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Ezim OE, Nyeche J, Nebeolisa CE, Belonwu CD, Abarikwu SO. Ascorbic acid attenuates gasoline-induced testicular toxicity, sperm quality deterioration, and testosterone imbalance in rats. Toxicol Ind Health 2024; 40:323-336. [PMID: 38597120 DOI: 10.1177/07482337241245154] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/11/2024]
Abstract
The present study evaluated the protective effect of ascorbic acid (ASCB) against gasoline fumes (PET) induced testicular oxidative stress, sperm toxicity, and testosterone imbalance in Wistar rats. Twenty-four (24) male albino rats (75 ± 16 g) were randomized into three experimental groups (N = 8). The control group: received normal saline, PET group: exposed to PET 6 h daily by inhalation in an exposure chamber and PET + 200 mg ASCB/kg body weight group: exposed to PET 6 h daily by inhalation and administered ASCB per os. Treatment of ASCB and PET exposure was done thrice and five times weekly for a period of 10 weeks respectively. ASCB co-treatment prevented PET-induced increases in the oxidative stress markers (glutathione, glutathione S-transferase, superoxide dismutase, catalase, hydrogen peroxide generation, nitric oxide, and lipid peroxidation) and serum testosterone concentration (p < .05). Sperm quality was low and those with damaged heads and tails increased alongside histological injuries in the PET-exposed rats, which were also minimized with ASCB administration. ASCB protected against PET-induced oxidative stress, sperm, and testis damage in rats.
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Affiliation(s)
- Ogechukwu E Ezim
- Department of Biochemistry, University of Port Harcourt, Choba, Nigeria
| | - Joy Nyeche
- Department of Biochemistry, University of Port Harcourt, Choba, Nigeria
| | | | - Chuka D Belonwu
- Department of Biochemistry, University of Port Harcourt, Choba, Nigeria
| | - Sunny O Abarikwu
- Department of Biochemistry, University of Port Harcourt, Choba, Nigeria
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Elkama A, Şentürk K, Karahalil B. Assessment of genotoxicity biomarkers in gasoline station attendants due to occupational exposure. Toxicol Ind Health 2024; 40:337-351. [PMID: 38597775 DOI: 10.1177/07482337241247089] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/11/2024]
Abstract
Gasoline station attendants are exposed to numerous chemicals that might have genotoxic and carcinogenic potential, such as benzene in fuel vapor and particulate matter and polycyclic aromatic hydrocarbons in vehicle exhaust emission. According to IARC, benzene and diesel particulates are Group 1 human carcinogens, and gasoline has been classified as Group 2A "possibly carcinogenic to humans." At gas stations, self-service is not implemented in Turkey; fuel-filling service is provided entirely by employees, and therefore they are exposed to those chemicals in the workplace during all working hours. Genetic monitoring of workers with occupational exposure to possible genotoxic agents allows early detection of cancer. We aimed to investigate the genotoxic damage due to exposures in gasoline station attendants in Turkey. Genotoxicity was evaluated by the Comet, chromosomal aberration, and cytokinesis-block micronucleus assays in peripheral blood lymphocytes. Gasoline station attendants (n = 53) had higher tail length, tail intensity, and tail moment values than controls (n = 61). In gasoline station attendants (n = 46), the frequencies of chromatid gaps, chromosome gaps, and total aberrations were higher compared with controls (n = 59). Increased frequencies of micronuclei and nucleoplasmic bridges were determined in gasoline station attendants (n = 47) compared with controls (n = 40). Factors such as age, duration of working, and smoking did not have any significant impact on genotoxic endpoints. Only exposure increased genotoxic damage in gasoline station attendants independently from demographic and clinical characteristics. Occupational exposure-related genotoxicity risk may increase in gasoline station attendants who are chronically exposed to gasoline and various chemicals in vehicle exhaust emissions.
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Affiliation(s)
- Aylin Elkama
- Department of Toxicology, Faculty of Pharmacy, Gazi University, Ankara, Turkey
| | - Kerem Şentürk
- Department of Toxicology, Faculty of Pharmacy, Dicle University, Diyarbakır, Turkey
| | - Bensu Karahalil
- Department of Toxicology, Faculty of Pharmacy, Gazi University, Ankara, Turkey
- Department of Toxicology, Faculty of Pharmacy, Eastern Mediterranean University, Famagusta, Turkey
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3
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Lau YS, Poon HY, Organ B, Chuang HC, Chan MN, Guo H, Ho SSH, Ho KF. Toxicological effects of fresh and aged gasoline exhaust particles in Hong Kong. J Hazard Mater 2023; 441:129846. [PMID: 36063712 DOI: 10.1016/j.jhazmat.2022.129846] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/02/2022] [Revised: 08/22/2022] [Accepted: 08/23/2022] [Indexed: 06/15/2023]
Abstract
Exhaust emissions from gasoline vehicles are one of the major contributors to aerosol particles observed in urban areas. It is well-known that these tiny particles are associated with air pollution, climate forcing, and adverse health effects. However, their toxicity and bioreactivity after atmospheric ageing are less constrained. The aim of the present study was to investigate the chemical and toxicological properties of fresh and aged particulate matter samples derived from gasoline exhaust emissions. Chemical analyses showed that both fresh and aged PM samples were rich in organic carbon, and the dominating chemical species were n-alkane and polycyclic aromatic hydrocarbons. Comparisons between fresh and aged samples revealed that the latter contained larger amounts of oxygenated compounds. In most cases, the bioreactivity induced by the aged PM samples was significantly higher than that induced by the fresh samples. Moderate to weak correlations were identified between chemical species and the levels of biomarkers in the fresh and aged PM samples. The results of the stepwise regression analysis suggested that n-alkane and alkenoic acid were major contributors to the increase in lactate dehydrogenase (LDH) levels in the fresh samples, while polycyclic aromatic hydrocarbons (PAHs) and monocarboxylic acid were the main factors responsible for such increase in the aged samples.
