癌变·畸变·突变 ›› 2005, Vol. 17 ›› Issue (1): 30-32.doi: 10.3969/j.issn.1004-616x.2005.01.010

• 论著 • 上一篇    下一篇

采用单细胞凝胶电泳技术检测断裂剂对精子DNA损伤

宋 博1/蔡志明1/郑履康2/邓丽霞2   

  1. 北京大学深圳医院生殖外科, 广东 深圳 518036
  • 收稿日期:2004-03-21 修回日期:2004-07-05 出版日期:2005-01-30 发布日期:2005-01-30
  • 通讯作者: 宋 博

Detection of DNA Damage in Human & Mouse Sperm by Modified SCGE

SONG Bo;CAI Zhi-ming;ZHENG Lu-kang2, et al   

  1. Departemnt of Andrology,Shenzhen Hospital of Peking University,Shenzhen 518036, China
  • Received:2004-03-21 Revised:2004-07-05 Online:2005-01-30 Published:2005-01-30
  • Contact: SONG Bo

摘要: 背景与目的: 讨论精子SCGE方法的实用性,对检验指标进行比较。 材料与方法: 选择不同浓度的已知断裂剂(H2O2,MMS),对人精子进行体外染毒、小鼠进行体内染毒,采用SCGE检测精子DNA损伤,选择3种不同检测指标。 结果: 对检测指标进行相关分析,结果显示,DNA头部百分比与彗星尾长、尾矩间存在相关关系。以DNA头部百分比为指标,方差分析表明,染毒剂量存在统计学差异;q检验显示,剂量组间差异存在统计学意义;对检测指标与染毒剂量的回归方程有统计学意义。 结论: 改进的精子SCGE法可以用于化合物遗传毒性评价。检测指标间存在相关关系,在具体实践中,可根据条件选择检验指标。

关键词: 精子, DNA损伤, 单细胞凝胶电泳

Abstract: BACKGROUND & AIM: To assess whether the modified SCGE can be used in genetic toxicology. MATERIAL AND METHODS: To detect DNA damage induced by oxidant peroxide in human sperm in vitro and methyl methanesulfonate in mouse in vivo by using the modified SCGE. RESULTS: The results showed high relationship correlation among the head DNA percentage,comet length and the tail moment.Dose response relationship existed. CONCLUSION: The modified SCGE could be used to detect sperm DNA damage.

Key words: sperm, DNA, SCGE