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Updated: May 13, 2026

An Orthotopic Murine Model of Human Prostate Cancer Metastasis
Published on: September 18, 2013
Is lycopene an effective agent for preventing prostate cancer?
Michael B Sporn1, Karen T Liby
1Geisel School of Medicine at Dartmouth, 7650 Remsen, Room 524A, Hanover, NH 03755, USA. michael.b.sporn@dartmouth.edu
Abstract:
The role of lycopene, an open-chain carotenoid found in tomatoes and devoid of retinoid activity, as an anticarcinogenic, chemopreventive agent, especially for use in prostate cancer, is still under active investigation. In this issue, Qui and colleagues show that lycopene induces responses in human prostate epithelial cells that are antiproliferative, antioxidative, and anti-inflammatory, as well as downregulating targets in the androgen receptor signaling pathway. In this perspective, we review aspects of the molecular and cellular biology of lycopene that support its use for prevention of prostate cancer. Whether lycopene itself or its metabolites induce most of its benefits is still uncertain. At present, meta-analysis of clinical studies of lycopene for prevention of prostate cancer in men does not yet support the definitive clinical use of this carotenoid in a preventive setting.
Insights
Lycopene, a compound in tomatoes, shows potential for prostate cancer prevention by inhibiting cell growth and inflammation. However, more clinical research is needed to confirm its effectiveness in men.
Area of Science:
- Oncology
- Nutritional Science
- Molecular Biology
Background:
- Lycopene is an open-chain carotenoid found in tomatoes.
- It lacks retinoid activity but is investigated for anticarcinogenic properties.
- Prostate cancer prevention is a key area of research for lycopene.
Purpose of the Study:
- To review the molecular and cellular biology of lycopene relevant to prostate cancer prevention.
- To discuss findings on lycopene's effects on human prostate epithelial cells.
Main Methods:
- Review of existing literature on lycopene's biological effects.
- Analysis of studies investigating lycopene's impact on prostate epithelial cells, including gene expression and signaling pathways.
Main Results:
- Lycopene induces antiproliferative, antioxidative, and anti-inflammatory responses in human prostate epithelial cells.
- It downregulates targets within the androgen receptor signaling pathway.
- The exact role of lycopene versus its metabolites in conferring benefits remains unclear.
Conclusions:
- Lycopene exhibits properties that support its potential role in prostate cancer prevention.
- Current meta-analyses of clinical studies do not yet confirm lycopene's definitive use for prostate cancer prevention in men.
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