CBX5 chromobox protein 5 CGGA Chinese Glioma Genome Atlas DDR DNA damage response GBM glioblastoma GEPIA Gene Expression Profiling Interactive Analysis HR homologous recombination IGF2BP2 insulin-like growth factor 2 mRNA-binding protein 2 m6A N6-methyladenosine METTL3 methyltransferase-like 3 MGMT O6-methylguanine-DNA methyltransferase NHEJ non-homologous end joining SRAMP Sequence-based RNA Adenosine Methylation Site Predictor TCGA The Cancer Genome Atlas TMZ temozolomide WHO World Health...