Metformin is an anti-diabetic drug that has shown promise to reduce M. tuberculosis susceptibility. Here the authors show that this effect is a result of metformin-mediated activation of anti-mycobacterial memory-like antigen-inexperienced CD8+CXCR3+ T cells, an effect that also boosts response to BCG vaccination.
- Julia Böhme
- Nuria Martinez
- Amit Singhal