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Environ Toxicol Pharmacol. 2007 Mar;23(2):256-63. doi: 10.1016/j.etap.2006.09.002. Epub 2006 Sep 15.

DNA damage induced by coexposure to PAHs and light.

Author information

1
Laboratory of Radiation Biology, Graduate School of Nutritional and Environmental Sciences, University of Shizuoka, 52-1 Yada, Shizuoka-shi 422-8526, Japan.

Abstract

Polycyclic aromatic hydrocarbons (PAHs) are widely distributed in the environment as pollutants in air, water and soil, and some are carcinogenic, being associated with various types of cancer. A majority of the research concerning the biological effects of PAHs has focused on the metabolic activation and DNA adducts leading to mutation and transformation. Although the role of the PAHs as photosensitizers has received much less attention, investigators have shown that PAHs excited by sunlight induced significant cytotoxicity and several kinds of DNA damage. Some PAHs were recently proved to be photomutagenic. In this review, we discuss the influence of PAHs in combination with sunlight focusing on the phototoxicity and cellular DNA damage produced.

PMID:
21783767
DOI:
10.1016/j.etap.2006.09.002

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