HNRNPK and gastric cancer: LncRNA SDCBP2-AS1 binds to hnRNP K to repress its SUMOylation, which facilitates the ubiquitination of hnRNP K and β-catenin, thereby promoting the degradation of β-catenin and suppressing tumorigenesis and metastasis in gastric cancer (Han et al., 2022).