Western blotting was performed as described previously [38 (link)]. Cell lysates were subjected to SDS–polyacrylamide gel and immunoblot analysis with antibodies against the following proteins: KRAS and HMGA2 (GeneTex); Vimentin (R & D); Cyclin D1 (Millipore); LOX (Abcam); p-FAK (Invitrogen); E-Cadherin, N-Cadherin and b-catenin (BD); MTA1, STAT3, ERK, p-ERK, MEK and p-MEK (Cell Signaling); b-actin (Sigma Aldrich).
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