The above article in Cancer Science (doi: ), published online on 20 May 2014 in Wiley Online Library (), has been retracted by agreement between the authors, the journal Editor in Chief, Yusuke Nakamura, and Wiley Publishing Asia Pty Ltd. The retraction has been agreed as Panels C, GLA 5, GLA 10 and GLA 20 shown in Figure 2 (Migration assay) all appear to have been taken from the same image, while Panels 1:Con, 2:GLA, 3:GLA + Anti-con and 4:GLA + Anti-miR-200c shown in Figure 7 (Migration assay) also appear to have been taken from the same image. Reference Ye X, Jiang F, Li Y, Mu J, Si L, Wang X, Ning S, Li Z. Glabridin attenuates the migratory and invasive capacity of breast cancer cells by activating microRNA-200c. Cancer Sci 2014; 105: 875-82. doi: