Mechanism of Sinitang against Myocardial Ischemia-reperfusion Injury: Prediction Based on Network Pharmacology and Verification by Cellular Experiments
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Mechanism of Sinitang against Myocardial Ischemia-reperfusion Injury: Prediction Based on Network Pharmacology and Verification by Cellular Experiments
Chinese Journal of Experimental Traditional Medical FormulaeVol. 28, Issue 9, Pages: 168-175(2022)
ZHAO Bo,QU Xin-liang,WANG Qi,et al.Mechanism of Sinitang against Myocardial Ischemia-reperfusion Injury: Prediction Based on Network Pharmacology and Verification by Cellular Experiments[J].Chinese Journal of Experimental Traditional Medical Formulae,2022,28(09):168-175.
ZHAO Bo,QU Xin-liang,WANG Qi,et al.Mechanism of Sinitang against Myocardial Ischemia-reperfusion Injury: Prediction Based on Network Pharmacology and Verification by Cellular Experiments[J].Chinese Journal of Experimental Traditional Medical Formulae,2022,28(09):168-175. DOI: 10.13422/j.cnki.syfjx.20220937.
Mechanism of Sinitang against Myocardial Ischemia-reperfusion Injury: Prediction Based on Network Pharmacology and Verification by Cellular Experiments
To predict the mechanism of Sinitang in treating myocardial ischemia-reperfusion injury (MI/RI) based on network pharmacology and verify the prediction results by cellular experiments.
Method
2
The traditional Chinese medicine system pharmacology database and analysis platform (TCMSP) was employed for retrieval of the main components and potential targets of Sinitang. Online Mendelian Inheritance in Man (OMIM) and GeneCards were employed to obtain the targets of Sinitang in treating MI/RI. STRING was employed to construct the protein-protein interaction (PPI) network, and DAVID to perform gene ontology (GO) annotation and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway enrichment. Finally, cellular experiments were carried out to verify the predicted anti-MI/RI mechanism of Sinitang.
Result
2
A total of 105 active ingredients and 234 targets of Sinitang were screened out, among which 116 targets were predicted to be involved in the treatment of MI/RI. The GO annotation gave 587 entries, including 417 biological process entries, 101 cell component entries, and 69 molecular function entries. The KEGG analysis enriched 125 signaling pathways, involving vascular endothelial growth factor (VEGF), phosphoinositide 3-kinase/protein kinase B (PI3K/Akt), forkhead box transcription factor O (FoxO), hypoxia-inducible factor-1 (HIF-1) apoptosis and other signaling pathways. The results of cell viability assay showed that Sinitang increased the survival rate of H9C2 cells damaged by hypoxia/reoxygenation (H/R). Sinitang decreased the levels of tumor necrosis factor-
α
(TNF-
α
), interleukin-6 (IL-6), and creatine kinase-MB (CK-MB) in H9C2 cells damaged by H/R. The results of flow cytometry demonstrated that Sinitang decreased the apoptosis rate of H9C2 cells damaged by H/R. Western blot showed that Sinitang down-regulated the expression of Bcl-2 related X protein (Bax) and up-regulated that of B-cell lymphoma-2 (Bcl-2) in H/R-injured H9C2 cells.
Conclusion
2
Sinitang treats MI/RI in a multi-target and multi-pathway manner, which involves the signaling pathways associated with apoptosis.
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references
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