上皮性卵巢癌中PARP-1的表达及其与EMT的关系

被引：13

作者：

张灿灿

尉蔚

林雪艳

田永杰

机构：

[1] 山东大学附属省立医院妇产科

来源：

中国病理生理杂志 | 2016年 / 32卷 / 03期

关键词：

卵巢癌; 聚腺苷二磷酸核糖聚合酶-1; E-钙黏蛋白; 波形蛋白; Snail; 上皮-间质转化;

D O I：

暂无

中图分类号：

R737.31 [卵巢肿瘤];

学科分类号：

100214 [肿瘤学];

摘要：

目的:探讨上皮性卵巢癌(epithelial ovarian cancer,EOC)中聚腺苷二磷酸核糖聚合酶-1[poly(ADP-ribose)polymerase-1,PARP-1]的表达及其与上皮-间质转化(epithelial-mesenchymal transition,EMT)的关系。方法:免疫组化、实时荧光定量PCR法检测EOC和良性卵巢肿瘤组织中PARP-1、E-钙黏蛋白(E-cadherin)、波形蛋白(vimentin)和转录调控因子Snail的表达;Western blotting法检测高效PARP-1抑制剂PJ34处理SKOV3细胞后PARP-1、E-cadherin、vimentin和Snail蛋白的表达。结果:PARP-1、vimentin和Snail在EOC中阳性表达率高于良性卵巢肿瘤组织,而E-cadherin则相反,差异均有统计学显著性(P<0.05)。PARP-1、E-cadherin、vimentin和Snail与EOC的病理分级、临床分期和有无淋巴结转移有关(P<0.05),与年龄和病理类型无关。E-cadherin表达与PARP-1表达呈负相关(P<0.05),vimentin、Snail表达与PARP-1表达呈正相关(P<0.05)。EOC中PARP-1、vimentin和Snail mRNA的相对表达量高于良性卵巢肿瘤组织,E-cadherin mRNA的相对表达量低于良性卵巢肿瘤组织,差异均具有统计学显著性(P<0.05)。PJ34处理SKOV3细胞后,PARP-1、vimentin和Snail的蛋白水平明显下降,E-cadherin的蛋白水平显著提高,差异有统计学显著性(P<0.05)。结论:PARP-1通过调控E-cadherin、vimentin和Snail的表达促进EOC上皮间质转化。PARP-1及其参与的上皮-间质转化在EOC进展中发挥重要作用。

引用

收藏

页码：425 / 431

页数：7

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