YTHDF2 and hepatocellular carcinoma: Next, the following evidence confirmed that STUB1 promotes ubiquitination and degradation of YTHDF2 in HCC: first, the knockdown of STUB1 did not affect the transcription level of YTHDF2, but prolonged its half‐life, upregulated its protein level, and inhibited its ubiquitination level in HCC cells.