Association of Hypertension Drug Target Genes With Blood Pressure and Hypertension in 86 588 Individuals

Author:

Johnson Andrew D.1,Newton-Cheh Christopher1,Chasman Daniel I.1,Ehret Georg B.1,Johnson Toby1,Rose Lynda1,Rice Kenneth1,Verwoert Germaine C.1,Launer Lenore J.1,Gudnason Vilmundur1,Larson Martin G.1,Chakravarti Aravinda1,Psaty Bruce M.1,Caulfield Mark1,van Duijn Cornelia M.1,Ridker Paul M.1,Munroe Patricia B.1,Levy Daniel1

Affiliation:

1. From the National Heart, Lung, and Blood Institute's The Framingham Heart Study (A.D.J., M.G.L., D.L.), Framingham, MA; Center for Population Studies (A.D.J., D.L.), National Heart, Lung, and Blood Institute, Bethesda, MD; Center for Human Genetic Research (C.N.-C.), Cardiovascular Research Center, Massachusetts General Hospital, Boston, MA; Program in Medical and Population Genetics (C.N.-C.), Broad Institute of Harvard and MIT, Cambridge, MA; Division of Preventive Medicine (D.I.C., L.R., P.M.R.),...

Abstract

We previously conducted genome-wide association meta-analysis of systolic blood pressure, diastolic blood pressure, and hypertension in 29 136 people from 6 cohort studies in the Cohorts for Heart and Aging Research in Genomic Epidemiology Consortium. Here we examine associations of these traits with 30 gene regions encoding known antihypertensive drug targets. We find nominal evidence of association of ADRB1 , ADRB2 , AGT , CACNA1A , CACNA1C , and SLC12A3 polymorphisms with 1 or more BP traits in the Cohorts for Heart and Aging Research in Genomic Epidemiology genome-wide association meta-analysis. We attempted replication of the top meta-analysis single nucleotide polymorphisms for these genes in the Global BPgen Consortium (n=34 433) and the Women's Genome Health Study (n=23 019) and found significant results for rs1801253 in ADRB1 (Arg389Gly), with the Gly allele associated with a lower mean systolic blood pressure (β: 0.57 mm Hg; SE: 0.09 mm Hg; meta-analysis: P= 4.7×10 −10 ), diastolic blood pressure (β: 0.36 mm Hg; SE: 0.06 mm Hg; meta-analysis: P= 9.5×10 −10 ), and prevalence of hypertension (β: 0.06 mm Hg; SE: 0.02 mm Hg; meta-analysis: P= 3.3×10 −4 ). Variation in AGT (rs2004776) was associated with systolic blood pressure (β: 0.42 mm Hg; SE: 0.09 mm Hg; meta-analysis: P= 3.8×10 −6 ), as well as diastolic blood pressure ( P= 5.0×10 −8 ) and hypertension ( P= 3.7×10 −7 ). A polymorphism in ACE (rs4305) showed modest replication of association with increased hypertension (β: 0.06 mm Hg; SE: 0.01 mm Hg; meta-analysis: P= 3.0×10 −5 ). Two loci, ADRB1 and AGT , contain single nucleotide polymorphisms that reached a genome-wide significance threshold in meta-analysis for the first time. Our findings suggest that these genes warrant further studies of their genetic effects on blood pressure, including pharmacogenetic interactions.

Publisher

Ovid Technologies (Wolters Kluwer Health)

Subject

Internal Medicine

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