A Simple Genetic Test for Kidney DiseaseThis technology relates to methods of diagnosing a predisposition to diseases that cause chronic kidney disease (CKD) and end-stage kidney disease (ESKD). Variations in a gene, non-muscle myosin IIA (MYH9), are associated with 79% of the risk of focal segmental glomerulosclerosis (FSGS), the disease that causes ESKD, in African Americans with HIV, and 56% of African Americans as a whole. The variants are also associated with a 2-3 fold increased risk for ESKD associated with hypertension. The variations are also present among European Americans, although they are less common.
A simple genetic screening test has been developed that identifies single nucleotide polymorphisms (SNP) and haplotypes in the non-muscle myosin gene MYH9. These variants confer genetic risk for the following kidney diseases: FSGS, collapsing glomerulopathy, HIV-associated nephropathy, hypertensive kidney disease, sickle cell nephropathy, lupus nephropathy, and possibly other kidney diseases.
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