Western blot analysis was performed as standard procedures previously described [41 (link)]. The following primary antibodies directed against the antigens were used: CDH1 (1:1000, mouse monoclonal, Cell Signaling, Danvers, MA, USA), fibrillarin (1:2000, rabbit monoclonal, Cell Signaling), β-catenin (1:2000, rabbit monoclonal, Cell Signaling), Notch-1 (1:1000, rabbit polyclonal, Santa Cruz Biotechnology), p-Akt-T308 (1:1000, rabbit monoclonal, Cell Signaling), total-Akt (1:2000, mouse monoclonal, Cell Signaling), glyceraldehyde-3-phosphate dehydrogenase (GAPDH, 1:5000, Vazyme). GAPDH was used as the loading control in the Western blots.
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