Anti-inflammatory and neuroprotective effects of sanguinarine following cerebral ischemia in rats

Wang,Qin; Dai,Peng; Bao,Han; Liang,Ping; Wang,Wei; Xing,An; Sun,Jianbin

doi:10.3892/etm.2016.3947

Anti-inflammatory and neuroprotective effects of sanguinarine following cerebral ischemia in rats

Authors:
- Qin Wang
- Peng Dai
- Han Bao
- Ping Liang
- Wei Wang
- An Xing
- Jianbin Sun
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Affiliations: State Key Laboratory of Cancer Biology, Department of Pharmacogenomics, School of Pharmacy, The Fourth Military Medical University, Xi'an, Shaanxi 710032, P.R. China
Published online on: December 2, 2016 https://doi.org/10.3892/etm.2016.3947
Pages: 263-268

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Abstract

Stroke is one of the leading causes of mortality worldwide. Protective agents that can diminish injuries caused by cerebral ischemia-reperfusion (I/R) are important in alleviating the harmful outcomes of stroke. The aim of the present study was to investigate the protective role of sanguinarine in cerebral I/R injury. A rat middle cerebral artery occlusion model was used to assess the clinical effect of sanguinarine, and inflammatory cytokines in the serum were detected by ELISA. Western blotting was performed to examine the change in levels of apoptosis‑associated proteins in the injured brains. The results suggested that sanguinarine, an anti‑inflammatory agent derived from the roots of Sanguinaria canadensis, improved the state of cerebral ischemia in a rat model. The data demonstrated that when rats were treated with sanguinarine prior to middle cerebral artery occlusion, the infarct volume was reduced significantly. The inflammatory factors tumor necrosis factor‑α, interleukin (IL)‑6 and IL‑1β were measured in sanguinarine and vehicle‑treated groups using an enzyme‑linked immunosorbent assay, and the expression levels of the three factors were significantly reduced following treatment with sanguinarine (P<0.05). In addition, western blot analysis demonstrated that the ratio of B‑cell lymphoma 2/Bcl-2-associated X protein was significantly increased following treatment with sanguinarine (P<0.05). The study demonstrated that sanguinarine exerts a protective effect in cerebral ischemia, and that this effect is associated with the anti‑inflammatory and anti‑apoptotic properties of sanguinarine.

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