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- W2334677746 abstract "Macromolecular ruthenium complexes are a promising avenue to better, and more selective, chemotherapeutics. NAMI-A is a ruthenium(III) drug in Phase II clinical trials that has low cytotoxicity and is inactive against primary tumors. However, it displays both antiangiogenic and anti-invasive properties and has been shown to specifically target tumor metastases, preventing both development and growth. To increase the cytotoxicity and cell uptake of this promising drug, we designed a biocompatible amphiphilic block copolymer capable of self-assembling into polymeric micelles. An appropriate method for the synthesis of a macromolecular NAMI-A drug was identified—the polymerization of vinyl imidazole and subsequent addition of a ruthenium(III) precursor complex. The cytotoxicity of these polymeric moieties was tested on ovarian cancer A2780 and Ovcar-3 and pancreatic AsPC-1 cancer cell lines. On average, across the tested cell lines, a 1.5 times increase in toxicity was found for the NAMI-A copolymer micelles when compared to the NAMI-A molecule. Furthermore, the antimetastatic potential was assessed by evaluating the inhibitory effects on the migration and invasion of cells against three cell lines characterized by differing degrees of malignancy (MDA-MB-231 > MCF-7 > CHO). The NAMI-A micelles were shown to have an improved antimetastatic potential in comparison to NAMI-A." @default.
- W2334677746 created "2016-06-24" @default.
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- W2334677746 date "2014-02-26" @default.
- W2334677746 modified "2023-10-01" @default.
- W2334677746 title "Superior Chemotherapeutic Benefits from the Ruthenium-Based Anti-Metastatic Drug NAMI-A through Conjugation to Polymeric Micelles" @default.
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- W2334677746 doi "https://doi.org/10.1021/ma402078d" @default.
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