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Protective Effects of Chelerythrine Against Lipopolysaccharide-Induced Endotoxic Shock in Mice

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Abstract

Chelerythrine (CHE), a quaternary benzo[c]phenanthridine alkaloid, exhibits a wide spectrum of pharmacological effects. Although CHE has been used to treat various diseases, the protective effects of CHE on lipopolysaccharide (LPS)-induced endotoxic shock have not been explored. The aims of the study were to investigate the protective effects of CHE on LPS-induced endotoxic shock in mice and clarify the mechanism of the effects. We found that pretreatment with CHE (1, 5, and 10 mg/kg, po) at 1 and 12 h before injected intraperitoneally with 1 mg/kg LPS markedly decreased the production of interleukin-6 (IL-6), tumor necrosis factor alpha (TNF-α), and myeloperoxidase (MPO) and attenuated the lung histopathological changes. Meanwhile, the effects were dependent on the inhibition of the expression of p65 nuclear factor κB (NF-κB). The protective effects of CHE on LPS-induced endotoxic shock can be attributed to attenuating inflammatory cytokines and inhibition of the expression of NF-κB.

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Acknowledgments

This research was financially supported in part by the Shanxi National Science Foundation of international cooperation projects (No. 2013KW26-02) to W.F. Li. The authors are very grateful to professor Y.M. Zhang for their technical assistance from Xi’an Jiaotong University.

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Correspondence to Weifeng Li.

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Niu, X., Mu, Q., Li, W. et al. Protective Effects of Chelerythrine Against Lipopolysaccharide-Induced Endotoxic Shock in Mice. Inflammation 37, 1968–1975 (2014). https://doi.org/10.1007/s10753-014-9929-7

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  • DOI: https://doi.org/10.1007/s10753-014-9929-7

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