Document Detail

The role of dendritic cells in food allergy.
MedLine Citation:
PMID:  22464669     Owner:  NLM     Status:  MEDLINE    
In recent years, our understanding of the initiation of T(H)2-type immunity has increased significantly, yet the mechanism behind the induction of T(H)2 responses and allergic sensitization to food antigens largely remains an enigma. Dendritic cells (DCs) were first described almost 4 decades ago and have since been recognized as the most important antigen-presenting cells and crucial in the induction of T-cell differentiation. Here we discuss our current knowledge of the role of DCs in food allergy. In both murine models and allergic patients, characteristics of DCs have been identified that might play a role in sensitization to food and enhance susceptibility to food allergy. In addition, it has now been shown that several allergens, including some from foods, can directly activate DCs to induce T(H)2 skewing. Other cell types with innate immune functions, such as epithelial cells and basophils, might also be involved in sensing of food allergens in human subjects, and interaction of DCs with these cells might facilitate sensitization. DCs appear to play an important role in allergen-specific immunotherapy and could be an attractive target for tolerance induction in patients with food allergy. Further characterization of differences in DC responses between human food-allergic and nonallergic subjects is necessary to gain a better insight into the role of DCs in sensitization and tolerance to food allergens.
Bert Ruiter; Wayne G Shreffler
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Publication Detail:
Type:  Journal Article; Review    
Journal Detail:
Title:  The Journal of allergy and clinical immunology     Volume:  129     ISSN:  1097-6825     ISO Abbreviation:  J. Allergy Clin. Immunol.     Publication Date:  2012 Apr 
Date Detail:
Created Date:  2012-04-02     Completed Date:  2012-07-09     Revised Date:  2013-06-20    
Medline Journal Info:
Nlm Unique ID:  1275002     Medline TA:  J Allergy Clin Immunol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  921-8     Citation Subset:  AIM; IM    
Copyright Information:
Copyright © 2012 American Academy of Allergy, Asthma & Immunology. Published by Mosby, Inc. All rights reserved.
Center for Immunology and Inflammatory Diseases and the Food Allergy Center, Harvard Medical School, Boston, MA, USA.
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MeSH Terms
Allergens / immunology
Dendritic Cells / immunology*
Desensitization, Immunologic
Food Hypersensitivity / immunology*,  therapy
Immune Tolerance
Immunity, Innate / immunology
Th2 Cells / immunology
Grant Support
Reg. No./Substance:

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