ArticleProceedings of the National Academy of Sciences of the United States of America2022
Self-assembled Pt(II) metallacycles enable precise cancer combination chemotherapy.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Advances in pH-Sensitive Luminescent Transition Metal Complexes for Theranostic Applications.Chemistry, an Asian journal · 2026Review
- Engineering Novel Amphiphilic Platinum(IV) Complexes to Co-Deliver Cisplatin and Doxorubicin.Molecules (Basel, Switzerland) · 2024Article
- Lung-specific supramolecular nanoparticles for efficient delivery of therapeutic proteins and genome editing nucleases.Proceedings of the National Academy of Sciences of the United States of America · 2024Article
- Design, Synthesis, and Antitumor Evaluation of an Opioid Growth Factor Bioconjugate Targeting Pancreatic Ductal Adenocarcinoma.Pharmaceutics · 2024Article
- Supramolecular platinum complexes for cancer therapy.Current opinion in chemical biology · 2023Review
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Authors and funding
10 authors.
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Abstract
Combination chemotherapy, which involves the simultaneous use of multiple anticancer drugs in adequate combinations to disrupt multiple mechanisms associated with tumor growth, has shown advantages in enhanced therapeutic efficacy and lower systemic toxicity relative to monotherapy. Herein, we employed coordination-driven self-assembly to construct discrete Pt(II) metallacycles as monodisperse, modular platforms for combining camptothecin and combretastatin A4, two chemotherapy agents with a disparate mechanism of action, in precise arrangements for combination chemotherapy. Formulation of the drug-loaded metallacycles with folic acid–functionalized amphiphilic diblock copolymers furnished nanoparticles with good solubility and stability in physiological conditions. Folic acids on the surface of the nanoparticles promote their internalization into cancer cells. The intracellular reductive environment of cancer cells induces the release of the drug molecules at an exact 1:1 ratio, leading to a synergistic anticancer efficacy. In vivo studies on tumor-bearing mice demonstrated the favorable therapeutic outcome and minimal side effects of the combination chemotherapy approach based on a self-assembled metallacycle.
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