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Quantified protein expression of HIF-1α of 12 hr samples for (A) U87 and (B) U87vIII GBM cells. Immunofluorescence staining of U87 cells cultured in GelMA hydrogel for 24 hours. ^ significant (p < 0.05) between +/− hypoxia; * significant (p < 0.05) between +/− HAMA.
