Figure 6. The effects of Phoenixin 20 in osteoblast differentiation is mediated by p38. Cells were cultured in osteogenic medium containing phoenixin 20 (15 nM) with or without SB203580 (10μM) for 14 days. (A) Protein of RUNX-2; (B) Alizarin Red S staining; (C) ALP activity (*, #, P<0.01, n=4).