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Modrzejewska J, Grzelakowska A, Szala M, Michalski R, Zakłos-Szyda M, Podsiadły R. Pro-fluorescent probe with morpholine moiety and its reactivity towards selected biological oxidants. LUMINESCENCE 2024; 39:e4685. [PMID: 38332465 DOI: 10.1002/bio.4685] [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: 10/02/2023] [Revised: 01/04/2024] [Accepted: 01/13/2024] [Indexed: 02/10/2024]
Abstract
Biological oxidants participate in many processes in the human body. Their excessive production causes organelle damage, which may result in the accumulation of cytotoxic mediators and cell degradation and may manifest itself in various diseases. Peroxynitrite (ONOO- ), hypochlorous acid (HOCl), hydrogen peroxide (H2 O2 ), and peroxymonocarbonate (HOOCO2 - ) are important oxidants in biology, toxicology, and various pathologies. Derivatives of coumarin, containing an oxidant-sensitive boronate group, have been recently developed for the fluorescent detection of inflammatory oxidants. Here, we report the synthesis and characterization of 4-[2-(morpholin-4-yl)-2-oxoethyl]-2-oxo-2H-chromen-7-yl boronic acid (MpC-BA) as a fluorescent probe for the detection of oxidants, with better solubility in water, high stability and fast response time toward peroxynitrite and hypochlorous acid. The effectiveness of the MpC-BA probe for the detection of peroxynitrite was measured by adding bolus ONOO- or using the co-generating superoxide and nitrogen oxide system. MpC-BA is oxidized by ONOO- to 7-hydroxy-4-[2-(morpholin-4-yl)-2-oxoethyl]-2H-chromen-2-one (MpC-OH). However, peroxynitrite-specific product (MpC-H) is formed in the minor reaction pathway. MpC-OH is also yielded in the reaction of MpC-BA with HOCl, and the subsequent formation of a chlorinated MpC-OH gives a specific product for HOCl (MpC-OHCl). H2 O2 slowly oxidizes MpC-BA. However, the addition of NaHCO3 increased the MpC-OH formation rate. We conclude that MpC-BA is potentially an improved fluorescent probe detecting peroxynitrite and hypochlorite in biological settings. Complementation of the fluorescence measurements by HPLC-based identification of chlorinated and reduced coumarin(s) will help identify the oxidants detected.
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Affiliation(s)
- Julia Modrzejewska
- Institute of Polymer and Dye Technology, Faculty of Chemistry, Lodz University of Technology, Stefanowskiego 16, Lodz, Poland
| | - Aleksandra Grzelakowska
- Institute of Polymer and Dye Technology, Faculty of Chemistry, Lodz University of Technology, Stefanowskiego 16, Lodz, Poland
| | - Marcin Szala
- Institute of Polymer and Dye Technology, Faculty of Chemistry, Lodz University of Technology, Stefanowskiego 16, Lodz, Poland
| | - Radosław Michalski
- Institute of Applied Radiation Chemistry, Faculty of Chemistry, Lodz University of Technology, Żeromskiego 116, Lodz, Poland
| | - Małgorzata Zakłos-Szyda
- Institute of Molecular and Industrial Biotechnology, Faculty of Biotechnology and Food Sciences, Lodz University of Technology, Stefanowskiego 2/22, Lodz, Poland
| | - Radosław Podsiadły
- Institute of Polymer and Dye Technology, Faculty of Chemistry, Lodz University of Technology, Stefanowskiego 16, Lodz, Poland
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2
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Sørensen M, Pershagen G, Thacher JD, Lanki T, Wicki B, Röösli M, Vienneau D, Cantuaria ML, Schmidt JH, Aasvang GM, Al-Kindi S, Osborne MT, Wenzel P, Sastre J, Fleming I, Schulz R, Hahad O, Kuntic M, Zielonka J, Sies H, Grune T, Frenis K, Münzel T, Daiber A. Health position paper and redox perspectives - Disease burden by transportation noise. Redox Biol 2024; 69:102995. [PMID: 38142584 PMCID: PMC10788624 DOI: 10.1016/j.redox.2023.102995] [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: 11/09/2023] [Revised: 12/07/2023] [Accepted: 12/10/2023] [Indexed: 12/26/2023] Open
Abstract
Transportation noise is a ubiquitous urban exposure. In 2018, the World Health Organization concluded that chronic exposure to road traffic noise is a risk factor for ischemic heart disease. In contrast, they concluded that the quality of evidence for a link to other diseases was very low to moderate. Since then, several studies on the impact of noise on various diseases have been published. Also, studies investigating the mechanistic pathways underlying noise-induced health effects are emerging. We review the current evidence regarding effects of noise on health and the related disease-mechanisms. Several high-quality cohort studies consistently found road traffic noise to be associated with a higher risk of ischemic heart disease, heart failure, diabetes, and all-cause mortality. Furthermore, recent studies have indicated that road traffic and railway noise may increase the risk of diseases not commonly investigated in an environmental noise context, including breast cancer, dementia, and tinnitus. The harmful effects of noise are related to activation of a physiological stress response and nighttime sleep disturbance. Oxidative stress and inflammation downstream of stress hormone signaling and dysregulated circadian rhythms are identified as major disease-relevant pathomechanistic drivers. We discuss the role of reactive oxygen species and present results from antioxidant interventions. Lastly, we provide an overview of oxidative stress markers and adverse redox processes reported for noise-exposed animals and humans. This position paper summarizes all available epidemiological, clinical, and preclinical evidence of transportation noise as an important environmental risk factor for public health and discusses its implications on the population level.
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Affiliation(s)
- Mette Sørensen
- Work, Environment and Cancer, Danish Cancer Institute, Copenhagen, Denmark; Department of Natural Science and Environment, Roskilde University, Denmark.
| | - Göran Pershagen
- Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Jesse Daniel Thacher
- Division of Occupational and Environmental Medicine, Department of Laboratory Medicine, Lund University, Lund, Sweden
| | - Timo Lanki
- Department of Health Security, Finnish Institute for Health and Welfare, Kuopio, Finland; School of Medicine, University of Eastern Finland, Kuopio, Finland; Department of Environmental and Biological Sciences, University of Eastern Finland, Kuopio, Finland
| | - Benedikt Wicki
- Department of Epidemiology and Public Health, Swiss Tropical and Public Health Institute, Allschwil, Switzerland; University of Basel, Basel, Switzerland
| | - Martin Röösli
- Department of Epidemiology and Public Health, Swiss Tropical and Public Health Institute, Allschwil, Switzerland; University of Basel, Basel, Switzerland
| | - Danielle Vienneau
- Department of Epidemiology and Public Health, Swiss Tropical and Public Health Institute, Allschwil, Switzerland; University of Basel, Basel, Switzerland
| | - Manuella Lech Cantuaria
- Work, Environment and Cancer, Danish Cancer Institute, Copenhagen, Denmark; Research Unit for ORL - Head & Neck Surgery and Audiology, Odense University Hospital & University of Southern Denmark, Odense, Denmark
| | - Jesper Hvass Schmidt
- Research Unit for ORL - Head & Neck Surgery and Audiology, Odense University Hospital & University of Southern Denmark, Odense, Denmark
| | - Gunn Marit Aasvang
- Department of Air Quality and Noise, Norwegian Institute of Public Health, Oslo, Norway
| | - Sadeer Al-Kindi
- Department of Medicine, University Hospitals, Harrington Heart & Vascular Institute, Case Western Reserve University, 11100 Euclid Ave, Cleveland, OH, 44106, USA
| | - Michael T Osborne
- Cardiovascular Imaging Research Center, Massachusetts General Hospital, Boston, MA, USA; Division of Cardiology, Department of Medicine, Massachusetts General Hospital, Boston, MA, USA
| | - Philip Wenzel
- Department of Cardiology, Cardiology I, University Medical Center Mainz, Mainz, Germany; German Center for Cardiovascular Research (DZHK), Partner Site Rhine-Main, Mainz, Germany; Center for Thrombosis and Hemostasis, University Medical Center Mainz, Mainz, Germany
| | - Juan Sastre
- Department of Physiology, Faculty of Pharmacy, University of Valencia, Spain
| | - Ingrid Fleming
- Institute for Vascular Signalling, Centre for Molecular Medicine, Goethe University, Frankfurt Am Main, Germany; German Center of Cardiovascular Research (DZHK), Partner Site RheinMain, Frankfurt, Germany
| | - Rainer Schulz
- Institute of Physiology, Faculty of Medicine, Justus-Liebig University, Gießen, 35392, Gießen, Germany
| | - Omar Hahad
- Department of Cardiology, Cardiology I, University Medical Center Mainz, Mainz, Germany; German Center for Cardiovascular Research (DZHK), Partner Site Rhine-Main, Mainz, Germany
| | - Marin Kuntic
- Department of Cardiology, Cardiology I, University Medical Center Mainz, Mainz, Germany; German Center for Cardiovascular Research (DZHK), Partner Site Rhine-Main, Mainz, Germany
| | - Jacek Zielonka
- Department of Biophysics, Medical College of Wisconsin, Milwaukee, WI, USA
| | - Helmut Sies
- Institute for Biochemistry and Molecular Biology I, Faculty of Medicine, Heinrich Heine University Düsseldorf, Düsseldorf, Germany; Leibniz Research Institute for Environmental Medicine, Düsseldorf, Germany
| | - Tilman Grune
- Department of Molecular Toxicology, German Institute of Human Nutrition Potsdam-Rehbruecke, Nuthetal, Germany; DZHK (German Center for Cardiovascular Research), Partner Site Berlin, Berlin, Germany; German Center for Diabetes Research (DZD), München-Neuherberg, Germany
| | - Katie Frenis
- Hematology/Oncology, Boston Children's Hospital and Harvard Medical School, Boston, MA, USA; Stem Cell Program, Boston Children's Hospital, Boston, MA, USA
| | - Thomas Münzel
- Department of Cardiology, Cardiology I, University Medical Center Mainz, Mainz, Germany; German Center for Cardiovascular Research (DZHK), Partner Site Rhine-Main, Mainz, Germany; Center for Thrombosis and Hemostasis, University Medical Center Mainz, Mainz, Germany
| | - Andreas Daiber
- Department of Cardiology, Cardiology I, University Medical Center Mainz, Mainz, Germany; German Center for Cardiovascular Research (DZHK), Partner Site Rhine-Main, Mainz, Germany; Center for Thrombosis and Hemostasis, University Medical Center Mainz, Mainz, Germany.
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3
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Juric M, Rawat V, Amaradhi R, Zielonka J, Ganesh T. Novel NADPH Oxidase-2 Inhibitors as Potential Anti-Inflammatory and Neuroprotective Agents. Antioxidants (Basel) 2023; 12:1660. [PMID: 37759963 PMCID: PMC10525516 DOI: 10.3390/antiox12091660] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2023] [Revised: 08/12/2023] [Accepted: 08/18/2023] [Indexed: 09/29/2023] Open
Abstract
A family of seven NADPH oxidase enzymes (Nox1-5, Duox1-2) has been implicated in a variety of diseases, including inflammatory lung diseases, neurodegenerative diseases, cardiovascular diseases, and cancer. Here, we report the results of our studies aimed at developing novel brain-permeable Nox2 inhibitors with potential application as neuroprotective agents. Using cell-based assays, we identified a novel Nox2 inhibitor, TG15-132, that prevents PMA-stimulated oxygen consumption and reactive oxygen species (superoxide radical anion and hydrogen peroxide) formation upon acute treatment in differentiated HL60 cells. Long-term treatment with TG15-132 attenuates the induction of genes encoding Nox2 subunits, several inflammatory cytokines, and iNOS in differentiated THP-1 cells. Moreover, TG15-132 shows a relatively long plasma half-life (5.6 h) and excellent brain permeability, with a brain-to-plasma ratio (>5-fold) in rodent models. Additionally, TG15-132 does not cause any toxic effects on vital organs or blood biomarkers of toxicity in mice upon chronic dosing for seven days. We propose that TG15-132 may be used as a Nox2 inhibitor and a potential neuroprotective agent, with possible further structural modifications to increase its potency.
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Affiliation(s)
- Matea Juric
- Department of Biophysics, Medical College of Wisconsin, Milwaukee, WI 53226, USA;
| | - Varun Rawat
- Department of Pharmacology and Chemical Biology, Emory University School of Medicine, Atlanta, GA 30322, USA; (V.R.); (R.A.)
| | - Radhika Amaradhi
- Department of Pharmacology and Chemical Biology, Emory University School of Medicine, Atlanta, GA 30322, USA; (V.R.); (R.A.)
| | - Jacek Zielonka
- Department of Biophysics, Medical College of Wisconsin, Milwaukee, WI 53226, USA;
| | - Thota Ganesh
- Department of Pharmacology and Chemical Biology, Emory University School of Medicine, Atlanta, GA 30322, USA; (V.R.); (R.A.)
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4
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Huang L, Cheng F, Zhang X, Zielonka J, Nystoriak MA, Xiang W, Raygor K, Wang S, Lakshmanan A, Jiang W, Yuan S, Hou KS, Zhang J, Wang X, Syed AU, Juric M, Takahashi T, Navedo MF, Wang RA. Nitric oxide synthase and reduced arterial tone contribute to arteriovenous malformation. SCIENCE ADVANCES 2023; 9:eade7280. [PMID: 37235659 PMCID: PMC10219588 DOI: 10.1126/sciadv.ade7280] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/11/2022] [Accepted: 04/20/2023] [Indexed: 05/28/2023]
Abstract
Mechanisms underlying arteriovenous malformations (AVMs) are poorly understood. Using mice with endothelial cell (EC) expression of constitutively active Notch4 (Notch4*EC), we show decreased arteriolar tone in vivo during brain AVM initiation. Reduced vascular tone is a primary effect of Notch4*EC, as isolated pial arteries from asymptomatic mice exhibited reduced pressure-induced arterial tone ex vivo. The nitric oxide (NO) synthase (NOS) inhibitor NG-nitro-l-arginine (L-NNA) corrected vascular tone defects in both assays. L-NNA treatment or endothelial NOS (eNOS) gene deletion, either globally or specifically in ECs, attenuated AVM initiation, assessed by decreased AVM diameter and delayed time to moribund. Administering nitroxide antioxidant 4-hydroxy-2,2,6,6-tetramethylpiperidine-1-oxyl also attenuated AVM initiation. Increased NOS-dependent production of hydrogen peroxide, but not NO, superoxide, or peroxynitrite was detected in isolated Notch4*EC brain vessels during AVM initiation. Our data suggest that eNOS is involved in Notch4*EC-mediated AVM formation by up-regulating hydrogen peroxide and reducing vascular tone, thereby permitting AVM initiation and progression.
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Affiliation(s)
- Lawrence Huang
- Laboratory for Accelerated Vascular Research, Department of Surgery, University of California San Francisco, San Francisco, CA 94143, USA
| | - Feng Cheng
- Laboratory for Accelerated Vascular Research, Department of Surgery, University of California San Francisco, San Francisco, CA 94143, USA
| | - Xuetao Zhang
- Laboratory for Accelerated Vascular Research, Department of Surgery, University of California San Francisco, San Francisco, CA 94143, USA
| | - Jacek Zielonka
- Free Radical Research Laboratory, Department of Biophysics, Medical College of Wisconsin, Milwaukee, WI 53226, USA
| | - Matthew A. Nystoriak
- Department of Pharmacology, University of California, Davis, Davis, CA 95616, USA
| | - Weiwei Xiang
- Laboratory for Accelerated Vascular Research, Department of Surgery, University of California San Francisco, San Francisco, CA 94143, USA
| | - Kunal Raygor
- Laboratory for Accelerated Vascular Research, Department of Surgery, University of California San Francisco, San Francisco, CA 94143, USA
| | - Shaoxun Wang
- Laboratory for Accelerated Vascular Research, Department of Surgery, University of California San Francisco, San Francisco, CA 94143, USA
| | - Aditya Lakshmanan
- Laboratory for Accelerated Vascular Research, Department of Surgery, University of California San Francisco, San Francisco, CA 94143, USA
| | - Weiya Jiang
- Laboratory for Accelerated Vascular Research, Department of Surgery, University of California San Francisco, San Francisco, CA 94143, USA
| | - Sai Yuan
- Laboratory for Accelerated Vascular Research, Department of Surgery, University of California San Francisco, San Francisco, CA 94143, USA
| | - Kevin S. Hou
- Laboratory for Accelerated Vascular Research, Department of Surgery, University of California San Francisco, San Francisco, CA 94143, USA
| | - Jiayi Zhang
- Laboratory for Accelerated Vascular Research, Department of Surgery, University of California San Francisco, San Francisco, CA 94143, USA
| | - Xitao Wang
- Laboratory for Accelerated Vascular Research, Department of Surgery, University of California San Francisco, San Francisco, CA 94143, USA
| | - Arsalan U. Syed
- Department of Pharmacology, University of California, Davis, Davis, CA 95616, USA
| | - Matea Juric
- Free Radical Research Laboratory, Department of Biophysics, Medical College of Wisconsin, Milwaukee, WI 53226, USA
| | - Takamune Takahashi
- Division of Nephrology and Hypertension, Vanderbilt University Medical Center, Nashville, TN 37232, USA
| | - Manuel F. Navedo
- Department of Pharmacology, University of California, Davis, Davis, CA 95616, USA
| | - Rong A. Wang
- Laboratory for Accelerated Vascular Research, Department of Surgery, University of California San Francisco, San Francisco, CA 94143, USA
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5
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Cheng G, Karoui H, Hardy M, Kalyanaraman B. Polyphenolic Boronates Inhibit Tumor Cell Proliferation: Potential Mitigators of Oxidants in the Tumor Microenvironment. Cancers (Basel) 2023; 15:cancers15041089. [PMID: 36831432 PMCID: PMC9953882 DOI: 10.3390/cancers15041089] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Revised: 01/31/2023] [Accepted: 02/01/2023] [Indexed: 02/11/2023] Open
Abstract
Boronate-based compounds have been used in brain cancer therapy, either as prodrugs or in combination with other modalities. Boronates containing pro-luminescent and fluorescent probes have been used in mouse models of cancer. In this study, we synthesized and developed polyphenolic boronates and mitochondria-targeted polyphenolic phytochemicals (e.g., magnolol [MGN] and honokiol [HNK]) and tested their antiproliferative effects in brain cancer cells. Results show that mitochondria-targeted (Mito) polyphenolic boronates (Mito-MGN-B and Mito-HNK-B) were slightly more potent than Mito-MGN and Mito-HNK in inhibiting proliferation of the U87MG cell line. Similar proliferation results also were observed in other cancer cell lines, such as MiaPaCa-2, A549 and UACC-62. Independent in vitro experiments indicated that reactive nitrogen species (e.g., peroxynitrite) and reactive oxygen species (e.g., hydrogen peroxide) stoichiometrically react with polyphenolic boronates and Mito-polphenolic boronates, forming polyphenols and Mito-polyphenols as major products. Previous reports suggest that both Mito-MGN and Mito-HNK activate cytotoxic T cells and inhibit immunosuppressive immune cells. We propose that Mito-polyphenolic boronate-based prodrugs may be used to inhibit tumor proliferation and mitigate oxidant formation in the tumor microenvironment, thereby generating Mito-polyphenols in situ, as well as showing activity in the tumor microenvironment.
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Affiliation(s)
- Gang Cheng
- Department of Biophysics, Medical College of Wisconsin, Milwaukee, WI 53226, USA
| | - Hakim Karoui
- Aix Marseille Univ, CNRS, ICR, 13009 Marseille, France
| | - Micael Hardy
- Aix Marseille Univ, CNRS, ICR, 13009 Marseille, France
| | - Balaraman Kalyanaraman
- Department of Biophysics, Medical College of Wisconsin, Milwaukee, WI 53226, USA
- Correspondence:
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Michalski R, Smulik-Izydorczyk R, Pięta J, Rola M, Artelska A, Pierzchała K, Zielonka J, Kalyanaraman B, Sikora AB. The Chemistry of HNO: Mechanisms and Reaction Kinetics. Front Chem 2022; 10:930657. [PMID: 35864868 PMCID: PMC9294461 DOI: 10.3389/fchem.2022.930657] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2022] [Accepted: 06/06/2022] [Indexed: 11/23/2022] Open
Abstract
Azanone (HNO, also known as nitroxyl) is the protonated form of the product of one-electron reduction of nitric oxide (•NO), and an elusive electrophilic reactive nitrogen species of increasing pharmacological significance. Over the past 20 years, the interest in the biological chemistry of HNO has increased significantly due to the numerous beneficial pharmacological effects of its donors. Increased availability of various HNO donors was accompanied by great progress in the understanding of HNO chemistry and chemical biology. This review is focused on the chemistry of HNO, with emphasis on reaction kinetics and mechanisms in aqueous solutions.
