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- W2942714095 abstract "Oxidative stress is a major risk factor for neurodegenerative disease. The Kelch-like ECH-associated protein 1 (Keap1)–nuclear factor erythroid 2 related factor 2 (Nrf2)–antioxidant response element (ARE) pathway is one of the most potent defensive systems against oxidative stress. Selenepezil, a selenium-based compound, was previously found to exhibit excellent acetylcholinesterase (AChE) inhibition, to mimic endogenous glutathione peroxidase (GPx) activity, and to exhibit scavenging activity for hydrogen peroxide in vitro. However, none of these activities have been evaluated in a cellular model, and detailed molecular mechanisms are not elucidated. Moreover, whether selenepezil ameliorates memory deficits in vivo remains unknown. This study validated the cytoprotective effect of selenepezil against 6-hydroxydopamine (6-OHDA)- or H2O2-induced SH-SY5Y cell damage via alleviation or neutralization of intracellular microtubule disorder, reactive oxygen species (ROS) accumulation, mitochondrial dysfunction, and cell apoptosis. Our study clearly demonstrated that selenepezil pretreatment exhibited remarkable cytoprotective effect in a Nrf2-dependent manner via activating the Keap1–Nrf2–ARE pathway and stimulating the transcription of Nrf2–ARE-regulated cytoprotective genes. Moreover, selenepezil·HCl exerts neuroprotective effect via attenuating Aβ-induced cognitive impairment in Alzheimer’s disease (AD) rat and was more active than the reference drug donepezil. In summary, selenepezil deserves further consideration for AD therapy." @default.
- W2942714095 created "2019-05-09" @default.
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- W2942714095 date "2019-04-29" @default.
- W2942714095 modified "2023-10-17" @default.
- W2942714095 title "Selenepezil, a Selenium-Containing Compound, Exerts Neuroprotective Effect via Modulation of the Keap1–Nrf2–ARE Pathway and Attenuates Aβ-Induced Cognitive Impairment <i>in Vivo</i>" @default.
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- W2942714095 doi "https://doi.org/10.1021/acschemneuro.9b00106" @default.
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