ADCC	Antibody-dependent cellular cytotoxicity
CSCs	Cancer stem cells
ELSIAs	Enzymatic-linked immunosorbent assays
ELISpot	Enzymatic-linked immunospot assay
IFN-γ	Interferon-gamma
LU	Lytic unit
MHC-Class I	Major histocompatibility complex molecule class I
NK cells	Natural killer cells
OSCSCs	Oral squamous cancer stem cells
PBMCs	Peripheral blood mononuclear cells
rhIL-2	Recombinant human IL-2
sAJ2	Sonicated AJ2
TNF-α	Tumor necrosis factor-alpha
TAMs	Tumor-associated macrophages