Fig. 2From: M2 macrophagy-derived exosomal miRNA-26a-5p induces osteogenic differentiation of bone mesenchymal stem cellsOsteogenic differentiation of BMSCs from bone marrow. A Alcian blue staining. B Oil Red staining. C BMSCs vitality. D ALP viability. E–H The proteins expression of SOX, MMP13, and Aggrecan. * means p ≤ 0.05, ** means p ≤ 0.01, *** and **** means p ≤ 0.0001Back to article page