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The effect of smoking on DNA methylation of peripheral blood mononuclear cells from African American women.

BMC genomics | 2014

Regular smoking is associated with a wide variety of syndromes with prominent inflammatory components such as cancer, obesity and type 2 diabetes. Heavy regular smoking is also associated with changes in the DNA methylation of peripheral mononuclear cells. However, in younger smokers, inflammatory epigenetic findings are largely absent which suggests the inflammatory response(s) to smoking may be dose dependent. To help understand whether peripheral mononuclear cells have a role in mediating these responses in older smokers with higher cumulative smoke exposure, we examined genome-wide DNA methylation in a group of well characterized adult African American subjects informative for smoking, as well as serum C-reactive protein (CRP) and interleukin-6 receptor (IL6R) levels. In addition, complementary bioinformatic analyses were conducted to delineate possible pathways affected by long-term smoking.

Pubmed ID: 24559495 RIS Download

Research resources used in this publication

None found

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Associated grants

  • Agency: NHLBI NIH HHS, United States
    Id: R01 HL096625
  • Agency: NHLBI NIH HHS, United States
    Id: R21 HL109589
  • Agency: NIEHS NIH HHS, United States
    Id: P30 ES005605
  • Agency: NICHD NIH HHS, United States
    Id: 5R01HD030588-16A1
  • Agency: NCI NIH HHS, United States
    Id: P30 CA086862
  • Agency: NHGRI NIH HHS, United States
    Id: R01 HG006130
  • Agency: NIDA NIH HHS, United States
    Id: P30 DA027827
  • Agency: NIDA NIH HHS, United States
    Id: R21DA034457
  • Agency: NIMH NIH HHS, United States
    Id: MH080898

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