Cellular Redox Status Regulates Emodin-Induced Radiosensitization of Nasopharyngeal Carcinoma Cells In Vitro and In Vivo

Figure 1

Effect of colonies formation on emodin in CNE-1 cells. Cell colonies morphological changes under inverted microscope (×50), fixed with paraformaldehyde 4% and stained with Giemsa. (a) Hypoxia group, (b) hypoxia + 2 Gy, (c) emodin (7.8 μg/mL) + hypoxia + 2 Gy, and (d) emodin (3.9 μg/mL) + hypoxia + 2 Gy.

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