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We examined the mechanisms of the neuroprotective effects of two central-type acetylcholinesterase inhibitors, galanthamine and tacrine, on nitric oxide-mediated glutamate neurotoxicity using primary cultures from the cerebral cortex of fetal rats. Galanthamine and tacrine showed prominent protective effects against glutamate neurotoxicity. Mecamylamine, a nicotinic acetylcholine receptor antagonist,...
We show here that donepezil, galanathamine and tacrine, therapeutic acetylcholinesterase inhibitors currently being used for treatment of Alzheimer's disease, protect neuronal cells in a time- and concentration-dependent manner from glutamate neurotoxicity that involves apoptosis. The neuroprotective effects were antagonized by mecamylamine, an inhibitor of nicotinic acetylcholine receptors (nAChRs)...
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