| IDO1 | Indoleamine 2,3-dioxygenase |
| 1-MT | 1-Methyltryptophan |
| LPS | Lipopolysaccharide |
| TRP | Tryptophan |
| KYNA | Kynurenic acid |
| KYN | Kynurenine |
| QUIN | Quinolinic acid |
| MYR | Myritol |
| N/L ratio | Neutrophil to lymphocyte count ratio |
| TDO2 | Tryptophan 2,3-dioxygenase |
| AhR | Aryl hydrocarbon receptor |
| CYP1A1 | Cytochrome P450, family 1, subfamily A, polypeptide 1 |
| GM-CSF | Granulocyte-macrophage colony-stimulating factor |
| iNOS | Inducible nitric oxide synthase |