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Benítez FJ, Melín V, Perez-Gonzalez G, Henríquez A, Zarate X, Schott E, Contreras D. The ferryl generation by fenton reaction driven by catechol. CHEMOSPHERE 2023; 335:139155. [PMID: 37290511 DOI: 10.1016/j.chemosphere.2023.139155] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Revised: 05/26/2023] [Accepted: 06/05/2023] [Indexed: 06/10/2023]
Abstract
The Fenton and Fenton-like reactions are based on the decomposition of hydrogen peroxide catalyzed by Fe(II), primarily producing highly oxidizing hydroxyl radicals (HO∙). While HO∙ is the main oxidizing species in these reactions, Fe(IV) (FeO2+) generation has been reported as one of the primary oxidants. FeO2+ has a longer lifetime than HO∙ and can remove two electrons from a substrate, making it a critical oxidant that may be more efficient than HO∙. It is widely accepted that the preferential generation of HO∙ or FeO2+ in the Fenton reaction depends on factors such as pH and Fe: H2O2 ratio. Reaction mechanisms have been proposed to generate FeO2+, which mainly depend on the radicals generated in the coordination sphere and the HO∙ radicals that diffuse out of the coordination sphere and react with Fe(III). As a result, some mechanisms are dependent on prior HO∙ radical production. Catechol-type ligands can induce and amplify the Fenton reaction by increasing the generation of oxidizing species. Previous studies have focused on the generation of HO∙ radicals in these systems, whereas this study investigates the generation of FeO2+ (using xylidine as a selective substrate). The findings revealed that FeO2+ production is increased compared to the classical Fenton reaction and that FeO2+ generation is mainly due to the reactivity of Fe(III) with HO∙ from outside the coordination sphere. It is proposed that the inhibition of FeO2+ generation via HO∙ generated from inside the coordination sphere is caused by the preferential reaction of HO∙ with semiquinone in the coordination sphere, favoring the formation of quinone and Fe(III) and inhibiting the generation of FeO2+ through this pathway.
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Affiliation(s)
- Francisca J Benítez
- Laboratorio de Química Teórica y Computacional (QTC), Facultad de Química y de Farmacia, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Victoria Melín
- Faculty of Engineering, Universidad de Tarapacá, Avda. General Velásquez 1775, Arica 1000007, Chile
| | - Gabriel Perez-Gonzalez
- Department of Analytical and Inorganic Chemistry, Faculty of Chemical Sciences, Universidad de Concepción, Chile
| | - Adolfo Henríquez
- Department of Analytical and Inorganic Chemistry, Faculty of Chemical Sciences, Universidad de Concepción, Chile
| | - Ximena Zarate
- Instituto de Ciencias Químicas Aplicadas, Facultad de Ingeniería, Universidad Autónoma de Chile, Av. Pedro de Valdivia 425, Santiago, Chile; Millenium Nuclei on Catalytic Processes Towards Sustainable Chemistry (CSC), Chile
| | - Eduardo Schott
- Departamento de Química Inorgánica, Facultad de Química y Farmacia, Centro de Energía UC, Centro de Investigación en Nanotecnología y Materiales Avanzados CIEN-UC, Pontificia Universidad Católica de Chile, Avenida Vicuña Mackenna, 4860, Santiago, Chile; Millenium Nuclei on Catalytic Processes Towards Sustainable Chemistry (CSC), Chile
| | - David Contreras
- Department of Analytical and Inorganic Chemistry, Faculty of Chemical Sciences, Universidad de Concepción, Chile; Millenium Nuclei on Catalytic Processes Towards Sustainable Chemistry (CSC), Chile.
