Figure 4.
Effects on colony formation of different CRC cell lines by treatment of compound ID-11. (A) SW620 cells. (B) SW480 cells. Cells after treating with ID-11 (0, 4, 8, 16, and 32 μM) for 24 h, continue to cultivate with fresh culture medium for 10 days and then fixed, stained, air-dried and photographed.