YTHDF1 and pancreatic adenocarcinoma: Specifically, five m6A writers (METTL14, METTL16, KIAA1429, RBM15 and ZC3H13) were upregulated in PAAD, and seven m6A readers (YTHDF1, YTHDF2, YTHDF3, IGF2BP2, IGF2BP3, HNRNPA2B1 and HNRNPC) were highly expressed in PAAD.