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Title: A subpopulation of high IL-21-producing CD4+ T cells in Peyer’s Patches is induced by the microbiota and regulates germinal centers
Authors: Jones, Leigh
Ho, Wen Qi
Ying, Sze
Ramakrishna, Lakshmi
Srinivasan, Kandhadayar G.
Yurieva, Marina
Ng, Wan Pei
Subramaniam, Sharrada
Hamadee, Nur H.
Joseph, Sabrina
Dolpady, Jayashree
Atarashi, Koji
Honda, Kenya
Zolezzi, Francesca
Poidinger, Michael
Lafaille, Juan J.
Curotto de Lafaille, Maria A.
Keywords: CD4+ T Lymphocyte
Cell Culture
DRNTU::Science::Biological sciences
Issue Date: 2016
Source: Jones, L., Ho, W. Q., Ying, S., Ramakrishna, L., Srinivasan, K. G., Yurieva, M., . . . Curotto de Lafaille, M. A. (2016). A subpopulation of high IL-21-producing CD4+ T cells in Peyer’s Patches is induced by the microbiota and regulates germinal centers. Scientific Reports, 6, 30784-. doi:10.1038/srep30784
Series/Report no.: Scientific Reports
Abstract: The production of IL-21 by T follicular helper (Tfh) cells is vital in driving the germinal centre reaction and high affinity antibody formation. However, the degree of Tfh cell heterogeneity and function is not fully understood. We used a novel IL-21eGFP reporter mouse strain to analyze the diversity and role of Tfh cells. Through the analysis of GFP expression in lymphoid organs of IL-21eGFP mice, we identified a subpopulation of GFP+, high IL-21 producing Tfh cells present only in Peyer’s Patches. GFP+Tfh cells were found to be polyclonal and related to GFP−Tfh cells of Peyer’s Patches in TCR repertoire composition and overall gene expression. Studies on the mechanisms of induction of GFP+Tfh cells demonstrated that they required the intestinal microbiota and a diverse repertoire of CD4+ T cells and B cells. Importantly, ablation of GFP+ cells resulted in a reduced frequency of Peyer’s Patches IgG1 and germinal center B cells in addition to small but significant shifts in gut microbiome composition. Our work highlights the diversity among IL-21 producing CD4+ Tfh cells, and the interrelationship between the intestinal bacteria and Tfh cell responses in the gut.
DOI: 10.1038/srep30784
Schools: School of Biological Sciences 
Rights: © 2016 The Authors (Nature Publishing Group). This work is licensed under a Creative Commons Attribution 4.0 International License. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material. To view a copy of this license, visit
Fulltext Permission: open
Fulltext Availability: With Fulltext
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