Aim To investigate the effect of Aloe emodin(AE) on metastasis-associated abilities of human high metastatic breast cancer MDA-MB-231 cells in vitro.Methods MTT assay was used to evaluate the cell viability of MDA-MB-231 cells after 6h AE treatment.The effect of AE on the invasion and migration of MDA-MB-231 cells was determined by transwell chamber assay.RT-PCR,Western blot were applied to detect the expression levels of FAK mRNA and protein in MDA-MB-231 cells.The secretion of matrix metalloproteinase-9(M...