Abstract:
:α-Cyperone is the volatile oil component in Cyperus rotundus L. The previous reports had shown the inhibition of α-Cyperone on NF-κB signaling in LPS-stimulated RAW264.7 cells. However, it is still unclear whether α-Cyperone could suppress inflammatory response in acute lung injury (ALI) induced by LPS. The aim of this study is to investigate the suppression of α-Cyperone on LPS-induced ALI in mice. In this study, we established the LPS-induced ALI model and compared different doses of α-Cyperone with the control group and LPS group. Accordingly, the following indexes would be compared, including lung wet/dry ratio, MPO activity, inflammatory cell number, histopathological changes, levels of inflammatory cytokines, NF-κB and NLRP3 signaling pathways activation. The results demonstrated that α-Cyperone had the effect on reducing the wet/dry ratio and MPO activity. Furthermore, the increase of inflammatory cells and inflammatory cytokines could be inhibited by α-Cyperone. Meanwhile, α-Cyperone could downregulate NF-κB and NLRP3 signaling pathways. Finally, we found α-Cyperone could up-regulate the expression of SIRT1 and SIRT1 inhibitor could reverse the protective effects of α-Cyperone on ALI. In conclusion, α-Cyperone showed the protective effect on LPS-induced ALI in mice by suppressing the NF-κB and NLRP3 signaling pathways, mainly via up-regulating SIRT1. This provides a potential drug for the treatment of LPS-induced ALI.
journal_name
Int Immunopharmacoljournal_title
International immunopharmacologyauthors
Liu X,Jin X,Yu D,Liu Gdoi
10.1016/j.intimp.2019.105886subject
Has Abstractpub_date
2019-11-01 00:00:00pages
105886eissn
1567-5769issn
1878-1705pii
S1567-5769(19)31561-9journal_volume
76pub_type
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journal_title:International immunopharmacology
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journal_title:International immunopharmacology
pub_type: 杂志文章
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pub_type: 杂志文章,评审
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