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H19 induces MCF-7/tamoxifen-resistant cell migration and invasion. Cells were transfected with H19-epv or siRNAH19 for 24 h. Cell (A) migration (magnification, ×40) and (B) invasion (Magnification, ×200) were assessed by performing wound healing and Transwell invasion assays, respectively. **P<0.05 vs. siRNAH19-NC, ##P<0.01 vs. H19-epv-NC. NC, negative control; epv, expression vector; siRNA, small interfering RNA.
