ADD3 and hepatocellular carcinoma: For instance, 12 circRNAs—namely, circDLC1, circ-102,166, circ-ADD3, circADAMTS13, circZKSCAN1, cSMARCA5, hsa_circ_0091570, circSETD3, circNFATC3, circTRIM33-12, hsa_circ_0007456, circMTO1—were significantly downregulated in HCC tissues and cell lines (37, 60, 61, 63–68, 70, 80, 81).