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Sarkar S, Das A, Mitra A, Ghosh S, Chattopadhyay S, Bandyopadhyay D. An integrated strategy to explore the potential role of melatonin against copper-induced adrenaline toxicity in rat cardiomyocytes: Insights into oxidative stress, inflammation, and apoptosis. Int Immunopharmacol 2023; 120:110301. [PMID: 37224648 DOI: 10.1016/j.intimp.2023.110301] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2023] [Revised: 04/27/2023] [Accepted: 05/05/2023] [Indexed: 05/26/2023]
Abstract
AIMS Circumstantial anxiety as well as chronic stress may stimulate the release of stress hormones including catecholamines. Adrenaline toxicity has been implicated in many cardiovascular conditions. Considering previous literature that suggests the oxidative potential of the adrenaline-copper entity, we have investigated its potential nocuous role in isolated adult rat cardiomyocytes, the underlying molecular mechanism, and its possible protection by melatonin. MAIN METHODS Given the mechanistic congruity of adrenaline-copper (AC) with the well-established H2O2-copper-ascorbate (HCA) system of free radical generation, we have used the latter as a representative model to study the cytotoxic nature of AC. We further investigated the cardioprotective efficacy of melatonin in both the stress models through scanning electron microscopy, immunofluorescence, flow cytometry, and western blot analysis. KEY FINDINGS Results show that melatonin significantly protects AC-treated cardiomyocytes from ROS-mediated membrane damage, disruption of mitochondrial membrane potential, antioxidant imbalance, and distortion of cellular morphology. Melatonin protects cardiomyocytes from inflammation by downregulating pro-inflammatory mediators viz., COX-2, NF-κB, TNF-α, and upregulating anti-inflammatory IL-10. Melatonin significantly ameliorated cardiomyocyte apoptosis in AC and HCA-treated cells as evidenced by decreased BAX/BCL-2 ratio and subsequent suppression of caspase-9 and caspase-3 levels. The isothermal calorimetric study revealed that melatonin inhibits the binding of adrenaline bitartrate with copper in solution, which fairly explains the rescue potential of melatonin against AC-mediated toxicity in cardiomyocytes. SIGNIFICANCE Findings suggest that the multipronged strategy of melatonin that includes its antioxidant, anti-inflammatory, anti-apoptotic, and overall cardioprotective ability may substantiate its potential therapeutic efficacy against adrenaline-copper-induced damage and death of adult rat cardiomyocytes.
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Affiliation(s)
- Swaimanti Sarkar
- Oxidative Stress and Free Radical Biology Laboratory, Department of Physiology, University of Calcutta, University College of Science and Technology and Agriculture, 92 APC Road, Kolkata 700 009, India
| | - Ankur Das
- Department of Physiology, University of Calcutta, University College of Science and Technology and Agriculture, 92 APC Road, Kolkata 700 009, India
| | - Ankan Mitra
- Department of Physiology, University of Calcutta, University College of Science and Technology and Agriculture, 92 APC Road, Kolkata 700 009, India
| | - Songita Ghosh
- Oxidative Stress and Free Radical Biology Laboratory, Department of Physiology, University of Calcutta, University College of Science and Technology and Agriculture, 92 APC Road, Kolkata 700 009, India
| | - Sreya Chattopadhyay
- Department of Physiology, University of Calcutta, University College of Science and Technology and Agriculture, 92 APC Road, Kolkata 700 009, India
| | - Debasish Bandyopadhyay
- Oxidative Stress and Free Radical Biology Laboratory, Department of Physiology, University of Calcutta, University College of Science and Technology and Agriculture, 92 APC Road, Kolkata 700 009, India.
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Korać Jačić J, Milenković MR, Bajuk-Bogdanović D, Stanković D, Dimitrijević M, Spasojević I. The impact of ferric iron and pH on photo-degradation of tetracycline in water. J Photochem Photobiol A Chem 2022. [DOI: 10.1016/j.jphotochem.2022.114155] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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Mohammed EN, Soliman AM, Mohamed AS. Modulatory effect of
Ovothiol‐A
on myocardial infarction induced by epinephrine in rats. J Food Biochem 2022; 46:e14296. [DOI: 10.1111/jfbc.14296] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Revised: 05/17/2022] [Accepted: 05/26/2022] [Indexed: 11/26/2022]
Affiliation(s)
| | - Amel M. Soliman
- Zoology Department, Faculty of Science Cairo University Giza Egypt
| | - Ayman S. Mohamed
- Zoology Department, Faculty of Science Cairo University Giza Egypt
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5
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An Individual Amino Acid as a Possible Prebiotic Catalyst. CHEMSYSTEMSCHEM 2021. [DOI: 10.1002/syst.202100005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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Mattioli IA, Cervini P, Cavalheiro ÉTG. Screen-printed disposable electrodes using graphite-polyurethane composites modified with magnetite and chitosan-coated magnetite nanoparticles for voltammetric epinephrine sensing: a comparative study. Mikrochim Acta 2020; 187:318. [PMID: 32388628 DOI: 10.1007/s00604-020-04259-x] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2019] [Accepted: 04/03/2020] [Indexed: 12/24/2022]
Abstract
Disposable screen-printed electrodes based on the use of graphite-polyurethane composites modified with magnetite nanoparticles (MNP-SPE) or chitosan-coated magnetite nanoparticles (CHMNP-SPE) are described. The MNP and CHMNP were synthetized and comparatively characterized by TEM, XRD, FTIR, and TGA/DTG. The MNP-SPE and CHMNP-SPE were characterized by SEM and EDX. After optimization of the MNP percentage in MNP-SPE, the materials were electrochemically characterized by cyclic voltammetry, EIS, and chronocoulometry. The electrodes were tested for their performance towards sensing of epinephrine (EP). The CHMNP-SPE is found to have better electrochemical responses in comparison to the MNP-SPE. This is assumed to be due to the chitosan coating which also protects the MNPs from oxidation under air and at different applied potential fields. The performances of the MNP-SPE and CHMNP-SPE were studied by DPV after optimization of equilibration time and DPV parameters. Response is linear in the 0.1-0.8 μM EP concentration range, at 0.03 V (vs. pseudo-Ag/AgCl), and the detection limit is 25 nM for the MNP-SPE. The linear response for the CHMNP-SPE was 0.1-0.6 μM, at 0.0 V (vs. pseudo-Ag/AgCl), and a LOD of 14 nM was achieved. The devices were used for the quantification of EP in synthetic urine and in cerebrospinal synthetic fluids. Recoveries from spiked samples are in the 95.6-102.2% range for the CHMNP-SPE and in the 98.3-109% range for MNP-SPE. The stability of the respective sensors was investigated and compared over a period of 5 months. The EP peak currents were found to decrease by only 4% for the CHMNP-SPE, while the MNP-SPE lost 23% of its EP peak current. Accordingly, the CHMNP-SPE was chosen as the most stable and sensitive sensor for EP. Graphical abstract Schematic figure of modification of a graphite-polyurethane screen-printed composite electrode with magnetite nanoparticles (MNPs) and chitosan-coated magnetite nanoparticles (CHMNPs) for the voltammetric determination of epinephrine (EP). Improved response of CHMNP-SPE (black voltammogram) in comparison to MNP-SPE (red voltammogram) was attributed to the protection of MNP from oxidation.
