Fig. 4

Induction of cell cycle arrests and cell death by the irradiation of X-ray or C-ion beams. A, B HeLa cells and spheroids were irradiated with 6 Gy of X-ray or 3 Gy of C-ion beams. After 24 h, harvested cells were stained with PI, and flow cytometry was performed. The numbers represent the percentages of each subset. C The percentage of HeLa cells in the sub G1 phase