BATF3 is a member of the AP-1 transcription factor family. Kastenmüller and colleagues show that BATF3 is needed to promote memory CD8+ T cell responses. Activated CD8+ T cells transiently upregulate BATF3, which in turn suppresses expression of proapoptotic BIM to promote cell survival.
- Marco A. Ataide
- Karl Komander
- Wolfgang Kastenmüller