Table 1.
Claudins expression in various parts of the gastrointestinal tract (GI) in mammals. * Distinguished parts of the colon.
| Part of GI Tract | Claudins | References | |||
|---|---|---|---|---|---|
| Human | Mouse | Rat | Pig | ||
| Mouth | 1, 4, 7, 8, 17 | 1, 2, 3, 4, 6, 7, 10, 11, 12, 17, 18, 23 | - | 4, 7 | [35,36,41] |
| Esophagus | 2, 3, 4, 7, 8, 12, 15, 18 | - | - | - | [38,42,43] |
| Stomach | 10, 11, 14, 17, 18, 23 | 1, 3, 5, 6, 11, 18 | - | 1 | [35,37,38,44,45,46] |
| Duodenum | 1, 2, 3, 4, 7, 8, 12, 15, 18 | 1, 2, 3, 4, 5, 7, 8, 9, 10, 11, 12, 14, 15, 18 | 1, 2, 3, 4, 5, 7, 8, 12 | 1, 3, 4, 5 | [34,38,39,40,47,48,49] |
| Jejunum | 2 | 1, 2, 3, 4, 5, 7, 8, 9, 10, 11, 12, 13, 14, 15, 18 | 1, 2, 3, 5, 7, 12 | 1, 3, 4, 5 | [34,38,39,40,46,47,48,49,50,51] |
| Ileum | 2, 3, 4, 7, 8, 12, 15, 18 | 1, 2, 3, 4, 5, 7, 8, 9, 10, 11, 12, 13, 14, 15 | 1, 2, 3, 5, 7, 8, 12 | 1, 3, 4, 5 | [34,38,39,40,46,47,48,49] |
| Cecum | - | 1, 2, 3, 4, 5, 7, 8, 9, 10, 11, 12, 14, 15 | - | - | [34] |
| Colon | - | 1, 2, 3, 4, 5, 7, 8, 9, 10, 11, 12, 14, 15 | 1, 2, 3, 4, 5, 7, 8, 9, 12 | 1, 4 | [34,39,40,46,52] |
| Ascending * | 2, 3, 4, 7, 8, 12, 15, 18 | - | - | - | [38] |
| Transverse * | 2, 3, 4, 7, 8, 12, 15, 18 | - | - | - | [38] |
| Descending * | 2, 3, 4, 7, 8, 12, 15, 18 | - | - | - | [38] |
| Sigmoid * | 2, 3, 4, 7, 8, 12, 15, 18 | - | - | - | [38] |
| rectum | 1, 2, 3, 4, 7, 8, 12, 15, 18 | - | 3 | - | [26,38,42] |