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Affiliation(s)
- Isabela A Mattioli
- Instituto de Química de São Carlos, Universidade de São Paulo, Av. Trabalhador São-carlense, 400, São Carlos, SP, CEP 13566-590, Brazil
| | - Priscila Cervini
- Instituto de Química de São Carlos, Universidade de São Paulo, Av. Trabalhador São-carlense, 400, São Carlos, SP, CEP 13566-590, Brazil
| | - Éder T G Cavalheiro
- Instituto de Química de São Carlos, Universidade de São Paulo, Av. Trabalhador São-carlense, 400, São Carlos, SP, CEP 13566-590, Brazil.
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Fluorescence Sensing Platforms for Epinephrine Detection Based on Low Temperature Cofired Ceramics. SENSORS 2020; 20:s20051429. [PMID: 32151107 PMCID: PMC7085728 DOI: 10.3390/s20051429] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/08/2020] [Revised: 02/27/2020] [Accepted: 03/03/2020] [Indexed: 12/14/2022]
Abstract
A novel fluorescence-sensing pathway for epinephrine (EP) detection was investigated. The ceramic-based miniature biosensor was developed through the immobilization of an enzyme (laccase, tyrosinase) on a polymer—poly-(2,6-di([2,2′-bithiophen]-5-yl)-4-(5-hexylthiophen-2-yl)pyridine), based on low temperature cofired ceramics technology (LTCC). The detection procedure was based on the oxidation of the substrate, i.e., in the presence of the enzyme. An alternative enzyme-free system utilized the formation of a colorful complex between Fe2+ ions and epinephrine molecules. With the optimized conditions, the analytical performance illustrated high sensitivity and selectivity in a broad linear range with a detection limit of 0.14–2.10 nM. Moreover, the strategy was successfully used for an EP injection test with labeled pharmacological samples.
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Jačić JK, Nikolić L, Stanković DM, Opačić M, Dimitrijević M, Savić D, Šipka SG, Spasojević I, Pristov JB. Ferrous iron binding to epinephrine promotes the oxidation of iron and impedes activation of adrenergic receptors. Free Radic Biol Med 2020; 148:123-127. [PMID: 31911148 DOI: 10.1016/j.freeradbiomed.2020.01.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/09/2019] [Revised: 12/27/2019] [Accepted: 01/01/2020] [Indexed: 11/16/2022]
Abstract
Upon release in response to stress, epinephrine (Epi) may interact with labile iron pool in human plasma with potentially important (patho)physiological consequences. We have shown that Epi and Fe3+ build stable 1:1 high-spin bidentate complex at physiological pH, and that Epi does not undergo degradation in the presence of iron. However, the interactions of Epi with the more soluble Fe2+, and the impact of iron on biological activity of Epi are still not known. Herein we showed that Epi and Fe2+ build colorless complex which is stable under anaerobic conditions. In the presence of O2, Epi promoted the oxidation of Fe2+ and the formation of Epi-Fe3+ complex. Cyclic voltammetry showed that mid-point potential of Epi-Fe2+ complex is very low (-582 mV vs. standard hydrogen electrode), which explains catalyzed oxidation of Fe2+. Next, we examined the impact of iron binding on biological performance of Epi using patch clamping in cell culture with constitutive expression of adrenergic receptors. Epi alone evoked an increase of outward currents, whereas Epi in the complex with Fe3+ did not. This implies that the binding of Epi to adrenergic receptors and their activation is prevented by the formation of complex with iron. Pro-oxidative activity of Epi-Fe2+ complex may represent a link between chronic stress and cardiovascular problems. On the other hand, labile iron could serve as a modulator of biological activity of ligands. Such interactions may be important in human pathologies that are related to iron overload or deficiency.