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Affiliation(s)
- Yik-Sze Lau
- JC School of Public Health and Primary Care, The Chinese University of Hong Kong, Hong Kong; Now at: International Laboratory of Air Quality and Health (ILAQR), Queensland University of Technology, Australia
| | - Hon-Yin Poon
- Earth System Science Programme, The Chinese University of Hong Kong, Hong Kong
| | - Bruce Organ
- Jockey Club Heavy Vehicle Emissions Testing and Research Centre, Hong Kong, China
| | - Hsiao-Chi Chuang
- School of Respiratory Therapy, College of Medicine, Taipei Medical University, Taipei 110, Taiwan, ROC
| | - Man-Nin Chan
- Earth System Science Programme, The Chinese University of Hong Kong, Hong Kong
| | - Hai Guo
- Department of Civil and Structural Engineering, The Hong Kong Polytechnic University, Hong Kong
| | - Steven Sai Hang Ho
- Division of Atmosphere Sciences, Desert Research Institute, Reno, NV 89512, United States; Hong Kong Premium Services and Research Laboratory, Cheung Sha Wan, Kowloon, Hong Kong, China
| | - Kin-Fai Ho
- JC School of Public Health and Primary Care, The Chinese University of Hong Kong, Hong Kong.
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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: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [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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Landwehr KR, Nabi MN, Rasul MG, Kicic A, Mullins BJ. Biodiesel Exhaust Toxicity with and without Diethylene Glycol Dimethyl Ether Fuel Additive in Primary Airway Epithelial Cells Grown at the Air-Liquid Interface. Environ Sci Technol 2022; 56:14640-14648. [PMID: 36177943 DOI: 10.1021/acs.est.2c03806] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Biodiesel usage is increasing steadily worldwide as the push for renewable fuel sources increases. The increased oxygen content in biodiesel fuel is believed to cause decreased particulate matter (PM) and increased nitrous oxides within its exhaust. The addition of fuel additives to further increase the oxygen content may contribute to even further benefits in exhaust composition. The aim of this study was to assess the toxicity of 10% (v/v) diethylene glycol dimethyl ether (DGDME) added as a biodiesel fuel additive. Primary human airway epithelial cells were grown at the air-liquid interface and exposed to diluted exhaust from an engine running on either grapeseed, bran, or coconut biodiesel or the same three biodiesels with 10% (v/v) DGDME added to them; mineral diesel and air were used as controls. Exhaust properties, culture permeability, epithelial cell damage, and IL-6 and IL-8 release were measured postexposure. The fuel additive DGDME caused a decrease in PM and nitrous oxide concentrations. However, exhaust exposure with DGDME also caused decreased permeability, increased epithelial cell damage, and increased release of IL-6 and IL-8 (p < 0.05). Despite the fuel additive having beneficial effects on the exhaust properties of the biodiesel, it was found to be more toxic.
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Affiliation(s)
- Katherine R Landwehr
- Occupation, Environment & Safety, School of Population Health, Curtin University, Perth, Western Australia 6102, Australia
- Respiratory Environmental Health, Telethon Kids Institute, Perth, Western Australia 6009, Australia
- Wal-yan Respiratory Research Centre, Telethon Kids Institute, Perth, Western Australia 6009, Australia
| | - Md Nurun Nabi
- School of Engineering and Technology, Fuel and Energy Research Group, Central Queensland University, Perth, Western Australia 6000, Australia
| | - Mohammad G Rasul
- School of Engineering and Technology, Fuel and Energy Research Group, Central Queensland University, Rockhampton, Queensland 4701, Australia
| | - Anthony Kicic
- Occupation, Environment & Safety, School of Population Health, Curtin University, Perth, Western Australia 6102, Australia
- Respiratory Environmental Health, Telethon Kids Institute, Perth, Western Australia 6009, Australia
- Wal-yan Respiratory Research Centre, Telethon Kids Institute, Perth, Western Australia 6009, Australia
- Department of of Respiratory and Sleep Medicine, Perth Children's Hospital, Perth, Western Australia 6009, Australia
- Centre for Cell Therapy and Regenerative Medicine, The University of Western Australia, Perth, Western Australia 6009, Australia
| | - Benjamin J Mullins
- Occupation, Environment & Safety, School of Population Health, Curtin University, Perth, Western Australia 6102, Australia
- Wal-yan Respiratory Research Centre, Telethon Kids Institute, Perth, Western Australia 6009, Australia
- St. John of God Hospital, Subiaco, Western Australia 6008, Australia
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Arias S, Estrada V, Ortiz IC, Molina FJ, Agudelo JR. Biological toxicity risk assessment of two potential neutral carbon diesel fuel substitutes. Environ Pollut 2022; 308:119677. [PMID: 35753542 DOI: 10.1016/j.envpol.2022.119677] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/09/2022] [Revised: 06/15/2022] [Accepted: 06/21/2022] [Indexed: 06/15/2023]
Abstract
We investigated the biological response of soluble organic fraction (SOF) and water-soluble fraction (WSF) extracted from particulate matter (PM) emitted by an automotive diesel engine operating in a representative urban driving condition. The engine was fueled with ultra-low sulfur diesel (ULSD), and its binary blends by volume with 13% of butanol (Bu13), and with hydrotreated vegetable oil (HVO) at 13% (HVO13) and 20% (HVO20). Cytotoxicity, genotoxicity, oxidative DNA damage and ecotoxicity tests were carried out, and 16 polycyclic aromatic hydrocarbons (PAH) expressed as tbenzo(a)pyrene total toxicity equivalent (BaP-TEQ) were also analyzed. The Hepatocarcinoma epithelial cell line (HepG2) was exposed to SOF for 24 h and analyzed using comet assay, with the inclusion of formamidopyrimidine DNA glycosylase (FPG) and endonuclease III (Endo III) to recognize oxidized DNA bases. The WSF was evaluated through acute ecotoxicity tests with the aquatic microcrustacean Daphnia pulex (D. Pulex). Results showed that there was no cytotoxic activity for all tested SOF concentrations. Genotoxic responses by all the SOF samples were at same level, except for the HVO13 which was weaker in the absence of the enzymes. The addition of the FPG and Endo III enzymes resulted in a significant increase in the comet tail, indicating that the DNA damage from SOF for all tested fuel blends involves oxidative damage including a higher level of oxidized purines for ULSD and Bu13 in comparison with HVO blends, but the oxidized pyrimidines for HVO blends were slightly higher compared to Bu13. The WSF did not show acute ecotoxicity for any of the fuels. Unlike other samples, Bu13-derived particles significantly increase the BaP-TEQ. The contribution to the genotoxic activity and oxidative DNA from SOF was not correlated to BaP-TEQ, which means that the biological activity of PM might be affected also by other toxic compounds present in particulate phase.
