The tissues are the site of many important immunological reactions, yet how the immune system is controlled at these sites remains opaque. Recent studies have identified Foxp3 regulatory T (Treg) cells in non-lymphoid tissues with unique characteristics compared with lymphoid Treg cells. However, tissue Treg cells have not been considered holistically across tissues.
View Article and Find Full Text PDFFOXP3-expressing regulatory T cells (T ) are indispensable for immune homeostasis and tolerance, and in addition tissue-resident T have been found to perform noncanonical, tissue-specific functions. For optimal tolerogenic function during inflammatory disease, T are equipped with mechanisms that assure lineage stability. T lineage stability is closely linked to the installation and maintenance of a lineage-specific epigenetic landscape, specifically a T -specific DNA demethylation pattern.
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