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Tβ4 knockdown suppresses the EMT process. (A and B) Downregulated Tβ4 inhibited TGF-β1-induced EMT in HepG2 cells. Tβ4, thymosin β4; siRNA, small interfering RNA; TGF-β1, transforming growth factor β1; E-cadherin, epithelial cadherin; N-cadherin, neural cadherin; GAPDH, glyceralde-hyde 3-phosphate dehydrogenase; SMA, smooth muscle actin.
