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Review
. 2020 Nov;20(11):680-693.
doi: 10.1038/s41577-020-0296-3. Epub 2020 Apr 8.

Modulation of regulatory T cell function and stability by co-inhibitory receptors

Liliana E Lucca  1 , Margarita Dominguez-Villar  2
Affiliations
Review

Modulation of regulatory T cell function and stability by co-inhibitory receptors

Liliana E Lucca et al. Nat Rev Immunol. 2020 Nov.

Abstract

Regulatory T (Treg) cells constitute a dynamic population that is essential for controlling immune responses in health and disease. Defects in Treg cell function and decreases in Treg cell numbers have been observed in patients with autoimmunity and the opposite effects on Treg cells occur in cancer settings. Current research on new therapies for these diseases is focused on modulating Treg cell function to increase or decrease suppressive activity in autoimmunity and cancer, respectively. In this regard, several co-inhibitory receptors that are preferentially expressed by Treg cells under homeostatic conditions have recently been shown to control Treg cell function and stability in different disease settings. These receptors could be amenable to therapeutic targeting aimed at modulating Treg cell function and plasticity. This Review summarizes recent data regarding the role of co-inhibitory molecules in the control of Treg cell function and stability, with a focus on their roles and potential therapeutic use in autoimmunity and cancer.

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