HE Yihao,WANG Bing,YANG Jun,et al.Exploration on mechanism of Shaoyao Gancao Decoction in treating ulcerative colitis based on network pharmacology and in vitro cell experiments[J].Academic Journal of Shanghai University of Traditional Chinese Medicine,2022,36(06):59-69.
HE Yihao,WANG Bing,YANG Jun,et al.Exploration on mechanism of Shaoyao Gancao Decoction in treating ulcerative colitis based on network pharmacology and in vitro cell experiments[J].Academic Journal of Shanghai University of Traditional Chinese Medicine,2022,36(06):59-69. DOI: 10.16306/j.1008-861x.2022.06.010.
Exploration on mechanism of Shaoyao Gancao Decoction in treating ulcerative colitis based on network pharmacology and in vitro cell experiments
Objective: To explore the mechanism of Shaoyao Gancao Decoction (SYGCD)in the treatment of ulcerative colitis(UC)based on network pharmacology, differential gene analysis, molecular docking technology and ,in vitro, cell experiments.,Methods,2,Traditional Chinese Medicine Systems Pharmacology Database and Analysis Platform(TCMSP)and literature retrieval were used to obtain the active ingredients and targets of SYGCD. GSE47908 microarray data were obtained from GEO database, and differential gene heatmaps and volcano plots were drawn. The molecular gene network map of SYGCD against UC was constructed by Cytoscape software, and the core target topology network was drawn by Bisogenet and CytoNCA. GO functional enrichment analysis and KEGG pathway enrichment analysis of differential genes were performed by R 3.6.3 software. Molecular docking was used to analyze the interaction between active ingredients and key targets. RAW264.7 macrophages were used to preliminarily verify the anti-inflammatory effect of SYGCD by MTT assay and RT-qPCR assay ,in vitro,.,Results,2,①102 active ingredients of SYGCD for UC treatment were obtained, mainly including quercetin, kaempferol, isorhamnetin, etc. The key candidate genes such as peroxisome proliferator-activated receptor-γ (PPARγ) and inducible nitric oxide synthase (NOS2) were selected by topological network. Enrichment analysis showed that UC treatment was mainly related to interleukin (IL)-17 signaling pathway and tumor necrosis factor (TNF) signaling pathway, etc. ②Molecular docking results showed that the core components of SYGCD could bind to the key targets stably by hydrogen bonding. ③MTT assay results showed that SYGCD was almost not toxic to RAW264.7 cells. RT-qPCR results showed that SYGCD could reduce the mRNA expression levels of TNF-α, IL-1β and IL-6 cytokines in RAW264.7 cell inflammation model.,Conclusion,2,SYGCD has the characteristics of multi-component, multi-target and multi-pathway in treating UC, the mechanism of which may be that the active components of SYGCD, such as quercetin, kaempferol, formononetin, and isorhamnetin, act on the targets of PPARγ, NOS2, and IL-1β to regulate the signaling pathway of IL-17, TNF, and NF-κB to play a role in treating UC. SYGCD can exert anti-inflammatory effects by regulating pro-inflammatory cytokines TNF-α, IL-1β and IL-6.
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