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Abstract Title:

Betulinic acid protects against cerebral ischemia/reperfusion injury by activating the PI3K/Akt signaling pathway.

Abstract Source:

Biomed Pharmacother. 2016 Dec ;84:1533-1537. Epub 2016 Nov 18. PMID: 27876208

Abstract Author(s):

Shujie Jiao, Hongcan Zhu, Ping He, Junfang Teng

Article Affiliation:

Shujie Jiao

Abstract:

Betulinic acid (BA), a naturally occurring pentacyclic lupane group triterpenoid, has been demonstrated to protect against ischemia/reperfusion-induced renal damage. However, the effects of BA on cerebral ischemia/reperfusion (I/R) injury remain unclear. Hence, this study was to investigate the effects of BA on oxygen and glucose deprivation/reperfusion (OGD/R) induced neuronal injury in rat hippocampal neurons. Our results showed that BA pretreatment greatly attenuated OGD/R-induced neuronal injury. BA also inhibited OGD/R-induced intracellular ROS production and MDA level in rat hippocampal neurons. Furthermore, the down-regulation of Bcl-2, up-regulation of Bax and the consequent activation of caspase-3 induced by OGD/R were reversed by BA pretreatment. Mechanistic studies demonstrated that BA pretreatment up-regulated the expression levels of p-PI3K and p-Akt in hippocampal neurons induced by OGD/R. Taken together, these data suggested that BA inhibits OGD/R-induced neuronal injury in rat hippocampal neurons through the activation of PI3K/Akt signaling pathway.

Study Type : In Vitro Study

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Sayer Ji
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