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γ射线对肝癌细胞G2染色体的原初损伤

王转子 李文建 杨建设 周利斌 魏巍 毛淑红

王转子, 李文建, 杨建设, 周利斌, 魏巍, 毛淑红. γ射线对肝癌细胞G2染色体的原初损伤[J]. 原子核物理评论, 2006, 23(1): 43-45. doi: 10.11804/NuclPhysRev.23.01.043
引用本文: 王转子, 李文建, 杨建设, 周利斌, 魏巍, 毛淑红. γ射线对肝癌细胞G2染色体的原初损伤[J]. 原子核物理评论, 2006, 23(1): 43-45. doi: 10.11804/NuclPhysRev.23.01.043
WANG Zhuan-zi, LI Wen-jian, YANG Jian-she, ZHOU Li-bin, WEI Wei, MAO Shu-hong. Initial Damage of G2-chromosome in Hepatoma Cells Induced by γ-rays[J]. Nuclear Physics Review, 2006, 23(1): 43-45. doi: 10.11804/NuclPhysRev.23.01.043
Citation: WANG Zhuan-zi, LI Wen-jian, YANG Jian-she, ZHOU Li-bin, WEI Wei, MAO Shu-hong. Initial Damage of G2-chromosome in Hepatoma Cells Induced by γ-rays[J]. Nuclear Physics Review, 2006, 23(1): 43-45. doi: 10.11804/NuclPhysRev.23.01.043

γ射线对肝癌细胞G2染色体的原初损伤

doi: 10.11804/NuclPhysRev.23.01.043

Initial Damage of G2-chromosome in Hepatoma Cells Induced by γ-rays

  • 摘要: 用Calyculin—A诱导的早熟染色体凝集技术研究了γ射线诱导人肝癌细胞株HepG2细胞G2期染色体的原初损伤。结果表明:G2等点染色单体断裂畸变与辐射剂量呈线性平方关系,G2染色单体断裂畸变和G2期染色单体断裂畸变总数与辐射剂量呈线性正相关关系,发生各类断裂畸变的细胞率与剂量也呈线性正相关关系。γ射线诱发的断裂畸变主要是G2染色单体断裂畸变,断裂畸变的细胞主要是发生G2染色单体断裂畸变。A chemically induced premature chromosome condensation technique with Calyculin-A has been employed to estimate the initial chromosome damage in HepG2 condensed in G2 phase and the percentage of aberrant cells after exposure to γ-rays. The results show that the dose-response for iso-chromatid breaks is linear-quadratic manner, while chromatid-type breaks and total chromatid breaks show a positive linear dose-response. The percent tages of all kinds of aberrant cells are increasing linearly with increasing doses. G2 chromatid-type breaks and the percentage of G2 chromatid-type aberrant cells are predominate in G2 total chromatid breaks induced b y γ-rays.
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出版历程
  • 收稿日期:  1900-01-01
  • 修回日期:  1900-01-01
  • 刊出日期:  2006-03-20

γ射线对肝癌细胞G2染色体的原初损伤

doi: 10.11804/NuclPhysRev.23.01.043

摘要: 用Calyculin—A诱导的早熟染色体凝集技术研究了γ射线诱导人肝癌细胞株HepG2细胞G2期染色体的原初损伤。结果表明:G2等点染色单体断裂畸变与辐射剂量呈线性平方关系,G2染色单体断裂畸变和G2期染色单体断裂畸变总数与辐射剂量呈线性正相关关系,发生各类断裂畸变的细胞率与剂量也呈线性正相关关系。γ射线诱发的断裂畸变主要是G2染色单体断裂畸变,断裂畸变的细胞主要是发生G2染色单体断裂畸变。A chemically induced premature chromosome condensation technique with Calyculin-A has been employed to estimate the initial chromosome damage in HepG2 condensed in G2 phase and the percentage of aberrant cells after exposure to γ-rays. The results show that the dose-response for iso-chromatid breaks is linear-quadratic manner, while chromatid-type breaks and total chromatid breaks show a positive linear dose-response. The percent tages of all kinds of aberrant cells are increasing linearly with increasing doses. G2 chromatid-type breaks and the percentage of G2 chromatid-type aberrant cells are predominate in G2 total chromatid breaks induced b y γ-rays.

English Abstract

王转子, 李文建, 杨建设, 周利斌, 魏巍, 毛淑红. γ射线对肝癌细胞G2染色体的原初损伤[J]. 原子核物理评论, 2006, 23(1): 43-45. doi: 10.11804/NuclPhysRev.23.01.043
引用本文: 王转子, 李文建, 杨建设, 周利斌, 魏巍, 毛淑红. γ射线对肝癌细胞G2染色体的原初损伤[J]. 原子核物理评论, 2006, 23(1): 43-45. doi: 10.11804/NuclPhysRev.23.01.043
WANG Zhuan-zi, LI Wen-jian, YANG Jian-she, ZHOU Li-bin, WEI Wei, MAO Shu-hong. Initial Damage of G2-chromosome in Hepatoma Cells Induced by γ-rays[J]. Nuclear Physics Review, 2006, 23(1): 43-45. doi: 10.11804/NuclPhysRev.23.01.043
Citation: WANG Zhuan-zi, LI Wen-jian, YANG Jian-she, ZHOU Li-bin, WEI Wei, MAO Shu-hong. Initial Damage of G2-chromosome in Hepatoma Cells Induced by γ-rays[J]. Nuclear Physics Review, 2006, 23(1): 43-45. doi: 10.11804/NuclPhysRev.23.01.043

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