Hu-BLT mouse	Humanized-bone marrow/liver/thymus mouse
NK cells	Natural killer cells
NSG mouse	NOD scid gamma mouse
PD-1	Programmed death ligand 1
MP2	MiaPaCa-2 pancreatic cancer stem cells
OSCSCs	Oral squamous cancer stem cells
MHC-Class I	Major histocompatibility complex molecule class I
IFN-γ	Interferon-gamma
TNF-α	Tumor necrosis factor-α
IL-6	Interleukin-6
CSCs	Cancer stem cells
FBS	Fetal bovine serum
rhIL-2	Recombinant human IL-2
M-CSF	Macrophage colony-stimulating factor
RANKL	Receptor activator of nuclear factor kappa-B ligand
ELISA	Enzyme-Linked Immunosorbent Assays
BM	Bone marrow
GVHD	Graft vs. Host Disease
PBMCs	Peripheral blood mononuclear cells
NAC	N-acetyl cysteine
MDSCs	Myeloid-derived suppressor cells