Figure 1

Release of various GFs contained in PRP from various delivery systems. (A) The concentrations of GFs in PRP. Kinetics of release of (B) PDGF-BB, (C) VEGF, and (D) FGF2 from various delivery systems in vitro. Values represent the mean ± standard deviation (n = 3). ^*P < 0.05 compared to any group. ^#P < 0.001 compared to any group.