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Affiliation(s)
- Jelena Korać Jačić
- Department of Life Sciences, Institute for Multidisciplinary Research, University of Belgrade, 11030 Belgrade, Serbia
| | - Ljiljana Nikolić
- Institute for Biological Research 'Siniša Stanković', University of Belgrade, 11000 Belgrade, Serbia
| | - Dalibor M Stanković
- Vinča Institute of Nuclear Sciences, University of Belgrade, 11000 Belgrade, Serbia
| | - Miloš Opačić
- Department of Life Sciences, Institute for Multidisciplinary Research, University of Belgrade, 11030 Belgrade, Serbia
| | - Milena Dimitrijević
- Department of Life Sciences, Institute for Multidisciplinary Research, University of Belgrade, 11030 Belgrade, Serbia
| | - Danijela Savić
- Institute for Biological Research 'Siniša Stanković', University of Belgrade, 11000 Belgrade, Serbia
| | | | - Ivan Spasojević
- Department of Life Sciences, Institute for Multidisciplinary Research, University of Belgrade, 11030 Belgrade, Serbia.
| | - Jelena Bogdanović Pristov
- Department of Life Sciences, Institute for Multidisciplinary Research, University of Belgrade, 11030 Belgrade, Serbia
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Zhong Q, Li S, Chen J, Xie K, Pan S, Richardson JJ, Caruso F. Oxidation‐Mediated Kinetic Strategies for Engineering Metal–Phenolic Networks. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201907666] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
- Qi‐Zhi Zhong
- Centre of Excellence in Convergent Bio-Nano Science and Technology, and the Department of Chemical Engineering The University of Melbourne Parkville Victoria 3010 Australia
| | - Shiyao Li
- Centre of Excellence in Convergent Bio-Nano Science and Technology, and the Department of Chemical Engineering The University of Melbourne Parkville Victoria 3010 Australia
| | - Jingqu Chen
- Centre of Excellence in Convergent Bio-Nano Science and Technology, and the Department of Chemical Engineering The University of Melbourne Parkville Victoria 3010 Australia
| | - Ke Xie
- Department of Chemical Engineering The University of Melbourne Parkville Victoria 3010 Australia
| | - Shuaijun Pan
- Centre of Excellence in Convergent Bio-Nano Science and Technology, and the Department of Chemical Engineering The University of Melbourne Parkville Victoria 3010 Australia
| | - Joseph J. Richardson
- Centre of Excellence in Convergent Bio-Nano Science and Technology, and the Department of Chemical Engineering The University of Melbourne Parkville Victoria 3010 Australia
| | - Frank Caruso
- Centre of Excellence in Convergent Bio-Nano Science and Technology, and the Department of Chemical Engineering The University of Melbourne Parkville Victoria 3010 Australia
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10
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Zhong Q, Li S, Chen J, Xie K, Pan S, Richardson JJ, Caruso F. Oxidation‐Mediated Kinetic Strategies for Engineering Metal–Phenolic Networks. Angew Chem Int Ed Engl 2019; 58:12563-12568. [DOI: 10.1002/anie.201907666] [Citation(s) in RCA: 46] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2019] [Indexed: 12/13/2022]
Affiliation(s)
- Qi‐Zhi Zhong
- Centre of Excellence in Convergent Bio-Nano Science and Technology, and the Department of Chemical Engineering The University of Melbourne Parkville Victoria 3010 Australia
| | - Shiyao Li
- Centre of Excellence in Convergent Bio-Nano Science and Technology, and the Department of Chemical Engineering The University of Melbourne Parkville Victoria 3010 Australia
| | - Jingqu Chen
- Centre of Excellence in Convergent Bio-Nano Science and Technology, and the Department of Chemical Engineering The University of Melbourne Parkville Victoria 3010 Australia
| | - Ke Xie
- Department of Chemical Engineering The University of Melbourne Parkville Victoria 3010 Australia
| | - Shuaijun Pan
- Centre of Excellence in Convergent Bio-Nano Science and Technology, and the Department of Chemical Engineering The University of Melbourne Parkville Victoria 3010 Australia
| | - Joseph J. Richardson
- Centre of Excellence in Convergent Bio-Nano Science and Technology, and the Department of Chemical Engineering The University of Melbourne Parkville Victoria 3010 Australia
| | - Frank Caruso
- Centre of Excellence in Convergent Bio-Nano Science and Technology, and the Department of Chemical Engineering The University of Melbourne Parkville Victoria 3010 Australia
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