FoxO1/FKHR: Proteome Profiler Antibody Arrays

FoxO1, also called FKHR (forkhead in rhabdomyosarcoma), is a ubiquitously expressed member of the forkhead box O family of winged helix transcription factors. In neurons, it is activated in response to stress, translocating to the nucleus where it promotes apoptosis and blocks proliferation. In insulin-responsive tissues, nutrient abundance triggers phosphorylation by AKT that blocks nuclear translocation and activity.