Research Article

Effect of Increasing Doses of γ-Radiation on Bone Marrow Stromal Cells Grown on Smooth and Rough Titanium Surfaces

Figure 8

The effect of radiation on adipogenesis of BMSCs on PT and SLA surfaces. Oil-red-O was used to stain lipid droplets of BMSCs after adipogenic induction for 10 days. More positive cells were seen on PT surfaces than on SLA surfaces under the same dose of radiation. However, 2 Gy radiation increased the number of positive cells on both surfaces; 4 Gy and 8 Gy decreased it. Red color indicated the positive cells.