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Rothmann MH, Møller P, Essig YJ, Gren L, Malmborg VB, Tunér M, Pagels J, Krais AM, Roursgaard M. Genotoxicity by rapeseed methyl ester and hydrogenated vegetable oil combustion exhaust products in lung epithelial (A549) cells. Mutagenesis 2023; 38:238-249. [PMID: 37232551 DOI: 10.1093/mutage/gead016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2023] [Accepted: 05/25/2023] [Indexed: 05/27/2023] Open
Abstract
Biofuel is an attractive substitute for petrodiesel because of its lower environmental footprint. For instance, the polycyclic aromatic hydrocarbons (PAH) emission per fuel energy content is lower for rapeseed methyl ester (RME) than for petrodiesel. This study assesses genotoxicity by extractable organic matter (EOM) of exhaust particles from the combustion of petrodiesel, RME, and hydrogenated vegetable oil (HVO) in lung epithelial (A549) cells. Genotoxicity was assessed as DNA strand breaks by the alkaline comet assay. EOM from the combustion of petrodiesel and RME generated the same level of DNA strand breaks based on the equal concentration of total PAH (i.e. net increases of 0.13 [95% confidence interval (CI): 0.002, 0.25, and 0.12 [95% CI: 0.01, 0.24] lesions per million base pairs, respectively). In comparison, the positive control (etoposide) generated a much higher level of DNA strand breaks (i.e. 0.84, 95% CI: 0.72, 0.97) lesions per million base pairs. Relatively low concentrations of EOM from RME and HVO combustion particles (<116 ng/ml total PAH) did not cause DNA strand breaks in A549 cells, whereas benzo[a]pyrene and PAH-rich EOM from petrodiesel combusted using low oxygen inlet concentration were genotoxic. The genotoxicity was attributed to high molecular weight PAH isomers with 5-6 rings. In summary, the results show that EOM from the combustion of petrodiesel and RME generate the same level of DNA strand breaks on an equal total PAH basis. However, the genotoxic hazard of engine exhaust from on-road vehicles is lower for RME than petrodiesel because of lower PAH emission per fuel energy content.
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Affiliation(s)
- Monika Hezareh Rothmann
- Department of Public Health, Section of Environmental Health, University of Copenhagen, Øster Farimagsgade 5A, DK-1014 Copenhagen K, Denmark
| | - Peter Møller
- Department of Public Health, Section of Environmental Health, University of Copenhagen, Øster Farimagsgade 5A, DK-1014 Copenhagen K, Denmark
| | - Yona J Essig
- Division of Occupational and Environmental Medicine, Institute of Laboratory Medicine, Lund University, SE-22363 Lund, Sweden
| | - Louise Gren
- Ergonomics and Aerosol Technology, Lund University, SE-22100 Lund, Sweden
- NanoLund, Lund University, SE-22100 Lund, Sweden
| | - Vilhelm B Malmborg
- Ergonomics and Aerosol Technology, Lund University, SE-22100 Lund, Sweden
- NanoLund, Lund University, SE-22100 Lund, Sweden
| | - Martin Tunér
- Division of Combustion Engines, Lund University, SE-221 00 Lund, Sweden
| | - Joakim Pagels
- Ergonomics and Aerosol Technology, Lund University, SE-22100 Lund, Sweden
- NanoLund, Lund University, SE-22100 Lund, Sweden
| | - Annette M Krais
- Division of Occupational and Environmental Medicine, Institute of Laboratory Medicine, Lund University, SE-22363 Lund, Sweden
| | - Martin Roursgaard
- Department of Public Health, Section of Environmental Health, University of Copenhagen, Øster Farimagsgade 5A, DK-1014 Copenhagen K, Denmark
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Drventić I, Glumac M, Carev I, Kroflič A. Seasonality of Polyaromatic Hydrocarbons (PAHs) and Their Derivatives in PM 2.5 from Ljubljana, Combustion Aerosol Source Apportionment, and Cytotoxicity of Selected Nitrated Polyaromatic Hydrocarbons (NPAHs). TOXICS 2023; 11:518. [PMID: 37368618 DOI: 10.3390/toxics11060518] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/31/2023] [Revised: 05/29/2023] [Accepted: 06/01/2023] [Indexed: 06/29/2023]
Abstract
Airborne particulate matter (PM) is a vector of many toxic pollutants, including polyaromatic hydrocarbons (PAHs) and their derivatives. Especially harmful is the fine fraction (PM2.5), which penetrates deep into the lungs during inhalation and causes various diseases. Amongst PM2.5 components with toxic potential are nitrated PAHs (NPAHs), knowledge of which is still rudimentary. Three of the measured NPAHs (1-nitropyrene (1-nP), 9-nitroanthracene (9-nA), and 6-nitrochrysene (6-nC)) were detected in ambient PM2.5 from Ljubljana, Slovenia, along with thirteen non-nitrated PAHs. The highest concentrations of pollutants, which are closely linked with incomplete combustion, were observed in the cold part of the year, whereas the concentrations of NPAHs were roughly an order of magnitude lower than those of PAHs throughout the year. Further on, we have evaluated the toxicity of four NPAHs, including 6-nitrobenzo[a]pyrene (6-nBaP), to the human kidney cell line, HEK293T. The most potent was 1-nP (IC50 = 28.7 µM), followed by the other three NPAHs, whose IC50 was above 400 or 800 µM. According to our cytotoxicity assessment, atmospheric 1-nP is the most harmful NPAH among the investigated ones. Despite low airborne concentrations of NPAHs in ambient air, they are generally considered harmful to human health. Therefore, systematic toxicological assessment of NPAHs at different trophic levels, starting with cytotoxicity testing, is necessary in order to accurately evaluate their threat and adopt appropriate abatement strategies.
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Affiliation(s)
- Ivana Drventić
- Department of Analytical Chemistry, National Institute of Chemistry, Hajdrihova 19, 1000 Ljubljana, Slovenia
- Faculty of Chemistry and Chemical Technology, University of Ljubljana, Večna pot 113, 1000 Ljubljana, Slovenia
| | - Mateo Glumac
- Laboratory for Cancer Research, School of Medicine, University of Split, Šoltanska 2, 21000 Split, Croatia
| | - Ivana Carev
- NAOS Institute of Life Science, 355 rue Pierre-Simon Laplace, 13290 Aix-en-Provence, France
- Mediterranean Institute for Life Science, Meštrovićevo šetalište 45, 21000 Split, Croatia
- Faculty of Science, University of Split, Ruđera Boškovića 33, 21000 Split, Croatia
| | - Ana Kroflič
- Department of Catalysis and Chemical Reaction Engineering, National Institute of Chemistry, Hajdrihova 19, 1000 Ljubljana, Slovenia
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Landwehr KR, Mead-Hunter R, O'Leary RA, Kicic A, Mullins BJ, Larcombe AN. Respiratory Health Effects of In Vivo Sub-Chronic Diesel and Biodiesel Exhaust Exposure. Int J Mol Sci 2023; 24:ijms24065130. [PMID: 36982203 PMCID: PMC10049281 DOI: 10.3390/ijms24065130] [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: 02/16/2023] [Revised: 03/01/2023] [Accepted: 03/03/2023] [Indexed: 03/30/2023] Open
Abstract
Biodiesel, which can be made from a variety of natural oils, is currently promoted as a sustainable, healthier replacement for commercial mineral diesel despite little experimental data supporting this. The aim of our research was to investigate the health impacts of exposure to exhaust generated by the combustion of diesel and two different biodiesels. Male BALB/c mice (n = 24 per group) were exposed for 2 h/day for 8 days to diluted exhaust from a diesel engine running on ultra-low sulfur diesel (ULSD) or Tallow or Canola biodiesel, with room air exposures used as control. A variety of respiratory-related end-point measurements were assessed, including lung function, responsiveness to methacholine, airway inflammation and cytokine response, and airway morphometry. Exposure to Tallow biodiesel exhaust resulted in the most significant health impacts compared to Air controls, including increased airway hyperresponsiveness and airway inflammation. In contrast, exposure to Canola biodiesel exhaust resulted in fewer negative health effects. Exposure to ULSD resulted in health impacts between those of the two biodiesels. The health effects of biodiesel exhaust exposure vary depending on the feedstock used to make the fuel.
