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Alsiraey N, Malinski T, Dewald HD. Using Metalloporphyrin Nanosensors for In Situ Monitoring and Measurement of Nitric Oxide and Peroxynitrite in a Single Human Neural Progenitor Cell. ACS Sens 2024; 9:3037-3047. [PMID: 38773722 DOI: 10.1021/acssensors.4c00234] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/24/2024]
Abstract
Nitric oxide (NO) is an inorganic signaling molecule that plays a crucial role in the regulation of numerous physiological functions. An oxidation product of the cytoprotective NO is cytotoxic peroxynitrite (ONOO-). In biological systems, the concentrations of NO and ONOO- are typically transient, ranging from nanomolar to micromolar, and these increases are normally followed by a swift return to their basal levels due to their short life spans. To understand the vital physiological role of NO and ONOO- in vitro and in vivo, sensitive and selective methods are necessary for direct and continuous NO and ONOO- measurements in real time. Because electrochemical methods can be adjusted for selectivity, sensitivity, and biocompatibility in demanding biological environments, they are suitable for real-time monitoring of NO and ONOO- release. Metalloporphyrin nanosensors, described here, have been designed to measure the concentration of NO and ONOO- produced by a single human neural progenitor cell (hNPC) in real time. These nanosensors (200-300 nm in diameter) can be positioned accurately in the proximity of 4-5 ± 1 μm from an hNPC membrane. The response time of the sensors is better than a millisecond, while detection limits for NO and ONOO- are 1 × 10-9 and 3 × 10-9 mol/L, respectively, with a linear concentration response of up to about 1 μM. The application of these metalloporphyrin nanosensors for the efficient measurement of the concentrations of NO and ONOO- in hNPCs is demonstrated, providing an opportunity to observe in real time the molecular changes of the two signaling molecules in situ.
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Affiliation(s)
- Nouf Alsiraey
- Department of Chemistry and Biochemistry, Ohio University, Athens, Ohio 45701, United States
- Department of Chemistry, Faculty of Science, Northern Border University, Arar 91431, Saudi Arabia
| | - Tadeusz Malinski
- Department of Chemistry and Biochemistry, Ohio University, Athens, Ohio 45701, United States
| | - Howard D Dewald
- Department of Chemistry and Biochemistry, Ohio University, Athens, Ohio 45701, United States
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Kondengadan SM, Wang B. Quantitative Factors Introduced in the Feasibility Analysis of Reactive Oxygen Species (ROS)-Sensitive Triggers. Angew Chem Int Ed Engl 2024; 63:e202403880. [PMID: 38630918 PMCID: PMC11192588 DOI: 10.1002/anie.202403880] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2024] [Revised: 04/11/2024] [Accepted: 04/16/2024] [Indexed: 04/19/2024]
Abstract
Reactive oxygen species (ROS) are critical for cellular signaling. Various pathophysiological conditions are also associated with elevated levels of ROS. Hence, ROS-sensitive triggers have been extensively used for selective payload delivery. Such applications are predicated on two key functions: (1) a sufficient magnitude of concentration difference for the interested ROS between normal tissue/cells and intended sites and (2) appropriate reaction kinetics to ensure a sufficient level of selectivity for payload release. Further, ROS refers to a group of species with varying reactivity, which should not be viewed as a uniform group. In this review, we critically analyze data on the concentrations of different ROS species under various pathophysiological conditions and examine how reaction kinetics affect the success of ROS-sensitive linker chemistry. Further, we discuss different ROS linker chemistry in the context of their applications in drug delivery and imaging. This review brings new insights into research in ROS-triggered delivery, highlights factors to consider in maximizing the chance for success and discusses pitfalls to avoid.
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Affiliation(s)
- Shameer M. Kondengadan
- Department of Chemistry and Center for Diagnostics and Therapeutics, Georgia State University, Atlanta, GA 30303, USA
| | - Binghe Wang
- Department of Chemistry and Center for Diagnostics and Therapeutics, Georgia State University, Atlanta, GA 30303, USA
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3
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Kim YL, Plank JT, Li B, Lippert AR. Kinetics-Based Quantification of Peroxynitrite Using the Oxidative Decarbonylation of Isatin. Anal Chem 2022; 94:17803-17809. [PMID: 36520991 DOI: 10.1021/acs.analchem.2c03474] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Peroxynitrite and its radical decomposition products are highly reactive nitrogen and oxygen species that can influence the balance between health and disease in multiple organ systems. Despite vigorous research activity, real-time quantitative monitoring of peroxynitrite generated by donor compounds remains challenging. Here, we report a kinetics-based fluorescence method for quantitative tracking of peroxynitrite generation using the oxidative decarbonylation of isatin to form anthranilic acid as a fluorescent probe. This method relies on knowledge of the rate of the reaction of peroxynitrite with the probe, which we measure using stopped-flow fluorescence techniques. To the best of our knowledge, this is the first optical method capable of providing real-time quantitative measures of peroxynitrite concentrations generated from donor compounds, as demonstrated herein for SIN-1 and Angeli's salt.
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Affiliation(s)
- Yujin L Kim
- Department of Chemistry, Southern Methodist University, Dallas, Texas75275-0314, United States
| | - Joshua T Plank
- Department of Chemistry, Southern Methodist University, Dallas, Texas75275-0314, United States
| | - Bo Li
- Department of Chemistry, Southern Methodist University, Dallas, Texas75275-0314, United States
| | - Alexander R Lippert
- Department of Chemistry, Southern Methodist University, Dallas, Texas75275-0314, United States
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A Two-Photon Fluorescent Probe for the Visual Detection of Peroxynitrite in Living Cells and Zebrafish. Molecules 2022; 27:molecules27154858. [PMID: 35956806 PMCID: PMC9369896 DOI: 10.3390/molecules27154858] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2022] [Revised: 07/22/2022] [Accepted: 07/23/2022] [Indexed: 11/17/2022] Open
Abstract
Peroxynitrite (ONOO−), as an important reactive oxygen species (ROS), holds great potential to react with a variety of biologically active substances, leading to the occurrence of various diseases such as cancer and neurodegenerative diseases. In this work, we developed a novel mitochondria-localized fluorescent probe, HDBT-ONOO−, which was designed as a mitochondria-targeting two-photon fluorescence probe based on 1,8-naphthylimide fluorophore and the reactive group of 4-(bromomethyl)-benzene boronic acid pinacol ester. More importantly, the probe exhibited good biocompatibility, sensitivity, and selectivity, enabling its successful application in imaging the generation of intracellular and extracellular ONOO−. Furthermore, exogenous and endogenous ONOO− products in live zebrafish were visualized. It is greatly expected that the designed probe can serve as a useful imaging tool for clarifying the distribution and pathophysiological functions of ONOO− in cells and zebrafish.
