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Nature Medicine 14, 1315–1316 (1 December 2008) | doi:10.1038/nm1208-1315

Targeting RAS and PI3K in lung cancer

Julian Downward

Two crucial interlinked growth and survival signaling pathways have received enormous attention as targets for tumor therapy. One involves PI3K and downstream targets such as the protein kinase Akt (also known as protein kinase B).