OTUD4 and bladder transitional cell carcinoma: With the help of GEPIA (http://gepia.cancer-pku.cn/) analysis with PCC (Pearson correlation coefficient) value > 0.75, USP38, TMEM184C, OTUD4, SMAD1, SEC24B and SLC10A7 were screened out as similar genes with METTL14 in BLCA (bladder urothelial carcinoma; Fig 2A).