Abstract Title:

Chrysin ameliorates cerebral ischemia/reperfusion (I/R) injury in rats by regulating the PI3K/Akt/mTOR pathway.

Abstract Source:

Neurochem Int. 2019 10 ;129:104496. Epub 2019 Jun 25. PMID: 31247243

Abstract Author(s):

Teng-Fei Li, Ji Ma, Xin-Wei Han, Yong-Xu Jia, Hui-Fei Yuan, Shao-Feng Shui, Dong Guo, Lei Yan

Article Affiliation:

Teng-Fei Li


In this study, the effects of chrysin on cerebral ischemia by establishing middle cerebral artery occlusion (MCAO) in rat were investigated. In vivo experiments, the rats were orally administrated with clopidogrel or chrysin once daily for 7 days before the experimental of ischemia and the rats were divided into 5 groups: the sham group, the I/R group, I/R + clopidogrel group, I/R + chrysin (10 mg/kg), I/R + chrysin (20 mg/kg) group. Chrysin significantly ameliorated the I/R rats, evaluated by TTC staining, determination of brain wet to dry weight ratio and neurological deficits. Moreover, in serum and brain tissues of the I/R rats, chrysin also could effectively suppress the release of inflammatory cytokines, including levels of interleukin-6 (IL-6), interleukin-1β (IL-1β) and tumor necrosis factor-α (TNF-α). In addition, chrysin could improve the SOD activity in the I/R rats. Mechanically, chrysin could activate the PI3K/Akt/mTORpathway, inhibited inflammation and apoptosis. In oxygen-glucose deprivation and recovery (OGD/R)-induced SH-SY5Y cells in vitro. Chrysin markedly decreased the levels of TNF-α, IL-6 and IL-1β in supernatant of OGD/R-induced SH-SY5Y cells via activating PI3K/Akt/mTOR pathway. In conclusion, our study demonstrated that chrysin might be a potential therapeutic agent for cerebral ischemia.

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