Human CD4 memory T cells can become CD4+IL-9+ T cells.
Human CD4 memory T cells can become CD4+IL-9+ T cells.
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DOI:
10.1371/journal.pone.0008706
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发表时间:
2010-01-14
期刊:
影响因子:
3.7
通讯作者:
Strom TB
中科院分区:
文献类型:
--
作者:
Putheti P;Awasthi A;Popoola J;Gao W;Strom TB
IL-9 is a growth factor for T- and mast-cells that is secreted by human Th2 cells. We recently reported that IL-4+TGF-β directs mouse CD4+CD25−CD62L+ T cells to commit to inflammatory IL-9 producing CD4+ T cells. Here we show that human inducible regulatory T cells (iTregs) also express IL-9. IL-4+TGF-β induced higher levels of IL-9 expression in plate bound-anti-CD3 mAb (pbCD3)/soluble-anti-CD28 mAb (sCD28) activated human resting memory CD4+CD25−CD45RO+ T cells as compared to naïve CD4+CD25−CD45RA+ T cells. In addition, as compared to pbCD3/sCD28 plus TGF-β stimulation, IL-4+TGF-β stimulated memory CD4+CD25−CD45RO+ T cells expressed reduced FOXP3 protein. As analyzed by pre-amplification boosted single-cell real-time PCR, human CD4+IL-9+ T cells expressed GATA3 and RORC, but not IL-10, IL-13, IFNγ or IL-17A/F. Attempts to optimize IL-9 production by pbCD3/sCD28 and IL-4+TGF-β stimulated resting memory CD4+ T cells demonstrated that the addition of IL-1β, IL-12, and IL-21 further enhance IL-9 production. Taken together these data show both the differences and similarities between mouse and human CD4+IL9+ T cells and reaffirm the powerful influence of inflammatory cytokines to shape the response of activated CD4+ T cells to antigen.
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影响因子:
30.5
作者:
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通讯作者:
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Hilkens, CMU;Kalinski, P;Kapsenberg, ML
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