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HuR-HUVECs shows increased proangiogenic activities in vitro. (a) CCK-8 cell proliferation assay. (b) scratch wound cell migration assay. Scale bar = 100 μm. (c) quantitative analysis of residual fractional area of the scratch wound. (d) matrigel tube formation assay. scale bar = 200 μm. (e) quantitative analysis of total tube length. *, P < 0.05. **, P < 0.01
