ArticleFrontiers in pharmacology2022
Cell-penetrating peptide-conjugated copper complexes for redox-mediated anticancer therapy.
Article in Frontiers in pharmacology, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed.
- Article
- Synthesis, spectroscopic, characterization, antimicrobial, DNA interaction, DFT and molecular docking studies of a new Cu(II)-Schiff base complex.Scientific reports · 2026Article
- Article
- Article
- In Vivo Interrogation of Cell-Penetrating Peptide Function: Accumulation in Tumors and the Potential as a Specific PET Probe.Bioconjugate chemistry · 2025Article
- The Influence of Copper Nanoparticles on Neurometabolism Marker Levels in the Brain and Intestine in a Rat Model.International journal of molecular sciences · 2023Article
- Copper boosts the biostimulant activity of a vegetal-derived protein hydrolysate in basil: morpho-physiological and metabolomics insights.Frontiers in plant science · 2023Article
Corrections and comments
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Authors and funding
8 authors.
Funding
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Abstract
Metal-based chemotherapeutics like cisplatin are widely employed in cancer treatment. In the last years, the design of redox-active (transition) metal complexes, such as of copper (Cu), has attracted high interest as alternatives to overcome platinum-induced side-effects. However, several challenges are still faced, including optimal aqueous solubility and efficient intracellular delivery, and strategies like the use of cell-penetrating peptides have been encouraging. In this context, we previously designed a Cu(II) scaffold that exhibited significant reactive oxygen species (ROS)-mediated cytotoxicity. Herein, we build upon the promising Cu(II) redox-active metallic core and aim to potentiate its anticancer activity by rationally tailoring it with solubility- and uptake-enhancing functionalizations that do not alter the ROS-generating Cu(II) center. To this end, sulfonate, arginine and arginine-rich cell-penetrating peptide (CPP) derivatives have been prepared and characterized, and all the resulting complexes preserved the parent Cu(II) coordination core, thereby maintaining its reported redox capabilities. Comparative
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