Abstract
Using inductively coupled plasma mass spectrometry (in combination with ultrafiltration) and microemulsion electrokinetic chromatography, the drug properties of two new, potentially multi-targeting Ru(III) and Pt(IV) compounds, containing biologically active ligands, were evaluated. The ruthenium complex with bexarotene was shown to bind to albumin faster than to transferrin and exhibits much the same (to albumin) binding profile in human serum. The Pt(IV)–lonidamine complex interacts with albumin relatively slowly but possesses high stability and lipophilicity (log P 1.62), which makes it possible the cellular uptake in a free (of proteins) form. Although both examined compounds display a moderate solubility (below 10–4 M), this stands compatible with their nanomolar cytotoxic activities. The Ru(III) compound, whose active moiety is a complexed anion, is deemed promising to be loaded on nanoscale anion-exchangers with the aim of controlled delivery.
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Acknowledgements
This work was supported by the Project of the State Assignment (Vernadsky Institute of Geochemistry and Analytical Chemistry). The authors acknowledge with gratitude Dr. V. K. Karandashev for supervising ICP-MS measurements, I. V. Zenin for assistance with MEEKC experiments, and Dr. O. V. Kuznetsova for performing the artwork.
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Foteeva, L.S., Nosova, Y.N., Nazarov, A.A. et al. Versatile analytical methodology for evaluation of drug-like properties of potentially multi-targeting anticancer metallodrugs. ANAL. SCI. 38, 627–632 (2022). https://doi.org/10.1007/s44211-022-00076-9
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DOI: https://doi.org/10.1007/s44211-022-00076-9