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Affiliation(s)
- Katherine R Landwehr
- Occupation, Environment and Safety, School of Population Health, Curtin University, Perth, WA 6845, Australia
- Respiratory Environmental Health, Wal-yan Respiratory Research Centre, Telethon Kids Institute, Perth Children's Hospital, Nedlands, Perth, WA 6009, Australia
| | - Ryan Mead-Hunter
- Occupation, Environment and Safety, School of Population Health, Curtin University, Perth, WA 6845, Australia
| | - Rebecca A O'Leary
- Department of Primary Industries and Regional Development, Perth, WA 6151, Australia
| | - Anthony Kicic
- Occupation, Environment and Safety, School of Population Health, Curtin University, Perth, WA 6845, Australia
- Respiratory Environmental Health, Wal-yan Respiratory Research Centre, Telethon Kids Institute, Perth Children's Hospital, Nedlands, Perth, WA 6009, Australia
- Department of Respiratory and Sleep Medicine, Perth Children's Hospital, Nedlands, Perth, WA 6009, Australia
- Centre for Cell Therapy and Regenerative Medicine, The University of Western Australia, Perth, WA 6009, Australia
| | - Benjamin J Mullins
- Occupation, Environment and Safety, School of Population Health, Curtin University, Perth, WA 6845, Australia
| | - Alexander N Larcombe
- Occupation, Environment and Safety, School of Population Health, Curtin University, Perth, WA 6845, Australia
- Respiratory Environmental Health, Wal-yan Respiratory Research Centre, Telethon Kids Institute, Perth Children's Hospital, Nedlands, Perth, WA 6009, Australia
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Landwehr KR, Hillas J, Mead-Hunter R, King A, O'Leary RA, Kicic A, Mullins BJ, Larcombe AN. Biodiesel feedstock determines exhaust toxicity in 20% biodiesel: 80% mineral diesel blends. CHEMOSPHERE 2023; 310:136873. [PMID: 36252896 DOI: 10.1016/j.chemosphere.2022.136873] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/27/2022] [Revised: 10/04/2022] [Accepted: 10/11/2022] [Indexed: 06/16/2023]
Abstract
To address climate change concerns, and reduce the carbon footprint caused by fossil fuel use, it is likely that blend ratios of renewable biodiesel with commercial mineral diesel fuel will steadily increase, resulting in biodiesel use becoming more widespread. Exhaust toxicity of unblended biodiesels changes depending on feedstock type, however the effect of feedstock on blended fuels is less well known. The aim of this study was to assess the impact of biodiesel feedstock on exhaust toxicity of 20% blended biodiesel fuels (B20). Primary human airway epithelial cells were exposed to exhaust diluted 1/15 with air from an engine running on conventional ultra-low sulfur diesel (ULSD) or 20% blends of soy, canola, waste cooking oil (WCO), tallow, palm or cottonseed biodiesel in diesel. Physico-chemical exhaust properties were compared between fuels and the post-exposure effect of exhaust on cellular viability and media release was assessed 24 h later. Exhaust properties changed significantly between all fuels with cottonseed B20 being the most different to both ULSD and its respective unblended biodiesel. Exposure to palm B20 resulted in significantly decreased cellular viability (96.3 ± 1.7%; p < 0.01) whereas exposure to soy B20 generated the greatest number of changes in mediator release (including IL-6, IL-8 and TNF-α, p < 0.05) when compared to air exposed controls, with palm B20 and tallow B20 closely following. In contrast, canola B20 and WCO B20 were the least toxic with only mediators G-CSF and TNF-α being significantly increased. Therefore, exposure to palm B20, soy B20 and tallow B20 were found to be the most toxic and exposure to canola B20 and WCO B20 the least. The top three most toxic and the bottom three least toxic B20 fuels are consistent with their unblended counterparts, suggesting that feedstock type greatly impacts exhaust toxicity, even when biodiesel only comprises 20% of the fuel.
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Affiliation(s)
- Katherine R Landwehr
- Occupation, Environment and Safety, School of Population Health, Curtin University, PO Box U1987, Perth, 6845, Western Australia, Australia; Respiratory Environmental Health, Wal-yan Respiratory Research Centre, Telethon Kids Institute, Perth Children's Hospital, Nedlands, Perth, 6009, Western Australia, Australia.
| | - Jessica Hillas
- Respiratory Environmental Health, Wal-yan Respiratory Research Centre, Telethon Kids Institute, Perth Children's Hospital, Nedlands, Perth, 6009, Western Australia, Australia
| | - Ryan Mead-Hunter
- Occupation, Environment and Safety, School of Population Health, Curtin University, PO Box U1987, Perth, 6845, Western Australia, Australia
| | - Andrew King
- Fluid Dynamics Research Group, School of Civil and Mechanical Engineering, Curtin University, Perth, Western Australia, Australia
| | - Rebecca A O'Leary
- Department of Primary Industries and Regional Development, Perth, 6151, Western Australia, Australia
| | - Anthony Kicic
- Occupation, Environment and Safety, School of Population Health, Curtin University, PO Box U1987, Perth, 6845, Western Australia, Australia; Respiratory Environmental Health, Wal-yan Respiratory Research Centre, Telethon Kids Institute, Perth Children's Hospital, Nedlands, Perth, 6009, Western Australia, Australia; Department of Respiratory and Sleep Medicine, Perth Children's Hospital, Nedlands, Perth, 6009, Western Australia, Australia; Centre for Cell Therapy and Regenerative Medicine, The University of Western Australia, Perth, 6009, Western Australia, Australia
| | - Benjamin J Mullins
- Occupation, Environment and Safety, School of Population Health, Curtin University, PO Box U1987, Perth, 6845, Western Australia, Australia
| | - Alexander N Larcombe
- Occupation, Environment and Safety, School of Population Health, Curtin University, PO Box U1987, Perth, 6845, Western Australia, Australia; Respiratory Environmental Health, Wal-yan Respiratory Research Centre, Telethon Kids Institute, Perth Children's Hospital, Nedlands, Perth, 6009, Western Australia, Australia
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5
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Landwehr KR, Hillas J, Mead-Hunter R, King A, O'Leary RA, Kicic A, Mullins BJ, Larcombe AN. Toxicity of different biodiesel exhausts in primary human airway epithelial cells grown at air-liquid interface. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 832:155016. [PMID: 35381248 DOI: 10.1016/j.scitotenv.2022.155016] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/28/2022] [Revised: 03/25/2022] [Accepted: 03/30/2022] [Indexed: 06/14/2023]
Abstract
Biodiesel is created through the transesterification of fats/oils and its usage is increasing worldwide as global warming concerns increase. Biodiesel fuel properties change depending on the feedstock used to create it. The aim of this study was to assess the different toxicological properties of biodiesel exhausts created from different feedstocks using a complex 3D air-liquid interface (ALI) model that mimics the human airway. Primary human airway epithelial cells were grown at ALI until full differentiation was achieved. Cells were then exposed to 1/20 diluted exhaust from an engine running on Diesel (ULSD), pure or 20% blended Canola biodiesel and pure or 20% blended Tallow biodiesel, or Air for control. Exhaust was analysed for various physio-chemical properties and 24-h after exposure, ALI cultures were assessed for permeability, protein release and mediator response. All measured exhaust components were within industry safety standards. ULSD contained the highest concentrations of various combustion gases. We found no differences in terms of particle characteristics for any of the tested exhausts, likely due to the high dilution used. Exposure to Tallow B100 and B20 induced increased permeability in the ALI culture and the greatest increase in mediator response in both the apical and basal compartments. In contrast, Canola B100 and B20 did not impact permeability and induced the smallest mediator response. All exhausts but Canola B20 induced increased protein release, indicating epithelial damage. Despite the concentrations of all exhausts used in this study meeting industry safety regulations, we found significant toxic effects. Tallow biodiesel was found to be the most toxic of the tested fuels and Canola the least, both for blended and pure biodiesel fuels. This suggests that the feedstock biodiesel is made from is crucial for the resulting health effects of exhaust exposure, even when not comprising the majority of fuel composition.
