Poly-functional helper T cells can have a stronger effect than mono-functional T cells, but whether the response is qualitatively different is not clear. Here the authors show that a population of IL-17+IL-22+, but not single IL-22+, CD4+ T cells are induced by TGF-β, enriched in patients with colorectal cancer (CRC) and drive CRC progression in mice.
- Laura Garcia Perez
- Jan Kempski
- Samuel Huber