Tissue-resident immune cells are important for local protections from pathogens. Here the authors show that brain tissue-resident memory T cells (TRM cells) can be further subsetted by CD103 expression, with higher CD103 correlates with increased chemokine receptor and exhaustion markers such as PD1 or CTLA4, but reduced differentiation markers.
- Joost Smolders
- Kirstin M. Heutinck
- Jörg Hamann