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与胃癌相关的DNA甲基化研究进展 被引量:1

Advance in DNA methylation related to gastric cancer
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摘要 甲基化紊乱与胃癌的发生有关,近年来甲基化已成为肿瘤研究的热点.DNA甲基化是人类后成论学说的主要复制后修饰方式.对DNA甲基化的研究发现,甲基化水平与肿瘤的生物学特性密切相关,调控增殖、凋亡与分化的基因较多,其表达多受基因甲基化影响.因此,随着技术方法的改进,DNA甲基化状态的分析有可能成为判断肿瘤生物学特性及临床预后的重要指标之一.我们就与胃癌相关的癌基因、抑癌基因、与凋亡相关基因及DNA错配修复基因的 CpG岛甲基化情况作一综述,说明胃癌的发生与DNA甲基化的关系,探讨利用基因甲基化的检测作为胃癌早期诊断的生物学标记的可能性.
作者 张晔 袁媛
出处 《世界华人消化杂志》 CAS 北大核心 2005年第19期2349-2354,共6页 World Chinese Journal of Digestology
基金 国家自然科学基金资助项目 No.30171054 国家"十五"科技攻关资助项目 No.2004BA703BA703B04-02
关键词 胃癌 DNA甲基化
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参考文献72

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