LINC01703 and hepatocellular carcinoma: To choose the HCC cell lines used for loss-of-function assays, we detected the lncPARP1 expression in seven different HCC cell lines, including Bel-7402, SMMC-7721, MHCC-97h, HepG2, Huh7, PLC/PRF/5, and SK-Hep-1 cells.