Inflammation and the chemical carcinogen benzo[a]pyrene: Partners in crime

Q. Shi, R. W. L. Godschalk, F. J. van Schooten*

*Corresponding author for this work

Research output: Contribution to journal(Systematic) Review article peer-review

Abstract

Exposure to benzo[a]pyrene (B[a]P) is known to play a role in lung carcinogenesis and the underlying processes can be modified by the presence of inflammation. The inflammatory process can for instance enhance the concentration of reactive metabolites that bind to DNA and may also diminish DNA repair. Additionally, during the inflammatory process mediators are released that create a microenvironment which is suitable for further stimulation of cancer development. Various transcriptional pathways are activated by inflammation, including pathways that are mediated via nuclear factor kappa-light-chain-enhancer of activated B cells (NF-kappa B), signal transducer and activator of transcription 3 (STAT-3), and hypoxia-inducible factor-1 (HIF-1). Crosstalk between these pathways and the aryl hydrocarbon receptor (AhR) occurs at multiple levels and thereby boosts B[a]P induced carcinogenesis. This review focuses on inflammatory mediators, including cytokines, chemokines and extracellular enzymes that modulate molecular events in B[a]P induced cancers.

Original languageEnglish
Pages (from-to)12-24
Number of pages13
JournalMutation Research-Reviews in Mutation Research
Volume774
DOIs
Publication statusPublished - 2017

Keywords

  • Inflammation
  • Inflammatory mediators
  • Carcinogens
  • Benzo[a]pyrene
  • Cytochrom P450 1A1
  • ARYL-HYDROCARBON RECEPTOR
  • NF-KAPPA-B
  • NUCLEOTIDE EXCISION-REPAIR
  • TUMOR-NECROSIS-FACTOR
  • POLYCYCLIC AROMATIC-HYDROCARBONS
  • HUMAN POLYMORPHONUCLEAR LEUKOCYTES
  • INDUCED DNA-DAMAGE
  • GROWTH-FACTOR-BETA
  • WILD-TYPE P53
  • LUNG EPITHELIAL-CELLS

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