Blood Leukocyte DNA Methylation Predicts Risk of Future Myocardial Infarction and Coronary Heart Disease.
Adult
Aged
Cohort Studies
Coronary Disease
/ diagnosis
CpG Islands
/ genetics
DNA Methylation
/ physiology
Europe
/ epidemiology
Female
Genome-Wide Association Study
Humans
Incidence
Leukocytes
/ physiology
Male
Middle Aged
Myocardial Infarction
/ diagnosis
Population Groups
Prognosis
Prospective Studies
Risk
United States
/ epidemiology
coronary artery disease
coronary heart disease
epigenetics
gene expression regulation
genomics
Journal
Circulation
ISSN: 1524-4539
Titre abrégé: Circulation
Pays: United States
ID NLM: 0147763
Informations de publication
Date de publication:
20 08 2019
20 08 2019
Historique:
entrez:
20
8
2019
pubmed:
20
8
2019
medline:
28
5
2020
Statut:
ppublish
Résumé
DNA methylation is implicated in coronary heart disease (CHD), but current evidence is based on small, cross-sectional studies. We examined blood DNA methylation in relation to incident CHD across multiple prospective cohorts. Nine population-based cohorts from the United States and Europe profiled epigenome-wide blood leukocyte DNA methylation using the Illumina Infinium 450k microarray, and prospectively ascertained CHD events including coronary insufficiency/unstable angina, recognized myocardial infarction, coronary revascularization, and coronary death. Cohorts conducted race-specific analyses adjusted for age, sex, smoking, education, body mass index, blood cell type proportions, and technical variables. We conducted fixed-effect meta-analyses across cohorts. Among 11 461 individuals (mean age 64 years, 67% women, 35% African American) free of CHD at baseline, 1895 developed CHD during a mean follow-up of 11.2 years. Methylation levels at 52 CpG (cytosine-phosphate-guanine) sites were associated with incident CHD or myocardial infarction (false discovery rate<0.05). These CpGs map to genes with key roles in calcium regulation (ATP2B2, CASR, GUCA1B, HPCAL1), and genes identified in genome- and epigenome-wide studies of serum calcium (CASR), serum calcium-related risk of CHD (CASR), coronary artery calcified plaque (PTPRN2), and kidney function (CDH23, HPCAL1), among others. Mendelian randomization analyses supported a causal effect of DNA methylation on incident CHD; these CpGs map to active regulatory regions proximal to long non-coding RNA transcripts. Methylation of blood-derived DNA is associated with risk of future CHD across diverse populations and may serve as an informative tool for gaining further insight on the development of CHD.
Sections du résumé
BACKGROUND
DNA methylation is implicated in coronary heart disease (CHD), but current evidence is based on small, cross-sectional studies. We examined blood DNA methylation in relation to incident CHD across multiple prospective cohorts.
METHODS
Nine population-based cohorts from the United States and Europe profiled epigenome-wide blood leukocyte DNA methylation using the Illumina Infinium 450k microarray, and prospectively ascertained CHD events including coronary insufficiency/unstable angina, recognized myocardial infarction, coronary revascularization, and coronary death. Cohorts conducted race-specific analyses adjusted for age, sex, smoking, education, body mass index, blood cell type proportions, and technical variables. We conducted fixed-effect meta-analyses across cohorts.
RESULTS
Among 11 461 individuals (mean age 64 years, 67% women, 35% African American) free of CHD at baseline, 1895 developed CHD during a mean follow-up of 11.2 years. Methylation levels at 52 CpG (cytosine-phosphate-guanine) sites were associated with incident CHD or myocardial infarction (false discovery rate<0.05). These CpGs map to genes with key roles in calcium regulation (ATP2B2, CASR, GUCA1B, HPCAL1), and genes identified in genome- and epigenome-wide studies of serum calcium (CASR), serum calcium-related risk of CHD (CASR), coronary artery calcified plaque (PTPRN2), and kidney function (CDH23, HPCAL1), among others. Mendelian randomization analyses supported a causal effect of DNA methylation on incident CHD; these CpGs map to active regulatory regions proximal to long non-coding RNA transcripts.
CONCLUSION
Methylation of blood-derived DNA is associated with risk of future CHD across diverse populations and may serve as an informative tool for gaining further insight on the development of CHD.
Identifiants
pubmed: 31424985
doi: 10.1161/CIRCULATIONAHA.118.039357
pmc: PMC6812683
mid: NIHMS1535027
doi:
Types de publication
Journal Article
Meta-Analysis
Research Support, N.I.H., Extramural
Research Support, N.I.H., Intramural
Research Support, Non-U.S. Gov't
Research Support, U.S. Gov't, Non-P.H.S.
Langues
eng
Sous-ensembles de citation
IM
Pagination
645-657Subventions
Organisme : NHLBI NIH HHS
ID : RC2 HL102419
Pays : United States
Organisme : NINDS NIH HHS
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ID : N01HC85079
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Organisme : NIA NIH HHS
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Organisme : NCATS NIH HHS
ID : UL1 TR001881
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Organisme : NIEHS NIH HHS
ID : R01 ES014663
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Organisme : NHLBI NIH HHS
ID : N01HC85080
Pays : United States
Organisme : NHLBI NIH HHS
ID : HHSN268201700003I
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Organisme : NHLBI NIH HHS
ID : N01HC85081
Pays : United States
Organisme : NIEHS NIH HHS
ID : P30 ES009089
Pays : United States
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