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  • Title: Neuroprotective effect of donepezil, a nicotinic acetylcholine-receptor activator, on cerebral infarction in rats.
    Author: Fujiki M, Kobayashi H, Uchida S, Inoue R, Ishii K.
    Journal: Brain Res; 2005 May 10; 1043(1-2):236-41. PubMed ID: 15862539.
    Abstract:
    This study evaluated the potential effect of donepezil, which is known as an acetylcholinesterase inhibitor used for treatment of Alzheimer's disease, against cerebral infarction induced by permanent left middle cerebral artery (MCA) occlusion. Donepezil was given orally in various regimens, prior to MCA occlusion in rats. Pretreatment with a single oral dose of donepezil (12 mg/kg), 2 h before ischemia, significantly attenuated cerebral infarction volume (165.5 +/- 105.3 vs. 377.1 +/- 48.5 mm(3); P < 0.05). These neuroprotective effects were prevented by coinjection with mecamylamine, a nicotinic acetylcholine-receptor (nAChR) antagonist, indicating that protection was mediated by nAChR activation.
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