Your immune system is strong, so it needs a referee. Regulatory T cells keep the peace and make sure defenders don't attack your own body.
Drag to turn it around. Use the buttons to zoom in and try things from the lessons.
The 3D model can't load right now. Check your internet connection, or try a different web browser.
Regulatory T cells are a kind of T cell. People often call them Tregs (say "TEE-regs").
They look a lot like other T cells: small and round, with a big nucleus. They travel in your blood and visit your lymph nodes and other body parts.
In 2025, three scientists won a Nobel Prize for discovering how these peacekeeper cells protect the body.
Without Tregs, the immune system could hurt the body it is supposed to protect.
Scroll up to the 3D model and press Send calm-down signals.