BackgroundSeveral linkage analyses have mapped a susceptibility locus for diabetic nephropathy to chromosome 18q22–23, and polymorphisms within the carnosine dipeptidase 1 gene (CNDP1), located on 18q
1,592 Discovery and Replication T2DM-ESRD cases versus 513 T2DM non-nephropathy controls (* Homogeneity P-Value refers to the P-Value from the test for homogeneity of the odds ratio; ** Two-locus logi