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Effect of miR-202 expression on the migratory ability of esophageal squamous cell carcinoma EC9706 cell lines was investigated using an in vitro scratch assay. Cell monolayers were scratched and cultured in RPMI-1640 medium with 10% fetal bovine serum for 24 h. Scratched areas of (A) negative control, (B) normal EC9706 cells and (C) EC9706 cells transfected with miR-202 mimics were visualized using an inverted microscope at 0 and 24 h post-scratch (magnification, ×10).