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Apak R, Calokerinos A, Gorinstein S, Segundo MA, Hibbert DB, Gülçin İ, Demirci Çekiç S, Güçlü K, Özyürek M, Çelik SE, Magalhães LM, Arancibia-Avila P. Methods to evaluate the scavenging activity of antioxidants toward reactive oxygen and nitrogen species (IUPAC Technical Report). PURE APPL CHEM 2021. [DOI: 10.1515/pac-2020-0902] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Abstract
This project was aimed to identify the quenching chemistry of biologically important reactive oxygen and nitrogen species (ROS/RNS, including radicals), to show antioxidant action against reactive species through H‐atom and electron transfer reactions, and to evaluate the ROS/RNS scavenging activity of antioxidants with existing analytical methods while emphasizing the underlying chemical principles and advantages/disadvantages of these methods. In this report, we focused on the applications and impact of existing assays on potentiating future research and innovations to evolve better methods enabling a more comprehensive study of different aspects of antioxidants and to provide a vocabulary of terms related to antioxidants and scavengers for ROS/RNS. The main methods comprise the scavenging activity measurement of the hydroxyl radical (•OH), dioxide(•1–) (O2
•–: commonly known as the superoxide radical), dihydrogen dioxide (H2O2: commonly known as hydrogen peroxide), hydroxidochlorine (HOCl: commonly known as hypochlorous acid), dioxidooxidonitrate(1–) (ONOO−: commonly known as the peroxynitrite anion), and the peroxyl radical (ROO•). In spite of the diversity of methods, there is currently a great need to evaluate the scavenging activity of antioxidant compounds in vivo and in vitro. In addition, there are unsatisfactory methods frequently used, such as non-selective UV measurement of H2O2 scavenging, producing negative errors due to incomplete reaction of peroxide with flavonoids in the absence of transition metal ion catalysts. We also discussed the basic mechanisms of spectroscopic and electrochemical nanosensors for measuring ROS/RNS scavenging activity of antioxidants, together with leading trends and challenges and a wide range of applications. This project aids in the identification of reactive species and quantification of scavenging extents of antioxidants through various assays, makes the results comparable and more understandable, and brings a more rational basis to the evaluation of these assays and provides a critical evaluation of existing ROS/RNS scavenging assays to analytical, food chemical, and biomedical/clinical communities by emphasizing the need for developing more refined, rapid, simple, and low‐cost assays and thus opening the market for a wide range of analytical instruments, including reagent kits and sensors.
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Affiliation(s)
- Reşat Apak
- Department of Chemistry , Istanbul University-Cerrahpaşa, Faculty of Engineering , Avcılar, 34320 Istanbul , Turkey
| | - Antony Calokerinos
- Department of Chemistry , National and Kapodistrian University of Athens, School of Sciences , Panepistimiopolis, 15771 Athens , Greece
| | - Shela Gorinstein
- The Hebrew University, Hadassah Medical School, School of Pharmacy, The Institute for Drug Research , Jerusalem , Israel
| | - Marcela Alves Segundo
- Department of Chemical Sciences , LAQV, REQUIMTE, Faculty of Pharmacy, University of Porto , Rua de Jorge Viterbo Ferreira, 228, 4050-313 Porto , Portugal
| | - David Brynn Hibbert
- New South Wales University, School of Chemistry , Sydney , NSW 2052 , Australia
| | - İlhami Gülçin
- Department of Chemistry , Faculty of Science, Atatürk University , Erzurum , Turkey
| | - Sema Demirci Çekiç
- Department of Chemistry , Istanbul University-Cerrahpaşa, Faculty of Engineering , Avcılar, 34320 Istanbul , Turkey
| | - Kubilay Güçlü
- Department of Chemistry , Adnan Menderes University, Faculty of Arts and Sciences , Aydın , Turkey
| | - Mustafa Özyürek
- Department of Chemistry , Istanbul University-Cerrahpaşa, Faculty of Engineering , Avcılar, 34320 Istanbul , Turkey
| | - Saliha Esin Çelik
- Department of Chemistry , Istanbul University-Cerrahpaşa, Faculty of Engineering , Avcılar, 34320 Istanbul , Turkey
| | - Luís M. Magalhães
- Department of Chemical Sciences , LAQV, REQUIMTE, Faculty of Pharmacy, University of Porto , Rua de Jorge Viterbo Ferreira, 228, 4050-313 Porto , Portugal
| | - Patricia Arancibia-Avila
- Departamento de Ciencias Básicas , Laboratorio de Ecofisiología y Microalgas, Universidad del Bio-Bio , Chillán , Chile
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SK M, Nandi S, Singh RK, Trivedi V, Biswas S. Selective Sensing of Peroxynitrite by Hf-Based UiO-66-B(OH)2 Metal–Organic Framework: Applicability to Cell Imaging. Inorg Chem 2018; 57:10128-10136. [DOI: 10.1021/acs.inorgchem.8b01310] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
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Khan A, Dawoud H, Malinski T. Nanomedical studies of the restoration of nitric oxide/peroxynitrite balance in dysfunctional endothelium by 1,25-dihydroxy vitamin D 3 - clinical implications for cardiovascular diseases. Int J Nanomedicine 2018; 13:455-466. [PMID: 29416330 PMCID: PMC5788997 DOI: 10.2147/ijn.s152822] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023] Open
Abstract
Background Clinical studies indicate that vitamin D3 improves circulation and may have beneficial effects in hypertension. This study uses nanomedical systems to investigate the role of 1,25-dihydroxy vitamin D3 in the preservation/restoration of endothelial function in an angiotensin II (Ang II) cellular model of hypertension. Methods 1,25-dihydroxy vitamin D3-stimulated nitric oxide (NO) and peroxynitrite (ONOO−) concentrations were measured in situ with nanosensors (200–300 mm diameter with a detection limit of 1 nM) in human umbilical vein endothelial cells of African American (AA) and Caucasian American (CA) donors exposed to Ang II. The balance/imbalance between NO and ONOO− concentrations ([NO]/[ONOO−]) was simultaneously monitored and used as an indicator of endothelial nitric oxide synthase (eNOS) uncoupling and endothelial dysfunction. Results [NO]/[ONOO−] imbalance in Ang II-stimulated dysfunctional endothelium was 0.20±0.16 for CAs and 0.11±0.09 for AAs. Uncoupled eNOS and overexpression of nicotinamide adenine dinucleotide phosphate (NADPH) oxidase contributed to high production of ONOO−. Vitamin D3 treatment reversed [NO]/[ONOO−] to 3.0±0.1 in CAs and 2.1±0.1 in AAs – exceeding that observed in normal endothelium. Vitamin D3 restored uncoupled eNOS and endothelial function by increasing cytoprotective NO and decreasing the cytotoxic ONOO−. The beneficial effect of vitamin D3 is associated with a favorable rate of NO and ONOO− release, restoration of the [NO]/[ONOO−] and the overall decrease in the overexpression of eNOS, inducible nitric oxide synthase and NADPH oxidase. This effect of vitamin D3 may prove to be beneficial in the treatment of hypertension and other cardiovascular diseases, including heart failure, myocardial infarction, vasculopathy, stroke and diabetes.
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Affiliation(s)
- Alamzeb Khan
- Department of Chemistry & Biochemistry, Nanomedical Research Laboratories, Ohio University, Athens, OH, USA
| | - Hazem Dawoud
- Department of Chemistry & Biochemistry, Nanomedical Research Laboratories, Ohio University, Athens, OH, USA
| | - Tadeusz Malinski
- Department of Chemistry & Biochemistry, Nanomedical Research Laboratories, Ohio University, Athens, OH, USA
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Ríos N, Prolo C, Álvarez MN, Piacenza L, Radi R. Peroxynitrite Formation and Detection in Living Cells. Nitric Oxide 2017. [DOI: 10.1016/b978-0-12-804273-1.00021-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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Wu J, Yang Y, Zhang L, Wang H, Yang M, Yuan J. A visible-light-excited Eu3+complex-based luminescent probe for highly sensitive time-gated luminescence imaging detection of intracellular peroxynitrite. J Mater Chem B 2017; 5:2322-2329. [DOI: 10.1039/c7tb00345e] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
A visible-light-excited europium complex was developed for highly sensitive imaging of intracellular peroxynitrite with time-gated luminescence mode.
