Breg	Regulatory B cell
CIA	Collagen-induced arthritis
DC	Dendritic cell
iNOS	Inducible nitric oxide synthase
MDSC	Myeloid-derived suppressor cell
M-MDSC NF-κB	Monocytic myeloid-derived suppressor cell Nuclear factor kappa-light-chain-enhancer of activated B cells
NK	Natural killer
NO	Nitric oxide
PD-1	Programmed cell death protein 1
PD-L1	Programmed cell death ligand 1
PGE2	Prostaglandin E2
PMN-MDSC	Polymorphonuclear myeloid-derived suppressor cell
PNT	Peroxynitrite
ROS	Reactive oxygen species
SLE	Systemic lupus erythematosus
SOD	Superoxide dismutase
Stat	Signal transducer and activator of transcription
sTNF	Secretory tumor necrosis factor
tBreg	Tumor-evoked regulatory B cell
TGF-β	Transforming growth factor-beta
tmTNF	Transmembrane tumor necrosis factor
TNF	Tumor necrosis factor
TNFR	Tumor necrosis factor receptor
Treg	Regulatory T cell
VISTA	V-domain immunoglobulin suppressor of T cell activation