KCNQ1OT1, an miR-504 sponge that targets CDK16 (cyclin‐dependent kinase 16) in HCC and CCNE2 (cyclin E2), and a miR-370 sponge, in glioma can also act as an ceRNA via neutralizing miR-9. This evidence concerns the gene CCNE2 and hepatocellular carcinoma.