Fig. 3

DNA synthesis in PRP-treated hASCs. Cells were incubated with PRP (1%) or PDGF-BB (10 ng/ml) in serum-free DMEM for 48 h. DNA synthesis measured by incorporation of BrdU. a Effect of PRP on DNA synthesis in hASCs (n = 7). b Effects of growth factors on stimulation of DNA synthesis in hASCs (n = 6). *P < 0.01. BrdU 5-bromo-2′-deoxyuridine, PRP platelet-rich plasma, PDGF platelet-derived growth factor, IGF insulin-like growth factor, EGF epidermal growth factor