Cited by 122PI3K/AKT/mTOR signaling in cancerMetabolism, Diabetes, and CancerAdvanced Breast Cancer Therapies

Current State and Future Challenges for PI3K Inhibitors in Cancer Therapy

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Sirico, Marianna, D’Angelo, Alberto, Gianni, Caterina, Casadei, Chiara, Merloni, Filippo, De Giorgi, Ugo·2023·Cancers

Abstract

The phosphoinositide 3 kinase (PI3K)-protein kinase B (PKB/AKT)-mammalian target of the rapamycin (mTOR) axis is a key signal transduction system that links oncogenes and multiple receptor classes which are involved in many essential cellular functions. Aberrant PI3K signalling is one of the most commonly mutated pathways in cancer. Consequently, more than 40 compounds targeting key components of this signalling network have been tested in clinical trials among various types of cancer. As the oncogenic activation of the PI3K/AKT/mTOR pathway often occurs alongside mutations in other signalling networks, combination therapy should be considered. In this review, we highlight recent advances in the knowledge of the PI3K pathway and discuss the current state and future challenges of targeting this pathway in clinical practice.

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Crossref · 10.3390/cancers15030703

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  • The PI3K/AKT/mTOR pathway is a major downstream signaling cascade of EGFR and represents an important bypass mechanism contributing to resistance to cetuximab and panitumumab.

    “The phosphoinositide 3-kinase (PI3K)/AKT/mTOR pathway is a major downstream signaling cascade of EGFR and represents an important bypass mechanism contributing to resistance to cetuximab and panitumumab [40,41,42,43,44].”

    From Overcoming Resistance to Anti-EGFR Therapies: Mechanisms of Cetuximab and Panitumumab Resistance and Emerging Combination Strategies (2026) · cites this paper as [44]

    Section 2, “PI3K/AKT/mTOR Signalling in Cancer” (page not provided), links EGFR alterations to activation of the PI3K/AKT/mTOR pathway. Section 3, “Targeting PI3K Pathway in Cancer” (page not provided), says pathway hyperactivation can induce resistance to antitumour treatment. The copy does not identify the pathway as a bypass mechanism for resistance to cetuximab or panitumumab specifically. (LLM, conf=0.85)

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3 of the 174 references couldn’t be matched to a known paper.

Research works printed but not linked: 2

  1. [94]Capivasertib Plus Faslodex Reduced the Risk of Disease Progression or Death by 40% versus Faslodex in Advanced HR-Positive Breast Cancer Available online: https://www.astrazeneca.com/media-centre/press-releases/2022/capivasertib-pfs-in-hr-positive-breast-cancer.html (accessed on 8 December 2022)
  2. [109]MTOR Inhibition Induces Upstream Receptor Tyrosine Kinase Signaling and Activates Akt—PubMed Available online: https://pubmed.ncbi.nlm.nih.gov/16452206/ (accessed on 1 January 2023)

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Authors
Sirico, M., D’Angelo, A., Gianni, C., Casadei, C., Merloni, F., & De Giorgi, U.
Affiliations
  • Istituto Scientifico Romagnolo per lo Studio e la Cura dei Tumori (IT)
  • Royal United Hospital (GB)
  • Department of Medical Oncology, IRCCS Istituto Romagnolo per lo Studio dei Tumori (IRST) “Dino Amadori”, 47014 Meldola, Italy
Corresponding author
Sirico, Marianna
Venue
Cancers
Publisher
MDPI AG
Published
2023-01-23
Volume
15
Issue
3
Pages
703
ISSN
2072-6694 (ISSN-L)
OpenAlex
W4317907174
Cited by
121
References
174
Citations by year
2026: 31 · 2025: 47 · 2024: 33 · 2023: 10
FWCI
3.20
Type
journal article
Language
en
Open access
Locations
  • Cancers (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • Archivio istituzionale della ricerca (Alma Mater Studiorum Università di Bologna) (submittedVersion, other-oa)
  • AIRUS (submittedVersion)
Funders
Ministero della Salute
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › PI3K/AKT/mTOR signaling in cancer
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Metabolism, Diabetes, and Cancer
  • Health Sciences › Medicine › Pulmonary and Respiratory Medicine › Advanced Breast Cancer Therapies
Keywords
PI3K inhibitors, PI3K/AKT/mTOR pathway, cancer therapy, PI3K signaling, Akt, mTOR, combination therapy, clinical trials

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