DSCAM and hepatocellular carcinoma: Down Syndrome Cell Adhesion Molecule (DSCAM) antisense (DSCAM-AS1), (DSCAM-AS1), a novel lncRNA, has been reported to be upregulated and function as oncogenic lncRNA in hepatocellular carcinoma [10], non-small lung cancer [11], ovarian cancer [12], melanoma [13] and breast cancer [14–16].