[1]蒋 奡,王忠敏,张丽云,等. 125I粒子持续照射对Sw1990及Panc?蛳 1细胞 生物学效应的影响[J].介入放射学杂志,2013,(06):490-493.
 JIANG Ao,WANG Zhong? min,ZHANG Li? yun,et al. The biological effects of continuous 125I seeds irradiation on sw1990 and panc?蛳 1 cells: a comparison study[J].journal interventional radiology,2013,(06):490-493.
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 125I粒子持续照射对Sw1990及Panc?蛳 1细胞 生物学效应的影响 ()

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

卷:
期数:
2013年06期
页码:
490-493
栏目:
实验研究
出版日期:
2013-06-24

文章信息/Info

Title:
 The biological effects of continuous 125I seeds irradiation on sw1990 and panc?蛳 1 cells: a comparison study
作者:
 蒋 奡 王忠敏 张丽云 茅爱武 刘芬菊
Author(s):
 JIANG Ao WANG Zhong?蛳 min ZHANG Li?蛳 yun MAO Ai?蛳 wu LIU Fen?蛳 ju.
Department of Interventional Radiology, the Affiliated Renji Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai 200127, China
关键词:
 【关键词】 胰腺癌 125I粒子 Sw1990细胞 Panc?蛳 1细胞
文献标志码:
A
摘要:
 【摘要】 目的 采用125I粒子对胰腺癌细胞Sw1990及Panc?蛳 1行体外持续照射,研究其生物学效应,探讨连续照射对胰腺癌细胞增殖、DNA合成、细胞周期及凋亡的影响,并为胰腺癌放射实验细胞的选择提供参考。方法 将胰腺癌细胞Sw1990及Panc?蛳 1体外培养至对数生长期,行125I粒子持续照射,在初始剂量率为12.13 cGy/h 时,分别给予总剂量为0、2、4、6、8 Gy的照射,采用克隆形成实验检测照射后细胞的增殖能力,绘制生存曲线,计算细胞存活率(SF2),检测细胞凋亡率和细胞周期,以及3H?蛳 TDR掺入实验探究照射后细胞DNA合成情况。结果 经过拟合,计算出Sw1990和Panc?蛳 1细胞的SF2值分别为0.766 ± 0.063和0.729 ± 0.045,随着照射剂量增高,两种细胞凋亡率也逐渐升高,Panc?蛳 1细胞的最大凋亡率出现在6 Gy,Sw1990出现在8 Gy。G2/M期阻滞分数均逐渐升高,3H?蛳 TDR掺入放射量逐渐降低。结论 125I持续照射胰腺癌细胞时,细胞凋亡及G2/M期阻滞是抑制细胞增殖的主要原因,在剂量为0、2、4、6、8 Gy时,Sw1990及Panc?蛳 1细胞生物学效应差异无统计学意义。

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备注/Memo

备注/Memo:
(收稿日期:2012-12-20) 
更新日期/Last Update: