The Discovery of an Iridium(III) Dimer Complex as a Potent Antibacterial Agent against Non-Replicating Mycobacterium smegmatis.

Journal: Polymers
Published Date:

Abstract

Novel agents are urgently needed to rapidly kill drug-resistant . Noble metal complexes, particularly polypyridyl iridium complexes serving as therapeutic agents, have attracted considerable interest recently, due to their significant cytotoxic or antimicrobial activities. Here, we reported an polypyridyl iridium dimer complex [Ir(ppy)₂Cl]₂ (), with ppy = phenylpyridine, which was found to be active against both exponential growing and non-replicating , with minimum inhibitory concentration values of 2 μg/mL, and exhibited rapid bactericidal kinetics, killing pathogens within 30⁻60 min. Moreover, was demonstrated to generate a large amount of reactive oxygen species and to be effective in drug-resistant strains. Taken together, the selectively active iridium(III) dimer complex showed promise for use as a novel drug candidate for the treatment of infection.

Authors

  • Guojian Liao
    Institute of Modern Biopharmaceuticals, College of Pharmaceutical Sciences, Southwest University, Chongqing 400715, China. gjliao@swu.edu.cn.
  • Xixi Peng
    Institute of Modern Biopharmaceuticals, College of Pharmaceutical Sciences, Southwest University, Chongqing 400715, China. pxxxi15@163.com.
  • Ting Li
    Institute of Biomedical Engineering, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China.
  • Zhengyuan Ye
    Institute of Modern Biopharmaceuticals, College of Pharmaceutical Sciences, Southwest University, Chongqing 400715, China. yzyuan99@163.com.
  • Xiaohong Xiang
    School of Pharmacy, Chongqing Medical and Pharmaceutical College, Chongqing 401331, China. xhxiang1989@126.com.
  • Chen Fu
    Institute of Modern Biopharmaceuticals, College of Pharmaceutical Sciences, Southwest University, Chongqing 400715, China. fuchen0794@swu.edu.cn.

Keywords

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