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Affiliation(s)
- Radosław Michalski
- Institute of Applied Radiation Chemistry, Lodz University of Technology, Lodz, Poland
| | | | - Jakub Pięta
- Institute of Applied Radiation Chemistry, Lodz University of Technology, Lodz, Poland
| | - Monika Rola
- Institute of Applied Radiation Chemistry, Lodz University of Technology, Lodz, Poland
| | - Angelika Artelska
- Institute of Applied Radiation Chemistry, Lodz University of Technology, Lodz, Poland
| | - Karolina Pierzchała
- Institute of Applied Radiation Chemistry, Lodz University of Technology, Lodz, Poland
| | - Jacek Zielonka
- Department of Biophysics, Medical College of Wisconsin, Milwaukee, WI, United States
| | | | - Adam Bartłomiej Sikora
- Institute of Applied Radiation Chemistry, Lodz University of Technology, Lodz, Poland
- *Correspondence: Adam Bartłomiej Sikora,
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7
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Sylvester AL, Zhang DX, Ran S, Zinkevich NS. Inhibiting NADPH Oxidases to Target Vascular and Other Pathologies: An Update on Recent Experimental and Clinical Studies. Biomolecules 2022; 12:biom12060823. [PMID: 35740948 PMCID: PMC9221095 DOI: 10.3390/biom12060823] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2022] [Revised: 05/31/2022] [Accepted: 06/10/2022] [Indexed: 11/18/2022] Open
Abstract
Reactive oxygen species (ROS) can be beneficial or harmful in health and disease. While low levels of ROS serve as signaling molecules to regulate vascular tone and the growth and proliferation of endothelial cells, elevated levels of ROS contribute to numerous pathologies, such as endothelial dysfunctions, colon cancer, and fibrosis. ROS and their cellular sources have been extensively studied as potential targets for clinical intervention. Whereas various ROS sources are important for different pathologies, four NADPH oxidases (NOX1, NOX2, NOX4, and NOX5) play a prominent role in homeostasis and disease. NOX1-generated ROS have been implicated in hypertension, suggesting that inhibition of NOX1 may be a promising therapeutic approach. NOX2 and NOX4 oxidases are of specific interest due to their role in producing extra- and intracellular hydrogen peroxide (H2O2). NOX4-released hydrogen peroxide activates NOX2, which in turn stimulates the release of mitochondrial ROS resulting in ROS-induced ROS release (RIRR) signaling. Increased ROS production from NOX5 contributes to atherosclerosis. This review aims to summarize recent findings on NOX enzymes and clinical trials inhibiting NADPH oxidases to target pathologies including diabetes, idiopathic pulmonary fibrosis (IPF), and primary biliary cholangitis (PBC).
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Affiliation(s)
- Anthony L. Sylvester
- Department of Biology, University of Illinois at Springfield, Springfield, IL 62703, USA; or
| | - David X. Zhang
- Department of Medicine, Cardiovascular Center, Medical College of Wisconsin, Milwaukee, WI 53226, USA;
| | - Sophia Ran
- Department of Microbiology, Immunology and Cell Biology, Southern Illinois University School of Medicine, Springfield, IL 62702, USA;
| | - Natalya S. Zinkevich
- Department of Biology, University of Illinois at Springfield, Springfield, IL 62703, USA; or
- Correspondence: ; Tel.: +1-(217)-206-8367
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8
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Pierzchała K, Pięta M, Rola M, Świerczyńska M, Artelska A, Dębowska K, Podsiadły R, Pięta J, Zielonka J, Sikora A, Marcinek A, Michalski R. Fluorescent probes for monitoring myeloperoxidase-derived hypochlorous acid: a comparative study. Sci Rep 2022; 12:9314. [PMID: 35660769 PMCID: PMC9166712 DOI: 10.1038/s41598-022-13317-8] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2022] [Accepted: 05/18/2022] [Indexed: 11/17/2022] Open
Abstract
MPO-derived oxidants including HOCl contribute to tissue damage and the initiation and propagation of inflammatory diseases. The search for small molecule inhibitors of myeloperoxidase, as molecular tools and potential drugs, requires the application of high throughput screening assays based on monitoring the activity of myeloperoxidase. In this study, we have compared three classes of fluorescent probes for monitoring myeloperoxidase-derived hypochlorous acid, including boronate-, aminophenyl- and thiol-based fluorogenic probes and we show that all three classes of probes are suitable for this purpose. However, probes based on the coumarin fluorophore turned out to be not reliable indicators of the inhibitors’ potency. We have also determined the rate constants of the reaction between HOCl and the probes and they are equal to 1.8 × 104 M−1s−1 for coumarin boronic acid (CBA), 1.1 × 104 M−1s−1 for fluorescein based boronic acid (FLBA), 3.1 × 104 M−1s−1 for 7-(p-aminophenyl)-coumarin (APC), 1.6 × 104 M−1s−1 for 3’-(p-aminophenyl)-fluorescein (APF), and 1 × 107 M−1s−1 for 4-thiomorpholino-7-nitrobenz-2-oxa-1,3-diazole (NBD-TM). The high reaction rate constant of NBD-TM with HOCl makes this probe the most reliable tool to monitor HOCl formation in the presence of compounds showing HOCl-scavenging activity.
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Affiliation(s)
- Karolina Pierzchała
- Department of Chemistry, Institute of Applied Radiation Chemistry, Lodz University of Technology, Zeromskiego 116, 90-924, Lodz, Poland
| | - Marlena Pięta
- Department of Chemistry, Institute of Applied Radiation Chemistry, Lodz University of Technology, Zeromskiego 116, 90-924, Lodz, Poland
| | - Monika Rola
- Department of Chemistry, Institute of Applied Radiation Chemistry, Lodz University of Technology, Zeromskiego 116, 90-924, Lodz, Poland
| | - Małgorzata Świerczyńska
- Department of Chemistry, Institute of Polymer and Dye Technology, Lodz University of Technology, Stefanowskiego 12/16, 90-924, Lodz, Poland
| | - Angelika Artelska
- Department of Chemistry, Institute of Applied Radiation Chemistry, Lodz University of Technology, Zeromskiego 116, 90-924, Lodz, Poland
| | - Karolina Dębowska
- Department of Chemistry, Institute of Applied Radiation Chemistry, Lodz University of Technology, Zeromskiego 116, 90-924, Lodz, Poland
| | - Radosław Podsiadły
- Department of Chemistry, Institute of Polymer and Dye Technology, Lodz University of Technology, Stefanowskiego 12/16, 90-924, Lodz, Poland
| | - Jakub Pięta
- Department of Chemistry, Institute of Applied Radiation Chemistry, Lodz University of Technology, Zeromskiego 116, 90-924, Lodz, Poland
| | - Jacek Zielonka
- Department of Biophysics and Free Radical Research Center, Medical College of Wisconsin, 8701 Watertown Plank Road, Milwaukee, WI, 53226, USA.
| | - Adam Sikora
- Department of Chemistry, Institute of Applied Radiation Chemistry, Lodz University of Technology, Zeromskiego 116, 90-924, Lodz, Poland
| | - Andrzej Marcinek
- Department of Chemistry, Institute of Applied Radiation Chemistry, Lodz University of Technology, Zeromskiego 116, 90-924, Lodz, Poland
| | - Radosław Michalski
- Department of Chemistry, Institute of Applied Radiation Chemistry, Lodz University of Technology, Zeromskiego 116, 90-924, Lodz, Poland.
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9
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Piacenza L, Zeida A, Trujillo M, Radi R. The superoxide radical switch in the biology of nitric oxide and peroxynitrite. Physiol Rev 2022; 102:1881-1906. [PMID: 35605280 DOI: 10.1152/physrev.00005.2022] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Affiliation(s)
- Lucìa Piacenza
- Departamento de Bioquímica, Facultad de Medicina; Centro de Investigaciones Biomédicas (CEINBIO), Universidad de la República, Uruguay
| | - Ari Zeida
- Departamento de Bioquímica, Facultad de Medicina; Centro de Investigaciones Biomédicas (CEINBIO), Universidad de la República, Montevideo, Uruguay
| | - Madia Trujillo
- Departamento de Bioquímica, Facultad de Medicina; Centro de Investigaciones Biomédicas (CEINBIO), Universidad de la República, Montevideo, Uruguay
| | - Rafael Radi
- Departamento de Bioquímica, Facultad de Medicina; Centro de Investigaciones Biomédicas (CEINBIO), Universidad de la República, Montevideo, Uruguay
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10
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Grzelakowska A, Modrzejewska J, Kolińska J, Szala M, Zielonka M, Dębowska K, Zakłos-Szyda M, Sikora A, Zielonka J, Podsiadły R. Water-soluble cationic boronate probe based on coumarin imidazolium scaffold: Synthesis, characterization, and application to cellular peroxynitrite detection. Free Radic Biol Med 2022; 179:34-46. [PMID: 34923103 DOI: 10.1016/j.freeradbiomed.2021.12.260] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/23/2021] [Revised: 12/07/2021] [Accepted: 12/14/2021] [Indexed: 02/08/2023]
Abstract
Peroxynitrite (ONOO-) has been implicated in numerous pathologies associated with an inflammatory component, but its selective and sensitive detection in biological settings remains a challenge. Here, the development of a new water-soluble and cationic boronate probe based on a coumarin-imidazolium scaffold (CI-Bz-BA) for the fluorescent detection of ONOO- in cells is reported. The chemical reactivity of the CI-Bz-BA probe toward selected oxidants known to react with the boronate moiety was characterized, and the suitability of the probe for the direct detection of ONOO- in cell-free and cellular system is reported. Oxidation of the probe results in the formation of the primary hydroxybenzyl product (CI-Bz-OH), followed by the spontaneous elimination of the quinone methide moiety to produce the secondary phenol (CI-OH), which is accompanied by a red shift in the fluorescence emission band from 405 nm to 481 nm. CI-Bz-BA reacts with ONOO- stoichiometrically with a rate constant of ∼1 × 106 M-1s-1 to form, in addition to the major phenolic product CI-OH, the minor nitrated product CI-Bz-NO2, which is not formed by other oxidants tested or via myeloperoxidase-catalyzed oxidation/nitration. Both CI-OH and CI-Bz-NO2 products were also formed in the presence of cogenerated fluxes of nitric oxide and superoxide radical anion produced during decomposition of a SIN-1 donor. Using RAW 264.7 cells, we demonstrate the ability of the probe to report endogenously produced ONOO-via fluorescence measurements, including plate reader real time monitoring and two-photon fluorescence imaging. Liquid chromatography/mass spectrometry analyses of cell extracts and media confirmed the formation of both CI-OH and CI-Bz-NO2 in macrophages activated to produce ONOO-. We propose the use of a combination of real-time monitoring of probe oxidation using fluorimetry and fluorescence microscopy with liquid chromatography/mass spectrometry-based product identification for rigorous detection and quantitative analyses of ONOO- in biological systems.
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Affiliation(s)
- Aleksandra Grzelakowska
- Institute of Polymer and Dye Technology, Faculty of Chemistry, Lodz University of Technology, Stefanowskiego 16, 90-537, Lodz, Poland.
| | - Julia Modrzejewska
- Institute of Polymer and Dye Technology, Faculty of Chemistry, Lodz University of Technology, Stefanowskiego 16, 90-537, Lodz, Poland.
| | - Jolanta Kolińska
- Institute of Polymer and Dye Technology, Faculty of Chemistry, Lodz University of Technology, Stefanowskiego 16, 90-537, Lodz, Poland.
| | - Marcin Szala
- Institute of Polymer and Dye Technology, Faculty of Chemistry, Lodz University of Technology, Stefanowskiego 16, 90-537, Lodz, Poland.
| | - Monika Zielonka
- Department of Biophysics, Medical College of Wisconsin, 8701 Watertown Plank Road, Milwaukee, WI, 53226, United States.
| | - Karolina Dębowska
- Institute of Applied Radiation Chemistry, Faculty of Chemistry, Lodz University of Technology, Żeromskiego 116, 90-924, Lodz, Poland.
| | - Małgorzata Zakłos-Szyda
- Institute of Molecular and Industrial Biotechnology, Faculty of Biotechnology and Food Sciences, Lodz University of Technology, Stefanowskiego 2/22, 90-537, Lodz, Poland.
| | - Adam Sikora
- Institute of Applied Radiation Chemistry, Faculty of Chemistry, Lodz University of Technology, Żeromskiego 116, 90-924, Lodz, Poland.
| | - Jacek Zielonka
- Department of Biophysics, Medical College of Wisconsin, 8701 Watertown Plank Road, Milwaukee, WI, 53226, United States.
| | - Radosław Podsiadły
- Institute of Polymer and Dye Technology, Faculty of Chemistry, Lodz University of Technology, Stefanowskiego 16, 90-537, Lodz, Poland.
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11
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Zisimopoulos DN, Kalaitzopoulou E, Skipitari M, Papadea P, Panagopoulos NT, Salahas G, Georgiou CD. Detection of superoxide radical in all biological systems by Thin Layer Chromatography. Arch Biochem Biophys 2021; 716:109110. [PMID: 34958749 DOI: 10.1016/j.abb.2021.109110] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2021] [Revised: 12/15/2021] [Accepted: 12/16/2021] [Indexed: 12/20/2022]
Abstract
The study presents a new method that detects O2•-, via quantification of 2-hydroxyethidium (2-ΟΗ-Ε+) as low as ∼30 fmoles by High-Performance Thin Layer Chromatography (HPTLC). The method isolates 2-ΟΗ-Ε+ after its extraction by the anionic detergent SDS (at 18-fold higher than its CMC) together with certain organic/inorganic reagents, and its HPTLC-separation from di-ethidium (di-Ε+) and ethidium (Ε+). Quantification of 2-OH-E+ is based on its ex/em maxima at 290/540 nm, and of di-E+ and E+ at 295/545 nm. The major innovations of the present method are the development of protocols for (i) efficient extraction (by SDS) and (ii) sensitive quantification (by HPTLC) for 2-OH-E+ (as well as di-E+ and E+) from most biological systems (animals, plants, cells, subcellular compartments, fluids). The method extracts 2-ΟΗ-Ε+ (by neutralizing the strong binding between its quaternary N+ and negatively charged sites on phospholipids, DNA etc) together with free HE, while protects both from biological oxidases, and also extracts/quantifies total proteins (hydrophilic and hydrophobic) for expressing O2•- levels per protein quantity. The method also uses SDS (at 80-fold lower than its CMC) to extract/remove/wash 2-ΟΗ-Ε+ from cell/organelle exterior membrane sites, for more accurate internal content quantification. The new method is applied on indicative biological systems: (1) artificially stressed (mouse organs and liver mitochondria and nuclei, ±exposed to paraquat, a known O2•- generator), and (2) physiologically stressed (cauliflower plant, exposed to light/dark).
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Affiliation(s)
- Dimitrios N Zisimopoulos
- Section of Genetics, Cell Biology and Development, Department of Biology, University of Patras, Patras, Greece.
| | - Electra Kalaitzopoulou
- Section of Genetics, Cell Biology and Development, Department of Biology, University of Patras, Patras, Greece.
| | - Marianna Skipitari
- Section of Genetics, Cell Biology and Development, Department of Biology, University of Patras, Patras, Greece.
| | - Polyxeni Papadea
- Section of Genetics, Cell Biology and Development, Department of Biology, University of Patras, Patras, Greece.
| | | | | | - Christos D Georgiou
- Section of Genetics, Cell Biology and Development, Department of Biology, University of Patras, Patras, Greece.
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12
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Modrzejewska J, Szala M, Grzelakowska A, Zakłos-Szyda M, Zielonka J, Podsiadły R. Novel Boronate Probe Based on 3-Benzothiazol-2-yl-7-hydroxy-chromen-2-one for the Detection of Peroxynitrite and Hypochlorite. Molecules 2021; 26:5940. [PMID: 34641484 PMCID: PMC8512868 DOI: 10.3390/molecules26195940] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2021] [Revised: 09/22/2021] [Accepted: 09/24/2021] [Indexed: 11/22/2022] Open
Abstract
Derivatives of coumarin, containing oxidant-sensitive boronate group, were recently developed for fluorescent detection of inflammatory oxidants. Here, we report the synthesis and the characterization of 3-(2-benzothiazolyl)-7-coumarin boronic acid pinacol ester (BC-BE) as a fluorescent probe for the detection of peroxynitrite (ONOO-), with high stability and a fast response time. The BC-BE probe hydrolyzes in phosphate buffer to 3-(2-benzothiazolyl)-7-coumarin boronic acid (BC-BA) which is stable in the solution even after a prolonged incubation time (24 h). BC-BA is slowly oxidized by H2O2 to form the phenolic product, 3-benzothiazol-2-yl-7-hydroxy-chromen-2-one (BC-OH). On the other hand, the BC-BA probe reacts rapidly with ONOO-. The ability of the BC-BA probe to detect ONOO- was measured using both authentic ONOO- and the system co-generating steady-state fluxes of O2•- and •NO. BC-BA is oxidized by ONOO- to BC-OH. However, in this reaction 3-benzothiazol-2-yl-chromen-2-one (BC-H) is formed in the minor pathway, as a peroxynitrite-specific product. BC-OH is also formed in the reaction of BC-BA with HOCl, and subsequent reaction of BC-OH with HOCl leads to the formation of a chlorinated phenolic product, which could be used as a specific product for HOCl. We conclude that BC-BA shows potential as an improved fluorescent probe for the detection of peroxynitrite and hypochlorite in biological settings. Complementation of the fluorescence measurements by HPLC-based identification of oxidant-specific products will help to identify the oxidants detected.
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Affiliation(s)
- Julia Modrzejewska
- Institute of Polymer and Dye Technology, Faculty of Chemistry, Lodz University of Technology, Stefanowskiego 12/16, 90-924 Lodz, Poland; (J.M.); (M.S.); (A.G.)
| | - Marcin Szala
- Institute of Polymer and Dye Technology, Faculty of Chemistry, Lodz University of Technology, Stefanowskiego 12/16, 90-924 Lodz, Poland; (J.M.); (M.S.); (A.G.)
| | - Aleksandra Grzelakowska
- Institute of Polymer and Dye Technology, Faculty of Chemistry, Lodz University of Technology, Stefanowskiego 12/16, 90-924 Lodz, Poland; (J.M.); (M.S.); (A.G.)
| | - Małgorzata Zakłos-Szyda
- Institute of Molecular and Industrial Biotechnology, Faculty of Biotechnology and Food Sciences, Lodz University of Technology, Stefanowskiego 2/22, 90-537 Lodz, Poland;
| | - Jacek Zielonka
- Department of Biophysics, Medical College of Wisconsin, 8701 Watertown Plank Road, Milwaukee, WI 53226, USA
| | - Radosław Podsiadły
- Institute of Polymer and Dye Technology, Faculty of Chemistry, Lodz University of Technology, Stefanowskiego 12/16, 90-924 Lodz, Poland; (J.M.); (M.S.); (A.G.)
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13
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Furger C. Live Cell Assays for the Assessment of Antioxidant Activities of Plant Extracts. Antioxidants (Basel) 2021; 10:antiox10060944. [PMID: 34208019 PMCID: PMC8230623 DOI: 10.3390/antiox10060944] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2021] [Revised: 05/31/2021] [Accepted: 06/09/2021] [Indexed: 12/21/2022] Open
Abstract
Plant extracts and pharmacopoeias represent an exceptional breeding ground for the discovery of new antioxidants. Until recently, the antioxidant activity was only measured by chemical hydrogen atom transfer (HAT) and single-electron transfer (SET) cell-free assays that do not inform about the actual effect of antioxidants in living systems. By providing information about the mode of action of antioxidants at the subcellular level, recently developed live cell assays are now changing the game. The idea of this review is to present the different cell-based approaches allowing a quantitative measurement of antioxidant effects of plant extracts. Up to date, only four different approaches have reached a certain degree of standardization: (1) the catalase-like assay using H2O2 as a stressor, (2) the cell antioxidant assay (CAA) using AAPH as a stressor and DCFH-DA as a readout, (3) the AOP1 assay which uses photoinduction to monitor and control cell ROS production, and (4) the Nrf2/ARE gene reporter system. The molecular aspects of these assays are presented in detail along with their features, drawbacks, and benefits. The Nrf2/ARE gene reporter system dedicated to indirect antioxidant effect measurement currently represents the most standardized approach with high-throughput applications. AOP1, the first technology linking a fine-tuning of cell ROS production with a quantitative signal, appears to be the most promising tool for the assessment of direct cellular ROS-scavenging effects at an industrial scale.
