Figure 2

Relative cell number. Cell number at day 7 and 14 after culture in maintenance medium (MM) or different osteogenic media (OM1, OM2 or OM3) based on FBS, HS or RegES. Results are expressed as mean + SD. All results were standardized to the control condition (FBS MM at day 1). (A) (P <0.05) relative to HS MM; (B) (P <0.05) relative to HS MM and OM1; (C) (P <0.05) relative to RegES MM and OM1; (D) (P <0.05) relative to RegES OM1, OM2 and OM3, as well as HS MM and FBS MM. FBS, fetal bovine serum; HS, human serum; MM, maintenance medium; OM, osteogenic medium; SD, standard deviation.