Following the publication of this paper, it was drawn to the Editor's attention by a concerned reader that certain of the cell migration and invasion images shown in Figs. 3B and D and 6C were strikingly similar to data that had already appeared in an article written by different authors at different research institutes [Liu C, Guan H, Wang Y, Chen M, Xu B, Zhang L, Lu K, Tao T and Zhang X: miR‐195 inhibits EMT by targeting FGF2 in prostate cancer cells. This evidence concerns the gene FGF2 and prostate cancer.