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Targeting STAT3 and/or mTOR promotes cellular apoptosis in Bel-7402 cells. Cells were treated as indicated, fixed with 4% paraformaldehyde for 30 minutes. Following further PBS wash, cells were incubated in 100-μL Hoechst33258 solution for 10 minutes in the dark at 37°C, and imaged under inverted fluorescence microscope (× 400), with representative image from each group presented.
