Kaj pomeni »Počisti«?
Žival ne nosi mutacije. To ne bo razvilo bolezni in ga ne bo posredoval naprej.
mačka Gangliozidoza Gm2 pri japonskem domačem (GM2-JD)
Gangliosidosis GM2 in Japanese Domestic cats is a rare genetic disorder affecting the nervous system. This inherited condition leads to the accumulation of GM2 gangliosides, causing progressive neurological symptoms. A DNA test for Gangliosidosis GM2 helps breeders and cat owners identify carriers and affected cats early. Early diagnosis through genetic testing is crucial for managing the health and wellbeing of Japanese Domestic cats. By using a reliable DNA test, breeders can make informed decisions to prevent the spread of this debilitating disease. Protect your Japanese Domestic cat’s future with accurate Gangliosidosis GM2 DNA testing. Ensure a healthy lineage by screening for this genetic disorder today.
Okrajšava: GM2-JD
Analizirana mutacija: HEXB c.667C>T
dedovanje: Avtosomno recesivno
akronim
GM2-JD
Opazovana frekvenca
Klinična resnost
Klinična klasifikacija
Presnovne bolezni
Analizirana mutacija
HEXB c.667C>T
p.(R223*)
p.(R223*)
Način dedovanja
Avtosomno recesivno
Povzetek testa:
Gangliosidosis GM2 is a genetic disorder found in Japanese Domestic cats, caused by a deficiency in the enzyme responsible for breaking down GM2 gangliosides. A DNA test can identify carriers and affected cats by detecting mutations in the HEXA or HEXB genes. Early diagnosis through genetic testing helps breeders prevent the spread of this fatal disease. Affected cats typically show neurological symptoms such as weakness and loss of coordination. Responsible breeding practices rely on DNA testing to maintain the health of the Japanese Domestic cat population.
Na voljo iz paketa: Basic
Ta DNK test je vključen od našega paketa Basic — in je tudi del paketov Basic, Standard, Advanced, Complete.
Oglejte si pakete testov DNK →Izberite paket, ki najbolje ustreza vaši vzrejni ali zdravstveni strategiji vaših živali.
Understanding Gangliosidosis GM2 in Cats
Gangliosidosis GM2 is a genetic disorder that primarily affects the nervous system of cats. It is caused by a deficiency in the enzyme Hexosaminidase A (Hex-A), which is essential for the breakdown of certain lipids known as gangliosides. When this enzyme is deficient, gangliosides accumulate in the brain and other tissues, leading to progressive neurological dysfunction.
Clinical Signs of GM2 Gangliosidosis
Cats affected by GM2 gangliosidosis typically present a range of clinical signs that can vary in severity. Common symptoms include progressive weakness, lack of coordination, behavioral changes, and seizures. These symptoms usually manifest in young cats, often before they reach one year of age. As the condition progresses, affected cats may experience difficulty with movement, an inability to walk, and a decline in overall health.
Pathophysiology of GM2 Gangliosidosis
The pathophysiology of GM2 gangliosidosis is rooted in the accumulation of gangliosides due to the malfunction of the Hex-A enzyme. This accumulation leads to toxic effects on neuronal cells, resulting in cellular damage and death. Over time, the degeneration of nerve cells manifests as the neurological symptoms observed in affected cats. The condition is classified as a lysosomal storage disorder, highlighting the role of lysosomes in cellular waste management and the consequences of their dysfunction.
Genetic Basis of GM2 Gangliosidosis
GM2 gangliosidosis is inherited in an autosomal recessive manner, meaning that an individual must inherit two copies of the mutated gene—one from each parent—to develop the disease. The specific gene associated with this condition is located on chromosome 16 in cats. Genetic mutations that lead to the loss of Hex-A enzyme activity are responsible for the clinical manifestations of the disorder. Understanding the genetic foundation of GM2 gangliosidosis is critical for breeding programs aimed at reducing the incidence of this disease.
Diagnosis of GM2 Gangliosidosis
Diagnosis of GM2 gangliosidosis typically involves a combination of clinical evaluation and genetic testing. Veterinarians may suspect the condition based on clinical signs and a thorough neurological examination. However, definitive diagnosis often requires DNA testing to identify mutations in the gene responsible for the disorder. Early diagnosis is crucial for managing the condition and making informed decisions regarding the care of affected cats.
Management and Prognosis
Currently, there is no cure for GM2 gangliosidosis, and management focuses on supportive care to improve the quality of life for affected cats. This may include pain management, nutritional support, and environmental modifications to accommodate mobility challenges. The prognosis for cats with GM2 gangliosidosis is generally poor, with affected individuals often requiring humane euthanasia as the disease progresses. Awareness of this condition is essential for cat owners and breeders to make informed decisions regarding breeding practices and the health of their feline companions.
Pasma, priznana za test: Gangliozidoza Gm2 pri japonskem domačem (GM2-JD)
- Japanese domestic
🧬 Interpretation of genotypes GM2-JD
Genotip
Stanje
🟡 N/N
Brez prevoznika – brez tveganja
🟡 N/GM2-JD
Prevoznik - brez tveganja
❌ GM2-JD/GM2-JD
Prizadeti – ogroženi
Pogosta vprašanja: razumevanje interpretacije
Je "prevoznik" resen?
Ne. Žival je na splošno zdrava, vendar lahko prenese mutacijo na svojo potomci.
Kaj pa, če je žival "prizadeta"?
Nosi dve mutirani kopiji. Klinični znaki so pričakovani glede na bolezen. Ne sme se vzrejati.
Zakaj obstajajo razlike med moškim in žensko?
Nekatere bolezni so povezane s spolom, zato se njihov izraz razlikuje glede na spol živali.
Napoved potomcev
N/N (neprevoznik)
N/GM2-JD (Nosilec)
GM2-JD/GM2-JD (Prizadeti)
Pogosta vprašanja o testu DNK
Kaj ugotovi ta DNK test?
This DNA test detects the mutation associated with Gangliosidosis Gm2 In Japanese Domestic (GM2-JD) in order to identify clear, carrier, or at-risk animals.
Zakaj testirati plemensko žival?
Testiranje DNK pomaga rejcem pri načrtovanju varnejših parjenj in zmanjšanju tveganja prenosa mutacije na potomce.
Kakšen je način dedovanja tega testa?
Način dedovanja, poročan za ta test, je avtosomno recesivno.
Katero mutacijo analiziramo v tem testu?
This test analyses the mutation HEXB c.667C>T.
Ali je žival prenašalka nujno prizadeta?
Ni nujno. Razlaga je odvisna od vzorca dedovanja in nastalega genotipa.
Reference
Kanae Y, Endoh D, Yamato O, Hayashi D, Matsunaga S, Ogawa H, Maede Y, Hayashi M. Nonsense mutation of feline beta-hexosaminidase beta-subunit (HEXB) gene causing Sandhoff disease in a family of Japanese domestic cats. Res Vet Sci. 2007 Feb;82(1):54-60. doi: 10.1016/j.rvsc.2006.05.007. Epub 2006 Jul 26.