Regulatory T cells maintain immune homeostasis and help control development of autoimmunity and allergy. Arroyo-Hornero et al show that upon prolonged stimulation, regulatory T cells may switch to an immunostimulatory phenotype by upregulating the expression of the co-stimulatory molecule CD70.
- Rebeca Arroyo Hornero
- Christos Georgiadis
- Joanna Hester
