IL-2-producing TFH cells sustain Treg cell homeostasis and immune tolerance in the gut

From the report

Nature Immunology, Published online: 21 October 2026; doi:10.1038/s41590-026-02690-5Ballesteros-Tato and colleagues identify a spatially restricted follicular helper T cell-dependent interleukin-2 niche critical for regulatory T cell stability in gut-associated lymphoid tissues.