Table 1. Molecular characteristics of glioblastoma tumor spheres.

Cell	Molecular Subtype	Molecular Marker
		IDH1	MGMT
GSC11	Classical	WT	Unmethylation
TS15-88	Classical	WT	Unmethylation
X01	Mesenchymal	N/A*	N/A*
TS13-20	Neural	WT	Methylation
U87 sphere	Mesenchymal	WT	Methylation

N/A

^*Assay failed