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Affiliation(s)
- Silvana Arias
- Grupo de Investigación en Gestión y Modelación Ambiental-GAIA, Escuela Ambiental, Facultad de Ingeniería, Universidad de Antioquia UdeA, Calle 70 No. 52-21, Medellín, Colombia; Grupo de Manejo Eficiente de la Energía -GIMEL, Facultad de Ingeniería, Universidad de Antioquia UdeA, Calle 70 No. 52-21, Medellín, Colombia.
| | - Verónica Estrada
- Grupo de Investigación Biología de Sistemas, Facultad de Medicina, Universidad Pontificia Bolivariana, UPB, Calle 78B 72A - 109, Medellín, Colombia
| | - Isabel C Ortiz
- Grupo de Investigación Biología de Sistemas, Facultad de Medicina, Universidad Pontificia Bolivariana, UPB, Calle 78B 72A - 109, Medellín, Colombia
| | - Francisco J Molina
- Grupo de Investigación en Gestión y Modelación Ambiental-GAIA, Escuela Ambiental, Facultad de Ingeniería, Universidad de Antioquia UdeA, Calle 70 No. 52-21, Medellín, Colombia
| | - John R Agudelo
- Grupo de Manejo Eficiente de la Energía -GIMEL, Facultad de Ingeniería, Universidad de Antioquia UdeA, Calle 70 No. 52-21, Medellín, Colombia
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Guerreiro ADS, Guterres BDV, Costa PG, Bianchini A, Botelho SSDC, Sandrini JZ. Combined physiological and behavioral approaches as tools to evaluate environmental risk assessment of the water accommodated-fraction of diesel oil. Aquat Toxicol 2022; 249:106230. [PMID: 35797851 DOI: 10.1016/j.aquatox.2022.106230] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/06/2021] [Revised: 05/14/2022] [Accepted: 06/20/2022] [Indexed: 06/15/2023]
Abstract
There is an increasing concern related to the toxic effects of the soluble portion of diesel oil on aquatic ecosystems and the organisms living in them. In this context, the aim of this study was to analyze the effects of diesel water accommodated-fraction (WAF) on behavioral and biochemical responses of mussels Perna perna. Animals were exposed to 5 and 20% of WAF for 96 h. Prior to the beginning of the experiments, Hall effect sensors and magnets were attached to the valves of the mussels. Valve gaping behavior was continuously recorded for 12 h of exposure and tissues (gills and digestive gland) were separated after 96 h of exposure. Overall, both behavior and biochemical biomarkers were altered due to WAF exposure. Animals exposed to WAF reduced the average amplitude of the valves and the fraction of time opened, and presented greater transition frequency, demonstrating avoidance behavior over the 12 h period. Furthermore, the biochemical biomarkers (GSH, GST, SOD and CAT) were altered following the 96 h of exposure to WAF. Considering the results presented, this study demonstrates the toxic potential of WAF in both shorter and longer exposure periods.
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Affiliation(s)
- Amanda da Silveira Guerreiro
- Programa de Pós-Graduação em Ciências Fisiológicas. Instituto de Ciências Biológicas, ICB. Universidade Federal do Rio Grande - FURG, Rio Grande, RS, Brazil.
| | - Bruna de Vargas Guterres
- Programa de Pós-Graduação em Engenharia de Computação. Centro de Ciências Computacionais, C3. Universidade Federal do Rio Grande - FURG, Rio Grande, RS 96203-900, Brazil
| | - Patricia Gomes Costa
- Instituto de Ciências Biológicas, ICB. Universidade Federal do Rio Grande - FURG, Rio Grande, RS 96203-900, Brazil
| | - Adalto Bianchini
- Programa de Pós-Graduação em Ciências Fisiológicas. Instituto de Ciências Biológicas, ICB. Universidade Federal do Rio Grande - FURG, Rio Grande, RS, Brazil
| | - Silvia Silva da Costa Botelho
- Programa de Pós-Graduação em Engenharia de Computação. Centro de Ciências Computacionais, C3. Universidade Federal do Rio Grande - FURG, Rio Grande, RS 96203-900, Brazil
| | - Juliana Zomer Sandrini
- Programa de Pós-Graduação em Ciências Fisiológicas. Instituto de Ciências Biológicas, ICB. Universidade Federal do Rio Grande - FURG, Rio Grande, RS, Brazil
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Wong PK, Ghadikolaei MA, Chen SH, Fadairo AA, Ng KW, Lee SMY, Xu JC, Lian ZD, Li S, Wong HC, Zhao J, Ning Z, Gali NK. Physicochemical and cell toxicity properties of particulate matter (PM) from a diesel vehicle fueled with diesel, spent coffee ground biodiesel, and ethanol. Sci Total Environ 2022; 824:153873. [PMID: 35167892 DOI: 10.1016/j.scitotenv.2022.153873] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/10/2021] [Revised: 02/08/2022] [Accepted: 02/10/2022] [Indexed: 06/14/2023]
Abstract
The literature shows that information about the physical, chemical, and cell toxicity properties of particulate matter (PM) from diesel vehicles is not rich as the existence of a remarkable number of studies about the combustion, performance, and emissions of diesel vehicles using renewable liquid fuels, particularly biodiesels and alcohols. Also, the PM analyses from combustion of spent coffee ground biodiesel have not been comprehensively explored. Therefore, this research is presented. Pure diesel, 90% diesel + 10% biodiesel, and 90% diesel + 9% ethanol + 1% biodiesel, volume bases, were tested under a fast idle condition. STEM, SEM, EDS, Organic Carbon Analyzer, TGA/DSC, and Raman Spectrometer were employed for investigating the PM physical and chemical properties, and assays of cell viability, cellular reactive oxygen species, interleukin-6, and tumor necrosis factor-alpha were examined for investigating the PM cell toxicity properties. It is found that the application of both biodiesel and ethanol has the potential to change the PM properties, while the impact of ethanol is more than biodiesel on the changes. Regarding the important aspects, biodiesel can be effective for better human health (due to a decrease in cell death (-60.8%)) as well as good diesel particulate filter efficiency (due to lower activation energy (-7.6%) and frequency factor (-83.2%)). However, despite a higher impact of ethanol on the reductions in activation energy (-24.8%) and frequency factor (-99.0%), this fuel causes an increase in cell death (84.1%). Therefore, biodiesel can be an appropriate fuel to have a positive impact on human health, the environment, and emissions catalysts performance, simultaneously.
