Departmental Bulletin Paper 腸内微生物叢を介した食物アレルギー制御の可能性について ~食物アレルギーに対する食事療法の確立にむけて~
Regulation of Food Allergy via Microbiota

野村, 卓正  ,  千葉, 歩美  ,  Nomura, Takamasa  ,  Chiba, Ayumi

7pp.29 - 46 , 2016-03-31 , 仁愛大学
Food allergy is a pathological condition in which the immune system's tolerance of food antigensis disordered. In peripheral tissues, regulatory T cells are an important T cell subset for inducingimmune tolerance to food allergens. The groups of commensal bacteria Clostridium cluster IV andXIVa are identified as an inducer of regulatory T cells in the gut. It was also clarified that butyricacid, one of metabolites from these bacteria, is an inducer of regulatory T cells. These findingssuggest that butyric acid produced by these bacteria is an important metabolite for regulation of gutimmune systems and food allergy. However, it was unclear what dietary nutrients are substrates forfermentation of these bacteria in order to produce butyric acid.In this paper, an outline is given of current findings for microbiota and metabolites, gut mucosalimmunity, dietary fibers and oligosaccharides, and the prebiotic effect of dietary fibers on theregulation of allergy is reviewed.

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