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白藜芦醇在肿瘤放疗增敏机制中的研究进展 被引量:3

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摘要 放射治疗是目前恶性肿瘤的重要治疗手段,提高肿瘤放疗敏感性可以提高放疗患者依从性,改善预后,是当前研究的热点。白藜芦醇(Resveratrol,Rev)是一种非黄酮多酚类化合物,具有抗氧化、抗衰老、抗凋亡的作用,Rev 在放射治疗中具有阻断肿瘤的发生和进展的特性,其分子机制的得到广泛的研究。Rev 对活性氧系统的功能具有二像性,一方面可以对等地生成苯酚和间苯二酚相关的2个峰,对多种肿瘤细胞具有显著的杀伤作用,另一方面可以强有力地清除氧自由基保护正常组织;Rev 可以与 DNA 直接结合,生成具有遗传毒性、可代谢的活性氧(reactive oxygen species,ROS),调节 DNA 代谢、维持和修复系统,抑制末端转移酶端粒和拓扑异构酶;此外,Rev 还能通过多种途径促进肿瘤细胞凋亡。
作者 杨壹羚 张恒
出处 《中国实验诊断学》 2014年第5期861-863,共3页 Chinese Journal of Laboratory Diagnosis
基金 国家自然科学基金资助项目(81302294)
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