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Epigenetic Signatures of Cigarette Smoking.

Publication ,  Journal Article
Joehanes, R; Just, AC; Marioni, RE; Pilling, LC; Reynolds, LM; Mandaviya, PR; Guan, W; Xu, T; Elks, CE; Aslibekyan, S; Moreno-Macias, H ...
Published in: Circ Cardiovasc Genet
October 2016

BACKGROUND: DNA methylation leaves a long-term signature of smoking exposure and is one potential mechanism by which tobacco exposure predisposes to adverse health outcomes, such as cancers, osteoporosis, lung, and cardiovascular disorders. METHODS AND RESULTS: To comprehensively determine the association between cigarette smoking and DNA methylation, we conducted a meta-analysis of genome-wide DNA methylation assessed using the Illumina BeadChip 450K array on 15 907 blood-derived DNA samples from participants in 16 cohorts (including 2433 current, 6518 former, and 6956 never smokers). Comparing current versus never smokers, 2623 cytosine-phosphate-guanine sites (CpGs), annotated to 1405 genes, were statistically significantly differentially methylated at Bonferroni threshold of P<1×10-7 (18 760 CpGs at false discovery rate <0.05). Genes annotated to these CpGs were enriched for associations with several smoking-related traits in genome-wide studies including pulmonary function, cancers, inflammatory diseases, and heart disease. Comparing former versus never smokers, 185 of the CpGs that differed between current and never smokers were significant P<1×10-7 (2623 CpGs at false discovery rate <0.05), indicating a pattern of persistent altered methylation, with attenuation, after smoking cessation. Transcriptomic integration identified effects on gene expression at many differentially methylated CpGs. CONCLUSIONS: Cigarette smoking has a broad impact on genome-wide methylation that, at many loci, persists many years after smoking cessation. Many of the differentially methylated genes were novel genes with respect to biological effects of smoking and might represent therapeutic targets for prevention or treatment of tobacco-related diseases. Methylation at these sites could also serve as sensitive and stable biomarkers of lifetime exposure to tobacco smoke.

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Published In

Circ Cardiovasc Genet

DOI

EISSN

1942-3268

Publication Date

October 2016

Volume

9

Issue

5

Start / End Page

436 / 447

Location

United States

Related Subject Headings

  • Transcriptome
  • Time Factors
  • Smoking Prevention
  • Smoking Cessation
  • Smoking
  • Phenotype
  • Oligonucleotide Array Sequence Analysis
  • Middle Aged
  • Male
  • Leukocytes
 

Citation

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Joehanes, R., Just, A. C., Marioni, R. E., Pilling, L. C., Reynolds, L. M., Mandaviya, P. R., … London, S. J. (2016). Epigenetic Signatures of Cigarette Smoking. Circ Cardiovasc Genet, 9(5), 436–447. https://doi.org/10.1161/CIRCGENETICS.116.001506
Joehanes, Roby, Allan C. Just, Riccardo E. Marioni, Luke C. Pilling, Lindsay M. Reynolds, Pooja R. Mandaviya, Weihua Guan, et al. “Epigenetic Signatures of Cigarette Smoking.Circ Cardiovasc Genet 9, no. 5 (October 2016): 436–47. https://doi.org/10.1161/CIRCGENETICS.116.001506.
Joehanes R, Just AC, Marioni RE, Pilling LC, Reynolds LM, Mandaviya PR, et al. Epigenetic Signatures of Cigarette Smoking. Circ Cardiovasc Genet. 2016 Oct;9(5):436–47.
Joehanes, Roby, et al. “Epigenetic Signatures of Cigarette Smoking.Circ Cardiovasc Genet, vol. 9, no. 5, Oct. 2016, pp. 436–47. Pubmed, doi:10.1161/CIRCGENETICS.116.001506.
Joehanes R, Just AC, Marioni RE, Pilling LC, Reynolds LM, Mandaviya PR, Guan W, Xu T, Elks CE, Aslibekyan S, Moreno-Macias H, Smith JA, Brody JA, Dhingra R, Yousefi P, Pankow JS, Kunze S, Shah SH, McRae AF, Lohman K, Sha J, Absher DM, Ferrucci L, Zhao W, Demerath EW, Bressler J, Grove ML, Huan T, Liu C, Mendelson MM, Yao C, Kiel DP, Peters A, Wang-Sattler R, Visscher PM, Wray NR, Starr JM, Ding J, Rodriguez CJ, Wareham NJ, Irvin MR, Zhi D, Barrdahl M, Vineis P, Ambatipudi S, Uitterlinden AG, Hofman A, Schwartz J, Colicino E, Hou L, Vokonas PS, Hernandez DG, Singleton AB, Bandinelli S, Turner ST, Ware EB, Smith AK, Klengel T, Binder EB, Psaty BM, Taylor KD, Gharib SA, Swenson BR, Liang L, DeMeo DL, O’Connor GT, Herceg Z, Ressler KJ, Conneely KN, Sotoodehnia N, Kardia SLR, Melzer D, Baccarelli AA, van Meurs JBJ, Romieu I, Arnett DK, Ong KK, Liu Y, Waldenberger M, Deary IJ, Fornage M, Levy D, London SJ. Epigenetic Signatures of Cigarette Smoking. Circ Cardiovasc Genet. 2016 Oct;9(5):436–447.

Published In

Circ Cardiovasc Genet

DOI

EISSN

1942-3268

Publication Date

October 2016

Volume

9

Issue

5

Start / End Page

436 / 447

Location

United States

Related Subject Headings

  • Transcriptome
  • Time Factors
  • Smoking Prevention
  • Smoking Cessation
  • Smoking
  • Phenotype
  • Oligonucleotide Array Sequence Analysis
  • Middle Aged
  • Male
  • Leukocytes