BBB	Blood–brain barrier
BTIC	Brain tumor-initiating cells
CFSE	Carboxyfluorescein succinimidyl ester
ELDA	Extreme limiting dilution assay
FBS	Fetal bovine serum
GBM	Glioblastoma
NHA	Normal human astrocytes
NPC	Neural progenitor cells
PDX	Patient-derived xenografts
PSX	PDX-SFA-X-VIVO media
SFA	Serum-free astrocyte
TAA	Tumor-associated astrocytes
TAM	Tumor-associated macrophages
TME	Tumor microenvironment