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Møller P, Danielsen PH, Karottki DG, Jantzen K, Roursgaard M, Klingberg H, Jensen DM, Christophersen DV, Hemmingsen JG, Cao Y, Loft S. Oxidative stress and inflammation generated DNA damage by exposure to air pollution particles. MUTATION RESEARCH-REVIEWS IN MUTATION RESEARCH 2014; 762:133-66. [DOI: 10.1016/j.mrrev.2014.09.001] [Citation(s) in RCA: 181] [Impact Index Per Article: 18.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/15/2014] [Revised: 09/04/2014] [Accepted: 09/04/2014] [Indexed: 01/09/2023]
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Shvedova AA, Kisin ER, Murray AR, Mouithys-Mickalad A, Stadler K, Mason RP, Kadiiska M. ESR evidence for in vivo formation of free radicals in tissue of mice exposed to single-walled carbon nanotubes. Free Radic Biol Med 2014; 73:154-65. [PMID: 24863695 DOI: 10.1016/j.freeradbiomed.2014.05.010] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/02/2014] [Revised: 04/28/2014] [Accepted: 05/16/2014] [Indexed: 11/28/2022]
Abstract
Nanomaterials are being utilized in an increasing variety of manufactured goods. Because of their unique physicochemical, electrical, mechanical, and thermal properties, single-walled carbon nanotubes (SWCNTs) have found numerous applications in the electronics, aerospace, chemical, polymer, and pharmaceutical industries. Previously, we have reported that pharyngeal exposure of C57BL/6 mice to SWCNTs caused dose-dependent formation of granulomatous bronchial interstitial pneumonia, fibrosis, oxidative stress, acute inflammatory/cytokine responses, and a decrease in pulmonary function. In the current study, we used electron spin resonance (ESR) to directly assess whether exposure to respirable SWCNTs caused formation of free radicals in the lungs and in two distant organs, the heart and liver. Here we report that exposure to partially purified SWCNTs (HiPco technique, Carbon Nanotechnologies, Inc., Houston, TX, USA) resulted in the augmentation of oxidative stress as evidenced by ESR detection of α-(4-pyridyl-1-oxide)-N-tert-butylnitrone spin-trapped carbon-centered lipid-derived radicals recorded shortly after the treatment. This was accompanied by a significant depletion of antioxidants and elevated biomarkers of inflammation presented by recruitment of inflammatory cells and an increase in proinflammatory cytokines in the lungs, as well as development of multifocal granulomatous pneumonia, interstitial fibrosis, and suppressed pulmonary function. Moreover, pulmonary exposure to SWCNTs also caused the formation of carbon-centered lipid-derived radicals in the heart and liver at later time points (day 7 postexposure). Additionally, SWCNTs induced a significant accumulation of oxidatively modified proteins, increase in lipid peroxidation products, depletion of antioxidants, and inflammatory response in both the heart and the liver. Furthermore, the iron chelator deferoxamine noticeably reduced lung inflammation and oxidative stress, indicating an important role for metal-catalyzed species in lung injury caused by SWCNTs. Overall, we provide direct evidence that lipid-derived free radicals are a critical contributor to tissue damage induced by SWCNTs not only in the lungs, but also in distant organs.
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Affiliation(s)
- A A Shvedova
- Pathology and Physiology Research Branch, HELD, National Institute for Occupational Safety and Health, Morgantown, WV 26505, USA; Physiology and Pharmacology, West Virginia University, Morgantown, WV 26506, USA.
