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Mutation of human cells by kerosene soot

Journal Article · · J. Natl. Cancer Inst.; (United States)
OSTI ID:5260332

The polycyclic aromatic hydrocarbon fraction of a kerosene soot induced forward mutation in human diploid lymphoblasts when coincubated with coincubated with Sprague-Dawley rat liver postmitochondrial supematant. Two components of the kerosene soot extract, benzo(a)pyrene (BP) and cyclopenta(cd)pyrene (CP), were also tested. BP was not mutagenic at the concentration found in the soot extract, although it was active at higher concentrations. The amount of CP present could account for approximately 8% of the total mutation observed with the soot. The results were compared to data obtained previously in a similar mutation assay in Salmonella typhimurium. the protocol described permits the facile assay of mutation at the hgprt locus in human lymphoblasts; such mutation is induced by compounds or complex mixtures requiring mixed-function oxygenase activity for metabolism to genetically active derivatives.

OSTI ID:
5260332
Journal Information:
J. Natl. Cancer Inst.; (United States), Journal Name: J. Natl. Cancer Inst.; (United States) Vol. 63:2; ISSN JNCIA
Country of Publication:
United States
Language:
English