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Affiliation(s)
- Christophe Furger
- Anti Oxidant Power AOP/MH2F-LAAS/CNRS, 7 Avenue du Colonel Roche, BP 54200, 31031 Toulouse, France
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14
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Grzelakowska A, Zielonka M, Dębowska K, Modrzejewska J, Szala M, Sikora A, Zielonka J, Podsiadły R. Two-photon fluorescent probe for cellular peroxynitrite: Fluorescence detection, imaging, and identification of peroxynitrite-specific products. Free Radic Biol Med 2021; 169:24-35. [PMID: 33862158 DOI: 10.1016/j.freeradbiomed.2021.04.011] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/04/2021] [Revised: 03/18/2021] [Accepted: 04/08/2021] [Indexed: 12/22/2022]
Abstract
A new naphthalene-based boronate probe, NAB-BE, for the fluorescence-based detection of inflammatory oxidants, including peroxynitrite, hypochlorous acid, and hydrogen peroxide, is reported. The chemical reactivity and fluorescence properties of the probe and the products are described. The major, phenolic oxidation product, NAB-OH, is formed in case of all three oxidants tested. This product shows green fluorescence, with a maximum at 512 nm, and can be excited either at 340 nm or in the near infrared region (745 nm) for two-photon fluorescence imaging. Peroxynitrite is the fastest of the oxidants tested and, in addition to the phenolic product, leads to the formation of a nitrated product, NAB-NO2, which can serve as a fingerprint for peroxynitrite. The probe was applied to detect peroxynitrite in activated macrophages using fluorimetry and two-photon fluorescence microscopy, and both NAB-OH and NAB-NO2 products were detected in cell extracts by liquid chromatography-mass spectrometry. The combined use of fluorometric high-throughput analyses, fluorescence imaging, and liquid chromatography-mass spectrometry-based product identification and quantitation is proposed for most comprehensive and rigorous characterization of oxidants in biological systems.
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Affiliation(s)
- Aleksandra Grzelakowska
- Institute of Polymer and Dye Technology, Faculty of Chemistry, Lodz University of Technology, Stefanowskiego 12/16, 90-924, Lodz, Poland.
| | - Monika Zielonka
- Department of Biophysics, Medical College of Wisconsin, 8701 Watertown Plank Road, Milwaukee, WI, 53226, United States.
| | - Karolina Dębowska
- Institute of Applied Radiation Chemistry, Faculty of Chemistry, Lodz University of Technology, Zeromskiego 116, 90-924, Lodz, Poland.
| | - Julia Modrzejewska
- Institute of Polymer and Dye Technology, Faculty of Chemistry, Lodz University of Technology, Stefanowskiego 12/16, 90-924, Lodz, Poland.
| | - Marcin Szala
- Institute of Polymer and Dye Technology, Faculty of Chemistry, Lodz University of Technology, Stefanowskiego 12/16, 90-924, Lodz, Poland.
| | - Adam Sikora
- Institute of Applied Radiation Chemistry, Faculty of Chemistry, Lodz University of Technology, Zeromskiego 116, 90-924, Lodz, Poland.
| | - Jacek Zielonka
- Department of Biophysics, Medical College of Wisconsin, 8701 Watertown Plank Road, Milwaukee, WI, 53226, United States.
| | - Radosław Podsiadły
- Institute of Polymer and Dye Technology, Faculty of Chemistry, Lodz University of Technology, Stefanowskiego 12/16, 90-924, Lodz, Poland.
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15
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Kalinovic S, Stamm P, Oelze M, Steven S, Kröller-Schön S, Kvandova M, Zielonka J, Münzel T, Daiber A. Detection of extracellular superoxide in isolated human immune cells and in an animal model of arterial hypertension using hydropropidine probe and HPLC analysis. Free Radic Biol Med 2021; 168:214-225. [PMID: 33823245 DOI: 10.1016/j.freeradbiomed.2021.03.041] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/19/2021] [Revised: 03/27/2021] [Accepted: 03/29/2021] [Indexed: 12/15/2022]
Abstract
Superoxide formation is a hallmark of cardiovascular disease with the involvement of different tissues and cell types. Identification of the cellular sources and subcellular localization of superoxide formation is important to understand the underlying disease pathomechanisms. In the present study, we used HPLC quantification of the superoxide-specific oxidation products of hydroethidine (HE or DHE) and its derivative hydropropidine (HPr+) for measurement of intra- and extracellular superoxide formation in isolated leukocytes and tissues of hypertensive rats. Superoxide generation by isolated leukocytes from human subjects as well as tissue samples of hypertensive rats (infusion of angiotensin-II for 7 days) was investigated using HPr+ and HE fluorescent probes with HPLC or plate reader detection. Both fluorescent dyes were used to test for intra- and extracellular superoxide formation using the supernatant or cell/tissue pellet for analysis. We demonstrate the correlation of impaired functional parameters (blood pressure, vascular function, and oxidative burst) and increased superoxide formation in different organ systems of hypertensive rats using the HPr+/HPLC method. In the cell model, the differences between HE and HPr+ and especially the advantage of the extracellular specificity of HPr+, due to its cell impermeability, became evident. Plate reader-based assays showed much higher background signal and were inferior to HPLC based methods. In conclusion, the HPr+/HPLC assay for superoxide determination is highly reliable in isolated immune cells and an animal model of arterial hypertension. In particular, the cell impermeability of HPr+ made it possible to differentiate between intra- and extracellular superoxide formation.
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Affiliation(s)
- Sanela Kalinovic
- Center for Cardiology, Department of Cardiology 1 - Molecular Cardiology, University Medical Center, 55131, Mainz, Germany
| | - Paul Stamm
- Center for Cardiology, Department of Cardiology 1 - Molecular Cardiology, University Medical Center, 55131, Mainz, Germany
| | - Matthias Oelze
- Center for Cardiology, Department of Cardiology 1 - Molecular Cardiology, University Medical Center, 55131, Mainz, Germany
| | - Sebastian Steven
- Center for Cardiology, Department of Cardiology 1 - Molecular Cardiology, University Medical Center, 55131, Mainz, Germany
| | - Swenja Kröller-Schön
- Center for Cardiology, Department of Cardiology 1 - Molecular Cardiology, University Medical Center, 55131, Mainz, Germany
| | - Miroslava Kvandova
- Center for Cardiology, Department of Cardiology 1 - Molecular Cardiology, University Medical Center, 55131, Mainz, Germany
| | - Jacek Zielonka
- Department of Biophysics, Cancer Center Redox & Bioenergetics Shared Resource, Medical College of Wisconsin, Milwaukee, WI, 53226, USA
| | - Thomas Münzel
- Center for Cardiology, Department of Cardiology 1 - Molecular Cardiology, University Medical Center, 55131, Mainz, Germany; Partner Site Rhine-Main, German Center for Cardiovascular Research (DZHK), Langenbeckstr. 1, 55131, Mainz, Germany
| | - Andreas Daiber
- Center for Cardiology, Department of Cardiology 1 - Molecular Cardiology, University Medical Center, 55131, Mainz, Germany; Partner Site Rhine-Main, German Center for Cardiovascular Research (DZHK), Langenbeckstr. 1, 55131, Mainz, Germany.
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16
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Zielonka J, Sikora A, Podsiadly R, Hardy M, Kalyanaraman B. Identification of Peroxynitrite by Profiling Oxidation and Nitration Products from Mitochondria-Targeted Arylboronic Acid. Methods Mol Biol 2021; 2275:315-327. [PMID: 34118047 DOI: 10.1007/978-1-0716-1262-0_20] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
The development of boronic probes enabled reliable detection and quantitative analysis of hydrogen peroxide , other nucleophilic hydroperoxides, hypochlorite , and peroxynitrite . The major product, in which boronate moiety of the probe is replaced by the hydroxyl group, is, however, common for all those oxidants. Here, we describe how ortho-isomer of mitochondria-targeted phenylboronic acid can be used to detect and differentiate peroxynitrite-dependent and independent probe oxidation. This method highlights detection and quantification of both the major, phenolic product and the minor, peroxynitrite-specific cyclic and nitrated products of probe oxidation.
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Affiliation(s)
- Jacek Zielonka
- Department of Biophysics and Free Radical Research Center, Medical College of Wisconsin, Milwaukee, WI, USA.
| | - Adam Sikora
- Institute of Applied Radiation Chemistry, Lodz University of Technology, Lodz, Poland
| | - Radoslaw Podsiadly
- Institute of Polymer and Dye Technology, Lodz University of Technology, Lodz, Poland
| | - Micael Hardy
- Aix Marseille University, CNRS, ICR, UMR 7273, Marseille, France
| | - B Kalyanaraman
- Department of Biophysics and Free Radical Research Center, Medical College of Wisconsin, Milwaukee, WI, USA
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17
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Oxidation of ethidium-based probes by biological radicals: mechanism, kinetics and implications for the detection of superoxide. Sci Rep 2020; 10:18626. [PMID: 33122809 PMCID: PMC7596101 DOI: 10.1038/s41598-020-75373-2] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2020] [Accepted: 10/13/2020] [Indexed: 12/21/2022] Open
Abstract
Hydroethidine (HE) and hydropropidine (\documentclass[12pt]{minimal}
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\begin{document}$$\hbox {HPr}^{+}$$\end{document}HPr+) are fluorogenic probes used for the detection of the intra- and extracellular superoxide radical anion (\documentclass[12pt]{minimal}
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\begin{document}$$\hbox {O}_{ {2}}^{\bullet -}$$\end{document}O2∙-). In this study, we provide evidence that HE and \documentclass[12pt]{minimal}
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\begin{document}$$\hbox {HPr}^{+}$$\end{document}HPr+ react rapidly with the biologically relevant radicals, including the hydroxyl radical, peroxyl radicals, the trioxidocarbonate radical anion, nitrogen dioxide, and the glutathionyl radical, via one-electron oxidation, forming the corresponding radical cations. At physiological pH, the radical cations of the probes react rapidly with \documentclass[12pt]{minimal}
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\begin{document}$$\hbox {O}_{ {2}}^{\bullet -}$$\end{document}O2∙-, leading to the specific 2-hydroxylated cationic products. We determined the rate constants of the reaction between \documentclass[12pt]{minimal}
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\begin{document}$$\hbox {O}_{ {2}}^{\bullet -}$$\end{document}O2∙- and the radical cations of the probes. We also synthesized N-methylated analogs of \documentclass[12pt]{minimal}
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\begin{document}$$\hbox {HPr}^{+}$$\end{document}HPr+ and HE which were used in mechanistic studies. Methylation of the amine groups was not found to prevent the reaction between the radical cation of the probe and the superoxide, but it significantly increased the lifetime of the radical cation and had a substantial effect on the profiles of the oxidation products by inhibiting the formation of dimeric products. We conclude that the N-methylated analogs of HE and \documentclass[12pt]{minimal}
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\begin{document}$$\hbox {HPr}^{+}$$\end{document}HPr+ may be used as a scaffold for the design of a new generation of probes for intra- and extracellular superoxide.
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18
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Prince PD, Fraga CG, Galleano M. (-)-Epicatechin administration protects kidneys against modifications induced by short-term l-NAME treatment in rats. Food Funct 2020; 11:318-327. [PMID: 31808777 DOI: 10.1039/c9fo02234a] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
The aim of this work was to evaluate the protective effects of (-)-epicatechin on the kidneys of NO-deprived rats. Male Sprague Dawley rats were divided into three groups: control (C), receiving water and standard diet; l-NAME (L), receiving a solution of N(ω)-nitro-l-arginine methyl ester (l-NAME) (360 mg l-1 in water) as a beverage and standard diet; and l-NAME-(-)-epicatechin (LE), receiving l-NAME solution as a beverage and standard diet supplemented with (-)-epicatechin (4 g kg-1 diet). The L-group showed altered kidney function parameters, evaluated based on plasma urea and creatinine. In parallel, kidney oxidative stress markers, i.e. superoxide anion production, malondialdehyde content, and 3-nitrotyrosine protein adducts, were significantly increased in the L group. In addition, l-NAME treatment induced modifications in kidney NO bioavailability determinants: increased expression of NOX subunits (p47phox, gp91phox, NOXO1, and NOX4) and lowered NOS activity. (-)-Epicatechin administration restored kidney function parameters, oxidative stress markers, expression of p47phox, gp91phox, and NOX4 and NOS activity to control values. These results indicate that (-)-epicatechin can mitigate NO-mediated impairment of kidney function, in part due to its capacity to modulate NOXs, NOSs, and consequently oxidative stress, and NO bioavailability.
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Affiliation(s)
- Paula D Prince
- Cátedra de Fisicoquímica, Departamento de Química Analítica y Fisicoquímica, Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, Buenos Aires, Argentina.
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19
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Sikora A, Zielonka J, Dębowska K, Michalski R, Smulik-Izydorczyk R, Pięta J, Podsiadły R, Artelska A, Pierzchała K, Kalyanaraman B. Boronate-Based Probes for Biological Oxidants: A Novel Class of Molecular Tools for Redox Biology. Front Chem 2020; 8:580899. [PMID: 33102447 PMCID: PMC7545953 DOI: 10.3389/fchem.2020.580899] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2020] [Accepted: 08/12/2020] [Indexed: 01/21/2023] Open
Abstract
Boronate-based molecular probes are emerging as one of the most effective tools for detection and quantitation of peroxynitrite and hydroperoxides. This review discusses the chemical reactivity of boronate compounds in the context of their use for detection of biological oxidants, and presents examples of the practical use of those probes in selected chemical, enzymatic, and biological systems. The particular reactivity of boronates toward nucleophilic oxidants makes them a distinct class of probes for redox biology studies. We focus on the recent progress in the design and application of boronate-based probes in redox studies and perspectives for further developments.
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Affiliation(s)
- Adam Sikora
- Faculty of Chemistry, Institute of Applied Radiation Chemistry, Lodz University of Technology, Lodz, Poland
| | - Jacek Zielonka
- Department of Biophysics and Free Radical Research Center, Medical College of Wisconsin, Milwaukee, WI, United States
| | - Karolina Dębowska
- Faculty of Chemistry, Institute of Applied Radiation Chemistry, Lodz University of Technology, Lodz, Poland
| | - Radosław Michalski
- Faculty of Chemistry, Institute of Applied Radiation Chemistry, Lodz University of Technology, Lodz, Poland
| | - Renata Smulik-Izydorczyk
- Faculty of Chemistry, Institute of Applied Radiation Chemistry, Lodz University of Technology, Lodz, Poland
| | - Jakub Pięta
- Faculty of Chemistry, Institute of Applied Radiation Chemistry, Lodz University of Technology, Lodz, Poland
| | - Radosław Podsiadły
- Faculty of Chemistry, Institute of Polymer and Dye Technology, Lodz University of Technology, Lodz, Poland
| | - Angelika Artelska
- Faculty of Chemistry, Institute of Applied Radiation Chemistry, Lodz University of Technology, Lodz, Poland
| | - Karolina Pierzchała
- Faculty of Chemistry, Institute of Applied Radiation Chemistry, Lodz University of Technology, Lodz, Poland
| | - Balaraman Kalyanaraman
- Department of Biophysics and Free Radical Research Center, Medical College of Wisconsin, Milwaukee, WI, United States
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20
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Kalyanaraman B. Teaching the basics of repurposing mitochondria-targeted drugs: From Parkinson's disease to cancer and back to Parkinson's disease. Redox Biol 2020; 36:101665. [PMID: 32795938 PMCID: PMC7426584 DOI: 10.1016/j.redox.2020.101665] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2020] [Revised: 07/16/2020] [Accepted: 07/28/2020] [Indexed: 12/19/2022] Open
Abstract
Parkinson's disease (PD) and cancer share common mutations in mitochondrial proteins: Parkin and PINK1. The overlapping of genes involved in PD and cancer implies that the two diseases might share a common pathogenic mechanism. There are other compelling rationales for a mechanistic link between these diseases. Mitochondria and autophagy/mitophagy are emerging as therapeutic targets in PD and cancer: Ongoing research in our laboratories has shown that, when administered early, mitochondria-targeted agents afford neuroprotection in preclinical mice models of PD. Also, we discovered that mitochondria-targeted drugs inhibit tumor cell proliferation. We propose that mitochondrial targeting stimulates conservation of cellular energy critical for neuronal cell survival, whereas the energy conservation mechanism inhibits proliferation of cancer cells by depriving the energy necessary for cancer cell growth. We propose a promising drug repurposing strategy involving mitochondria-targeted drugs synthesized from naturally occurring molecules and FDA-approved drugs that are relatively nontoxic in both PD and cancer. These compounds have been shown to induce various cellular signaling pathways for autophagy/mitophagy, anti-inflammatory, and immunomodulatory effects that are implicated as therapeutic mechanisms in PD and cancer. Targeting mitochondria in cancer and PD could be a useful drug repurposing strategy. Modification of natural compounds with TPP+targets mitochondria. Mitochondria-targeted agents induce multiple cell signaling mechanisms.
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Affiliation(s)
- Balaraman Kalyanaraman
- Department of Biophysics, Free Radical Research Center, Center for Disease Prevention Research, Medical College of Wisconsin, 8701 Watertown Plank Road, Milwaukee, WI, USA.
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21
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Rios N, Radi R, Kalyanaraman B, Zielonka J. Tracking isotopically labeled oxidants using boronate-based redox probes. J Biol Chem 2020; 295:6665-6676. [PMID: 32217693 DOI: 10.1074/jbc.ra120.013402] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2020] [Revised: 03/26/2020] [Indexed: 01/01/2023] Open
Abstract
Reactive oxygen and nitrogen species have been implicated in many biological processes and diseases, including immune responses, cardiovascular dysfunction, neurodegeneration, and cancer. These chemical species are short-lived in biological settings, and detecting them in these conditions and diseases requires the use of molecular probes that form stable, easily detectable, products. The chemical mechanisms and limitations of many of the currently used probes are not well-understood, hampering their effective applications. Boronates have emerged as a class of probes for the detection of nucleophilic two-electron oxidants. Here, we report the results of an oxygen-18-labeling MS study to identify the origin of oxygen atoms in the oxidation products of phenylboronate targeted to mitochondria. We demonstrate that boronate oxidation by hydrogen peroxide, peroxymonocarbonate, hypochlorite, or peroxynitrite involves the incorporation of oxygen atoms from these oxidants. We therefore conclude that boronates can be used as probes to track isotopically labeled oxidants. This suggests that the detection of specific products formed from these redox probes could enable precise identification of oxidants formed in biological systems. We discuss the implications of these results for understanding the mechanism of conversion of the boronate-based redox probes to oxidant-specific products.
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Affiliation(s)
- Natalia Rios
- Departamento de Bioquímica, Facultad de Medicina, Universidad de la República, 11800 Montevideo, Uruguay.,Centro de Investigaciones Biomédicas (CEINBIO), Facultad de Medicina, Universidad de la República, Montevideo, Uruguay
| | - Rafael Radi
- Departamento de Bioquímica, Facultad de Medicina, Universidad de la República, 11800 Montevideo, Uruguay.,Centro de Investigaciones Biomédicas (CEINBIO), Facultad de Medicina, Universidad de la República, Montevideo, Uruguay
| | | | - Jacek Zielonka
- Department of Biophysics, Medical College of Wisconsin, Milwaukee, Wisconsin 53226
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22
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Zielonka J, Zielonka M, Cheng G, Hardy M, Kalyanaraman B. High-Throughput Screening of NOX Inhibitors. Methods Mol Biol 2020; 1982:429-446. [PMID: 31172487 DOI: 10.1007/978-1-4939-9424-3_25] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Development of new, selective inhibitors of nicotinamide adenine dinucleotide phosphate oxidase (NOX) isoforms is important both for basic studies on the role of these enzymes in cellular redox signaling, cell physiology, and proliferation and for development of new drugs for diseases carrying a component of increased NOX activity, such as several types of cancer and cardiovascular and neurodegenerative diseases. High-throughput screening (HTS) of large libraries of compounds remains the major approach for development of new NOX inhibitors. Here, we describe the protocol for the HTS campaign for NOX inhibitors using rigorous assays for superoxide radical anion and hydrogen peroxide, based on oxidation of hydropropidine, coumarin boronic acid, and Amplex Red. We propose using these three probes to screen for and identify new inhibitors, by selecting positive hits that show inhibitory effects in all three assays. Protocols for the synthesis of hydropropidine and for confirmatory assays, including oxygen consumption measurements, electron paramagnetic resonance spin trapping of superoxide, and simultaneous monitoring of superoxide and hydrogen peroxide, are also provided.
