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Curr Opin Immunol. 2012 Aug;24(4):379-84. doi: 10.1016/j.coi.2012.07.006. Epub 2012 Jul 31.

Dietary and commensal derived nutrients: shaping mucosal and systemic immunity.

Author information

1
Mucosal Immunology Section, Laboratory of Parasitic Diseases, National Institute of Allergy and Infectious Disease, NIH, Bethesda, MD 20892, USA.

Abstract

The intestine serves as the primary site of nutrient absorption in the body while also harboring the highest burden of commensal microflora and representing a major portal of pathogen exposure. As such, the immune network of the intestine relies on both dietary and commensal derived signals to guide appropriate function. Recent advances highlight the role of dietary derived nutrients and commensal derived metabolites in shaping gastrointestinal immunity. In particular, vitamin A has been shown to have dominant and pleiotropic effects in the intestine. In addition, dietary derived AHR ligands and commensal derived metabolites are now emerging as important players in mucosal immunity. Thus nutrition, commensal microflora and the mucosal immune system are all intimately connected.

PMID:
22857854
PMCID:
PMC3431603
DOI:
10.1016/j.coi.2012.07.006
[Indexed for MEDLINE]
Free PMC Article

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