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Comparison of the scratch area in the presence of ALA, AUR, and the ALA/AUR combination. Images of the wound area closure in U87 cells treated with 0.05 mM AUR, 3.125 mM ALA, or the AUR (0.05 mM)/ALA (3.125 mM) combination for 0, 24, and 48 h. Data are presented as the mean ± SD. ∗∗∗∗p value <0.0001 compared to the control group.