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Affiliation(s)
- Jacek Zielonka
- Department of Biophysics, Medical College of Wisconsin, Milwaukee, WI, USA. .,Free Radical Research Center, Medical College of Wisconsin, Milwaukee, WI, USA. .,Cancer Center, Medical College of Wisconsin, Milwaukee, WI, USA.
| | - Monika Zielonka
- Department of Biophysics, Medical College of Wisconsin, Milwaukee, WI, USA.,Free Radical Research Center, Medical College of Wisconsin, Milwaukee, WI, USA
| | - Gang Cheng
- Department of Biophysics, Medical College of Wisconsin, Milwaukee, WI, USA.,Free Radical Research Center, Medical College of Wisconsin, Milwaukee, WI, USA
| | - Micael Hardy
- Aix Marseille Université, CNRS, ICR, UMR 7273, Marseille, France
| | - Balaraman Kalyanaraman
- Department of Biophysics, Medical College of Wisconsin, Milwaukee, WI, USA.,Free Radical Research Center, Medical College of Wisconsin, Milwaukee, WI, USA.,Cancer Center, Medical College of Wisconsin, Milwaukee, WI, USA
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23
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He C, Danes JM, Hart PC, Zhu Y, Huang Y, de Abreu AL, O'Brien J, Mathison AJ, Tang B, Frasor JM, Wakefield LM, Ganini D, Stauder E, Zielonka J, Gantner BN, Urrutia RA, Gius D, Bonini MG. SOD2 acetylation on lysine 68 promotes stem cell reprogramming in breast cancer. Proc Natl Acad Sci U S A 2019; 116:23534-23541. [PMID: 31591207 PMCID: PMC6876149 DOI: 10.1073/pnas.1902308116] [Citation(s) in RCA: 41] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
Mitochondrial superoxide dismutase (SOD2) suppresses tumor initiation but promotes invasion and dissemination of tumor cells at later stages of the disease. The mechanism of this functional switch remains poorly defined. Our results indicate that as SOD2 expression increases acetylation of lysine 68 ensues. Acetylated SOD2 promotes hypoxic signaling via increased mitochondrial reactive oxygen species (mtROS). mtROS, in turn, stabilize hypoxia-induced factor 2α (HIF2α), a transcription factor upstream of "stemness" genes such as Oct4, Sox2, and Nanog. In this sense, our findings indicate that SOD2K68Ac and mtROS are linked to stemness reprogramming in breast cancer cells via HIF2α signaling. Based on these findings we propose that, as tumors evolve, the accumulation of SOD2K68Ac turns on a mitochondrial pathway to stemness that depends on HIF2α and may be relevant for the progression of breast cancer toward poor outcomes.
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Affiliation(s)
- Chenxia He
- Department of Medicine, Division of Endocrinology, Medical College of Wisconsin, Milwaukee, WI 53226
| | - Jeanne M Danes
- Department of Medicine, Division of Endocrinology, Medical College of Wisconsin, Milwaukee, WI 53226
| | - Peter C Hart
- Department of Pathology, University of Illinois at Chicago, Chicago, IL 60612
| | - Yueming Zhu
- Department of Radiation Oncology, Northwestern University, Chicago, IL 60657
| | - Yunping Huang
- Department of Medicine, Division of Endocrinology, Medical College of Wisconsin, Milwaukee, WI 53226
| | | | - Joseph O'Brien
- Department of Radiation Oncology, Northwestern University, Chicago, IL 60657
| | - Angela J Mathison
- Genomic Sciences and Precision Medicine Center, Medical College of Wisconsin, Milwaukee, WI 53226
| | - Binwu Tang
- Center for Cancer Research, National Cancer Institute, Bethesda, MD 20892
| | - Jonna M Frasor
- Department of Physiology and Biophysics, University of Illinois at Chicago, Chicago, IL 60612
| | - Lalage M Wakefield
- Center for Cancer Research, National Cancer Institute, Bethesda, MD 20892
| | - Douglas Ganini
- Free Radical Metabolism Group, National Institute of Environmental Health Sciences, Research Triangle Park, NC 27709
| | - Erich Stauder
- Department of Biophysics, Medical College of Wisconsin, Milwaukee, WI 53226
| | - Jacek Zielonka
- Department of Biophysics, Medical College of Wisconsin, Milwaukee, WI 53226
| | - Benjamin N Gantner
- Department of Medicine, Division of Endocrinology, Medical College of Wisconsin, Milwaukee, WI 53226
| | - Raul A Urrutia
- Genomic Sciences and Precision Medicine Center, Medical College of Wisconsin, Milwaukee, WI 53226
| | - David Gius
- Department of Radiation Oncology, Northwestern University, Chicago, IL 60657
| | - Marcelo G Bonini
- Department of Medicine, Division of Endocrinology, Medical College of Wisconsin, Milwaukee, WI 53226;
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24
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Besson E, Gastaldi S, Bloch E, Zielonka J, Zielonka M, Kalyanaraman B, Aslan S, Karoui H, Rockenbauer A, Ouari O, Hardy M. Embedding cyclic nitrone in mesoporous silica particles for EPR spin trapping of superoxide and other radicals. Analyst 2019; 144:4194-4203. [DOI: 10.1039/c9an00468h] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Mesoporous silica functionalised with a cyclic spin trap enabled the identification of a wide range of radicals in organic and aqueous media, including superoxide radical anion.
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Affiliation(s)
| | | | - Emily Bloch
- Aix Marseille Univ
- CNRS
- MADIREL
- Marseille
- France
| | - Jacek Zielonka
- Department of Biophysics
- Medical College of Wisconsin
- Milwaukee
- USA
- Free Radical Research Center
| | - Monika Zielonka
- Department of Biophysics
- Medical College of Wisconsin
- Milwaukee
- USA
- Free Radical Research Center
| | - Balaraman Kalyanaraman
- Department of Biophysics
- Medical College of Wisconsin
- Milwaukee
- USA
- Free Radical Research Center
| | | | | | - Antal Rockenbauer
- Institute of Materials and Environmental Chemistry
- Research Centre for Natural Sciences
- Hungarian Academy of Sciences
- 1117 Budapest
- Hungary
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25
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HPLC-Based Monitoring of Oxidation of Hydroethidine for the Detection of NADPH Oxidase-Derived Superoxide Radical Anion. Methods Mol Biol 2019; 1982:243-258. [PMID: 31172476 DOI: 10.1007/978-1-4939-9424-3_14] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Hydroethidine is a fluorogenic probe that in the presence of the superoxide radical anion is oxidized to a red fluorescent product, 2-hydroxyethidium. In cells, hydroethidine is also oxidized to other products, including red fluorescent ethidium. Thus, selective monitoring of 2-hydroxyethidium is required for specific detection of the superoxide radical anion. Here, we provide protocols for HPLC- and LC-MS-based quantitation of 2-hydroxyethidium, among other oxidation products. Also, a protocol for continuous sampling for real-time monitoring of superoxide production using rapid HPLC measurements of 2-hydroxyethidium is described.
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26
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Smulik-Izydorczyk R, Rostkowski M, Gerbich A, Jarmoc D, Adamus J, Leszczyńska A, Michalski R, Marcinek A, Kramkowski K, Sikora A. Decomposition of Piloty's acid derivatives – Toward the understanding of factors controlling HNO release. Arch Biochem Biophys 2019; 661:132-144. [DOI: 10.1016/j.abb.2018.11.012] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2018] [Revised: 10/11/2018] [Accepted: 11/14/2018] [Indexed: 01/21/2023]
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27
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Prolo C, Rios N, Piacenza L, Álvarez MN, Radi R. Fluorescence and chemiluminescence approaches for peroxynitrite detection. Free Radic Biol Med 2018; 128:59-68. [PMID: 29454880 DOI: 10.1016/j.freeradbiomed.2018.02.017] [Citation(s) in RCA: 52] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/29/2017] [Revised: 02/07/2018] [Accepted: 02/12/2018] [Indexed: 12/23/2022]
Abstract
In the last two decades, there has been a significant advance in understanding the biochemistry of peroxynitrite, an endogenously-produced oxidant and nucleophile. Its relevance as a mediator in several pathologic states and the aging process together with its transient character and low steady-state concentration, motivated the development of a variety of techniques for its unambiguous detection and estimation. Among these, fluorescence and chemiluminescence approaches have represented important tools with enhanced sensitivity but usual limited specificity. In this review, we analyze selected examples of molecular probes that permit the detection of peroxynitrite by fluorescence and chemiluminescence, disclosing their mechanism of reaction with either peroxynitrite or peroxynitrite-derived radicals. Indeed, probes have been divided into 1) redox probes that yield products by a free radical mechanism, and 2) electrophilic probes that evolve to products secondary to the nucleophilic attack by peroxynitrite. Overall, boronate-based compounds are emerging as preferred probes for the sensitive and specific detection and quantitation. Moreover, novel strategies involving genetically-modified fluorescent proteins with the incorporation of unnatural amino acids have been recently described as peroxynitrite sensors. This review analyzes the most commonly used fluorescence and chemiluminescence approaches for peroxynitrite detection and provides some guidelines for appropriate experimental design and data interpretation, including how to estimate peroxynitrite formation rates in cells.
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Affiliation(s)
- Carolina Prolo
- Departamento de Bioquímica, Facultad de Medicina, Universidad de la República, Montevideo, Uruguay; Center for Free Radical and Biomedical Research, Facultad de Medicina, Universidad de la República, Montevideo, Uruguay
| | - Natalia Rios
- Departamento de Bioquímica, Facultad de Medicina, Universidad de la República, Montevideo, Uruguay; Center for Free Radical and Biomedical Research, Facultad de Medicina, Universidad de la República, Montevideo, Uruguay
| | - Lucia Piacenza
- Departamento de Bioquímica, Facultad de Medicina, Universidad de la República, Montevideo, Uruguay; Center for Free Radical and Biomedical Research, Facultad de Medicina, Universidad de la República, Montevideo, Uruguay
| | - María Noel Álvarez
- Departamento de Bioquímica, Facultad de Medicina, Universidad de la República, Montevideo, Uruguay; Center for Free Radical and Biomedical Research, Facultad de Medicina, Universidad de la República, Montevideo, Uruguay
| | - Rafael Radi
- Departamento de Bioquímica, Facultad de Medicina, Universidad de la República, Montevideo, Uruguay; Center for Free Radical and Biomedical Research, Facultad de Medicina, Universidad de la República, Montevideo, Uruguay.
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28
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Zielonka J, Kalyanaraman B. Small-molecule luminescent probes for the detection of cellular oxidizing and nitrating species. Free Radic Biol Med 2018; 128:3-22. [PMID: 29567392 PMCID: PMC6146080 DOI: 10.1016/j.freeradbiomed.2018.03.032] [Citation(s) in RCA: 48] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/31/2018] [Revised: 03/09/2018] [Accepted: 03/16/2018] [Indexed: 01/24/2023]
Abstract
Reactive oxygen species (ROS) have been implicated in both pathogenic cellular damage events and physiological cellular redox signaling and regulation. To unravel the biological role of ROS, it is very important to be able to detect and identify the species involved. In this review, we introduce the reader to the methods of detection of ROS using luminescent (fluorescent, chemiluminescent, and bioluminescent) probes and discuss typical limitations of those probes. We review the most widely used probes, state-of-the-art assays, and the new, promising approaches for rigorous detection and identification of superoxide radical anion, hydrogen peroxide, and peroxynitrite. The combination of real-time monitoring of the dynamics of ROS in cells and the identification of the specific products formed from the probes will reveal the role of specific types of ROS in cellular function and dysfunction. Understanding the molecular mechanisms involving ROS may help with the development of new therapeutics for several diseases involving dysregulated cellular redox status.
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Affiliation(s)
- Jacek Zielonka
- Department of Biophysics, Medical College of Wisconsin, 8701 Watertown Plank Road, Milwaukee, WI 53226, United States; Free Radical Research Center, Medical College of Wisconsin, 8701 Watertown Plank Road, Milwaukee, WI 53226, United States; Cancer Center, Medical College of Wisconsin, 8701 Watertown Plank Road, Milwaukee, WI 53226, United States.
| | - Balaraman Kalyanaraman
- Department of Biophysics, Medical College of Wisconsin, 8701 Watertown Plank Road, Milwaukee, WI 53226, United States; Free Radical Research Center, Medical College of Wisconsin, 8701 Watertown Plank Road, Milwaukee, WI 53226, United States; Cancer Center, Medical College of Wisconsin, 8701 Watertown Plank Road, Milwaukee, WI 53226, United States
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29
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Kalyanaraman B, Cheng G, Zielonka J, Bennett B. Low-Temperature EPR Spectroscopy as a Probe-Free Technique for Monitoring Oxidants Formed in Tumor Cells and Tissues: Implications in Drug Resistance and OXPHOS-Targeted Therapies. Cell Biochem Biophys 2018; 77:89-98. [PMID: 30259334 DOI: 10.1007/s12013-018-0858-1] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2018] [Accepted: 09/12/2018] [Indexed: 12/12/2022]
Abstract
Oxidants formed from oxidative and nitrative metabolism include reactive oxygen species (ROS) such as superoxide, hydrogen peroxide/lipid hydroperoxides and reactive nitrogen species (RNS) (e.g., peroxynitrite [ONOO-] and nitrogen dioxide), and reactive halogenated species (e.g., hypochlorous acid [HOCl]). Increasingly, ROS and RNS are implicated in tumorigenesis as well as tumor growth, progression, and metastasis. Recently, ROS were implicated in drug resistance, metabolic reprogramming, and T-cell metabolism in immunotherapy. Mostly, fluorescent probes have been used in cell culture systems. The identity of species is obtained by LC-MS analyses of diagnostic marker products. However, extrapolation of these assays to cancer xenografts is difficult if not impossible. Thus, development of a probe-free assay for monitoring and assessing oxidant formation in tumor cells and tumor xenografts is critical and timely. Here, we describe the use of ex vivo electron paramagnetic resonance (EPR) spectroscopy at cryogenic temperatures as a uniquely useful probe-free technique for assessing intracellular oxidation and oxidants via EPR signals from redox centers, particularly iron-sulfur clusters, in mitochondrial and cytosolic redox proteins. Examples of cancer cells subjected to inhibition of mitochondrial oxidative phosphorylation are presented. This ex vivo methodology can be readily extended to monitor oxidant formation in tumor tissues isolated from mice and humans.
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Affiliation(s)
- Balaraman Kalyanaraman
- Department of Biophysics, Medical College of Wisconsin, 8701 Watertown Plank Road, Milwaukee, WI, 53226, USA. .,Free Radical Research Center, Medical College of Wisconsin, 8701 Watertown Plank Road, Milwaukee, WI, 53226, USA. .,Cancer Center, Medical College of Wisconsin, 8701 Watertown Plank Road, Milwaukee, WI, 53226, USA.
| | - Gang Cheng
- Department of Biophysics, Medical College of Wisconsin, 8701 Watertown Plank Road, Milwaukee, WI, 53226, USA.,Free Radical Research Center, Medical College of Wisconsin, 8701 Watertown Plank Road, Milwaukee, WI, 53226, USA
| | - Jacek Zielonka
- Department of Biophysics, Medical College of Wisconsin, 8701 Watertown Plank Road, Milwaukee, WI, 53226, USA.,Free Radical Research Center, Medical College of Wisconsin, 8701 Watertown Plank Road, Milwaukee, WI, 53226, USA.,Cancer Center, Medical College of Wisconsin, 8701 Watertown Plank Road, Milwaukee, WI, 53226, USA
| | - Brian Bennett
- Department of Physics, Marquette University, 540 N. 15th St., Milwaukee, WI, 53233, USA.
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30
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Smallwood MJ, Nissim A, Knight AR, Whiteman M, Haigh R, Winyard PG. Oxidative stress in autoimmune rheumatic diseases. Free Radic Biol Med 2018; 125:3-14. [PMID: 29859343 DOI: 10.1016/j.freeradbiomed.2018.05.086] [Citation(s) in RCA: 180] [Impact Index Per Article: 30.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/10/2018] [Revised: 05/15/2018] [Accepted: 05/28/2018] [Indexed: 12/23/2022]
Abstract
The management of patients with autoimmune rheumatic diseases such as rheumatoid arthritis (RA) remains a significant challenge. Often the rheumatologist is restricted to treating and relieving the symptoms and consequences and not the underlying cause of the disease. Oxidative stress occurs in many autoimmune diseases, along with the excess production of reactive oxygen species (ROS) and reactive nitrogen species (RNS). The sources of such reactive species include NADPH oxidases (NOXs), the mitochondrial electron transport chain, nitric oxide synthases, nitrite reductases, and the hydrogen sulfide producing enzymes cystathionine-β synthase and cystathionine-γ lyase. Superoxide undergoes a dismutation reaction to generate hydrogen peroxide which, in the presence of transition metal ions (e.g. ferrous ions), forms the hydroxyl radical. The enzyme myeloperoxidase, present in inflammatory cells, produces hypochlorous acid, and in healthy individuals ROS and RNS production by phagocytic cells is important in microbial killing. Both low molecular weight antioxidant molecules and antioxidant enzymes, such as superoxide dismutase, catalase, glutathione peroxidase, and peroxiredoxin remove ROS. However, when ROS production exceeds the antioxidant protection, oxidative stress occurs. Oxidative post-translational modifications of proteins then occur. Sometimes protein modifications may give rise to neoepitopes that are recognized by the immune system as 'non-self' and result in the formation of autoantibodies. The detection of autoantibodies against specific antigens, might improve both early diagnosis and monitoring of disease activity. Promising diagnostic autoantibodies include anti-carbamylated proteins and anti-oxidized type II collagen antibodies. Some of the most promising future strategies for redox-based therapeutic compounds are the activation of endogenous cellular antioxidant systems (e.g. Nrf2-dependent pathways), inhibition of disease-relevant sources of ROS/RNS (e.g. isoform-specific NOX inhibitors), or perhaps specifically scavenging disease-related ROS/RNS via site-specific antioxidants.
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Affiliation(s)
- Miranda J Smallwood
- University of Exeter Medical School, St Luke's Campus, Exeter, Devon EX1 2LU, UK
| | - Ahuva Nissim
- Centre for Biochemical Pharmacology, William Harvey Research Institute, Queen Mary, University of London, Charterhouse Square, London EC1M 6BQ, UK
| | - Annie R Knight
- University of Exeter Medical School, St Luke's Campus, Exeter, Devon EX1 2LU, UK
| | - Matthew Whiteman
- University of Exeter Medical School, St Luke's Campus, Exeter, Devon EX1 2LU, UK
| | - Richard Haigh
- University of Exeter Medical School, St Luke's Campus, Exeter, Devon EX1 2LU, UK; Department of Rheumatology, Princess Elizabeth Orthopaedic Centre, Royal Devon and Exeter NHS Foundation Trust (Wonford), Exeter EX2 5DW, UK
| | - Paul G Winyard
- University of Exeter Medical School, St Luke's Campus, Exeter, Devon EX1 2LU, UK.
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31
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Oxygen radicals, nitric oxide, and peroxynitrite: Redox pathways in molecular medicine. Proc Natl Acad Sci U S A 2018; 115:5839-5848. [PMID: 29802228 DOI: 10.1073/pnas.1804932115] [Citation(s) in RCA: 608] [Impact Index Per Article: 101.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
Oxygen-derived free radicals and related oxidants are ubiquitous and short-lived intermediates formed in aerobic organisms throughout life. These reactive species participate in redox reactions leading to oxidative modifications in biomolecules, among which proteins and lipids are preferential targets. Despite a broad array of enzymatic and nonenzymatic antioxidant systems in mammalian cells and microbes, excess oxidant formation causes accumulation of new products that may compromise cell function and structure leading to cell degeneration and death. Oxidative events are associated with pathological conditions and the process of normal aging. Notably, physiological levels of oxidants also modulate cellular functions via homeostatic redox-sensitive cell signaling cascades. On the other hand, nitric oxide (•NO), a free radical and weak oxidant, represents a master physiological regulator via reversible interactions with heme proteins. The bioavailability and actions of •NO are modulated by its fast reaction with superoxide radical ([Formula: see text]), which yields an unusual and reactive peroxide, peroxynitrite, representing the merging of the oxygen radicals and •NO pathways. In this Inaugural Article, I summarize early and remarkable developments in free radical biochemistry and the later evolution of the field toward molecular medicine; this transition includes our contributions disclosing the relationship of •NO with redox intermediates and metabolism. The biochemical characterization, identification, and quantitation of peroxynitrite and its role in disease processes have concentrated much of our attention. Being a mediator of protein oxidation and nitration, lipid peroxidation, mitochondrial dysfunction, and cell death, peroxynitrite represents both a pathophysiologically relevant endogenous cytotoxin and a cytotoxic effector against invading pathogens.
