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白藜芦醇与长寿的秘密_专业文献_诺亚生活
arrow 白藜芦醇与长寿的秘密
诺亚生活 2008-11-07

PDF文档白藜芦醇与长寿的秘密

《自然》杂志发表美国哈佛大学辛克莱教授的研究报告认为,白藜芦醇可能是研发抗衰老药物的关键。研究报告认为白藜芦醇可以象抗生素一样保护葡萄不受菌类侵害,可以使保护癌细胞不被化疗等消灭的一种蛋白质失效。该研究将白藜芦醇用于癌症预防和治疗,哈佛大学一些研究人员相信,他们发现植物分子白藜芦醇可能掌握了研发抗癌药物的关键。研究的理论根据是:白藜芦醇负责管理对细胞存活非常重要的细胞蛋白质,下达命令让细胞进入防御模式。哈佛大学研究人员猜测,这种细胞蛋白质可能会修护受损的DNA,或干扰细胞自然的死亡过程,从而延长细胞的存活。 几年前,研究者们发现白藜芦醇能阻止细胞癌变和恶意扩散,同时也能防止关节炎和其它疾病的细胞发炎。不过辛克莱教授认为,人类要单靠喝红酒来达到延年益寿的效果,恐怕还有些路要走,因为换算成人类所需之剂量靠喝红酒还是太少;这就提示人类应该额外补充白藜芦醇。科学家McNary 和Baldwin 试验了培养人及动物的肿瘤细胞对白藜芦醇的反应,弄清了它能有效地关闭NF-kappa B 癌症基因,而未被处理的癌细胞则继续茁壮成长。有实验证实白藜芦醇通过神经酰胺信号转导通路抑制转移乳腺癌细胞的生长并且诱导细胞凋亡。

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