NR3C2 gene polymorphism is associated with risk of gestational hypertension in Han Chinese women.

BACKGROUND:The influence of genetic polymorphisms on the development of gestational hypertension (GH) is unclear. The aim of this study was to examine whether single-nucleotide polymorphisms (SNPs) of the nuclear receptor subfamily 3, group C, member 2 (NR3C2) genes, rs5522, rs2070951, rs5534, s2248038, and s9992256 are associated with GH in Han Chinese women. METHOD:Sanger sequencing was used to analyze the genotypes of rs5522, rs2070951, rs5534, rs2248038, and rs9992256 loci of the NR3C2 gene in 450 patients with GH and 450 healthy controls. RESULTS:The rs5522 dominant model (odds ratio [OR] = 1.30, 95% confidence interval [CI]: 1.13-1.47, P < .001) and the recessive model (OR = 1.64, 95% CI: 1.33-1.86, P < .001) had higher GH risk. The rs2070951 dominant model (OR = 1.18, 95% CI: 1.03-1.35, P = .02) had higher risk of GH, and the recessive model (OR = 1.09, 95% CI: 0.84-1.34, P = .55) was not significant for GH risk. The rs5534 dominant model (OR = 1.25, 95% CI: 1.09-1.43, P = .001) had a higher GH risk. The rs2248038 and rs9992256 sites were not significantly related to GH risk. Gene-gene interactions at the rs5522, rs2070951, and rs5534 loci affected GH risk (OR = 1.34, 95% CI: 1.12-1.64, P < .001). CONCLUSION:The SNPs of the NR3C2 gene rs5522, rs2070951, and rs5534 are associated with GH in Han Chinese women.

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