In Vitro: AUZ 454 (K03861) (10-20 μM; 1, 2, 3, and 4 days) has a inhibitory effect on Caki-1 and ACHN cells with WTAP overexpression by CCK8 assays. AUZ 454 (K03861) (10 μM; 24 hours) decreases the colony fold in Caki-1 and ACHN cells through a CDK2-dependent mechanism.