Figure 2

Apoptosis of ¹²⁵I irradiated SW-1990 cells. The red region in the lower left quadrant represents apoptosis detected by flow cytometry in the 0 Gy (A), 2 Gy (B), and 4 Gy (C) groups. The quantitation is shown in D. *P < 0.05 compared with the 0 Gy (Control) group. ^#P < 0.05 compared with the 2 Gy group.