H Knockdown of YTHDF1 but not YTHDF2 abolished the increase of FOXO3 protein level in METTL3-overexpressing Bel-7402 cells. Quantification of the protein optical density by Image J in H-1 and H-2. Data information: In all relevant panels, *p<0.05; **p<0.01; ***p<0.001; ****p<0.0001; Two-tailed t-test. Data are presented as mean ± SD and are representative of 3 independent experiments. 