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  • Title: Molecular mechanism of Achyranthis bidentatae radix and Morindae officinalis radix in osteoporosis therapy: An investigation based on network pharmacology, molecular docking, and molecular dynamics simulations.
    Author: Wang J, Huang Y, Guo L, Li J, Zhou S.
    Journal: Biochem Biophys Rep; 2023 Dec; 36():101586. PubMed ID: 38076660.
    Abstract:
    OBJECTIVE: To investigate the targets and mechanism of Achyranthis bidentatae radix and Morindae officinalis radix (ABR-MOR) for the treatment of osteoporosis (OP) by utilizing network pharmacology, molecular docking technology (MDT) and molecular dynamics simulation (MDS). METHODS: The main drug active ingredients (DAIs) and target genes of ABR-MOR were screened by the TCMSP database. The relevant targets of OP were obtained from GeneCards, DisGeNET, and CTD databases. Venny mapping is used to determine the potential target of ABR-MOR in the treatment of OP. The potential targets were analyzed using a protein‒protein interaction network and the MCODE module, and were subjected to GO and KEGG enrichment analysis. The binding sites and conditions of potential key DAIs and core targets were verified through MDT and MDS. RESULT: The 32 DAIs and 212 targets of ABR-MOR were screened; 1453 OP-related targets were obtained, and 118 targets were mapped. The results of GO and KEGG enrichment analysis showed that the targets of DAIs-OP were mainly enriched in biological processes such as response to hormones, peptides, oxygen levels and reactive oxygen species, and positive regulation of cell migration. The main signaling pathways enriched in the regulation of the immune-inflammatory response, cell proliferation, senescence, apoptosis, angiogenesis, and estrogen signaling pathway. Additionally, the targets were also enriched in bone metabolism-related cell differentiation biological processes and the osteoclast differentiation signaling pathway. MDT and MDS results showed that wogonin, beta-sitosterol, and americanin A, the core DAIs of ABR-MOR, were able to form good ligand‒protein complexes with key targets such as PTGS2, PTGS1, PRKACA, PGR, MAPK1, AKT1, and RELA. CONCLUSION: This study preliminarily investigated the key targets, biological processes, and signaling pathways involved in the combined application of ABR and MOR for the treatment of OP. The results revealed that ABR-MOR may play a therapeutic role mainly by regulating immune-inflammatory responses, cellular biological processes, and osteoblast differentiation, which provides a theoretical basis for further experimental validation and a new strategy for the treatment of OP.
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