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JOHNSON, Alice, FENG, Xiao, SINGH, Kuldip, ORTU, Fabrizio and SUNTHARALINGAM, Kogularamanan (2023). The anti-breast cancer stem cell potency of copper(I)-non-ateroidal anti-inflammatory drug complexes. Molecules, 28 (17): 6401.
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Abstract
Cancer stem cells (CSCs) are thought to be partly responsible for metastasis and cancer relapse. Currently, there are no effective therapeutic options that can remove CSCs at clinically safe doses. Here, we report the synthesis, characterisation, and anti-breast CSC properties of a series of copper(I) complexes, comprising of non-steroidal anti-inflammatory drugs (NSAIDs) and triphenylphosphine ligands (1–3). The copper(I) complexes are able to reduce the viability of breast CSCs grown in two- and three-dimensional cultures at micromolar concentrations. The potency of the copper(I) complexes towards breast CSCs was similar to salinomycin (an established anti-breast CSC agent) and cisplatin (a clinically used metallopharmaceutical). Cell-based studies showed that the copper(I) complexes are readily, and similarly, internalised by breast CSCs. The copper(I) complexes significantly increase the intracellular reactive oxygen species (ROS) levels in breast CSCs, and their ROS generation profile with respect to time is dependent on the NSAID component present. The generation of intracellular ROS by the copper(I) complexes could be part of the underlying mechanism by which they evoke breast CSC death. As far as we are aware, this is the first study to explore the anti-breast CSC properties of copper(I) complexes.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | 0304 Medicinal and Biomolecular Chemistry; 0305 Organic Chemistry; 0307 Theoretical and Computational Chemistry; Organic Chemistry; 3404 Medicinal and biomolecular chemistry; 3405 Organic chemistry |
| Identification Number: | https://doi.org/10.3390/molecules28176401 |
| SWORD Depositor: | Symplectic Elements |
| Depositing User: | Symplectic Elements |
| Date Deposited: | 18 Sep 2023 15:59 |
| Last Modified: | 11 Oct 2023 11:46 |
| URI: | https://shura.shu.ac.uk/id/eprint/32384 |
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