| | - E R Kisin
- Pathology and Physiology Research Branch, HELD, National Institute for Occupational Safety and Health, Morgantown, WV 26505, USA
| | - A R Murray
- Pathology and Physiology Research Branch, HELD, National Institute for Occupational Safety and Health, Morgantown, WV 26505, USA; Physiology and Pharmacology, West Virginia University, Morgantown, WV 26506, USA
| | | | - K Stadler
- National Institute of Environmental Health Science, Research Triangle Park, NC 27709, USA
| | - R P Mason
- National Institute of Environmental Health Science, Research Triangle Park, NC 27709, USA
| | - M Kadiiska
- National Institute of Environmental Health Science, Research Triangle Park, NC 27709, USA
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Cervini-Silva J, Gomez-Vidales V, Ramirez-Apan MT, Palacios E, Montoya A, Kaufhold S, Abidin Z, Theng BKG. Lipid peroxidation and cytotoxicity induced by respirable volcanic ash. JOURNAL OF HAZARDOUS MATERIALS 2014; 274:237-246. [PMID: 24793297 DOI: 10.1016/j.jhazmat.2014.04.015] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/09/2014] [Revised: 04/11/2014] [Accepted: 04/12/2014] [Indexed: 06/03/2023]
Abstract
This paper reports that the main component of respirable volcanic ash, allophane, induces lipid peroxidation (LP), the oxidative degradation of lipids in cell membranes, and cytotoxicity in murin monocyle/macrophage cells. Naturally-occurring allophane collected from New Zealand, Japan, and Ecuador was studied. The quantification of LP was conducted using the Thiobarbituric Acid Reactive Substances (TBARS) assay. The cytotoxic effect was determined by the 3-[4,5-dimethylthiazol-2-yl]-2,5-diphenyltetrazolium bromide colorimetric assay. Electron-Paramagnetic Resonance (EPR) determinations of naturally-occurring allophane confirmed the incorporation in the structure and clustering of structural Fe(3+), and nucleation and growth of small-sized Fe (oxyhydr)oxide or gibbsite. LP induced by allophane varied with time, and solid concentration and composition, reaching 6.7 ± 0.2 nmol TBARS mg prot(-1). LP was surface controlled but not restricted by structural or surface-bound Fe(3+), because redox processes induced by soluble components other than perferryl iron. The reactivity of Fe(3+) soluble species stemming from surface-bound Fe(3+) or small-sized Fe(3+) refractory minerals in allophane surpassed that of structural Fe(3+) located in tetrahedral or octahedral sites of phyllosilicates or bulk iron oxides. Desferrioxamine B mesylate salt (DFOB) or ethylenediaminetetraacetic acid (EDTA) inhibited LP. EDTA acted as a more effective inhibitor, explained by multiple electron transfer pathways. Registered cell-viability values were as low as 68.5 ± 6.7%.
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Affiliation(s)
- Javiera Cervini-Silva
- Departamento de Procesos y Tecnología, Universidad Autónoma Metropolitana Unidad Cuajimalpa, México City, Mexico; Earth Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, CA, USA.
| | - Virginia Gomez-Vidales
- Laboratorio de Resonancia Paramagnética Electrónica, Instituto de Química, Universidad Nacional Autónoma de México, Ciudad Universitaria, México City, Mexico
| | - María Teresa Ramirez-Apan
- Laboratorio de Pruebas Biológicas, Instituto de Química, Universidad Nacional Autónoma de México, Ciudad Universitaria, México City, Mexico
| | - Eduardo Palacios
- Dirección de Investigación y Posgrado, Instituto Mexicano del Petróleo, Mexico
| | - Ascención Montoya
- Dirección de Investigación y Posgrado, Instituto Mexicano del Petróleo, Mexico
| | - Stephan Kaufhold
- BGR Bundesansaltfür Geowissenschaften und Rohstoffe, Stilleweg 2, D-30655 Hannover, Germany
| | - Zeanal Abidin
- Applied Chemistry for Environmental Industry Laboratory, Faculty of Agriculture, Ehime University, 3-5-7 Tarumi, Matsuyama 790-8566, Japan; Department of Chemistry, Faculty of Science and Mathematics, Bogor Agriculture University, Kampus Darmaga, JL Meranti, Bogor West of Java, Indonesia
| | - Benny K G Theng
- Landcare Research, Private Bag 11052, Palmerston North 4442, New Zealand
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Potential implication of the chemical properties and bioactivity of nitrone spin traps for therapeutics. Future Med Chem 2012; 4:1171-207. [PMID: 22709256 DOI: 10.4155/fmc.12.74] [Citation(s) in RCA: 57] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Nitrone therapeutics has been employed in the treatment of oxidative stress-related diseases such as neurodegeneration, cardiovascular disease and cancer. The nitrone-based compound NXY-059, which is the first drug to reach clinical trials for the treatment of acute ischemic stroke, has provided promise for the development of more robust pharmacological agents. However, the specific mechanism of nitrone bioactivity remains unclear. In this review, we present a variety of nitrone chemistry and biological activity that could be implicated for the nitrone's pharmacological activity. The chemistries of spin trapping and spin adduct reveal insights on the possible roles of nitrones for altering cellular redox status through radical scavenging or nitric oxide donation, and their biological effects are presented. An interdisciplinary approach towards the development of novel synthetic antioxidants with improved pharmacological properties encompassing theoretical, synthetic, biochemical and in vitro/in vivo studies is covered.
