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The mechanism of radix paeoniae rubra in treatment of myocardial ischemia-reperfusion injury based on network pharmacology and molecular docking

Radix Paeoniae Rubra (RPR) is a widely used herb medicine. To better understand the mechanism of RPR in the treatment of myocardial ischemia-reperfusion injury (MIRI), in this study, the network of protein–protein interaction of the RPR-MIRI targets was constructed and analyzed
 through network pharmacology and molecular docking. The enrichment analysis was performed and the network map was established, and the componenttarget network was then verified by molecular docking. In the result, there were 14 components and 52 targets related to MIRI. The results of Gene
 Ontology (GO) analysis displayed 182 biological processes, 44 cellular components, 56 molecular functions. 45 signal pathways were collected from Kyoto Encyclopedia of Genes and Genomes (KEGG) analysis, which were mainly related to Rap1, PI3 K-Akt signal pathway and so on. Molecular docking
 verified that the active components had lower binding energy with key targets, indicating that it had better binding activity. In conclusion, the treatment of RPR on MIRI is implemented through multi-component, multi-target and multi-pathway, which makes a provision for exploring the therapeutic
 mechanism of RPR and expanding its clinical application.