Neurotransmitter Systems and the Epilepsy Models

Jobe, Phillip C.; LairdII, Hugh E.

doi:10.1007/978-1-59259-462-7_12

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Cited by 6 publications

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Propranolol-induced seizures in mice: the role of noradrenaline

Amabeoku¹,

Syce²

1997

Cellular and Molecular Life Sciences (CMLS)

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The effects of some noradrenergic agents, phenobarbitone, diazepam and phenytoin on seizures produced by propranolol were investigated in mice. Isoprenaline and DL-threo-3,4-dihydroxyphenylserine (DOPS) effectively antagonized the seizures elicited by propranolol. Pargyline and imipramine significantly attenuated propranolol-induced seizures and also significantly potentiated the protecting effect of DOPS against the seizures. alpha-Methyl-p-tyrosine, disulfiram and reserpine significantly potentiated propranolol-elicited seizures. However, DOPS significantly antagonized the seizure-potentiating effects of alpha-methyl-p-tyrosine, disulfiram and reserpine. Phenylephrine, clonidine, prazosin, idazoxan, phenobarbitone, diazepam and phenytoin did not significantly alter propranolol-induced seizures. These results suggest that propranolol-induced seizures in mice may involve a noradrenergic mechanism mediated via central beta-adrenoceptors.

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