[1]杨国威,张 巍,钱 晟,等.热损伤对肝细胞肝癌细胞增殖及侵袭转移特性影响的实验研究 [J].介入放射学杂志,2017,(05):436-442.
 YANG Guowei,ZHANG Wei,QIAN Sheng,et al.The effect of thermal damage on the cell proliferation and invasive metastasis of HCC: an experimental study in vitro[J].journal interventional radiology,2017,(05):436-442.
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热损伤对肝细胞肝癌细胞增殖及侵袭转移特性影响的实验研究



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《介入放射学杂志》[ISSN:1008-794X/CN:31-1796/R]

卷:
期数:
2017年05期
页码:
436-442
栏目:
实验研究
出版日期:
2017-05-25

文章信息/Info

Title:
The effect of thermal damage on the cell proliferation and invasive metastasis of HCC: an experimental study in vitro
作者:
杨国威 张 巍 钱 晟 瞿旭东 周 波 朱 樑 王建华 颜志平 刘 嵘
Author(s):
YANG Guowei ZHANG Wei QIAN Sheng QU Xudong ZHOU Bo ZHU Liang WANG Jianhua YAN Zhiping LIU Rong.
Department of Interventional Radiology, Affiliated Zhongshan Hospital, Fudan University, Shanghai Institute of Medical Imaging, Shanghai 200032, China
关键词:
【关键词】 热损伤 微波消融 肝细胞肝癌 上皮-间质细胞转化 肿瘤转移
文献标志码:
A
摘要:
【摘要】 目的 体外实验评价热损伤对肝细胞肝癌(HCC)细胞增殖、侵袭转移能力及上皮-间质细胞转化(EMT)等特性的影响,探索热消融与HCC复发转移之间的关系。方法 通过体外加热构建McA- RH7777 HCC细胞热损伤模型。CCK- 8法检测热损伤对HCC细胞增殖能力的影响,流式细胞技术检测细胞周期情况。Transwell实验研究热损伤对HCC细胞侵袭能力的影响。荧光定量-聚合酶链反应(RT- PCR)和蛋白印迹(Western blot)分析热损伤对HCC细胞侵袭及EMT 相关分子标志物VEGF、MMP- 9、Nm23、E- cadherin、vimentin的mRNA和蛋白表达的影响。结果 McA- RH7777 HCC细胞热处理条件为43.5℃水浴30 min。热处理后2~5 d细胞增殖能力显著高于对照组(P<0.05)。热处理48 h及72 h后处于G1期细胞比例降低,S+G2期细胞比例增加,差异有统计学意义(P<0.05)。与对照组比较,热处理后24 h后HCC细胞侵袭能力差异不明显,而热处理72 h后细胞侵袭能力显著增加(22.3±2.46对14.2±1.82,P<0.001)。RT- PCR和蛋白印迹分析结果显示,热处理72 h后HCC细胞VEGF、MMP- 9和vimentin表达水平显著增加,E- cadherin表达显著降低,差异有统计学意义(P<0.05)。结论 亚致死量热损伤诱导McA- RH7777 HCC细胞发生EMT并增加其增殖和侵袭转移能力,表现出更高的恶性潜能。

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备注/Memo

备注/Memo:
(收稿日期:2017-01-12)
(本文编辑:边 佶)
更新日期/Last Update: 2017-05-15