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• W4284889543 endingPage "213016" @default.
• W4284889543 startingPage "213016" @default.
• W4284889543 abstract "Lipid-conjugated Ru(III) complexes - designed to obtain lipophilic analogues of the low molecular weight derivative AziRu, which is a NAMI-A-like anticancer agent - have been synthesized and fully characterized. A detailed biophysical investigation, including multiple, integrated techniques, allowed determining their molecular and self-assembling properties in aqueous solutions mimicking the extracellular environment, showing that our design produced a protective effect from hydrolysis of the Ru(III) complexes. In vitro biological experiments, carried out in comparison with AziRu, demonstrated that, among the novel lipophilic Ru(III) complexes synthesized, the compounds derivatized with palmitic and stearic acid, that we named PalmiPyRu and StePyRu respectively, showed attractive features and a promising antiproliferative activity, selective on specific breast cancer phenotypes. To get a deeper insight into their interactions with potential biomacromolecular targets, their ability to bind both bovine serum albumin (BSA), an abundant serum carrier protein, and some DNA model systems, including duplex and G-quadruplex structures, has been investigated by spectroscopic techniques. Inductively coupled plasma-mass spectrometry (ICP-MS) analysis of the ruthenium amount incorporated in human MCF-7 and MDA-MB-231 breast cancer cells, after incubation in parallel experiments with PalmiPyRu and AziRu, showed a markedly higher cell uptake of the lipophilic Ru(III) complex with respect to AziRu. These data confirmed that the proper lipidic tail decorating the metal complex not only favoured the formation of aggregates in the extracellular media but also improved their cell membrane penetration, thus leading to higher antiproliferative activity selective on breast cancer cells." @default.
• W4284889543 created "2022-07-09" @default.
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• W4284889543 date "2022-08-01" @default.
• W4284889543 modified "2023-10-16" @default.
• W4284889543 title "Bioengineered lipophilic Ru(III) complexes as potential anticancer agents" @default.
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• W4284889543 doi "https://doi.org/10.1016/j.bioadv.2022.213016" @default.
• W4284889543 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/35882162" @default.
• W4284889543 hasPublicationYear "2022" @default.
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