KMT2E-AS1 and hepatocellular carcinoma: To identify the function of LINC01004 in HCC, siRNAs was used to decline the expression of LINC01004. As shown in Fig. 5A, LINC01004 expression levels was extremely significantly inhibited after the transfection of siRNAs in HepG2 and SK-Hep-1 cells.