Regulation gone wrong: A subset of sézary patients have malignant regulatory t cells

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Abstract

Cutaneous T-cell lymphomas (CTCLs) are non-Hodgkin's lymphomas derived from T cells that home to and inhabit the skin. There are conflicting reports as to whether CTCLs represent a malignancy of regulatory T cells (Tregs), a T-cell subset that can suppress local immune reactions. In this issue, Heid et al. present convincing evidence that the malignant T cells in a subgroup of Sézary patients are FOXP3 + regulatory T cells. Clonal malignant T cells showed increased expression of the Treg-associated transcription factor FOXP3 and demethylation of the FOXP3 gene locus, and T cells from at least some of these patients suppressed T-cell proliferation in vitro. © 2009 The Society for Investigative Dermatology.

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Clark, R. A. (2009). Regulation gone wrong: A subset of sézary patients have malignant regulatory t cells. Journal of Investigative Dermatology. Nature Publishing Group. https://doi.org/10.1038/jid.2009.290

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