SETD5 and hepatocellular carcinoma: Of note, SETD5‐AS1 has been previously reported,[15] and the other two are novel lncRNAs, and the selected lncRNA knockdown inhibited HCC cell proliferation more than SETD5‐AS1 knockdown in a Cell Counting Kit‐8 (CCK‐8) assay in vitro (Figure S2A–D, Supporting Information).