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Twist基因在胃癌中表达与EMT现象的研究 被引量:1

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摘要 目的:研究Twist、E-cadherin、N-cadherin在胃癌组织中的表达及上皮—间质转化(EMT)现象,探讨其与胃癌侵袭转移的关系。方法:分别采用逆转录聚合酶链反应(RT-PCR)和免疫组化方法检测58例胃癌组织和对应癌旁组织中介导EMT发生的转录因子Twist、上皮性标记基因E-cadherin以及间质性标记基因N-cadherin的表达情况。结果:胃癌组织中Twist、E-cadherin以及N-cadherin蛋白阳性表达率分别为75.8%、36.2%、44.8%,癌旁组织分别为32.7%、91.3%、12.1%,3种蛋白在胃癌组织中及癌旁组织的表达差异均有统计学意义(P<0.01或P<0.05)。与癌旁组织相比,Twist mRNA和N-cadherin mRNA在胃癌组织中表达明显上调,E-cadherinmRNA表达下调。结论:Twist介导的EMT发生可能与胃癌的侵袭转移有关。
出处 《广西医科大学学报》 CAS 2010年第1期39-41,共3页 Journal of Guangxi Medical University
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二级参考文献7

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