Assays for Western blot, cell viability by MTS(3-(4,5-dimethylthiazol-2-yl)-5-(3-carboxymethoxyphenyl)-2-(4-sulfophenyl)-2H-tetrazolium, Inner Salt), anchorage-independent growth, and invasion were performed as described previously [47 (link),48 (link)]. Detailed descriptions are accessible in the Supplementary Materials and Methods. The following antibodies were used in Western blot: anti-SOX1 (R&D Systems, Minneapolis, MN, USA), anti-HES1 (Cell Signal, Danvers, MA, USA).
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