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Updated: Jul 10, 2026

A Bioluminescent and Fluorescent Orthotopic Syngeneic Murine Model of Androgen-dependent and Castration-resistant Prostate Cancer
Published on: March 6, 2018
Androgen signaling and its interactions with other signaling pathways in prostate cancer
Mari Kaarbø1, Tove I Klokk, Fahri Saatcioglu
1Department of Molecular Biosciences, University of Oslo, Norway.
Abstract:
Prostate cancer is the most frequently diagnosed non-skin cancer and the third leading cause of cancer mortality in men. In the initial stages, prostate cancer is dependent on androgens for growth, which is the basis for androgen ablation therapy. However, in most cases, prostate cancer progresses to a hormone refractory phenotype for which there is no effective therapy available at present. The androgen receptor (AR) is required for prostate cancer growth in all stages, including the relapsed, "androgen-independent" tumors in the presence of very low levels of androgens. This review focuses on AR function and AR-target genes and summarizes the major signaling pathways implicated in prostate cancer progression, their crosstalk with each other and with AR signaling. This complex network of interactions is providing a deeper insight into prostate carcinogenesis and may form the basis for novel diagnostic and therapeutic strategies.
Insights
Prostate cancer relies on androgen receptor (AR) signaling for growth. Understanding AR pathways and their interactions is key to developing new therapies for advanced prostate cancer.
Area of Science:
- Oncology
- Molecular Biology
- Cancer Research
Background:
- Prostate cancer is a leading cause of cancer mortality in men.
- Androgen ablation therapy is effective initially but often fails as cancer becomes hormone refractory.
- The androgen receptor (AR) remains crucial for cancer growth even in advanced stages.
Purpose of the Study:
- To review androgen receptor (AR) function and AR-target genes in prostate cancer.
- To summarize key signaling pathways involved in prostate cancer progression.
- To explore the crosstalk between AR signaling and other pathways.
Main Methods:
- Literature review of prostate cancer signaling pathways.
- Analysis of androgen receptor (AR) function and its target genes.
- Examination of interactions between AR and other signaling networks.
Main Results:
- AR is essential for prostate cancer growth at all stages.
- Multiple signaling pathways crosstalk with AR signaling.
- This complex network drives prostate carcinogenesis.
Conclusions:
- Understanding the AR signaling network is crucial for prostate cancer progression.
- Insights into these pathways may lead to novel diagnostic and therapeutic strategies for advanced prostate cancer.
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