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VEGF expression in HUVECs and hMSCs cultured on DFO conjugated-scaffolds. VEGF expression in HUVECs (A) and hMSCs (B) was measured after the cells were cultured on GF and GF-DFO scaffolds for 24 h (n = 3). Data are expressed as mean ± SD (*p < 0.05; ***p < 0.001).
