Abstract
Water-soluble nanoformulation of a hydrophobic anticancer PtIV complex with a lonidamine-based ligand has been developed. Biodegradable nanocarriers (13 nm) obtained from poly(l-lactide-block-polyethylene glycol) star-shaped block copolymers were used to create the formulation. The loading of the active agent into nanoparticles was up to 3.7 wt.%, and the loading efficiency was up to 68%. It was shown that solubilization of the anticancer complex into polymeric nanoparticles did not lead to a significant decrease in its cytotoxicity. As the number of arms in the star-shaped block copolymers increased, the selectivity of the nanoformulations towards cancer cells tended to increase.
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Funding
Synthesis of polymers, preparation of nano-formulations and the study of their antiproliferative activity was carried out under financial support of the Russian Science Foundation (Project No. 18-73-10079-P). The study of morphology and physicochemical characteristics of nanoparticles was carried out in the framework of a state task of the National Research Center “Kurchatov Institute” using equipment of the Resource Centers of this National Research Center.
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Dedicated to Academician of the Russian Academy of Sciences M. P. Egorov on the occasion of his 70th birthday.
Published in Russian in Izvestiya Akademii Nauk. Seriya Khimicheskaya, Vol. 73, No. 1, pp. 213–220, January, 2024.
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Puchkov, A.A., Sedush, N.G., Nazarov, A.A. et al. Physicochemical characteristics and antiproliferative activity of a water-soluble nanoformulation of the PtIV complex with a lonidamine-based ligand. Russ Chem Bull 73, 213–220 (2024). https://doi.org/10.1007/s11172-024-4133-x
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DOI: https://doi.org/10.1007/s11172-024-4133-x