Fig. 8
![Fig. 8](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs12885-018-4514-3/MediaObjects/12885_2018_4514_Fig8_HTML.png)
Seventy-two hours after 12 Gy irradiation, immunocytochemistry revealed both active forms of caspase-3 and phosphorylated gamma H2AX were decreased in SNU-503R80Gy cells whereas SNU-503 and SNU-503R80Gy NDRG1 cells strongly expressed both active forms of caspase-3 and phosphorylated gamma H2AX