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Affiliation(s)
- Pak Kin Wong
- Department of Electromechanical Engineering, University of Macau, Taipa, Macau
| | | | - Shou Hao Chen
- Department of Electromechanical Engineering, University of Macau, Taipa, Macau
| | | | - Kar Wei Ng
- Institute of Applied Physics and Materials Engineering, University of Macau, Taipa, Macau
| | | | - Jin Cheng Xu
- Institute of Applied Physics and Materials Engineering, University of Macau, Taipa, Macau
| | - Zhen Dong Lian
- Institute of Applied Physics and Materials Engineering, University of Macau, Taipa, Macau
| | - Shuli Li
- Institute of Chinese Medical Sciences, University of Macau, Taipa, Macau
| | - Hang Cheong Wong
- Department of Electromechanical Engineering, University of Macau, Taipa, Macau
| | - Jing Zhao
- Department of Electromechanical Engineering, University of Macau, Taipa, Macau
| | - Zhi Ning
- Division of Environment and Sustainability, The Hong Kong University of Science and Technology, Clear Water Bay, Hong Kong
| | - Nirmal Kumar Gali
- Division of Environment and Sustainability, The Hong Kong University of Science and Technology, Clear Water Bay, Hong Kong
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Verma N, Pandit S, Gupta PK, Kumar S, Kumar A, Giri SK, Yadav G, Priya K. Occupational health hazards and wide spectrum of genetic damage by the organic solvent fumes at the workplace: A critical appraisal. Environ Sci Pollut Res Int 2022; 29:30954-30966. [PMID: 35102507 DOI: 10.1007/s11356-022-18889-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/23/2021] [Accepted: 01/22/2022] [Indexed: 06/14/2023]
Abstract
Long-term exposure to organic solvents is known to affect human health posing serious occupational hazards. Organic solvents are genotoxic, and they can cause genetic changes in the exposed employees' somatic or germ cells. Chemicals such as benzene, toluene, and gasoline induce an excessive amount of genotoxicity results either in genetic polymorphism or culminates in deleterious mutations when concentration crosses the threshold limits. The impact of genotoxicity is directly related to the time of exposure, types, and quantum of solvent. Genotoxicity affects almost all the physiological systems, but the most vulnerable ones are the nervous system, reproductive system, and blood circulatory system. Based on the available literature report, we propose to evaluate the outcomes of such chemicals on the exposed humans at the workplace. Attempts would be made to ascertain if the long-term exposure makes a person resistant to such chemicals. This may seem to be a far-fetched idea but has not been studied. The health prospect of this study is envisaged to complement the already existing data facilitating a deeper understanding of the genotoxicity across the population. This would also demonstrate if it correlates with the demographic profile of the population and contributes to comorbidity and epidemiology.
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Affiliation(s)
- Neha Verma
- Deptt. of Life Sciences, SBSR, Sharda University, Greater Noida, UP, 201310, India
| | - Soumya Pandit
- Deptt. of Life Sciences, SBSR, Sharda University, Greater Noida, UP, 201310, India
| | - Piyush Kumar Gupta
- Deptt. of Life Sciences, SBSR, Sharda University, Greater Noida, UP, 201310, India
| | - Sanjay Kumar
- Deptt. of Life Sciences, SBSR, Sharda University, Greater Noida, UP, 201310, India
| | - Anil Kumar
- Center of Medical Biotechnology, Maharishi Dayanand University, Rohtak Haryana, HR, 124001, India
| | - Shiv Kumar Giri
- Department of Biotechnology, Maharaja Agrasen University, Baddi, HP, India
| | - Gulab Yadav
- Department of Biotechnology, Maharaja Agrasen University, Baddi, HP, India
| | - Kanu Priya
- Deptt. of Life Sciences, SBSR, Sharda University, Greater Noida, UP, 201310, India.
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Líbalová H, Závodná T, Vrbová K, Sikorová J, Vojtíšek-Lom M, Beránek V, Pechout M, Kléma J, Ciganek M, Machala M, Neča J, Rössner P, Topinka J. Transcription profiles in BEAS-2B cells exposed to organic extracts from particulate emissions produced by a port-fuel injection vehicle, fueled with conventional fossil gasoline and gasoline-ethanol blend. Mutat Res Genet Toxicol Environ Mutagen 2021; 872:503414. [PMID: 34798934 DOI: 10.1016/j.mrgentox.2021.503414] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/13/2021] [Revised: 09/08/2021] [Accepted: 09/28/2021] [Indexed: 12/21/2022]
Abstract
Emissions from road traffic are among the major contributors to air pollution worldwide and represent a serious environmental health risk. Although traffic-related pollution has been most commonly associated with diesel engines, increasing evidence suggests that gasoline engines also produce a considerable amount of potentially hazardous particulate matter (PM). The primary objective of this study was to compare the intrinsic toxic properties of the organic components of PM, generated by a conventional gasoline engine fueled with neat gasoline (E0), or gasoline-ethanol blend (15 % ethanol, v/v, E15). Our results showed that while E15 has produced, compared to gasoline and per kg of fuel, comparable particle mass (μg PM/kg fuel) and slightly more particles by number, the organic extract from the particulate matter produced by E15 contained a larger amount of harmful polycyclic aromatic hydrocarbons (PAHs), as determined by the chemical analysis. To examine the toxicity, we monitored genome-wide gene expression changes in human lung BEAS-2B cells, exposed for 4 h and 24 h to a subtoxic dose of each PM extract. After 4 h exposure, numerous dysregulated genes and processes such as oxidative stress, lipid and steroid metabolism, PPARα signaling and immune response, were found to be common for both extract treatments. On the other hand, 24 h exposure resulted in more distinctive gene expression patterns. Although we identified several common modulated processes indicating the metabolism of PAHs and activation of aryl hydrocarbon receptor (AhR), E15 specifically dysregulated a variety of other genes and pathways related to cancer promotion and progression. Overall, our findings suggest that the ethanol addition to gasoline changed the intrinsic properties of PM emissions and increased the PAH content in PM organic extract, thus contributing to a more extensive toxic response particularly after 24 h exposure in BEAS-2B cells.
