| 5-ASA | 5-aminosalicylic acid |
| ALP | Alkaline phosphatase |
| ALT | Alanine transaminase |
| AST | Aspartate transaminase |
| Ca2+ | Intracellular calcium |
| cAMP | Cyclic adenosine monophosphate |
| CAT | Catalase |
| CBWR | Colon weight-to-body weight ratio |
| CD | Crohn’s disease |
| COX-2 | Cyclooxygenase-2 |
| cPLA2 | Cytosolic phospholipase A2 |
| CRD | Colorectal distension |
| DASR | Disease activity score |
| DSS | Dextran sodium sulfate |
| EMG | Electromyography |
| eNOS | Endothelial nitric oxide synthase |
| Gi/o proteins | G inhibitory/other proteins |
| Gq | Gq-protein coupled receptor |
| Gs protein | Stimulatory G protein |
| GSH | Reduced glutathione |
| GST | Glutathione S-transferase |
| H1R | Histamine H1 receptors |
| H2R | Histamine H2 receptors |
| H2RA | Histamine H2 receptor antagonist |
| H3R | Histamine H3 receptors |
| H4R | Histamine H4 receptors |
| HDC | Histidine decarboxylase |
| IBD | Inflammatory bowel disease |
| IFN-γ | Interferon gamma |
| IL-17 | Interleukin 17 |
| IL-1β | Interleukin 1β |
| IL-6 | Interleukin 6 |
| IP3 | Inositol 1,4,5-trisphosphate |
| MC | Microscopic colitis |
| MDA | Malondialdehyde |
| MPO | Myeloperoxidase |
| MTX | Methotrexate |
| NADPH | Nicotinamide adenine dinucleotide phosphate (reduced form) |
| NAFLD | Non-alcoholic fatty liver disease |
| NF-κB | Nuclear factor kappa- B |
| Nrf2 | Nuclear factor erythroid 2-related factor 2 (Nrf2) |
| NSAID | Non-steroidal anti-inflammatory drug |
| PGE2 | Prostaglandin E2 |
| p-IκBα | Phosphorylated inhibitor of κb alpha |
| pKi | Negative logarithm of the inhibition constant (Ki) |
| PLC | Phospholipase C |
| PMSI | Partial mayo scoring index |
| p-p65 | Phosphorylated p65 subunit of NF-κb |
| PPIs | Proton pump inhibitors |
| PSC | Primary sclerosing cholangitis |
| PUFAs | Polyunsaturated fatty acids |
| RAMH | (R)-α-methylhistamine |
| ROS | Reactive oxygen species |
| SOD | Superoxide dismutase |
| STAT3 | Signal transducer and activator of transcription 3 |
| TAC | Total antioxidant capacity |
| Th1 | T helper 1 cells |
| Th17 | T helper 17 cells |
| TNBS | 2,4,6-trinitrobenzene sulfonic acid |
| TNF-α | Tumor necrosis factor α |
| TOS | Total oxidative status |
| UC | Ulcerative colitis |
| VMRs | Visceromotor responses |