| AD | Alzheimer’s Disease |
| COPD | Chronic obstructive pulmonary disease |
| fMLP | Formyl-methyl-leucyl-phenylalanine |
| IL-1 | Interleukin 1 |
| IL-8 | Interleukine-8 |
| MS | Multiple Sclerosis |
| p38 MAPK | p38 Mitogen-Activated Protein Kinase |
| PDE4 | Phosphodiesterase type 4 |
| PDE4Is | Phosphodiesterase type 4 Inhibitors |
| PDGF | Platelet derived growth factor |
| ROS | Reactive oxygen species |
| SAR | Structure-activity-relationship |
| TGF | Tumor growth factor |
| TNFα | Tumor necrosis factor alpha |