KRAS and glioblastoma: Three recent reports focused on miRNAs targeting RAS in GBM and showed that miR-143-3p directly targets NRAS [17], let-7a-5p directly targets KRAS [7], and both R-Ras and N-Ras (related RAS viral oncogene homolog, HRAS homolog) are direct targets of miR-124-3p [18].