Immunity and Tolerance Induced by Intestinal Mucosal Dendritic Cells

Dendritic cells present in the digestive tract are constantly exposed to environmental antigens, commensal flora, and invading pathogens. Under steady-state conditions, these cells have high tolerogenic potential, triggering differentiation of regulatory T cells to protect the host from unwanted pro...

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Main Author: Julio Aliberti
Format: Article
Language:English
Published: Wiley 2016-01-01
Series:Mediators of Inflammation
Online Access:http://dx.doi.org/10.1155/2016/3104727
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author Julio Aliberti
author_facet Julio Aliberti
author_sort Julio Aliberti
collection DOAJ
description Dendritic cells present in the digestive tract are constantly exposed to environmental antigens, commensal flora, and invading pathogens. Under steady-state conditions, these cells have high tolerogenic potential, triggering differentiation of regulatory T cells to protect the host from unwanted proinflammatory immune responses to innocuous antigens or commensals. On the other hand, these cells must discriminate between commensal flora and invading pathogens and mount powerful immune response against pathogens. A potential result of unbalanced tolerogenic versus proinflammatory responses mediated by dendritic cells is associated with chronic inflammatory conditions, such as Crohn’s disease, ulcerative colitis, food allergies, and celiac disease. Herein, we review the dendritic cell population involved in mediating tolerance and immunity in mucosal surfaces, the progress in unveiling their development in vivo, and factors that can influence their functions.
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series Mediators of Inflammation
spelling doaj-art-dd3e1f93d5e34930a8b8e4180a640ae82025-02-03T01:27:31ZengWileyMediators of Inflammation0962-93511466-18612016-01-01201610.1155/2016/31047273104727Immunity and Tolerance Induced by Intestinal Mucosal Dendritic CellsJulio Aliberti0Division of Immunobiology, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH 45229, USADendritic cells present in the digestive tract are constantly exposed to environmental antigens, commensal flora, and invading pathogens. Under steady-state conditions, these cells have high tolerogenic potential, triggering differentiation of regulatory T cells to protect the host from unwanted proinflammatory immune responses to innocuous antigens or commensals. On the other hand, these cells must discriminate between commensal flora and invading pathogens and mount powerful immune response against pathogens. A potential result of unbalanced tolerogenic versus proinflammatory responses mediated by dendritic cells is associated with chronic inflammatory conditions, such as Crohn’s disease, ulcerative colitis, food allergies, and celiac disease. Herein, we review the dendritic cell population involved in mediating tolerance and immunity in mucosal surfaces, the progress in unveiling their development in vivo, and factors that can influence their functions.http://dx.doi.org/10.1155/2016/3104727
spellingShingle Julio Aliberti
Immunity and Tolerance Induced by Intestinal Mucosal Dendritic Cells
Mediators of Inflammation
title Immunity and Tolerance Induced by Intestinal Mucosal Dendritic Cells
title_full Immunity and Tolerance Induced by Intestinal Mucosal Dendritic Cells
title_fullStr Immunity and Tolerance Induced by Intestinal Mucosal Dendritic Cells
title_full_unstemmed Immunity and Tolerance Induced by Intestinal Mucosal Dendritic Cells
title_short Immunity and Tolerance Induced by Intestinal Mucosal Dendritic Cells
title_sort immunity and tolerance induced by intestinal mucosal dendritic cells
url http://dx.doi.org/10.1155/2016/3104727
work_keys_str_mv AT julioaliberti immunityandtoleranceinducedbyintestinalmucosaldendriticcells