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Affiliation(s)
- Katherine R Landwehr
- Occupation, Environment and Safety, School of Population Health, Curtin University, PO Box U1987, Perth 6845, Western Australia, Australia; Respiratory Environmental Health, Wal-yan Respiratory Research Centre, Telethon Kids Institute, Perth Children's Hospital, Nedlands, Perth 6009, Western Australia, Australia.
| | - Jessica Hillas
- Respiratory Environmental Health, Wal-yan Respiratory Research Centre, Telethon Kids Institute, Perth Children's Hospital, Nedlands, Perth 6009, Western Australia, Australia
| | - Ryan Mead-Hunter
- Occupation, Environment and Safety, School of Population Health, Curtin University, PO Box U1987, Perth 6845, Western Australia, Australia
| | - Andrew King
- Fluid Dynamics Research Group, School of Civil and Mechanical Engineering, Curtin University, Perth, Western Australia, Australia
| | - Rebecca A O'Leary
- Department of Primary Industries and Regional Development, Perth 6151, Western Australia, Australia
| | - Anthony Kicic
- Occupation, Environment and Safety, School of Population Health, Curtin University, PO Box U1987, Perth 6845, Western Australia, Australia; Respiratory Environmental Health, Wal-yan Respiratory Research Centre, Telethon Kids Institute, Perth Children's Hospital, Nedlands, Perth 6009, Western Australia, Australia; Department of Respiratory and Sleep Medicine, Perth Children's Hospital, Nedlands, Perth 6009, Western Australia, Australia; Centre for Cell Therapy and Regenerative Medicine, The University of Western Australia, Perth 6009, Western Australia, Australia
| | - Benjamin J Mullins
- Occupation, Environment and Safety, School of Population Health, Curtin University, PO Box U1987, Perth 6845, Western Australia, Australia
| | - Alexander N Larcombe
- Occupation, Environment and Safety, School of Population Health, Curtin University, PO Box U1987, Perth 6845, Western Australia, Australia; Respiratory Environmental Health, Wal-yan Respiratory Research Centre, Telethon Kids Institute, Perth Children's Hospital, Nedlands, Perth 6009, Western Australia, Australia
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Bai X, Chen H, Oliver BG. The health effects of traffic-related air pollution: A review focused the health effects of going green. CHEMOSPHERE 2022; 289:133082. [PMID: 34843836 DOI: 10.1016/j.chemosphere.2021.133082] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/15/2021] [Revised: 11/03/2021] [Accepted: 11/24/2021] [Indexed: 06/13/2023]
Abstract
Traffic-related air pollution (TRAP) is global concern due to both the ecological damage of TRAP and the adverse health effects in Humans. Several strategies to reduce TRAP have been implemented, including the use of sustainable fuels, after-treatment technologies, and new energy vehicles. Such approaches can reduce the exhaust of particulate matter, adsorbed chemicals and a range of gases, but from a health perspective these approaches are not always successful. This review aims to discuss the approaches taken, and to then describe the likely health effects of these changes.
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Affiliation(s)
- Xu Bai
- School of Life Sciences, Faculty of Science, University of Technology Sydney, Sydney, Australia
| | - Hui Chen
- School of Life Sciences, Faculty of Science, University of Technology Sydney, Sydney, Australia
| | - Brian G Oliver
- School of Life Sciences, Faculty of Science, University of Technology Sydney, Sydney, Australia; Respiratory Cellular and Molecular Biology, Woolcock Institute of Medical Research, Sydney, NSW, 2037, Australia.
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Cao X, Padoan S, Binder S, Bauer S, Orasche J, Rus CM, Mudan A, Huber A, Kuhn E, Oeder S, Lintelmann J, Adam T, Di Bucchianico S, Zimmermann R. A comparative study of persistent DNA oxidation and chromosomal instability induced in vitro by oxidizers and reference airborne particles. MUTATION RESEARCH. GENETIC TOXICOLOGY AND ENVIRONMENTAL MUTAGENESIS 2022; 874-875:503446. [PMID: 35151426 DOI: 10.1016/j.mrgentox.2022.503446] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/20/2021] [Revised: 11/29/2021] [Accepted: 01/10/2022] [Indexed: 06/14/2023]
Abstract
Adverse health effects driven by airborne particulate matter (PM) are mainly associated with reactive oxygen species formation, pro-inflammatory effects, and genome instability. Therefore, a better understanding of the underlying mechanisms is needed to evaluate health risks caused by exposure to PM. The aim of this study was to compare the genotoxic effects of two oxidizing agents (menadione and 3-chloro-1,2-propanediol) with three different reference PM (fine dust ERM-CZ100, urban dust SRM1649, and diesel PM SRM2975) on monocytic THP-1 and alveolar epithelial A549 cells. We assessed DNA oxidation by measuring the oxidized derivative 8-hydroxy-2'-deoxyguanosine (8-OHdG) following short and long exposure times to evaluate the persistency of oxidative DNA damage. Cytokinesis-block micronucleus cytome assay was performed to assess chromosomal instability, cytostasis, and cytotoxicity. Particles were characterized by inductively coupled plasma mass spectrometry in terms of selected elemental content, the release of ions in cell medium and the cellular uptake of metals. PM deposition and cellular dose were investigated by a spectrophotometric method on adherent A549 cells. The level of lipid peroxidation was evaluated via malondialdehyde concentration measurement. Despite differences in the tested concentrations, deposition efficiency, and lipid peroxidation levels, all reference PM samples caused oxidative DNA damage to a similar extent as the two oxidizers in terms of magnitude but with different oxidative DNA damage persistence. Diesel SRM2975 were more effective in inducing chromosomal instability with respect to fine and urban dust highlighting the role of polycyclic aromatic hydrocarbons derivatives on chromosomal instability. The persistence of 8-OHdG lesions strongly correlated with different types of chromosomal damage and revealed distinguishing sensitivity of cell types as well as specific features of particles versus oxidizing agent effects. In conclusion, this study revealed that an interplay between DNA oxidation persistence and chromosomal damage is driving particulate matter-induced genome instability.
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Affiliation(s)
- Xin Cao
- Joint Mass Spectrometry Center, Comprehensive Molecular Analytics, Helmholtz Zentrum München, Neuherberg, Germany; Joint Mass Spectrometry Center at Analytical Chemistry, Institute of Chemistry, University of Rostock, Rostock, Germany
| | - Sara Padoan
- Joint Mass Spectrometry Center, Comprehensive Molecular Analytics, Helmholtz Zentrum München, Neuherberg, Germany; Institute of Chemistry and Environmental Engineering, University of the Bundeswehr Munich, Neubiberg, Germany
| | - Stephanie Binder
- Joint Mass Spectrometry Center, Comprehensive Molecular Analytics, Helmholtz Zentrum München, Neuherberg, Germany; Joint Mass Spectrometry Center at Analytical Chemistry, Institute of Chemistry, University of Rostock, Rostock, Germany
| | - Stefanie Bauer
- Joint Mass Spectrometry Center, Comprehensive Molecular Analytics, Helmholtz Zentrum München, Neuherberg, Germany
| | - Jürgen Orasche
- Joint Mass Spectrometry Center, Comprehensive Molecular Analytics, Helmholtz Zentrum München, Neuherberg, Germany
| | - Corina-Marcela Rus
- Joint Mass Spectrometry Center at Analytical Chemistry, Institute of Chemistry, University of Rostock, Rostock, Germany; Centogene GmbH, Rostock, Germany
| | - Ajit Mudan
- Institute of Chemistry and Environmental Engineering, University of the Bundeswehr Munich, Neubiberg, Germany
| | - Anja Huber
- Joint Mass Spectrometry Center, Comprehensive Molecular Analytics, Helmholtz Zentrum München, Neuherberg, Germany
| | - Evelyn Kuhn
- Joint Mass Spectrometry Center, Comprehensive Molecular Analytics, Helmholtz Zentrum München, Neuherberg, Germany
| | - Sebastian Oeder
- Joint Mass Spectrometry Center, Comprehensive Molecular Analytics, Helmholtz Zentrum München, Neuherberg, Germany
| | - Jutta Lintelmann
- Research Unit of Molecular Endocrinology and Metabolism, Helmholtz Zentrum München, Neuherberg, Germany
| | - Thomas Adam
- Joint Mass Spectrometry Center, Comprehensive Molecular Analytics, Helmholtz Zentrum München, Neuherberg, Germany; Institute of Chemistry and Environmental Engineering, University of the Bundeswehr Munich, Neubiberg, Germany
| | - Sebastiano Di Bucchianico
- Joint Mass Spectrometry Center, Comprehensive Molecular Analytics, Helmholtz Zentrum München, Neuherberg, Germany.
