Circulation Journal
Online ISSN : 1347-4820
Print ISSN : 1346-9843
ISSN-L : 1346-9843
Molecular Cardiology
Heterogeneous Effects of Association Between Blood Pressure Loci and Coronary Artery Disease in East Asian Individuals
Fumihiko TakeuchiMasato IsonoKen YamamotoMitsuhiro YokotaKoichi AkiyamaTomohiro KatsuyaHyo-Soo KimJeong Euy ParkYangsoo JangJi-Young LeeAGEN ConsortiumJong-Young LeeNorihiro Kato
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2015 Volume 79 Issue 4 Pages 830-838

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Abstract

Background:A coronary artery disease (CAD) association study of genetic loci previously identified as being associated with blood pressure (BP) was performed in east Asian populations.Methods and Results:Nine single nucleotide polymorphisms (SNPs) from 9 candidate loci robustly confirmed to be associated with BP in east Asian people, were genotyped. Genotyping was done in up to 17,785 CAD case-control samples (6,522 cases and 11,263 controls). We then tested the associations with other metabolic traits (n≤17,900) and with type 2 diabetes (931 cases and 1,404 controls), and looked up the datasets in silico in other populations. Significant (adjusted P<0.05) CAD associations were found for 5 BP loci: 3 new CAD associations atFIGN,FGF5andNPR3, and 2 previously reported ones atATP2B1andCNNM2. The strongest CAD association was detected atATP2B1rs2681472 (P=1.7×10–8), in the direction inverted to what is generally recognized for BP in the epidemiological studies.CNNM2rs12413409 showed significant association with CAD (P=8.7×10–7) and BMI (P=3.5×10–8, when meta-analyzed with 75,807 east Asian people). The genetic risk score combining BP-raising alleles at each of the SNPs was positively associated with CAD (P=0.011).Conclusions:A substantial proportion of genetic variants associated with BP were also associated with the risk of CAD in east Asian people, and there was some counter-evidence for causal inference. (Circ J 2015; 79: 830–838)

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© 2015 THE JAPANESE CIRCULATION SOCIETY
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