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Affiliation(s)
- Jing Wu
- School of Chemistry and Chemical Engineering
- Liaoning Normal University
- China
| | - Yuzhu Yang
- School of Chemistry and Chemical Engineering
- Liaoning Normal University
- China
| | - Lin Zhang
- School of Chemistry and Chemical Engineering
- Liaoning Normal University
- China
| | - Huan Wang
- School of Chemistry and Chemical Engineering
- Liaoning Normal University
- China
| | - Mei Yang
- School of Chemistry and Chemical Engineering
- Liaoning Normal University
- China
| | - Jingli Yuan
- State Key Laboratory of Fine Chemicals
- School of Chemistry
- Dalian University of Technology
- Dalian 116024
- China
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Peteu SF, Whitman BW, Galligan JJ, Swain GM. Electrochemical detection of peroxynitrite using hemin-PEDOT functionalized boron-doped diamond microelectrode. Analyst 2016; 141:1796-806. [PMID: 26862713 PMCID: PMC4777311 DOI: 10.1039/c5an02587g] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Peroxynitrite is a potent nitroxidation agent and highly reactive metabolite, clinically correlated with a rich pathophysiology. Its sensitive and selective detection is challenging due to its high reactivity and short sub-second lifetime. Boron-doped diamond (BDD) microelectrodes have attracted interest because of their outstanding electroanalytical properties that include a wide working potential window and enhanced signal-to-noise ratio. Herein, we report on the modification of a BDD microelectrode with an electro-polymerized film of hemin and polyethylenedioxythiophene (PEDOT) for the purpose of selectively quantifying peroxynitrite. The nanostructured modified polymer layer was characterized by Raman spectroscopy and scanning electron microscopy (SEM). The electrochemical response to peroxynitrite was studied by voltammetry and time-based amperometry. The measured detection limit was 10 ± 0.5 nM (S/N = 3), the sensitivity was 4.5 ± 0.5 nA nM(-1) and the response time was 3.5 ± 1 s. The hemin-PEDOT BDD sensors exhibited a response variability of 5% or less (RSD). The stability of the sensors after a 20-day storage in 0.1 M PB (pH 7.4) at 4 °C was excellent as at least 93% of the initial response to 50 nM PON was maintained. The presence of PEDOT was correlated with a sensitivity increase.
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Affiliation(s)
- Serban F Peteu
- Department of Chemistry and the Neuroscience Program, 578 S. Shaw Lane. and Michigan State University, East Lansing, Michigan 48824-1322, USA. and Department of Chemical Engineering and Materials Science, 428 S. Shaw Lane and Michigan State University, East Lansing, Michigan 48824-1226, USA
| | - Brandon W Whitman
- Department of Chemistry and the Neuroscience Program, 578 S. Shaw Lane. and Michigan State University, East Lansing, Michigan 48824-1322, USA.
| | - James J Galligan
- Department of Pharmacology and Toxicology, and the Neuroscience Program, B440 Life Sciences Building and Michigan State University, East Lansing, MI 48824-1317, USA
| | - Greg M Swain
- Department of Chemistry and the Neuroscience Program, 578 S. Shaw Lane. and Michigan State University, East Lansing, Michigan 48824-1322, USA.
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Liu X, Dumitrescu E, Andreescu S. Electrochemical Biosensors for Real-Time Monitoring of Reactive Oxygen and Nitrogen Species. ACS SYMPOSIUM SERIES 2015. [DOI: 10.1021/bk-2015-1200.ch013] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Affiliation(s)
- Xiaobo Liu
- Department of Chemistry & Biomolecular Science, Clarkson University, 8 Clarkson Avenue, Potsdam, New York 13699-5810
| | - Eduard Dumitrescu
- Department of Chemistry & Biomolecular Science, Clarkson University, 8 Clarkson Avenue, Potsdam, New York 13699-5810
| | - Silvana Andreescu
- Department of Chemistry & Biomolecular Science, Clarkson University, 8 Clarkson Avenue, Potsdam, New York 13699-5810
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Peteu SF, Boukherroub R, Szunerits S. Nitro-oxidative species in vivo biosensing: Challenges and advances with focus on peroxynitrite quantification. Biosens Bioelectron 2014; 58:359-73. [DOI: 10.1016/j.bios.2014.02.025] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2013] [Revised: 01/20/2014] [Accepted: 02/10/2014] [Indexed: 12/28/2022]
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Oprea R, Peteu SF, Subramanian P, Qi W, Pichonat E, Happy H, Bayachou M, Boukherroub R, Szunerits S. Peroxynitrite activity of hemin-functionalized reduced graphene oxide. Analyst 2013; 138:4345-52. [PMID: 23730686 DOI: 10.1039/c3an00678f] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
Conducting interfaces modified with reduced graphene oxide (rGO) have shown improved electrochemical response for different analytes. The efficient formation of functionalized rGO based materials is thus of current interest for the development of sensitive and selective biosensors. Herein, we report a simple and environmentally friendly method for the formation of a hemin-functionalized rGO hybrid nanomaterial that exhibits remarkable sensitivity to peroxynitrite (ONOO(-)) in solution. The hemin-functionalized rGO hybrid nanomaterial was formed by mixing an aqueous solution of graphene oxide (GO) with hemin and sonicating the suspension for 5 h at room temperature. In addition to playing a key role in biochemical and electrocatalytic reactions, hemin has been proven to be a good reducing agent for GO. The sensitivity of the peroxynitrite sensor is ≈7.5 ± 1.5 nA mM(-1) with a detection limit of 5 ± 1.5 nM.
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Affiliation(s)
- Raluca Oprea
- Institut de Recherche Interdisciplinaire (IRI, USR 3078), Université Lille1, Parc de la Haute Borne, 50 Avenue de Halley, BP 70478, 59658 Villeneuve d'Ascq, France
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Peteu SF, Bose T, Bayachou M. Polymerized hemin as an electrocatalytic platform for peroxynitrite's oxidation and detection. Anal Chim Acta 2013; 780:81-8. [DOI: 10.1016/j.aca.2013.03.057] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2012] [Revised: 03/17/2013] [Accepted: 03/22/2013] [Indexed: 10/27/2022]
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Ambikapathi G, Kempahanumakkagari SK, Ramappa Lamani B, Kuramkote Shivanna D, Bodagur Maregowda H, Gupta A, Malingappa P. Bioimaging of Peroxynitrite in MCF-7 Cells by a New Fluorescent Probe Rhodamine B Phenyl Hydrazide. J Fluoresc 2013; 23:705-12. [DOI: 10.1007/s10895-013-1205-y] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2013] [Accepted: 02/24/2013] [Indexed: 12/23/2022]
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Burewicz A, Dawoud H, Jiang LL, Malinski T. Nitric Oxide/Peroxynitrite Redox Imbalance in Endothelial Cells Measured with Amperometric Nanosensors. ACTA ACUST UNITED AC 2013. [DOI: 10.4236/ajac.2013.410a1004] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Mülazımoğlu AD, Mülazımoğlu İE. Electrochemical Properties of MDA/GC Electrode and Investigation of Usability as Sensor Electrode for Determination of Que, Kae, Lut and Gal Using CV, DPV and SWV. FOOD ANAL METHOD 2012. [DOI: 10.1007/s12161-012-9426-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Nyokong T, Bedioui F. Self-assembled monolayers and electropolymerized thin films of phthalocyanines as molecular materials for electroanalysis. J PORPHYR PHTHALOCYA 2012. [DOI: 10.1142/s1088424606000454] [Citation(s) in RCA: 45] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
In this review, we report on the newly developed area of research devoted to the formation of self-assembled monolayers of metallophthalocyanines by focusing on some significant examples dedicated to electroanalytical applications. We also summarize recent examples on the use of electropolymerized metallophthalocyanine films in electroanalysis. In both cases, activation and detection of thiols are the main targeted applications.
