Total cell lysates were collected as preciously described [38 (link)]. The lysates were then incubated overnight at 4 °C with the primary antibodies and then with the secondary antibodies for 1 h at room temperature. Antibodies used were as follows: anti-CAIX (#5649, Cell Signaling), anti-p-ERK (#4370, Cell Signaling), anti-ERK (#9102, Cell Signaling), anti-E-cadherin (610182, BD), anti-vimentin (sc-6260, Santa Cruz), anti-PFKFB4 (GTX 107755, GeneTex), anti-p-MEK (#9121, Cell Signaling), anti-p-C-Raf (#9427, Cell Signaling), anti-C-Raf (#9422, Cell Signaling), and anti-actin (ab8226, Abcam).
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