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RASSF2A基因启动子甲基化与肿瘤关系的研究进展 被引量:2

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摘要 肿瘤抑制基因(TSG)的失活是癌症发病机制的关键因素。TSG失活可能是不可逆的,比如基因缺失或突变;TSG失活也可能通过表观遗传的机制,是可逆的,这为寻找更适合的治疗方法或治疗药物提供了理论基础。CpG 双核苷酸很少出现在人类基因中,但在某些基因的启动子区发现 CpG 保持或高于正常概率,即CpG岛,其甲基化在基因表达的调控上起关键作用。RAS相关区域家族2A(RASSF2A)位于染色体3p21.3,这个区域被证实在一些肿瘤中频繁缺失;其中RASSF2A的表观遗传失活是重要的分子改变。最近的一些研究已陆续阐明了RASSF2A启动子甲基化在肿瘤诊断和预后中的潜在意义,本文对其研究进展综述如下。
出处 《国际检验医学杂志》 CAS 2014年第12期1595-1597,共3页 International Journal of Laboratory Medicine
基金 江苏省六大人才高峰资助项目(2010-WS-075)
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