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(a) MDA-MB-231 migration measured as gap closure in 8 h in a scratch assay (* p = 0.0428, n = 2); (b) effect of NT4 on CDC42 activation (n = 2; * p = 0.0196 and * p = 0.0132); (c) effect of NT4 on RhoA activation (n = 3; ** p = 0.0043, **** p < 0.0001, and ** p = 0.0020).
