Fig. 5.

Redifferentiation capacity of expanded chondrocytes was quantitatively assessed at the protein level using biochemical analysis after chondrocyte-pellets were incubated in a TGF-β1-containing medium for 14 days. DNA data were represented by DNA ratio adjusted by DNA amount at day 0. Ratio of GAG to DNA was used as a chondrogenic index. Data are shown as average ± SD for n = 5. Groups not connected by the same letter are significantly different (p<0.05).