The expression difference of multiple m6A regulators, including GNL3, TRA2A, KIAA1429, CAPRIN1, YTHDF3, YTHDC2, METTL3, YYHDC1, YWHAG, HNRNPC, RBM27, RBM15, METTL14, ZCCHC4, PCIF1, ZC3H13, WTAP, YTHDF1, FTO, MSI2, YTHDF2, HNRNPD and ZC3H7B, was statistical significance between tumor samples and normal samples (Figure 1C). The gene discussed is PCIF1; the disease is neoplasm.