Paeoniflorin attenuates hepatic ischemia/reperfusion injury via anti-oxidative, anti-inflammatory and anti-apoptotic pathways

Tao,Ye; Wen,Zhihong; Song,Yingqian; Wang,Hui

doi:10.3892/etm.2015.2902

Paeoniflorin attenuates hepatic ischemia/reperfusion injury via anti-oxidative, anti-inflammatory and anti-apoptotic pathways

Authors:
- Ye Tao
- Zhihong Wen
- Yingqian Song
- Hui Wang
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Affiliations: Department of Ultrasonography, The First Affiliated Hospital of Dalian Medical University, Dalian, Liaoning 116011, P.R. China, Department of Radiology, The Fifth People's Hospital of Dalian, Dalian, Liaoning 116021, P.R. China, Department of Nursing, The First Affiliated Hospital of Dalian Medical University, Dalian, Liaoning 116021, P.R. China
Published online on: November 27, 2015 https://doi.org/10.3892/etm.2015.2902
Pages: 263-268

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Abstract

During liver surgery, hepatic blood flow needs to be blocked in order to reduce bleeding, which inevitably results in hepatic ischemia/reperfusion injury (HI/R). Paeoniflorin (PF) is the main active ingredient of the traditional Chinese herbal medicine peony, which has been shown to exert anti‑oxidative and anti‑apoptotic properties. In the present study, a mouse model of HI/R was generated by clamping the hepatoportal vein, hepatic artery, and hepatic duct of BALB/c mice with a vascular clamp for 30 min, followed by reperfusion for 6 h under anesthesia. Six mice in the three PF treatment groups (5, 10 and 20 mg/kg) were then injected with PF, via the tail vein. A sham group, consisting of six mice that did not undergo the procedure, and a vehicle group, consisting of 6 mice that underwent the procedure but subsequently received injections of physiological saline only, were used as controls. Liver injury was indicated by serum levels of the enzymes alanine transaminase (ALT) and aspartate transaminase (AST). The activities of oxidative stress biomarkers, including superoxide dismutase (SOD), glutathione (GSH), glutathione peroxidase (GSH‑PX) and malondialdehyde (MDA), were also measured. Furthermore, the activity of caspase‑3 was analyzed in hepatic tissue using a commercial kit. Treatment with PF significantly attenuated HI/R injury histologically, as compared with the vehicle group. In addition, significant reductions in the serum levels of ALT and AST were observed in the PF‑treated ischemic mice. Furthermore, treatment with PF enhanced the activities of hepatic tissue SOD, GSH and GSH‑PX, but decreased the MDA content. Treatment of ischemic mice with PF markedly reduced the expression levels of inflammatory mediators, including nuclear factor‑κB, tumor necrosis factor‑α, interleukin (IL)‑6, and IL‑1β, and decreased the HI/R injury‑induced expression of caspase‑3. The results of the present study suggest that PF attenuates the HI/R injury of mice via anti-oxidative, anti-inflammatory and anti-apoptotic activities.

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