LINC-ROR and hepatocellular carcinoma: To explore the biological significance of linc-ROR in HCC, HepG2 or SMMC-7721 cells were stably transfected with linc-ROR overexpression plasmid or control vector respectively and HCCLM3 or MHCC97-H cells were stably transfected with shROR or shCtrl plasmid, respectively.