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. 2021 Feb 4;12(2):152. doi: 10.1038/s41419-021-03434-z

Fig. 7. Tan IIA overcomes radioresistance in OSCC cells.

Fig. 7

A IB analysis of the protein level of Aurora B and p-H3 in CAL27/CAL27-IR and SCC25/SCC25-IR cells. B The effect of irradiation (IR) on cell viability of CAL27/CAL27-IR cells. CAL27 and CAL27-IR cells were treated with 4 Gy IR, cell viability was examined 72 h later by MTS assay; ***p < 0.001. C The effect of IR on colony formation of CAL27/CAL27-IR cells. CAL27 and CAL27-IR cells were treated with 4 Gy IR, colony number was examined 2 weeks later; ***p < 0.001. D IB analysis of the protein level of Aurora B and p-H3 in CAL27-IR cells treated with Tan IIA (2 μM), IR (4 Gy), or a Tan IIA/IR combination. E and F The cell viability (E) and colony formation (F) of CAL27-IR cells treated with Tan IIA (2 μM), IR (4 Gy), or a Tan IIA/IR combination; ***p < 0.001. G and H Immunofluorescence (G) or IB (H) analysis of γH2AX in CAL27-IR cells treated with Tan IIA (2 μM), IR (4 Gy), or a Tan IIA/IR combination. Scale bar, 5 μm; ***p < 0.001. I IB analysis of apoptosis in CAL27-IR cells treated with Tan IIA (2 μM), IR (4 Gy), or a Tan IIA/IR combination. J In vivo tumorigenesis of CAL27 cells treated with vehicle control, Tan IIA, IR, or a Tan IIA/IR combination; ***p < 0.001. K In vivo tumorigenesis of CAL27-IR cells treated with vehicle control, Tan IIA, IR, or a Tan IIA/IR combination; ***p < 0.001; ns, not statistically significant.