Autoimmunity is triggered by trafficking of self-reactive T cells into tissues. Joonsoo Kang and colleagues show that the kinase ITK regulates T cell trafficking. ITK inhibition or genetic ablation prevents homing of autoreactive T cells into tissues and reduces islet destruction in models of type 1 diabetes without affecting T cell activation or antiviral T cell responses, suggesting that this kinase may be targeted in autoimmune disease.
- Nitya Jain
- Bing Miu
- Joonsoo Kang