Figure 3

SchB promotes BMP2-SMADs protein expression in MC3T3-E1 subclone 14 cells. (A,B) Protein expression of BMP2; (C,D) Protein expression of SMAD1; (E,F) Protein expression of SMAD4; (G,H) Protein expression of SMAD5; (I,J) Protein expression of SMAD9; (K,L) Protein expression of RUNX2.