Figure 1
From: Evaluation of the fullerene compound DF-1 as a radiation protector
The effects of DF-1 on cellular radiosensitivity. Cell lines MRC5, DU145, and MiaPaCa-2 were exposed to DF-1 (100 μM and 10 μM) or vehicle control immediately prior to irradiation with graded doses of X-rays. Colony-forming efficiency was determined 10 to 14 days later and survival curves generated after normalizing for toxicity of DF-1 alone. The data represent the mean of three independent experiments. PE, plating efficiency with DF-1; DMF, dose modifying factor. Points, mean; bars, ± SE.