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- W3105295958 abstract "Alzheimer’s disease (AD) is a complex pathological neurodegenerative disease that seriously threatens human health. Therefore, how to effectively improve and treat AD is an urgent problem. In this study, a novel multitarget derivative based on tacrine (named 9i), which could work simultaneously on more than one pathological target, was used to treat AD model APP/PS1 transgenic mice. After 4 weeks of intragastric administration, cognitive function and synaptic plasticity were significantly improved and β-amyloid (Aβ) plaques that are main pathological hallmarks of AD were decreased in the APP/PS1 mice. On the one hand, 9i inhibited the excessive activation of the Raf/MEK/ERK signaling pathway to alleviate the loss of neurons, which provides a foundation for structural integrity. On the other hand, synaptic associated proteins and the density of synaptic spines were increased in APP/PS1 mice treated with 9i, which provides the basis for the improvement of synaptic plasticity and cognitive impairment. Interestingly, 9i also reduced Aβ plaques in the DG region, which is consistent with previous in vitro experiments showing that 9i inhibited the self-assembly of Aβ fibers, thus protecting neurons from Aβ plaque neurotoxicity. Our results suggest that 9i as a novel compound can effectively improve the cognitive function and the pathological changes of AD in APP/PS1 transgenic mice." @default.
- W3105295958 created "2020-11-23" @default.
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- W3105295958 date "2020-11-20" @default.
- W3105295958 modified "2023-10-18" @default.
- W3105295958 title "Novel Multitarget Directed Tacrine Hybrids as Anti-Alzheimer’s Compounds Improved Synaptic Plasticity and Cognitive Impairment in APP/PS1 Transgenic Mice" @default.
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- W3105295958 doi "https://doi.org/10.1021/acschemneuro.0c00574" @default.
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