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Lippmann M, Chen LC. Health effects of concentrated ambient air particulate matter (CAPs) and its components. Crit Rev Toxicol 2009; 39:865-913. [DOI: 10.3109/10408440903300080] [Citation(s) in RCA: 123] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
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Kibanova D, Nieto-Camacho A, Cervini-Silva J. Lipid peroxidation induced by expandable clay minerals. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2009; 43:7550-7555. [PMID: 19848175 DOI: 10.1021/es9007917] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
Small-sized environmental particles such as 2:1 phyllosilicates induce oxidative stress, a primary indicator of cell damage and toxicity. Herein, potential hazards of clay particle uptake are addressed. This paper reports that the content and distribution of structural Fe influence the ability of expandable clay minerals to induce lipid peroxidation (LP), a major indicator of oxidative stress, in biological matrices. Three smectite clays, hectorite (SHCa-1) and two nontronites (NAu-1) and (NAu-2) containing varying total content and coordination environment of structural Fe, were selected. Screening and monitoring of LP was conducted using a thiobarbituric acid reactive substances (TBARS) assay. The higher content of TBARS in nontronites than that in SHCa-1 suspensions was explained because structural Fe contributes to LP. The observed lack of correlation between TBARS content and the extent of Fe dissolution indicated that the formation of TBARS is surface controlled. Results showing a high TBARS content in SHCa-1 but not in nontronite supematant solutions was explained because the former contains distinct, soluble chemical component(s) that could (i) induce LP by its (their) own right and (ii) whose chemical affinity for organic ligands used as inhibitors is weak. Clays serve as stronger inductors than 2,2'-azobis(2-amidinopropane) dihydrochloride (AAPH) but are much weaker than FeSO4. The outcome of this work shows that LP is clay surface-controlled and dependent on clay structural composition.
