ArticleJournal of orthopaedic surgery and research2025
Cucurbitacin E inhibits M1 macrophage polarization and attenuates rheumatoid arthritis: a multi-omics analysis and experimental validation.
Article in Journal of orthopaedic surgery and research, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundRheumatoid arthritis (RA) is a chronic autoimmune disease marked by joint inflammation and destruction. Current treatments often have side effects and resistance. Cucurbitacin E (CuE), a natural compound with anti-inflammatory properties, shows therapeutic potential but its role in RA is unclear. This study explores CuE's mechanisms in RA, focusing on M1 macrophage polarization.
methodsWe used a multi-omics approach, integrating transcriptomics, single-cell sequencing, and network pharmacology. Key steps included immune infiltration analysis, WGCNA, machine learning-based biomarker discovery, and flow cytometry validation. Pseudotime trajectory and cell communication analyses were also employed.
resultsImmune infiltration analysis revealed increased M1 macrophage infiltration in RA patients. WGCNA identified gene modules related to macrophage polarization. Machine learning identified five key biomarkers (CCR2, NFKB1, NT5E, PIK3R1, TYRO3). A diagnostic model based on these biomarkers achieved high accuracy (AUC = 0.94). Pseudotime and cell communication analyses suggested CuE may regulate M1 polarization and signaling networks. Flow cytometry showed high CuE concentrations inhibited M1 macrophage polarization.
conclusionCuE inhibits M1 macrophage polarization and related pathways, offering a promising RA treatment strategy. The identified biomarkers may serve as diagnostic and therapeutic targets. Future research should validate CuE's clinical effects.
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