VCaP and C4-2 cells were treated with GSK-126, DZNep (5 µM for VCaP and 10 µM for C4-2), and EZH2 ASO, followed by western blots with indicated antibodies (C) Data shown as means±SD (n=6). Statistical significance was determined by two-tailed Student's t-test. *** P < 0.001. 