M2-like macrophages derived from THP-1 cells promote myofibroblast differentiation of synovial fibroblasts in association with the TGF-β1/SMAD2/3 signaling pathway

Abstract excerpt

Fibrosis occurs during progression of osteoarthritis (OA), and myofibroblasts are considered a key effector to drive the fibrotic response. Macrophages also play critical roles in OA progression. However, whether macrophage polarization is involved in OA-related fibrosis has not been adequately defined. Here, we investigated the effect of M2-like macrophages compared to M1-like macrophages on the myofibroblast...

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