Proteins were extracted from cell lines using RIPA Buffer (Thermo) according to the manufacturer's protocol. Protein extraction and western blot analysis with chemiluminescent detection were as described [50 (link)]. The following antibodies and dilution factors were used: FOXM1 rabbit polyclonal antibody (13147-1-AP, 1:800, Proteintech), cyclin B1 (CCNB1) rabbit polyclonal antibody (4138P, 1:800, Cell Signaling), anti-rabbit vimentin (5741, 1:100 Cell Signaling), anti-rabbit E-cadherin (3195, 1:200, Cell Signaling), mouse GAPDH monoclonal antibody (MA5-15738, 1:2000, Sigma), anti-rabbit IgG conjugated to horse radish peroxidase (7074S, 1:2000, Cell Signaling), and anti-mouse IgG (7076S, 1:2,000, Cell Signaling).
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