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Article Publish Status: FREE
Abstract Title:

Berberine Improves Cognitive Impairment by Simultaneously Impacting Cerebral Blood Flow andβ-Amyloid Accumulation in an APP/tau/PS1 Mouse Model of Alzheimer's Disease.

Abstract Source:

Cells. 2021 May 11 ;10(5). Epub 2021 May 11. PMID: 34064687

Abstract Author(s):

Chenghui Ye, Yubin Liang, Ying Chen, Yu Xiong, Yingfang She, Xiaochun Zhong, Hongda Chen, Min Huang

Article Affiliation:

Chenghui Ye

Abstract:

Alzheimer's disease (AD) is accompanied byβ-amyloid (Aβ), neurofibrillary tangles, and neuron cell death, and is one of the most commonly occurring diseases among the elderly. The pathology of AD is complex, involving Aβ overproduction and accumulation, tau hyperphosphorylation, and neuronal loss. In addition, chronic cerebral hypoperfusion (CCH) is ubiquitous in the AD patients and plans a pivotal role in triggering and exacerbating the pathophysiological progress of AD. The goal of this study was to investigate the neuroprotective properties of berberine (BBR) and the underlying mechanism. During the study, BBR was administratedto treat the triple-transgenic mouse model of Alzheimer's disease (3×Tg AD). To thoroughly evaluate the effects of the BBR administration, multiple manners were utilized, for instance, 3D arterial spin labeling technique, Morris water maze assay, immunofluorescence staining, TUNEL assay, laser speckle contrast imaging, western blotting, etc. The results showed that BBR ameliorated cognitive deficits in 3×Tg AD mice, reduced the Aβ accumulation, inhibited the apoptosis of neurons, promoted the formation of microvessels in the mouse brain by enhancing brain CD31, VEGF, N-cadherin, Ang-1. Thenew vessels promoted by BBR were observed to have a complete structure and perfect function, which in turn promoted the recovery of cerebral blood flow (CBF). In general, berberine is effective to 3×Tg AD mice, has a neuroprotective effect, and is a candidate drug for the multi-target prevention and treatment of AD.

Study Type : Animal Study

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