| Abbreviation | Definition |
| PSC | Primary sclerosing cholangitis |
| PSC-UC | Primary sclerosing cholangitis-associated ulcerative colitis |
| UC | Ulcerative colitis |
| miRNA | microRNA |
| PI3K | Phosphoinositide 3-kinase |
| AKT | Protein kinase B |
| STAT3 | Signal transducer and activator of transcription 3 |
| NF-κB | Nuclear factor kappa B |
| PDCD4 | Programmed cell death protein 4 |
| CYLD | CYLD lysine 63 deubiquitinase |
| PCA | Principal component analysis |
| ROC | Receiver operating characteristic |
| AUC | Area under the curve |
| GLM | General linear model |
| PBS | Phosphate-buffered saline |
| SEM | Standard error of the mean |
| ANOVA | Analysis of variance |
| kNN | k-nearest neighbours |