ArticleMolecules (Basel, Switzerland)2014
The effect of some fluoroquinolone family members on biospeciation of copper(II), nickel(II) and zinc(II) ions in human plasma.
Article in Molecules (Basel, Switzerland), 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed, 20 citations in OpenAlex.
- Antimicrobial ZnGels (Basel, Switzerland) · 2024Article
- A perception into binary and ternary copper (II) complexes: synthesis, characterization, DFT modeling, antimicrobial activity, protein binding screen, and amino acid interaction.BMC chemistry · 2023Article
- Potential Diagnostic Significance of Salivary Copper Determination in Breast Cancer Patients: A Pilot Study.Biological trace element research · 2022Article
- Biological Effects of Quinolones: A Family of Broad-Spectrum Antimicrobial Agents.Molecules (Basel, Switzerland) · 2021Review
- A novel FRET peptide assay reveals efficient Helicobacter pylori HtrA inhibition through zinc and copper binding.Scientific reports · 2020Article
- Impact of low- and high-molecular-mass components of human serum on NAMI-A binding to transferrin.Journal of biological inorganic chemistry : JBIC : a publication of the Society of Biological Inorganic Chemistry · 2015Article
- Special issue: practical applications of metal complexes.Molecules (Basel, Switzerland) · 2015Article
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5 authors at 2 institutions in 1 country.
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Abstract
The speciation of Cu2+, Ni2+ and Zn2+ ions in the presence of the fluoroquinolones (FQs) moxifloxacin, ofloxacin, levofloxacin and ciprofloxacin, in human blood plasma was studied under physiological conditions by computer simulation. The speciation was calculated using an updated model of human blood plasma including over 6,000 species with the aid of the program Hyss2009. The identity and stability of metal-FQ complexes were determined by potentiometric (310 K, 0.15 mol/L NaCl), spectrophotometric, spectrofluorimetric, ESI-MS and 1H-NMR measurements. In the case of Cu2+ ion the concentration of main low molecular weight (LMW) plasma complex (Cu(Cis)His) is very slightly influenced by all examined FQs. FQs show much higher influence on main plasma Ni2+ and Zn2+ complexes: (Ni(His)2 and Zn(Cys)Cit, respectively. Levofloxacin exhibits the highest influence on the fraction of the main nickel complex, Ni(His)2, even at a concentration level of 3×10⁻⁵ mol/L. The same effect is seen on the main zinc complex, Zn(Cys)Cit. Calculated plasma mobilizing indexes indicate that ciprofloxacin possesses the highest mobilizing power from plasma proteins, toward copper ion, while levofloxacin is the most influential on nickel and zinc ions. The results obtained indicate that the drugs studied are safe in relation to mobilization of essential metal ions under physiological conditions. The observed effects were explained in terms of competitive equilibrium reactions between the FQs and the main LMW complexes of the metal ions.
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