AC	Articular chondrocytes
ADAMTS	A disintegrin and metalloproteinase with thrombospondin motifs
C1q	Complement C1q subcomponent
C1r	Complement C1r subcomponent
C1s	Complement C1s subcomponent
C3	Complement C3
CF	Complement factor
CHI3L1	Chitinase-3-like protein 1
CTSB	Cathepsin B
DCN	Decorin
ECM	Extracellular cellular matrix
Fn	Fibronectin
Fn-fs	Fibronectin fragments
GPCRs	G protein-coupled receptors
MMP	Matrix metalloproteinase
OA	Osteoarthritis
PTX3	Pentraxin-related protein 3
QSOX1	Sulfhydryl oxidase 1
RA	Rheumatoid arthritis
SF	Synovial fibroblasts
SILAC	Stable isotope labeling with amino acids
uPA	Urokinase-type plasminogen activator
VIP	Vasoactive intestinal peptide