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?:abstract
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Objective: To explore the potential mechanism of Bufei Huoxue Capsule (BHC) on coronavirus disease 2019 (COVID-19), and provide a theoretical basis for the clinical application of BHC. Methods: TCMSP, BATMAN-TCM, CNKI and Pubmed databases were used to search the compounds and targets of BHC and GeneCards database was used to search the targets of COVID-19; The intersection method was used to obtain the targets related to the therapeutic effect of BHC. Cytoscape 3.7.2 software was applied for the construction of CMM-compounds-targets network map. Protein-protein interaction (PPI) network was constructed by STRING database. Gene ontology (GO) functional enrichment analysis and KEGG pathway enrichment analysis were conducted by DAVID. AutoDock Tools 1.5.6 and AutoDock vina 1.1.2 were used for molecular docking. Results: A total of 32 potential active components were screened from BHC, corresponding to 203 targets. Among them, there were 11 core compounds and 52 core targets. PPI network analysis showed that there were 25 key targets intervening COVID-19 by BHC. A total of 251 biological processes (P < 0.05) and 93 pathways (P < 0.05) were obtained by GO analysis and KEGG analysis, respectively. The results of molecular docking showed that the key compounds had good affinity with SARS-CoV-2 3CL hydrolase and angiotensin converting enzyme II. Conclusion: The active compounds of BHC can target IL6, MAPK8, PTGS2, PTGS1 and NCOA2 to regulate multiple signal pathways, and play a therapeutic role in the recovery period of COVID-19.
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