| | - Ralf Zimmermann
- Joint Mass Spectrometry Center, Comprehensive Molecular Analytics, Helmholtz Zentrum München, Neuherberg, Germany; Joint Mass Spectrometry Center at Analytical Chemistry, Institute of Chemistry, University of Rostock, Rostock, Germany
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Landwehr KR, Hillas J, Mead-Hunter R, Brooks P, King A, O'Leary RA, Kicic A, Mullins BJ, Larcombe AN. Fuel feedstock determines biodiesel exhaust toxicity in a human airway epithelial cell exposure model. JOURNAL OF HAZARDOUS MATERIALS 2021; 420:126637. [PMID: 34329109 DOI: 10.1016/j.jhazmat.2021.126637] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/19/2021] [Revised: 07/02/2021] [Accepted: 07/10/2021] [Indexed: 06/13/2023]
Abstract
BACKGROUND Biodiesel is promoted as a sustainable replacement for commercial diesel. Biodiesel fuel and exhaust properties change depending on the base feedstock oil/fat used during creation. The aims of this study were, for the first time, to compare the exhaust exposure health impacts of a wide range of biodiesels made from different feedstocks and relate these effects with the corresponding exhaust characteristics. METHOD Primary airway epithelial cells were exposed to diluted exhaust from an engine running on conventional diesel and biodiesel made from Soy, Canola, Waste Cooking Oil, Tallow, Palm and Cottonseed. Exhaust properties and cellular viability and mediator release were analysed post exposure. RESULTS The exhaust physico-chemistry of Tallow biodiesel was the most different to diesel as well as the most toxic, with exposure resulting in significantly decreased cellular viability (95.8 ± 6.5%) and increased release of several immune mediators including IL-6 (+223.11 ± 368.83 pg/mL) and IL-8 (+1516.17 ± 2908.79 pg/mL) above Air controls. In contrast Canola biodiesel was the least toxic with exposure only increasing TNF-α (4.91 ± 8.61). CONCLUSION This study, which investigated the toxic effects for the largest range of biodiesels, shows that exposure to different exhausts results in a spectrum of toxic effects in vitro when combusted under identical conditions.
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Affiliation(s)
- Katherine R Landwehr
- Occupation, Environment and Safety, School of Population Health, Curtin University, PO Box U1987, Perth 6845, Western Australia, Australia; Respiratory Environmental Health, Wal-yan Respiratory Research Centre, Telethon Kids Institute, Perth Children's Hospital, Nedlands, Perth 6009, Western Australia, Australia.
| | - Jessica Hillas
- Respiratory Environmental Health, Wal-yan Respiratory Research Centre, Telethon Kids Institute, Perth Children's Hospital, Nedlands, Perth 6009, Western Australia, Australia
| | - Ryan Mead-Hunter
- Occupation, Environment and Safety, School of Population Health, Curtin University, PO Box U1987, Perth 6845, Western Australia, Australia
| | - Peter Brooks
- School of Science, Technology and Engineering, University of the Sunshine Coast, Sippy Downs, Queensland, Australia
| | - Andrew King
- Fluid Dynamics Research Group, School of Civil and Mechanical Engineering, Curtin University, Perth, Western Australia, Australia
| | - Rebecca A O'Leary
- Department of Primary Industries and Regional Development, Perth 6000, Western Australia, Australia
| | - Anthony Kicic
- Occupation, Environment and Safety, School of Population Health, Curtin University, PO Box U1987, Perth 6845, Western Australia, Australia; Respiratory Environmental Health, Wal-yan Respiratory Research Centre, Telethon Kids Institute, Perth Children's Hospital, Nedlands, Perth 6009, Western Australia, Australia; Department of Respiratory and Sleep Medicine, Perth Children's Hospital, Nedlands, Perth 6009, Western Australia, Australia; Centre for Cell Therapy and Regenerative Medicine, The University of Western Australia, Perth 6009, Western Australia, Australia
| | - Benjamin J Mullins
- Occupation, Environment and Safety, School of Population Health, Curtin University, PO Box U1987, Perth 6845, Western Australia, Australia
| | - Alexander N Larcombe
- Occupation, Environment and Safety, School of Population Health, Curtin University, PO Box U1987, Perth 6845, Western Australia, Australia; Respiratory Environmental Health, Wal-yan Respiratory Research Centre, Telethon Kids Institute, Perth Children's Hospital, Nedlands, Perth 6009, Western Australia, Australia
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Testing Strategies of the In Vitro Micronucleus Assay for the Genotoxicity Assessment of Nanomaterials in BEAS-2B Cells. NANOMATERIALS 2021; 11:nano11081929. [PMID: 34443765 PMCID: PMC8399994 DOI: 10.3390/nano11081929] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/24/2021] [Revised: 07/23/2021] [Accepted: 07/25/2021] [Indexed: 12/16/2022]
Abstract
The evaluation of the frequency of micronuclei (MN) is a broadly utilised approach in in vitro toxicity testing. Nevertheless, the specific properties of nanomaterials (NMs) give rise to concerns regarding the optimal methodological variants of the MN assay. In bronchial epithelial cells (BEAS-2B), we tested the genotoxicity of five types of NMs (TiO2: NM101, NM103; SiO2: NM200; Ag: NM300K, NM302) using four variants of MN protocols, differing in the time of exposure and the application of cytochalasin-B combined with the simultaneous and delayed co-treatment with NMs. Using transmission electron microscopy, we evaluated the impact of cytochalasin-B on the transport of NMs into the cells. To assess the behaviour of NMs in a culture media for individual testing conditions, we used dynamic light scattering measurement. The presence of NMs in the cells, their intracellular aggregation and dispersion properties were comparable when tests with or without cytochalasin-B were performed. The genotoxic potential of various TiO2 and Ag particles differed (NM101 < NM103 and NM302 < NM300K, respectively). The application of cytochalasin-B tended to increase the percentage of aberrant cells. In conclusion, the comparison of the testing strategies revealed that the level of DNA damage induced by NMs is affected by the selected methodological approach. This fact should be considered in the interpretation of the results of genotoxicity tests.
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10
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Nieto Marín V, Echavarría Mazo LV, Londoño Berrio M, Orozco Jiménez LY, Estrada Vélez V, Isaza JP, Ortiz-Trujillo IC. Genotoxicity of organic material extracted from particulate matter of alternative fuels. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:17844-17852. [PMID: 33400118 DOI: 10.1007/s11356-020-10894-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/29/2020] [Accepted: 09/16/2020] [Indexed: 06/12/2023]
Abstract
Global demand for energy is rapidly increasing, and resources for the production of petroleum-based fuels are running out. For this, renewable fuels like biodiesel and hydrotreated vegetable oil biofuel are considered important alternatives to replace such fuels. In this study, we evaluated the in vitro genotoxicity effect on HepG2 cells of organic material extracted from particulate matter emissions of an engine fueled with conventional diesel or mixtures of diesel with 10% of biomass. The emissions were collected in two operational modes, 2410 rpm (slope simulation) and 1890 rpm (plane). Genotoxicity was evaluated through two methods, chromosomal aberration test and the alkaline comet assay. The former did not show any genotoxic effect, but the latter exhibited a statistically significant effect despite the operational mode of the engine and the concentration organic material extracted. In conclusion, regardless of the concentration of organic material extracted from particulate matter, the operational mode of the engine, or the fuel used, a significant damage of the DNA was found. In general, at the physicochemical level, a decrease in the amount of emissions of the used fuels is not directly related to a decrease in the genotoxicity potential.
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Affiliation(s)
- Valentina Nieto Marín
- Grupo de Investigación Biología de Sistemas, Facultad de Medicina, Universidad Pontificia Bolivariana, Circular 1ra 70-01, Campus Laureles, Medellin, Colombia
| | - Leidy Vanessa Echavarría Mazo
- Grupo de Investigación Biología de Sistemas, Facultad de Medicina, Universidad Pontificia Bolivariana, Circular 1ra 70-01, Campus Laureles, Medellin, Colombia
| | - Maritza Londoño Berrio
- Grupo de Investigación Biología de Sistemas, Facultad de Medicina, Universidad Pontificia Bolivariana, Circular 1ra 70-01, Campus Laureles, Medellin, Colombia
| | - Luz Yaneth Orozco Jiménez
- Grupo de Investigación Biología de Sistemas, Facultad de Medicina, Universidad Pontificia Bolivariana, Circular 1ra 70-01, Campus Laureles, Medellin, Colombia
| | - Verónica Estrada Vélez
- Grupo de Investigación Biología de Sistemas, Facultad de Medicina, Universidad Pontificia Bolivariana, Circular 1ra 70-01, Campus Laureles, Medellin, Colombia
| | - Juan Pablo Isaza
- Grupo de Investigación Biología de Sistemas, Facultad de Medicina, Universidad Pontificia Bolivariana, Circular 1ra 70-01, Campus Laureles, Medellin, Colombia
| | - Isabel Cristina Ortiz-Trujillo
- Grupo de Investigación Biología de Sistemas, Facultad de Medicina, Universidad Pontificia Bolivariana, Circular 1ra 70-01, Campus Laureles, Medellin, Colombia.
