POLR1H and hepatocellular carcinoma: The expression of LncTUG1 and ZnRD1-ASP were measured in HCC tissues by way of StarBase database (http://starbase.sysu.edu.cn), and the results displayed that compared with normal tissues, LncTUG1 and ZnRD1-ASP expressions were both rised in HCC tissues (Fig. 1b).