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Affiliation(s)
- Tebello Nyokong
- Department of Chemistry, Rhodes University, Grahamstown 6140, South Africa
| | - Fethi Bedioui
- Unité de Pharmacologie Chimique et Génétique, UMR 8151 CNRS/U 640 INSERM, Ecole Nationale Supérieure de Chimie de Paris, 11 rue Pierre et Marie Curie, 75231 Paris cedex 05, France
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Yu F, Song P, Li P, Wang B, Han K. A fluorescent probe directly detect peroxynitrite based on boronate oxidation and its applications for fluorescence imaging in living cells. Analyst 2012; 137:3740-9. [DOI: 10.1039/c2an35246j] [Citation(s) in RCA: 77] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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Arasimowicz-Jelonek M, Floryszak-Wieczorek J. Understanding the fate of peroxynitrite in plant cells--from physiology to pathophysiology. PHYTOCHEMISTRY 2011; 72:681-8. [PMID: 21429536 DOI: 10.1016/j.phytochem.2011.02.025] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/29/2010] [Revised: 02/18/2011] [Accepted: 02/24/2011] [Indexed: 05/23/2023]
Abstract
Peroxynitrite (ONOO(-)) is a potent oxidant and nitrating species, generated by the reaction of nitric oxide and superoxide in one of the most rapid reactions known in biology. It is widely accepted that an enhanced ONOO(-) formation contributes to oxidative and nitrosative stress in various biological systems. However, an increasing number of studies have reported that ONOO(-) cannot only be considered as a mediator of cellular dysfunction, but also behaves as a potent modulator of the redox regulation in various cell signal transduction pathways. Although the formation of ONOO(-) has been demonstrated in vivo in plant cells, the relevance of this molecule during plant physiological responses is still far from being clarified. Admittedly, the detection of protein tyrosine nitration phenomena provides some justification to the speculations that ONOO() is generated during various plant stress responses associated with pathophysiological mechanisms. On the other hand, it was found that ONOO(-) itself is not as toxic for plant cells as it is for animal ones. Based on the concepts of the role played by ONOO(-) in biological systems, this review is focused mainly on the search for potential functions of ONOO(-) in plants. Moreover, it is also an attempt to stimulate a discussion on the significance of protein nitration as a paradigm in signal modulation, since the newest reports identified proteins associated with signal transduction cascades within the plant nitroproteome.
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Quinton D, Girard A, Thi Kim LT, Raimbault V, Griscom L, Razan F, Griveau S, Bedioui F. On-chip multi-electrochemical sensor array platform for simultaneous screening of nitric oxide and peroxynitrite. LAB ON A CHIP 2011; 11:1342-1350. [PMID: 21321748 DOI: 10.1039/c0lc00585a] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
In this work we report on the design, microfabrication and analytical performances of a new electrochemical sensor array (ESA) which allows for the first time the simultaneous amperometric detection of nitric oxide (NO) and peroxynitrite (ONOO(-)), two biologically relevant molecules. The on-chip device includes individually addressable sets of gold ultramicroelectrodes (UMEs) of 50 µm diameter, Ag/AgCl reference electrode and gold counter electrode. The electrodes are separated into two groups; each has one reference electrode, one counter electrode and 110 UMEs specifically tailored to detect a specific analyte. The ESA is incorporated on a custom interface with a cell culture well and spring contact pins that can be easily interconnected to an external multichannel potentiostat. Each UME of the network dedicated to the detection of NO is electrochemically modified by electrodepositing thin layers of poly(eugenol) and poly(phenol). The detection of NO is performed amperometrically at 0.8 V vs. Ag/AgCl in phosphate buffer solution (PBS, pH = 7.4) and other buffers adapted to biological cell culture, using a NO-donor. The network of UMEs dedicated to the detection of ONOO(-) is used without further chemical modification of the surface and the uncoated gold electrodes operate at -0.1 V vs. Ag/AgCl to detect the reduction of ONOOH in PBS. The selectivity issue of both sensors against major biologically relevant interfering analytes is examined. Simultaneous detection of NO and ONOO(-) in PBS is also achieved.
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Affiliation(s)
- Damien Quinton
- Unité de Pharmacologie Chimique et Génétique et Imagerie, CNRS 8151, École Nationale Supérieure de Chimie de Paris, Chimie ParisTech, Université Paris Descartes, Paris, France
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Koh WCA, Son JI, Choe ES, Shim YB. Electrochemical Detection of Peroxynitrite Using a Biosensor Based on a Conducting Polymer−Manganese Ion Complex. Anal Chem 2010; 82:10075-82. [DOI: 10.1021/ac102041u] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Wei Choon Alvin Koh
- Department of Chemistry, Institute of BioPhysio Sensor Technology and Department of Biological Sciences, Pusan National University, Busan 609-735, Korea
| | - Jung Ik Son
- Department of Chemistry, Institute of BioPhysio Sensor Technology and Department of Biological Sciences, Pusan National University, Busan 609-735, Korea
| | - Eun Sang Choe
- Department of Chemistry, Institute of BioPhysio Sensor Technology and Department of Biological Sciences, Pusan National University, Busan 609-735, Korea
| | - Yoon-Bo Shim
- Department of Chemistry, Institute of BioPhysio Sensor Technology and Department of Biological Sciences, Pusan National University, Busan 609-735, Korea
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23
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Electrochemical approach to detect the presence of peroxynitrite in aerobic neutral solution. Electrochem commun 2010. [DOI: 10.1016/j.elecom.2010.08.005] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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24
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Wang Y, Chen ZZ. A novel poly(cyanocobalamin) modified glassy carbon electrode as electrochemical sensor for voltammetric determination of peroxynitrite. Talanta 2010; 82:534-9. [DOI: 10.1016/j.talanta.2010.05.020] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2010] [Revised: 05/06/2010] [Accepted: 05/08/2010] [Indexed: 11/30/2022]
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25
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Song C, Ye Z, Wang G, Yuan J, Guan Y. A Lanthanide-Complex-Based Ratiometric Luminescent Probe Specific for Peroxynitrite. Chemistry 2010; 16:6464-72. [DOI: 10.1002/chem.201000528] [Citation(s) in RCA: 90] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
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Hulvey MK, Frankenfeld CN, Lunte SM. Separation and detection of peroxynitrite using microchip electrophoresis with amperometric detection. Anal Chem 2010; 82:1608-11. [PMID: 20143890 PMCID: PMC2884294 DOI: 10.1021/ac902821v] [Citation(s) in RCA: 58] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Peroxynitrite (ONOO(-)) is a highly reactive species implicated in the pathology of several cardiovascular and neurodegenerative diseases. It is generated in vivo by the diffusion-limited reaction of nitric oxide (NO(*)) and superoxide anion ((*)O(2)(-)) and is known to be produced during periods of inflammation. Detection of ONOO(-) is made difficult by its short half-life under physiological conditions (approximately 1 s). Here we report a method for the separation and detection of ONOO(-) from other electroactive species utilizing a microchip electrophoresis device incorporating an amperometric detection scheme. Microchip electrophoresis permits shorter separation times (approximately 25 s for ONOO(-)) and higher temporal resolution than conventional capillary electrophoresis (several minutes). This faster analysis allows ONOO(-) to be detected before substantial degradation occurs, and the increased temporal resolution permits more accurate tracking of dynamic changes in chemical systems.
