Structural characterization of the major adducts obtained after reaction of an ultimate carcinogen aflatoxin B1-dichloride with calf thymus DNA in vitro.


The major adduct formed on acid hydrolysis of calf thymus DNA which has been reacted with 8,9-dichloro-8,9-dihydroaflatoxin B1, a chemical model of the ultimate carcinogen 8,9-dihydro-8,9-epoxyaflatoxin B1 (AFB1-epoxide), has been characterized by proton nuclear magnetic resonance and fast atom bombardment mass spectroscopy. This adduct has been identified… (More)

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