MELK and glioblastoma: To further confirm the expression profiles, we examined expression of MELK, EZH2, and NF-κB at protein and RNA levels and found that the EZH2 and NF-κB expression was markedly increased in the surgical GBM samples utilizing the immunoblotting and qPCR investigation though there was not detectable difference at MELK protein level (p < 0.01 and p < 0.001, Figure 1C).