HHIP and medulloblastoma: Overall, the current evidence indicates that HOTAIR, NEAT1, linc-NeD125, HHIP-AS1, CRNDE, and TP73-AS1 are oncogenic lncRNAs and Nkx2-2as is a tumor-suppressive lncRNA that forms lncRNA-associated ceRNAs in medulloblastoma.