Abstract
The study aimed to explore the potential of QiangJin mixture (QJM), a Chinese herbal compound prescription, in regulating MC3T3-E1 cell differentiation and to analyze the ingredients and therapeutic targets of QJM against osteoporosis based on network pharmacology. MC3T3-E1 cells were incubated with different concentrations of QJM-contained rat serum (5, 10, or 20%). After 14days of cell culture, Alizarin Red staining was performed to assess the mineralization ability of osteoblasts. RT-qPCR was used to measure mRNA levels of osteogenesis-related genes. Western blot was conducted to measure protein levels of factors related to the BMP2/Smads pathway. Functional and pathway enrichment of overlapping targets for QJM and osteoporosis were analyzed using gene ontology and KEGG analyses. As shown by experimental results,QJM-contained serumled to calcium deposition, increased expression levels of osteogenesis-related genes, and activated BMP2/Smad/Runx2 signaling in MC3T3-E1 cells. A total of 125 active compounds and 162 disease-related targets were identified. The core targets were MAPK8, TP53, ESR1, STAT3, MAPK3, IL6, NFKB1, JUN, MAPK1 and AKT1. In conclusion,QJM promotes the osteogenic differentiation of MC3T3-E1 cells by activating the BMP2/Smads signaling. Additionally, QJM is an anti-osteoporotic mixture by regulating diverse therapeutic targets and signaling pathways.
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