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Affiliation(s)
- Daria Kibanova
- Facultad de Química, Universidad Nacional Autónoma de México, Coyoacan 04510, Mexico, DF
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Pastuszka JS. Emission of airborne fibers from mechanically impacted asbestos-cement sheets and concentration of fibrous aerosol in the home environment in Upper Silesia, Poland. JOURNAL OF HAZARDOUS MATERIALS 2009; 162:1171-1177. [PMID: 18692307 DOI: 10.1016/j.jhazmat.2008.06.045] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/13/2007] [Revised: 06/02/2008] [Accepted: 06/03/2008] [Indexed: 05/26/2023]
Abstract
The emission rate ((S)) of fibers released from asbestos-cement plates due to mechanical impact was determined experimentally. The emission rate has been defined as a number of fibers (F) emitted from a unit area (m(2)) due to the unit impact energy (J). For fiber longer than 5 microm the obtained surface emission factor for asbestos-cement slabs slightly increased with deteriorating surface, changing from 2.7 x 10(3) F/(m(2)J) for samples with a very good surface to 6.9 x 10(3) F/(m(2)J) for the sample with worn surface (in the SI system the emission rate unit should be (m(-2)J(-1))). The emission rate for short fibers (L < or = 5 microm) was little higher compared with emission of long fibers for all studied asbestos materials. The averaged emission rate for all studied samples was about 5000 and 6000 of long and short fibers, respectively, emitted per square meter (because of the impact energy equal to 1J). The dominating population of emitted fibers ranged from 2 to around 8 microm in length. The second part of this work constitutes the report on the concentration of airborne respirable fibers, and their length distribution in two different groups of homes in Upper Silesia, Poland. Mean concentration level of the respirable fibers, longer than 5 microm, was found to be 850 F/m(3) (according to the SI system the fiber concentration unit is (m(-3))) in the buildings covered with asbestos-cement sheets and 280 F/m(3) in the homes without asbestos-containing facades, located away from other asbestos sources. Although the laboratory and field measurements have been made by using the MIE Laser Fiber Monitor FM-7400 only, the obtained results indicate that the outdoor asbestos-cement building facades are significant sources of airborne fibers inside the dwellings in Upper Silesian towns.
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Affiliation(s)
- Jozef S Pastuszka
- The Silesian University of Technology, Division of Energy and Environmental Engineering, Department of Air Protection, 2 Akademicka St., 44-100 Gliwice, Poland.
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Reis A, Domingues MRM, Oliveira MM, Domingues P. Identification of free radicals by spin trapping with DEPMPO and MCPIO using tandem mass spectrometry. EUROPEAN JOURNAL OF MASS SPECTROMETRY (CHICHESTER, ENGLAND) 2009; 15:689-703. [PMID: 19940335 DOI: 10.1255/ejms.1026] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
This study evaluates the use of a pyrroline (DEPMPO) and an imidazole (MCPIO) spin trap for the detection of hydroxyl and biomolecule (a peptide and a phospholipid) free radical adducts by Electrospray Ionization Mass Spectrometry (ESI-MS). The hydroxyl and biomolecule free radical adducts were detected using a QTOF and a linear ion trap (LIT) mass spectrometers. In the presence of hydroxyl radical, the mass spectrum obtained for each of the spin traps, DEPMPO and MCPIO, showed the presence of ions that could be attributed to hydroxyl and peroxyl radicals. Further characterisation by tandem mass spectrometry (ESI-MS/MS) revealed also the presence of hydroxy-hydroxyl adducts. Based on the results here described, we show that DEPMPO is a better spin trap for free radicals trapping and detection by mass spectrometry mainly because adducts show increased signal intensity. The ESI-MS spectra obtained for DEPMPO and MCPIO in the presence of biomolecule radicals (peptide and phospholipid) show molecular ions of DEPMPO and MCPIO adducts, which were characterised by tandem mass spectrometry. Both carbon centered radicals and oxygen centered radicals were efficiently trapped by the two spin traps and analysis of QTOF-MS/MS mass spectra allowed the location of the radical position in either the peptide or in the phospholipid fatty acyl chain. However, the tandem mass spectra of MCPIO adducts were more informative than DEPMPO adducts. The LIT-MS/MS spectra only shows typical peptide and phospholipid fragmentation, which difficult the structural characterisation of the spin adduct. In this study, the DEPMPO and MCPIO adducts were identified either in the nitrone or in the hydroxylamine form, which are ESR silent forms. The results described here show that both spin traps coupled with detection by mass spectrometry are valuable tools for trapping radicals of biomolecules. Furthermore, the acquired data provide valuable information on the presence of adducts (hydroxyl and biomolecule) that are Electron Spin Resonance (ESR) silent. This is especially important considering the complexity of the radical species in biological environment and the presence of reducing compounds that convert the spin adducts to silent ESR forms.
