Vad betyder "Rensa"?
Djuret bär inte på mutationen. Det kommer inte att utveckla sjukdomen och kommer inte att föra det vidare.
Hund Von Willebrand Disease Ii Variant 1 (vWDII-1)
The Von Willebrand Disease II Variant 1 (vWDII-1) DNA test in dogs is essential for identifying carriers and affected animals of this inherited bleeding disorder. vWDII-1 affects platelet function, leading to prolonged bleeding times and increased risk of hemorrhage. Early genetic testing helps breeders make informed decisions to reduce the incidence of vWDII-1 in future generations. This DNA test is highly accurate and widely used in veterinary genetics to promote healthier dog populations. Understanding your dog's vWDII-1 status supports effective medical care and preventive measures. Ensure your dog’s health by opting for the Von Willebrand Disease II Variant 1 DNA test today. Reliable testing contributes to responsible breeding and improved canine well-being.
Förkortning: vWDII-1
Analyserad mutation: VWF c.1657T>G
Arv: Autosomal recessiv
Akronym
vWDII-1
Observerad frekvens
Klinisk svårighetsgrad
Klinisk klassificering
Hematologiska sjukdomar
Analyserad mutation
VWF c.1657T>G
p.(W553G)
p.(W553G)
Arvssätt
Autosomal recessiv (Komplett)
Testsammanfattning:
The Von Willebrand Disease II Variant 1 (vWDII-1) is a genetic disorder affecting dogs, characterized by a deficiency or dysfunction of the von Willebrand factor, which is crucial for blood clotting. This variant leads to increased bleeding tendencies, especially after injury or surgery. DNA testing can identify carriers and affected dogs, helping breeders make informed decisions to reduce the disease's prevalence. Early diagnosis through genetic screening allows for better management and care of affected dogs. Understanding vWDII-1 is essential for maintaining the health and safety of susceptible breeds.
Tillgänglig från paketet: Basic
Detta DNA-test ingår från och med vårt paket Basic — och är också en del av förpackningarna Basic, Standard, Advanced, Complete.
Se DNA-testpaket →Välj den flock som bäst passar din avels- eller hälsostrategi för dina djur.
Understanding Von Willebrand Disease II Variant 1 (vWDII-1) in Dogs
Von Willebrand Disease (vWD) is a hereditary bleeding disorder that affects various species, including dogs. Among its several variants, Von Willebrand Disease II Variant 1 (vWDII-1) is particularly significant in canine health. This condition is characterized by a deficiency in von Willebrand factor (vWF), a crucial protein that plays a vital role in blood clotting. The lack of sufficient vWF leads to an increased risk of bleeding, making it essential for dog owners and veterinarians to be aware of this condition.
Pathophysiology of vWDII-1
Von Willebrand factor is produced by endothelial cells and megakaryocytes and is crucial for platelet adhesion and aggregation at sites of vascular injury. In vWDII-1, the defect in vWF results in impaired platelet function, which can lead to excessive bleeding. This bleeding can occur spontaneously or in response to injury, and its severity can vary based on the extent of the deficiency. The genetic mutation causing vWDII-1 affects the structure of the vWF, impairing its function, which is essential for maintaining proper hemostasis.
Clinical Signs of vWDII-1
Dogs affected by vWDII-1 may exhibit a variety of clinical signs, primarily related to bleeding issues. Common symptoms include prolonged bleeding after cuts or surgeries, nosebleeds, excessive bruising, and blood in urine or feces. In some cases, affected dogs may experience spontaneous bleeding episodes, which can be alarming for pet owners. It is important for dog owners to recognize these signs and seek veterinary advice if they suspect their pet may have vWDII-1.
Diagnosis of vWDII-1
Diagnosing Von Willebrand Disease II Variant 1 involves a combination of clinical assessment and specialized laboratory tests. Veterinarians may perform a complete blood count and specific coagulation tests to evaluate platelet function and assess the levels of von Willebrand factor in the bloodstream. Genetic testing can also confirm the presence of mutations associated with vWDII-1, providing definitive evidence of the condition.
Hanterings- och behandlingsalternativ
While there is no cure for vWDII-1, management strategies can significantly improve the quality of life for affected dogs. Treatment options may include desmopressin, a medication that stimulates the release of vWF from endothelial cells, thereby increasing its levels and improving clotting ability. In severe cases, blood transfusions or vWF concentrates may be necessary during bleeding episodes. Regular monitoring and preventive care are crucial to minimize the risks associated with this disorder.
Slutsats
Von Willebrand Disease II Variant 1 (vWDII-1) is a significant genetic condition impacting the blood clotting ability of dogs. Understanding its pathophysiology, clinical signs, diagnosis, and management options is essential for dog owners and veterinarians alike. With proper care and awareness, affected dogs can lead fulfilling lives despite the challenges posed by this hereditary bleeding disorder.
Ras erkänd för testet: Von Willebrand Disease Ii Variant 1 (vWDII-1)
- Chinese Crested
- German Shorthaired Pointer
- German Wirehaired Pointer
🧬 Interpretation of genotypes vWDII-1
Genotyp
Status
🟡 N/N
Icke-operatör - ingen risk
🟡 N/vWDII-1
Transportör - ingen risk
❌ vWDII-1/vWDII-1
Berörd - i riskzonen
FAQ: förstå tolkningen
Är en "Carrier" seriös?
Nej. Djuret är i allmänhet friskt men kan överföra mutationen till dess avkomma.
Vad händer om ett djur är "påverkat"?
Den bär två muterade kopior. Kliniska tecken förväntas beroende på sjukdomen. Det ska inte födas upp.
Varför finns det skillnader mellan man/kvinna?
Vissa sjukdomar är könsbundna, så deras uttryck varierar beroende på djurs kön.
Förutsäg avkomma
N/N (icke-barare)
N/vWDII-1 (Bärare)
vWDII-1/vWDII-1 (Påverkad)
Vanliga frågor om DNA-test
Vad upptäcker detta DNA-test?
This DNA test detects the mutation associated with Von Willebrand Disease Ii Variant 1 (vWDII-1) in order to identify clear, carrier, or at-risk animals.
Varför testa ett avelsdjur?
DNA-testning hjälper uppfödare att planera säkrare parningar och minska risken för att mutationen överförs till avkomman.
Vad är nedärvningsläget för detta test?
Nedärvningsläget som rapporterats för detta test är autosomalt recessivt.
Vilken mutation analyseras i detta test?
This test analyses the mutation VWF c.1657T>G.
Är ett bärardjur nödvändigtvis påverkat?
Inte nödvändigtvis. Tolkning beror på arvsmönstret och den resulterande genotypen.
Referenser
VosLoohuis M, van Oost B A, Dangel C, LangbeinDetsch I, Leegwater P A. A novel VWF variant associated with type 2 von Willebrand disease in German Wirehaired Pointers and German Shorthaired Pointers. Anim Genet. 2017 Aug;48(4):493-496. doi: 10.1111/age.12544. Epub 2017 Feb 3.