BMDM	Bone marrow-derived macrophage
CD	Cluster of differentiation
CERS	Ceramide synthase
FDR	False discovery rate
GBM	Glioblastoma, IDH-wildtype
GEO	Gene Expression Omnibus
IDH	Isocitrate dehydrogenase
ITGA4	Integrin α4
KLF2	Krüppel-like factor 2
LGG	Low-grade glioma
PD-1	Programmed cell death protein 1
PD-L1	Programmed cell death ligand 1
S1P	Sphingosine-1-phosphate
S1PR1	Sphingosine-1-phosphate receptor 1
scRNA-seq	Single-cell RNA sequencing
SELL	L-selectin (CD62L)
SGPL1	Sphingosine-1-phosphate lyase 1
SPHK1/2	Sphingosine kinase 1/2
TCR	T cell receptor
TILs	Tumor-infiltrating lymphocytes
TRM	Tissue-resident memory