Please use this identifier to cite or link to this item: https://scidar.kg.ac.rs/handle/123456789/12804
Title: Zinc(II) complexes with aromatic nitrogen-containing heterocycles as antifungal agents: Synergistic activity with clinically used drug nystatin
Authors: Andrejević T.
Warżajtis, Beata
Glišić, Biljana
Vojnovic, Sandra
Mojicevic, Marija
Stevanović N.
Nikodinovic-Runic, Jasmina
Rychlewska, Urszula
Djuran, Miloš
Journal: Journal of Inorganic Biochemistry
Issue Date: 1-Jul-2020
Abstract: © 2020 Elsevier Inc. Three novel Zn(II) complexes, [ZnCl2(qz)2] (1), [ZnCl2(1,5-naph)]n (2) and [ZnCl2(4,7-phen)2] (3), where qz is quinazoline, 1,5-naph is 1,5-naphthyridine and 4,7-phen is 4,7-phenanthroline, were synthesized by the reactions of ZnCl2 and the corresponding N-heterocyclic ligand in 1:2 molar ratio in ethanol at ambient temperature. The characterization of these complexes was done by NMR, IR and UV–Vis spectroscopy, and their crystal structures were determined by single-crystal X-ray diffraction analysis. Complexes 1 and 3 are mononuclear species, in which Zn(II) ion is tetrahedrally coordinated by two nitrogen atoms belonging to two qz or 4,7-phen ligands, respectively, and by two chloride anions, while complex 2 is a 1D coordination polymer that contains 1,5-naph as bridging ligand between two metal ions. In agar disc-diffusion assay, complexes 1–3 manifested good inhibitory activity against two investigated Candida strains (C. albicans and C. parapsilosis), while not inducing toxic effects on the healthy human fibroblast cell line (MRC-5). This activity was not fungicidal, as revealed by the broth microdilution assay, however complex 3 showed the ability to modulate Candida hyphae formation, which is an important process during infection and showed significant synergistic effect with clinically used antifungal polyene nystatin.
URI: https://scidar.kg.ac.rs/handle/123456789/12804
Type: article
DOI: 10.1016/j.jinorgbio.2020.111089
ISSN: 01620134
SCOPUS: 85084855564
Appears in Collections:Faculty of Science, Kragujevac

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