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Updated: Sep 17, 2025
11:14
Anticancer Metal Complexes: Synthesis and Cytotoxicity Evaluation by the MTT Assay
Published on: November 10, 2013
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Salen-Type Copper(II) Complexes: Synthesis, Characterization, Computational Studies, Molecular Docking, Anticancer
Abdellatif A Helaly1,2, Bandar A Babgi1, Yoji Kobayashi3
1Department of Chemistry, Faculty of Science, King Abdulaziz University (KAU), Jeddah, 21589, Saudi Arabia.
Chemistryopen
|July 1, 2025
Summary
This study synthesized novel copper(II) complexes with salen-type ligands for cancer treatment. The complex [CuII(salen)(H2O)2] showed promising anticancer activity and lower toxicity than cisplatin.
Area of Science:
- Coordination Chemistry
- Medicinal Chemistry
- Computational Chemistry
Background:
- Transition metal complexes are promising anticancer agents due to their efficacy against cancer cells.
- Organic backbone structures in existing compounds limit their potential against cancer.
- Salen copper(II) complexes offer a potential avenue for improved anticancer therapies.
Purpose of the Study:
- To synthesize and evaluate the anticancer activity of three salen copper(II) complexes.
- To predict the molecular interactions and activity of ligands and complexes using computational methods.
- To assess the therapeutic window by comparing toxicity to normal cells.
Main Methods:
- Synthesis of three salen copper(II) complexes: [CuII(salophen)(H2O)2] (1), [CuII(salen)(H2O)2] (2), and [CuII(etho-salen)(H2O)2] (3).
- Density Functional Theory (DFT) for structure optimization.
- Molecular docking against cyclin-dependent kinase 5 (Cdk5) and aromatase cytochrome (P450).
- In vitro anticancer screening against MCF-7 and HCT-116 cell lines.
Main Results:
- Complex [CuII(salen)(H2O)2] (2) exhibited the best docking scores and lowest RMSD against Cdk5 and P450.
- Complex (2) demonstrated significant anticancer activity with IC50 values of 212.5 μm (MCF-7) and 98.9 μm (HCT-116).
- Complex (2) showed reduced toxicity toward normal HFF-1 fibroblasts compared to cisplatin, suggesting a better therapeutic index.
Conclusions:
- The synthesized salen copper(II) complexes, particularly [CuII(salen)(H2O)2] (2), show potential as anticancer agents.
- Computational docking studies effectively predicted the activity of these complexes.
- The favorable therapeutic window of complex (2) warrants further investigation for clinical applications.
Keywords:
ADMET predictionDFTSchiff basebiological activitiescopper complexescytotoxicitysalen‐type ligandsMore Related Videos
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