Additional file 3: of Advancing osteochondral tissue engineering: bone morphogenetic protein, transforming growth factor, and fibroblast growth factor signaling drive ordered differentiation of periosteal cells resulting in stable cartilage and bone formation in vivo

Figure S2. Gene expression analysis of chondrogenesis in CTRL, TIs, TGF-β1 aggregates, and hACs after 28 days in culture. Results are representative of two independent experiments, each experiment was performed in triplicate. error bars are max/min; *P < 0.05, **P < 0.01, ***P < 0.001. (TIFF 240 kb