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Article Publish Status: FREE
Abstract Title:

Effects of ginsenoside Rb1 on spinal cord ischemia-reperfusion injury in rats.

Abstract Source:

J Orthop Surg Res. 2019 Aug 14 ;14(1):259. Epub 2019 Aug 14. PMID: 31412899

Abstract Author(s):

Jin-Tao Ye, Feng-Tao Li, Sheng-Li Huang, Jian-Li Xue, Yirixiati Aihaiti, Hao Wu, Ruo-Xi Liu, Bin Cheng

Article Affiliation:

Jin-Tao Ye

Abstract:

BACKGROUND: The aim of this study was to evaluate the effects of different doses of ginsenoside Rb1 (GRb1) pretreatment on spinal cord ischemia-reperfusion (SCII) in rats and explore the potential mechanisms about the expression of survivin protein after the intervention.

METHODS: A total of 90 healthy adult Sprague-Dawley (SD) rats were randomly divided into six groups: sham-operated (n = 15), SCII model (n = 15), and GRb1-treated groups (n = 60). The GRb1-treated group was divided into four subgroups: 10 mg/kg, 20 mg/kg, 40 mg/kg, and 80 mg/kg (n = 15). The corresponding dose of GRb1 was injected intraperitoneally 30 min before operation and every day after operation. Forty-eight hours after model establishment, the neurological function of hind limbs was measured with Basso, Beattie, and Bresnahan (BBB) scale. The superoxide dismutase (SOD) and malondialdehyde (MDA) levels in serum and spinal cord tissue were detected respectively. The expression of survivin protein was observed by immunofluorescence staining. HE and TUNEL staining were used to observe neural cell injury and apoptosis, respectively, in the spinal cord of rats with SCII.

RESULTS: The intervention of different doses of GRb1 could increase SOD activity and decrease MDA content in serum and spinal cord tissue, increase survivin protein expression, and decrease neuronal apoptosis. It was dose-dependent, but there was no significant change between 40 mg/kg and 80 mg/kg.

CONCLUSIONS: GRb1 could reduce the cell apoptosis induced by SCII through inhibiting oxidative stress. It can also inhibit apoptosis by promoting the expression of Survivin protein. Ginsenoside Rb1 had a dose-dependent protective effect on SCII in the dose range of 10 mg/kg-40 mg/kg.

Study Type : Animal Study

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