Fig. 4

CeO₂–MnO₂ combined with X-ray regulates mitochondrial damage, cell cycle and apoptosis. A Mitochondrial membrane potential in different concentration of CeO₂–MnO₂ and X-rays (4 Gy). B Quantitative analysis of the proportion of the JC-1 green ratio with or without radiation (4 Gy) under the same concentration of CeO₂–MnO₂ in HeLa cells. C Cell apoptosis analysis of HeLa cells exposed to 40 µg/mL CeO₂, MnO₂, and CeO₂–MnO₂ under different X-rays (4 Gy). D Cell-cycle quantitative analysis after different treatments was detected using PI staining