A genome-wide association study of hypertension-related phenotypes in a Japanese population

Yumiko Hiura, Yasuharu Tabara, Yoshihiro Kokubo, Tomonori Okamura, Tetsuro Miki, Hitonobu Tomoike, Naoharu Iwai

Research output: Contribution to journalArticle

40 Citations (Scopus)

Abstract

Background: Large-scale genome-wide association studies (GWAS) have been successful in identifying genes that contribute to common diseases and phenotypes. A GWAS of hypertension-related phenotypes in a Japanese population was conducted in the current study. Methods and Results: A total of 936 participants were recruited from the Suita Study and a GWAS with 538,732 single nucleotide polymorphisms (SNP) was performed. The phenotypes included were systolic and diastolic blood pressure (SBP and DBP), body mass index (BMI), waist-to-hip ratio (WHR), plasma renin activity (PRA), plasma aldosterone concentration (PAC), plasma brain natriuretic peptide (BNP) concentration and alcohol consumption (AC). The SNP exceeding the genome-wide significance level were subjected to subsequent association studies using samples available from the Suita Study and Nomura Study. There is no master gene in the Japanese population that profoundly affects SBP, DBP, BMI, WHR, PRA and PAC. AC was influenced by the functional polymorphism in ALDH2, which affected BP levels in men. The BNP concentration was influenced by a polymorphism in the 3' region of the gene encoding for BNP. However, this polymorphism did not influence blood pressure (BP). Six SNP were identified to be associated with hypertension in both the Suita and Nomura studies. Conclusions: Although several candidate SNP relevant to hypertension and those influencing AC and BNP were identified, our middle-sized GWAS indicated that there is no master gene in Japanese people that profoundly affects BP-related phenotypes.

Original languageEnglish
Pages (from-to)2353-2359
Number of pages7
JournalCirculation Journal
Volume74
Issue number11
DOIs
Publication statusPublished - 2010 Nov
Externally publishedYes

Fingerprint

Genome-Wide Association Study
Brain Natriuretic Peptide
Single Nucleotide Polymorphism
Blood Pressure
Hypertension
Phenotype
Alcohol Drinking
Waist-Hip Ratio
Population
Aldosterone
Renin
Genes
Body Mass Index
Genome

Keywords

  • Aldehyde dehydrogenase 2
  • Brain natriuretic peptide
  • Genetics
  • Hypertension
  • Single nucleotide polymorphism

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine

Cite this

A genome-wide association study of hypertension-related phenotypes in a Japanese population. / Hiura, Yumiko; Tabara, Yasuharu; Kokubo, Yoshihiro; Okamura, Tomonori; Miki, Tetsuro; Tomoike, Hitonobu; Iwai, Naoharu.

In: Circulation Journal, Vol. 74, No. 11, 11.2010, p. 2353-2359.

Research output: Contribution to journalArticle

Hiura, Yumiko ; Tabara, Yasuharu ; Kokubo, Yoshihiro ; Okamura, Tomonori ; Miki, Tetsuro ; Tomoike, Hitonobu ; Iwai, Naoharu. / A genome-wide association study of hypertension-related phenotypes in a Japanese population. In: Circulation Journal. 2010 ; Vol. 74, No. 11. pp. 2353-2359.
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