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Effect of paclitaxel and gemcitabine on the expression of HIF-1α induced by DFX. A549 cells treated with deferoxamine (DFX) (100 μM) were incubated in the presence of 1 μM paclitaxel (PTX) or 1 μM gemcitabine for 24 h. HIF-1α was detected by immunoblotting with anti-HIF-1α antibody. Blotting of α-tubulin was used as a loading control.
