MALAT1 and hepatocellular carcinoma: The same results were obtained with TCGA data (Figure 1B).16 As shown in Figure 1C, 24 HCC tissues (80%) had upregulated (lgT/N > 0) MALAT1 expression, whereas only six HCC tissues had downregulated (lgT/N < 0) MALAT1 expression (P < .001).