[1]常 旭,郭 志,司同国,等.冷冻消融后残存肿瘤与上皮-间质转化关系的实验研究 [J].介入放射学杂志,2017,(08):722-726.
 CHANG Xu,GUO Zhi,SI Tongguo,et al.The relationship between the remnant tumor and the epithelial- mesenchymal transition after cryoablation: an experimental study[J].journal interventional radiology,2017,(08):722-726.
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冷冻消融后残存肿瘤与上皮-间质转化关系的实验研究
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《介入放射学杂志》[ISSN:1008-794X/CN:31-1796/R]

卷:
期数:
2017年08期
页码:
722-726
栏目:
实验研究
出版日期:
2017-08-25

文章信息/Info

Title:
The relationship between the remnant tumor and the epithelial- mesenchymal transition after cryoablation: an experimental study
作者:
常 旭 郭 志 司同国 张炜浩 于海鹏 杨雪玲 杨红彩
Author(s):
CHANG Xu GUO Zhi SI Tongguo ZHANG Weihao YU Haipeng YANG Xueling YANG Hongcai
Department of Interventional Therapy, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center of Cancer, Key Laboratory of Cancer Prevention and Therapy of Tianjin, Tianjin 300060, China
关键词:
【关键词】 冷冻消融 上皮-间质转化 侵袭 转移
文献标志码:
A
摘要:
【摘要】 目的 探究不完全冷冻消融对前列腺癌RM- 1细胞生物学行为的影响及其产生机制。方法前列腺癌RM- 1细胞放入-20℃冰箱中冷冻5 min,37℃水域复温,待细胞状态恢复后重复冷冻10 min、15 min。培养1 d后镜下观察细胞形态。20只C57/BL小鼠构建荷瘤模型,随机分为对照组与不完全冷冻消融组。不同时间点测量肿瘤大小,14 d时处死小鼠、取肺组织行HE染色,统计肿瘤肺转移枚数。Transwell法检测细胞迁移及侵袭能力变化,免疫印迹检测相关蛋白表达水平,酶联免疫吸附试验(ELISA)法检测细胞上清液转化生长因子(TGF)- β分泌量。结果 经不完全冷冻消融的RM- 1细胞排列紊乱,形态发生改变,可有触角结构形成。术后3、7 d不完全冷冻消融组肿瘤体积略小于对照组,但仅术后7 d差异有统计学意义(P=0.019),术后10、14 d肿瘤体积基本相等。不完全冷冻消融组肿瘤肺转移枚数明显多于对照组(P<0.001)。Transwell试验显示不完全冷冻消融组细胞迁移及侵袭能力强于对照组(P<0.05)。免疫印迹检测显示,不完全冷冻消融组与对照组相比,N- cadherin、MMP- 9、vimentin、表达上调,E- cadherin表达下调。ELISA检测结果显示,不完全冷冻消融组细胞上清液中TGF- β分泌增多。结论 不完全冷冻消融可使RM- 1细胞迁移及侵袭能力增强,增加荷瘤小鼠肿瘤肺转移枚数,影响上皮-间质转化相关蛋白表达。

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备注/Memo

备注/Memo:
(收稿日期:2016-10-25)
(本文编辑:边 佶)
更新日期/Last Update: 2017-08-11