eye movement), and reduced visual acuity. Owners may observe their pets having difficulty navigating in brightly lit environments or showing signs of discomfort in sunlight. The condition often leads to a significant reduction in the quality of life, as affected dogs may struggle with everyday activities.

Genetic Basis of ACHM2

The underlying cause of Achromatopsia Type 2 is linked to genetic mutations in the CNGB3 gene, which is essential for the normal functioning of cone photoreceptors in the retina. These photoreceptors are responsible for color vision and visual clarity. When the CNGB3 gene is mutated, it disrupts the normal signaling pathways, leading to the characteristic symptoms of achromatopsia. The condition follows an autosomal recessive inheritance pattern, meaning that both parents must carry the mutated gene for the offspring to be affected.

Diagnosis of ACHM2

Diagnosis of Achromatopsia Type 2 is typically confirmed through genetic testing. A DNA test can identify the presence of mutations in the CNGB3 gene, providing a definitive diagnosis. Early identification of the condition is crucial for managing the visual challenges faced by affected Labrador Retrievers. Regular veterinary check-ups and consultations with a veterinary ophthalmologist can help monitor the progression of the disease and address any complications that may arise.

Management and Care for Affected Dogs

While there is no cure for Achromatopsia Type 2, management strategies can help improve the quality of life for affected Labrador Retrievers. Owners are encouraged to create a safe and accommodating environment, minimizing exposure to bright lights and ensuring that their pets have a clear understanding of their surroundings. Additionally, training and behavioral modifications can assist these dogs in adapting to their visual limitations, allowing them to navigate their environments more confidently.

結論

Achromatopsia Type 2 is a significant genetic condition that affects the vision of Labrador Retrievers, resulting in challenges related to color perception and light sensitivity. Understanding the genetic basis and symptoms of this condition is vital for dog owners and breeders alike. With appropriate management and care, affected dogs can lead fulfilling lives despite their visual impairments.

被認可參加測試的品種： 拉布拉多尋回犬全色盲 2 型 (ACHM2-LR)

• Labrador Retriever

🧬 Interpretation of genotypes ACHM2-LR

❓ 了解有關基因型解釋的更多信息

常見問題：理解解釋

「清晰」是什麼意思？

該動物不攜帶突變。就不會發展成這種疾病 並且不會傳遞下去。

「航母」是認真的嗎？

不會。該動物通常是健康的，但可以將突變傳播給它的 後代。

如果動物「受到影響」怎麼辦？

它攜帶兩個突變的副本。預計臨床症狀取決於 這種疾病。它不應該被培育。

為什麼男性/女性之間會有差異？

有些疾病與性別有關，因此其表現因性別而異 動物的性別。

預測後代

DNA 測試常見問題解答

這個 DNA 測試檢測到什麼？

This DNA test detects the mutation associated with Achromatopsia Type 2 In Labrador Retriever (ACHM2-LR) in order to identify clear, carrier, or at-risk animals.

為什麼要測試繁殖動物？

DNA 測試有助於飼養員計劃更安全的交配並降低將突變傳播給後代的風險。

這個測試的​​繼承模式是什麼？

此測試報告的遺傳模式是體染色體隱性遺傳。

此測試分析哪一種突變？

This test analyses the mutation CNGA3 c.1931_1933del.

攜帶動物是否必然受到影響？

未必。解釋取決於遺傳模式和產生的基因型。

參考

Tanaka Naoto, Dutrow Emily V, Miyadera Keiko, Delemotte Lucie, MacDermaid Christopher M, Reinstein Shelby L, Crumley William R, Dixon Christopher J, Casal Margret L, Klein Michael L, Aguirre Gustavo D, Tanaka Jacqueline C, Guziewicz Karina E. Canine CNGA3 Gene Mutations Provide Novel Insights into Human Achromatopsia-Associated Channelopathies and Treatment. PLoS One. 2015 Sep 25;10(9):e0138943. doi: 10.1371/journal.pone.0138943. eCollection 2015.