Research Article

Mechanical Stretch Promotes the Osteogenic Differentiation of Bone Mesenchymal Stem Cells Induced by Erythropoietin

Figure 4

Flow cytometry was used to analyze the distribution of the cell cycles. There was a significantly high S-G2/M phase population with percentages of in the experimental cells (strains combined with 20 IU/ml EPO) compared to the other groups of cells with percentages of , , and (3B). and compared with the control group.