ArticlebioRxiv : the preprint server for biology2026
TCR signal strength during positive selection shapes CD25 expression patterns on thymically derived regulatory T cells.
Article in bioRxiv : the preprint server for biology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Regulatory T cells (Tregs) are a suppressive subset of CD4 T cells that maintain immune homeostasis. Most Tregs develop in the thymus but how thymic selection impacts peripheral Treg fate remains unknown. Here we show that the strength of TCR signal experienced during positive selection in the thymic cortex impacts how CD4 SP thymocytes respond to Treg inducing signals in the medulla. Thymocytes that experienced weak signals during positive selection (identified as CD5
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