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Hyperuricosuria and Hyperuricemia (HUU) is the presence of unusually high amounts of the waste product uric acid in the urine and blood, respectively.
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Specifications
Breeds | |
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Gene | |
Organ | |
specimen | Swab, Blood EDTA, Blood Heparin, Semen, Tissue |
Mode of Inheritance | |
Chromosome | |
Also known as | |
Year Published |
General information
Hyperuricosuria and Hyperuricemia (HUU) is the presence of unusually high amounts of the waste product uric acid in the urine and blood, respectively. The disorder may lead to urolithiasis (kidney and bladder stones), which in turn can result in potentially severe urinary tract blockages. In dogs, the disorder is caused by a recessive mutation to the gene SLC2A9.
All purebred Dalmatians are homozygous for this mutation, which puts the breed at increased risk for urolithiasis. It has also been observed at lower frequencies in other breeds, such as the Majorca Mastiff.
Clinical features
Clinical features are high uric acid levels, which may result in bladder stones.
Symptoms of urinary stones can include straining to urinate, frequent urination, bloody urine and in advanced cases life-threatening urinary tract obstruction. Surgery is often needed to remove the stones. The likelihood of developing urate stones can be reduced by using specialized nutrition.
Additional information
References
Pubmed ID: 18989453
Omia ID: 1033