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Faecal markers in clinical use.
| Faecal marker | Main source |
|---|---|
| S100A8/S100A9 (Calprotectin) | Neutrophils, monocytes from cytoplasma and epithelial cells |
| S100A12 | Neutrophils from cytoplasma |
| Lactoferrin | Mucosal epithelial cells and neutrophils |
| M2-PK | Expressed by rapidly dividing cells |
| Neopterin | Activated macrophages |
| Metalloproteinases | Different cell types including activated neutrophils |
| Myeloperoxdases | Activated neutrophils |
| Polymorphonuclear elastase | Activated neutrophils |
