In contrast, METTL14 (Gu et al., 2019; Guimarães Teixeira et al., 2022), WTAP (Liu et al., 2021a), YTHDC1, YTHDF3, ZC3H13 (Deng et al., 2022) were reduced in bladder cancer samples. This evidence concerns the gene WTAP and urinary bladder cancer.