Figure 2.
Compressive properties of superficial and middle cartilage explants at day 0 (d0) or following 12 days culture with IGF-1 or TGF-β1. (A) Equilibrium confined compression (CC) modulus, HA, (B) equilibrium unconfined compression (UCC) modulus, E, and Poisson’s ratios, (C) ν31, and (D) ν32 were measured at three compressive offset strains of 15, 30, and 45%. For each strain level and tissue layer, * indicates a culture group is different from d0 (p<0.05), and ◆ indicates d12 IGF-1 is different (p<0.05) from d12 TGF-β1. Mean ± SE; n=6–15.