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A meta-analytical assessment of STK39 three well-defined polymorphisms in susceptibility to hypertension.

ABSTRACT: Serine/threonine kinase 39 gene (STK39) is one of the promising hypertension-susceptibility genes identified by a genome-wide association study in 2009, whereas subsequent validation in other ethnic groups is unsatisfactory, with inconsistent and inconclusive findings. We therefore aimed to meta-analytically assess the risk prediction of STK39 three polymorphisms, rs6749447, rs35929607 and rs3754777, for primary hypertension. Literature search and data collection were independently completed by two authors. Nine articles were pooled in this study. Overall analyses failed to see any significant associations of rs6749447, rs35929607 and rs3754777 with hypertension risk (odds ratio: 1.27, 0.95 and 1.21; P?=?0.270, 0.507 and 0.153, respectively), and there was evident heterogeneity for three comparisons (I(2)?>?80%). Meta-regression analyses indicated that smoking was a significant risk factor for the association of rs3754777 with hypertension (P?=?0.017). As reflected by the Begg's and Filled funnel plots, as well as Egger's tests, there were low probabilities of publication bias. In conclusion, our meta-analytical findings suggest that STK39 might not be a hypertension-susceptibility gene.

SUBMITTER: Yang H

PROVIDER: S-EPMC4855189 | biostudies-literature | 2016 May

REPOSITORIES: biostudies-literature

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A meta-analytical assessment of STK39 three well-defined polymorphisms in susceptibility to hypertension.

Yang Hualing H Ye Lingyang L Wang Qingxiang Q Cai Dongmiao D Chen Qumin Q Pan Hongming H Wang Zhanxiang Z

Scientific reports 20160504

Serine/threonine kinase 39 gene (STK39) is one of the promising hypertension-susceptibility genes identified by a genome-wide association study in 2009, whereas subsequent validation in other ethnic groups is unsatisfactory, with inconsistent and inconclusive findings. We therefore aimed to meta-analytically assess the risk prediction of STK39 three polymorphisms, rs6749447, rs35929607 and rs3754777, for primary hypertension. Literature search and data collection were independently completed by ...[more]

PMID: 27142475

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Project description:BackgroundNumerous individually underpowered association studies have been conducted on endothelial nitric oxide synthase (eNOS) genetic variants across different ethnic populations, however, the results are often irreproducible. We therefore aimed to meta-analyze three eNOS widely-evaluated polymorphisms, G894T (rs1799983) in exon 7, 4b/a in intron 4, and T-786C (rs2070744) in promoter region, in association with hypertension from both English and Chinese publications, while addressing between-study heterogeneity and publication bias.MethodsData were analyzed using Stata software (version 11.0), and random-effects model was applied irrespective of between-study heterogeneity, which was evaluated by subgroup and meta-regression analyses. Publication bias was weighed using the Egger's test and funnel plot.ResultsThere were total 19284/26003 cases/controls for G894T, and 6890/6858 for 4b/a, and 5346/6392 for T-786C polymorphism. Overall comparison of allele 894T with 894G in all study populations yielded a 16% increased risk for hypertension (odds ratio [OR] = 1.16; 95% confidence interval [95% CI]: 1.07-1.27; P = 0.001), and particularly a 32% increased risk (95% CI: 1.16-1.52; P<0.0005) in Asians and a 40% increased risk (95% CI: 1.19-1.65; P<0.0005) in Chinese. Further subgroup analyses suggested that published languages accounted for the heterogeneity for G894T polymorphism. The overall OR of allele 4a versus 4b was 1.29 (95% CI: 1.13-1.46; P<0.0005) in all study populations, and this estimate was potentiated in Asians (OR = 1.42; 95% CI: 1.16-1.72; P<0.0005). For T-786C, ethnicity-stratified analyses suggested a significantly increased risk for -786C allele (OR = 1.25; 95% CI: 1.06-1.47; P = 0.007) and -786CC genotype (OR = 1.69; 95% CI: 1.20-2.38; P = 0.003) in Whites. As an aside, the aforementioned risk estimates reached significance after Bonferroni correction. Finally, meta-regression analysis on other study-level covariates failed to provide any significance for all polymorphisms.ConclusionWe, via a comprehensive meta-analysis, ascertained the role of eNOS G894T and 4b/a polymorphisms on hypertension in Asians, and T-786C polymorphism in Whites.

Dataset Information

A meta-analytical assessment of STK39 three well-defined polymorphisms in susceptibility to hypertension.

Publications

A meta-analytical assessment of STK39 three well-defined polymorphisms in susceptibility to hypertension.

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