Carcinogenic 3-nitrobenzanthrone induces oxidative damage to isolated and cellular DNA.

Abstract

3-Nitrobenzanthrone (3-NBA) is an extremely potent mutagen in diesel exhaust. It is a lung carcinogen to rats, and therefore a suspected carcinogen to human. In order to clarify the mechanism of carcinogenicity of 3-NBA, we investigated oxidative DNA damage by N-hydroxy-3-aminobenzanthrone (N-OH-ABA), a metabolite of 3-NBA, using 32P-labeled DNA fragments… (More)

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