| IBD | Inflammatory bowel disease |
| CD | Crohn’s disease |
| UC | Ulcerative colitis |
| TNBS | Trinitrobenzene sulfonic acid |
| DSS | Dextran sulphate sodium |
| OC | Oxazolone colitis |
| NKT | Natural killer T cell |
| IL- | Interleukin |
| TGF | Transforming growth factor |
| Infl.EC | Inflamed epithelial cells |
| HEC | Healthy epithelial cells |
| Dam.EC | Damaged epithelial cell |
| CD | Cluster of differentiation |
| ILC | Innate lymphoid cell |
| NOD2 | Nucleotide-binding and oligomerisation domain-containing 2 |
| SCID | Severe combined immunodeficiency |
| NF-κB | Nuclear factor kappa B |
| NEMO | NF-kB essential modulator (NEMO) |
| Iκκ-γ | I-kappa-B kinase gamma |
| RAG | Recombination-activating gene |