Figure 2
Rg1’s Effect upon the Cell Cycle Phase Distribution of BMSCs in Aged Rats. The BMSCs were collected on day 5 of passage 3. Cell cycle phase distribution was measured by flow cytometry with ≥5 × 105 cells tested for each sample. a: comparison with the control group (p < 0.05); b: comparison with the D-gal-administration group (p < 0.05).