The cytokine TGF-β signals through canonical, Smad-dependent, and non-canonical, Smad-independent pathways. Jung et al. show that Smad6, an inhibitor of canonical TGF-β signalling, also inhibits a non-canonical pathway by recruiting a deubiquitinase to TRAF6.
- Su Myung Jung
- Ji-Hyung Lee
- Seok Hee Park