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Fucoidan mammary

Meilan Xue, Yinlin Ge, Jinyu Zhang, Yongchao Liu, Qing Wang, Lin Hou, Zheng Zheng
Fucoidan is a sulfated polysaccharide derived from brown algae and is known to possess anticancer properties. However, the relationship between fucoidan and β-catenin, one of the key components of the Wnt signaling pathway, in mouse breast cancer remains poorly characterized. In this study, mouse breast cancer cells (4T1) were exposed to fucoidan to investigate the relationship between fucoidan and the Wnt/β-catenin signaling pathway in vivo and in vitro. We found that fucoidan significantly inhibited cell growth, increased cell death, and induced G1 cell cycle arrest in 4T1 cells...
2013: Nutrition and Cancer
Yumi Yamasaki-Miyamoto, Masao Yamasaki, Hirofumi Tachibana, Koji Yamada
Fucoidan is an active component of seaweed that has been shown to inhibit proliferation and induce apoptotic cell death in several tumor cells. However, the detailed mechanisms underlying this process have not yet been elucidated. In the present report, we investigated the effect of fucoidan on the induction of apoptosis in human breast cancer MCF-7 cells. Our data demonstrated that fucoidan reduced the viable cell number of MCF-7 cells in a dose- and time-dependent manner. In contrast, fucoidan did not affect the viable cell number of normal human mammary epithelial cells...
September 23, 2009: Journal of Agricultural and Food Chemistry
J Teas, M L Harbison, R S Gelman
To test the potential in vivo antitumor effect of dietary seaweed, we induced mammary tumors in female Sprague-Dawley rats with the carcinogen 7,12-dimethylbenz(a)anthracene. Twenty-one-day-old rats (n = 108) were divided into two groups. Controls were fed a standard semipurified diet, and experimental rats received the control diet with 5% Laminaria, a brown seaweed, replacing 5% alphacel . At 55 days of age, each rat received 5 mg 7,12-dimethylbenz(a)anthracene intragastrically. Rats were palpated for mammary tumors and weighed weekly for 26 weeks...
July 1984: Cancer Research
D R Coombe, C R Parish, I A Ramshaw, J M Snowden
Lung metastases resulting from the intravenous (i.v.) injection of cells from the rat mammary adenocarcinoma 13762 MAT were significantly reduced by a variety of sulphated polysaccharides, the most effective being heparin, fucoidan and Carrageenan lambda. Although all the inhibitory polysaccharides were anticoagulants, it is unlikely that anticoagulation is the total explanation of their antimetastatic effect because: (i) heparin preparations from 2 different suppliers, although exhibiting comparable anticoagulant activities, differed 10-fold in their antimetastatic capability; (ii) certain sulphated polysaccharides consistently gave a 30% difference in the number of metastatic lesions, yet exhibited identical anticoagulant activity; and (iii) the entrapment of 13762 MAT cells in the lung was not impaired by heparin or fucoidan...
January 15, 1987: International Journal of Cancer. Journal International du Cancer
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