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Recent Progress in Polynuclear Ruthenium Complex-Based DNA Binders/Structural Probes and Anticancer Agents

Author(s):

Si-Qi Zhang, Li-Hua Gao, Hua Zhao and Ke-Zhi Wang*   Pages 1 - 18 ( 18 )

Abstract:


Ruthenium complexes have stood out by several mononuclear complexes which have entered into clinical trials, such as imidazolium [trans-RuCl4(1H-imidazole)(DMSO-S)] (NAMI-A) and ([Ru(II)(4,4ʹ-dimethyl-2, ʹ-bipyridine)2-(2(2 ʹ-,2 ʹ ʹ:5 ʹ ʹ,2 ʹ ʹ ʹ - terthiophene)-imidazo[4,5-f][1,10]phenanthroline)]2+) (TLD-1433), opening a new avenue for developing promising ruthenium-based anticancer drugs alternative to Cisplatin. Polynuclear ruthenium complexes were reported to exhibit synergistic and/or complementary effects: the enhanced DNA structural recognition and DNA binding as well as in vitro anticancer activities. This review overviews some representative polynuclear ruthenium complexes acting as DNA structural probes, DNA binders and in vitro anticancer agents, which were developed during last decades. These complexes are reviewed according to two main categories of homo-polynuclear and hetero-polynuclear complexes, each of which is further clarified into the metal centers linked by rigid and flexible bridging ligands. The perspective, challenges and future efforts for investigations into these exciting complexes are pointed out or suggested.

Keywords:

Ruthenium, DNA, DNA structural probe, cytotoxicity, binding mode

Affiliation:

Beijing Key Laboratory of Energy Conversion and Storage Materials, College of Chemistry, Beijing Normal University, Beijing 100875, School of Science, Beijing Technology and Business University, Key Laboratory of Cosmetic (Beijing Technology and Business University), China National Light Industry, Beijing 100048, School of Science, Beijing Technology and Business University, Key Laboratory of Cosmetic (Beijing Technology and Business University), China National Light Industry, Beijing 100048, Beijing Key Laboratory of Energy Conversion and Storage Materials, College of Chemistry, Beijing Normal University, Beijing 100875



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