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Affiliation(s)
- Matthew K. Hulvey
- Ralph N. Adams Institute for Bioanalytical Chemistry, University of Kansas, Lawrence, KS 66047
| | - Celeste N. Frankenfeld
- Ralph N. Adams Institute for Bioanalytical Chemistry, University of Kansas, Lawrence, KS 66047
- Department of Pharmaceutical Chemistry, University of Kansas, Lawrence, KS 66047
| | - Susan M. Lunte
- Ralph N. Adams Institute for Bioanalytical Chemistry, University of Kansas, Lawrence, KS 66047
- Department of Pharmaceutical Chemistry, University of Kansas, Lawrence, KS 66047
- Department of Chemistry University of Kansas, Lawrence, KS 66047
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Bedioui F, Quinton D, Griveau S, Nyokong T. Designing molecular materials and strategies for the electrochemical detection of nitric oxide, superoxide and peroxynitrite in biological systems. Phys Chem Chem Phys 2010; 12:9976-88. [DOI: 10.1039/c0cp00271b] [Citation(s) in RCA: 54] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
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28
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Amatore C, Arbault S, Erard M. Triangulation Mapping of Oxidative Bursts Released by Single Fibroblasts by Amperometry at Microelectrodes. Anal Chem 2008; 80:9635-41. [DOI: 10.1021/ac801269e] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Affiliation(s)
- Christian Amatore
- Laboratoire Pasteur, Ecole Normale Supérieure, CNRS, UPMC Université Paris 06, Département de Chimie, 24 Rue Lhomond, 75005, Paris, France
| | - Stéphane Arbault
- Laboratoire Pasteur, Ecole Normale Supérieure, CNRS, UPMC Université Paris 06, Département de Chimie, 24 Rue Lhomond, 75005, Paris, France
| | - Marie Erard
- Laboratoire Pasteur, Ecole Normale Supérieure, CNRS, UPMC Université Paris 06, Département de Chimie, 24 Rue Lhomond, 75005, Paris, France
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Korda M, Kubant R, Patton S, Malinski T. Leptin-induced endothelial dysfunction in obesity. Am J Physiol Heart Circ Physiol 2008; 295:H1514-21. [PMID: 18689498 DOI: 10.1152/ajpheart.00479.2008] [Citation(s) in RCA: 145] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Hyperleptinemia accompanying obesity affects endothelial nitric oxide (NO) and is a serious factor for vascular disorders. NO, superoxide (O(2)(-)), and peroxynitrite (ONOO(-)) nanosensors were placed near the surface (5+/-2 microm) of a single human umbilical vein endothelial cell (HUVEC) exposed to leptin or aortic endothelium of obese C57BL/6J mice, and concentrations of calcium ionophore (CaI)-stimulated NO, O(2)(-), ONOO(-) were recorded. Endothelial NO synthase (eNOS) expression and L-arginine concentrations in HUVEC and aortic endothelium were measured. Leptin did not directly stimulate NO, O(2)(-), or ONOO(-) release from HUVEC. However, a 12-h exposure of HUVEC to leptin increased eNOS expression and CaI-stimulated NO (625+/-30 vs. 500+/-24 nmol/l control) and dramatically increased cytotoxic O(2)(-) and ONOO(-) levels. The [NO]-to-[ONOO(-)] ratio ([NO]/[ONOO(-)]) decreased from 2.0+/-0.1 in normal to 1.30+/-0.1 in leptin-induced dysfunctional endothelium. In obese mice, a 2.5-fold increase in leptin concentration coincided with 100% increase in eNOS and about 30% decrease in intracellular L-arginine. The increased eNOS expression and a reduced l-arginine content led to eNOS uncoupling, a reduction in bioavailable NO (250+/-10 vs. 420+/-12 nmol/l control), and an elevated concentration of O(2)(-) (240%) and ONOO(-) (70%). L-Arginine and sepiapterin supplementation reversed eNOS uncoupling and partially restored [NO]/[ONOO(-)] balance in obese mice. In obesity, leptin increases eNOS expression and decreases intracellular l-arginine, resulting in eNOS an uncoupling and depletion of endothelial NO and an increase of cytotoxic ONOO(-). Hyperleptinemia triggers an endothelial NO/ONOO(-) imbalance characteristic of dysfunctional endothelium observed in other vascular disorders, i.e., atherosclerosis and diabetes.
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Affiliation(s)
- Mykhaylo Korda
- Department of Chemistry and Biochemistry, Ohio University, Athens, Ohio 45701-2979, USA
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Korda M, Kubant R, Patton S, Malinski T. Leptin-induced endothelial dysfunction in obesity. Am J Physiol Heart Circ Physiol 2008. [PMID: 18689498 DOI: 10.1152/ajpheart.00479] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Hyperleptinemia accompanying obesity affects endothelial nitric oxide (NO) and is a serious factor for vascular disorders. NO, superoxide (O(2)(-)), and peroxynitrite (ONOO(-)) nanosensors were placed near the surface (5+/-2 microm) of a single human umbilical vein endothelial cell (HUVEC) exposed to leptin or aortic endothelium of obese C57BL/6J mice, and concentrations of calcium ionophore (CaI)-stimulated NO, O(2)(-), ONOO(-) were recorded. Endothelial NO synthase (eNOS) expression and L-arginine concentrations in HUVEC and aortic endothelium were measured. Leptin did not directly stimulate NO, O(2)(-), or ONOO(-) release from HUVEC. However, a 12-h exposure of HUVEC to leptin increased eNOS expression and CaI-stimulated NO (625+/-30 vs. 500+/-24 nmol/l control) and dramatically increased cytotoxic O(2)(-) and ONOO(-) levels. The [NO]-to-[ONOO(-)] ratio ([NO]/[ONOO(-)]) decreased from 2.0+/-0.1 in normal to 1.30+/-0.1 in leptin-induced dysfunctional endothelium. In obese mice, a 2.5-fold increase in leptin concentration coincided with 100% increase in eNOS and about 30% decrease in intracellular L-arginine. The increased eNOS expression and a reduced l-arginine content led to eNOS uncoupling, a reduction in bioavailable NO (250+/-10 vs. 420+/-12 nmol/l control), and an elevated concentration of O(2)(-) (240%) and ONOO(-) (70%). L-Arginine and sepiapterin supplementation reversed eNOS uncoupling and partially restored [NO]/[ONOO(-)] balance in obese mice. In obesity, leptin increases eNOS expression and decreases intracellular l-arginine, resulting in eNOS an uncoupling and depletion of endothelial NO and an increase of cytotoxic ONOO(-). Hyperleptinemia triggers an endothelial NO/ONOO(-) imbalance characteristic of dysfunctional endothelium observed in other vascular disorders, i.e., atherosclerosis and diabetes.
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Affiliation(s)
- Mykhaylo Korda
- Department of Chemistry and Biochemistry, Ohio University, Athens, Ohio 45701-2979, USA
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31
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Amatore C, Arbault S, Guille M, Lemaître F. Electrochemical Monitoring of Single Cell Secretion: Vesicular Exocytosis and Oxidative Stress. Chem Rev 2008; 108:2585-621. [DOI: 10.1021/cr068062g] [Citation(s) in RCA: 316] [Impact Index Per Article: 19.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Mason RP, Kubant R, Heeba G, Jacob RF, Day CA, Medlin YS, Funovics P, Malinski T. Synergistic effect of amlodipine and atorvastatin in reversing LDL-induced endothelial dysfunction. Pharm Res 2007; 25:1798-806. [PMID: 18087679 DOI: 10.1007/s11095-007-9491-1] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2007] [Accepted: 10/25/2007] [Indexed: 10/22/2022]
Abstract
PURPOSE Statins and certain calcium channel blockers may improve nitric oxide (NO) release and endothelial function through various mechanisms, but their combined effects are not well understood. METHODS The separate versus combined effects of amlodipine (AML) and atorvastatin (AT) on NO and peroxynitrite (ONOO-) were measured in human umbilical vein endothelial cells (HUVEC) in the presence and absence of low-density lipoprotein (LDL) using electrochemical nanosensors. RESULTS The combination of AML (5 micromol/l) and AT (3-6 micromol/l) directly stimulated NO release that was about twofold greater than the sum of their separate effects (p < 0.05). This synergistic activity is attributed to enhanced endothelial NO synthase (eNOS) function and decreased cytotoxic ONOO-. LDL (100 mg/dl) caused a dysfunction of HUVEC manifested by a 60% reduction in NO and an almost twofold increase in ONOO-. Treatment with AML/AT partially reversed the effects of LDL on endothelial function, including a 90% increase in NO and 50% reduction in ONOO-. Small-angle X-ray diffraction analysis indicates that AML and AT are lipophilic and share an overlapping molecular location in the cell membrane that could facilitate electron transfer for antioxidant mechanisms. CONCLUSION These findings indicate a synergistic effect of AML and AT on an increase in NO concentration, reduction of nitroxidative stress. Also, AML/AT partially restored the NO level of LDL-induced dysfunctional endothelium. Their combined effects may be enhanced by antioxidant properties related to their intermolecular actions in the cell membrane and an increase in the expression and coupling of endothelial nitric oxide synthase.