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Affiliation(s)
- Helena Líbalová
- Department of Nanotoxicology and Molecular Epidemiology, Institute of Experimental Medicine AS CR, Videnska 1083, 142 20, Prague, Czech Republic.
| | - Táňa Závodná
- Department of Genetic Toxicology and Epigenetics, Institute of Experimental Medicine AS CR, Videnska 1083, 142 20, Prague, Czech Republic.
| | - Kristýna Vrbová
- Department of Nanotoxicology and Molecular Epidemiology, Institute of Experimental Medicine AS CR, Videnska 1083, 142 20, Prague, Czech Republic.
| | - Jitka Sikorová
- Department of Genetic Toxicology and Epigenetics, Institute of Experimental Medicine AS CR, Videnska 1083, 142 20, Prague, Czech Republic.
| | - Michal Vojtíšek-Lom
- Center of Vehicles for Sustainable Mobility, Faculty of Mechanical Engineering, Czech Technical University in Prague, Technicka 4, 166 07, Prague, Czech Republic.
| | - Vít Beránek
- Center of Vehicles for Sustainable Mobility, Faculty of Mechanical Engineering, Czech Technical University in Prague, Technicka 4, 166 07, Prague, Czech Republic.
| | - Martin Pechout
- Department of Vehicles and Ground Transport, Faculty of Engineering, Czech University of Life Sciences, Kamycka 127, 165 21, Prague, Czech Republic.
| | - Jiří Kléma
- Department of Cybernetics, Faculty of Electrical Engineering, Czech Technical University in Prague, Karlovo namesti 13, 121 35, Prague, Czech Republic.
| | - Miroslav Ciganek
- Department of Chemistry and Toxicology, Veterinary Research Institute, Hudcova 296/70, 621 00, Brno, Czech Republic.
| | - Miroslav Machala
- Department of Chemistry and Toxicology, Veterinary Research Institute, Hudcova 296/70, 621 00, Brno, Czech Republic.
| | - Jiří Neča
- Department of Chemistry and Toxicology, Veterinary Research Institute, Hudcova 296/70, 621 00, Brno, Czech Republic.
| | - Pavel Rössner
- Department of Nanotoxicology and Molecular Epidemiology, Institute of Experimental Medicine AS CR, Videnska 1083, 142 20, Prague, Czech Republic.
| | - Jan Topinka
- Department of Genetic Toxicology and Epigenetics, Institute of Experimental Medicine AS CR, Videnska 1083, 142 20, Prague, Czech Republic.
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11
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Rossner P, Cervena T, Vojtisek-Lom M, Neca J, Ciganek M, Vrbova K, Ambroz A, Novakova Z, Elzeinova F, Sima M, Simova Z, Holan V, Beranek V, Pechout M, Macoun D, Rossnerova A, Topinka J. Markers of lipid oxidation and inflammation in bronchial cells exposed to complete gasoline emissions and their organic extracts. Chemosphere 2021; 281:130833. [PMID: 34015653 DOI: 10.1016/j.chemosphere.2021.130833] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/15/2021] [Revised: 04/29/2021] [Accepted: 05/04/2021] [Indexed: 06/12/2023]
Abstract
Road traffic emissions consist of gaseous components, particles of various sizes, and chemical compounds that are bound to them. Exposure to vehicle emissions is implicated in the etiology of inflammatory respiratory disorders. We investigated the inflammation-related markers in human bronchial epithelial cells (BEAS-2B) and a 3D model of the human airways (MucilAir™), after exposure to complete emissions and extractable organic matter (EOM) from particles generated by ordinary gasoline (E5), and a gasoline-ethanol blend (E20; ethanol content 20% v/v). The production of 22 lipid oxidation products (derivatives of linoleic and arachidonic acid, AA) and 45 inflammatory molecules (cytokines, chemokines, growth factors) was assessed after days 1 and 5 of exposure, using LC-MS/MS and a multiplex immunoassay, respectively. The response observed in MucilAir™ exposed to E5 gasoline emissions, characterized by elevated levels of pro-inflammatory AA metabolites (prostaglandins) and inflammatory markers, was the most pronounced. E20 EOM exposure was associated with increased levels of AA metabolites with anti-inflammatory effects in this cell model. The exposure of BEAS-2B cells to complete emissions reduced lipid oxidation, while E20 EOM tended to increase concentrations of AA metabolite and chemokine production; the impacts on other inflammatory markers were limited. In summary, complete E5 emission exposure of MucilAir™ induces the processes associated with the pro-inflammatory response. This observation highlights the potential negative health impacts of ordinary gasoline, while the effects of alternative fuel are relatively weak.
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Affiliation(s)
- Pavel Rossner
- Department of Nanotoxicology and Molecular Epidemiology, Institute of Experimental Medicine of the CAS, Videnska 1083, 142 20, Prague, Czech Republic.
| | - Tereza Cervena
- Department of Nanotoxicology and Molecular Epidemiology, Institute of Experimental Medicine of the CAS, Videnska 1083, 142 20, Prague, Czech Republic; Department of Physiology, Faculty of Science, Charles University, Vinicna 7, 128 44, Prague, Czech Republic.
| | - Michal Vojtisek-Lom
- Centre of Vehicles for Sustainable Mobility, Faculty of Mechanical Engineering, Czech Technical University in Prague, Technicka 4, 160 00, Prague, Czech Republic.
| | - Jiri Neca
- Department of Chemistry and Toxicology, Veterinary Research Institute, 621 00, Brno, Czech Republic.
| | - Miroslav Ciganek
- Department of Chemistry and Toxicology, Veterinary Research Institute, 621 00, Brno, Czech Republic.
| | - Kristyna Vrbova
- Department of Nanotoxicology and Molecular Epidemiology, Institute of Experimental Medicine of the CAS, Videnska 1083, 142 20, Prague, Czech Republic.
| | - Antonin Ambroz
- Department of Nanotoxicology and Molecular Epidemiology, Institute of Experimental Medicine of the CAS, Videnska 1083, 142 20, Prague, Czech Republic.
| | - Zuzana Novakova
- Department of Nanotoxicology and Molecular Epidemiology, Institute of Experimental Medicine of the CAS, Videnska 1083, 142 20, Prague, Czech Republic.
