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- Title
Genome‐wide association study identifies new susceptibility loci for diabetic nephropathy in Korean patients with type 2 diabetes mellitus.
- Authors
Jeong, Kyung H.; Kim, Jin S.; Woo, Jeong‐Taek; Rhee, Sang Y.; Lee, Yu H.; Kim, Yang G.; Moon, Ju‐Young; Kim, Su K.; Kang, Sun W.; Lee, Sang H.; Kim, Yeong H.
- Abstract
Genetic factors are considered to be important in the pathogenesis of diabetic nephropathy (DN). Despite several genome‐wide association studies (GWASs) demonstrating that specific polymorphisms of candidate genes were associated with DN, there were some limitations in previous studies. We conducted a GWAS using customized DNA chips to identify novel susceptibility loci for DN in Korean. We analyzed a total of 414 DN cases and 474 normoalbuminuric diabetic hyper‐controls across two stages using customized DNA chips containing 98 667 single nucleotide polymorphisms (SNPs). We explored the associations between SNPs and DN in samples from 87 DN cases, mostly confirmed by renal biopsy, and 104 diabetic hyper‐controls, and replicated these associations in independent cohort samples with 327 DN cases and 370 diabetic hyper‐controls. The top significant SNPs from the discovery samples were selected for replication in the independent cohort. rs3765156 in PIK3C2B was significantly associated with DN in the replication cohort after multiple test. The SNPs identified in our study provide new insights into the pathogenesis of DN in the Korean population. Additional studies are needed to determine biological effects and clinical utility of our findings.
- Subjects
DIABETIC nephropathies; TYPE 2 diabetes; SINGLE nucleotide polymorphisms; RENAL biopsy
- Publication
Clinical Genetics, 2019, Vol 96, Issue 1, p35
- ISSN
0009-9163
- Publication type
Academic Journal
- DOI
10.1111/cge.13538