| 2253519 |
Wu K: [Comparative ability of three aniline derivatives to alter biotransformation enzymes in rat liver]. Zhonghua Yu Fang Yi Xue Za Zhi. 1990 May;24(3):139-42.
The effect of 4,4'-methylene bis (2-chloroaniline) (MOCA), 4,4'-methylene dianiline (MDA) and 4,4'-sulfonyl dianiline (Dapsone) on xenobiotic biotransformation in vivo was studied in male rat liver. Treatment with MOCA and MDA caused a dose dependent increase in ethoxyresorufin O-deethylase activity and concomitant decrease in aldrin epoxidase activity. Treatment with MOCA and MDA also resulted in increases in ethoxycoumarin O-deethylation and epoxide hydrolation while only MOCA induced cytosolic glutathione S-transferase activity. Treatment with Dapsone resulted in no changes in xenobiotic biotransformation except for the induction of aniline hydroxylation. The results are consistent with the contention that there is a relationship between carcinogenic chemicals and particular alteration in the activities of biotransformation enzymes. |
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