PI3K signaling pathways ... AKT regulates the cell cycle by phosphorylating FoxO1 and decreasing its transcription of CDK inhibitors p21 and p27. AKT, protein kinase B; CDK, cyclin dependent ...
and Forkhead/FOXO1. As with other molecularly targeted agents such as imatinib mesylate (Gleevec) and trastuzumab (Herceptin), the success of PI3K inhibitors will probably depend on the selection ...