[Prediction of genetic risk for hypertension].
BACKGROUND
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.


RESULTS
The population of the present study comprised 1,940 unrelated Japanese individuals, including 1,067 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 two polymorphisms (825C -> T in the G protein beta3 subunit gene and 190G -> A in the CC chemokine receptor 2 gene) were significantly associated with hypertension in men and that one polymorphism (-238G -> A in the tumor necrosis factor- alpha gene) was significantly associated with hypertension in women.


CONCLUSIONS
These results suggest that two and one 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.
Izawa
Hideo
H
Yamada
Yoshiji
Y
Okada
Toro
T
Tanaka
Masashi
M
Hirayama
Haruo
H
Murohara
Toyoaki
T
Yokota
Mitsuhiro
M
D005260:Female; D044387:GTP-Binding Protein beta Subunits / Q000235:genetics; D020022:Genetic Predisposition to Disease; D006801:Humans; D006973:Hypertension / Q000175:diagnosis / Q000235:genetics*; D008297:Male; D020641:Polymorphism, Single Nucleotide; D019707:Receptors, Chemokine / Q000235:genetics; D012306:Risk; D014409:Tumor Necrosis Factor-alpha / Q000235:genetics
D044387:GTP-Binding Protein beta Subunits; D019707:Receptors, Chemokine; D014409:Tumor Necrosis Factor-alpha