期刊
ALLERGY
卷 70, 期 10, 页码 1340-1345出版社
WILEY-BLACKWELL
DOI: 10.1111/all.12691
关键词
bee venom; regulatory T cells; venomspecific immunotherapy
资金
- Fundacao para a Ciencia e Tecnologia [PTDC/DTP-PIC/0508/2012]
- Fundação para a Ciência e a Tecnologia [PTDC/DTP-PIC/0508/2012] Funding Source: FCT
Venom-specific immunotherapy (VIT) is well recognized by its efficacy, and compelling evidence implicates regulatory T cells (Tregs) in the underlying tolerogenic mechanisms. Additionally, hymenoptera venom has for a long time been claimed to modulate immunity. Here, we investigated the putative role of bee venom (Bv) in human FOXP3-expressing Treg homeostasis and differentiation, irrespective of the donors' allergic status. We found that Bv significantly enhanced the differentiation of FOXP3-expressing cells both from conventional naive CD4 T cells and mature CD4 thymocytes, a property that may contribute to the VIT's capacity to expand circulating Tregs in allergic individuals. We expect that our data enlightening the Treg-mediated immunomodulatory properties of Bv regardless of TCR specificity, to have application in other allergies, as well as in other clinical settings, such as autoimmunity and transplantation.
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