| 9192205 |
Stott I, Murthy A, Robinson A, Thomas NW, Fry JR: Low-dose diethyldithiocarbamate attenuates the hepatotoxicity of 1,3-dichloro-2-propanol and selectively inhibits CYP2E1 activity in the rat. Hum Exp Toxicol. 1997 May;16(5):262-6.
The effect of low doses of diethyldithiocarbamate (DEDC) on hepatic cytochrome P450-dependent enzyme activity and 1,3-dichloro-2-propanol (DCP) hepatotoxicity in the rat have been investigated. DEDC at a dose of 5 mg/kg selectively inhibited enzyme markers for CYP2E1 activity, and provided substantial protection against DCP hepatotoxicity. At a higher dose (25 mg/kg), DEDC also inhibited an enzyme marker for CYP1A2 activity and provided complete protection against DCP hepatotoxicity. It is concluded: (a) that DEDC at a dose of 5 mg/kg is a selective CYP2E1 inhibitor in the rat in vivo; and (b) that DCP hepatotoxicity is mediated principally by CYP2E1, with a possible contribution from CYP1A2. |
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