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The expression of Hif-1α at 7 days after hypoxic induction. Representative western blots (a) and immunofluorescence staining (b) of Hif-1α (red) and DAPI-labeled nuclei (blue) and quantification data of immunofluorescence staining (c) under normoxia and hypoxia condition in BMSCs. Scale bar = 50 μm; Magnification: ×400. Data were shown as mean ± SD. ★p < 0.05; ★★p < 0.01, vs. the normoxia condition.
