J Prev Med Public Health.  2018 Sep;51(5):263-264. 10.3961/jpmph.18.076.

Necessity of Epigenetic Epidemiology Studies on the Carcinogenesis of Lung Cancer in Never Smokers

Affiliations
  • 1Department of Preventive Medicine, Jeju National University School of Medicine, Jeju, Korea. jmbae@jejunu.ac.kr

Abstract

Based on epidemiological and genomic characteristics, lung cancer in never smokers (LCNS) is a different disease from lung cancer in smokers. Based on current research, the main risk factor for LCNS may be air pollution. A recent case-control study in Koreans reported that nitrogen dioxide (NOâ‚‚) may be a risk factor for LCNS. Additionally, a cohort study showed that exposure to NO2 was associated with significant hypomethylation. Thus, epigenetic epidemiology studies are needed in the near future to evaluate the carcinogenesis of LCNS according to chronic exposure to air pollution and/or viral infections.

Keyword

Air pollution; Gene-environment interaction; Epigenetics; Epidemiology

MeSH Terms

Air Pollution
Carcinogenesis*
Case-Control Studies
Cohort Studies
Epidemiology*
Epigenomics*
Gene-Environment Interaction
Lung Neoplasms*
Lung*
Nitrogen Dioxide
Risk Factors
Nitrogen Dioxide
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