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邻啡罗啉-Cu对DNA的损伤及其化学核酸酶活性

Phenanthroline Cu Complex Induced DNA Damage and Its Study as a Chemical Nuclease.

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【作者】 马文建; 曹恩华;

【Author】 MA Wen jian,CAO En hua(Institute of Biophysics , The Chinese Academy of Sciences, Beijing 100101, China).

【机构】 中国科学院生物物理研究所;

【摘要】 邻啡罗啉Cu是一种具有核酸酶活性的配合物,可产生多种形式的DNA损伤,包括碱基修饰、异常碱基位点、链断裂及交联等.近年来,邻啡罗啉Cu因其切割核酸的性质及作为一种可产生活性氧的模型,引起了学者们浓厚的兴趣,在自由基生物学与医学及核酸化学领域受到广泛的关注.

【Abstract】 Phenanthroline Cu is a complex that have nuclease activity, it can induce several kinds of DNA damage, including base modifications, abasic sites, strand breaks and DNA protein crosslinks. There is a considerable interest on this complex in recent years in the area of free radical biology and medicine as well as nucleic acids chemistry, for the role of phenanthroline Cu as a model of generating reactive oxygen species and as a chemical nuclease.

【基金】 国家自然科学基金
  • 【文献出处】 生物化学与生物物理进展 ,PROGRESS IN BIOCHEMISTRY AND BIOPHYSICS , 编辑部邮箱 ,1998年05期
  • 【分类号】Q520.4,
  • 【被引频次】7
  • 【下载频次】159
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