Abstract
Objectives and design
Here we evaluated whether allergic rhinitis to Dermatophagoides pteronyssinus induces alterations on circulating B cell subsets.
Materials and methods
Circulating B cell subsets and isotype expression on antigen-experienced B cells from allergic patients under conventional pharmacological treatment (NO-SIT, n = 15) and under subcutaneous immunotherapy (SCIT, n = 33), and non-allergic subjects (NC, n = 25) were analyzed by flow cytometry.
Results
In allergic patients, we found a significant decrease in IgM+ and IgG+ memory B cells and an increase in IgA+ memory B cells. Additionally, the numbers of circulating IgA+ plasmablasts in allergic patients were also increased, while those cells expressing IgM were reduced.
Conclusions
Allergic patients have a disturbed B cell subsets distribution which seems to underlie rhinitis pathogenesis and remain unchanged after SCIT.
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Responsible Editor: Mauro Teixeira.
A. Henriques and R. Nunes have equally contributed to this work and both should be considered as first author.
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Henriques, A., Nunes, R., Loureiro, G. et al. Alterations on peripheral blood B cell subsets induced by allergic rhinitis. Inflamm. Res. 64, 145–149 (2015). https://doi.org/10.1007/s00011-015-0803-3
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DOI: https://doi.org/10.1007/s00011-015-0803-3