Figure 1.

Aspirin inhibited the growth of MSCs. A. Mesenchymal stem cells (MSCs) were incubated with various concentrations of aspirin (0-5 mM) for the indicated time periods, followed by Cell Counting Kit-8 (CCK-8) assay analysis. B. MSCs were incubated with aspirin (0, 1, and 2.5 mM) for 14 days and cell colonies were stained with crystal violet. Cell colonies with a diameter larger than 50 µm were counted using ImageJ software. All experiments were performed three times. *P < 0.05 vs. control.