Cancer prevention by bovine lactoferrin: from animal studies to human trial
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Colorectal cancer (CRC) is one of the most frequently diagnosed cancers and, despite improved colonoscopic screening, CRC is a leading cause of death from cancer. Administration of bovine lactoferrin (bLF) suppresses carcinogenesis in the colon and other organs of test animals, and recently it was shown that ingestion of bLF inhibits the growth of adenomatous polyps in human patients. Here we review work which established bLF as an anti-carcinogenic agent in laboratory animals and the results of a clinical trial which demonstrated that bLF can reduce the risk of colon carcinogenesis in humans.
KeywordsBovine lactoferrin Chemoprevention Colorectal cancer
We thank Shigeru Nawano, Atsushi Otsu, Tomotaka Sobue, and Chikuma Hamada as members of the Independent Data Monitoring Committee; Takahisa Matsuda, Ryuzo Sekiguichi, and Kunihisa Miyakawa for their valuable contributions to the bLF trial; and finally, Takuji Gotoda at the Endoscopic Data Adjudication Committee, Tadakazu Shimoda, a pathologist, Takahiro Fujii, an endoscopist (until June 2003), and Morinaga Milk Industry Ltd., the bLF trial sponsor. We thank Morinaga Milk Industry for providing the bovine lactoferrin and placebo tablets.
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