TSLP Directly Interacts with Skin-Homing Th2 Cells Highly Expressing its Receptor to Enhance IL-4 Production in Atopic Dermatitis

DOI Web Site Web Site PubMed 被引用文献9件 参考文献23件

書誌事項

公開日
2015-12
資源種別
journal article
権利情報
  • https://www.elsevier.com/tdm/userlicense/1.0/
  • https://www.elsevier.com/legal/tdmrep-license
  • http://www.elsevier.com/open-access/userlicense/1.0/
DOI
  • 10.1038/jid.2015.318
公開者
Elsevier BV

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説明

Thymic stromal lymphopoietin (TSLP) is overtly expressed on skin lesions of atopic dermatitis (AD), and the initiative role of TSLP-activated DCs in AD has gained much attention in the past few years, while its actions on other immune cells such as T cells have been given less notice. We aimed to clarify whether TSLP receptor (TSLPR) is expressed on certain populations of T cells and whether TSLP possesses the capability to directly interact with T cells from AD patients. Peripheral lymphocytes from 51 AD patients are analyzed by flow cytometry, and ex vivo experiments using peripheral blood and lesional skin-derived T cells were conducted. TSLPR expression was defined to CD4+ T cells, and CD4+CCR4+CXCR3-CCR7-CCR10+CLA+ T cells in AD patients exhibited enhanced TSLPR expression. The frequency of TSLPR+CD4+ T cells correlated with disease activity. CD4+ T cells from AD patients directly interacted with TSLP to produce a higher amount of IL-4 than those from normal subjects, and this action was attenuated with anti-TSLPR antibody. The importance of IL-4 in the induction of TSLPR expression was found in AD T cells. Our findings indicate that T cells from AD patients possess strong potential to directly interact with TSLP to promote Th2 response.

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