| CAT | catalase |
| COX-2 | cyclooxygenase-2 |
| GSH | reduced glutathione |
| GSSG | oxidized glutathione |
| IBD | inflammatory bowel disease |
| IL | interleukin |
| MPO | myeloperoxidase |
| NF-κB | nuclear factor kappa B |
| Nrf2 | nuclear factor-erythroid 2-related factor 2 |
| PCA | protocatechuic acid |
| S1P | sphingosine-1-phosphate |
| S1PL | S1P lyase |
| SGPP | S1P phosphatase |
| S1PR | S1P receptor |
| SOD | superoxide dismutase |
| SphK | sphingosine kinase |
| STAT | signal transducer and activator of transcription |
| TNBS | 2,4,6 trinitrobenzenesulfonic acid |
| TNF | tumor necrosis factor |