Mucopolysaccharidosis Type I

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Test Overview:

Mucopolysaccharidosis Type I is classified as a lysosomal storage disease. Symptoms include tremor, difficulty balancing and walking, head tilts, falling, generalided balance problems, growth retardation, corneal clouding leading to visual impairment, and lameness. The disease is progressive. Age of onset varies, but normally early adulthood. The clinical signs in the dogs have been reported to appear between 2-4 years of age.


Metabolic - Associated with the enzymes and metabolic processes of cells



Variant Detected:



Low-Moderate. This disease can cause some discomfort and/or dysfunction in the affected animal. It does not generally affect life expectancy.

Mode of Inheritance:

Autosomal Recessive

Research Citation(s):

Menon, K.P., Tieu, P.T., Neufeld, E.F. : Architecture of the Canine IDUA Gene and Mutation Underlying Canine Mucopolysaccharidosis-I Genomics 14:763-768, 1992. Pubmed reference: 1339393

Associated Breed(s):

Domestic Medium / Long Hair, Domestic Short Hair,