O que significa “Limpar”?
O animal não carrega a mutação. Não desenvolverá a doença e não vai passar adiante.
Cachorro Doença de Alexander (AxD)
Are you concerned about your dog's health? A DNA test for Alexander Disease in dogs can provide valuable insights. This genetic disorder affects the brain and can lead to severe neurological issues. By conducting a simple DNA test, you can identify if your dog is a carrier or affected by this rare condition. Early detection allows for better management and care options. Protect your furry friend by understanding their genetic predispositions. Invest in a DNA test today and ensure a healthier future for your beloved pet!
Abreviatura: AxD
Mutação analisada: GFAP c.719G>A
Herança: Autossômico Dominante
Acrônimo
AxD
Frequência observada
Gravidade clínica
Classificação clínica
Doenças Neurológicas
Mutação analisada
GFAP c.719G>A
p.(R240H)
p.(R240H)
Modo de herança
Autossômico Dominante
Resumo do teste:
Alexander Disease is a rare neurological disorder that can affect dogs, particularly certain breeds like the Boxer and the Boston Terrier. A DNA test for Alexander Disease identifies mutations in the GFAP gene, which are responsible for the condition. Early detection through genetic testing can help pet owners make informed decisions about breeding and treatment options. Symptoms may include tremors, seizures, and difficulty walking, often appearing in young dogs. Understanding this genetic risk can improve the quality of life for affected pets.
Disponível no pacote: Basic
Este teste de DNA está incluído a partir do nosso pacote Basic - e também faz parte dos packs Basic, Standard, Advanced, Complete.
Ver pacotes de teste de DNA →Escolha o pack que melhor se adapta à sua estratégia de criação ou saúde dos seus animais.
Understanding Alexander Disease in Dogs
Alexander Disease is a rare neurological disorder that primarily affects the central nervous system in dogs. It is classified as a leukodystrophy, which means it impacts the myelin sheath—the protective covering that surrounds nerve fibers. This condition is caused by mutations in the GFAP gene, leading to the accumulation of glial fibrillary acidic protein (GFAP) in the brain, which disrupts normal brain function.
Symptoms and Clinical Signs
Dogs with Alexander Disease may exhibit a range of neurological symptoms that can progress over time. Common clinical signs include difficulty walking or maintaining balance, seizures, changes in behavior, and a decline in cognitive function. As the disease advances, affected dogs may also experience muscle weakness and atrophy, leading to a decreased quality of life.
Importância dos testes de DNA
DNA testing for Alexander Disease is a crucial tool for early diagnosis and management of the condition. By identifying carriers of the GFAP mutation, breeders can make informed decisions to reduce the risk of this disorder in future generations. Early detection through DNA testing can also help pet owners prepare for potential health challenges and seek appropriate veterinary care.
Diagnosis and Treatment Options
Diagnosis of Alexander Disease typically involves a combination of clinical evaluation, imaging studies, and genetic testing. While there is currently no cure for this condition, supportive care can help manage symptoms and improve the quality of life for affected dogs. Treatment may include medications for seizures, physical therapy to maintain mobility, and nutritional support to ensure overall health.
Conclusão
Alexander Disease is a serious condition that can have significant implications for affected dogs and their families. DNA testing plays a vital role in understanding and managing this disorder, allowing for early intervention and informed breeding practices. Awareness of the disease and its symptoms can empower pet owners to seek timely medical advice and support for their furry companions.
Raça reconhecida para o teste: Doença de Alexander (AxD)
- Labrador Retriever
🧬 Interpretation of genotypes AxD
Genótipo
Status
🟡 N/N
Não portador - sem risco
🟡 N/AxD
Transportadora - em risco
❌ AxD/AxD
Afetados - Em risco
FAQ: entendendo a interpretação
Um “transportador” é sério?
Não. O animal é geralmente saudável, mas pode transmitir a mutação ao seu descendência.
E se um animal for “afetado”?
Ele carrega duas cópias mutadas. Os sinais clínicos são esperados dependendo a doença. Não deveria ser criado.
Por que existem diferenças entre homem/mulher?
Algumas doenças estão ligadas ao sexo, pelo que a sua expressão varia dependendo do sexo do animal.
Prever descendência
N/N (nao-portador)
N/AxD (Operadora)
AxD/AxD (Afetado)
Perguntas frequentes sobre testes de DNA
O que este teste de DNA detecta?
This DNA test detects the mutation associated with Alexander Disease in order to identify clear, carrier, or at-risk animals.
Por que testar um animal reprodutor?
Os testes de DNA ajudam os criadores a planejar acasalamentos mais seguros e a reduzir o risco de transmissão da mutação aos descendentes.
Qual é o modo de herança deste teste?
O modo de herança relatado para este teste é Autossômico Dominante.
Qual mutação é analisada neste teste?
This test analyses the mutation GFAP c.719G>A.
Um animal portador é necessariamente afetado?
Não necessariamente. A interpretação depende do padrão de herança e do genótipo resultante.
Referências
Van Poucke Mario, Martlé Valentine, Van Brantegem Leen, Ducatelle Richard, Van Ham Luc, Bhatti Sofie, Peelman Luc J. A canine orthologue of the human GFAP c.716G>A (p.Arg239His) variant causes Alexander disease in a Labrador retriever. Eur J Hum Genet. 2016 Jun;24(6):852-6. doi: 10.1038/ejhg.2015.223. Epub 2015 Oct 21.