Abstract
This study attempted to explore the molecular mechanism of Epimedium herb (EH) on rheumatoid arthritis (RA) treatment. We employed network pharmacology, molecular docking, and HPLC analysis to investigate the molecular mechanisms underlying the efficacy of EH in treating RA. To assess the efficacy of EH intervention, RA fibroblast-like synoviocytes (RA-FLS) and collagen-induced arthritis (CIA) mouse models were utilized. Ultimately, the active compounds icariin, luteolin, quercetin, and kaempferol were identified, with interleukin-1β (IL-1β), IL-6, tumor necrosis factor-alpha (TNF-α), and matrix metalloproteinase-9 (MMP-9) emerging as key targets of EH for RA. These targets were found to be downregulated in both in vitro and in vivo experiments following EH intervention. Furthermore, EH treatment induced apoptosis, reduced metastasis and invasion in RA-FLS, and ameliorated arthritis-related symptoms while regulating Th17 and Treg cells in CIA mice.
Published Version
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