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The effect of long-term GSH administration on aflatoxin B1(AFB1)-induced carcinogenesis in the livers of male Wistar II rats was evaluated. No significant effect of an 11 months period of reduced glutathione (GSH) administration was observed concerning both the survival curve and the incidence of liver tumors. Liver tissues of all animals were bearing tumors or nodular lesions 24 months after AFB1treatment, regardless of GSH treatment. The capacity of the GSH conjugation system was elevated in the liver tissue of AFB1-treated animals both by an increase of GSH content and an increase of the specific activities of several GSH S-transferase isoenzymes. Likewise the specific activities of GSH related enzymes as GSSG reductase and γ-glutamyltransferase (γ-GT) and the activity of the GSH independent detoxication system NAD(P)H:quinone oxidoreductase were increased in the AFB1-treated livers, there was no significant effect of GSH treatment. These results demonstrate that long-term GSH treatment has no effect on the survival of AFB1-pretreated male rats on the incidence of liver tumors and on the activities of drug metabolizing systems. The hepatic detoxication capacity 24 months after AFB1treatment is elevated. © 1985 Elsevier Scientific Publishers Ireland Ltd.




Wagner, G., Frenzel, H., Wefers, H., & Sies, H. (1985). Lack of effect of long-term glutathione administration on aflatoxin B1-induced hepatoma in male rats. Chemico-Biological Interactions, 53(C), 57–68. https://doi.org/10.1016/S0009-2797(85)80084-3

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