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RA reduces glioma cell migration. (A) Images of U251 cells immediately after, and at 24 and 48 h post-scratch with the indicated RA concentrations. Scale bar, 200 µm. (B and C) Quantification the wound healing of A. (D) Images of U343 cells immediately after, and at 24 and 48 h post-scratch with the indicated RA concentrations. Scale bar, 200 µm. (E and F) Quantification the wound healing of D. *P<0.05, **P<0.01 and ***P<0.001 vs. the DMSO group. RA, rosmarinic acid.
