Seven aberrantly expressed lncRNAs were observed including two up-regulated (Kcnq1ot1, PRINS) and five repressed (21A, SNHG4, BACE1AS (family), UCA1, Tmevpg1) lncRNAs in HCC cases with poor survival (Supplementary Table S2). This evidence concerns the gene SNHG4 and hepatocellular carcinoma.