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Abstract Title:

Ginsenoside Rb1 protects against spinal cord ischemia-reperfusion injury in rats by downregulating the Bax/Bcl-2 ratio and caspase-3 and p-Ask-1 levels.

Abstract Source:

Exp Mol Pathol. 2018 Sep 2 ;105(3):229-235. Epub 2018 Sep 2. PMID: 30184471

Abstract Author(s):

Dongxu Zhao, Minglei Zhang, Hongping Yuan, Chunyang Meng, Boyin Zhang, Han Wu

Article Affiliation:

Dongxu Zhao

Abstract:

The aim of this study was to confirm the effects of ginsenoside Rb1 on neural cell apoptosis in the spinal cord of rats with spinal cord ischemia-reperfusion injury (SCII) and to explore its potential mechanisms. A total of 100 healthy adult Sprague-Dawley (SD) rats were randomly divided into four groups: normal control (n = 10), sham-operated (n = 10), SCII model (n = 40), and ginsenoside Rb1-treated groups (n = 40). Basso, Beattie, Bresnahan (BBB) scale was used to examine rat hindlimb locomotor function. Nissl and Tunnel staining were used to observe neural cell injury and apoptosis, respectively,in the spinal cord of rats with SCII. Immunofluorescence staining was performed to detect the expression of Bax and Bcl-2. The levels of caspase-3 and phosphorylated Ask-1 (p-Ask-1) were detected by western blotting. Ginsenoside Rb1 prevented neural cell apoptosis in the spinal cord and improved hindlimb locomotor dysfunction of rats (P < .05). Moreover, SCII-induced upregulation of caspase-3 and p-Ask-1 levels and the Bax/Bcl-2 ratio were significantly decreased by ginsenoside Rb1 (P < .05). The protective effects of ginsenoside Rb1 on neural cells in the spinal cord of rats with SCII were mediated by the ginsenoside Rb1-induced downregulation of caspase-3 and p-Ask-1 levels and the Bax/Bcl-2 ratio.

Study Type : Animal Study

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