Methods for Western blotting was described elsewhere16 (link). Polyclonal rabbit antibody for Fli-1 were obtained from Abcam (Abcam, Cambridge, UK); ERK and phospho-ERK from Cell Signalling Technology (CST, Danvers, MA01923), β-actin, β-Tubulin, BCL-2 from Proto-Technology (Protein-Tech, Bucuresti, Romania) and goat-anti-mouse, and goat anti-rabbit HRP-conjugated (Promega). Antibody dilution was according to the manufacturer instructions. Imaging of proteins was performed using Oddessy system (Li-Cor biosciences, Lincoln, USA). In experiments described in Fig. 7a, we used ECL detection system for western blotting, as described9 (link).
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