TPTEP1 and hepatocellular carcinoma: TPTEP1 is a lncRNA that has been previously recognized as a tumor suppressor in hepatocellular carcinoma [13], while miR-1303 has been revealed to be upregulated and accelerate tumor development in several human cancers, such as hepatocellular carcinoma [17], neuroblastoma [18] and gastric cancer [19].