AIMP1 and glioblastoma: We found significantly higher mRNA expression levels of AIMP1 and AIMP2 in both GBM and LGG compared with normal brain tissue [Fig. 2A, P values 0.029 (GBM-AIMP1), 0.015 (GBM-AIMP2), 0.027 (LGG-AIMP1), and 0.018 (LGG-AIMP2)].