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Int J Med Sci 2012; 9(4):274-279. doi:10.7150/ijms.4171

Research Paper

Pooled Analyses of the Associations of Polymorphisms in the GRK4 and EMILIN1 Genes with Hypertension Risk

Chibo Liu1#✉, Bo Xi2#

1. Department of Clinical Laboratory, Taizhou Municipal Hospital, Taizhou 318000, China;
2. Department of Maternal and Child Health Care, School of Public Health, Shandong University, Jinan 250012, China.
# Chibo Liu and Bo Xi contributed equally to this work.

Abstract

Background: The GRK4 and EMILIN1 genes have been suggested to be involved in the development of hypertension. However, the results have been inconsistent. In this study, a meta-analysis was performed to clarify the associations of polymorphisms in the GRK4 and EMILIN1 genes with hypertension risk.

Methods: Published literature from PubMed and Embase databases were retrieved. Pooled odds ratios (ORs) with 95% confidence intervals (CIs) were calculated using fixed- or random-effects model.

Results: Five studies for polymorphisms in the GRK4 gene and five studies for polymorphisms in the EMILIN1 gene were identified. The results suggested that rs1801058 polymorphism in the GRK4 gene was inversely associated with hypertension among East Asians (TT vs. CC: OR=0.39, 95%CI 0.28-0.55) and positively associated with hypertension among Europeans (TT vs. CC: OR= 2.38, 95%CI 1.38-4.10). Rs2960306 polymorphism in the GRK4 gene was significantly associated with hypertension among Europeans (TT vs. GG: OR=1.92, 95%CI 1.13-3.27). The significant associations were also observed for rs2011616 and rs2304682 polymorphisms in the EMILIN1 gene among Japanese (rs2011616: AA vs. GG: OR=0.38, 95%CI 0.18-0.82; rs2304682: GG vs. CC: OR=0.37, 95%CI 0.17-0.81) but not among Chinese.

Conclusions: This meta-analysis suggested that rs1801058 polymorphism in the GRK4 gene was associated with hypertension in East Asians and Europeans. The significant association was also found for rs2960306 polymorphism in the GRK4 gene among Europeans. In addition, there were significant associations of rs2011616 and rs2304682 polymorphisms in the EMILIN1gene with hypertension among Japanese.

Keywords: Hypertension, GRK4, EMILIN1, Polymorphism, Meta-analysis.

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How to cite this article:
Liu C, Xi B. Pooled Analyses of the Associations of Polymorphisms in the GRK4 and EMILIN1 Genes with Hypertension Risk. Int J Med Sci 2012; 9(4):274-279. doi:10.7150/ijms.4171. Available from http://www.medsci.org/v09p0274.htm