Exposure to polycyclic aromatic hydrocarbons with special focus on cancer

Thamaraiselvan Rengarajan, Peramaiyan Rajendran, Natarajan Nandakumar, Boopathy Lokeshkumar, Palaniswami Rajendran, Ikuo Nishigaki

Research output: Contribution to journalReview articlepeer-review

448 Scopus citations

Abstract

Polycyclic aromatic hydrocarbons (PAHs) are a group of compounds consisting of two or more fused aromatic rings. Most of them are formed during incomplete combustion of organic materials such as wood and fossil fuels, petroleum products, and coal. The composition of PAH mixtures varies with the source and is also affected by selective weathering effects in the environment. PAHs are ubiquitous pollutants frequently found in a variety of environments such as fresh water and marine sediments, the atmosphere, and ice. Due to their widespread distribution, the environmental pollution due to PAHs has aroused global concern. Many PAHs and their epoxides are highly toxic, mutagenic and/or carcinogenic to microorganisms as well as to higher forms of life including humans. The main aim of this review is to provide contemporary information on PAH sources, route of exposure, worldwide emission rate, and adverse effects on humans, especially with reference to cancer.

Original languageEnglish
Pages (from-to)182-189
Number of pages8
JournalAsian Pacific Journal of Tropical Biomedicine
Volume5
Issue number3
DOIs
StatePublished - 1 Jan 2015

Keywords

  • Benzo(a)pyrene
  • Cancer
  • DMBA
  • Environmental pollution
  • PAH

ASJC Scopus subject areas

  • Biochemistry, Genetics and Molecular Biology (miscellaneous)

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