HK2 and central nervous system cancer: The intensity of HK2-positive staining in NOX2-positive staining (Figure S4a–c) and the number of cells showing subcellular co-localization of HK2 and NOX2 were increased in patients with G3 glioma (G3) relative to those in G1 and G2 gliomas (G1, G2) (Figure S4d).