LINC00668 and hepatocellular carcinoma: However, LINC00668 expression in different HCC cell lines were inequitable, and this might be attributed to the malignancies of these cell lines since SNU-387 cells were from primary hepatic carcinoma), MHCC-97H cells were from high metastatic liver cancer, HepG2 cells were extracted from liver cancer tissue in a 15-year-old white teenage and Huh7 cells were highly differentiated HCC cells which has low malignancy.