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32
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Hardy M, Zielonka J, Karoui H, Sikora A, Michalski R, Podsiadły R, Lopez M, Vasquez-Vivar J, Kalyanaraman B, Ouari O. Detection and Characterization of Reactive Oxygen and Nitrogen Species in Biological Systems by Monitoring Species-Specific Products. Antioxid Redox Signal 2018; 28:1416-1432. [PMID: 29037049 PMCID: PMC5910052 DOI: 10.1089/ars.2017.7398] [Citation(s) in RCA: 57] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/03/2017] [Accepted: 10/15/2017] [Indexed: 12/31/2022]
Abstract
SIGNIFICANCE Since the discovery of the superoxide dismutase enzyme, the generation and fate of short-lived oxidizing, nitrosating, nitrating, and halogenating species in biological systems has been of great interest. Despite the significance of reactive oxygen species (ROS) and reactive nitrogen species (RNS) in numerous diseases and intracellular signaling, the rigorous detection of ROS and RNS has remained a challenge. Recent Advances: Chemical characterization of the reactions of selected ROS and RNS with electron paramagnetic resonance (EPR) spin traps and fluorescent probes led to the establishment of species-specific products, which can be used for specific detection of several forms of ROS and RNS in cell-free systems and in cultured cells in vitro and in animals in vivo. Profiling oxidation products from the ROS and RNS probes provides a rigorous method for detection of those species in biological systems. CRITICAL ISSUES Formation and detection of species-specific products from the probes enables accurate characterization of the oxidative environment in cells. Measurement of the total signal (fluorescence, chemiluminescence, etc.) intensity does not allow for identification of the ROS/RNS formed. It is critical to identify the products formed by using chromatographic or other rigorous techniques. Product analyses should be accompanied by monitoring of the intracellular probe level, another factor controlling the yield of the product(s) formed. FUTURE DIRECTIONS More work is required to characterize the chemical reactivity of the ROS/RNS probes, and to develop new probes/detection approaches enabling real-time, selective monitoring of the specific products formed from the probes. Antioxid. Redox Signal. 28, 1416-1432.
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Affiliation(s)
- Micael Hardy
- Aix Marseille Univ, CNRS, ICR, Marseille, France
| | - Jacek Zielonka
- Department of Biophysics, Medical College of Wisconsin, Milwaukee, Wisconsin
- Free Radical Research Center, Medical College of Wisconsin, Milwaukee, Wisconsin
- Cancer Center, Medical College of Wisconsin, Milwaukee, Wisconsin
| | - Hakim Karoui
- Aix Marseille Univ, CNRS, ICR, Marseille, France
| | - Adam Sikora
- Institute of Applied Radiation Chemistry, Lodz University of Technology, Lodz, Poland
| | - Radosław Michalski
- Institute of Applied Radiation Chemistry, Lodz University of Technology, Lodz, Poland
| | - Radosław Podsiadły
- Faculty of Chemistry, Institute of Polymer and Dye Technology, Lodz University of Technology, Lodz, Poland
| | - Marcos Lopez
- Translational Biomedical Research Group, Biotechnology Laboratories, Cardiovascular Foundation of Colombia, Santander, Colombia
- Graduate Program of Biomedical Sciences, Faculty of Health, Universidad del Valle, Cali, Colombia
| | - Jeannette Vasquez-Vivar
- Department of Biophysics, Medical College of Wisconsin, Milwaukee, Wisconsin
- Free Radical Research Center, Medical College of Wisconsin, Milwaukee, Wisconsin
| | - Balaraman Kalyanaraman
- Department of Biophysics, Medical College of Wisconsin, Milwaukee, Wisconsin
- Free Radical Research Center, Medical College of Wisconsin, Milwaukee, Wisconsin
- Cancer Center, Medical College of Wisconsin, Milwaukee, Wisconsin
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Cheng G, Zielonka M, Dranka B, Kumar SN, Myers CR, Bennett B, Garces AM, Dias Duarte Machado LG, Thiebaut D, Ouari O, Hardy M, Zielonka J, Kalyanaraman B. Detection of mitochondria-generated reactive oxygen species in cells using multiple probes and methods: Potentials, pitfalls, and the future. J Biol Chem 2018; 293:10363-10380. [PMID: 29739855 DOI: 10.1074/jbc.ra118.003044] [Citation(s) in RCA: 70] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2018] [Revised: 05/04/2018] [Indexed: 12/14/2022] Open
Abstract
Reactive oxygen and nitrogen species (ROS/RNS) such as superoxide (O2̇̄), hydrogen peroxide, lipid hydroperoxides, peroxynitrite, and hypochlorous and hypobromous acids play a key role in many pathophysiological processes. Recent studies have focused on mitochondrial ROS as redox signaling species responsible for promoting cell division, modulating and regulating kinases and phosphatases, and activating transcription factors. Many ROS also stimulate cell death and senescence. The extent to which these processes occur is attributed to ROS levels (low or high) in cells. However, the exact nature of ROS remains unknown. Investigators have used redox-active probes that, upon oxidation by ROS, yield products exhibiting fluorescence, chemiluminescence, or bioluminescence. Mitochondria-targeted probes can be used to detect ROS generated in mitochondria. However, because most of these redox-active probes (untargeted and mitochondria-targeted) are oxidized by several ROS species, attributing redox probe oxidation to specific ROS species is difficult. It is conceivable that redox-active probes are oxidized in common one-electron oxidation pathways, resulting in a radical intermediate that either reacts with another oxidant (including oxygen to produce O2̇̄) and forms a stable fluorescent product or reacts with O2̇̄ to form a fluorescent marker product. Here, we propose the use of multiple probes and complementary techniques (HPLC, LC-MS, redox blotting, and EPR) and the measurement of intracellular probe uptake and specific marker products to identify specific ROS generated in cells. The low-temperature EPR technique developed to investigate cellular/mitochondrial oxidants can easily be extended to animal and human tissues.
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Affiliation(s)
- Gang Cheng
- From the Department of Biophysics.,Free Radical Research Center
| | - Monika Zielonka
- From the Department of Biophysics.,Free Radical Research Center
| | - Brian Dranka
- the Cell Analysis Division, Agilent Technologies, Santa Clara, California 95051
| | | | - Charles R Myers
- Pharmacology and Toxicology, and.,Cancer Center, Medical College of Wisconsin, Milwaukee, Wisconsin 53226
| | - Brian Bennett
- the Department of Physics, Marquette University, Milwaukee, Wisconsin 53233, and
| | - Alexander M Garces
- the Department of Physics, Marquette University, Milwaukee, Wisconsin 53233, and
| | | | - David Thiebaut
- the Aix Marseille Univ, CNRS, ICR, UMR 7273, Marseille 13013, France
| | - Olivier Ouari
- the Aix Marseille Univ, CNRS, ICR, UMR 7273, Marseille 13013, France
| | - Micael Hardy
- the Aix Marseille Univ, CNRS, ICR, UMR 7273, Marseille 13013, France
| | - Jacek Zielonka
- From the Department of Biophysics.,Free Radical Research Center.,Cancer Center, Medical College of Wisconsin, Milwaukee, Wisconsin 53226
| | - Balaraman Kalyanaraman
- From the Department of Biophysics, .,Free Radical Research Center.,Cancer Center, Medical College of Wisconsin, Milwaukee, Wisconsin 53226
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34
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Xu Z, Ni B, Cao Z, Zielonka J, Gao J, Chen F, Kalyanaraman B, White GC, Ma YQ. Kindlin-3 negatively regulates the release of neutrophil extracellular traps. J Leukoc Biol 2018; 104:597-602. [PMID: 29656482 DOI: 10.1002/jlb.3ab0118-005r] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2018] [Revised: 02/15/2018] [Accepted: 03/20/2018] [Indexed: 12/28/2022] Open
Abstract
Neutrophils fight infections by generating reactive oxygen species (ROS) and extracellular traps (NETs). However, how neutrophils modulate ROS/NET generation is mechanistically unclear. Kindlin-3, an essential integrin activator expressed in hematopoietic cells, is required to support integrin-mediated neutrophil recruitment during inflammation. Here, we report a novel role of kindlin-3 in regulating ROS/NET generation in neutrophils. When overexpressing kindlin-3 in neutrophil-like differentiated HL-60 cells (HL-60N), ROS/NET generation from these cells were significantly suppressed. Interestingly, overexpression of a kindlin-3 mutant that is defective for interacting with integrins in HL-60N cells still inhibited ROS/NET generation, suggesting that the role of kindlin-3 in inhibiting ROS/NET signaling may be independent of its binding to integrins. Consistently, knockdown of kindlin-3 in HL-60N cells led to enhanced ROS/NET generation. In addition, bone marrow neutrophils isolated from kindlin-3-deficient mice showed elevated ROS/NET generation when compared with WT counterparts. As expected, overexpression of exogenous kindlin-3 in mouse neutrophils could suppress NET release ex vivo and in vivo. Collectively, these results demonstrate that kindlin-3 in neutrophils is involved in modulating the ROS/NET signaling, providing a novel mechanism for fine-tuning neutrophil behaviors during inflammation.
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Affiliation(s)
- Zhen Xu
- Blood Research Institute, Blood Center of Wisconsin, Milwaukee, Wisconsin, USA.,Collaborative Research Program for Cell Adhesion Molecules, Shanghai University School of Life Sciences, Shanghai, China
| | - Beiwen Ni
- Blood Research Institute, Blood Center of Wisconsin, Milwaukee, Wisconsin, USA.,Department of Hematology, Renji Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai, China
| | - Zhongyuan Cao
- Collaborative Research Program for Cell Adhesion Molecules, Shanghai University School of Life Sciences, Shanghai, China
| | - Jacek Zielonka
- Department of Biophysics, Medical College of Wisconsin, Milwaukee, Wisconsin, USA
| | - Juan Gao
- Collaborative Research Program for Cell Adhesion Molecules, Shanghai University School of Life Sciences, Shanghai, China
| | - Fangyuan Chen
- Department of Hematology, Renji Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai, China
| | | | - Gilbert C White
- Blood Research Institute, Blood Center of Wisconsin, Milwaukee, Wisconsin, USA.,Department of Biochemistry, Medical College of Wisconsin, Milwaukee, Wisconsin, USA
| | - Yan-Qing Ma
- Blood Research Institute, Blood Center of Wisconsin, Milwaukee, Wisconsin, USA.,Collaborative Research Program for Cell Adhesion Molecules, Shanghai University School of Life Sciences, Shanghai, China.,Department of Biochemistry, Medical College of Wisconsin, Milwaukee, Wisconsin, USA
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Cardiomyocyte diffusible redox mediators control Trypanosoma cruzi infection: role of parasite mitochondrial iron superoxide dismutase. Biochem J 2018; 475:1235-1251. [PMID: 29438066 DOI: 10.1042/bcj20170698] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2017] [Revised: 01/29/2018] [Accepted: 02/05/2018] [Indexed: 12/28/2022]
Abstract
Chagas disease (CD), caused by the protozoa Trypanosoma cruzi, is a chronic illness in which parasites persist in the host-infected tissues for years. T. cruzi invasion in cardiomyocytes elicits the production of pro-inflammatory mediators [TNF-α, IL-1β, IFN-γ; nitric oxide (·NO)], leading to mitochondrial dysfunction with increased superoxide radical (O2·-), hydrogen peroxide (H2O2) and peroxynitrite generation. We hypothesize that these redox mediators may control parasite proliferation through the induction of intracellular amastigote programmed cell death (PCD). In this work, we show that T. cruzi (CL-Brener strain) infection in primary cardiomyocytes produced an early (24 h post infection) mitochondrial dysfunction with H2O2 generation and the establishment of an oxidative stress evidenced by FoxO3 activation and target host mitochondrial protein expression (MnSOD and peroxiredoxin 3). TNF-α/IL-1β-stimulated cardiomyocytes were able to control intracellular amastigote proliferation compared with unstimulated cardiomyocytes. In this condition leading to oxidant formation, an enhanced number of intracellular apoptotic amastigotes were detected. The ability of H2O2 to induce T. cruzi PCD was further confirmed in the epimastigote stage of the parasite. H2O2 treatment induced parasite mitochondrial dysfunction together with intra-mitochondrial O2·- generation. Importantly, parasites genetically engineered to overexpress mitochondrial Fe-superoxide dismutase (Fe-SODA) were more infective to TNF-α/IL-1β-stimulated cardiomyocytes with less apoptotic amastigotes; this result underscores the role of this enzyme in parasite survival. Our results indicate that cardiomyocyte-derived diffusible mediators are able to control intracellular amastigote proliferation by triggering T. cruzi PCD and that parasite Fe-SODA tilts the process toward survival as part of an antioxidant-based immune evasion mechanism.
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Kalyanaraman B, Cheng G, Hardy M, Ouari O, Bennett B, Zielonka J. Teaching the basics of reactive oxygen species and their relevance to cancer biology: Mitochondrial reactive oxygen species detection, redox signaling, and targeted therapies. Redox Biol 2017; 15:347-362. [PMID: 29306792 PMCID: PMC5756055 DOI: 10.1016/j.redox.2017.12.012] [Citation(s) in RCA: 130] [Impact Index Per Article: 18.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2017] [Revised: 12/21/2017] [Accepted: 12/23/2017] [Indexed: 01/05/2023] Open
Abstract
Reactive oxygen species (ROS) have been implicated in tumorigenesis (tumor initiation, tumor progression, and metastasis). Of the many cellular sources of ROS generation, the mitochondria and the NADPH oxidase family of enzymes are possibly the most prevalent intracellular sources. In this article, we discuss the methodologies to detect mitochondria-derived superoxide and hydrogen peroxide using conventional probes as well as newly developed assays and probes, and the necessity of characterizing the diagnostic marker products with HPLC and LC-MS in order to rigorously identify the oxidizing species. The redox signaling roles of mitochondrial ROS, mitochondrial thiol peroxidases, and transcription factors in response to mitochondria-targeted drugs are highlighted. ROS generation and ROS detoxification in drug-resistant cancer cells and the relationship to metabolic reprogramming are discussed. Understanding the subtle role of ROS in redox signaling and in tumor proliferation, progression, and metastasis as well as the molecular and cellular mechanisms (e.g., autophagy) could help in the development of combination therapies. The paradoxical aspects of antioxidants in cancer treatment are highlighted in relation to the ROS mechanisms in normal and cancer cells. Finally, the potential uses of newly synthesized exomarker probes for in vivo superoxide and hydrogen peroxide detection and the low-temperature electron paramagnetic resonance technique for monitoring oxidant production in tumor tissues are discussed.
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Affiliation(s)
- Balaraman Kalyanaraman
- Department of Biophysics, Medical College of Wisconsin, 8701 Watertown Plank Road, Milwaukee, WI 53226, United States; Free Radical Research Center, Medical College of Wisconsin, 8701 Watertown Plank Road, Milwaukee, WI 53226, United States; Cancer Center, Medical College of Wisconsin, 8701 Watertown Plank Road, Milwaukee, WI 53226, United States.
| | - Gang Cheng
- Department of Biophysics, Medical College of Wisconsin, 8701 Watertown Plank Road, Milwaukee, WI 53226, United States; Free Radical Research Center, Medical College of Wisconsin, 8701 Watertown Plank Road, Milwaukee, WI 53226, United States
| | - Micael Hardy
- Aix Marseille Univ CNRS ICR UMR 7273, Marseille 13013, France
| | - Olivier Ouari
- Aix Marseille Univ CNRS ICR UMR 7273, Marseille 13013, France
| | - Brian Bennett
- Department of Physics, Marquette University, 540 North 15th Street, Milwaukee, WI 53233, United States
| | - Jacek Zielonka
- Department of Biophysics, Medical College of Wisconsin, 8701 Watertown Plank Road, Milwaukee, WI 53226, United States; Free Radical Research Center, Medical College of Wisconsin, 8701 Watertown Plank Road, Milwaukee, WI 53226, United States; Cancer Center, Medical College of Wisconsin, 8701 Watertown Plank Road, Milwaukee, WI 53226, United States
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37
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Zielonka J, Hardy M, Michalski R, Sikora A, Zielonka M, Cheng G, Ouari O, Podsiadły R, Kalyanaraman B. Recent Developments in the Probes and Assays for Measurement of the Activity of NADPH Oxidases. Cell Biochem Biophys 2017; 75:335-349. [PMID: 28660426 PMCID: PMC5693611 DOI: 10.1007/s12013-017-0813-6] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2017] [Accepted: 06/15/2017] [Indexed: 01/18/2023]
Abstract
NADPH oxidases are a family of enzymes capable of transferring electrons from NADPH to molecular oxygen. A major function of NADPH oxidases is the activation of molecular oxygen into reactive oxygen species. Increased activity of NADPH oxidases has been implicated in various pathologies, including cardiovascular disease, neurological dysfunction, and cancer. Thus, NADPH oxidases have been identified as a viable target for the development of novel therapeutics exhibiting inhibitory effects on NADPH oxidases. Here, we describe the development of new assays for measuring the activity of NADPH oxidases enabling the high-throughput screening for NADPH oxidase inhibitors.
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Affiliation(s)
- Jacek Zielonka
- Department of Biophysics and Free Radical Research Center, Medical College of Wisconsin, 8701 Watertown Plank Road, Milwaukee, WI, 53226, USA.
| | - Micael Hardy
- Aix Marseille Univ, CNRS, ICR, 13013, Marseille, France
| | - Radosław Michalski
- Institute of Applied Radiation Chemistry, Faculty of Chemistry, Lodz University of Technology, Zeromskiego 116, 90-924, Lodz, Poland
| | - Adam Sikora
- Institute of Applied Radiation Chemistry, Faculty of Chemistry, Lodz University of Technology, Zeromskiego 116, 90-924, Lodz, Poland
| | - Monika Zielonka
- Department of Biophysics and Free Radical Research Center, Medical College of Wisconsin, 8701 Watertown Plank Road, Milwaukee, WI, 53226, USA
| | - Gang Cheng
- Department of Biophysics and Free Radical Research Center, Medical College of Wisconsin, 8701 Watertown Plank Road, Milwaukee, WI, 53226, USA
| | - Olivier Ouari
- Aix Marseille Univ, CNRS, ICR, 13013, Marseille, France
| | - Radosław Podsiadły
- Institute of Polymer and Dye Technology, Faculty of Chemistry, Lodz University of Technology, Stefanowskiego 12/16, 90-924, Lodz, Poland
| | - Balaraman Kalyanaraman
- Department of Biophysics and Free Radical Research Center, Medical College of Wisconsin, 8701 Watertown Plank Road, Milwaukee, WI, 53226, USA
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Langley M, Ghosh A, Charli A, Sarkar S, Ay M, Luo J, Zielonka J, Brenza T, Bennett B, Jin H, Ghaisas S, Schlichtmann B, Kim D, Anantharam V, Kanthasamy A, Narasimhan B, Kalyanaraman B, Kanthasamy AG. Mito-Apocynin Prevents Mitochondrial Dysfunction, Microglial Activation, Oxidative Damage, and Progressive Neurodegeneration in MitoPark Transgenic Mice. Antioxid Redox Signal 2017; 27:1048-1066. [PMID: 28375739 PMCID: PMC5651937 DOI: 10.1089/ars.2016.6905] [Citation(s) in RCA: 87] [Impact Index Per Article: 12.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
AIMS Parkinson's disease (PD) is a neurodegenerative disorder characterized by progressive motor deficits and degeneration of dopaminergic neurons. Caused by a number of genetic and environmental factors, mitochondrial dysfunction and oxidative stress play a role in neurodegeneration in PD. By selectively knocking out mitochondrial transcription factor A (TFAM) in dopaminergic neurons, the transgenic MitoPark mice recapitulate many signature features of the disease, including progressive motor deficits, neuronal loss, and protein inclusions. In the present study, we evaluated the neuroprotective efficacy of a novel mitochondrially targeted antioxidant, Mito-apocynin, in MitoPark mice and cell culture models of neuroinflammation and mitochondrial dysfunction. RESULTS Oral administration of Mito-apocynin (10 mg/kg, thrice a week) showed excellent central nervous system bioavailability and significantly improved locomotor activity and coordination in MitoPark mice. Importantly, Mito-apocynin also partially attenuated severe nigrostriatal degeneration in MitoPark mice. Mechanistic studies revealed that Mito-apo improves mitochondrial function and inhibits NOX2 activation, oxidative damage, and neuroinflammation. INNOVATION The properties of Mito-apocynin identified in the MitoPark transgenic mouse model strongly support potential clinical applications for Mito-apocynin as a viable neuroprotective and anti-neuroinflammatory drug for treating PD when compared to conventional therapeutic approaches. CONCLUSION Collectively, our data demonstrate, for the first time, that a novel orally active apocynin derivative improves behavioral, inflammatory, and neurodegenerative processes in a severe progressive dopaminergic neurodegenerative model of PD. Antioxid. Redox Signal. 27, 1048-1066.
