Dataset Information

Atherosclerotic Aortic Calcification-Associated Polymorphism in HDAC9 and Associations with Mortality, Cardiovascular Disease, and Kidney Disease.

ABSTRACT: Histone deacetylase 9 (HDAC9) has recently been demonstrated as a key regulator of vascular smooth muscle cell (VSMC) phenotype and is associated with abdominal aortic calcification, myocardial infarction, and ischemic stroke. It is uncertain whether HDAC9 is also implicated in other VSMC-driven diseases. Our objective was to assess associations between abdominal aortic calcification-associated genetic variation in HDAC9 and VSMC-associated phenotypes. In this prospective population study of 335,146 adults enrolled in the UK Biobank, the abdominal aortic calcification-associated risk allele of a genetic variant in HDAC9 was associated with increased risk of systolic hypertension, non-ST segment elevation myocardial infarction, and ischemic stroke. There was a suggestive protective association with kidney disease outcomes that did not reach experiment-wise significance. These genetic results lend further support for HDAC9 as a potential therapeutic target for arterial stenotic and calcific disease.

SUBMITTER: Arnlov J

PROVIDER: S-EPMC7322070 | biostudies-literature | 2020 Jul

REPOSITORIES: biostudies-literature

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Atherosclerotic Aortic Calcification-Associated Polymorphism in HDAC9 and Associations with Mortality, Cardiovascular Disease, and Kidney Disease.

Ärnlöv Johan J Dluzen Douglas F DF Nowak Christoph C

iScience 20200610 7

Histone deacetylase 9 (HDAC9) has recently been demonstrated as a key regulator of vascular smooth muscle cell (VSMC) phenotype and is associated with abdominal aortic calcification, myocardial infarction, and ischemic stroke. It is uncertain whether HDAC9 is also implicated in other VSMC-driven diseases. Our objective was to assess associations between abdominal aortic calcification-associated genetic variation in HDAC9 and VSMC-associated phenotypes. In this prospective population study of 335 ...[more]

PMID: 32585591

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Project description:BackgroundLimited information is available regarding genetic contributions to valvular calcification, which is an important precursor of clinical valve disease.MethodsWe determined genomewide associations with the presence of aortic-valve calcification (among 6942 participants) and mitral annular calcification (among 3795 participants), as detected by computed tomographic (CT) scanning; the study population for this analysis included persons of white European ancestry from three cohorts participating in the Cohorts for Heart and Aging Research in Genomic Epidemiology consortium (discovery population). Findings were replicated in independent cohorts of persons with either CT-detected valvular calcification or clinical aortic stenosis.ResultsOne SNP in the lipoprotein(a) (LPA) locus (rs10455872) reached genomewide significance for the presence of aortic-valve calcification (odds ratio per allele, 2.05; P=9.0×10(-10)), a finding that was replicated in additional white European, African-American, and Hispanic-American cohorts (P<0.05 for all comparisons). Genetically determined Lp(a) levels, as predicted by LPA genotype, were also associated with aortic-valve calcification, supporting a causal role for Lp(a). In prospective analyses, LPA genotype was associated with incident aortic stenosis (hazard ratio per allele, 1.68; 95% confidence interval [CI], 1.32 to 2.15) and aortic-valve replacement (hazard ratio, 1.54; 95% CI, 1.05 to 2.27) in a large Swedish cohort; the association with incident aortic stenosis was also replicated in an independent Danish cohort. Two SNPs (rs17659543 and rs13415097) near the proinflammatory gene IL1F9 achieved genomewide significance for mitral annular calcification (P=1.5×10(-8) and P=1.8×10(-8), respectively), but the findings were not replicated consistently.ConclusionsGenetic variation in the LPA locus, mediated by Lp(a) levels, is associated with aortic-valve calcification across multiple ethnic groups and with incident clinical aortic stenosis. (Funded by the National Heart, Lung, and Blood Institute and others.).

Dataset Information

Atherosclerotic Aortic Calcification-Associated Polymorphism in HDAC9 and Associations with Mortality, Cardiovascular Disease, and Kidney Disease.

Publications

Atherosclerotic Aortic Calcification-Associated Polymorphism in HDAC9 and Associations with Mortality, Cardiovascular Disease, and Kidney Disease.

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