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In chronic spontaneous urticaria, IgE against staphylococcal enterotoxins is common and functional
Filename | 317. Altrichter et al., CSU staph., Allergy 2018.pdf |
Filesize | 472,49 kB |
Version | o.317 |
Date added | Juni 13, 2020 |
Downloaded | 0 times |
Category | Original Work |
Tags | chronic spontaneous urticaria, sIgE, staphylococcal superantigens, total IgE |
Authors | Altrichter, S., Hawro, T., Liedtke, M., Holtappels, G., Bachert, C., Stahl Skov, P., and Maurer, M. |
Citation | Altrichter, S., Hawro, T., Liedtke, M., Holtappels, G., Bachert, C., Stahl Skov, P., and Maurer, M.: In chronic spontaneous urticaria, IgE against staphylococcal enterotoxins is common and functional. Allergy 2018: 73; 1497-1504. |
Corresponding authors | Maurer, M. |
DocNum | O.317 |
DocType | |
Edition; Page | 73; 1497-1504 |
IF | 6.77 |
Publisher | Allergy |
ReleaseDate | 2018 |
Background: Chronic spontaneous urticaria (CSU) is a frequent disorder with recur- rent itchy wheals and/or angioedema. Despite the known effectiveness of omal- izumab therapy, the relevant IgE antigens are largely unknown. Recently, increased rates of elevated levels of IgE towards Staphylococcus aureus enterotoxins (SEs) were described in CSU.
Aim: To assess the prevalence and functional relevance of IgE to SEs in CSU.
Method: We investigated serum levels of IgE against SEs in 49 CSU patients and in 15 CSU patients additional specific IgE to SE components and basophil histamine release (BHR). Sera of 15 healthy controls (HCs) served as control group.
Results: Twenty-five (51%) of the CSU patients had detectable levels of SE-IgE as compared to 5 (33%) of HCs. Specific IgE to one of the SEs, Staphylococcus entero- toxin B (SEB), was present in 5 (33%) of 15 randomly selected CSU patients vs 3 (20%) of HC. Total IgE serum levels in CSU patients were significantly correlated with SE-IgE (r = .52, P < .001) and SEB-IgE (r = .54, P = .04) serum concentrations. Interestingly, SEB-IgE levels were strongly correlated with disease activity (UASday) in CSU patients (r = .657, P = .01). Furthermore, BHR in response to SEB was sig- nificantly higher in basophils loaded with the serum of CSU patients compared to HC (P < .05) and was clinically correlated with duration of disease (r > .51, P < .05).
Discussion: IgE against SEs may contribute to the pathogenesis of CSU in a sub- population of patients. Its role and relevance in the pathophysiology of CSU need to be further analysed.
(Last update: 05.2024)
Number of original publications in peer-reviewed journals: | 599 |
Number of reviews in peer-reviewed journals: | 217 |
Number of publications (original work and reviews) in peer-reviewed journals: | 816 |
Cumulative IF for original publications in peer-reviewed journals: | 4346.09 |
Cumulative IF for reviews in peer-reviewed journals: | 1699.02 |
Cumulative IF of publications (original work & reviews) in peer-reviewed journals: | 6060.11 |
Total number of citations: 36,239, h-index: 98 (Web of Science May 2024) | 36239 |
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