Association of PAH-DNA adducts in peripheral white blood cells with dietary exposure to polyaromatic hydrocarbons.

Nathaniel Rothman,M. C. Poirier,R. Haas,Adolfo Correa-Villaseñor,P. D. Ford,J. Hansen,Tara O'Toole,Paul T. Strickland

Published 1993 in Environmental Health Perspectives

ABSTRACT

Previous investigations suggest that dietary sources of polycyclic aromatic hydrocarbons (PAHs) contribute to the PAH-DNA adduct load in peripheral white blood cells (WBCs). In the current study, we measured PAH-DNA adducts by enzyme-linked immunosorbent assay in WBCs obtained from 47 California wildland (forest) firefighters at two time points (early and late) during an active forest fire season. PAH-DNA adduct levels were not associated with recent firefighting activity, but were positively associated with frequency of charbroiled food consumption in the previous 2 weeks. In addition, adduct levels declined with time since last ingestion of charbroiled food. These studies indicate that recent consumption of charbroiled food contributes to the PAH-DNA adduct load in peripheral WBCs.

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