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Affiliation(s)
- Monica Langley
- 1 Department of Biomedical Sciences, Iowa Center for Advanced Neurotoxicology, Iowa State University , Ames, Iowa
| | - Anamitra Ghosh
- 1 Department of Biomedical Sciences, Iowa Center for Advanced Neurotoxicology, Iowa State University , Ames, Iowa
| | - Adhithiya Charli
- 1 Department of Biomedical Sciences, Iowa Center for Advanced Neurotoxicology, Iowa State University , Ames, Iowa
| | - Souvarish Sarkar
- 1 Department of Biomedical Sciences, Iowa Center for Advanced Neurotoxicology, Iowa State University , Ames, Iowa
| | - Muhammet Ay
- 1 Department of Biomedical Sciences, Iowa Center for Advanced Neurotoxicology, Iowa State University , Ames, Iowa
| | - Jie Luo
- 1 Department of Biomedical Sciences, Iowa Center for Advanced Neurotoxicology, Iowa State University , Ames, Iowa
| | - Jacek Zielonka
- 2 Department of Biophysics, Medical College of Wisconsin , Milwaukee, Wisconsin
| | - Timothy Brenza
- 3 Department of Chemical and Biological Engineering, Iowa State University , Ames, Iowa
| | - Brian Bennett
- 4 Department of Physics, Marquette University , Milwaukee, Wisconsin
| | - Huajun Jin
- 1 Department of Biomedical Sciences, Iowa Center for Advanced Neurotoxicology, Iowa State University , Ames, Iowa
| | - Shivani Ghaisas
- 1 Department of Biomedical Sciences, Iowa Center for Advanced Neurotoxicology, Iowa State University , Ames, Iowa
| | - Benjamin Schlichtmann
- 3 Department of Chemical and Biological Engineering, Iowa State University , Ames, Iowa
| | - Dongsuk Kim
- 1 Department of Biomedical Sciences, Iowa Center for Advanced Neurotoxicology, Iowa State University , Ames, Iowa
| | - Vellareddy Anantharam
- 1 Department of Biomedical Sciences, Iowa Center for Advanced Neurotoxicology, Iowa State University , Ames, Iowa
| | - Arthi Kanthasamy
- 1 Department of Biomedical Sciences, Iowa Center for Advanced Neurotoxicology, Iowa State University , Ames, Iowa
| | - Balaji Narasimhan
- 3 Department of Chemical and Biological Engineering, Iowa State University , Ames, Iowa
| | | | - Anumantha G Kanthasamy
- 1 Department of Biomedical Sciences, Iowa Center for Advanced Neurotoxicology, Iowa State University , Ames, Iowa
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Sorce S, Stocker R, Seredenina T, Holmdahl R, Aguzzi A, Chio A, Depaulis A, Heitz F, Olofsson P, Olsson T, Duveau V, Sanoudou D, Skosgater S, Vlahou A, Wasquel D, Krause KH, Jaquet V. NADPH oxidases as drug targets and biomarkers in neurodegenerative diseases: What is the evidence? Free Radic Biol Med 2017; 112:387-396. [PMID: 28811143 DOI: 10.1016/j.freeradbiomed.2017.08.006] [Citation(s) in RCA: 75] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/30/2017] [Revised: 08/04/2017] [Accepted: 08/06/2017] [Indexed: 11/25/2022]
Abstract
Neurodegenerative disease are frequently characterized by microglia activation and/or leukocyte infiltration in the parenchyma of the central nervous system and at the molecular level by increased oxidative modifications of proteins, lipids and nucleic acids. NADPH oxidases (NOX) emerged as a novel promising class of pharmacological targets for the treatment of neurodegeneration due to their role in oxidant generation and presumably in regulating microglia activation. The unique function of NOX is the generation of superoxide anion (O2•-) and hydrogen peroxide (H2O2). However in the context of neuroinflammation, they present paradoxical features since O2•-/H2O2 generated by NOX and/or secondary reactive oxygen species (ROS) derived from O2•-/H2O2 can either lead to neuronal oxidative damage or resolution of inflammation. The role of NOX enzymes has been investigated in many models of neurodegenerative diseases by using either genetic or pharmacological approaches. In the present review we provide a critical assessment of recent findings related to the role of NOX in the CNS as well as how the field has advanced over the last 5 years. In particular, we focus on the data derived from the work of a consortium (Neurinox) funded by the European Commission's Programme 7 (FP7). We discuss the evidence gathered from animal models and human samples linking NOX expression/activity with neuroinflammation in neurodegenerative diseases, such as amyotrophic lateral sclerosis (ALS) and Creutzfeldt-Jakob disease as well as autoimmune demyelinating diseases like multiple sclerosis (MS) and chronic inflammatory demyelinating polyneuropathy (CIDP). We address the possibility to use measurement of the activity of the NOX2 isoform in blood samples as biomarker of disease severity and treatment efficacy in neurodegenerative disease. Finally we clarify key controversial aspects in the field of NOX, such as NOX cellular expression in the brain, measurement of NOX activity, impact of genetic deletion of NOX in animal models of neurodegeneration and specificity of NOX inhibitors.
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Affiliation(s)
- Silvia Sorce
- Neuropathology Institute, University of Zürich, Switzerland
| | - Roland Stocker
- Victor Chang Cardiac Research Institute, and School of Medical Sciences, University of New South Wales, Australia
| | - Tamara Seredenina
- Department of Pathology and Immunology, Faculty of Medicine, University of Geneva, Switzerland
| | - Rikard Holmdahl
- Section for Medical Inflammation research, Department of Medical Biochemistry and Biophysics, Karolinska Institute, Sweden
| | - Adriano Aguzzi
- Neuropathology Institute, University of Zürich, Switzerland
| | - Adriano Chio
- Department of Neuroscience, University of Torino, Italy
| | - Antoine Depaulis
- Grenoble Institut des Neurosciences, Inserm U1216 and Univ, Grenoble Alpes, F-38000 Grenoble, France
| | | | - Peter Olofsson
- Redoxis AB, Medicon Village, Lund, Sweden; Pronoxis AB, Medicon Village, Lund, Sweden
| | - Tomas Olsson
- Department of Medical Biochemistry and Biophysics, Karolinska Institute, Sweden
| | | | - Despina Sanoudou
- Clinical Genomics and Pharmacogenomics Unit, 4th Department of Internal Medicine, Attikon Hospital, Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - Sara Skosgater
- Arttic, 58A rue du Dessous des Berges, F-75013 Paris, France
| | - Antonia Vlahou
- Biomedical Research Foundation, Academy of Athens, Athens, Greece
| | | | - Karl-Heinz Krause
- Department of Pathology and Immunology, Faculty of Medicine, University of Geneva, Switzerland
| | - Vincent Jaquet
- Department of Pathology and Immunology, Faculty of Medicine, University of Geneva, Switzerland.
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Egea J, Fabregat I, Frapart YM, Ghezzi P, Görlach A, Kietzmann T, Kubaichuk K, Knaus UG, Lopez MG, Olaso-Gonzalez G, Petry A, Schulz R, Vina J, Winyard P, Abbas K, Ademowo OS, Afonso CB, Andreadou I, Antelmann H, Antunes F, Aslan M, Bachschmid MM, Barbosa RM, Belousov V, Berndt C, Bernlohr D, Bertrán E, Bindoli A, Bottari SP, Brito PM, Carrara G, Casas AI, Chatzi A, Chondrogianni N, Conrad M, Cooke MS, Costa JG, Cuadrado A, My-Chan Dang P, De Smet B, Debelec-Butuner B, Dias IHK, Dunn JD, Edson AJ, El Assar M, El-Benna J, Ferdinandy P, Fernandes AS, Fladmark KE, Förstermann U, Giniatullin R, Giricz Z, Görbe A, Griffiths H, Hampl V, Hanf A, Herget J, Hernansanz-Agustín P, Hillion M, Huang J, Ilikay S, Jansen-Dürr P, Jaquet V, Joles JA, Kalyanaraman B, Kaminskyy D, Karbaschi M, Kleanthous M, Klotz LO, Korac B, Korkmaz KS, Koziel R, Kračun D, Krause KH, Křen V, Krieg T, Laranjinha J, Lazou A, Li H, Martínez-Ruiz A, Matsui R, McBean GJ, Meredith SP, Messens J, Miguel V, Mikhed Y, Milisav I, Milković L, Miranda-Vizuete A, Mojović M, Monsalve M, Mouthuy PA, Mulvey J, Münzel T, Muzykantov V, Nguyen ITN, Oelze M, Oliveira NG, Palmeira CM, Papaevgeniou N, Pavićević A, Pedre B, Peyrot F, Phylactides M, Pircalabioru GG, Pitt AR, Poulsen HE, Prieto I, Rigobello MP, Robledinos-Antón N, Rodríguez-Mañas L, Rolo AP, Rousset F, Ruskovska T, Saraiva N, Sasson S, Schröder K, Semen K, Seredenina T, Shakirzyanova A, Smith GL, Soldati T, Sousa BC, Spickett CM, Stancic A, Stasia MJ, Steinbrenner H, Stepanić V, Steven S, Tokatlidis K, Tuncay E, Turan B, Ursini F, Vacek J, Vajnerova O, Valentová K, Van Breusegem F, Varisli L, Veal EA, Yalçın AS, Yelisyeyeva O, Žarković N, Zatloukalová M, Zielonka J, Touyz RM, Papapetropoulos A, Grune T, Lamas S, Schmidt HHHW, Di Lisa F, Daiber A. European contribution to the study of ROS: A summary of the findings and prospects for the future from the COST action BM1203 (EU-ROS). Redox Biol 2017; 13:94-162. [PMID: 28577489 PMCID: PMC5458069 DOI: 10.1016/j.redox.2017.05.007] [Citation(s) in RCA: 202] [Impact Index Per Article: 28.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2017] [Accepted: 05/08/2017] [Indexed: 12/12/2022] Open
Abstract
The European Cooperation in Science and Technology (COST) provides an ideal framework to establish multi-disciplinary research networks. COST Action BM1203 (EU-ROS) represents a consortium of researchers from different disciplines who are dedicated to providing new insights and tools for better understanding redox biology and medicine and, in the long run, to finding new therapeutic strategies to target dysregulated redox processes in various diseases. This report highlights the major achievements of EU-ROS as well as research updates and new perspectives arising from its members. The EU-ROS consortium comprised more than 140 active members who worked together for four years on the topics briefly described below. The formation of reactive oxygen and nitrogen species (RONS) is an established hallmark of our aerobic environment and metabolism but RONS also act as messengers via redox regulation of essential cellular processes. The fact that many diseases have been found to be associated with oxidative stress established the theory of oxidative stress as a trigger of diseases that can be corrected by antioxidant therapy. However, while experimental studies support this thesis, clinical studies still generate controversial results, due to complex pathophysiology of oxidative stress in humans. For future improvement of antioxidant therapy and better understanding of redox-associated disease progression detailed knowledge on the sources and targets of RONS formation and discrimination of their detrimental or beneficial roles is required. In order to advance this important area of biology and medicine, highly synergistic approaches combining a variety of diverse and contrasting disciplines are needed.
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Affiliation(s)
- Javier Egea
- Institute Teofilo Hernando, Department of Pharmacology, School of Medicine. Univerisdad Autonoma de Madrid, Spain
| | - Isabel Fabregat
- Bellvitge Biomedical Research Institute (IDIBELL) and University of Barcelona (UB), L'Hospitalet, Barcelona, Spain
| | - Yves M Frapart
- LCBPT, UMR 8601 CNRS - Paris Descartes University, Sorbonne Paris Cité, Paris, France
| | | | - Agnes Görlach
- Experimental and Molecular Pediatric Cardiology, German Heart Center Munich at the Technical University Munich, Munich, Germany; DZHK (German Centre for Cardiovascular Research), partner site Munich Heart Alliance, Munich, Germany
| | - Thomas Kietzmann
- Faculty of Biochemistry and Molecular Medicine, and Biocenter Oulu, University of Oulu, Oulu, Finland
| | - Kateryna Kubaichuk
- Faculty of Biochemistry and Molecular Medicine, and Biocenter Oulu, University of Oulu, Oulu, Finland
| | - Ulla G Knaus
- Conway Institute, School of Medicine, University College Dublin, Dublin, Ireland
| | - Manuela G Lopez
- Institute Teofilo Hernando, Department of Pharmacology, School of Medicine. Univerisdad Autonoma de Madrid, Spain
| | | | - Andreas Petry
- Experimental and Molecular Pediatric Cardiology, German Heart Center Munich at the Technical University Munich, Munich, Germany
| | - Rainer Schulz
- Institute of Physiology, JLU Giessen, Giessen, Germany
| | - Jose Vina
- Department of Physiology, University of Valencia, Spain
| | - Paul Winyard
- University of Exeter Medical School, St Luke's Campus, Exeter EX1 2LU, UK
| | - Kahina Abbas
- LCBPT, UMR 8601 CNRS - Paris Descartes University, Sorbonne Paris Cité, Paris, France
| | - Opeyemi S Ademowo
- Life & Health Sciences and Aston Research Centre for Healthy Ageing, Aston University, Aston Triangle, Birmingham B4 7ET, UK
| | - Catarina B Afonso
- School of Life & Health Sciences, Aston University, Aston Triangle, Birmingham B47ET, UK
| | - Ioanna Andreadou
- Laboratory of Pharmacology, Faculty of Pharmacy, National and Kapodistrian University of Athens, Greece
| | - Haike Antelmann
- Institute for Biology-Microbiology, Freie Universität Berlin, Berlin, Germany
| | - Fernando Antunes
- Departamento de Química e Bioquímica and Centro de Química e Bioquímica, Faculdade de Ciências, Portugal
| | - Mutay Aslan
- Department of Medical Biochemistry, Faculty of Medicine, Akdeniz University, Antalya, Turkey
| | - Markus M Bachschmid
- Vascular Biology Section & Whitaker Cardiovascular Institute, Boston University School of Medicine, Boston, MA, USA
| | - Rui M Barbosa
- Center for Neurosciences and Cell Biology, University of Coimbra and Faculty of Pharmacy, University of Coimbra, Coimbra, Portugal
| | - Vsevolod Belousov
- Molecular technologies laboratory, Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Miklukho-Maklaya 16/10, Moscow 117997, Russia
| | - Carsten Berndt
- Department of Neurology, Medical Faculty, Heinrich-Heine University, Düsseldorf, Germany
| | - David Bernlohr
- Department of Biochemistry, Molecular Biology and Biophysics, University of Minnesota - Twin Cities, USA
| | - Esther Bertrán
- Bellvitge Biomedical Research Institute (IDIBELL) and University of Barcelona (UB), L'Hospitalet, Barcelona, Spain
| | | | - Serge P Bottari
- GETI, Institute for Advanced Biosciences, INSERM U1029, CNRS UMR 5309, Grenoble-Alpes University and Radio-analysis Laboratory, CHU de Grenoble, Grenoble, France
| | - Paula M Brito
- Research Institute for Medicines (iMed.ULisboa), Faculty of Pharmacy, Universidade de Lisboa, Lisboa, Portugal; Faculdade de Ciências da Saúde, Universidade da Beira Interior, Covilhã, Portugal
| | - Guia Carrara
- Department of Pathology, University of Cambridge, Cambridge, UK
| | - Ana I Casas
- Department of Pharmacology & Personalized Medicine, Cardiovascular Research Institute Maastricht (CARIM), Maastricht University, Maastricht, The Netherlands
| | - Afroditi Chatzi
- Institute of Molecular Cell and Systems Biology, College of Medical Veterinary and Life Sciences, University of Glasgow, University Avenue, Glasgow, UK
| | - Niki Chondrogianni
- National Hellenic Research Foundation, Institute of Biology, Medicinal Chemistry and Biotechnology, 48 Vas. Constantinou Ave., 116 35 Athens, Greece
| | - Marcus Conrad
- Helmholtz Center Munich, Institute of Developmental Genetics, Neuherberg, Germany
| | - Marcus S Cooke
- Oxidative Stress Group, Dept. Environmental & Occupational Health, Florida International University, Miami, FL 33199, USA
| | - João G Costa
- Research Institute for Medicines (iMed.ULisboa), Faculty of Pharmacy, Universidade de Lisboa, Lisboa, Portugal; CBIOS, Universidade Lusófona Research Center for Biosciences & Health Technologies, Lisboa, Portugal
| | - Antonio Cuadrado
- Instituto de Investigaciones Biomédicas "Alberto Sols" UAM-CSIC, Instituto de Investigación Sanitaria La Paz (IdiPaz), Department of Biochemistry, Faculty of Medicine, Autonomous University of Madrid. Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBERNED), Madrid, Spain
| | - Pham My-Chan Dang
- Université Paris Diderot, Sorbonne Paris Cité, INSERM-U1149, CNRS-ERL8252, Centre de Recherche sur l'Inflammation, Laboratoire d'Excellence Inflamex, Faculté de Médecine Xavier Bichat, Paris, France
| | - Barbara De Smet
- Department of Plant Systems Biology, VIB, 9052 Ghent, Belgium; Structural Biology Research Center, VIB, 1050 Brussels, Belgium; Department of Biomedical Sciences and CNR Institute of Neuroscience, University of Padova, Padova, Italy; Pharmahungary Group, Szeged, Hungary
| | - Bilge Debelec-Butuner
- Department of Pharmaceutical Biotechnology, Faculty of Pharmacy, Ege University, Bornova, Izmir 35100, Turkey
| | - Irundika H K Dias
- Life & Health Sciences and Aston Research Centre for Healthy Ageing, Aston University, Aston Triangle, Birmingham B4 7ET, UK
| | - Joe Dan Dunn
- Department of Biochemistry, Science II, University of Geneva, 30 quai Ernest-Ansermet, 1211 Geneva-4, Switzerland
| | - Amanda J Edson
- Department of Molecular Biology, University of Bergen, Bergen, Norway
| | - Mariam El Assar
- Fundación para la Investigación Biomédica del Hospital Universitario de Getafe, Getafe, Spain
| | - Jamel El-Benna
- Université Paris Diderot, Sorbonne Paris Cité, INSERM-U1149, CNRS-ERL8252, Centre de Recherche sur l'Inflammation, Laboratoire d'Excellence Inflamex, Faculté de Médecine Xavier Bichat, Paris, France
| | - Péter Ferdinandy
- Department of Pharmacology and Pharmacotherapy, Medical Faculty, Semmelweis University, Budapest, Hungary; Pharmahungary Group, Szeged, Hungary
| | - Ana S Fernandes
- CBIOS, Universidade Lusófona Research Center for Biosciences & Health Technologies, Lisboa, Portugal
| | - Kari E Fladmark
- Department of Molecular Biology, University of Bergen, Bergen, Norway
| | - Ulrich Förstermann
- Department of Pharmacology, Johannes Gutenberg University Medical Center, Mainz, Germany
| | - Rashid Giniatullin
- A.I. Virtanen Institute for Molecular Sciences, University of Eastern Finland, Kuopio, Finland
| | - Zoltán Giricz
- Department of Pharmacology and Pharmacotherapy, Medical Faculty, Semmelweis University, Budapest, Hungary; Pharmahungary Group, Szeged, Hungary
| | - Anikó Görbe
- Department of Pharmacology and Pharmacotherapy, Medical Faculty, Semmelweis University, Budapest, Hungary; Pharmahungary Group, Szeged, Hungary
| | - Helen Griffiths
- Life & Health Sciences and Aston Research Centre for Healthy Ageing, Aston University, Aston Triangle, Birmingham B4 7ET, UK; Faculty of Health and Medical Sciences, University of Surrey, Guildford GU2 7XH, UK
| | - Vaclav Hampl
- Department of Physiology, 2nd Faculty of Medicine, Charles University, Prague, Czech Republic
| | - Alina Hanf
- Molecular Cardiology, Center for Cardiology, Cardiology 1, University Medical Center Mainz, Mainz, Germany
