Concomitant consumption of lycopene and fish oil inhibits tumor growth and progression in a mouse xenograft model of colon cancer

Feng Yao Tang, Man Hui Pai, Yueh Hsiung Kuo, Xiang Dong Wang

研究成果: 雜誌貢獻文章同行評審

22 引文 斯高帕斯(Scopus)

摘要

Scope: Our previous report showed that concomitant supplementation of lycopene and eicosa-pentaenoic acid synergistically inhibited the proliferation of human colon cancer HT-29 cells in vitro. Methods and results: To validate our findings, the present study investigated whether consumption of lycopene and fish oil would help prevent tumor growth and progression in a mouse xenograft model of colon cancer. The inhibitory effects of lycopene and fish oil on tumor growth were verified by western blotting analysis, bioluminescent imaging, immunohistochemical (IHC) staining and ELISA. The results demonstrated that lycopene and fish oil synergistically inhibited the growth of colon cancer in tumor-bearing mice. The bioluminescent imaging, histopathological and IHC staining results indicated that lycopene and fish oil effectively suppressed tumor growth and progression of colon cancer in vivo. The chemopreventive effects of lycopene and fish oil were associated with augmented expression of the cell cycle inhibitors such as p21CIP1/WAF1 and p27Kip1, and suppression of proliferating cell nuclear antigen, β-catenin, cyclin D1 and c-Myc proteins. Furthermore, lycopene and fish oil inhibited tumor progression through suppression of MMP-7, MMP-9, COX-2 and PGE2. Conclusion: These results show that lycopene and fish oil act synergistically as chemopreventive agents against tumor growth and progression in a mouse xenograft model of colon cancer.

原文英語
頁(從 - 到)1520-1531
頁數12
期刊Molecular Nutrition and Food Research
56
發行號10
DOIs
出版狀態已發佈 - 十月 2012

ASJC Scopus subject areas

  • Food Science
  • Biotechnology

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