ALKBH5 and hepatocellular carcinoma: In the 10 HCC datasets, most m6A regulators showed no significant difference between the two groups (Supplementary Figure 7B), but 1 m6A writer (WTAP), 1 m6A eraser (ALKBH5), and 1 m6A reader (YTHDF2) significantly increased in the high hypoxia score groups of 4 or more datasets.