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11
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Determination of Genotoxicity Attributed to Diesel Exhaust Particles in Normal Human Embryonic Lung Cell (WI-38) Line. Biomolecules 2021; 11:biom11020291. [PMID: 33669250 PMCID: PMC7919825 DOI: 10.3390/biom11020291] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2021] [Revised: 02/11/2021] [Accepted: 02/12/2021] [Indexed: 12/16/2022] Open
Abstract
Several epidemiological studies concluded that inhalation of diesel exhaust particles (DEP) is associated with an increase in the relative risk of lung cancer. In vitro research evaluating the genetic damage and/or changes in gene expression have been attempted to explain the relationship between DEP exposure and carcinogenicity. However, to date, investigations have been largely confined to studies in immortalized or tumorigenic epithelial cell models. Few studies have investigated damage at the chromosomal level to DEP exposure in normal cell lines. Here, we present the genotoxic effects of DEP in normal cells (embryonic human lung fibroblasts) by conventional genotoxicity testing (micronuclei (MN) and comet assay). We show the differentially expressed genes and enriched pathways in DEP-exposed WI-38 cells using RNA sequencing data. We observed a significant increase in single-strand DNA breaks and the frequency of MN in DEP-exposed cells in a dose-dependent manner. The differentially expressed genes following DEP exposure were significantly enriched in the pathway for responding to xenobiotics and DNA damage. Taken together, these results show that DEP exposure induced DNA damage at the chromosomal level in normal human lung cells and provide information on the expression of genes associated with genotoxic stress.
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12
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Brózman O, Novák J, Bauer AK, Babica P. Airborne PAHs inhibit gap junctional intercellular communication and activate MAPKs in human bronchial epithelial cell line. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2020; 79:103422. [PMID: 32492535 PMCID: PMC7486243 DOI: 10.1016/j.etap.2020.103422] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/04/2020] [Revised: 05/08/2020] [Accepted: 05/20/2020] [Indexed: 06/11/2023]
Abstract
Inhalation exposures to polycyclic aromatic hydrocarbons (PAHs) have been associated with various adverse health effects, including chronic lung diseases and cancer. Using human bronchial epithelial cell line HBE1, we investigated the effects of structurally different PAHs on tissue homeostatic processes, namely gap junctional intercellular communication (GJIC) and MAPKs activity. Rapid (<1 h) and sustained (up to 24 h) inhibition of GJIC was induced by low/middle molecular weight (MW) PAHs, particularly by those with a bay- or bay-like region (1- and 9-methylanthracene, fluoranthene), but also by fluorene and pyrene. In contrast, linear low MW (anthracene, 2-methylanthracene) or higher MW (chrysene) PAHs did not affect GJIC. Fluoranthene, 1- and 9-methylanthracene induced strong and sustained activation of MAPK ERK1/2, whereas MAPK p38 was activated rather nonspecifically by all tested PAHs. Low/middle MW PAHs can disrupt tissue homeostasis in human airway epithelium via structure-dependent nongenotoxic mechanisms, which can contribute to their human health hazards.
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Affiliation(s)
- Ondřej Brózman
- RECETOX, Faculty of Science, Masaryk University, Brno 62500, Czech Republic.
| | - Jiří Novák
- RECETOX, Faculty of Science, Masaryk University, Brno 62500, Czech Republic.
| | - Alison K Bauer
- Department of Environmental and Occupational Health, University of Colorado, Anschutz Medical Center, Aurora, Colorado 80045, USA.
| | - Pavel Babica
- RECETOX, Faculty of Science, Masaryk University, Brno 62500, Czech Republic.
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13
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Møller P, Scholten RH, Roursgaard M, Krais AM. Inflammation, oxidative stress and genotoxicity responses to biodiesel emissions in cultured mammalian cells and animals. Crit Rev Toxicol 2020; 50:383-401. [PMID: 32543270 DOI: 10.1080/10408444.2020.1762541] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Biodiesel fuels are alternatives to petrodiesel, especially in the transport sector where they have lower carbon footprint. Notwithstanding the environmental benefit, biodiesel fuels may have other toxicological properties than petrodiesel. Particulate matter (PM) from petrodiesel causes cancer in the lung as a consequence of delivery of genotoxic polycyclic aromatic hydrocarbons, oxidative stress and inflammation. We have reviewed articles from 2002 to 2019 (50% of the articles since 2015) that have described toxicological effects in terms of genotoxicity, oxidative stress and inflammation of biodiesel exhaust exposure in humans, animals and cell cultures. The studies have assessed first generation biodiesel from different feedstock (e.g. rapeseed and soy), certain second generation fuels (e.g. waste oil), and hydrogenated vegetable oil. It is not possible to rank the potency of toxicological effects of specific biodiesel fuels. However, exposure to biodiesel exhaust causes oxidative stress, inflammation and genotoxicity in cell cultures. Three studies in animals have not indicated genotoxicity in lung tissue. The database on oxidative stress and inflammation in animal studies is larger (13 studies); ten studies have reported increased levels of oxidative stress biomarkers or inflammation, although the effects have been modest in most studies. The cell culture and animal studies have not consistently shown a different potency in effect between biodiesel and petrodiesel exhausts. Both increased and decreased potency have been reported, which might be due to differences in feedstock or combustion conditions. In conclusion, combustion products from biodiesel and petrodiesel fuel may evoke similar toxicological effects on genotoxicity, oxidative stress and inflammation.
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Affiliation(s)
- Peter Møller
- Department of Public Health, Section of Environmental Health, University of Copenhagen, Copenhagen K, Denmark
| | - Rebecca Harnung Scholten
- Department of Public Health, Section of Environmental Health, University of Copenhagen, Copenhagen K, Denmark
| | - Martin Roursgaard
- Department of Public Health, Section of Environmental Health, University of Copenhagen, Copenhagen K, Denmark
| | - Annette M Krais
- Division of Occupational and Environmental Medicine, Department of Laboratory Medicine, Lund University, Lund, Sweden
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14
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New Approach Methods to Evaluate Health Risks of Air Pollutants: Critical Design Considerations for In Vitro Exposure Testing. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2020; 17:ijerph17062124. [PMID: 32210027 PMCID: PMC7143849 DOI: 10.3390/ijerph17062124] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/14/2020] [Revised: 03/11/2020] [Accepted: 03/19/2020] [Indexed: 12/20/2022]
Abstract
Air pollution consists of highly variable and complex mixtures recognized as major contributors to morbidity and mortality worldwide. The vast number of chemicals, coupled with limitations surrounding epidemiological and animal studies, has necessitated the development of new approach methods (NAMs) to evaluate air pollution toxicity. These alternative approaches include in vitro (cell-based) models, wherein toxicity of test atmospheres can be evaluated with increased efficiency compared to in vivo studies. In vitro exposure systems have recently been developed with the goal of evaluating air pollutant-induced toxicity; though the specific design parameters implemented in these NAMs-based studies remain in flux. This review aims to outline important design parameters to consider when using in vitro methods to evaluate air pollutant toxicity, with the goal of providing increased accuracy, reproducibility, and effectiveness when incorporating in vitro data into human health evaluations. This review is unique in that experimental considerations and lessons learned are provided, as gathered from first-hand experience developing and testing in vitro models coupled to exposure systems. Reviewed design aspects include cell models, cell exposure conditions, exposure chambers, and toxicity endpoints. Strategies are also discussed to incorporate in vitro findings into the context of in vivo toxicity and overall risk assessment.
