Inflammatory cells invade the brain after stroke, but their role in disease has been unclear. Now, Akihiko Yoshimura and colleagues report that a particular population of T cells that express the inflammatory cytokine IL-17 plays a key role in stroke progression: depletion of these cells—even as late as 1 day after stroke—can alleviate brain injury in mice pages 844–846).
- Takashi Shichita
- Yuki Sugiyama
- Akihiko Yoshimura
