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Globoid Cell Leukodystrophy

Breeds

Relevance Rating: The test is unknown, there is no evidence (i.e. research) available, or it has not been evaluated yet. These tests may or may not be meaningful for these breeds

General

Disease Name
Globoid Cell Leukodystrophy
Mutation
c.473A>C
Mutation 2
c.ins790_791 78bp
Test Type
Genetic Disease/Disorder
Details
Globoid cell leucodystrophy is a lysosomal storage disease. This is a progressive disease with signs including: problems walking, poor weight gain, tremors, behavioral changes, blindness, dementia, paralysis, incontinence. Age of onset 3 - 18 months of age, with increasing severity ususally leading to euthanasia by 2 - 6 months after onset of clinical signs. Definitive diagnosis via DNA testing.
Details 2
Globoid cell leucodystrophy is a lysosomal storage disease that results in neurological disease of dogs characterized by peripheral nerve, spinal cord and cerebellar dysfunction, caused by a mutation in the gene encoding galactocerebrosidase responsible for lysosomal hydrolysis of galactolipids found in myelin. Age of onset 3 - 18 months of age. Symptoms include: poor weight gain, progressive peripheral neuropathy including ataxia, leg crossing, tremors, and exercise induced paresis. This progresses to: behavioral changes, blindness, dementia, anorexia, cachexia, urinary incontinence and quadriparesis, with death occurring 2 - 6 months after onset of clinical signs. Definitive diagnosis via DNA testing.
Published
Victoria, T., Rafi, M.A., Wenger, D.A. : Cloning of the canine GALC cDNA and identification of the mutation causing globoid cell leukodystrophy in West Highland White and Cairn Terriers Genomics 33:457-462, 1996. Pubmed reference: 8661004. DOI: 10.1006/geno.1996.0220.
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