| | - Fatima Elzeinova
- Department of Nanotoxicology and Molecular Epidemiology, Institute of Experimental Medicine of the CAS, Videnska 1083, 142 20, Prague, Czech Republic.
| | - Michal Sima
- Department of Nanotoxicology and Molecular Epidemiology, Institute of Experimental Medicine of the CAS, Videnska 1083, 142 20, Prague, Czech Republic.
| | - Zuzana Simova
- Department of Nanotoxicology and Molecular Epidemiology, Institute of Experimental Medicine of the CAS, Videnska 1083, 142 20, Prague, Czech Republic.
| | - Vladimir Holan
- Department of Nanotoxicology and Molecular Epidemiology, Institute of Experimental Medicine of the CAS, Videnska 1083, 142 20, Prague, Czech Republic.
| | - Vit Beranek
- Centre of Vehicles for Sustainable Mobility, Faculty of Mechanical Engineering, Czech Technical University in Prague, Technicka 4, 160 00, Prague, Czech Republic.
| | - Martin Pechout
- Department of Vehicles and Ground Transport, Czech University of Life Sciences in Prague, Kamycka 129, 165 21, Prague, Czech Republic.
| | - David Macoun
- Department of Vehicles and Ground Transport, Czech University of Life Sciences in Prague, Kamycka 129, 165 21, Prague, Czech Republic.
| | - Andrea Rossnerova
- Department of Genetic Toxicology and Epigenetics, Institute of Experimental Medicine of the CAS, Videnska 1083, 142 20, Prague, Czech Republic.
| | - Jan Topinka
- Department of Genetic Toxicology and Epigenetics, Institute of Experimental Medicine of the CAS, Videnska 1083, 142 20, Prague, Czech Republic.
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12
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Mueller S, Dennison G, Liu S. An Assessment on Ethanol-Blended Gasoline/Diesel Fuels on Cancer Risk and Mortality. Int J Environ Res Public Health 2021; 18:6930. [PMID: 34203568 PMCID: PMC8297295 DOI: 10.3390/ijerph18136930] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/23/2021] [Revised: 05/28/2021] [Accepted: 06/13/2021] [Indexed: 12/23/2022]
Abstract
Although cancer is traditionally considered a genetic disease, the epigenetic abnormalities, including DNA hypermethylation, histone deacetylation, and/or microRNA dysregulation, have been demonstrated as a hallmark of cancer. Compared with gene mutations, aberrant epigenetic changes occur more frequently, and cellular epigenome is more susceptible to change by environmental factors. Excess cancer risks are positively associated with exposure to occupational and environmental chemical carcinogens, including those from gasoline combustion exhausted in vehicles. Of note, previous studies proposed particulate matter index (PMI) as a measure for gasoline sooting tendency, and showed that, compared with the other molecules in gasoline, 1,2,4-Trimethylbenzene, 2-methylnaphthalene and toluene significantly contribute to PMI of the gasoline blends. Mechanistically, both epigenome and genome are important in carcinogenicity, and the genotoxicity of chemical agents has been thoroughly studied. However, less effort has been put into studying the epigenotoxicity. Moreover, as the blending of ethanol into gasoline substitutes for carcinogens, like benzene, toluene, xylene, butadiene, and polycyclic aromatic hydrocarbons, etc., a reduction of secondary aromatics has been achieved in the atmosphere. This may lead to diminished cancer initiation and progression through altered cellular epigenetic landscape. The present review summarizes the most important findings in the literature on the association between exposures to carcinogens from gasoline combustion, cancer epigenetics and the potential epigenetic impacts of biofuels.
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Affiliation(s)
- Steffen Mueller
- Energy Resources Center, The University of Illinois at Chicago, Chicago, IL 60607, USA;
| | - Gail Dennison
- The Hormel Institute, University of Minnesota, Austin, MN 55912, USA;
| | - Shujun Liu
- The Hormel Institute, University of Minnesota, Austin, MN 55912, USA;
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13
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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. Environ Sci Pollut Res Int 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] [What about the content of this article? (0)] [Affiliation(s)] [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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14
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Daniel G, Silva ARR, de Souza Abessa DM, Loureiro S. Fire Suppression Agents Combined with Gasoline in Aquatic Ecosystems: A Mixture Approach. Environ Toxicol Chem 2021; 40:767-779. [PMID: 33006788 DOI: 10.1002/etc.4889] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/22/2020] [Revised: 06/15/2020] [Accepted: 09/28/2020] [Indexed: 06/11/2023]
Abstract
Fire suppression agents are recommended for extinguishing fires by flammable liquids and frequently end in water bodies, combined with the fuels. There is a lack of toxicity information on these commercial formulations and the effects of mixtures of fire suppression agents and fuels. The aim of the present study was to evaluate the toxic effects of different fire suppression agents, the gasoline water-soluble fraction (GWSF), and mixtures of each fire suppression agent and GWSF. Individual tests were performed with Daphnia similis and Artemia sp.; the most toxic fire suppression agents to D. similis and Artemia sp. were F-500®, Cold Fire®, Agefoam®, and Kidde Sintex® 1%; the GWSF was the least toxic. The concentration addition model was used to predict the mixture effects and evaluate synergism/antagonism, dose ratio dependence, and dose level dependence. Cold Fire with GWSF showed dose level deviation to D. similis, marked mainly by synergism; for Artemia sp., the dose ratio pattern was predicted, with a synergistic response mainly by Cold Fire. Agefoam and GWSF behaved additively for D. similis and dose ratio for Artemia sp., with synergism being caused by Agefoam. Kidde Sintex 1% with GWSF were dose ratio for both organisms, with Kidde Sintex 1% being responsible for synergism. Our results show that some mixtures of fire suppression agents and GWSF may cause toxicity to aquatic organisms, posing risk in a real environmental scenario, such as a major fire combat. Environ Toxicol Chem 2021;40:767-779. © 2020 SETAC.
