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  1. The PI3K-AKT-mTOR signaling cascade is one of the most frequently upregulated pathways in prostate cancer, which potentiates multiple downstream signaling events to mediate a plethora of cellular processes that promote tumor growth and therapeutic resistance to current treatment regimens.

  2. Similar to ER in breast cancer, the inhibition of PI3K (with pan-PI3K inhibitors) or AKT, together with anti-AR therapy, led to tumor shrinkage. This has raised hopes for more durable disease control through combination of PI3K inhibitors and anti-AR therapy in prostate cancer with loss of PTEN.

  3. Sep 10, 2024 · Oncogenic PIK3CA mutations activate the PI3K pathway, promote tumor initiation and development, and mediate resistance to anti-tumor treatments, making the mutant p110α an excellent target for cancer therapy. PIK3CA mutations occur in two hotspot regions: one in the helical domain and the other in the kinase domain.

  4. Jan 28, 2020 · Contradictory reports exist in the literature regarding the prognostic value of PIK3CA in aggressive cancers, but most available data highlights an important role of PIK3CA mutation in mediating...

    • Owen Willis, Khalil Choucair, Abdurahman Alloghbi, Laura Stanbery, Rex Mowat, F Charles Brunicardi, ...
    • 2020
  5. Mar 13, 2023 · Although several PI3K inhibitors are approved for haematological malignancies, only alpelisib was approved in solid tumours and for the treatment of PIK3CA-related overgrowth spectrum (PROS)...

  6. Jun 14, 2021 · PI3K signalling is one of the most frequently aberrantly activated pathways in cancer, and early studies showed that the pan-PI3K inhibitors LY294002 and wortmannin could revert cancer cell...

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  8. Dec 1, 2021 · Loss or inactivation of PTEN has been shown to accelerate prostate cancer progression and castration-resistant growth. 13 Mutation or amplification of PI3K (particularly the p110 alpha catalytic subunit) is another common aberration detected in a wide range of cancers.

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