Mechanism of Cremastrae Pseudobulbus-Rhapontici Radix Against Breast Cancer: An Exploration Based on Network Pharmacology and Experimental Verification
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Mechanism of Cremastrae Pseudobulbus-Rhapontici Radix Against Breast Cancer: An Exploration Based on Network Pharmacology and Experimental Verification
Chinese Journal of Experimental Traditional Medical FormulaeVol. 28, Issue 1, Pages: 65-71(2022)
WANG Bing,WANG Yue,ZHU Zhong-kang,et al.Mechanism of Cremastrae Pseudobulbus-Rhapontici Radix Against Breast Cancer: An Exploration Based on Network Pharmacology and Experimental Verification[J].Chinese Journal of Experimental Traditional Medical Formulae,2022,28(01):65-71.
WANG Bing,WANG Yue,ZHU Zhong-kang,et al.Mechanism of Cremastrae Pseudobulbus-Rhapontici Radix Against Breast Cancer: An Exploration Based on Network Pharmacology and Experimental Verification[J].Chinese Journal of Experimental Traditional Medical Formulae,2022,28(01):65-71. DOI: 10.13422/j.cnki.syfjx.20211518.
Mechanism of Cremastrae Pseudobulbus-Rhapontici Radix Against Breast Cancer: An Exploration Based on Network Pharmacology and Experimental Verification
To screen out the main targets and related signaling pathways of the herbal pair Cremastrae Pseudobulbus-Rhapontici Radix in treating breast cancer based on network pharmacology and verify their action mechanism in
in vitro
experiments.
Method
2
The main chemical components and related targets of Cremastrae Pseudobulbus-Rhapontici Radix were retrieved from the Traditional Chinese Medicine Systems Pharmacology Database and Analysis Platform (TCMSP), and the target genes related to breast cancer from GeneCards. Following the screening of the common targets of Cremastrae Pseudobulbus-Rhapontici Radix and breast cancer using Venn, the Cremastrae Pseudobulbus-Rhapontici Radix-breast cancer network and protein-protein interaction (PPI) network were constructed. The effective targets were then subjected to gene ontology (GO) and Kyoto encyclopedia of genes and genomes (KEGG) pathway enrichment analysis. The resulting outcomes were then verified by cell counting kit (CCK)-8 assay, flow cytometry, and Western blot.
Result
2
The screening yielded seven effective components and 61 targets of Cremastrae Pseudobulbus-Rhapontici Radix, among which 55 targets were involved in breast cancer. The GO analysis revealed 832 entries, which were mainly enriched in the biological processes. According to KEGG pathway enrichment analysis, 85 signaling pathways were obtained, including tumor suppressor p53, vascular endothelial growth factor (VEGF), epidermal growth factor receptor (EGFR), and phosphatidylinositol 3-kinase (PI3K)/protein kinase B(Akt). It was verified in
in vitro
experiments that the alcohol extract of Cremastrae Pseudobulbus-Rhapontici Radix inhibited the proliferation of human breast cancer MDA-MB-231 cells and induced their apoptosis. Compared with the blank control group and the dimethyl sulfoxide (DMSO, 0.1% solvent) group, the medication groups exhibited obviously decreased absorbance in MDA-MB-231 cells (
P
<
0.01) and increased apoptosis rate (
P
<
0.01). The results of Western blot demonstrated that compared with the blank control group and the DMSO group, each medication significantly reduced the phosphorylated (p)-PI3K/PI3K and p-Akt/Akt in cells (
P
<
0.05).
Conclusion
2
The ethanol extract of Cremastrae Pseudobulbus-Rhapontici Radix effectively inhibits the proliferation of human breast cancer MDA-MB-231 cells and induces their apoptosis, which may be related to the inhibition of the activation of PI3K/Akt signaling pathway.
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references
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