CDKN2B-AS1 and gastric cancer: Our previous studies also showed that lncRNA ANRIL could be a growth regulator, which promoted GC proliferation by epigenetically silencing of miR-99a/miR-449a [11]; lncRNA HOTAIR could function as a competing endogenous RNA to regulate HER2 expression by sponging miR-331-3p in GC [12].