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DNA methylation signature of chronic low-grade inflammation and its role in cardio-respiratory diseases

  • BIOS consortium
  • Imperial College London
  • Erasmus University Medical Center
  • Leibniz Institute for Prevention Research and Epidemiology
  • Framingham Heart Study
  • University of Bristol
  • Tampere University of Technology
  • University of Freiburg
  • King's College London
  • University of Edinburgh
  • University of Sassari
  • IRCCS Istituto Nazionale dei Tumori
  • George Washington University
  • University of Cambridge
  • John Hopkins University
  • Emory University
  • Queen Mary University, London
  • Leibniz Center for Diabetes Resesarch at Heinrich Heine University Düsseldorf
  • Deutsches Herzzentrum München
  • Medical University of Vienna
  • Tulane University
  • University of Greifswald
  • DZHK (German Center for Cardiovascular Research)
  • University of Minnesota

Research output: Contribution to journalArticlepeer-review

107   Link opens in a new tab Citations (SciVal)

Abstract

We performed a multi-ethnic Epigenome Wide Association study on 22,774 individuals to describe the DNA methylation signature of chronic low-grade inflammation as measured by C-Reactive protein (CRP). We find 1,511 independent differentially methylated loci associated with CRP. These CpG sites show correlation structures across chromosomes, and are primarily situated in euchromatin, depleted in CpG islands. These genomic loci are predominantly situated in transcription factor binding sites and genomic enhancer regions. Mendelian randomization analysis suggests altered CpG methylation is a consequence of increased blood CRP levels. Mediation analysis reveals obesity and smoking as important underlying driving factors for changed CpG methylation. Finally, we find that an activated CpG signature significantly increases the risk for cardiometabolic diseases and COPD.

Original languageEnglish
Article number2408
Pages (from-to)2408
JournalNature Communications
Volume13
Issue number1
DOIs
Publication statusPublished - 3 May 2022

Bibliographical note

Funding Information:
H.J.G. has received travel grants and speakers honoraria from Fresenius Medical Care, Neuraxpharm, Servier, and Janssen Cilag as well as research funding from Fresenius Medical Care. All other study authors declare no competing interests.

Publisher Copyright:
© 2022, The Author(s).

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 3 - Good Health and Well-being
    SDG 3 Good Health and Well-being

ASJC Scopus subject areas

  • General Chemistry
  • General Biochemistry,Genetics and Molecular Biology
  • General
  • General Physics and Astronomy

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