| RA | Rheumatoid arthritis |
| CIA | Collagen-induced arthritis |
| DMARDs | Disease-modifying antirheumatic drugs |
| M-CSF | Macrophage-colony stimulating factor |
| RANKL | Receptor activator of nuclear factor-κB ligand |
| MMP | Matrix metalloproteinase |
| NFATc1 | Nuclear factor of activated T-cells, cytoplasmic, calcineurin dependent 1 |
| TRAP | Tartrate-resistant acid phosphatase |
| CTSK | Cathepsin K |
| OSCAR | Osteoclast-associated receptor |
| CAIA | Anti-collagen antibody-induced arthritis |
| AP-1 | Activating protein-1 |
| CHX | Cycloheximide |
| PBS | Phosphate-buffered saline |
| BSA | Bovine serum albumin |