Western blot analysis was conducted as previously described [24 (link)]. The following primary immunoblotting antibodies were used: anti-GAPDH, anti-E-cadherin, anti-Fibronectin, anti-Vimentin, anti-Snail, and anti-c-Met (Epitomics, Burlingame, CA, USA), anti-β-catenin (Proteintech, Chicago, USA), anti-N-cadherin, anti-c-myc, anti-EGFR, anti-p-EGFR (Tyr1068), anti-GSK3β, anti-p-GSK3β (Ser9), anti-AKT (pan), anti-p-AKT (Ser473), anti-stat3, anti-p-stat3 (Tyr705) and anti-CREB1 (Cell Signaling Technology, Beverly, MA).
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