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Gangliosidosis (GM2 Type II) is a fatal, progressive neurodegenerative disease caused by mutations in the HEXA and HEXB genes.
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Specifications
| Breeds | |
|---|---|
| Gene | |
| Organ | |
| specimen | Swab, Blood EDTA, Blood Heparin, Semen, Tissue |
| Mode of Inheritance | |
| Chromosome | |
| Also known as | |
| Year Published |
General information
Gangliosidosis (GM2 Type II) is a fatal, progressive neurodegenerative disease caused by mutations in the HEXA and HEXB genes. These mutations lead to a deficiency of an enzyme that is crucial for breaking down ganglioside GM2 in cells, especially in the brain. As a result, gangliosides build up in nerve cells, causing their dysfunction and death. This buildup leads to worsening neurological damage and severe symptoms over time. Here we test for an autosomal recessive mutation in HEXB in the poodle. A related mutation of this gene is found in the Shiba Inu.
Clinical features
Dogs affected with Gangliosidosis can show a variety of symptoms including lack of coordination, depression, behavioral changes, head shaking, mental dullness, seizures, blindness, deafness, developmental delay. Specific to GM2-0: tremors, vision loss, vomiting and balance loss ( 9-12 months of age) - death at 18-23 months of age.
Additional information
References
Pubmed ID: 22766310
Omia ID: 1462