Recent single-cell RNA-sequencing studies have revealed a range of intratumoural T cell states, both within and between patients. This Review outlines the CD8+ T cell states that have been identified in human tumours and the potential roles they play in tumour control as well as how they are influenced by immune checkpoint blockade.
- Anne M. van der Leun
- Daniela S. Thommen
- Ton N. Schumacher