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. 2015 Dec 15;26(25):4607–4617. doi: 10.1091/mbc.E15-03-0181

FIGURE 5:

FIGURE 5:

The apoptosis pathway is not involved in radiation-induced MC. (A) Effect of a caspase inhibitor on radiation-induced MC. WT MEFs were x-irradiated at 10 Gy in the presence of pan-caspase inhibitor Z-VAD-FMK at 0 (black), 5 (white), or 20 (gray) μM. After 24 h of incubation, MC was scored as described in Materials and Methods. Data are expressed as means ± SD of three experiments. n.s., not significant. (B) Cytosolic release of mitochondrial proteins after x-irradiation. After x-irradiation at 10 Gy, WT MEFs were incubated for the indicated times. Cytosol and organelle fractions were collected, and subcellular distribution of cytochrome c (cyt c) and Smac was analyzed by Western blotting. Treatment with etoposide (Eto; 50 μM, 8 h) was used as positive control. GAPDH and VDAC were loading controls for the cytosol and organelle fraction, respectively. Representative blots of three experiments.