Physiological Roles of β-amyloid in Regulating Synaptic Function: Implications for AD Pathophysiology.

Physiological Roles of β-amyloid in Regulating Synaptic Function: Implications for AD Pathophysiology.
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β-淀粉样蛋白在调节突触功能中的生理作用:AD 病理生理学的意义

DOI:
10.1007/s12264-022-00985-9
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发表时间:
2023-08
影响因子:
5.6
通讯作者:
Zhong, Chunjiu
Zhong, Chunjiu
中科院分区:
医学2区
文献类型:
--
作者:
Cai, Wenwen;Li, Linxi;Sang, Shaoming;Pan, Xiaoli;Zhong, Chunjiu

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内源性β淀粉样蛋白(amyloid-β,Aβ)在阿尔茨海默病(Alzheimer's disease,AD)的发病中起重要作用,但其生理功能尚未引起足够的重视。本文综述了Aβ的多种生理作用,特别是在调节突触传递方面的作用及其可能的机制,以期揭示Aβ在生理和病理条件下的真实的特征。一些有价值的研究表明,内源性Aβ的缺失导致突触功能障碍和认知功能缺陷,而该肽的适度升高则增强长时程增强并导致神经元过度兴奋。本文从生理学意义的角度对Aβ在AD病理生理中的作用进行了综述。
The physiological functions of endogenous amyloid-β (Aβ), which plays important role in the pathology of Alzheimer's disease (AD), have not been paid enough attention. Here, we review the multiple physiological effects of Aβ, particularly in regulating synaptic transmission, and the possible mechanisms, in order to decipher the real characters of Aβ under both physiological and pathological conditions. Some worthy studies have shown that the deprivation of endogenous Aβ gives rise to synaptic dysfunction and cognitive deficiency, while the moderate elevation of this peptide enhances long term potentiation and leads to neuronal hyperexcitability. In this review, we provide a new view for understanding the role of Aβ in AD pathophysiology from the perspective of physiological meaning.
淀粉样蛋白β动力学与受伤的人脑中的神经系统状况相关。
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发表时间: 2008-08-29
期刊: SCIENCE
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