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Biochem Biophys Res Commun. 2003 Dec 5;312(1):75-9.

Mechanism of impairment of cytochrome P450-dependent metabolism in hamster liver during leishmaniasis.

Author information

1
Department of Microbiology, Bose Institute, 700054 Kolkata, India. timir@bic.boseinst.ernet.in

Abstract

The mechanism of impairment of cytochrome P450 (P450)-dependent metabolism in hamster liver during leishmaniasis is reported. A significant decrease in the level of P450 was observed on the 20th day of infection when the parasite load in the liver was maximum. The decrease in P450 level was accompanied by a significant increase in the level of marker enzymes of liver and degeneration of liver tissue. The impairment was isozyme-specific and concomitant with the induction of nitric oxide synthase. The results of in vitro experiments with generated nitric oxide and with scavengers demonstrated that the impairment is mediated by NO. Treatment of the infected animals with a combination therapy showed reduction in parasite load, reversal of P450 impairment, and recovery of liver enzymes and tissue close to normal.

PMID:
14630021
DOI:
10.1016/j.bbrc.2003.09.227
[Indexed for MEDLINE]

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