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Mechanism of Polygonati Rhizoma on Treating Osteoporosis Based on Network Pharmacology and Preliminary Verification / 中国实验方剂学杂志
Chinese Journal of Experimental Traditional Medical Formulae ; (24): 210-217, 2022.
Article in Chinese | WPRIM | ID: wpr-940711
ABSTRACT
ObjectiveTo explore the potential mechanism of Polygonati Rhizoma on the treatment of osteoporosis (OP) based on network pharmacology and molecular docking method and to verify the mechanism by experiments. MethodThe main active ingredients and corresponding targets of Polygonati Rhizoma were screened out from Traditional Chinese Medicine Systems Pharmacology Database and Analysis Platform (TCMSP) 2.3 by conditional searching. The treatment targets were obtained from the genes related to OP and DisGeNET 7.0. The potential target genes of Polygonati Rhizoma for treating OP were obtained by the crossing of the corresponding targets and the treatment targets. Cytoscape 3.7.1 was used to construct the “Polygonati Rhizoma-active ingredient-potential target” network. The protein-protein interaction (PPI) analysis was carried out by STRING 11.0, and the PPI network was constructed. Metascape 3.5 was used to conduct Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) enrichment analyses of the key targets. The core ingredients and key targets of Polygonati Rhizoma were selected for molecular docking by AutoDock Vina 1.1.2. Finally, the effect of β-sitosterol on osteogenic differentiation of MC3T3-E1 cells in rats was observed. ResultTwelve active ingredients and 32 potential targets of Polygonati Rhizoma for OP treatment were screened out. Six active ingredients including baicalein and β-sitosterol and key targets including protein kinase 1 (Akt1), tumor suppressor p53 (TP53), vascular endothelial growth factorA (VEGFA), proto-oncogene Jun (JUN), matrix metalloproteinase-9MMP-9), and proto-oncogene c-Fos (FOS) were obtained by Cytoscape 3.7.1 topological analysis. A total of 995 GO entries and 181 signaling pathways involving the response to reactive oxygen species and regulations of growth were obtained from GO and KEGG enrichment analyses. The results of molecular docking showed that the core active ingredients possessed good binding activities with the respective key targets. The results of cell experiments showed that β-sitosterol promoted the osteogenic differentiation at the concentration of 2.5 μmol·L-1 and 5 μmol·L-1. ConclusionPolygonati Rhizoma had the therapeutic effect on treating OP by regulating inflammationoxidative stressapoptosis, and metabolism. The β-sitosterol significantly promoted the osteogenic differentiation of MC3T3-E1 cells.

Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Experimental Traditional Medical Formulae Year: 2022 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Experimental Traditional Medical Formulae Year: 2022 Type: Article