Western blot was conducted as previously described (38 (link)) with the primary antibodies: for NF90, ab131004, 1:2,000, Abcam; for EZH2, #07-689, 1:2,000, Millipore; for NRAS, ab154291, 1:1,000, Abcam; for GAPDH, ab8245, 1:5,000, Abcam; for phospho-MEK1/2, #9154, 1:1,000, Cell Signaling Technology; for MEK1/2, #8727, 1:1,000, Cell Signaling Technology; for phospho-ERK1/2, #4370, 1:2,000, Cell Signaling Technology; for ERK1/2, #4695, 1:1,000, Cell Signaling Technology.
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