Table 1.
M cell markers in various species and MALT sites
| M cell markers | Species | MALT sites | References |
|---|---|---|---|
| Clusterin | Human | Tonsils, adenoids, PPs, appendix, colon | 75 |
| Cathepsin E | Human | Tonsils, adenoids, PPs, appendix, colon (not specific, also found in FAE and crypt epithelium) | 59, 76 |
| GP2 | Mouse | PPs | 38, 45 |
| Vimentin | Rabbit, horse | Tonsils, PPs, adenoids, appendix and cecal patches. | 77–79 |
| β1 integrin | Mouse | PPs | 80 |
| Annexin V | Mouse | PPs | 54 |
| Polymerized actin | Mouse | Cecal patches | 81 |
| Cytokeratin 8 | Rat | PPs | 82 |
| Cytokeratin 18 | Swine, bovine | PPs and cecal patches | 83, 84 |
| Fucose | Mouse, rabbit | PPs and cecal patches | 85–88 |
PPs, Peyer's patches; GP2, Glycoprotein 2; FAE, follicle-associated epithelium; MALT, mucosa-associated lymphoid tissue.