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鼻咽癌组织中miR-200c、LMP1、ZEB2和E-cadherin的表达及调控作用 被引量:1

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摘要 目的:观察鼻咽癌(nasopharyngeal carcinoma,NPC)组织中miR-200c、潜伏期膜蛋白1(LMP1)、E盒结合锌指蛋白2(zinc finger E-box-binding protein 2,ZEB2)和E-cadherin的表达变化,并探讨其调控作用。方法:选取2021-05~2022-06于广州市花都区人民医院住院的NPC患者62例和鼻咽炎患者41例为研究对象。分别采用RT-PCR法检测两组患者组织中的miR-200c、LMP1、ZEB2和E-cadherin mRNA的表达和免疫印迹的方法检测两组组织中LMP1、ZEB2和E-cadherin蛋白表达,并对miR-200c、LMP1、ZEB2和E-cadherin mRNA的表达进行Pearson线性相关分析。结果:NPC组织中miR-200c的表达水平低于鼻咽炎组(P<0.05),LMP1和ZEB2 mRNA和蛋白的表达水平均高于鼻咽炎组(P<0.05),E-cadherin mRNA和蛋白的表达水平低于鼻咽炎组(P<0.05);NPC组织中LMP1 mRNA与miR-200c的表达呈负相关(r=-0.853,P<0.05),miR-200c与ZEB2 mRNA的表达呈负相关(r=-0.842,P<0.05),ZEB2 mRNA与E-cadherin mRNA表达呈负相关(r=-0.590,P<0.05)。结论:NPC组织中LMP1和ZEB2表达升高,而miR-200c和E-cadherin表达水平降低,有望成为NPC诊疗新靶点;LMP1可能通过诱导下调miR-200c的表达,使得ZEB2转录因子表达上调,最终抑制E-cadherin的表达,从而促进NPC的侵袭和转移。
出处 《黑龙江医药科学》 2023年第1期154-156,共3页 Heilongjiang Medicine and Pharmacy
基金 花都区科技计划项目,编号:21-HDWS-063。
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