Issue 21, 2023

Transition metal complexes as self-activating chemical nucleases: proficient DNA cleavage without any exogenous redox agents

Abstract

Chemical nucleases have found potential applications in the research fields of chemistry, biotechnology and medicine. A variety of metal complexes have been explored as good to outstanding therapeutic agents for DNA cleavage activity most likely via hydrolytic, oxidative or photoinduced cleavage pathways. However, most of these DNA cleaving agents lack their utility in in vivo applications due to their dependence on exogenous oxidants or reductants to achieve successful DNA damage. In view of addressing these issues, the development of metal complexes/organic molecules serving as self-activating chemical nucleases has received growing attention from researchers. In only the last decade, this field has dramatically expanded for the usage of chemical nucleases as therapeutic agents for DNA damage. The present study provides an overview of the opportunities and challenges in the design and development of self-activating chemical nucleases as improved DNA therapeutic candidates in the absence of an external redox agent. The reports on DNA nuclease activity via self-activation, especially with copper, zinc and iron complexes, and their mechanistic investigation have been discussed in this review article.

Graphical abstract: Transition metal complexes as self-activating chemical nucleases: proficient DNA cleavage without any exogenous redox agents

Article information

Article type
Perspective
Submitted
05 2 2023
Accepted
11 4 2023
First published
12 4 2023

Dalton Trans., 2023,52, 6961-6977

Transition metal complexes as self-activating chemical nucleases: proficient DNA cleavage without any exogenous redox agents

P. Kumar, S. Tomar, K. Kumar and S. Kumar, Dalton Trans., 2023, 52, 6961 DOI: 10.1039/D3DT00368J

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