Neurobehavioural study of subchronic administration of oxydemeton-methyl (insecticide and acaricide) in rats.
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2001-07-08
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Abstract
Oxydemeton-methyl, an organophosphate insecticide and acaricide produced decrease in the exploratory behaviour and prolongation of barbitone sodium induced hypnosis in rats after intermittent aerosol spray inhalational exposure, for 1/2 hour daily for 7 consecutive days, compared to the saline control group. Further, ED50 +/- SEM value for haloperidol induced catalepsy, CD50 +/- SEM value for pentylenetetrazole induced seizure and CI50 +/- SEM value for electroshock (i.e. the dose of haloperidol, PTZ and intensity of electroshock producing catalepsy or positive seizure response in 50% of rats) were significantly decreased after 7 days exposure to oxydemeton-methyl compared to that of saline control group. The study has established the central nervous system depressant effect, extrapyramidal effect and proconvulsant potential of oxydemeton-methyl which is widely used by the agricultural workers in the form of field spray.
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Kansal DK, Chakrabarti A. Neurobehavioural study of subchronic administration of oxydemeton-methyl (insecticide and acaricide) in rats. Indian Journal of Physiology and Pharmacology. 2001 Jul; 45(3): 329-36