Cells were fixed and stained according to published methods [17 (link)]. Treated cells were fixed and incubated with the following antibodies: anti-E-cadherin (R&D Systems, 1:500), anti-β-catenin (1:500, R&D Systems), anti-Zeb1 (1:200, Abcam), and F-actin (Cell Signaling). Following primary incubation, conjugation with FITC (Sigma Biochemicals), Cy3 (Sigma Biochemicals), or Alexa Fluor 594 (Invitrogen) secondary antibodies was then performed. The cells were imaged with a Zeiss Axiophot microscope. Images were merged and analyzed using NIH Image J software.
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