[1]郝美君,刘 凯,郭向华,等.射频消融亚致死性温度对肝癌干细胞的影响 [J].介入放射学杂志,2017,(07):636-640.
 HAO Meijun,LIU Kai,GUO Xianghua,et al.The effect of radiofrequency ablation with sublethal temperature on the stem cells of hepatocellular carcinoma[J].journal interventional radiology,2017,(07):636-640.
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射频消融亚致死性温度对肝癌干细胞的影响


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

卷:
期数:
2017年07期
页码:
636-640
栏目:
实验研究
出版日期:
2017-07-25

文章信息/Info

Title:
The effect of radiofrequency ablation with sublethal temperature on the stem cells of hepatocellular carcinoma
作者:
郝美君 刘 凯 郭向华 欧阳雅博 乔录新 石 英 陈德喜 郑加生
Author(s):
HAO Meijun LIU Kai GUO Xianghua OUYANG Yabo QIAO Luxin SHI Ying CHEN Dexi ZHENG Jiasheng.
Affiliated Beijing You’an Hospital of Capital Medical University, Beijing 100069, China
关键词:
【关键词】 肝细胞癌 射频消融 亚致死温度 肝癌干细胞
文献标志码:
A
摘要:
【摘要】 目的 研究亚致死温度射频消融(RFA)对肝癌干细胞(LCSC)产生及其相关转录因子表达的影响。方法 利用小鼠Hep1-6肝癌细胞株和肝细胞癌(HCC)患者临床样品,检测LCSC相关标志物和转录因子的表达。结果 不同温度分别刺激Hep1- 6细胞后发现,45℃是不能诱导细胞死亡的亚致死性温度。流式细胞仪(FCM)检测显示45℃处理可引起CD13+、CD44+、CD90+、CD133+ Hep1- 6细胞水平明显上调,提示45℃温度导致Hep1- 6细胞中以上各型LCSC产生增加;实时定量聚合酶链反应(RT- qPCR)检测显示45℃温度导致CD13、CD90、CD133 mRNA水平明显上调。CD13 mRNA水平在5例HCC患者复发肝癌组织中均明显上调,CD133 mRNA在4例复发肝癌中上调,CD90 mRNA仅在1例复发肝癌中上调;FCM检测显示CD13+ LCSC水平在4例复发肝癌中明显上调,CD133+ LCSC水平仅在1例复发肝癌中上调,提示CD13+ LCSC水平上调与45℃温度关系更密切。RT- qPCR检测显示4例CD13+ LCSC上调的复发肝癌患者13个LCSC相关转录因子中Sox2、Stat1明显上调,FCM检测显示45℃处理Hep1- 6细胞后Sox2、Stat1 mRNA明显上调。用Sox2、Stat1 siRNA分别沉默了Sox2、Stat1基因,表明Sox2、Stat1均参与了45℃温度诱导的CD13+ LCSC产生。结论 RFA治疗中45℃亚致死性温度所致CD13+ LCSC水平增高与Sox2、Stat1表达有关。该结果对肝癌复发研究有一定借鉴意义。

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备注/Memo

备注/Memo:
(收稿日期:2017-01-16)
(本文编辑:边 佶)
更新日期/Last Update: 2017-07-12