Title : [Genotoxicity and activation of organophosphate and carbamate pesticides by cytochrome P450 2D6].

Pub. Date : 2003 Jul-Sep

PMID : 14979094






2 Functional Relationships(s)
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1 Compared to microsomes incubated without quinine, where cholinesterase activity was inhibited to a mean 53% (chlorpyriphos) and 57% (aldicarb) of control, the introduction of P450 2D6 inhibitor quinine into microsomal incubation mixture reduced cholinesterase activity to 72% of control for chlorpyriphos and to 27% for aldicarb, suggesting that P450 2D6 is involved in the activation of chlorpyriphos but does not influence aldicarb toxicity on acetylcholinesterase. Quinine butyrylcholinesterase Rattus norvegicus
2 Compared to microsomes incubated without quinine, where cholinesterase activity was inhibited to a mean 53% (chlorpyriphos) and 57% (aldicarb) of control, the introduction of P450 2D6 inhibitor quinine into microsomal incubation mixture reduced cholinesterase activity to 72% of control for chlorpyriphos and to 27% for aldicarb, suggesting that P450 2D6 is involved in the activation of chlorpyriphos but does not influence aldicarb toxicity on acetylcholinesterase. Quinine butyrylcholinesterase Rattus norvegicus