Related Experiment Video

Updated: Sep 4, 2025

A Bioluminescent and Fluorescent Orthotopic Syngeneic Murine Model of Androgen-dependent and Castration-resistant Prostate Cancer
07:25

A Bioluminescent and Fluorescent Orthotopic Syngeneic Murine Model of Androgen-dependent and Castration-resistant Prostate Cancer

Published on: March 6, 2018

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The Androgen Receptor and Its Crosstalk With the Src Kinase During Castrate-Resistant Prostate Cancer Progression

Lin Gao1,2, Bo Han2, Xuesen Dong1

  • 1Department of Urologic Sciences, Faculty of Medicine, University of British Columbia, Vancouver, BC, Canada.

Frontiers in Oncology
|July 14, 2022
PubMed

Insights

Prostate tumors develop resistance to androgen receptor (AR) therapies. Understanding the interplay between Src and AR signaling is crucial for developing new treatments for castrate-resistant prostate cancer.

Area of Science:

  • Oncology
  • Molecular Biology
  • Cancer Signaling

Background:

  • Androgen receptor (AR) signaling is a primary target for metastatic prostate cancer treatments.
  • Prostate tumors frequently develop resistance to AR pathway inhibitors, necessitating alternative therapeutic strategies.
  • The pro-oncogene tyrosine kinase Src is implicated in promoting prostate cancer progression, including proliferation, adhesion, invasion, and metastasis.

Purpose of the Study:

  • To summarize the complex interplay between Src and AR signaling pathways in the context of castrate-resistant prostate cancer (CRPC) progression.
  • To provide insights into potential therapeutic approaches targeting the Src-AR axis for CRPC treatment.

Main Methods:

  • Literature review and synthesis of existing research findings.
  • Analysis of the roles of Src kinase activation and its crosstalk with AR signaling.
  • Evaluation of the clinical implications of Src inhibitors in prostate cancer.

Main Results:

  • Src kinase can be activated under various androgen conditions and through crosstalk with other oncogenic pathways.
  • Reciprocal activation between Src and AR proteins has been observed, suggesting a significant interaction.
  • Despite clinical trials, Src inhibitors have not yet demonstrated clear patient benefits, indicating a need for further investigation.

Conclusions:

  • The interplay between Src and AR signaling is a critical factor in castrate-resistant prostate cancer progression.
  • Targeting Src may offer a viable strategy for CRPC, but further research is needed to optimize therapeutic approaches.
  • Understanding these signaling dynamics is essential for developing more effective treatments for advanced prostate cancer.
Keywords:
Src kinaseUGT2B17androgen receptorcastrate-resistant prostate cancerprostate cancer

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