Regulatory T cells keep the immune system in check to maintain homeostasis and restrain inflammation. This Review discusses strategies to harness these cells therapeutically for autoimmunity, transplant tolerance or cancer, for example, by boosting their endogenous function, depleting them or administering them as engineered cell-based therapies.
- Christine M. Wardell
- Dominic A. Boardman
- Megan K. Levings