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Affiliation(s)
- R Preston Mason
- Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, USA
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Salom MG, Cerón SN, Rodriguez F, Lopez B, Hernández I, Martínez JG, Losa AM, Fenoy FJ. Heme oxygenase-1 induction improves ischemic renal failure: role of nitric oxide and peroxynitrite. Am J Physiol Heart Circ Physiol 2007; 293:H3542-9. [PMID: 17890422 DOI: 10.1152/ajpheart.00977.2007] [Citation(s) in RCA: 45] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
The present study evaluated the effects of heme oxygenase-1 (HO-1) induction on the changes in renal outer medullary nitric oxide (NO) and peroxynitrite levels during 45-min renal ischemia and 30-min reperfusion in anesthetized rats. Glomerular filtration rate (GFR), outer medullary blood flow (OMBF), HO and nitric oxide synthase (NOS) isoform expression, and renal low-molecular-weight thiols (-SH) were also determined. During ischemia significant increases in NO levels and peroxynitrite signal were observed (from 832.1 +/- 129.3 to 2,928.6 +/- 502.0 nM and from 3.8 +/- 0.7 to 9.0 +/- 1.6 nA before and during ischemia, respectively) that dropped to preischemic levels during reperfusion. OMBF and -SH significantly decreased after 30 min of reperfusion. Twenty-four hours later, an acute renal failure was observed (GFR 923.0 +/- 66.0 and 253.6 +/- 55.3 microl.min(-1).g kidney wt(-1) in sham-operated and ischemic kidneys, respectively; P < 0.05). The induction of HO-1 (CoCl(2) 60 mg/kg sc, 24 h before ischemia) decreased basal NO concentration (99.7 +/- 41.0 nM), although endothelial and neuronal NOS expression were slightly increased. CoCl(2) administration also blunted the ischemic increase in NO and peroxynitrite (maximum values of 1,315.6 +/- 445.6 nM and 6.3 +/- 0.5 nA, respectively; P < 0.05), preserving postischemic OMBF and GFR (686.4 +/- 45.2 microl.min(-1).g kidney wt(-1)). These beneficial effects of CoCl(2) on ischemic acute renal failure seem to be due to HO-1 induction, because they were abolished by stannous mesoporphyrin, a HO inhibitor. In conclusion, HO-1 induction has a protective effect on ischemic renal failure that seems to be partially mediated by decreasing the excessive production of NO with the subsequent reduction in peroxynitrite formation observed during ischemia.
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Affiliation(s)
- Miguel G Salom
- Departamento de Fisiología, Facultad de Medicina, Universidad de Murcia, 30100 Murcia, Spain.
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Li W, Xue J, Niu C, Fu H, Lam CSC, Luo J, Chan HHN, Xue H, Kan KKW, Lee NTK, Li C, Pang Y, Li M, Tsim KWK, Jiang H, Chen K, Li X, Han Y. Synergistic neuroprotection by bis(7)-tacrine via concurrent blockade of N-methyl-D-aspartate receptors and neuronal nitric-oxide synthase. Mol Pharmacol 2007; 71:1258-67. [PMID: 17299028 DOI: 10.1124/mol.106.029108] [Citation(s) in RCA: 42] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023] Open
Abstract
The excessive activation of the N-methyl-D-aspartate receptor (NMDAR)/nitric oxide (NO) pathway has been proposed to be involved in the neuropathology of various neurodegenerative disorders. In this study, NO was found to mediate glutamate-induced excitotoxicity in primary cultured neurons. Compared with the NO synthase (NOS) inhibitor, N(G)-monomethyl-L-arginine (L-NMMA), and the NMDAR antagonist memantine, bis(7)-tacrine was found to be more potent in reducing NO-mediated excitotoxicity and the release of NO caused by glutamate. Moreover, like L-NMMA but not like 5H-dibenzo[a,d]cyclohepten-5,10-imine (MK-801) and memantine, bis(7)-tacrine showed greater neuroprotection and inhibition on NO release when neurons were pretreated for a prolonged time between 0 and 24 h and remained quite potent even when neurons were post-treated 1 h after the glutamate challenge. Bis(7)-tacrine was additionally found to be as moderately potent as memantine in competing with [(3)H]MK-801, inhibiting NMDA-evoked currents and reducing glutamate-triggered calcium influx, which eventually reduced neuronal NOS activity. More importantly, at neuroprotective concentrations, bis(7)-tacrine substantially reversed the overactivation of neuronal NOS caused by glutamate without interfering with the basal activity of NOS. Furthermore, in vitro pattern analysis demonstrated that bis(7)-tacrine competitively inhibited both purified neuronal and inducible NOS with IC(50) values at 2.9 and 9.3 microM but not endothelial NOS. This result was further supported by molecular docking simulations that showed hydrophobic interactions between bis(7)-tacrine and three NOS isozymes. Taken together, these results strongly suggest that the substantial neuroprotection against glutamate by bis(7)-tacrine might be mediated synergistically through the moderate blockade of NMDAR and selective inhibition of neuronal NOS.
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Affiliation(s)
- Wenming Li
- Department of Biochemistry, Hong Kong University of Science and Technology, Hong Kong, China
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Amatore C, Arbault S, Chen Y, Crozatier C, Tapsoba I. Electrochemical detection in a microfluidic device of oxidative stress generated by macrophage cells. LAB ON A CHIP 2007; 7:233-8. [PMID: 17268626 DOI: 10.1039/b611569a] [Citation(s) in RCA: 53] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/13/2023]
Abstract
The release of reactive oxygen species (ROS) or reactive nitrogen species (RNS), i.e., the initial phase of oxidative stress, by macrophage cells has been studied by electrochemistry within a microfluidic device. Macrophages were first cultured into a detection chamber containing the three electrodes system and were subsequently stimulated by the microinjection of a calcium ionophore (A23187). Their production of ROS and RNS was then measured by amperometry at the surface of a platinized microelectrode. The fabricated microfluidic device provides an accurate measurement of oxidative release kinetics with an excellent reproducibility. We believe that such a method is simple and versatile for a number of advanced applications based on the detection of biological processes of secretion by a few or even a single living cell.
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Affiliation(s)
- Christian Amatore
- Ecole Normale Supérieure, Département de Chimie, UMR CNRS-ENS-UPMC 8640 "PASTEUR", 24 rue Lhomond, Paris Cedex 05, 75231, France
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Zakharova EA, Yurmazova TA, Nazarov BF, Wildgoose GG, Compton RG. The voltammetric determination of peroxynitrite at a mercury film electrode. NEW J CHEM 2007. [DOI: 10.1039/b615188d] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Cortés J, Granados S, Ordaz A, Jiménez J, Griveau S, Bedioui F. Electropolymerized Manganese Tetraaminophthalocyanine Thin Films onto Platinum Ultramicroelectrode for the Electrochemical Detection of Peroxynitrite in Solution. ELECTROANAL 2007. [DOI: 10.1002/elan.200603703] [Citation(s) in RCA: 31] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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Amatore C, Arbault S, Bouton C, Coffi K, Drapier JC, Ghandour H, Tong Y. Monitoring in real time with a microelectrode the release of reactive oxygen and nitrogen species by a single macrophage stimulated by its membrane mechanical depolarization. Chembiochem 2006; 7:653-61. [PMID: 16502474 DOI: 10.1002/cbic.200500359] [Citation(s) in RCA: 126] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Macrophages are key cells of the immune system. During phagocytosis, the macrophage engulfs a foreign bacterium, virus, or particle into a vacuole, the phagosome, wherein oxidants are produced to neutralize and decompose the threatening element. These oxidants derive from in situ production of superoxide and nitric oxide by specific enzymes. However, the chemical nature and sequence of release of these compounds is far from being completely determined. The aim of the present work was to study the fundamental mechanism of oxidant release by macrophages at the level of a single cell, in real time and quantitatively. The tip of a microelectrode was positioned at a micrometric distance from a macrophage in a culture to measure oxidative-burst release by the cell when it was submitted to physical stimulation. The ensuing release of electroactive reactive oxygen and nitrogen species was detected by amperometry and the exact nature of the compounds was characterized through comparison with in vitro electrochemical oxidation of H2O2, ONOO-, NO*, and NO2(-) solutions. These results enabled the calculation of time variations of emission flux for each species and the reconstruction of the original flux of production of primary species, O2*- and NO*, by the macrophage.
