Artikel ; Online: Assessing IgE sensitization profiles to birch and timothy grass pollen allergens in birch pollen allergic blood donors using an oligoplex specific IgE assay.
Scandinavian journal of clinical and laboratory investigation
2023 Band 83, Heft 7, Seite(n) 444–447
Abstract: IgE sensitization profiles to single birch allergens in birch-sensitized patients differ among European countries. The aim of this study was to determine the distribution of specific IgE antibodies to major and minor birch pollen allergens in a ... ...
Abstract | IgE sensitization profiles to single birch allergens in birch-sensitized patients differ among European countries. The aim of this study was to determine the distribution of specific IgE antibodies to major and minor birch pollen allergens in a population of allergic Norwegian individuals by using a birch allergic blood donor population as a surrogate sample. Sixty blood donors were recruited and sampled based on birch allergy symptoms such as rhinitis, rhinoconjunctivitis and/or mild asthma in previous seasons. All sera were collected before start of the pollen season and tested using a line blot assay (Euroimmun AG, Lübeck, Germany) for IgE to birch and timothy pollen. Both extracts, single allergens, and cross-reacting carbohydrate determinants (CCD) were analysed. Only donors with specific IgE to birch and/or timothy grass were further evaluated. Specific IgE to birch pollen extract was found in 52 sera, and sensitization to timothy grass in 40 sera. Specific IgE to Bet v 1 was predominant in contrast to Bet v 4 which was absent. However, sensitization to the minor allergens Bet v 2 and 6 was always found together with high levels of IgE to Bet v 1. Subjects sensitized to the profilin Bet v 2 from birch were also sensitized to Phl p 12 from timothy grass. In conclusion, there was predominantly Bet v 1 sensitization in this cohort and low sensitization to minor allergens and cross-reactive allergens (Bet v 2, Bet v 4, Phl p 7 and Phl p 12). |
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Mesh-Begriff(e) | Humans ; Betula ; Phleum ; Blood Donors ; Immunoglobulin E ; Hypersensitivity/diagnosis ; Pollen ; Allergens ; Cross Reactions |
Chemische Substanzen | Immunoglobulin E (37341-29-0) ; Allergens |
Sprache | Englisch |
Erscheinungsdatum | 2023-11-30 |
Erscheinungsland | England |
Dokumenttyp | Journal Article |
ZDB-ID | 3150-1 |
ISSN | 1502-7686 ; 0036-5513 |
ISSN (online) | 1502-7686 |
ISSN | 0036-5513 |
DOI | 10.1080/00365513.2023.2255972 |
Datenquelle | MEDical Literature Analysis and Retrieval System OnLINE |
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