Synergistic Effects of FGF-18 and TGF-β3 on the Chondrogenesis of Human Adipose-Derived Mesenchymal Stem Cells in the Pellet Culture

Figure 4

Histological appearance of hMSC pellets: (a) H&E staining; (b) Alcian blue staining; (c) Sirius red staining. Images are from representative cell cultures at 200 times magnification. Bar, 100 μm.