A Role For Intrathymic B Cells in the Generation of Natural Regulatory T Cells
B cells inhabit the normal human thymus, suggesting a role in T cell selection. In this study, we report that B cells can modulate thymic production of CD4+ Foxp3+ T cells (regulatory T cells [Tregs]). Mice with transgenic expression of BAFF (BAFF-Tg) harbor increased numbers of Helios+Foxp3+ thymic Tregs and, similar to some human autoimmune conditions, also exhibit increased numbers of B cells colonizing the thymus. Distinct intrathymic B cell subpopulations were identified, namely B220+,...[Show more]
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|Source:||Journal of Immunology|
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