PPD	Progressive pseudorheumatoid dysplasia
OMIM	Online Mendelian Inheritance in Man
CCN6	Cellular Communication Network Factor 6
WISP3	Wnt1-inducible-signaling pathway protein 3
JIA	Juvenile idiopathic arthritis
ESR	Erythrocyte Sedimentation Rate
CRP	C-Reactive Protein
ECM	Extracellular Matrix
IGFBP	Insulin-like Growth Factor Binding Protein
TSP1	Thrombospondin Type 1 Repeat
CTCK	Cysteine Knot-Containing Domain
Wnt	Wingless/Integrated
TGF-β	Transforming Growth Factor Beta
CHOP	C/EBP Homologous Protein
sXBP1	Spliced X-box Binding Protein 1
uXBP1	Unspliced X-box Binding Protein 1
MMP	Matrix Metalloproteinase