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PI3K/AKT/mTOR signaling transduction pathway and targeted therapies in cancer

Glaviano, Antonino, Foo, Aaron S. C., Lam, Hiu Y., Yap, Kenneth C. H., Jacot, William, Jones, Robert H. ORCID:, Eng, Huiyan, Nair, Madhumathy G., Makvandi, Pooyan, Geoerger, Birgit, Kulke, Matthew H., Baird, Richard D., Prabhu, Jyothi S., Carbone, Daniela, Pecoraro, Camilla, Teh, Daniel B. L., Sethi, Gautam, Cavalieri, Vincenzo, Lin, Kevin H., Javidi-Sharifi, Nathalie R., Toska, Eneda, Davids, Matthew S., Brown, Jennifer R., Diana, Patrizia, Stebbing, Justin, Fruman, David A. and Kumar, Alan P. 2023. PI3K/AKT/mTOR signaling transduction pathway and targeted therapies in cancer. Molecular Cancer 22 , 138. 10.1186/s12943-023-01827-6

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The PI3K/AKT/mTOR (PAM) signaling pathway is a highly conserved signal transduction network in eukaryotic cells that promotes cell survival, cell growth, and cell cycle progression. Growth factor signalling to transcription factors in the PAM axis is highly regulated by multiple cross-interactions with several other signaling pathways, and dysregulation of signal transduction can predispose to cancer development. The PAM axis is the most frequently activated signaling pathway in human cancer and is often implicated in resistance to anticancer therapies. Dysfunction of components of this pathway such as hyperactivity of PI3K, loss of function of PTEN, and gain-of-function of AKT, are notorious drivers of treatment resistance and disease progression in cancer. In this review we highlight the major dysregulations in the PAM signaling pathway in cancer, and discuss the results of PI3K, AKT and mTOR inhibitors as monotherapy and in co-administation with other antineoplastic agents in clinical trials as a strategy for overcoming treatment resistance. Finally, the major mechanisms of resistance to PAM signaling targeted therapies, including PAM signaling in immunology and immunotherapies are also discussed.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Medicine
Publisher: BioMed Central
ISSN: 1476-4598
Date of First Compliant Deposit: 18 July 2023
Date of Acceptance: 18 July 2023
Last Modified: 06 Sep 2023 18:31

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