Stereoselective metabolism of the environmental mammary carcinogen 6-nitrochrysene to trans-1,2-dihydroxy-1,2-dihydro-6-nitrochrysene by aroclor 1254-treated rat liver microsomes and their comparative mutation profiles in a laci mammary epithelial cell line.

Abstract excerpt

The environmental pollutant 6-nitrochrysene (6-NC) is a powerful mammary carcinogen and mutagen in rats. Our previous studies have shown that 6-NC is metabolized to trans-1,2-dihydroxy-1,2-dihydro-6-nitrochrysene (1,2-DHD-6-NC) in rats and in several in vitro systems, including human breast tissue, and the latter is the proximate carcinogenic form in the rat mammary gland. Because optically active enantiomers of...

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