Laboratory for Molecular Diagnostics
Center for Nephrology and Metabolic Disorders
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Hyperuricemic nephropathy, familial juvenile 1

Familial juvenile hyperuricemic nephropathy 1 is an autosomal dominant disorder caused by mutations of the UMOD gene. The predominant clinical feature is hyperuricemia; which accounts for gout and nephropathy with progressive renal failure.


The patients usually resents with gout or progressive renal failure. Often there is a striking family history of such disorders. The clinical diagnosis can be made based on laboratory findings of hyperuricemia and reduced fractional clearance of uric acid. The diagnosis can be proved by molecular genetic methods. Molecular genetic diagnosis and fractional clearance of uric acid are the only methods practicable to identify asymptomatic family members.


The progression of renal can be significantly reduced by allupurinol. Early therapy is mandatory.


Hyperuricemic nephropathy
Hyperuricemic nephropathy, familial juvenile 1
Hyperuricemic nephropathy, familial juvenile 2



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Update: Aug. 14, 2020
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