Jutel, M.* ; Agache, I.* ; Zemelka-Wiacek, M.* ; Akdis, M.* ; Chivato, T.* ; Del Giacco, S.* ; Gajdanowicz, P.* ; Gracia, I.E.* ; Klimek, L.* ; Lauerma, A.* ; Ollert, M.* ; O'Mahony, L.* ; Schwarze, J.* ; Shamji, M.H.* ; Skypala, I.* ; Palomares, O.* ; Pfaar, O.* ; Torres, M.J.* ; Bernstein, J.A.* ; Cruz, A.A.* ; Durham, S.R.* ; Galli, S.J.* ; Gómez, R.M.* ; Guttman-Yassky, E.* ; Haahtela, T.* ; Holgate, S.T.* ; Izuhara, K.* ; Kabashima, K.* ; Larenas-Linnemann, D.E.* ; von Mutius, E. ; Nadeau, K.C.* ; Pawankar, R.* ; Platts-Mills, T.A.E.* ; Sicherer, S.H.* ; Park, H.S.* ; Vieths, S.* ; Wong, G.* ; Zhang, L.* ; Bilo, M.B.* ; Akdis, C.A.*
     
    
        
Nomenclature of allergic diseases and hypersensitivity reactions: Adapted to modern needs: An EAACI position paper.
    
    
        
    
    
        
        Allergy 78, 2851-2874 (2023)
    
    
    
      
      
	
	    The exponential growth of precision diagnostic tools, including omic technologies, molecular diagnostics, sophisticated genetic and epigenetic editing, imaging and nano-technologies and patient access to extensive health care, has resulted in vast amounts of unbiased data enabling in-depth disease characterization. New disease endotypes have been identified for various allergic diseases and triggered the gradual transition from a disease description focused on symptoms to identifying biomarkers and intricate pathogenetic and metabolic pathways. Consequently, the current disease taxonomy has to be revised for better categorization. This European Academy of Allergy and Clinical Immunology Position Paper responds to this challenge and provides a modern nomenclature for allergic diseases, which respects the earlier classifications back to the early 20th century. Hypersensitivity reactions originally described by Gell and Coombs have been extended into nine different types comprising antibody- (I-III), cell-mediated (IVa-c), tissue-driven mechanisms (V-VI) and direct response to chemicals (VII). Types I-III are linked to classical and newly described clinical conditions. Type IVa-c are specified and detailed according to the current understanding of T1, T2 and T3 responses. Types V-VI involve epithelial barrier defects and metabolic-induced immune dysregulation, while direct cellular and inflammatory responses to chemicals are covered in type VII. It is notable that several combinations of mixed types may appear in the clinical setting. The clinical relevance of the current approach for allergy practice will be conferred in another article that will follow this year, aiming at showing the relevance in clinical practice where various endotypes can overlap and evolve over the lifetime.
	
	
	    
	
       
      
	
	    
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        Publication type
        Article: Journal article
    
 
    
        Document type
        Review
    
 
    
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        Keywords
        Eaaci Position Paper ; Allergic Diseases ; Hypersensitivity ; Nomenclature ; Pathophysiology And Mechanism; T-cell; Immune-responses; Mast-cells; Chronic Rhinosinusitis; Revised Nomenclature; Atopic-dermatitis; Arthus Reaction; Gut Microbiota; Fc-receptors; Endotypes
    
 
    
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        Language
        english
    
 
    
        Publication Year
        2023
    
 
    
        Prepublished in Year
        0
    
 
    
        HGF-reported in Year
        2023
    
 
    
    
        ISSN (print) / ISBN
        0105-4538
    
 
    
        e-ISSN
        1398-9995
    
 
    
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	    Volume: 78,  
	    Issue: 11,  
	    Pages: 2851-2874 
	    Article Number: ,  
	    Supplement: ,  
	
    
 
    
        
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            Publisher
            Wiley
        
 
        
            Publishing Place
            111 River St, Hoboken 07030-5774, Nj Usa
        
 
	
        
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        Reviewing status
        Peer reviewed
    
 
    
        Institute(s)
        Institute of Asthma and Allergy Prevention (IAP)
    
 
    
        POF-Topic(s)
        30202 - Environmental Health
    
 
    
        Research field(s)
        Allergy	
    
 
    
        PSP Element(s)
        G-503300-001
    
 
    
        Grants
        We would like to thank Anna Globinska for the elaboration of all the figures in the Allergy style.
    
 
    
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        Erfassungsdatum
        2023-11-28