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DNA甲基化及其在肿瘤中的作用 被引量:2

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摘要 DNA甲基化 (methylatioon)就是加上甲基 (CH3- )基团的碱基修饰过程 ,基因甲基化的过程就是基因表达受到抑制的过程。DNA甲基化与对抗核酶的抗性、细胞防御机制、基因激活与印记、细胞的分化与发育 ,以及衰老和癌变相关。癌基因低甲基化、抑癌基因高甲基化、错配修复基因高甲基化、基因启动子DNA甲基化以及DNA甲基转移酶活性改变等都与肿瘤的发生密切相关。
作者 林立 佘朝富
出处 《国外医学(临床生物化学与检验学分册)》 CAS 2002年第5期279-280,共2页 Foreign Medical Sciences(section of Clinical Biochemistry and Laboratory Medicine
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