SATB2-AS1 and hepatocellular carcinoma: Furthermore, the lncRNAs DiGeorge syndrome critical region gene 5 (DGCR5) and SATB2 antisense RNA 1 (SATB2-AS1) are known to be down-regulated in HCC tissues, and their down-regulation has shown a significant correlation with poor overall survival among patients with HCC [27,28].