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| Home > Publications database > DNA hypomethylation traits define human regulatory T cells in cutaneous tissue and identify their blood recirculating counterparts. |
| Home > Publications database > DNA hypomethylation traits define human regulatory T cells in cutaneous tissue and identify their blood recirculating counterparts. |
| Journal Article | DKFZ-2025-01438 |
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2025
Springer Nature Limited
London
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Please use a persistent id in citations: doi:10.1038/s41590-025-02210-x
Abstract: CD4+ regulatory T (Treg) cells in tissues play crucial immunoregulatory and regenerative roles. Despite their importance, the epigenetics and differentiation of human tissue Treg cells are incompletely understood. Here, we performed genome-wide DNA methylation analysis of human Treg cells from skin and blood and integrated these data into a multiomic framework, including chromatin accessibility and gene expression. This analysis identified programs that governed the tissue adaptation of skin Treg cells. We found that subfamilies of transposable elements represented a major constituent of the hypomethylated landscape in tissue Treg cells. Based on T cell antigen receptor sequence and DNA hypomethylation homologies, our data indicate that blood CCR8+ Treg cells contain recirculating human skin Treg cells. Conversely, differences in chromatin accessibility and gene expression suggest a certain reversal of the tissue adaptation program during recirculation. Our findings provide insights into the biology of human tissue Treg cells, which may help harness these cells for therapeutic purposes.
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