| | - Jan Herget
- Department of Physiology, 2nd Faculty of Medicine, Charles University, Prague, Czech Republic
| | - Pablo Hernansanz-Agustín
- Servicio de Immunología, Hospital Universitario de La Princesa, Instituto de Investigación Sanitaria Princesa (IIS-IP), Madrid, Spain; Departamento de Bioquímica, Facultad de Medicina, Universidad Autónoma de Madrid (UAM) and Instituto de Investigaciones Biomédicas Alberto Sols, Madrid, Spain
| | - Melanie Hillion
- Institute for Biology-Microbiology, Freie Universität Berlin, Berlin, Germany
| | - Jingjing Huang
- Department of Plant Systems Biology, VIB, 9052 Ghent, Belgium; Structural Biology Research Center, VIB, 1050 Brussels, Belgium; Department of Plant Biotechnology and Bioinformatics, Ghent University, 9052 Ghent, Belgium; Brussels Center for Redox Biology, Structural Biology Brussels, Vrije Universiteit Brussel, 1050 Brussels, Belgium
| | - Serap Ilikay
- Harran University, Arts and Science Faculty, Department of Biology, Cancer Biology Lab, Osmanbey Campus, Sanliurfa, Turkey
| | - Pidder Jansen-Dürr
- Institute for Biomedical Aging Research, University of Innsbruck, Innsbruck, Austria
| | - Vincent Jaquet
- Dept. of Pathology and Immunology, Centre Médical Universitaire, Geneva, Switzerland
| | - Jaap A Joles
- Department of Nephrology & Hypertension, University Medical Center Utrecht, The Netherlands
| | | | | | - Mahsa Karbaschi
- Oxidative Stress Group, Dept. Environmental & Occupational Health, Florida International University, Miami, FL 33199, USA
| | - Marina Kleanthous
- Molecular Genetics Thalassaemia Department, The Cyprus Institute of Neurology and Genetics, Nicosia, Cyprus
| | - Lars-Oliver Klotz
- Institute of Nutrition, Department of Nutrigenomics, Friedrich Schiller University, Jena, Germany
| | - Bato Korac
- University of Belgrade, Institute for Biological Research "Sinisa Stankovic" and Faculty of Biology, Belgrade, Serbia
| | - Kemal Sami Korkmaz
- Department of Bioengineering, Cancer Biology Laboratory, Faculty of Engineering, Ege University, Bornova, 35100 Izmir, Turkey
| | - Rafal Koziel
- Institute for Biomedical Aging Research, University of Innsbruck, Innsbruck, Austria
| | - Damir Kračun
- Experimental and Molecular Pediatric Cardiology, German Heart Center Munich at the Technical University Munich, Munich, Germany
| | - Karl-Heinz Krause
- Dept. of Pathology and Immunology, Centre Médical Universitaire, Geneva, Switzerland
| | - Vladimír Křen
- Institute of Microbiology, Laboratory of Biotransformation, Czech Academy of Sciences, Videnska 1083, CZ-142 20 Prague, Czech Republic
| | - Thomas Krieg
- Department of Medicine, University of Cambridge, UK
| | - João Laranjinha
- Center for Neurosciences and Cell Biology, University of Coimbra and Faculty of Pharmacy, University of Coimbra, Coimbra, Portugal
| | - Antigone Lazou
- School of Biology, Aristotle University of Thessaloniki, Thessaloniki 54124, Greece
| | - Huige Li
- Department of Pharmacology, Johannes Gutenberg University Medical Center, Mainz, Germany
| | - Antonio Martínez-Ruiz
- Servicio de Immunología, Hospital Universitario de La Princesa, Instituto de Investigación Sanitaria Princesa (IIS-IP), Madrid, Spain; Centro de Investigación Biomédica en Red de Enfermedades Cardiovasculares (CIBERCV), Madrid, Spain
| | - Reiko Matsui
- Vascular Biology Section & Whitaker Cardiovascular Institute, Boston University School of Medicine, Boston, MA, USA
| | - Gethin J McBean
- School of Biomolecular and Biomedical Science, Conway Institute, University College Dublin, Dublin, Ireland
| | - Stuart P Meredith
- School of Life & Health Sciences, Aston University, Aston Triangle, Birmingham B47ET, UK
| | - Joris Messens
- Structural Biology Research Center, VIB, 1050 Brussels, Belgium; Brussels Center for Redox Biology, Structural Biology Brussels, Vrije Universiteit Brussel, 1050 Brussels, Belgium
| | - Verónica Miguel
- Centro de Biología Molecular "Severo Ochoa" (CSIC-UAM), Madrid, Spain
| | - Yuliya Mikhed
- Molecular Cardiology, Center for Cardiology, Cardiology 1, University Medical Center Mainz, Mainz, Germany
| | - Irina Milisav
- University of Ljubljana, Faculty of Medicine, Institute of Pathophysiology and Faculty of Health Sciences, Ljubljana, Slovenia
| | - Lidija Milković
- Ruđer Bošković Institute, Division of Molecular Medicine, Zagreb, Croatia
| | - Antonio Miranda-Vizuete
- Instituto de Biomedicina de Sevilla, Hospital Universitario Virgen del Rocío/CSIC/Universidad de Sevilla, Sevilla, Spain
| | - Miloš Mojović
- University of Belgrade, Faculty of Physical Chemistry, Studentski trg 12-16, 11000 Belgrade, Serbia
| | - María Monsalve
- Instituto de Investigaciones Biomédicas "Alberto Sols" (CSIC-UAM), Madrid, Spain
| | - Pierre-Alexis Mouthuy
- Laboratory for Oxidative Stress, Rudjer Boskovic Institute, Bijenicka 54, 10000 Zagreb, Croatia
| | - John Mulvey
- Department of Medicine, University of Cambridge, UK
| | - Thomas Münzel
- Molecular Cardiology, Center for Cardiology, Cardiology 1, University Medical Center Mainz, Mainz, Germany
| | - Vladimir Muzykantov
- Department of Pharmacology, Center for Targeted Therapeutics & Translational Nanomedicine, ITMAT/CTSA Translational Research Center University of Pennsylvania The Perelman School of Medicine, Philadelphia, PA, USA
| | - Isabel T N Nguyen
- Department of Nephrology & Hypertension, University Medical Center Utrecht, The Netherlands
| | - Matthias Oelze
- Molecular Cardiology, Center for Cardiology, Cardiology 1, University Medical Center Mainz, Mainz, Germany
| | - Nuno G Oliveira
- Research Institute for Medicines (iMed.ULisboa), Faculty of Pharmacy, Universidade de Lisboa, Lisboa, Portugal
| | - Carlos M Palmeira
- Center for Neurosciences & Cell Biology of the University of Coimbra, Coimbra, Portugal; Department of Life Sciences of the Faculty of Sciences & Technology of the University of Coimbra, Coimbra, Portugal
| | - Nikoletta Papaevgeniou
- National Hellenic Research Foundation, Institute of Biology, Medicinal Chemistry and Biotechnology, 48 Vas. Constantinou Ave., 116 35 Athens, Greece
| | - Aleksandra Pavićević
- University of Belgrade, Faculty of Physical Chemistry, Studentski trg 12-16, 11000 Belgrade, Serbia
| | - Brandán Pedre
- Structural Biology Research Center, VIB, 1050 Brussels, Belgium; Brussels Center for Redox Biology, Structural Biology Brussels, Vrije Universiteit Brussel, 1050 Brussels, Belgium
| | - Fabienne Peyrot
- LCBPT, UMR 8601 CNRS - Paris Descartes University, Sorbonne Paris Cité, Paris, France; ESPE of Paris, Paris Sorbonne University, Paris, France
| | - Marios Phylactides
- Molecular Genetics Thalassaemia Department, The Cyprus Institute of Neurology and Genetics, Nicosia, Cyprus
| | | | - Andrew R Pitt
- School of Life & Health Sciences, Aston University, Aston Triangle, Birmingham B47ET, UK
| | - Henrik E Poulsen
- Laboratory of Clinical Pharmacology, Rigshospitalet, University Hospital Copenhagen, Denmark; Department of Clinical Pharmacology, Bispebjerg Frederiksberg Hospital, University Hospital Copenhagen, Denmark; Department Q7642, Rigshospitalet, Blegdamsvej 9, DK-2100 Copenhagen, Denmark
| | - Ignacio Prieto
- Instituto de Investigaciones Biomédicas "Alberto Sols" (CSIC-UAM), Madrid, Spain
| | - Maria Pia Rigobello
- Department of Biomedical Sciences, University of Padova, via Ugo Bassi 58/b, 35131 Padova, Italy
| | - Natalia Robledinos-Antón
- Instituto de Investigaciones Biomédicas "Alberto Sols" UAM-CSIC, Instituto de Investigación Sanitaria La Paz (IdiPaz), Department of Biochemistry, Faculty of Medicine, Autonomous University of Madrid. Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBERNED), Madrid, Spain
| | - Leocadio Rodríguez-Mañas
- Fundación para la Investigación Biomédica del Hospital Universitario de Getafe, Getafe, Spain; Servicio de Geriatría, Hospital Universitario de Getafe, Getafe, Spain
| | - Anabela P Rolo
- Center for Neurosciences & Cell Biology of the University of Coimbra, Coimbra, Portugal; Department of Life Sciences of the Faculty of Sciences & Technology of the University of Coimbra, Coimbra, Portugal
| | - Francis Rousset
- Dept. of Pathology and Immunology, Centre Médical Universitaire, Geneva, Switzerland
| | - Tatjana Ruskovska
- Faculty of Medical Sciences, Goce Delcev University, Stip, Republic of Macedonia
| | - Nuno Saraiva
- CBIOS, Universidade Lusófona Research Center for Biosciences & Health Technologies, Lisboa, Portugal
| | - Shlomo Sasson
- Institute for Drug Research, Section of Pharmacology, Diabetes Research Unit, The Hebrew University Faculty of Medicine, Jerusalem, Israel
| | - Katrin Schröder
- Institute for Cardiovascular Physiology, Goethe-University, Frankfurt, Germany; DZHK (German Centre for Cardiovascular Research), partner site Rhine-Main, Mainz, Germany
| | - Khrystyna Semen
- Danylo Halytsky Lviv National Medical University, Lviv, Ukraine
| | - Tamara Seredenina
- Dept. of Pathology and Immunology, Centre Médical Universitaire, Geneva, Switzerland
| | - Anastasia Shakirzyanova
- A.I. Virtanen Institute for Molecular Sciences, University of Eastern Finland, Kuopio, Finland
| | | | - Thierry Soldati
- Department of Biochemistry, Science II, University of Geneva, 30 quai Ernest-Ansermet, 1211 Geneva-4, Switzerland
| | - Bebiana C Sousa
- School of Life & Health Sciences, Aston University, Aston Triangle, Birmingham B47ET, UK
| | - Corinne M Spickett
- Life & Health Sciences and Aston Research Centre for Healthy Ageing, Aston University, Aston Triangle, Birmingham B4 7ET, UK
| | - Ana Stancic
- University of Belgrade, Institute for Biological Research "Sinisa Stankovic" and Faculty of Biology, Belgrade, Serbia
| | - Marie José Stasia
- Université Grenoble Alpes, CNRS, Grenoble INP, CHU Grenoble Alpes, TIMC-IMAG, F38000 Grenoble, France; CDiReC, Pôle Biologie, CHU de Grenoble, Grenoble, F-38043, France
| | - Holger Steinbrenner
- Institute of Nutrition, Department of Nutrigenomics, Friedrich Schiller University, Jena, Germany
| | - Višnja Stepanić
- Ruđer Bošković Institute, Division of Molecular Medicine, Zagreb, Croatia
| | - Sebastian Steven
- Molecular Cardiology, Center for Cardiology, Cardiology 1, University Medical Center Mainz, Mainz, Germany
| | - Kostas Tokatlidis
- Institute of Molecular Cell and Systems Biology, College of Medical Veterinary and Life Sciences, University of Glasgow, University Avenue, Glasgow, UK
| | - Erkan Tuncay
- Department of Biophysics, Ankara University, Faculty of Medicine, 06100 Ankara, Turkey
| | - Belma Turan
- Department of Biophysics, Ankara University, Faculty of Medicine, 06100 Ankara, Turkey
| | - Fulvio Ursini
- Department of Molecular Medicine, University of Padova, Padova, Italy
| | - Jan Vacek
- Department of Medical Chemistry and Biochemistry, Faculty of Medicine and Dentistry, Palacký University, Hnevotinska 3, Olomouc 77515, Czech Republic
| | - Olga Vajnerova
- Department of Physiology, 2nd Faculty of Medicine, Charles University, Prague, Czech Republic
| | - Kateřina Valentová
- Institute of Microbiology, Laboratory of Biotransformation, Czech Academy of Sciences, Videnska 1083, CZ-142 20 Prague, Czech Republic
| | - Frank Van Breusegem
- Department of Plant Systems Biology, VIB, 9052 Ghent, Belgium; Department of Plant Biotechnology and Bioinformatics, Ghent University, 9052 Ghent, Belgium
| | - Lokman Varisli
- Harran University, Arts and Science Faculty, Department of Biology, Cancer Biology Lab, Osmanbey Campus, Sanliurfa, Turkey
| | - Elizabeth A Veal
- Institute for Cell and Molecular Biosciences, and Institute for Ageing, Newcastle University, Framlington Place, Newcastle upon Tyne, UK
| | - A Suha Yalçın
- Department of Biochemistry, School of Medicine, Marmara University, İstanbul, Turkey
| | | | - Neven Žarković
- Laboratory for Oxidative Stress, Rudjer Boskovic Institute, Bijenicka 54, 10000 Zagreb, Croatia
| | - Martina Zatloukalová
- Department of Medical Chemistry and Biochemistry, Faculty of Medicine and Dentistry, Palacký University, Hnevotinska 3, Olomouc 77515, Czech Republic
| | | | - Rhian M Touyz
- Institute of Cardiovascular and Medical Sciences, University of Glasgow, UK
| | - Andreas Papapetropoulos
- Laboratoty of Pharmacology, Faculty of Pharmacy, National and Kapodistrian University of Athens, Greece
| | - Tilman Grune
- German Institute of Human Nutrition, Department of Toxicology, Arthur-Scheunert-Allee 114-116, 14558 Nuthetal, Germany
| | - Santiago Lamas
- Centro de Biología Molecular "Severo Ochoa" (CSIC-UAM), Madrid, Spain
| | - Harald H H W Schmidt
- Department of Pharmacology & Personalized Medicine, Cardiovascular Research Institute Maastricht (CARIM), Maastricht University, Maastricht, The Netherlands
| | - Fabio Di Lisa
- Department of Biomedical Sciences and CNR Institute of Neuroscience, University of Padova, Padova, Italy.
| | - Andreas Daiber
- Molecular Cardiology, Center for Cardiology, Cardiology 1, University Medical Center Mainz, Mainz, Germany; DZHK (German Centre for Cardiovascular Research), partner site Rhine-Main, Mainz, Germany.
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Wu D, Ryu JC, Chung YW, Lee D, Ryu JH, Yoon JH, Yoon J. A Far-Red-Emitting Fluorescence Probe for Sensitive and Selective Detection of Peroxynitrite in Live Cells and Tissues. Anal Chem 2017; 89:10924-10931. [DOI: 10.1021/acs.analchem.7b02707] [Citation(s) in RCA: 87] [Impact Index Per Article: 12.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Affiliation(s)
- Di Wu
- Department
of Chemistry and Nano Science, Ewha Womans University, Seoul, 120-750, Korea
| | | | | | - Dayoung Lee
- Department
of Chemistry and Nano Science, Ewha Womans University, Seoul, 120-750, Korea
| | | | | | - Juyoung Yoon
- Department
of Chemistry and Nano Science, Ewha Womans University, Seoul, 120-750, Korea
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Liu JR, Xu GM, Shi XM, Zhang GJ. Low temperature plasma promoting fibroblast proliferation by activating the NF-κB pathway and increasing cyclinD1 expression. Sci Rep 2017; 7:11698. [PMID: 28916796 PMCID: PMC5601921 DOI: 10.1038/s41598-017-12043-w] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2017] [Accepted: 09/01/2017] [Indexed: 11/23/2022] Open
Abstract
The potential applications of low temperature plasma (LTP) in wound healing have aroused the concern of many researchers. In this study, an argon atmospheric pressure plasma jet was applied to generate LTP for treatment of murine fibroblast cell (L929) cultured in vitro to investigate the effect of NF-κB pathway on fibroblast proliferation. The results showed that, compared with the control, L929 cells treated with plasma for less than 20 s had significant increases of proliferation; the productions of intracellular ROS, O2− and NO increased with prolongation of LTP treatment time; NF-κB pathway was activated by LTP in a proper dose range, and the expression of cyclinD1 in LTP-treated cells increased with the same trend as cell proliferation. After RNA interference to block p65 expression, with the same treatment time, RNAi-treated cells proliferated more slowly and expressed less cyclinD1 than normal cells. Furthermore, pretreatment with N-acetyl-L-cysteine (NAC) markedly prevented the plasma-induced changes in cells. In conclusion, the proliferation of L929 cells induced by LTP was closely related to NF-κB signaling pathway, which might be activated by appropriate level of intracellular ROS. These novel findings can provide some theoretical reference of LTP inducing cell proliferation and promoting wound healing.
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Affiliation(s)
- Jin-Ren Liu
- Environment and Genes Related to Diseases Key Laboratory of Education Ministry, School of Public Health, Xi'an Jiaotong University, Xi'an, Shaanxi, 710061, China
| | - Gui-Min Xu
- State Key Laboratory of Electrical Insulation and Power Equipment, School of Electrical Engineering, Xi'an Jiaotong University, Xi'an, Shaanxi, 710049, China
| | - Xing-Min Shi
- Environment and Genes Related to Diseases Key Laboratory of Education Ministry, School of Public Health, Xi'an Jiaotong University, Xi'an, Shaanxi, 710061, China.
| | - Guan-Jun Zhang
- State Key Laboratory of Electrical Insulation and Power Equipment, School of Electrical Engineering, Xi'an Jiaotong University, Xi'an, Shaanxi, 710049, China.
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Zielonka J, Sikora A, Hardy M, Ouari O, Vasquez-Vivar J, Cheng G, Lopez M, Kalyanaraman B. Mitochondria-Targeted Triphenylphosphonium-Based Compounds: Syntheses, Mechanisms of Action, and Therapeutic and Diagnostic Applications. Chem Rev 2017; 117:10043-10120. [PMID: 28654243 PMCID: PMC5611849 DOI: 10.1021/acs.chemrev.7b00042] [Citation(s) in RCA: 909] [Impact Index Per Article: 129.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Mitochondria are recognized as one of the most important targets for new drug design in cancer, cardiovascular, and neurological diseases. Currently, the most effective way to deliver drugs specifically to mitochondria is by covalent linking a lipophilic cation such as an alkyltriphenylphosphonium moiety to a pharmacophore of interest. Other delocalized lipophilic cations, such as rhodamine, natural and synthetic mitochondria-targeting peptides, and nanoparticle vehicles, have also been used for mitochondrial delivery of small molecules. Depending on the approach used, and the cell and mitochondrial membrane potentials, more than 1000-fold higher mitochondrial concentration can be achieved. Mitochondrial targeting has been developed to study mitochondrial physiology and dysfunction and the interaction between mitochondria and other subcellular organelles and for treatment of a variety of diseases such as neurodegeneration and cancer. In this Review, we discuss efforts to target small-molecule compounds to mitochondria for probing mitochondria function, as diagnostic tools and potential therapeutics. We describe the physicochemical basis for mitochondrial accumulation of lipophilic cations, synthetic chemistry strategies to target compounds to mitochondria, mitochondrial probes, and sensors, and examples of mitochondrial targeting of bioactive compounds. Finally, we review published attempts to apply mitochondria-targeted agents for the treatment of cancer and neurodegenerative diseases.
