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Updated: Nov 15, 2025

miRNA Expression Analyses in Prostate Cancer Clinical Tissues
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miRNA Expression Analyses in Prostate Cancer Clinical Tissues

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Signaling Pathways That Control Apoptosis in Prostate Cancer

Amaal Ali1, George Kulik2,3

  • 1Life Sciences Program, Alfaisal University, Riyadh 11533, Saudi Arabia.

Cancers
|March 6, 2021
PubMed

Insights

Prostate cancer therapies targeting androgen receptors can fail, leading to castration-resistant prostate cancer (CRPC). Understanding non-cell-autonomous apoptosis regulation is key to developing new CRPC treatments.

Area of Science:

  • Oncology
  • Molecular Biology
  • Cell Biology

Background:

  • Prostate cancer is a leading cause of cancer death in men globally.
  • Current androgen receptor-targeted therapies are effective but often lead to castration-resistant prostate cancer (CRPC).
  • Androgen receptor signaling in prostate cancer is increasingly understood to involve non-cell-autonomous mechanisms, particularly paracrine factors from stromal cells.

Purpose of the Study:

  • To review recent advances in understanding apoptosis mechanisms in prostate epithelial cells following androgen ablation.
  • To highlight the role of BCL-2 family proteins and druggable signaling pathways in prostate cancer apoptosis.
  • To summarize ongoing clinical trials for inhibitors targeting anti-apoptotic signaling pathways in CRPC.

Main Methods:

  • Literature review of recent studies on prostate cancer apoptosis.
  • Focus on androgen ablation effects on prostate epithelial cells.
  • Analysis of BCL-2 family proteins and related signaling pathways.

Main Results:

  • Androgen receptor signaling does not solely regulate prostate epithelial cell apoptosis and proliferation autonomously.
  • Stromal androgen receptor activation induces paracrine factors crucial for prostate epithelial homeostasis.
  • BCL-2 family proteins and specific signaling pathways are key regulators of apoptosis in this context.

Conclusions:

  • A deeper understanding of apoptosis regulation in prostate epithelial cells is essential for deciphering CRPC mechanisms.
  • Identifying paracrine factors and targeted pathways can lead to novel, life-extending therapies for CRPC.
  • Targeting anti-apoptotic signaling pathways shows promise in clinical trials for advanced prostate cancer.
Keywords:
CRPCandrogen independenceapoptosisclinical trialsprostate cancersignaling

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