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Air pollution, oxidative damage to DNA, and carcinogenesis

Peter Møller, Janne Kjaersgaard Folkmann, Lykke Forchhammer, Elvira Vaclavik Bräuner, Pernille Høgh Danielsen, Lotte Risom, Steffen Loft

218 Citations (Scopus)

Abstract

There is growing concern that air pollution exposure increases the risk of lung cancer. The mechanism of action is related to particle-induced oxidative stress and oxidation of DNA. Humans exposed to urban air with vehicle emissions have elevated levels of oxidized guanine bases in blood cells and urine. Animal experimental studies show that pulmonary and gastrointestinal exposure is associated with elevated levels of oxidized guanines in the lung and other organs. Collectively, there is evidence indicating that exposure to traffic-related air pollution particles is associated with oxidative damage to DNA and this might be associated with increased risk of cancer.

Original languageEnglish
JournalCancer Letters
Volume266
Issue number1
Pages (from-to)84-97
Number of pages14
ISSN0304-3835
DOIs
Publication statusPublished - 18 Jul 2008
Externally publishedYes

Keywords

  • Air Pollution/adverse effects
  • Animals
  • Carcinogens/toxicity
  • Cell Transformation, Neoplastic
  • DNA Damage
  • Guinea Pigs
  • Humans
  • Mice
  • Neoplasms/chemically induced
  • Oxidation-Reduction
  • Oxidative Stress
  • Particulate Matter/toxicity
  • Rats
  • Vehicle Emissions/toxicity

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