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Affiliation(s)
- Gabriela Daniel
- São Paulo State University, Institute of Biosciences, São Vicente, São Paulo, Brazil
| | - Ana Rita R Silva
- Centre for Environmental and Marine Studies, Department of Biology, University of Aveiro, Aveiro, Portugal
| | | | - Susana Loureiro
- Centre for Environmental and Marine Studies, Department of Biology, University of Aveiro, Aveiro, Portugal
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15
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Arias S, Molina F, Agudelo JR. Palm oil biodiesel: An assessment of PAH emissions, oxidative potential and ecotoxicity of particulate matter. J Environ Sci (China) 2021; 101:326-338. [PMID: 33334527 DOI: 10.1016/j.jes.2020.08.022] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2020] [Revised: 08/19/2020] [Accepted: 08/20/2020] [Indexed: 06/12/2023]
Abstract
This work assessed the impact of fuelling an automotive engine with palm biodiesel (pure, and two blends of 10% and 20% with diesel, B100, B10 and B20, respectively) operating under representative urban driving conditions on 17 priority polycyclic aromatic hydrocarbon (PAH) compounds, oxidative potential of ascorbic acid (OPAA), and ecotoxicity through Daphnia pulex mortality test. PM diluted with filtered fresh air (WD) gathered in a minitunel, and particulate matter (PM) collected directly from the exhaust gas stream (W/oD) were used for comparison. Results showed that PM collecting method significantly impact PAH concentration. Although all PAH appeared in both, WD and W/oD, higher concentrations were obtained in the last case. Increasing biodiesel concentration in the fuel blend decreased all PAH compounds, and those with 3 and 5 aromatic rings were the most abundant. Palm biodiesel affected both OPAA and ecotoxicity. While B10 and B20 exhibited the same rate of ascorbic acid (AA) depletion, B100 showed significant faster oxidation rate during the first four minutes and oxidized 10% more AA at the end of the test. B100 and B20 were significantly more ecotoxic than B10. The lethal concentration LC50 for B10 was 6.13 mg/L. It was concluded that palm biodiesel decreased PAH compounds, but increased the oxidative potential and ecotoxicity.
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Affiliation(s)
- Silvana Arias
- Grupo de Investigación en Gestión y Modelación Ambiental -GAIA, Escuela Ambiental, Facultad de Ingeniería, Universidad de Antioquia UdeA, Calle 70 No.52-21, Medellín, Colombia
| | - Francisco Molina
- Grupo de Investigación en Gestión y Modelación Ambiental -GAIA, Escuela Ambiental, Facultad de Ingeniería, Universidad de Antioquia UdeA, Calle 70 No.52-21, Medellín, Colombia
| | - John R Agudelo
- Departamento de Ingeniería Mecánica, Universidad de Antioquia UdeA.
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16
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Eze MO, George SC, Hose GC. Dose-response analysis of diesel fuel phytotoxicity on selected plant species. Chemosphere 2021; 263:128382. [PMID: 33297285 DOI: 10.1016/j.chemosphere.2020.128382] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/16/2020] [Revised: 09/13/2020] [Accepted: 09/17/2020] [Indexed: 06/12/2023]
Abstract
As an ecotoxicological tool, bioassays are an effective screening tool to eliminate plants sensitive to the contaminant of interest, and thereby reduce the number of plant species requiring further study. We conducted a bioassay analysis of fifteen plant species to determine their tolerance to diesel fuel toxicity. Dose-response analysis revealed that increasing diesel fuel concentrations in the soil generally led to a monotonically decreasing biomass in 13 species (P < 0.001), with EC10 values (±SE) ranging from 0.36 ± 0.18 g/kg to 12.67 ± 2.13 g/kg. On the other hand, hydrocarbons had a statistically significant hormetic influence on Medicago sativa (f = 3.90 ± 1.08; P < 0.01). The EC10 and EC50 values (±SE) from the fitted hormetic model were 15.33 ± 1.47 g/kg and 26.89 ± 2.00 g/kg, respectively. While previous studies have shown M. sativa's tolerance of hydrocarbon toxicity, this is the first attempt to describe diesel fuel-induced hormesis in M. sativa using the Cedergreen-Ritz-Streibig model. This study thus shows that hormesis cannot be ignored in plant toxicology research, and that when present, an appropriate statistical model is necessary to avoid drawing wrong conclusions.
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Affiliation(s)
- Michael O Eze
- Department of Earth and Environmental Sciences and MQ Marine Research Centre, Macquarie University, Sydney, NSW, 2109, Australia; Department of Genomic and Applied Microbiology and Goettingen Genomics Laboratory, Georg-August University of Goettingen, Germany.
| | - Simon C George
- Department of Earth and Environmental Sciences and MQ Marine Research Centre, Macquarie University, Sydney, NSW, 2109, Australia
| | - Grant C Hose
- Department of Biological Sciences, Macquarie University, Sydney, NSW, 2109, Australia
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17
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Chaiklieng S, Suggaravetsiri P, Autrup H. Biomatrix of health risk assessment of benzene-exposed workers at Thai gasoline stations. J Occup Health 2021; 63:e12307. [PMID: 34957641 PMCID: PMC8710842 DOI: 10.1002/1348-9585.12307] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2020] [Revised: 11/18/2021] [Accepted: 12/08/2021] [Indexed: 11/23/2022] Open
Abstract
OBJECTIVE This study assessed the health risk of benzene exposure among Thai gasoline station workers through biomarker detection and experience of adverse symptoms. METHODS Trans, trans-muconic acid (tt-MA) metabolites of benzene were analyzed from spot urine sampled among gasoline station workers after shift work using HPLC-UV. Air benzene monitoring was done with an active sampler connected to a charcoal sorbent tube, and analyzed by GC-FID. The health risk was calculated by using the biomatrix of the likelihood of benzene exposure and the severity of adverse symptoms. RESULTS The tt-MA concentration, among 235 workers, ranged from less than 10-2159 µg/g Cr, which corresponded to the air benzene concentration range of <0.1 to 65.8 ppb. In total, 32.3% of workers had a higher than acceptable risk level and there was a significant association between gasoline station work zones and the likelihood of benzene exposure as well as the health risk of workers. The health risk levels estimated from the biomarker monitoring were consistent with the risk matrix of air benzene monitoring. CONCLUSION This tt-MA biomarker monitoring and biomatrix of health risk assessment is suggested as useful for health surveillance of gasoline station workers exposed to benzene.
