G6PC2 and glioblastoma: Ten glucose metabolism-related biomarker genes (B4GALT7, CHST12, G6PC2, GALE, IL13RA1, LDHB, SPAG4, STC1, TGFBI, and TPBG) were found to be statistically and biologically significant in the discrimination of LGGs from GBM in this study (Table 1).