The transcription factor T-bet is best known to immunologists as a master regulator of T helper 1 cell differentiation. However, it is becoming apparent that T-bet has important functions in other leukocyte populations, including memory CD8+T cells, B cells, innate lymphoid cells, dendritic cells and natural killer cells. This Review discusses these emerging immunological roles for T-bet.
- Vanja Lazarevic
- Laurie H. Glimcher
- Graham M. Lord