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Hils, M.* ; Wölbing, F.* ; Hilger, C.* ; Fischer, J.* ; Hoffard, N.* ; Biedermann, T.

The history of carbohydrates in type I allergy.

Front. Immunol. 11:586924 (2020)
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Although first described decades ago, the relevance of carbohydrate specific antibodies as mediators of type I allergy had not been recognized until recently. Previously, allergen specific IgE antibodies binding to carbohydrate epitopes were considered to demonstrate a clinically irrelevant cross-reactivity. However, this changed following the discovery of type I allergies specifically mediated by oligosaccharide structures. Especially the emerging understanding of red meat allergy characterized by IgE directed to the oligosaccharide alpha-gal showed that carbohydrate-mediated reactions can result in life threatening systemic anaphylaxis which in contrast to former assumptions proves a high clinical relevance of some carbohydrate allergens. Within the scope of this review article, we illustrate the historical development of carbohydrate-allergen-research, reaching from only diagnostically relevant crossreactive-carbohydrate-determinants to clinically important antigens mediating type I allergy. Focusing on clinical and immunological features of the alpha-gal syndrome, we highlight the discovery of oligosaccharides as potentially highly immunogenic antigens and mediators of type I allergy, report what is known about the route of sensitization and the immunological mechanisms involved in sensitization and elicitation phase of allergic responses as well as currently available diagnostic and therapeutic tools. Finally, we briefly report on carbohydrates being involved in type I allergies different from alpha-gal.
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Publication type Article: Journal article
Document type Review
Keywords Alpha-gal ; Carbohydrate ; Allergen ; Crossreactive Carbohydrate Determinants ; Glycolipid ; Glycoprotein ; Ige ; Type I Allergy; Red Meat Allergy; Killer T-cells; Natural Anti-gal; Alpha-gal; Ige-antibodies; Alpha-1,3-galactosyltransferase Gene; Cross-reactivity; Immunoglobulin-e; B-lymphocytes; N-glycans
Language english
Publication Year 2020
HGF-reported in Year 2020
ISSN (print) / ISBN 1664-3224
e-ISSN 1664-3224
Quellenangaben Volume: 11, Issue: , Pages: , Article Number: 586924 Supplement: ,
Publisher Frontiers
Publishing Place Avenue Du Tribunal Federal 34, Lausanne, Ch-1015, Switzerland
Reviewing status Peer reviewed
POF-Topic(s) 30202 - Environmental Health
Research field(s) Allergy
PSP Element(s) G-522200-001
Grants 395357507 - SFB1371 P06
SFB 1335 P17
BI696/10-1
SFB 824 B10
Deutsche Forschungsgemeinschaft (DFG, German Research foundation)
Luxembourg National Research Fund (FNR)
Scopus ID 85094097789
PubMed ID 33163001
Erfassungsdatum 2020-11-16