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How to kill Treg cells for immunotherapy

Achieving depletion of regulatory T cells while sparing tumor-specific effector T cells has long remained an elusive goal of immunotherapy. A new study describing the development of an antibody to the cytokine receptor CD25 optimized to ensure depletion of regulatory T cells without blocking binding of the cytokine IL-2 will reinvigorate interest in this therapeutic avenue.

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Fig. 1: Anti-CD25NIB depletes organisms of Treg cells to enhance tumor killing.


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Correspondence to James L. Riley.

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Ellis, G.I., Riley, J.L. How to kill Treg cells for immunotherapy. Nat Cancer 1, 1134–1135 (2020).

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