Novel half Salphen cobalt(III) complexes: synthesis, DNA binding and anticancer studies

While platinum(II)-based drugs continue to be employed in cancer treatments, the escalating occurrence of severe side effects has spurred researchers to explore novel sources for potential therapeutic agents. Notably, cobalt(III) has emerged as a subject of considerable interest due to its ubiquitou...

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Veröffentlicht in:Dalton transactions : an international journal of inorganic chemistry Jg. 53; H. 14; S. 6311
Hauptverfasser: Bonsignore, Riccardo, Trippodo, Elisa, Di Gesù, Roberto, Carreca, Anna Paola, Rubino, Simona, Spinello, Angelo, Terenzi, Alessio, Barone, Giampaolo
Format: Journal Article
Sprache:Englisch
Veröffentlicht: England 02.04.2024
ISSN:1477-9234, 1477-9234
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Zusammenfassung:While platinum(II)-based drugs continue to be employed in cancer treatments, the escalating occurrence of severe side effects has spurred researchers to explore novel sources for potential therapeutic agents. Notably, cobalt(III) has emerged as a subject of considerable interest due to its ubiquitous role in human physiology. Several studies investigating the anticancer effects of Salphen complexes derived from cobalt(III) have unveiled intriguing antiproliferative properties. In a bid to enhance our understanding of this class of compounds, we synthesized and characterized two novel half Salphen cobalt(III) complexes. Both compounds exhibited notable stability, even in the presence of physiologically relevant concentrations of glutathione. The application of spectroscopic and computational methodologies unravelled their interactions with duplex and G4-DNAs, suggesting an external binding affinity for these structures, with preliminary indications of selectivity trends. Importantly, antiproliferative assays conducted on 3D cultured SW-1353 cancer cells unveiled a compelling anticancer activity at low micromolar concentrations, underscoring the potential therapeutic efficacy of this novel class of cobalt(III) complexes.
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ISSN:1477-9234
1477-9234
DOI:10.1039/d4dt00092g