期刊
EUROPEAN JOURNAL OF PHARMACOLOGY
卷 635, 期 1-3, 页码 79-86出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.ejphar.2010.02.049
关键词
Corilagin; Inflammation; Herpes simplex virus-1; Encephalitis; Apoptosis; Microglia
The aim of this explore is to study the anti-inflammatory effect of Corilagin in herpes simplex virus (HSV)-1 infected microglial cells and HSV-1 infected mouse brain. The cellular model was set with microglial cells stimulated by HSV-1 and divided respectively, into virus, astragalus polysaccharides (APS), Dexamethasone and Corilagin group. A normal control group consisting of uninfected microglial cells was also included. ELISA for measuring TNF-alpha, IL-1 beta and IL-10 and Greiss method for detecting NO secretion in supernatant, flow cytometry assay for examining apoptosis rate, expression of caspase-3, caspase-8, caspase-9 and caspase-12, and western-blot for measuring protein expression of cytochrome c were performed. The animal model was set up using Balb/c male mice that were intracranially inoculated with HSV-1. Animals were then divided in groups as described for the cellular model. Here, too a normal control group was included. HE staining was used to assay pathological changes in brain. As results, after Corilagin intervention, the release of TNF-alpha, IL-1 beta and NO from HSV-stimulated migroglia cells was significantly inhibited. Furthermore, Corilagin induced apoptosis of HSV-stimulated microglia through all the 3 known apoptotic pathways. The animal model treated with Corilagin also displayed significant decrease of herpes simplex encephalitis induced brain pathological changes. In conclusion, Corilagin has the potential to reduce HSV-1-induced inflammatory insult to the brain, and its mode of action is through the induction of apoptosis of microglias and reduction of cytokines production. (C) 2010 Elsevier B.V. All rights reserved.
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