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- W3014201214 abstract "Abstract Alzheimer’s Disease (AD) is a devastating neurodegenerative disorder where one of the commonly observed pathological hallmarks is extracellular deposits of the peptide amyloid-β (Aβ). These deposits contain a high concentration of metals and initially presented a promising target for therapy; however it has become increasingly evident that the soluble form of the peptide is neurotoxic, not the amyloidogenic species. Metal-based therapeutics are uniquely suited to target soluble Aβ and have shown considerable promise to prevent the aggregation and induced cytotoxicity of the peptide in vitro. Herein, we have prepared a small series of derivatives of two promising Ru(iii) complexes NAMI-A (imidazolium [trans-RuCl4(1H-imidazole)(dimethyl sulfoxide-S)]) and PMRU20 (2-aminothiazolium [trans-RuCl4(2-aminothiazole)2]), to determine structure–activity relationships (SAR) for Ru(iii) therapeutics for AD. Using the three complementary methods of Thioflavin T fluorescence, dynamic light scattering (DLS), and transmission electron microscopy (TEM), it was determined that the symmetry around the metal center did not significantly impact the activity of the complexes, but rather the attached thiazole ligand(s) mitigated Aβ aggregation. Across both families of Ru(iii) complexes the determined SAR for the functional groups on the thiazole ligands to modulate Aβ aggregation were NH2 > CH3 > H. These results highlight the importance of secondary interactions between the metallotherapeutic and the Aβ peptide where hydrogen-bonding has the greatest impact on modulating Aβ aggregation." @default.
- W3014201214 created "2020-04-10" @default.
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- W3014201214 date "2020-04-01" @default.
- W3014201214 modified "2023-10-03" @default.
- W3014201214 title "Ruthenium(<scp>iii</scp>) complexes containing thiazole-based ligands that modulate amyloid-β aggregation" @default.
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- W3014201214 doi "https://doi.org/10.1039/d0mt00054j" @default.
- W3014201214 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/32239079" @default.
- W3014201214 hasPublicationYear "2020" @default.
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