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Affiliation(s)
- Christian Amatore
- ENS, Département de Chimie, UMR CNRS-ENS-UPMC 8640 Pasteur, 24 rue Lhomond, 75231 Paris cedex 05, France.
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Frankenfeld CN, Rosenbaugh MR, Fogarty BA, Lunte SM. Separation and detection of peroxynitrite and its metabolites by capillary electrophoresis with UV detection. J Chromatogr A 2005; 1111:147-52. [PMID: 16569573 DOI: 10.1016/j.chroma.2005.05.027] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2005] [Revised: 04/24/2005] [Accepted: 05/03/2005] [Indexed: 10/25/2022]
Abstract
A method for the separation and direct detection of peroxynitrite (ONOO(-)) and two of its degradation products, nitrite (NO(2)(-)) and nitrate (NO(3)(-)), using capillary electrophoresis with ultraviolet detection is described. The separation parameters were optimized and included electrokinetic injection, a run buffer consisting of 25 mM K(2)HPO(4) 7.5 mM DTAB, pH 12, and a field strength of -323 V/cm. A diode array UV detector was employed in these studies as it allowed the determination of all three species simultaneously. Nitrate and nitrite provided the maximum response at 214 nm while peroxynitrite generated the best response at 302 nm. All three species could be detected at 214 nm, while simultaneous detection at 214 and 302 nm positively identified each peak.
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Li D, Wang L, Zeng X, Zou G. Spectrophotometric Determination of Peroxynitrite Usingo‐Phenylenediamine as a Probe. ANAL LETT 2004. [DOI: 10.1081/al-200035847] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Madajka M, Korda M, White J, Malinski T. Effect of aspirin on constitutive nitric oxide synthase and the biovailability of NO. Thromb Res 2004; 110:317-21. [PMID: 14592555 DOI: 10.1016/s0049-3848(03)00419-5] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
INTRODUCTION Aspirin decreases the activity of iNOS and the formation of prostanoids. Constitutive nitric oxide synthase (cNOS) is present in endothelial cells, platelets, leukocytes and neurons, yet no data are available on the effect of aspirin on cNOS and the bioavailability of NO produced by this enzyme. MATERIALS AND METHODS Human umbilical vein endothelial cells (HUVECs), rat adrenal gland pheochromocytoma cells (PC-12) and human platelets were incubated with different aspirin concentrations. The kinetics of NO, O2- and ONOO- release were measured simultaneously in single cells or platelet suspensions using tandem electrochemical nanosensors. The NO, O2- and ONOO- release from cells and platelets was stimulated with calcium ionophore and collagen, respectively. cNOS expression was estimated by Western blot analysis. RESULTS Incubation of HUVECs and PC-12 with 10(-5) mol/l of aspirin increased cNOS expression by 70 +/- 7% and 50 +/- 5, respectively. However, the NO concentration increased only by 33% in HUVECs incubated with the same aspirin concentration. Incubation of HUVECs with aspirin also increased the O2- and ONOO- production. Therefore the bioavailability of NO increased only slightly in endothelium and did not reflect the increase in eNOS. This was in contrast to platelets, where maximal NO bioavailability almost doubled after incubation with aspirin. CONCLUSIONS Aspirin did not have a significant effect on the NO bioavailability in endothelial cells. However, aspirin highly improved the NO production in platelets. The high NO production in platelets may counteract the effect of thromboxane, inhibit platelet aggregation, and compensate for the reduction of prostacycline concentration by aspirin.
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Affiliation(s)
- Maria Madajka
- Department of Chemistry and Biochemistry, Ohio University, Athens, OH 45701, USA
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Kalinowski L, Dobrucki IT, Malinski T. Race-specific differences in endothelial function: predisposition of African Americans to vascular diseases. Circulation 2004; 109:2511-7. [PMID: 15159296 DOI: 10.1161/01.cir.0000129087.81352.7a] [Citation(s) in RCA: 243] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
BACKGROUND The prevalence of the endothelium-impaired function disorders, such as hypertension and diabetes mellitus, and the severity of their complications are considerably greater in blacks than whites. Evidence has accumulated that superoxide (O2-) production and its interaction with nitric oxide (NO), yielding the strong oxidant peroxynitrite (ONOO-), play central roles in vascular pathophysiology. We hypothesized that the differences in endothelial NO/O2-/ONOO- metabolism may highlight the potential predisposition to endothelial dysfunction and cardiovascular complications prevalent in blacks. METHODS AND RESULTS Highly sensitive tandem electrochemical NO/O2-/ONOO- nanosensors were positioned in single human umbilical vein endothelial cells (HUVECs) isolated from blacks and whites, and the kinetics of NO/O2-/ONOO- release were recorded in vitro. HUVECs were also analyzed by Western immunoblotting and enzyme activity assays for NAD(P)H-oxidase and endothelial NO synthase (eNOS). Compared with whites, HUVECs from blacks elicited reduced release of bioactive NO with an accompanying increase in the release of both O2- and ONOO-. The greater potency of NO production because of eNOS upregulation in HUVECs from blacks is associated with a decrease in the NO bioavailability. This is due to increased NO degradation by excess O2- produced primarily by 2 enzymatic sources: NAD(P)H-oxidase and uncoupled eNOS. CONCLUSIONS Compared with whites, the steady-state NO/O2-/ONOO- balance in endothelial cells from blacks is kept closer to the redox states characteristic for the endothelium-impaired function disorders. This may explain the differences in racial predisposition to the endothelium dysfunction during ongoing vascular disturbances with the hallmark of enhanced NO inactivation within the endothelium by oxidative stress.
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Yang XF, Guo XQ, Zhao YB. Development of a novel rhodamine-type fluorescent probe to determine peroxynitrite. Talanta 2002. [DOI: 10.1016/s0039-9140(02)00120-0] [Citation(s) in RCA: 188] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Roychowdhury S, Luthe A, Keilhoff G, Wolf G, Horn TFW. Oxidative stress in glial cultures: detection by DAF-2 fluorescence used as a tool to measure peroxynitrite rather than nitric oxide. Glia 2002; 38:103-14. [PMID: 11948804 DOI: 10.1002/glia.10024] [Citation(s) in RCA: 66] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
4,5-diaminofluorescein diacetate (DAF-2DA) is widely used as a fluorescent probe to detect endogenously produced nitric oxide (NO). Recent reports that refer to the high sensitivity of DAF-2 toward NO prompted us to test its efficiency and specificity in a mixed murine primary glial culture model, in which the NO-synthesizing enzyme inducible nitric oxide synthase (iNOS) is expressed by stimulation with lipopolysaccharide (LPS) and interferon-gamma (IFN-gamma). Cultures were loaded with DAF-2DA and the fluorescence was measured using confocal microscopy. NO production in the cultures was determined using the ozone/chemiluminescence technique. Due to the extremely high photosensitivity of DAF-2, low laser intensities were used to avoid artifacts. No difference in DAF-2 fluorescence was observed in NO-producing cultures compared to control cultures, whereas the NO/peroxynitrite-sensitive dye 2,7-dihydrodichlorofluorescein (DCF) showed a significant fluorescence increase specifically in microglia cells. A detectable gain in fluorescence was seen when NO-containing buffer was added to the DAF-2DA-loaded cells with a minimum NO concentration at 7.7 microM. An additional gain of DAF-2 fluorescence was obtained when the cells were depleted of glutathione (GSH) with L-buthionine S,R-sulfoximine (BSO). Hence, we monitored the change in DAF-2 fluorescence intensity in the presence of NO and O(-*)(2) in a cell-free solution. The fluorescence due to NO was indeed larger when O(-*)(2) was added, implying a higher sensitivity of DAF-2 for peroxynitrite. Nevertheless, our results also indicate that measurement of DCF fluorescence is a better tool for monitoring intracellular changes in the levels of NO and/or peroxynitrite than DAF-2.
