We analyzed changes in activities of enzymes of phases I and II of xenobiotic biotransformation and parameters of NO metabolism in liver microsomes of rats with toxic CCl4-induced hepatitis after a 14-day course of sesquiterpene lactones from Artemisia leucodes (10 mg/kg). It was found that toxic hepatitis was associated with significant inhibition of NADPH-cytochrome c-reductase, benzo(a)pyrene hydroxylase, and NADPH-diaphorase, reduced cytochrome P-450 content, and enhanced induction of nitrate/nitrite reductase with accumulation of NO metabolites in the liver. Administration of sesquiterpene lactones stimulated activity of the studied components of the cytochrome P-450 system and promoted recovery of the NOergic system components; the effects were most pronounced in 7 and 14 days after treatment.
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Translated from Byulleten’ Eksperimental’noi Biologii i Meditsiny, Vol. 172, No. 8, pp. 157-161, August, 2021
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Tursunova, N.V., Syrov, V.N., Khushbaktova, Z.A. et al. Monooxygenase System and NO Metabolism in Liver Microsomes of Rats with Toxic Hepatitis and the Effect of Sesquiterpene Lactones. Bull Exp Biol Med 172, 133–136 (2021). https://doi.org/10.1007/s10517-021-05349-3
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DOI: https://doi.org/10.1007/s10517-021-05349-3