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. 2019 Jan 20;20(2):436. doi: 10.3390/ijms20020436

Figure 1.

Figure 1

Average optical density of hypoxia-inducible factor (HIF)-1α-positive bands in Western blots of protein extracts from MDA-MB-468 cells normalized to total protein of the conditions as indicated. Compared to the control conditions (i.e., in 1 g in-flight condition before the first parabola) HIF-1α expression after the 1st parabola was significantly (* = p < 0.05) about 40% lower and stayed this low until the last (15th) parabola although there was a slight trend to a recovery of the HIF-1α expression (p = 0.075 vs. control).