Review Article
Dysbiosis in the Pathogenesis of Pediatric Inflammatory Bowel Diseases
Table 1
The effect of commensal bacteria on the development of the immune system.
| Inhibits epithelial NF-kB activation and inflammatory gene expression | | Activates CD4 cells in Peyer’s patches | | Activates CD8 or natural killer cells in intraepithelial leukocyte spaces | | Increases numbers of T and B cells, including CD86-positive cells | | Organizes the special relationships between T, B, and dendritic cells in the Peyer’s patches | | Increases the numbers of microfold cells | | Increases IgA producing B cells | | Hypertrophies Peyer’s patches and the development of germinal centers | |
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