Abstract
Intestinal tissues are continuously exposed to tremendous amount of foreign material, either beneficial or harmful. Although strong protective immune responses are required to clear harmful pathogen infections, similar responses against food antigen can lead to harmful inflammation. Therefore, oral tolerance or unresponsiveness against dietary and commensal bacteria is also important to maintain tissue integrity by preventing harmful inflammatory responses in the intestine. While oral tolerance is an important phenomenon to protect unnecessary inflammatory responses, it presents an obstacle in the development of oral vaccines. Therefore an understanding of the gut immune system and the induction of oral tolerance is important. This review will focus on important aspects of the intestinal immune system and how immune responses in the intestine maintain homeostasis via oral tolerance. Also it will provide new insights in the development of oral vaccines.
Keywords: Oral Tolerance, Peyer's Patches, Mesenteric lymph nodes, Lamina propria, Intestinal epithelial cells Oral vaccines, mucosal adjuvants
Current Pharmaceutical Design
Title: The Biology of Oral Tolerance and Issues Related to Oral Vaccine Design
Volume: 13 Issue: 19
Author(s): Poonam Poonam
Affiliation:
Keywords: Oral Tolerance, Peyer's Patches, Mesenteric lymph nodes, Lamina propria, Intestinal epithelial cells Oral vaccines, mucosal adjuvants
Abstract: Intestinal tissues are continuously exposed to tremendous amount of foreign material, either beneficial or harmful. Although strong protective immune responses are required to clear harmful pathogen infections, similar responses against food antigen can lead to harmful inflammation. Therefore, oral tolerance or unresponsiveness against dietary and commensal bacteria is also important to maintain tissue integrity by preventing harmful inflammatory responses in the intestine. While oral tolerance is an important phenomenon to protect unnecessary inflammatory responses, it presents an obstacle in the development of oral vaccines. Therefore an understanding of the gut immune system and the induction of oral tolerance is important. This review will focus on important aspects of the intestinal immune system and how immune responses in the intestine maintain homeostasis via oral tolerance. Also it will provide new insights in the development of oral vaccines.
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Cite this article as:
Poonam Poonam , The Biology of Oral Tolerance and Issues Related to Oral Vaccine Design, Current Pharmaceutical Design 2007; 13 (19) . https://dx.doi.org/10.2174/138161207781039814
DOI https://dx.doi.org/10.2174/138161207781039814 |
Print ISSN 1381-6128 |
Publisher Name Bentham Science Publisher |
Online ISSN 1873-4286 |
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