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Synthesis, GC selective DNA binding and topoisomerase II inhibition activities of ruthenium(II) polypyridyl complex containing 11-aminopteridino[6,7-f][1,10]phenanthrolin-13(12H)-one.

作者信息

Gao Feng, Chao Hui, Zhou Feng, Chen Xin, Wei Yuan-Fang, Ji Liang-Nian

机构信息

MOE Laboratory of Bioinorganic and Synthetic Chemistry, School of Chemistry and Chemical Engineering, Sun Yat-Sen University, Guangzhou 510275, PR China.

出版信息

J Inorg Biochem. 2008 May-Jun;102(5-6):1050-9. doi: 10.1016/j.jinorgbio.2007.12.025. Epub 2008 Jan 8.

DOI:10.1016/j.jinorgbio.2007.12.025
PMID:18295337
Abstract

A DNA-intercalating Ru(II) polypyridyl complex [Ru(bpy)2(appo)]2+ (bpy=2,2'-bipyridine, appo=11-aminopteridino[6,7-f][1,10]phenanthrolin-13(12H)-one) has been synthesized and characterized by elemental analysis, electrospray mass spectra, (1)H NMR, UV/Vis spectrum, fluorescent spectrum and electrochemistry. The DNA-binding, photocleavage, and topoisomerase inhibition of the complex was studied. Interestingly, the complex binds to DNA via an intercalative mode with preference for GC sequences and cleaves the pBR322 DNA upon irradiation. In addition, the complex shows high inhibition activity against topoisomerase II by interfere the DNA religation.

摘要

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