CDKN2B-AS1 and hepatocellular carcinoma: The duplicate [2]: “Huang M-d, Chen W-m, Qi F-z, Xia R, Sun M, Xu T-p, Yin L, Zhang E-b, De W, Shu Y-q Long non-coding RNA ANRIL is upregulated in hepatocellular carcinoma and regulates cell apoptosis by epigenetic silencing of KLF2.