| ADAMTS | A disintegrin and metalloprotease with thrombospondin motifs |
| APMA | 4-aminophenylmercuric Acetate |
| COMP | Cartilage oligomeric matrix protein |
| DMEM/F-12 | Dulbecco’s Modified Eagle Medium/Nutrient Mixture F-12 |
| ECM | Extracellular Matrix |
| ELISA | Enzyme-linked Immunosorbent Assay |
| FBS | Fetal bovine serum |
| HC | Healthy Individuals/Controls |
| HEK293 EBNA | Human Embryonic Kidney 293 Epstein-Barr Virus Nuclear Antigen |
| HRP | Horseradish peroxidase |
| IL-1β | Interleukin-1-beta |
| kDa | Kilo Dalton |
| LDS | Lithium Dodecyl Sulfate |
| MMP | Matrix metalloproteinase |
| NEM | N-Ethylmaleimide |
| OA | Osteoarthritis |
| PMSF | Phenylmethylsulfonylfluorid |
| PVDF | Polyvinylidene Fluoride |
| R | Concentration ranges |
| RT | Room temperature |
| SDS | Sodium dodecyl sulfate |
| SF | Synovial fluid |
| TBS | Tris-buffered saline |
| TBST | Tris-buffered saline with 0.1% 0Tween20 |
| TGF-β | Transforming growth factor beta |
| TNFα | Tumor necrosis factor alpha |
| TSP-4 | Thrombospondin-4 |
| TSP-5 | Thrombospondin-5 |
| TLR-2 | Toll-like receptor 2 |