期刊
EUROPEAN JOURNAL OF PHARMACOLOGY
卷 797, 期 -, 页码 94-105出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.ejphar.2017.01.019
关键词
Pentacyclic triterpenoid; Ilexgenin A; Aquifoliaceae Anti-inflammation; Lipopolysaccaride; Peritonitis
资金
- Social Development Project of Science and Technology Bureau of Yangzhou City [YZ 2014187]
- Natural Science Foundation of Jiangsu Province [BK20161340]
Ilexgenin A (IA) is a novel pentacyclic triterpenoid, which extracted from leaves of Ilex hainanensis Merr. In the present study, we aim to explore anti-inflammatory activity of IA on LPS-induced peritonitis and its underlying molecular mechanism. The results determined that IA was capable of suppressing peritonitis in mice induced by intraperitoneal (i.p.) injection of lipopolysaccaride (LPS). Furthermore, the results showed that IA dramatically inhibited levels of inflammatory cells infiltration in peritoneal cavity and serum in LPS-induced mice peritonitis model. Besides, IA could dramatically inhibit levels of inflammatory cytokines (IL-1 beta, IL-6 and TNF-alpha) in peritoneal cavity in LPS-induced mice peritonitis model. In vitro study, the results showed that IA inhibited production of IL-1 beta, IL-6 and TNF-alpha at transcriptional and translational levels in RAW 264.7 cells induced by LPS. Furthermore, IA could suppress the LPS-induced activation of Akt and downstream degradation and phosphorylation of kappa B-alpha (I kappa B-alpha). Moreover, IA could significantly inhibit ERK 1/2 phosphorylation in RAW 264.7 cells induced by LPS. These results were concurrent with molecular docking which revealed ERK1/2 inhibition. These results demonstrated that IA might as an anti-inflammatory agent candidate for inflammatory disease therapy.
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