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. 2015 Dec 30;10(12):e0145995. doi: 10.1371/journal.pone.0145995

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© 2015 Okuyama et al

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.

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Fig 7 — (A) Survival curves in HeLa-Fucci cells treated with KPU-300 after irradiation. Cells were treated with 30 nM KPU-300 for 24 h immediately after irradiation, and then prepared for colony-forming assay. For normalization, the curve for combined treatment was shifted upward so as to obtain the surviving fraction 1 at 0 Gy. Data represent means ± S.E. of values obtained from three independent experiments. (B) Cell cycle kinetics after the same treatment described in Fig 7A. (a) Time course of DNA content with or without KPU-300 treatment after 2 Gy or 6 Gy irradiation. (b) Time course of two-dimensional flow-cytometric analysis to detect green fluorescence and an M-phase marker. The acquired time points are shown as hours:minutes in each image. (c) Quantitative analysis of green cells (left panel) and M-phase cells (right panel) after the same treatment described in Fig 7A. Data represent means ± S.E. of values obtained from three independent experiments. *, p < 0.05; **, p < 0.01 vs. lower values for the same time points.