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(Hypertension. 2003;41:1035.)
© 2003 American Heart Association, Inc.

Scientific Contribution

Prediction of Genetic Risk for Hypertension

Hideo Izawa; Yoshiji Yamada; Taro Okada; Masashi Tanaka; Haruo Hirayama; Mitsuhiro Yokota

From the Cardiovascular Division, Department of Pathophysiology, Nagoya University Graduate School of Medicine (H.I., M.Y.), Nagoya; Department of Gene Therapy, Gifu International Institute of Biotechnology (Y.Y., M.T.), Mitake; and the Cardiovascular Center, Nagoya Daini Red Cross Hospital (T.O., H.H.), Nagoya, Japan.

Correspondence to Yoshiji Yamada, MD, PhD, FAHA, Department of Gene Therapy, Gifu International Institute of Biotechnology, Yagi Memorial Park, 2193-128 Mitake, Gifu 505-0116, Japan. E-mail yoyamada{at}giib.or.jp

Although genetic epidemiological studies have suggested that several genetic variants increase the risk for hypertension, the genes that underlie genetic susceptibility to this condition remain to be identified definitively. Large-scale association studies that examine many gene polymorphisms simultaneously are required to predict genetic risk for hypertension. The population of the present study comprised 1940 unrelated Japanese individuals, including 1067 subjects with hypertension (574 men, 493 women) and 873 controls (533 men, 340 women). The genotypes for 33 single nucleotide polymorphisms of 27 candidate genes were determined with a fluorescence- or colorimetry-based allele-specific DNA primer-probe assay system. Multivariate logistic regression analysis with adjustment for age, body mass index, and the prevalence of smoking, diabetes mellitus, hypercholesterolemia, and hyperuricemia revealed that 2 polymorphisms (825CT in the G protein ß3 subunit gene and 190GA in the CC chemokine receptor 2 gene) were significantly associated with hypertension in men and that one polymorphism (-238GA in the tumor necrosis factor gene) was significantly associated with hypertension in women. These results suggest that 2 and 1 genes may be susceptibility loci for hypertension in Japanese men and women, respectively, and that genotyping of these polymorphisms may prove informative for prediction of the genetic risk for hypertension.

Key Words: hypertension, essential • hypertension, genetic • blood pressure • genetics • polymorphism • population • risk factors

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