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Abstract

Volume 21, Issue 1 (January 2019) 21, 80–85; 10.4103/aja.aja_70_18

Lycopene exerts anti-inflammatory effect to inhibit prostate cancer progression

Li-Ning Jiang1,2, Ya-Bin Liu1, Bing-Hui Li1

1 Department of Surgery II, Fourth Hospital of Hebei Medical University, Shijiazhuang 050011, China
2 Department of Urology Surgery I, Cangzhou Central Hospital, Cangzhou 061000, China

Correspondence: Dr. BH Li (libinghuihbmu@aliyun.com)

Date of Submission 18-Apr-2018 Date of Acceptance 03-Jul-2018 Date of Web Publication 07-Sep-2018

Abstract

Lycopene is a natural compound that alleviates oxidative stress and inflammation, exerting therapeutic effects in a number of cancers. The aim of this study is to investigate the efficacy of lycopene in inhibiting prostate cancer. Cell viability assays indicated the dose- and time-dependent toxicity of lycopene in prostate cancer cells. Annexin V/propidium iodide double-staining assays revealed the strong apoptotic effects of lycopene. The levels of inflammatory factors, including interleukin-1 (IL1), IL6, IL8, and tumor necrosis factor-α (TNF-α), in lycopene-treated cells were also reduced by lycopene treatment. With the increasing dose of lycopene, the survival of mice bearing prostate cancer xenografts was significantly improved (P < 0.01), and the tumor burden was significantly reduced (P < 0.01). Our results indicate that lycopene is a promising chemotherapy drug, which inhibits prostate cancer progression by suppressing the inflammatory response.

Keywords: dietary supplement; inflammation; lycopene; prostate cancer

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