SMUG1 and posterior cortical atrophy: DNMT3A, DNMT3B, MBD3, UHRF1, TDG, NTHL1, SMUG1, and TET3 showed higher expression and MBD1, ZBTB38, ZBTB4, UHRF2, MECP2, and TDG showed lower expression in PCa samples than in normal prostate samples (Wilcoxon test: P < 0.05), as shown in Figure 1(b).