Abstract:
:γδ T cells, known to be an important source of innate IL-17 in mice, provide critical contributions to host immune responses. Development and function of γδ T cells are directed by networks of diverse transcription factors (TFs). Here, we examine the role of the zinc finger TFs, Kruppel-like factor 10 (KLF10), in the regulation of IL-17-committed CD27- γδ T (γδ27--17) cells. We found selective augmentation of Vγ4+ γδ27- cells with higher IL-17 production in KLF10-deficient mice. Surprisingly, KLF10-deficient CD127hi Vγ4+ γδ27--17 cells expressed higher levels of CD5 than their wild-type counterparts, with hyper-responsiveness to cytokine, but not T-cell receptor, stimuli. Thymic maturation of Vγ4+ γδ27- cells was enhanced in newborn mice deficient in KLF10. Finally, a mixed bone marrow chimera study indicates that intrinsic KLF10 signaling is requisite to limit Vγ4+ γδ27--17 cells. Collectively, these findings demonstrate that KLF10 regulates thymic development of Vγ4+ γδ27- cells and their peripheral homeostasis at steady state.
journal_name
Front Immunoljournal_title
Frontiers in immunologyauthors
Kim G,Gu MJ,Kim SJ,Ko KH,Kye YC,Kim CG,Cho JH,Lee WK,Song KD,Chu H,Park YM,Han SH,Yun CHdoi
10.3389/fimmu.2018.00196subject
Has Abstractpub_date
2018-02-28 00:00:00pages
196issn
1664-3224journal_volume
9pub_type
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