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. 2021 Jul 2;12:663978. doi: 10.3389/fphys.2021.663978

FIGURE 2.

FIGURE 2

MMP-3 participates in the progression of OA. MMP-3 can promote the progression of OA both in preclinical and clinical stage. To be precisely, MMP-3 can facilitate the inflammatory cells accumulation, promote vascular invasion, degrade cartilage matrix, promote osteoclast differentiation, and inhibit mesenchymal stem cells differentiation.