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Updated: Jun 21, 2026
A Bioluminescent and Fluorescent Orthotopic Syngeneic Murine Model of Androgen-dependent and Castration-resistant Prostate Cancer
Published on: March 6, 2018
Novel anti-prostate cancer curcumin analogues that enhance androgen receptor degradation activity
1AndroScience Corporation, San Diego, CA, 91121, USA.
Abstract:
The androgen receptor (AR) plays a crucial role in the physiological and pathological functions of androgen. As a transcription factor, the AR modulates androgen activity by regulating the transcription of target genes that are involved in numerous physiological functions and pathological disorders, such as acne vulgaris, androgenetic alopecia, benign prostate hyperplasia (BPH), and prostate cancers. Although many natural and synthetic curcumin analogues have been reported to possess anticancer activity through a common cytotoxic property against proliferating tumor cells, none has been reported to inhibit cancer cell growth through a more specific mechanism or target in the cancer cells. Recently, new curcumin analogues were studied extensively regarding their synthesis, structure-activity (i.e., anticancer activity) relationships, and mechanism of action. These compounds, such as ASC-J9 and its analogues (3 and 4), have now been shown to inhibit prostate cancer proliferation through a novel mechanism of enhancing AR degradation.
Insights
New curcumin analogues, like ASC-J9, show promise in fighting prostate cancer by enhancing androgen receptor (AR) degradation, offering a specific mechanism to inhibit cancer cell growth.
Area of Science:
- Biochemistry
- Molecular Biology
- Oncology
Background:
- The androgen receptor (AR) is a key transcription factor regulating genes involved in various physiological functions and diseases, including prostate cancer.
- Curcumin analogues are known for their cytotoxic anticancer properties, but a specific mechanism targeting cancer cells has been lacking.
- Prostate cancer proliferation is often driven by androgen signaling pathways mediated by the AR.
Purpose of the Study:
- To investigate the anticancer activity of novel curcumin analogues.
- To elucidate the specific mechanism by which these compounds inhibit prostate cancer cell growth.
- To explore the potential of enhancing androgen receptor (AR) degradation as a targeted cancer therapy.
Main Methods:
- Synthesis and characterization of novel curcumin analogues.
- Evaluation of structure-activity relationships for anticancer effects.
- Investigation of the mechanism of action, focusing on androgen receptor (AR) regulation and degradation.
Main Results:
- Novel curcumin analogues, including ASC-J9 and its related compounds (3 and 4), were synthesized and characterized.
- These compounds demonstrated significant inhibition of prostate cancer cell proliferation.
- The primary mechanism identified was the enhancement of androgen receptor (AR) degradation, a novel approach to targeting cancer growth.
Conclusions:
- Novel curcumin analogues offer a targeted strategy for prostate cancer treatment by inducing androgen receptor (AR) degradation.
- This specific mechanism represents a significant advancement beyond general cytotoxic effects.
- Further research into these compounds could lead to new therapeutic options for prostate cancer and related androgen-dependent disorders.
