| UC | ulcerative colitis |
| IBD | inflammatory bowel disease |
| IFX | Infliximab |
| TNF-a | tumor necrosis factor-alpha |
| EMT | Epithelial–Mesenchymal Transition |
| ECM | extracellular matrix |
| R-UC | ulcerative colitis responder |
| NR-UC | ulcerative colitis non-responder |
| HC | healthy control |
| SPARC | Secreted Protein Acidic and Rich in Cysteine |
| SPP1 | Secreted Phosphoprotein 1 |
| RT-qPCR | real-time quantitative PCR |
| FFPE | formalin-fixed, paraffin-embedded |
| IHC | immunohistochemistry |