Fig. 2

Metformin inhibited migration and invasion of bladder cancer cells. T24 cells were treated with metformin for 24 h, and the capacity of migration and invasion were assessed by wound healing assay (a) and transwell migration assays (b). Representative pictures of migration and invasion assays are shown in left panel and quantitative results are shown in right panels. The data presented are expressed as mean ± SD from 3 independent experiments. **, P < 0.01 when compared to control groups. Scale bars in the micrographs represent 100 μm