MEG3 and glioblastoma: Interestingly, we found that in GBM, the MEG3 expression level was significantly positively correlated with level of infiltrating CD8+ T cells (r = 0.206, P = 2.28e-05) and significantly negatively correlated with the level of infiltrating dendritic cells (r = –0.18, P = 2.17e-04).