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Mechanism of Kemeng Fang's Inhibition of Podocyte Apoptosis in Rats with Membranous Nephropathy through the PI3K/AKT Signaling Pathway
Published on: August 23, 2024
Targeting the PI3K-Akt pathway in kidney cancer
Jin-Young Park1, Pei-yin Lin, Robert H Weiss
1Division of Nephrology, Department of Internal Medicine, Immunology Graduate Group, University of California, Davis, CA 95616, USA. jyppark@ucdavis.edu
Abstract:
Kidney cancer, or renal cell carcinoma, is a relatively rare malignancy but is metastatic at diagnosis in a third of patients; metastatic disease has a dismal prognosis. Conventional chemotherapy has been woefully inadequate, thus novel targets for 'designer' therapies are being actively evaluated. The PI3K-Akt signaling cascade, owing to its dual role in both survival and mitogenic signaling, is in theory an ideal therapeutic target for this disease, but may also represent its fatal flaw. Thus, largely due to toxicity issues, no PI3K or Akt inhibitors are currently ready for clinical application. In this review, we discuss PI3K-Akt inhibitors as well as inhibitors of pathways and targets both immediately up- and downstream of this cascade, many of which show promise in the clinic.
Insights
Kidney cancer that has spread has a poor outlook. Researchers are exploring new therapies targeting the PI3K-Akt pathway, but toxicity remains a challenge for current inhibitors.
Area of Science:
- Oncology
- Molecular Biology
- Pharmacology
Background:
- Kidney cancer (renal cell carcinoma) is rare but often metastatic at diagnosis, leading to poor prognoses.
- Conventional chemotherapy is largely ineffective for advanced kidney cancer.
- The PI3K-Akt signaling pathway is crucial for cell survival and growth, making it a potential therapeutic target.
Purpose of the Study:
- To review the status of PI3K-Akt inhibitors and related pathway modulators for kidney cancer treatment.
- To discuss the challenges and promise of targeting the PI3K-Akt cascade in renal cell carcinoma.
Main Methods:
- Literature review of PI3K-Akt inhibitors and associated signaling pathways.
- Analysis of preclinical and clinical data for targeted therapies in kidney cancer.
Main Results:
- While the PI3K-Akt pathway is a theoretically ideal target, current inhibitors face toxicity issues, limiting clinical application.
- Inhibitors of upstream and downstream components of the PI3K-Akt cascade show promise.
Conclusions:
- Targeting the PI3K-Akt pathway remains a significant area of research for kidney cancer.
- Further development is needed to overcome toxicity and optimize therapeutic strategies for renal cell carcinoma.
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