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15
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Panico A, Grassi T, Bagordo F, Idolo A, Serio F, Tumolo MR, De Giorgi M, Guido M, Tutino M, De Donno A. Micronucleus Frequency in Exfoliated Buccal Cells of Children Living in an Industrialized Area of Apulia (Italy). INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2020; 17:ijerph17041208. [PMID: 32069990 PMCID: PMC7068596 DOI: 10.3390/ijerph17041208] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/17/2019] [Revised: 02/05/2020] [Accepted: 02/11/2020] [Indexed: 12/11/2022]
Abstract
Micronuclei (MN) are biomarkers of early biological effect often used for detecting DNA damage in human population exposed to genotoxic agents. The aim of this study was to evaluate the frequency of MN in exfoliated buccal cells of children living in an industrialized (impacted) area compared with that found in children living in a control area without significant anthropogenic impacts. A total of 462 6–8-year-old children (206 in the impacted area, 256 in the control area) attending primary school were enrolled. A questionnaire was administered to the parents of the recruited children to obtain information about personal data, lifestyles, and food habits of their children. Atmospheric particulate fractions were collected near the involved schools to assess the level of environmental exposure of the children. The presence of MN was highlighted in 68.4% of children living in the impacted area with a mean MN frequency of 0.66‰ ± 0.61‰. MN positivity and frequency were significantly lower in the control area (37.1% and 0.27‰ ± 0.43‰, respectively). The frequency of MN was positively associated with quasi-ultrafine particulate matter (PM0.5), traffic near the home, and consuming barbecued food; while adherence to the Mediterranean diet and practicing sport were negatively associated.
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Affiliation(s)
- Alessandra Panico
- Department of Biological and Environmental Sciences and Technologies, University of Salento, 73100 Lecce, Italy; (A.P.); (T.G.); (A.I.); (F.S.); (M.D.G.); (M.G.); (A.D.D.)
| | - Tiziana Grassi
- Department of Biological and Environmental Sciences and Technologies, University of Salento, 73100 Lecce, Italy; (A.P.); (T.G.); (A.I.); (F.S.); (M.D.G.); (M.G.); (A.D.D.)
| | - Francesco Bagordo
- Department of Biological and Environmental Sciences and Technologies, University of Salento, 73100 Lecce, Italy; (A.P.); (T.G.); (A.I.); (F.S.); (M.D.G.); (M.G.); (A.D.D.)
- Correspondence: ; Tel.: +39-832-298-951
| | - Adele Idolo
- Department of Biological and Environmental Sciences and Technologies, University of Salento, 73100 Lecce, Italy; (A.P.); (T.G.); (A.I.); (F.S.); (M.D.G.); (M.G.); (A.D.D.)
| | - Francesca Serio
- Department of Biological and Environmental Sciences and Technologies, University of Salento, 73100 Lecce, Italy; (A.P.); (T.G.); (A.I.); (F.S.); (M.D.G.); (M.G.); (A.D.D.)
| | - Maria Rosaria Tumolo
- Institute for Research on Population and Social Policies, National Research Council (IRPPS-CNR), 72100 Brindisi, Italy;
- Institute of Clinical Physiology (CNR-IFC), 73100 Lecce, Italy
| | - Mattia De Giorgi
- Department of Biological and Environmental Sciences and Technologies, University of Salento, 73100 Lecce, Italy; (A.P.); (T.G.); (A.I.); (F.S.); (M.D.G.); (M.G.); (A.D.D.)
| | - Marcello Guido
- Department of Biological and Environmental Sciences and Technologies, University of Salento, 73100 Lecce, Italy; (A.P.); (T.G.); (A.I.); (F.S.); (M.D.G.); (M.G.); (A.D.D.)
| | - Maria Tutino
- Regional Agency for Environmental Protection (ARPA Puglia), 70126 Bari, Italy;
| | - Antonella De Donno
- Department of Biological and Environmental Sciences and Technologies, University of Salento, 73100 Lecce, Italy; (A.P.); (T.G.); (A.I.); (F.S.); (M.D.G.); (M.G.); (A.D.D.)
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16
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Rossner P, Cervena T, Vojtisek-Lom M, Vrbova K, Ambroz A, Novakova Z, Elzeinova F, Margaryan H, Beranek V, Pechout M, Macoun D, Klema J, Rossnerova A, Ciganek M, Topinka J. The Biological Effects of Complete Gasoline Engine Emissions Exposure in a 3D Human Airway Model (MucilAir TM) and in Human Bronchial Epithelial Cells (BEAS-2B). Int J Mol Sci 2019; 20:E5710. [PMID: 31739528 PMCID: PMC6888625 DOI: 10.3390/ijms20225710] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2019] [Revised: 10/30/2019] [Accepted: 11/12/2019] [Indexed: 01/31/2023] Open
Abstract
The biological effects induced by complete engine emissions in a 3D model of the human airway (MucilAirTM) and in human bronchial epithelial cells (BEAS-2B) grown at the air-liquid interface were compared. The cells were exposed for one or five days to emissions generated by a Euro 5 direct injection spark ignition engine. The general condition of the cells was assessed by the measurement of transepithelial electrical resistance and mucin production. The cytotoxic effects were evaluated by adenylate kinase (AK) and lactate dehydrogenase (LDH) activity. Phosphorylation of histone H2AX was used to detect double-stranded DNA breaks. The expression of the selected 370 relevant genes was analyzed using next-generation sequencing. The exposure had minimal effects on integrity and AK leakage in both cell models. LDH activity and mucin production in BEAS-2B cells significantly increased after longer exposures; DNA breaks were also detected. The exposure affected CYP1A1 and HSPA5 expression in MucilAirTM. There were no effects of this kind observed in BEAS-2B cells; in this system gene expression was rather affected by the time of treatment. The type of cell model was the most important factor modulating gene expression. In summary, the biological effects of complete emissions exposure were weak. In the specific conditions used in this study, the effects observed in BEAS-2B cells were induced by the exposure protocol rather than by emissions and thus this cell line seems to be less suitable for analyses of longer treatment than the 3D model.
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Affiliation(s)
- Pavel Rossner
- Department of Genetic Toxicology and Nanotoxicology, Institute of Experimental Medicine of the CAS, Videnska 1083, 142 20 Prague, Czech Republic; (T.C.); (K.V.); (A.A.); (Z.N.); (F.E.); (H.M.); (A.R.); (J.T.)
| | - Tereza Cervena
- Department of Genetic Toxicology and Nanotoxicology, Institute of Experimental Medicine of the CAS, Videnska 1083, 142 20 Prague, Czech Republic; (T.C.); (K.V.); (A.A.); (Z.N.); (F.E.); (H.M.); (A.R.); (J.T.)
- Department of Physiology, Faculty of Science, Charles University, Vinicna 7, 128 44 Prague, Czech Republic
| | - Michal Vojtisek-Lom
- Center of Vehicles for Sustainable Mobility, Faculty of Mechanical Engineering, Czech Technical University in Prague, Technicka 4, 160 00 Prague, Czech Republic; (M.V.-L.); (V.B.)
| | - Kristyna Vrbova
- Department of Genetic Toxicology and Nanotoxicology, Institute of Experimental Medicine of the CAS, Videnska 1083, 142 20 Prague, Czech Republic; (T.C.); (K.V.); (A.A.); (Z.N.); (F.E.); (H.M.); (A.R.); (J.T.)
| | - Antonin Ambroz
- Department of Genetic Toxicology and Nanotoxicology, Institute of Experimental Medicine of the CAS, Videnska 1083, 142 20 Prague, Czech Republic; (T.C.); (K.V.); (A.A.); (Z.N.); (F.E.); (H.M.); (A.R.); (J.T.)
| | - Zuzana Novakova
- Department of Genetic Toxicology and Nanotoxicology, Institute of Experimental Medicine of the CAS, Videnska 1083, 142 20 Prague, Czech Republic; (T.C.); (K.V.); (A.A.); (Z.N.); (F.E.); (H.M.); (A.R.); (J.T.)
| | - Fatima Elzeinova
- Department of Genetic Toxicology and Nanotoxicology, Institute of Experimental Medicine of the CAS, Videnska 1083, 142 20 Prague, Czech Republic; (T.C.); (K.V.); (A.A.); (Z.N.); (F.E.); (H.M.); (A.R.); (J.T.)
| | - Hasmik Margaryan
- Department of Genetic Toxicology and Nanotoxicology, Institute of Experimental Medicine of the CAS, Videnska 1083, 142 20 Prague, Czech Republic; (T.C.); (K.V.); (A.A.); (Z.N.); (F.E.); (H.M.); (A.R.); (J.T.)
| | - Vit Beranek
- Center of Vehicles for Sustainable Mobility, Faculty of Mechanical Engineering, Czech Technical University in Prague, Technicka 4, 160 00 Prague, Czech Republic; (M.V.-L.); (V.B.)
| | - Martin Pechout
- Department of Vehicles and Ground Transport, Czech University of Life Sciences in Prague, Kamycka 129, 165 21 Prague, Czech Republic; (M.P.); (D.M.)
| | - David Macoun
- Department of Vehicles and Ground Transport, Czech University of Life Sciences in Prague, Kamycka 129, 165 21 Prague, Czech Republic; (M.P.); (D.M.)
| | - Jiri Klema
- Department of Computer Science, Czech Technical University in Prague, 12135 Prague, Czech Republic;
| | - Andrea Rossnerova
- Department of Genetic Toxicology and Nanotoxicology, Institute of Experimental Medicine of the CAS, Videnska 1083, 142 20 Prague, Czech Republic; (T.C.); (K.V.); (A.A.); (Z.N.); (F.E.); (H.M.); (A.R.); (J.T.)
| | - Miroslav Ciganek
- Department of Chemistry and Toxicology, Veterinary Research Institute, 621 00 Brno, Czech Republic;
| | - Jan Topinka
- Department of Genetic Toxicology and Nanotoxicology, Institute of Experimental Medicine of the CAS, Videnska 1083, 142 20 Prague, Czech Republic; (T.C.); (K.V.); (A.A.); (Z.N.); (F.E.); (H.M.); (A.R.); (J.T.)
