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. Author manuscript; available in PMC: 2014 Nov 1.
Published in final edited form as: Int J Radiat Oncol Biol Phys. 2013 Nov 1;87(3):619–625. doi: 10.1016/j.ijrobp.2013.06.2063

Figure 1. Radiation induces dose- and duration-dependent late ROS accumulation.

Figure 1

Control and 8 Gy irradiated NHFs were analyzed for (A) Cell doubling time, (B) percentage of G2 cells, and RFI of DHE oxidation in absence (C) and presence (D) of PEG-SOD and PEG-CAT (100 U/mL); inset shows representative histograms. Error bars represent standard deviation of the mean. Asterisks represent statistical significance relative to unirradiated cells; $ represents statistical significance relative to untreated, irradiated cells; p<0.05 as determined by a one-tailed students t-test; n=3.