MALAT1 and hepatocellular carcinoma: MALAT1 acts as an miRNA sponge binding to miR-1271-5p (Figure 1), miR-181a-5p and miR-509-5p in MM, to miR-195 in HCC or to miR-206 and miR-363-3p in gallbladder cancer [63,65,66,67,68].