Neuroprotective Effect of Anthocyanin Extract from Lycium ruthenicum Murray in Aβ1–42-induced Rat Model of AD

Xueling Wu; Xiaoxiao Li; Shuang Liang; Yanxia Liu; Xueling Dai; Qiusheng Zheng; Yaxuan Sun

doi:10.20944/preprints201705.0144.v1

Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Version 1 : Received: 18 May 2017 / Approved: 19 May 2017 / Online: 19 May 2017 (06:26:45 CEST)

Alzheimer’s disease (AD) is an age-related neurodegenerative disease and is clinically characterized by cognitive impairment, memory loss, and personality disorder. Oligomers of amyloid beta-peptides (Aβ) and enhanced oxidative stress in senile plaques are prevalent pathologic hallmarks of AD. In this study, we detected the behavioral performance of Lycium ruthenicum Murray anthocyanin (LRA) -treated rats using the Morris water maze test and then investigated the effect of LRA on oxidative damage, neuronal apoptosis, and inflammatory response induced by Aβ1–42. Our results showed that LRA treatment markedly ameliorated the behavioral performance of Aβ1–42-induced rats and reduced the level of malondialdehyde, formation of protein carbonyl, and 8-hydroxy-2’-deoxygua-nosine. Furthermore, LRA also inhibited activated astrocytes and neuroinflammation via suppression of glial fibrillary acidic protein and tumor necrosis factor-alpha in the hippocampus of Aβ1–42-treated rat brain. These data suggest that LRA could be a potential anti-oxidant and anti-neuroinflammatory agent for the treatment of AD.

Alzheimer’s disease (AD); amyloid-β1-42(Aβ1–42); Lycium ruthenicum Murray (LRA); neuroprotective effect

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Neuroprotective Effect of Anthocyanin Extract from Lycium ruthenicum Murray in Aβ1–42-induced Rat Model of AD

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