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Affiliation(s)
- Ana Reis
- Mass Spectrometry Center, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal
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Chen LC, Lippmann M. Effects of Metals within Ambient Air Particulate Matter (PM) on Human Health. Inhal Toxicol 2009; 21:1-31. [DOI: 10.1080/08958370802105405] [Citation(s) in RCA: 245] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Nawrot T, Nemmar A, Nemery B. Update in environmental and occupational medicine 2005. Am J Respir Crit Care Med 2006; 173:948-52. [PMID: 16632634 DOI: 10.1164/rccm.2601010] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Affiliation(s)
- Tim Nawrot
- Eenheid voor Longtoxicologie Herestraat 49, O and N 706, B-3000 Leuven, Belgium
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Nakai K, Kadiiska MB, Jiang JJ, Stadler K, Mason RP. Free radical production requires both inducible nitric oxide synthase and xanthine oxidase in LPS-treated skin. Proc Natl Acad Sci U S A 2006; 103:4616-21. [PMID: 16537416 PMCID: PMC1450220 DOI: 10.1073/pnas.0510352103] [Citation(s) in RCA: 57] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2005] [Indexed: 11/18/2022] Open
Abstract
Free radical formation has been investigated in diverse experimental models of LPS-induced inflammation. Here, using electron spin resonance (ESR) and the spin trap alpha-(4-pyridyl-1-oxide)-N-tert-butylnitrone, we have detected an ESR spectrum of alpha-(4-pyridyl-1-oxide)-N-tert-butylnitrone radical adducts in the lipid extract of mouse skin treated with LPS for 6 h. The ESR spectrum was consistent with the trapping of lipid-derived radical adducts. In addition, a secondary radical-trapping technique using dimethyl sulfoxide (DMSO) demonstrated methyl radical formation, revealing the production of hydroxyl radical. Radical adduct formation was suppressed by aminoguanidine, N-(3-aminomethyl)benzylacetamidine (1400W), or allopurinol, suggesting a role for both inducible nitric oxide synthase (iNOS) and xanthine oxidase (XO) in free radical formation. The radical formation was also suppressed in iNOS knockout (iNOS(-/-)) mice, demonstrating the involvement of iNOS. NADPH oxidase was not required in the formation of these radical adducts because the ESR signal intensity was increased by LPS treatment in NADPH oxidase knockout (gp91(phox-/-)) mice as much as it was in the wild-type mouse. Nitric oxide (*NO) end products were increased in LPS-treated skin. As expected, the *NO end products were not suppressed by allopurinol but were by aminoguanidine. Interestingly, nitrotyrosine formation in LPS-treated skin was also suppressed by aminoguanidine and allopurinol independently. Pretreatment with the ferric iron chelator Desferal had no effect on free radical formation. Our results imply that both iNOS and XO, but neither NADPH oxidase nor ferric iron, work synergistically to form lipid radical and nitrotyrosine early in the skin inflammation caused by LPS.
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Affiliation(s)
- Kozo Nakai
- Laboratory of Pharmacology and Chemistry, National Institute of Environmental Health Sciences, National Institutes of Health, P.O. Box 12233, MD F0-01, Research Triangle Park, NC 27709
| | - Maria B. Kadiiska
- Laboratory of Pharmacology and Chemistry, National Institute of Environmental Health Sciences, National Institutes of Health, P.O. Box 12233, MD F0-01, Research Triangle Park, NC 27709
| | - Jin-Jie Jiang
- Laboratory of Pharmacology and Chemistry, National Institute of Environmental Health Sciences, National Institutes of Health, P.O. Box 12233, MD F0-01, Research Triangle Park, NC 27709
| | - Krisztian Stadler
- Laboratory of Pharmacology and Chemistry, National Institute of Environmental Health Sciences, National Institutes of Health, P.O. Box 12233, MD F0-01, Research Triangle Park, NC 27709
| | - Ronald P. Mason
- Laboratory of Pharmacology and Chemistry, National Institute of Environmental Health Sciences, National Institutes of Health, P.O. Box 12233, MD F0-01, Research Triangle Park, NC 27709
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