| AHR | Aryl hydrocarbon receptor |
| AP | Acute Pneumonia |
| APC | Antigen-Presenting Cells |
| BSA | Bovine serum albumin |
| β-CD | β-cyclodextrin |
| C | Control |
| CD25 | Cluster of differentiation 25 |
| CD4 | Cluster of differentiation 4 |
| DMSO | d6-dimethyl sulfoxide |
| ELISA | Enzyme-Linked Immunosorbent Assay |
| EPP-ol | 1-(3-Ethoxypropyl)-4-(pent-1-yn-1-yl)piperidin-4-ol |
| EPP-pr | 1-(3-Ethoxypropyl)-4-(pent-1-yn-1-yl)piperidin-4-yl Propionate |
| FMO | Fluorescence-minus-one |
| FoxP3 | Forkhead Box Protein P3 |
| FT-IR | Fourier Transform Infrared spectroscopy |
| IL-4 | Interleukin-4 |
| IR | Infrared spectroscopy |
| MXF-22 | Complex of 1-(2-Ethoxypropyl)-4-(pent-1-yn-1-yl)piperidin-4-yl Propionate with β-Cyclodextrin |
| NF-κB | Nuclear Factor-kappa B |
| NMR | Nuclear Magnetic Resonance |
| OA | Oleic-acid |
| PO | Polyoxidonium |
| Smad | SMAD family proteins (homologs of Sma and Mad) |
| TGF-β | Transforming growth factor-β |
| Th | T helper cells |
| TLC | Thin-layer chromatography |
| Treg | Regulatory T cells |