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Godri Pollitt KJ, Chhan D, Rais K, Pan K, Wallace JS. Biodiesel fuels: A greener diesel? A review from a health perspective. THE SCIENCE OF THE TOTAL ENVIRONMENT 2019; 688:1036-1055. [PMID: 31726536 DOI: 10.1016/j.scitotenv.2019.06.002] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/01/2019] [Revised: 05/27/2019] [Accepted: 06/01/2019] [Indexed: 06/10/2023]
Abstract
Biodiesels have been promoted as a greener alternative to diesel with decreased emissions and health effects. To investigate the scientific basis of the suggested environmental and health benefits offered by biodiesel, this review examines the current state of knowledge and key uncertainties of pollutant profiles of biodiesel engine exhaust and the associated the respiratory and cardiovascular outcomes. The ease and low cost of biodiesel production has facilitated greater distribution and commercial use. The pollutant profile of biodiesel engine exhaust is distinct from diesel, characterised by increased NOx and aldehyde emissions but decreased CO and CO2. Lower engine-out particulate matter mass concentrations have also been observed over a range of feedstocks. However, these reduced emissions have been attributable to a shift towards smaller sized particulate emissions. The toxicity of biodiesel engine exhaust has been investigated in vitro using various lung cell, in vivo evaluating responses induced in animals and through several human exposure studies. Discrepancies exist across results reported by in vitro and in vivo studies, which may be attributable to differences in biodiesel feedstocks, engine characteristics, operating conditions or use of aftertreatment systems across test scenarios. The limited human testing further suggests short-term exposure to biodiesel engine exhaust is associated with cardiopulmonary outcomes that are comparable to diesel. Additional information about the health effects of biodiesel engine exhaust exposure is required for effective public health policy.
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Affiliation(s)
- Krystal J Godri Pollitt
- Department of Environmental Health Sciences, School of Public Health, Yale University, Laboratory of Epidemiology and Public Health, 60 College Street, Room 444, New Haven, CT 06520, USA.
| | - Dany Chhan
- Environmental Health Sciences, School of Public Health and Health Sciences, University of Massachusetts, Amherst, MA, USA
| | - Khaled Rais
- Mechanical and Industrial Engineering, University of Toronto, Toronto, Ontario, Canada
| | - Kang Pan
- Mechanical and Industrial Engineering, University of Toronto, Toronto, Ontario, Canada
| | - James S Wallace
- Mechanical and Industrial Engineering, University of Toronto, Toronto, Ontario, Canada
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18
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Landwehr KR, Hillas J, Mead-Hunter R, O'Leary RA, Kicic A, Mullins BJ, Larcombe AN. Soy Biodiesel Exhaust is More Toxic than Mineral Diesel Exhaust in Primary Human Airway Epithelial Cells. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2019; 53:11437-11446. [PMID: 31453689 DOI: 10.1021/acs.est.9b01671] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
As global biodiesel production increases, there are concerns over the potential health impact of exposure to the exhaust, particularly in regard to young children who are at high risk because of their continuing lung development. Using human airway epithelial cells obtained from young children, we compared the effects of exposure to exhaust generated by a diesel engine with Euro V/VI emission controls running on conventional diesel (ultra-low-sulfur mineral diesel, ULSD), soy biodiesel (B100), or a 20% blend of soy biodiesel with diesel (B20). The exhaust output of biodiesel was found to contain significantly more respiratory irritants, including NOx, CO, and CO2, and a larger overall particle mass. Exposure to biodiesel exhaust resulted in significantly greater cell death and a greater release of immune mediators compared to both air controls and ULSD exhaust. These results have concerning implications for potential global health impacts, particularly for the pediatric population.
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Affiliation(s)
- Katherine R Landwehr
- Occupation, Environment and Safety, School of Public Health , Curtin University , P.O. Box U1987, Perth , Western Australia 6845 , Australia
- Respiratory Environmental Health, Telethon Kids Institute , Perth Children's Hospital , Nedlands, Perth , Western Australia 6009 , Australia
| | - Jessica Hillas
- Respiratory Environmental Health, Telethon Kids Institute , Perth Children's Hospital , Nedlands, Perth , Western Australia 6009 , Australia
| | - Ryan Mead-Hunter
- Occupation, Environment and Safety, School of Public Health , Curtin University , P.O. Box U1987, Perth , Western Australia 6845 , Australia
| | - Rebecca A O'Leary
- Department of Primary Industries and Regional Development , Perth , Western Australia 6151 , Australia
| | - Anthony Kicic
- Occupation, Environment and Safety, School of Public Health , Curtin University , P.O. Box U1987, Perth , Western Australia 6845 , Australia
- Respiratory Environmental Health, Telethon Kids Institute , Perth Children's Hospital , Nedlands, Perth , Western Australia 6009 , Australia
- Department of Respiratory and Sleep Medicine , Perth Children's Hospital , Nedlands, Perth , Western Australia 6009 , Australia
| | - Benjamin J Mullins
- Occupation, Environment and Safety, School of Public Health , Curtin University , P.O. Box U1987, Perth , Western Australia 6845 , Australia
| | - Alexander N Larcombe
- Occupation, Environment and Safety, School of Public Health , Curtin University , P.O. Box U1987, Perth , Western Australia 6845 , Australia
- Respiratory Environmental Health, Telethon Kids Institute , Perth Children's Hospital , Nedlands, Perth , Western Australia 6009 , Australia
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19
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Vaughan A, Stevanovic S, Banks APW, Zare A, Rahman MM, Bowman RV, Fong KM, Ristovski ZD, Yang IA. The cytotoxic, inflammatory and oxidative potential of coconut oil-substituted diesel emissions on bronchial epithelial cells at an air-liquid interface. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2019; 26:27783-27791. [PMID: 31342346 DOI: 10.1007/s11356-019-05959-5] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/20/2018] [Accepted: 07/11/2019] [Indexed: 06/10/2023]
Abstract
Diesel emissions contain high levels of particulate matter (PM) which can have a severe effect on the airways. Diesel PM can be effectively reduced with the substitution of diesel fuel with a biofuel such as vegetable oil. Unfortunately, very little is known about the cellular effects of these alternative diesel emissions on the airways. The aim of this study was to test whether coconut oil substitution in diesel fuel reduces the adverse effect of diesel emission exposure on human bronchial epithelial cells. Human bronchial epithelial cells were cultured at air-liquid interface for 7 days and exposed to diesel engine emissions from conventional diesel fuel or diesel fuel blended with raw coconut oil at low (10%), moderate (15%) and high (20%) proportions. Cell viability, inflammation, antioxidant production and xenobiotic metabolism were measured. Compared to conventional diesel, low fractional coconut oil substitution (10% and 15%) reduced inflammation and increased antioxidant expression, whereas higher fractional coconut oil (20%) reduced cell viability and increased inflammation. Therefore, cellular responses after exposure to alternative diesel emission are dependent on fuel composition.
