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  • Title: Dichlorvos and the cholinergic system: effects on cholinesterase and acetylcholine and choline contents of rat tissues.
    Author: Modak AT, Stavinoha WB, Weintraub ST.
    Journal: Arch Int Pharmacodyn Ther; 1975 Oct; 217(2):293-301. PubMed ID: 1190924.
    Abstract:
    The inhibition of cholinesterase by 50 mg/kg/5 ml, p.o., dichlorvos and subsequent recovery of enzyme activity was uniform in all brain regions studied. This uniformity was not observed in liver, erythrocytes and plasma. Acetylcholine levels were elevated in brain areas from 48 to 171% at 15 minutes after treatment. However, a biphasic effect was seen on choline metabolism in the brain. The cortex was found to be more cholinergic than the striatum in terms of per cent increase in acetylcholine and choline.
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