HOTAIR and glioblastoma: Jie et al. analyzed six oncogenic or tumor suppressor lncRNAs (Colorectal Neoplasia Differentially Expressed (CRNDE), Growth Arrest Specific 5, H19 (GAS5), H19, (HOX Transcript Antisense RNA) HOTAIR, Metastasis Associated Lung Adenocarcinoma Transcript 1 (MALAT1), and Taurine Up-Regulated 1 (TUG1) in the serum from 106 patients with primary glioblastoma.