乙肝病毒X蛋白对肝癌细胞组蛋白H3K4甲基化修饰的影响及机制
【目的】 探讨乙肝病毒X蛋白(HBx)与肝癌细胞组蛋白H3K4位点甲基化修饰的关系及其可能的机制?【方法】构建稳定表达HBx基因的HepG2-hbx及载体对照细胞系HepG2-vc,同时培养用于阳性对照的肝癌细胞系HepG2.2.15及阴性对照细胞系HepG2;用酶标法检测各组细胞组蛋白H3K4位点甲基转移酶活性,比较HBx对H3K4位点甲基转移酶活性的影响;qRT-PCR检测各组细胞中H3K4位点特异性甲基转移酶SMYD3 ( SET and MYND domain containing3 ...
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