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• W2063720007 abstract "Searching for new promising metal-based hits against Trypanosoma cruzi and Leishmania parasites, two related oxidovanadium(IV) N-acylhydrazone complexes, [VIVO(LASSBio1064-2H)(H2O)], 1, and [VIVO(LASSBio1064-2H)(phen)]·(H2O), 2, where LASSBio1064 = (E)-N′-(2-hydroxybenzylidene-4-chlorobenzohydrazide and phen = 1,10-phenanthroline, were synthesized and characterized in the solid state and in solution by elemental analysis, conductimetric measurements and ESI-MS, FTIR, EPR and 51V NMR spectroscopies and were evaluated on T. cruzi and Leishmania major. In addition, their unspecific cytotoxicity was tested against murine macrophages. Furthermore, to provide insight into the possible mechanism of its antiparasitic action, [VO(LASSbio1064-2H)(phen)].(H2O) was tested for its DNA interaction ability on plasmid DNA by atomic force microscopy (AFM) and on CT DNA by using DNA viscosity measurements and fluorescence spectroscopy. Both complexes were active in vitro against the epimastigote form of T. cruzi (Tulahuen 2 strain) showing IC50 values of the same order or significantly lower than that of the reference trypanosomicidal drug Nifurtimox. However, only the mixed-ligand oxidovanadium(IV) complex 2, which includes phen in its coordination sphere, showed activity on L. major promastigotes with a IC50 value of 22.1 ± 0.6 μM. The compounds show low toxicity on mammalian cells (IC50 > 100 μM). DNA interaction studies showed that the mixed-ligand complex is able to interact with this biomolecule probably through an intercalative mode, pointing out at DNA as a potential target in the parasite. The results suggest that [VIVO(LASSBio1064-2H)(phen)]·(H2O) may be a promising compound for further drug development stages." @default.
• W2063720007 created "2016-06-24" @default.
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• W2063720007 date "2013-04-01" @default.
• W2063720007 modified "2023-10-16" @default.
• W2063720007 title "New oxidovanadium(IV) N -acylhydrazone complexes: Promising antileishmanial and antitrypanosomal agents" @default.
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• W2063720007 doi "https://doi.org/10.1016/j.ejmech.2012.12.036" @default.
• W2063720007 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/23353731" @default.
• W2063720007 hasPublicationYear "2013" @default.
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