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Affiliation(s)
- Annalicia Vaughan
- The University of Queensland Thoracic Research Centre, The Prince Charles Hospital, Brisbane, Australia.
| | - Svetlana Stevanovic
- International Laboratory for Air Quality and Health, The Queensland University of Technology, Brisbane, Australia
| | - Andrew P W Banks
- Queensland Alliance for Environmental Health Sciences, The University of Queensland, Brisbane, Australia
| | - Ali Zare
- International Laboratory for Air Quality and Health, The Queensland University of Technology, Brisbane, Australia
| | - Md Mostafizur Rahman
- International Laboratory for Air Quality and Health, The Queensland University of Technology, Brisbane, Australia
| | - Rayleen V Bowman
- The University of Queensland Thoracic Research Centre, The Prince Charles Hospital, Brisbane, Australia
| | - Kwun M Fong
- The University of Queensland Thoracic Research Centre, The Prince Charles Hospital, Brisbane, Australia
| | - Zoran D Ristovski
- International Laboratory for Air Quality and Health, The Queensland University of Technology, Brisbane, Australia
| | - Ian A Yang
- The University of Queensland Thoracic Research Centre, The Prince Charles Hospital, Brisbane, Australia
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20
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Selley L, Phillips DH, Mudway I. The potential of omics approaches to elucidate mechanisms of biodiesel-induced pulmonary toxicity. Part Fibre Toxicol 2019; 16:4. [PMID: 30621739 PMCID: PMC6504167 DOI: 10.1186/s12989-018-0284-y] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2018] [Accepted: 12/04/2018] [Indexed: 12/20/2022] Open
Abstract
BACKGROUND Combustion of biodiesels in place of fossil diesel (FD) has been proposed as a method of reducing transport-related toxic emissions in Europe. While biodiesel exhaust (BDE) contains fewer hydrocarbons, total particulates and carbon monoxide than FD exhaust (FDE), its high nitrogen oxide and ultrafine particle content may still promote pulmonary pathophysiologies. MAIN BODY Using a complement of in vitro and in vivo studies, this review documents progress in our understanding of pulmonary responses to BDE exposure. Focusing initially on hypothesis-driven, targeted analyses, the merits and limitations of comparing BDE-induced responses to those caused by FDE exposure are discussed within the contexts of policy making and exploration of toxicity mechanisms. The introduction and progression of omics-led workflows are also discussed, summarising the novel insights into mechanisms of BDE-induced toxicity that they have uncovered. Finally, options for the expansion of BDE-related omics screens are explored, focusing on the mechanistic relevance of metabolomic profiling and offering rationale for expansion beyond classical models of pulmonary exposure. CONCLUSION Together, these discussions suggest that molecular profiling methods have identified mechanistically informative, novel and fuel-specific signatures of pulmonary responses to biodiesel exhaust exposure that would have been difficult to detect using traditional, hypothesis driven approaches alone.
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Affiliation(s)
- Liza Selley
- MRC Toxicology Unit, University of Cambridge, Hodgkin Building, Lancaster Road, Leicester, LE1 9HN UK
| | - David H. Phillips
- Department of Analytical, Environmental and Forensic Sciences, MRC-PHE Centre for Environment & Health, School of Population Health and Environmental Sciences, Franklin-Wilkins Building, King’s College London, London, SE1 9NH UK
- NIHR HPRU in Health Impact of Environmental Hazards, Franklin-Wilkins Building, King’s College London, London, SE1 9NH UK
| | - Ian Mudway
- Department of Analytical, Environmental and Forensic Sciences, MRC-PHE Centre for Environment & Health, School of Population Health and Environmental Sciences, Franklin-Wilkins Building, King’s College London, London, SE1 9NH UK
- NIHR HPRU in Health Impact of Environmental Hazards, Franklin-Wilkins Building, King’s College London, London, SE1 9NH UK
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21
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Kowalska M, Wegierek-Ciuk A, Brzoska K, Wojewodzka M, Meczynska-Wielgosz S, Gromadzka-Ostrowska J, Mruk R, Øvrevik J, Kruszewski M, Lankoff A. Genotoxic potential of diesel exhaust particles from the combustion of first- and second-generation biodiesel fuels-the FuelHealth project. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2017; 24:24223-24234. [PMID: 28889235 PMCID: PMC5655577 DOI: 10.1007/s11356-017-9995-0] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/03/2017] [Accepted: 08/22/2017] [Indexed: 05/27/2023]
Abstract
Epidemiological data indicate that exposure to diesel exhaust particles (DEPs) from traffic emissions is associated with higher risk of morbidity and mortality related to cardiovascular and pulmonary diseases, accelerated progression of atherosclerotic plaques, and possible lung cancer. While the impact of DEPs from combustion of fossil diesel fuel on human health has been extensively studied, current knowledge of DEPs from combustion of biofuels provides limited and inconsistent information about its mutagenicity and genotoxicity, as well as possible adverse health risks. The objective of the present work was to compare the genotoxicity of DEPs from combustion of two first-generation fuels, 7% fatty acid methyl esters (FAME) (B7) and 20% FAME (B20), and a second-generation 20% FAME/hydrotreated vegetable oil (SHB: synthetic hydrocarbon biofuel) fuel. Our results revealed that particulate engine emissions from each type of biodiesel fuel induced genotoxic effects in BEAS-2B and A549 cells, manifested as the increased levels of single-strand breaks, the increased frequencies of micronuclei, or the deregulated expression of genes involved in DNA damage signaling pathways. We also found that none of the tested DEPs showed the induction of oxidative DNA damage and the gamma-H2AX-detectable double-strand breaks. The most pronounced differences concerning the tested particles were observed for the induction of single-strand breaks, with the greatest genotoxicity being associated with the B7-derived DEPs. The differences in other effects between DEPs from the different biodiesel blend percentage and biodiesel feedstock were also observed, but the magnitude of these variations was limited.
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Affiliation(s)
- Magdalena Kowalska
- Department of Radiobiology and Immunology, Institute of Biology, Jan Kochanowski University, 15 Swietokrzyska Str, 25-406, Kielce, Poland
| | - Aneta Wegierek-Ciuk
- Department of Radiobiology and Immunology, Institute of Biology, Jan Kochanowski University, 15 Swietokrzyska Str, 25-406, Kielce, Poland
| | - Kamil Brzoska
- Center for Radiobiology and Biological Dosimetry, Institute of Nuclear Chemistry and Technology, 16 Dorodna Str, 03-195, Warsaw, Poland
| | - Maria Wojewodzka
- Center for Radiobiology and Biological Dosimetry, Institute of Nuclear Chemistry and Technology, 16 Dorodna Str, 03-195, Warsaw, Poland
| | - Sylwia Meczynska-Wielgosz
- Center for Radiobiology and Biological Dosimetry, Institute of Nuclear Chemistry and Technology, 16 Dorodna Str, 03-195, Warsaw, Poland
| | - Joanna Gromadzka-Ostrowska
- Faculty of Human Nutrition and Consumer Science, Warsaw University of Life Sciences, 166 Nowoursynowska Str, 02-787, Warsaw, Poland
| | - Remigiusz Mruk
- Faculty of Production Engineering, Warsaw University of Life Sciences, 166 Nowoursynowska Str, 02-787, Warsaw, Poland
| | - Johan Øvrevik
- Domain of Infection Control and Environmental Health, Norwegian Institute of Public Health, P.O. Box 4404, Nydalen, 0403, Oslo, Norway
| | - Marcin Kruszewski
- Center for Radiobiology and Biological Dosimetry, Institute of Nuclear Chemistry and Technology, 16 Dorodna Str, 03-195, Warsaw, Poland
- Department of Molecular Biology and Translational Research, Institute of Rural Health, Jaczewskiego 2, 20-090, Lublin, Poland
- Faculty of Medicine, University of Information Technology and Management in Rzeszow, Sucharskiego 2, 35-225, Rzeszow, Poland
| | - Anna Lankoff
- Department of Radiobiology and Immunology, Institute of Biology, Jan Kochanowski University, 15 Swietokrzyska Str, 25-406, Kielce, Poland.
- Center for Radiobiology and Biological Dosimetry, Institute of Nuclear Chemistry and Technology, 16 Dorodna Str, 03-195, Warsaw, Poland.
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22
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Holme JA, Froetschl R, Knudsen LE. The European Environmental Mutagenesis and Genomics Society Annual Meeting, 14-18 August 2016, Copenhagen, Denmark. Basic Clin Pharmacol Toxicol 2017. [DOI: 10.1111/bcpt.12750] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Jørn A. Holme
- Division of Environmental medicine; Norwegian Institute of Public Health; Oslo Norway
| | | | - Lisbeth E. Knudsen
- Department of Public Health; University of Copenhagen; Copenhagen Denmark
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