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The anti-EMT effect of MSCs on HK-2 cells was blocked by the down-regulation of HGF. The expression of HGF, TGF-β1 and α-SMA were assessed by western blot analysis (a). The influence of TGF-β1 and MSCs on the morphological change of HK-2 cells (b). Western blot assay for E-cadherin, N-cadherin and fibronectin expressions in HK-2 cells. *Significant difference (P<0.05) and **Significant difference (P<0.01) (C). Scale bars = 100 μm
