CNS	central nervous system
ACKRs	atypical receptors for chemokines
AA	amino acids
ECM	extracellular matrix
GAGs	glycosaminoglycans
GPCR	G-protein-coupled receptor
CKRs	chemokine receptors
MAPK	mitogen-activated protein kinase
PI3K	phosphoinositide 3-kinase
PLC	phospholipase C
cCKRs	conventional chemokine receptors
IL-1	interleukin 1
TNF-α	tumor necrosis factor alpha
LPS	lipopolysaccharides
SDF-1	stromal derived factor 1
BM	bone marrow
hNPCs	human neural progenitor cells
NK	natural killer
BBB	blood–brain barrier
PDGF	platelet-derived growth factor
VCAM-1	vascular cell adhesion molecule-1
FGF	fibroblast growth factor
MMPs	matrix metalloproteinases
GROα	growth-related oncogene alpha
ENA-78	epithelial neutrophil-activating protein-78
GCP-2	granulocyte chemotactic protein 2
NAP-2	neutrophil-activating protein-2
IL-8	interleukin 8
VEGF	vascular endothelial growth factor
IFN	interferon
PF4	platelet factor-4
MIG	monokine induced by interferon-γ
IP-10	interferon-γ inducible protein-10
I-TAC	interferon-γ inducible T cell chemoattractant
BRAK	breast-and-kidney-expressed chemokine
ERK	extracellular-signal-regulated kinase
NO	nitric oxide
eNOS	endothelial nitric oxide synthase
DCs	dendritic cells
LEC	liver-expressed chemokine
MTN-1	monotactin-1
SLC	secondary lymphoid-tissue chemokine
TAM	tumor-associated macrophages
TGF-β	transforming growth factor
MT-1 MMP	membrane type 1-matrix metalloproteinase
TANs	tumor associated neutrophils
HIF-1α	hypoxia-inducible factor 1-alpha
CAF	cancer-associated fibroblasts
TME	tumor microenvironment
TARC	thymus and activation-regulated chemokine
MDC	macrophage-derived chemokine
WHO	World Health Organization
LGG	low-grade infiltrating gliomas
HGG	high-grade gliomas
GBM	glioblastoma multiforme
PrGBM	primary glioblastoma multiforme
ScGBM	secondary glioblastoma multiforme
IDH1/2	isocitrate dehydrogenase 1/2
LOH	loss of heterozygosity
EGFR	epidermal growth factor
ENM	extra-neural metastases
FGF	fibroblast growth factor
EGF	epidermal growth factor
NF-kB	nuclear factor-kappa B
CSF	cerebrospinal fluid
VM	vascular mimicry
AAT	antiangiogenic therapies
EMT	epithelial–mesenchymal transition
Tregs	regulatory T-cells
MDSCs	myeloid-derived suppressor cells
MIF	macrophage migration inhibitory factor
AP-1	activator protein 1
uPA	urokinase plasminogen activator
RANTES	regulated on activation, normally T-expressed, and secreted
DARC	Duffy antigen for chemokines
CCX-CKR	ChemoCentryx chemokine receptor
NSCLC	non-small cell lung cancer
HCC	hepatocellular carcinoma
CCRL2	chemokine CC-motif receptor-like 2
CRAM	chemokine receptor on activated macrophages
PITPNM3	phosphatidylinositol transfer protein 3
Pyk2	proline-rich tyrosine kinase 2
CEA	carcinoembryonal antigen
NSE	neuron-specific enolase
ELISA	sandwich enzyme-linked immunosorbent assay