Whole Blood DNA Methylation Signatures of Diet Are Associated With Cardiovascular Disease Risk Factors and All-Cause Mortality.

Circulation. Genomic and Precision Medicine
Jiantao MaDaniel Levy

Abstract

DNA methylation patterns associated with habitual diet have not been well studied. Diet quality was characterized using a Mediterranean-style diet score and the Alternative Healthy Eating Index score. We conducted ethnicity-specific and trans-ethnic epigenome-wide association analyses for diet quality and leukocyte-derived DNA methylation at over 400 000 CpGs (cytosine-guanine dinucleotides) in 5 population-based cohorts including 6662 European ancestry, 2702 African ancestry, and 360 Hispanic ancestry participants. For diet-associated CpGs identified in epigenome-wide analyses, we conducted Mendelian randomization (MR) analysis to examine their relations to cardiovascular disease risk factors and examined their longitudinal associations with all-cause mortality. We identified 30 CpGs associated with either Mediterranean-style diet score or Alternative Healthy Eating Index, or both, in European ancestry participants. Among these CpGs, 12 CpGs were significantly associated with all-cause mortality (Bonferroni corrected P<1.6×10-3). Hypermethylation of cg18181703 (SOCS3) was associated with higher scores of both Mediterranean-style diet score and Alternative Healthy Eating Index and lower risk for all-cause mortality (P=5.7×10-15...Continue Reading

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Citations

Aug 20, 2020·Circulation. Genomic and Precision Medicine·Carsten Skarke
Jan 31, 2021·European Journal of Clinical Nutrition·Oliver M ShannonJohn C Mathers
Apr 6, 2021·Current Opinion in Cardiology·Praneet K GillRobert A Hegele
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Jan 14, 2022·The American Journal of Clinical Nutrition·Michelle L Wright, Elizabeth M Widen

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