PD-1	programmed cell death protein-1
PD-L1/2	programmed death-ligand 1/2
CTLA-4	cytotoxic T-lymphocyte-associated protein 4
TIM-3	T-cell immunoglobulin and mucin domain-3
LAG-3	lymphocyte activation gene-3
TIGIT	T cell immunoreceptor with immunoglobulin and ITIM domains
PTMs	Post-translational Modifications
GPI	glycosylphosphatidylinositol
ER	endoplasmic reticulum
OST	oligosaccharyltransferase
ERAD	ER-associated degradation
ERLAD	ER-to-lysosomes-associated degradation
UDP-GlcNAc	uridine diphosphate N-acetylglucosamine
HBP	hexosamine biosynthetic pathway
OGT	O-GlcNAc transferase
OGA	O-GlcNAcase
TCR	T-cell-receptor
MHC	major histocompatibility complex
APCs	antigen-presenting cells
FUT8	Fucosyltransferase 8
B3GNT3	β-1,3-N-acetylglucosaminyl-transferase
CSCs	Cancer stem cells
EMT	epithelial-mesenchymal transition
GSK3β	glycogen synthase kinase 3β
TNBC	Triple-Negative Breast Cancer
AMPK	Adenosine 5′-monophosphate (AMP)-activated protein kinase
CTL	cytotoxic T lymphocyte
IHC	immunohistochemical
FFPE	Formalin-fixed paraffin-embedding
PNGase	F peptide-N-glycosidase F;
HNSCC	head and neck squamous cell carcinoma
EGF/EGFR	Epidermal Growth Factor/Epidermal Growth Factor Receptor
ICOS/ICOSL	inducible co-stimulator/ inducible co-stimulator ligand
NK cells	natural killer cells
NCRs	natural cytotoxicity receptors
LSECtin	liver sinusoidal endothelial cell lectin
TIGIT	T cell immunoreceptor with immunoglobulin and ITIM domains
CRD	cysteine-rich domains
Gal-9	galectin-9
Siglec	Sialic acid-binding immunoglobulin-like lectin
IAP	integrin-associated protein
SIRPα	signal regulatory protein α
TAMs	tumor-associated macrophages
NKG2D	natural killer group 2D
MICA/B	MHC class I polypeptide-related sequence A/B
SLAM	Signaling Lymphocyte Activation Molecule
DC	dendritic cells
SRPK2	serine/arginine-rich protein kinase 2
PGK1	phosphoglycerate kinase 1
TCA	tricarboxylic acid
2F-Fuc	2-fluoro-L-Fucose
2-DG	2-deoxy-glucose
PARP	Poly ADP-ribose polymerase
Fab	fragment antigen binding
Fc	fragment crystallizable
ADCC	Antibody-dependent cell-mediated cytotoxicity