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Affiliation(s)
- Jacek Zielonka
- Department of Biophysics, Medical College of Wisconsin, 8701 Watertown Plank Road, Milwaukee, WI 53226, United States
- Free Radical Research Center, Medical College of Wisconsin, 8701 Watertown Plank Road, Milwaukee, WI 53226, United States
- Cancer Center, Medical College of Wisconsin, 8701 Watertown Plank Road, Milwaukee, WI 53226, United States
| | - Adam Sikora
- Institute of Applied Radiation Chemistry, Lodz University of Technology, ul. Wroblewskiego 15, 93-590 Lodz, Poland
| | - Micael Hardy
- Aix Marseille Univ, CNRS, ICR, UMR 7273, 13013 Marseille, France
| | - Olivier Ouari
- Aix Marseille Univ, CNRS, ICR, UMR 7273, 13013 Marseille, France
| | - Jeannette Vasquez-Vivar
- Department of Biophysics, Medical College of Wisconsin, 8701 Watertown Plank Road, Milwaukee, WI 53226, United States
- Free Radical Research Center, Medical College of Wisconsin, 8701 Watertown Plank Road, Milwaukee, WI 53226, United States
| | - Gang Cheng
- Department of Biophysics, Medical College of Wisconsin, 8701 Watertown Plank Road, Milwaukee, WI 53226, United States
- Free Radical Research Center, Medical College of Wisconsin, 8701 Watertown Plank Road, Milwaukee, WI 53226, United States
| | - Marcos Lopez
- Translational Biomedical Research Group, Biotechnology Laboratories, Cardiovascular Foundation of Colombia, Carrera 5a No. 6-33, Floridablanca, Santander, Colombia, 681003
- Graduate Program of Biomedical Sciences, Faculty of Health, Universidad del Valle, Calle 4B No. 36-00, Cali, Colombia, 760032
| | - Balaraman Kalyanaraman
- Department of Biophysics, Medical College of Wisconsin, 8701 Watertown Plank Road, Milwaukee, WI 53226, United States
- Free Radical Research Center, Medical College of Wisconsin, 8701 Watertown Plank Road, Milwaukee, WI 53226, United States
- Cancer Center, Medical College of Wisconsin, 8701 Watertown Plank Road, Milwaukee, WI 53226, United States
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Wenzel P, Kossmann S, Münzel T, Daiber A. Redox regulation of cardiovascular inflammation - Immunomodulatory function of mitochondrial and Nox-derived reactive oxygen and nitrogen species. Free Radic Biol Med 2017; 109:48-60. [PMID: 28108279 DOI: 10.1016/j.freeradbiomed.2017.01.027] [Citation(s) in RCA: 102] [Impact Index Per Article: 14.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/15/2016] [Accepted: 01/16/2017] [Indexed: 12/18/2022]
Abstract
Oxidative stress is a major hallmark of cardiovascular diseases although a causal link was so far not proven by large clinical trials. However, there is a close association between oxidative stress and inflammation and increasing evidence for a causal role of (low-grade) inflammation for the onset and progression of cardiovascular diseases, which may serve as the missing link between oxidative stress and cardiovascular morbidity and mortality. With the present review we would like to highlight the multiple redox regulated pathways in inflammation, discuss the sources of reactive oxygen and nitrogen species that are of interest for these processes and finally discuss the importance of angiotensin II (AT-II) as a trigger of cardiovascular inflammation and the initiation and progression of cardiovascular diseases.
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Affiliation(s)
- Philip Wenzel
- Center for Cardiology, Cardiology 1, Medical Center of the Johannes Gutenberg University, 55131 Mainz, Germany; Center of Thrombosis and Hemostasis, Medical Center of the Johannes Gutenberg University, 55131 Mainz, Germany; Partner Site Rhine-Main, German Center for Cardiovascular Research (DZHK), Mainz, Germany
| | - Sabine Kossmann
- Center for Cardiology, Cardiology 1, Medical Center of the Johannes Gutenberg University, 55131 Mainz, Germany; Center of Thrombosis and Hemostasis, Medical Center of the Johannes Gutenberg University, 55131 Mainz, Germany
| | - Thomas Münzel
- Center for Cardiology, Cardiology 1, Medical Center of the Johannes Gutenberg University, 55131 Mainz, Germany; Center of Thrombosis and Hemostasis, Medical Center of the Johannes Gutenberg University, 55131 Mainz, Germany; Partner Site Rhine-Main, German Center for Cardiovascular Research (DZHK), Mainz, Germany
| | - Andreas Daiber
- Center for Cardiology, Cardiology 1, Medical Center of the Johannes Gutenberg University, 55131 Mainz, Germany; Partner Site Rhine-Main, German Center for Cardiovascular Research (DZHK), Mainz, Germany.
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45
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McBean GJ, López MG, Wallner FK. Redox-based therapeutics in neurodegenerative disease. Br J Pharmacol 2017; 174:1750-1770. [PMID: 27477685 PMCID: PMC5446580 DOI: 10.1111/bph.13551] [Citation(s) in RCA: 49] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2015] [Revised: 06/02/2016] [Accepted: 07/01/2016] [Indexed: 12/13/2022] Open
Abstract
This review describes recent developments in the search for effective therapeutic agents that target redox homeostasis in neurodegenerative disease. The disruption to thiol redox homeostasis in Alzheimer's disease, Parkinson's disease, amyotrophic lateral sclerosis and multiple sclerosis is discussed, together with the experimental strategies that are aimed at preventing, or at least minimizing, oxidative damage in these diseases. Particular attention is given to the potential of increasing antioxidant capacity by targeting the Nrf2 pathway, the development of inhibitors of NADPH oxidases that are likely candidates for clinical use, together with strategies to reduce nitrosative stress and mitochondrial dysfunction. We describe the shortcomings of compounds that hinder their progression to the clinic and evaluate likely avenues for future research. LINKED ARTICLES This article is part of a themed section on Redox Biology and Oxidative Stress in Health and Disease. To view the other articles in this section visit http://onlinelibrary.wiley.com/doi/10.1111/bph.v174.12/issuetoc.
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Affiliation(s)
- G J McBean
- School of Biomolecular and Biomedical Science, Conway InstituteUniversity College DublinDublinIreland
| | - M G López
- Instituto Teófilo Hernando for Drug Discovery, Department of Pharmacology, School of MedicineUniversidad Autónoma de MadridMadridSpain
| | - F K Wallner
- Redoxis ABSweden and University of SkövdeSkövdeSweden
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Kalyanaraman B, Cheng G, Hardy M, Ouari O, Sikora A, Zielonka J, Dwinell MB. Modified Metformin as a More Potent Anticancer Drug: Mitochondrial Inhibition, Redox Signaling, Antiproliferative Effects and Future EPR Studies. Cell Biochem Biophys 2017; 75:311-317. [PMID: 28429253 DOI: 10.1007/s12013-017-0796-3] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2017] [Accepted: 04/08/2017] [Indexed: 01/01/2023]
Abstract
Metformin, one of the most widely prescribed antidiabetic drugs in the world, is being repurposed as a potential drug in cancer treatment. Epidemiological studies suggest that metformin exerts anticancer effects in diabetic patients with pancreatic cancer. However, at typical antidiabetic doses the bioavailability of metformin is presumably too low to exert antitumor effects. Thus, more potent analogs of metformin are needed in order to increase its anticancer efficacy. To this end, a new class of mitochondria-targeted metformin analogs (or mito-metformins) containing a positively-charged lipophilic triphenylphosphonium group was synthesized and tested for their antitumor efficacy in pancreatic cancer cells. Results indicate that the lead compound, mito-metformin10, was nearly 1000-fold more potent than metformin in inhibiting mitochondrial complex I activity, inducing reactive oxygen species (superoxide and hydrogen peroxide) that stimulate redox signaling mechanisms, including the activation of adenosinemonophosphate kinase and inhibition of proliferation of pancreatic cancer cells. The potential use of the low-temperature electron paramagnetic resonance technique in assessing the role of mitochondrial complexes including complex I in tumor regression in response to metformin and mito-metformins in the in vivo setting is discussed.
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Affiliation(s)
- Balaraman Kalyanaraman
- Department of Biophysics and Free Radical Research Center, Medical College of Wisconsin, 8701 Watertown Plank Road, Milwaukee, WI, 53226, USA.
| | - Gang Cheng
- Department of Biophysics and Free Radical Research Center, Medical College of Wisconsin, 8701 Watertown Plank Road, Milwaukee, WI, 53226, USA
| | - Micael Hardy
- CNRS, Institut de Chimie Radicalaire (ICR), Aix-Marseille Univ, UMR 7273, Marseille, 13013, France
| | - Olivier Ouari
- CNRS, Institut de Chimie Radicalaire (ICR), Aix-Marseille Univ, UMR 7273, Marseille, 13013, France
| | - Adam Sikora
- Institute of Applied Radiation Chemistry Faculty of Chemistry, Lodz University of Technology, Zeromskiego 116, Lodz, 90-924, Poland
| | - Jacek Zielonka
- Department of Biophysics and Free Radical Research Center, Medical College of Wisconsin, 8701 Watertown Plank Road, Milwaukee, WI, 53226, USA
| | - Michael B Dwinell
- Department of Microbiology and Molecular Genetics, Medical College of Wisconsin, 8701 Watertown Plank Road, Milwaukee, WI, 53226, USA
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Kalyanaraman B, Cheng G, Hardy M, Ouari O, Sikora A, Zielonka J, Dwinell M. Mitochondria-targeted metformins: anti-tumour and redox signalling mechanisms. Interface Focus 2017; 7:20160109. [PMID: 28382202 DOI: 10.1098/rsfs.2016.0109] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Reports suggest that metformin exerts anti-cancer effects in diabetic individuals with pancreatic cancer. Thus, metformin is currently being repurposed as a potential drug in cancer treatment. Studies indicate that potent metformin analogues are required in cancer treatment because of the low bioavailability of metformin in humans at conventional antidiabetic doses. We proposed that improved mitochondrial targeting of metformin by attaching a positively charged lipophilic triphenylphosphonium group will result in a new class of mitochondria-targeted metformin analogues with significantly enhanced anti-tumour potential. Using this approach, we synthesized various mitochondria-targeted metformin analogues with different alkyl chain lengths. Results indicate that the antiproliferative effects increased with increasing alkyl chain lengths (100-fold to 1000-fold). The lead compound, mito-metformin10, potently inhibited mitochondrial respiration through inhibition of complex I, stimulation of superoxide and hydrogen peroxide formation and activation of AMPK. When used in combination with ionizing radiation, mito-metformin10 acted as a radiosensitizer of pancreatic cancer cells. Because of the 1000-fold-higher potency of mitochondria-targeted metformin10, therapeutically effective plasma concentrations likely can be achieved in cancer patients.
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Affiliation(s)
- Balaraman Kalyanaraman
- Department of Biophysics and Free Radical Research , Medical College of Wisconsin , Milwaukee, WI , USA
| | - Gang Cheng
- Department of Biophysics and Free Radical Research , Medical College of Wisconsin , Milwaukee, WI , USA
| | - Micael Hardy
- Aix Marseille Univ, CNRS, ICR, UMR 7273 , 13013 Marseille , France
| | - Olivier Ouari
- Aix Marseille Univ, CNRS, ICR, UMR 7273 , 13013 Marseille , France
| | - Adam Sikora
- Institute of Applied Radiation Chemistry , Lodz University of Technology , Zeromskiego 116, 90-924 Lodz , Poland
| | - Jacek Zielonka
- Department of Biophysics and Free Radical Research , Medical College of Wisconsin , Milwaukee, WI , USA
| | - Michael Dwinell
- Department of Microbiology and Molecular Genetics and Cancer Center , Medical College of Wisconsin , Milwaukee, WI , USA
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48
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Kalyanaraman B, Hardy M, Podsiadly R, Cheng G, Zielonka J. Recent developments in detection of superoxide radical anion and hydrogen peroxide: Opportunities, challenges, and implications in redox signaling. Arch Biochem Biophys 2017; 617:38-47. [PMID: 27590268 PMCID: PMC5318280 DOI: 10.1016/j.abb.2016.08.021] [Citation(s) in RCA: 80] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2016] [Revised: 08/26/2016] [Accepted: 08/29/2016] [Indexed: 12/19/2022]
Abstract
In this review, some of the recent developments in probes and assay techniques specific for superoxide (O2-) and hydrogen peroxide (H2O2) are discussed. Over the last decade, significant progress has been made in O2- and H2O2 detection due to syntheses of new redox probes, better understanding of their chemistry, and development of specific and sensitive assays. For superoxide detection, hydroethidine (HE) is the most suitable probe, as the product, 2-hydroxyethidium, is specific for O2-. In addition, HE-derived dimeric products are specific for one-electron oxidants. As red-fluorescent ethidium is always formed from HE intracellularly, chromatographic techniques are required for detecting 2-hydroxyethidium. HE analogs, Mito-SOX and hydropropidine, exhibit the same reaction chemistry with O2- and one-electron oxidants. Thus, mitochondrial superoxide can be unequivocally detected using HPLC-based methods and not by fluorescence microscopy. Aromatic boronate-based probes react quantitatively with H2O2, forming a phenolic product. However, peroxynitrite and hypochlorite react more rapidly with boronates, forming the same product. Using ROS-specific probes and HPLC assays, it is possible to screen chemical libraries to discover specific inhibitors of NADPH oxidases. We hope that rigorous detection of O2- and H2O2 in different cellular compartments will improve our understanding of their role in redox signaling.
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Affiliation(s)
- Balaraman Kalyanaraman
- Department of Biophysics and Free Radical Research Center, Medical College of Wisconsin, 8701 Watertown Plank Road, Milwaukee, WI 53226, USA.
| | - Micael Hardy
- Aix-Marseille Université, CNRS, ICR UMR 7273, 13397 Marseille, France
| | - Radoslaw Podsiadly
- Institute of Polymer and Dye Technology, Lodz University of Technology, Stefanowskiego 12/16, 90-924 Lodz, Poland
| | - Gang Cheng
- Department of Biophysics and Free Radical Research Center, Medical College of Wisconsin, 8701 Watertown Plank Road, Milwaukee, WI 53226, USA
| | - Jacek Zielonka
- Department of Biophysics and Free Radical Research Center, Medical College of Wisconsin, 8701 Watertown Plank Road, Milwaukee, WI 53226, USA
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49
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Zielonka J, Podsiadły R, Zielonka M, Hardy M, Kalyanaraman B. On the use of peroxy-caged luciferin (PCL-1) probe for bioluminescent detection of inflammatory oxidants in vitro and in vivo - Identification of reaction intermediates and oxidant-specific minor products. Free Radic Biol Med 2016; 99:32-42. [PMID: 27458121 PMCID: PMC5107150 DOI: 10.1016/j.freeradbiomed.2016.07.023] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/25/2016] [Revised: 06/24/2016] [Accepted: 07/21/2016] [Indexed: 12/14/2022]
Abstract
Peroxy-caged luciferin (PCL-1) probe was first used to image hydrogen peroxide in living systems (Van de Bittner et al., 2010 [9]). Recently this probe was shown to react with peroxynitrite more potently than with hydrogen peroxide (Sieracki et al., 2013 [11]) and was suggested to be a more suitable probe for detecting peroxynitrite under in vivo conditions. In this work, we investigated in detail the products formed from the reaction between PCL-1 and hydrogen peroxide, hypochlorite, and peroxynitrite. HPLC analysis showed that hydrogen peroxide reacts slowly with PCL-1, forming luciferin as the only product. Hypochlorite reaction with PCL-1 yielded significantly less luciferin, as hypochlorite oxidized luciferin to form a chlorinated luciferin. Reaction between PCL-1 and peroxynitrite consists of a major and minor pathway. The major pathway results in luciferin and the minor pathway produces a radical-mediated nitrated luciferin. Radical intermediate was characterized by spin trapping. We conclude that monitoring of chlorinated and nitrated products in addition to bioluminescence in vivo will help identify the nature of oxidant responsible for bioluminescence derived from PCL-1.
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Affiliation(s)
- Jacek Zielonka
- Department of Biophysics and Free Radical Research Center, Medical College of Wisconsin, Milwaukee, WI 53226, United States.
| | - Radosław Podsiadły
- Institute of Polymer and Dye Technology, Faculty of Chemistry, Lodz University of Technology, Stefanowskiego 12/16, 90-924 Lodz, Poland.
| | - Monika Zielonka
- Department of Biophysics and Free Radical Research Center, Medical College of Wisconsin, Milwaukee, WI 53226, United States.
| | - Micael Hardy
- Aix-Marseille Université, CNRS, ICR UMR 7273, 13397 Marseille, France.
| | - Balaraman Kalyanaraman
- Department of Biophysics and Free Radical Research Center, Medical College of Wisconsin, Milwaukee, WI 53226, United States.
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50
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Seredenina T, Nayernia Z, Sorce S, Maghzal GJ, Filippova A, Ling SC, Basset O, Plastre O, Daali Y, Rushing EJ, Giordana MT, Cleveland DW, Aguzzi A, Stocker R, Krause KH, Jaquet V. Evaluation of NADPH oxidases as drug targets in a mouse model of familial amyotrophic lateral sclerosis. Free Radic Biol Med 2016; 97:95-108. [PMID: 27212019 DOI: 10.1016/j.freeradbiomed.2016.05.016] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/11/2016] [Revised: 04/29/2016] [Accepted: 05/17/2016] [Indexed: 11/27/2022]
Abstract
Amyotrophic lateral sclerosis (ALS) is an incurable neurodegenerative disease characterized by progressive loss of motor neurons, gliosis, neuroinflammation and oxidative stress. The aim of this study was to evaluate the involvement of NADPH oxidases (NOX) in the oxidative damage and progression of ALS neuropathology. We examined the pattern of NOX expression in spinal cords of patients and mouse models of ALS and analyzed the impact of genetic deletion of the NOX1 and 2 isoforms as well as pharmacological NOX inhibition in the SOD1(G93A) ALS mouse model. A substantial (10-60 times) increase of NOX2 expression was detected in three etiologically different ALS mouse models while up-regulation of some other NOX isoforms was model-specific. In human spinal cord samples, high NOX2 expression was detected in microglia. In contrast to previous publications, survival of SOD1(G93A) mice was not modified upon breeding with constitutive NOX1 and NOX2 deficient mice. As genetic deficiency of a single NOX isoform is not necessarily predictive of a pharmacological intervention, we treated SOD1(G93A) mice with broad-spectrum NOX inhibitors perphenazine and thioridazine. Both compounds reached in vivo CNS concentrations compatible with NOX inhibition and thioridazine significantly decreased superoxide levels in the spinal cord of SOD1(G93A) mice in vivo. Yet, neither perphenazine nor thioridazine prolonged survival. Thioridazine, but not perphenazine, dampened the increase of microglia markers in SOD1(G93A) mice. Thioridazine induced an immediate and temporary enhancement of motor performance (rotarod) but its precise mode of action needs further investigation. Additional studies using specific NOX inhibitors will provide further evidence on the relevance of NOX as drug targets for ALS and other neurodegenerative disorders.
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Affiliation(s)
- Tamara Seredenina
- Department of Pathology and Immunology, Medical School, University of Geneva, Switzerland
| | - Zeynab Nayernia
- Department of Pathology and Immunology, Medical School, University of Geneva, Switzerland
| | - Silvia Sorce
- Institute of Neuropathology, University Hospital of Zurich, Zurich, Switzerland
| | - Ghassan J Maghzal
- Victor Chang Cardiac Research Institute, Vascular Biology Division, 405 Liverpool Street, Darlinghurst, NSW 2010, Australia; School of Medical Sciences, Faculty of Medicine, University of New South Wales, NSW 2052, Australia
| | - Aleksandra Filippova
- Department of Pathology and Immunology, Medical School, University of Geneva, Switzerland
| | - Shuo-Chien Ling
- Ludwig Institute for Cancer Research, University of California, San Diego, La Jolla, CA 92093, USA; Department of Cellular and Molecular Medicine, University of California, San Diego, La Jolla, CA 92093, USA; Department of Physiology, National University of Singapore, Singapore
| | - Olivier Basset
- Department of Pathology and Immunology, Medical School, University of Geneva, Switzerland
| | - Olivier Plastre
- Department of Pathology and Immunology, Medical School, University of Geneva, Switzerland
| | - Youssef Daali
- Division of Clinical Pharmacology and Toxicology, Geneva University Hospital, Geneva, Switzerland
| | - Elisabeth J Rushing
- Institute of Neuropathology, University Hospital of Zurich, Zurich, Switzerland
| | - Maria T Giordana
- Department of Neuroscience, Medical School of the University of Turin, Italy
| | - Don W Cleveland
- Ludwig Institute for Cancer Research, University of California, San Diego, La Jolla, CA 92093, USA; Department of Cellular and Molecular Medicine, University of California, San Diego, La Jolla, CA 92093, USA
| | - Adriano Aguzzi
- Institute of Neuropathology, University Hospital of Zurich, Zurich, Switzerland
| | - Roland Stocker
- Victor Chang Cardiac Research Institute, Vascular Biology Division, 405 Liverpool Street, Darlinghurst, NSW 2010, Australia; School of Medical Sciences, Faculty of Medicine, University of New South Wales, NSW 2052, Australia
| | - Karl-Heinz Krause
- Department of Pathology and Immunology, Medical School, University of Geneva, Switzerland; Department of Genetic and Laboratory Medicine, Geneva University Hospitals, Switzerland
| | - Vincent Jaquet
- Department of Pathology and Immunology, Medical School, University of Geneva, Switzerland.
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