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- W2012932421 abstract "Donepezil hydrochloride (donepezil: (+/-)-2-[(1-benzylpiperidin-4-yl)methyl]-5,6-dimethoxy-indan-1-one monohydrochloride) is a potent acetylcholinesterase inhibitor used for treatment of Alzheimer's disease. Although acetylcholinesterase inhibitors are used as a symptomatic treatment for Alzheimer's disease, it is not clear whether or not they are effective against progressive degeneration of neuronal cells. In this study, we investigated the neuroprotective effects of donepezil and other acetylcholinesterase inhibitors used for treatment of Alzheimer's disease, i.e., galantamine, rivastigmine, and tacrine. As a neurodegenerative model, we used rat cortical neurons exposed to oxygen-glucose deprivation. Lactate dehydrogenase (LDH) released into the culture medium was measured as a marker of neuronal cell damage. First, the effects of donepezil (10 microM) on three different treatment schedules (from 12 h before to 24 h after oxygen-glucose deprivation (pre-12 h), from 1 h before to 24 h after oxygen-glucose deprivation (pre-1 h) and from 1 h after to 24 h after oxygen-glucose deprivation (post-1 h)) were compared. The pre-12-h treatment most effectively inhibited LDH release. The protective effect of donepezil was confirmed morphologically. Next, the effects of donepezil and the other three acetylcholinesterase inhibitors were compared under the pre-12-h treatment condition. Donepezil (0.1, 1, and 10 microM) significantly decreased LDH release in a concentration-dependent manner. However, galantamine (1, 10, and 100 microM), tacrine (0.1, 1, and 10 microM), and rivastigmine (0.1, 1, and 10 microM) did not significantly decrease LDH release. The neuroprotective effect of donepezil was not antagonized by scopolamine or mecamylamine. These results demonstrate that donepezil has a protective effect against oxygen-glucose deprivation-induced injury to rat primary cultured cerebral cortical neurons. Besides, it is suggested that this effect of donepezil is independent of muscarinic cholinergic system and nicotinic cholinergic system. Thus, donepezil is expected to have a protective effect against progressive degeneration of brain neuronal cells in ischemic cerebrovascular disease and Alzheimer's disease." @default.
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- W2012932421 date "2003-07-01" @default.
- W2012932421 modified "2023-10-03" @default.
- W2012932421 title "Protective effect of donepezil in a primary culture of rat cortical neurons exposed to oxygen–glucose deprivation" @default.
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- W2012932421 doi "https://doi.org/10.1016/s0014-2999(03)01865-x" @default.
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