METTL14 and pachyonychia congenita: To identify the function of METTL14 in tumor proliferation, we knocked down METTL14 in PC cell lines (BxPC-3 and SW1990) and HPDE6-C7 cell using shRNAs (shMETTL14-09, shMETTL14-10, and shMETTL14-11).