ACAN	Aggrecan
ACV	Articular cartilage vesicle
ADAMTS	A disintegrin and metalloproteinase with thrombospondin motifs
BMSC	Bone marrow mesenchymal stem cell
CCL	Chemokine (C-C motif) ligand
COL2A1	Collagen 2A1
COX-2	Cyclooxygenase-2
ECM	Extracellular matrix
EV	Extracellular vesicle
EXO	Exosome
FLS	Fibroblast-like synoviocyte
GAG	Glycosaminoglycan
HA	Hyaluronic acid
IFP	Infrapatellar fat pad
IL	Interleukin
lncRNA	Long non-coding RNA
MCP	Monocyte chemoattractant protein
miRNA	MicroRNA
MMP	Matrix metalloproteinase
mPGES-1	Microsomal prostaglandin E synthase-1
MSC	Mesenchymal stem cell
NSAID	Non-steroidal anti-inflammatory drug
OA	Osteoarthritis
PG	Proteoglycan
PGE2	Prostaglandin E2
PRP	Platelet-rich plasma
PUFA	Polyunsaturated fatty acid
RA	Rheumatoid arthritis
SF	Synovial fluid
sGAG	Sulfated glycosaminoglycan
SOX9	SRY-related HMG box 9
SPM	Specialized pro-resolving mediator
TGF-β	Transforming growth factor β
TNF-α	Tumor necrosis factor α