Cellularization of unablated and ablated hybrid scaffolds. (A)Unablated scaffold seeded with rMSCs at 100,000 cells/cm2, for 24 h Live (green)/Dead (red) stained. (B) Ablated scaffold seeded with rMSCs at 100,000 cells/cm2, for 24 h. (C) Actin cytoskeletal staining and DAPI nuclei staining showing cells conforming to ablated scaffolds. Scale bar: A & B: 250 μm, C: 100 μm.