• Xiaoling Li, Haowen Lin, Qu Wang, Liao Cui, Hui Luo, and Lianxiang Luo.
• Animal Experiment Center, Guangdong Medical University, Zhanjiang, China.
• Drug Dev Ind Pharm. 2020 Dec 1; 46 (12): 1947-1959.

PurposeShenfu decoction has outstanding curative effects in the treatment of COVID-19. This study aimed to explore the material basis and molecular mechanism of Shenfu Decoction through network pharmacology and molecular mechanisms, to provide a research basis for clinical medication and clues for subsequent research.MethodsThe active components and targets of Shenfu decoction were searched in the Traditional Chinese Medicine Systems Pharmacology Database and Analysis Platform (TCMSP), and the COVID-19-associated genes were collected using the Gene Cards platform. The target protein-protein interaction network map was constructed by mapping two genes, and the 'drug-active ingredient-target' network was constructed using Cytoscape software. The Gene Ontology (GO) function and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway enrichment of the mapping targets were analyzed.ResultBased on Traditional Chinese medicine, Shenfu Decoction can take effect in the lung, spleen, kidney and heart. Considering oral bioavailability (OB) ≥ 30% and drug-like (DL) ≥ 0.18 as the standard, 43 active compounds were screened and 114 Shenfu decoction action targets were collected. The key targets were CASP3, MAPK8, PTGS2, IL1B, PPARG, ICAM1, IFNG, RELA, NOS2, NOS3, HMOX1, CASP8, STAT1, and TGFB1. According to the standard of p < .05, GO function was enriched in 108 biological processes, 16 cell processes and 27 molecular processes. Sixty-three signaling pathways were enriched by KEGG, which can be divided into four types: viral infection pathways, signal pathways, biological process pathways and different disease pathways. The comparison of negative and positive prescriptions further reflects the positive effect of Shenfu decoction against COVID-19. Finally, the effective ingredients with the high degree were molecular docked with Mpro, Rdrp and Spro proteins to further confirm the intervention effect of Shenfu Decoction on COVID-19.ConclusionShenfu decoction played an important role in regulating the anti-virus process, regulating immunity, inhibiting inflammation and regulating apoptosis through the interrelated regulation mechanism of multi-components and multi-targets, to treat patients with severe COVID-19.

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