ADA	Adenosine Deaminase
ACR	American College of Rheumatology
ALP	Alkaline Phosphatase
aBMD	areal Bone Mineral Density
ARF	Aqueous Residual Fraction
BF	Butanolic Fraction
BMD	Bone Mineral Density
Caf	Caffeine
CAT	Catalase
CE	Crude Extract
CGA	Chlorogenic Acid
CRP	C-Reactive Protein
CQA	Caffeoylquinic Acid
CV	Cell Viability
DAS28	Disease Activity Score in 28 joints
DEGs	Differentially Expressed Genes
DEPs	Differentially Expressed Proteins
DHCA	Dihydrocaffeic Acid
DHFA	Dihydroferulic Acid
diCQA	Dicaffeoylquinic Acid
DSS	Dextran Sodium Sulfate
DXA	Dual-energy X-ray Absorptiometry
eNOS	Endothelial Nitric Oxide Synthase
ESR	Erythrocyte Sedimentation Rate
FLS	Fibroblast-like Synoviocyte
GATA6	GATA-binding Protein 6
GPx	Glutathione Peroxidase
GR	Glutathione Reductase
GSH	Reduced Glutathione
GSSG	Oxidized Glutathione
hUCMSCs	Human Umbilical Cord Mesenchymal Stem Cells
IDO	Indoleamine 2,3-Dioxygenase
IFN-γ	Interferon-gamma
IL	Interleukin
IL-6	Interleukin-6
JAK/STAT	Janus Kinase/Signal Transducer and Activator of Transcription
LDH	Lactate Dehydrogenase
MDA	Malondialdehyde
MMP	Matrix Metalloproteinase
MPO	Myeloperoxidase
NF-κB	Nuclear Factor Kappa-light-chain-enhancer of Activated B Cells
NLRP3	Nucleotide-binding Domain, Leucine-rich Repeat-containing Family, Pyrin Domain-containing 3
NO	Nitric Oxide
NOx	Nitric Oxide Species
NPSH	Non-Protein Thiols
OPG	Osteoprotegerin
p-AKT	Phosphorylated Protein Kinase B
PBMCs	Peripheral Blood Mononuclear Cells
p-IκB	Phosphorylated Inhibitor of Kappa B
PSMB8	Proteasome Subunit Beta 8
RANKL	Receptor Activator of Nuclear Factor κB Ligand
RA-FLSs	Rheumatoid Arthritis Fibroblast-like Synoviocytes
ROS	Reactive Oxygen Species
Rut	Rutin
sBMD	Surface Bone Mineral Density (cortical)
SOD	Superoxide Dismutase
SOD2	Superoxide Dismutase 2
TAC	Total Antioxidant Capacity
TBARS	Thiobarbituric Acid Reactive Substances
Th	T Helper
Th17	T Helper 17 Cells
TLR-3	Toll-Like Receptor 3
TNF-α	Tumor Necrosis Factor-alpha
t-BHP	tert-Butyl Hydroperoxide
TRAP	Tartrate-Resistant Acid Phosphatase
vBMD	Volumetric Bone Mineral Density (trabecular)
XIST	X-inactive Specific Transcript (long non-coding RNA)
YME	Yerba Mate Aqueous Extract
YMPE	Yerba Mate Phenolic Extract