期刊
FEBS LETTERS
卷 581, 期 13, 页码 2541-2548出版社
WILEY
DOI: 10.1016/j.febslet.2007.04.080
关键词
BL6; connexin-26; oleamide; oleic acid; gap junction
We previously reported that daily intraperitoneal injections of oleamide weakly inhibits the spontaneous metastasis of BL6 cells by blocking the gap junction-mediated intercellular communications (GJIQ of connexin 26 (Cx26). In the present study, we tested camellia oil, olive oil and cottonseed oil which are rich in oleamide-like oleic acid for their inhibitory potency on Cx26-mediated GJIC and spontaneous metastasis of BL6 cells. We found that camellia oil, olive oil and cottonseed oil, and their distillate fractions inhibited Cx26-mediated GJIC. We also showed that daily intraperitoneal injection of camellia oil and its distillate fractions more potently inhibited spontaneous lung metastasis of BL6 cells than oleamide. Moreover, a daily oral administration of camellia oil distillate fraction effectively inhibited spontaneous metastasis. Notably, even camellia Tempura-oil, a commercially available food, weakly inhibited the spontaneous metastasis of BL6 cells. Since these oils are used as foods and are quite safe, we propose that they could be used as supplements to protect patients from lung metastasis of melanomas. (c) 2007 Federation of European Biochemical Societies. Published by Elsevier B.V. All rights reserved.
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