Dietary Fiber and Bacterial SCFA Enhance Oral Tolerance and Protect against Food Allergy through Diverse Cellular Pathways

Jian Tan, Craig McKenzie, Peter J. Vuillermin, Gera Goverse, Carola G. Vinuesa, Reina E. Mebius, Laurence Macia, Charles R. Mackay

Research output: Contribution to journalArticleResearchpeer-review

137 Citations (Scopus)

Abstract

The incidence of food allergies in western countries has increased dramatically in recent decades. Tolerance to food antigens relies on mucosal CD103+ dendritic cells (DCs), which promote differentiation of regulatory T (Treg) cells. We show that high-fiber feeding in mice improved oral tolerance and protected from food allergy. High-fiber feeding reshaped gut microbial ecology and increased the release of short-chain fatty acids (SCFAs), particularly acetate and butyrate. High-fiber feeding enhanced oral tolerance and protected against food allergy by enhancing retinal dehydrogenase activity in CD103+ DC. This protection depended on vitamin A in the diet. This feeding regimen also boosted IgA production and enhanced T follicular helper and mucosal germinal center responses. Mice lacking GPR43 or GPR109A, receptors for SCFAs, showed exacerbated food allergy and fewer CD103+ DCs. Dietary elements, including fiber and vitamin A, therefore regulate numerous protective pathways in the gastrointestinal tract, necessary for immune non-responsiveness to food antigens.

Original languageEnglish
Pages (from-to)2809-2824
Number of pages16
JournalCell Reports
Volume15
Issue number12
DOIs
Publication statusPublished - 21 Jun 2016

Cite this

Tan, Jian ; McKenzie, Craig ; Vuillermin, Peter J. ; Goverse, Gera ; Vinuesa, Carola G. ; Mebius, Reina E. ; Macia, Laurence ; Mackay, Charles R. / Dietary Fiber and Bacterial SCFA Enhance Oral Tolerance and Protect against Food Allergy through Diverse Cellular Pathways. In: Cell Reports. 2016 ; Vol. 15, No. 12. pp. 2809-2824.
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abstract = "The incidence of food allergies in western countries has increased dramatically in recent decades. Tolerance to food antigens relies on mucosal CD103+ dendritic cells (DCs), which promote differentiation of regulatory T (Treg) cells. We show that high-fiber feeding in mice improved oral tolerance and protected from food allergy. High-fiber feeding reshaped gut microbial ecology and increased the release of short-chain fatty acids (SCFAs), particularly acetate and butyrate. High-fiber feeding enhanced oral tolerance and protected against food allergy by enhancing retinal dehydrogenase activity in CD103+ DC. This protection depended on vitamin A in the diet. This feeding regimen also boosted IgA production and enhanced T follicular helper and mucosal germinal center responses. Mice lacking GPR43 or GPR109A, receptors for SCFAs, showed exacerbated food allergy and fewer CD103+ DCs. Dietary elements, including fiber and vitamin A, therefore regulate numerous protective pathways in the gastrointestinal tract, necessary for immune non-responsiveness to food antigens.",
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Dietary Fiber and Bacterial SCFA Enhance Oral Tolerance and Protect against Food Allergy through Diverse Cellular Pathways. / Tan, Jian; McKenzie, Craig; Vuillermin, Peter J.; Goverse, Gera; Vinuesa, Carola G.; Mebius, Reina E.; Macia, Laurence; Mackay, Charles R.

In: Cell Reports, Vol. 15, No. 12, 21.06.2016, p. 2809-2824.

Research output: Contribution to journalArticleResearchpeer-review

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