| CCS | Chronic cervical spondylitis |
| SNPs | Single-nucleotide polymorphisms |
| IL-1β | Interlaken 1 beta |
| TNF-α | Tumor necrosis factor-alfa |
| TGF-β | Tumor necrosis factor-beta |
| PAGE | Polyacrylamide gel electrophoresis |
| RFLP | Restriction Fragment Length Polymorphism |
| EDTA | Ethylenediamine tetraacetic acid |
| ESR | Erythrocyte Sedimentation Rate |
| CRP | C-reactive Protein |
| OA | Osteoarthritis |
| AS | Ankylosing spondylitis |
| RA | Rheumatoid arthritis |
| BMI | Body Mass Index |
| VDR | Vitamin-D Receptor |
| MRI | Magnetic resonance imaging |
| AP1 | Activated protein 1 |