KDM4A and liver cancer: To investigate whether JMJD2A promoted malignant growth of human liver cancer cell line Hep3B, we first screened two stable Hep3B cell lines transfectd with pCMV6-AC-GFP(GFP ctrl), pCMV6-AC-GFP-JMJD2A(JMJD2A) respectively.