Exosomes from Kartogenin-Pretreated Infrapatellar Fat Pad Mesenchymal Stem Cells Enhance Chondrocyte Anabolism and Articular Cartilage Regeneration

Figure 6

In vivo cartilage repair at 4 and 12 weeks after surgery. (a) The gross appearance, Saf-O/Fast Green and HE staining at 4 weeks. (b) The gross appearance, Saf-O/Fast Green and HE staining at 12 weeks. (c) The ICRS and histological scores at 12 weeks.

(a)

(b)

(c)