Figure 5

OCN (a) and BMP-2 (b) gene expression. Gene expression is shown for monocultures and cocultures on TCPs and PA-RGDS at days 7, 14, and 21 post cell-seeding, as expressed as fold ratios relative to gene expression of hMSC monocultures on TCPs at day 7. Data are normalized to GAPDH gene expression (**p < 0.05 and ***p < 0.005).