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Affiliation(s)
- Sanjoy Roychowdhury
- Otto-von-Guericke University, Institute for Medical Neurobiology, Magdeburg, Germany
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Lawrence NS, Beckett EL, Davis J, Compton RG. Advances in the voltammetric analysis of small biologically relevant compounds. Anal Biochem 2002; 303:1-16. [PMID: 11906145 DOI: 10.1006/abio.2002.5584] [Citation(s) in RCA: 80] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
The problems associated with attempting to apply voltammetric techniques to the analysis of biologically relevant organics within complex media are identified and, through reviewing the very recent literature (1999-mid-2001), possible solutions are described. The boundaries of the search were limited to research targeted at the resolution of specific problems, associated with quantitative determinations. Various strategies have emerged to counter problems of poor sensitivity and selectivity and these have been summarized and critically appraised. Where possible, the characteristics of each approach have been distilled into a table format to ease comparison. Emphasis has been placed on the collation of information that will improve the intrinsic electrode response and as such should be of value to those interested in pursuing electroanalytical methodologies regardless of context.
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Affiliation(s)
- Nathan S Lawrence
- Physical and Theoretical Chemistry Laboratory, University of Oxford, South Parks Road, Oxford, OX1 3QZ, UK
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Savvides SN, Scheiwein M, Bohme CC, Arteel GE, Karplus PA, Becker K, Schirmer RH. Crystal structure of the antioxidant enzyme glutathione reductase inactivated by peroxynitrite. J Biol Chem 2002; 277:2779-84. [PMID: 11705998 DOI: 10.1074/jbc.m108190200] [Citation(s) in RCA: 104] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
As part of our studies on the nitric oxide-related pathology of cerebral malaria, we show that the antioxidative enzyme glutathione reductase (GR) is inactivated by peroxynitrite, with GR from the malarial parasite Plasmodium falciparum being more sensitive than human GR. The crystal structure of modified human GR at 1.9-A resolution provides the first picture of protein inactivation by peroxynitrite and reveals that this is due to the exclusive nitration of 2 Tyr residues (residues 106 and 114) at the glutathione disulfide-binding site. The selective nitration explains the impairment of binding the peptide substrate and thus the nearly 1000-fold decrease in catalytic efficiency (k(cat)/K(m)) of glutathione reductase observed at physiologic pH. By oxidizing the catalytic dithiol to a disulfide, peroxynitrite itself can act as a substrate of unmodified and bisnitrated P. falciparum glutathione reductase.
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Affiliation(s)
- Savvas N Savvides
- Department of Biochemistry and Biophysics, Oregon State University, Corvallis, Oregon 97331-7305, USA
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Amatore C, Arbault S, Bruce D, de Oliveira P, Erard LM, Vuillaume M. Characterization of the electrochemical oxidation of peroxynitrite: relevance to oxidative stress bursts measured at the single cell level. Chemistry 2001; 7:4171-9. [PMID: 11686596 DOI: 10.1002/1521-3765(20011001)7:19<4171::aid-chem4171>3.0.co;2-5] [Citation(s) in RCA: 96] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
The electrochemical signature of peroxynitrite oxidation is reported for the first time, and its mechanism discussed in the light of data obtained by steady-state and transient voltammetry at microelectrodes. Peroxynitrite is an important biological species generated by aerobic cells presumably via the near diffusion-limited coupling of nitric oxide and superoxide ion. Its production by living cells has been previously suspected during cellular oxidative bursts as well as in several human pathologies (arthritis, inflammation, apoptosis, ageing, carcinogenesis, Alzheimer disease, AIDS, etc.). However, this could only be inferred on the basis of characteristic patient metabolites or through indirect detection, or by observation of follow-up species resulting supposedly from its chemical reactions in vivo. In this work, thanks to the independent knowledge of the electrochemical characteristics of ONO2- oxidation, the kinetics and intensity of this species released by single human fibroblasts could be established directly and quantitatively based on the application of the artificial synapse method. It was then observed and established that fibroblasts submitted to mechanical stresses produce oxidative bursts, which involve the release within less than a tenth of a second of a complex cocktail composed of several femtomoles of peroxynitrite, hydrogen peroxide, nitric oxide, and nitrite ions.
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Affiliation(s)
- C Amatore
- Ecole Normale Supérieure, Département de Chimie, UMR CNRS 8640 PASTEUR, Paris, France.
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Amatore C, Arbault S, Bruce D, de Oliveira P, Erard M, Vuillaume M. Characterization of the Electrochemical Oxidation of Peroxynitrite: Relevance to Oxidative Stress Bursts Measured at the Single Cell Level. Chemistry 2001. [DOI: 10.1002/1521-3765(20011001)7:19%3c4171::aid-chem4171%3e3.0.co;2-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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Mao L, Xu F, Xu Q, Jin L. Miniaturized amperometric biosensor based on xanthine oxidase for monitoring hypoxanthine in cell culture media. Anal Biochem 2001; 292:94-101. [PMID: 11319822 DOI: 10.1006/abio.2001.5067] [Citation(s) in RCA: 45] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Fabrication and characterization of miniaturized amperometric hypoxanthine biosensors are described and demonstrated for monitoring hypoxanthine in myocardial cell culture media. The sensors are based on xanthine oxidase (XO) immobilized on carbon fiber microelectrodes (CFMEs) using a composite film of Nafion and electropolymerized phenol (PPh). Nafion was used for XO immobilization because of its film hydrophobicity, enzyme-favored environment, and electrostatic interaction with XO, which was dispersed in Nafion film by immersing the Nafion-coated CFMEs in XO solution for 5 h. PPh film was formed as an overlay on Nafion and XO-modified CFMEs via electropolymerization. Hypoxanthine was measured with the sensor by the oxidation of enzymatic reaction products, hydrogen peroxide (H(2)O(2)), and uric acid (UA) at +0.60 V (vs Ag/AgCl). The use of Nafion and PPh as a matrix for XO immobilization yields enhanced specificity, sensitivity, and linearity toward hypoxanthine. A dynamic linear range of 5.0 microM to 1.8 mM was achieved with a calculated detection limit of 1.5 microM (S/N = 3) and a sensitivity of 3.144 nA/mM. In addition, the measurement was virtually interference-free from easily oxidizable species such as UA, ascorbic acid, physiological levels of neurotransmitters, and their principal metabolites. The biosensor was used to monitor hypoxanthine accumulation in myocardial cell culture media, in which the level of extracellular hypoxanthine was found to increase with ischemic tolerance.
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Affiliation(s)
- L Mao
- Department of Electronic Chemistry, Interdisciplinary Graduate School of Science and Engineering, Tokyo Institute of Technology, 4259 Nagatsuta, Midori-ku, Yokohama, 226-8502, Japan.
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