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Affiliation(s)
- Sunisa Chaiklieng
- Department of Environmental Health, Occupational Health and SafetyFaculty of Public HealthKhon Kaen UniversityKhon KaenThailand
| | - Pornnapa Suggaravetsiri
- Department of Epidemiology and BiostatisticsFaculty of Public HealthKhon Kaen UniversityKhon KaenThailand
| | - Herman Autrup
- Institute of Public HealthAarhus UniversityAarhusDenmark
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18
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Kim RE, Shin CY, Han SH, Kwon KJ. Astaxanthin Suppresses PM2.5-Induced Neuroinflammation by Regulating Akt Phosphorylation in BV-2 Microglial Cells. Int J Mol Sci 2020; 21:ijms21197227. [PMID: 33008094 PMCID: PMC7582569 DOI: 10.3390/ijms21197227] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Revised: 09/25/2020] [Accepted: 09/28/2020] [Indexed: 12/11/2022] Open
Abstract
Air pollution has become one of the most serious issues for human health and has been shown to be particularly concerning for neural and cognitive health. Recent studies suggest that fine particulate matter of less than 2.5 (PM2.5), common in air pollution, can reach the brain, potentially resulting in the development and acceleration of various neurological disorders including Alzheimer’s disease, Parkinson’s disease, and other forms of dementia, but the underlying pathological mechanisms are not clear. Astaxanthin is a red-colored phytonutrient carotenoid that has been known for anti-inflammatory and neuroprotective effects. In this study, we demonstrated that exposure to PM2.5 increases the neuroinflammation, the expression of proinflammatory M1, and disease-associated microglia (DAM) signature markers in microglial cells, and that treatment with astaxanthin can prevent the neurotoxic effects of this exposure through anti-inflammatory properties. Diesel particulate matter (Sigma-Aldrich) was used as a fine particulate matter 2.5 in the present study. Cultured rat glial cells and BV-2 microglial cells were treated with various concentrations of PM2.5, and then the expression of various inflammatory mediators and signaling pathways were measured using qRT-PCR and Western blot. Astaxanthin was then added and assayed as above to evaluate its effects on microglial changes, inflammation, and toxicity induced by PM2.5. PM2.5 increased the production of nitric oxide and reactive oxygen species and upregulated the transcription of various proinflammatory markers including Interleukin-1β (IL-1β), Interleukin-6 (IL-6), Tumor necrosis factor α (TNFα), inducible nitric oxide synthase (iNOS), triggering receptor expressed on myeloid cells 2 (TREM2), Toll-like receptor 2/4 (TLR2/4), and cyclooxygenase-2 (COX-2) in BV-2 microglial cells. However, the mRNA expression of IL-10 and arginase-1 decreased following PM2.5 treatment. PM2.5 treatment increased c-Jun N-terminal kinases (JNK) phosphorylation and decreased Akt phosphorylation. Astaxanthin attenuated these PM2.5-induced responses, reducing transcription of the proinflammatory markers iNOS and heme oxygenase-1 (HO-1), which prevented neuronal cell death. Our results indicate that PM2.5 exposure reformulates microglia via proinflammatory M1 and DAM phenotype, leading to neurotoxicity, and the fact that astaxanthin treatment can prevent neurotoxicity by inhibiting transition to the proinflammatory M1 and DAM phenotypes. These results demonstrate that PM2.5 exposure can induce brain damage through the change of proinflammatory M1 and DAM signatures in the microglial cells, as well as the fact that astaxanthin can have a potential beneficial effect on PM2.5 exposure of the brain.
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Affiliation(s)
- Ryeong-Eun Kim
- Department of Neuroscience, School of Medicine, Konkuk University, Seoul 05029, Korea; (R.-E.K.); (S.-H.H.)
| | - Chan Young Shin
- Department of Pharmacology, School of Medicine, Konkuk University, Seoul 05029, Korea;
| | - Seol-Heui Han
- Department of Neuroscience, School of Medicine, Konkuk University, Seoul 05029, Korea; (R.-E.K.); (S.-H.H.)
- Department of Neurology, Konkuk Hospital Medical Center, 120-1 Neungdong-ro, Gwangjin-Gu, Seoul 05030, Korea
| | - Kyoung Ja Kwon
- Department of Neuroscience, School of Medicine, Konkuk University, Seoul 05029, Korea; (R.-E.K.); (S.-H.H.)
- Department of Neurology, Konkuk Hospital Medical Center, 120-1 Neungdong-ro, Gwangjin-Gu, Seoul 05030, Korea
- Correspondence: ; Tel.: +82-2-454-5630; Fax: +82-2030-7899
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Freitas JS, Pereira TSB, Boscolo CNP, Garcia MN, de Oliveira Ribeiro CA, de Almeida EA. Oxidative stress, biotransformation enzymes and histopathological alterations in Nile tilapia (Oreochromis niloticus) exposed to new and used automotive lubricant oil. Comp Biochem Physiol C Toxicol Pharmacol 2020; 234:108770. [PMID: 32335231 DOI: 10.1016/j.cbpc.2020.108770] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/23/2020] [Revised: 04/02/2020] [Accepted: 04/18/2020] [Indexed: 10/24/2022]
Abstract
Lubricant oils are among oil-based products that are not fully consumed during its use, thereby producing non-biodegradable residues which can cause contamination of natural systems. This study evaluated the toxicity of new and used lubricating oil (0.01 and 0.1 mL L-1) in adult Nile tilapia (Oreochromis niloticus), by assessing the effects on oxidative stress, biotransformation enzymes (liver and gills), and histopathological alterations on hepatic and pancreatic tissues after 3 and 7 days of exposure. Results showed that 3-days exposure to 0.1 mL L-1 of used and new lubricating oil increased the activity of superoxide dismutase (SOD) and malondialdehyde (MDA) levels in liver of O. niloticus, respectively. In gills, catalase (CAT) was decreased in fish exposed to 0.1 mL L-1 of non-used oil after 3 days, but pronounced increases in CAT was detected after 7 days-exposure to both new and used oil. Shorter exposure to both concentrations of new and used oil also raised glutathione-S-transferase activity (GST) in gills. Ethoxyresorufin-O-deethylase (EROD) was induced in liver of fish exposed to 0.1 mL L-1of used oil after 3 and 7 days, however a reduced response of this enzyme was detected in gills of animals from both oil treatments. In vitro analysis showed that hepatic EROD was inhibited by lubricating oil exposures, with more pronounced responses in treatments containing used oil. Hepatic lesions, such as cytoplasmic vacuolization, nuclei abnormally, changes in hepatocytes shape, steatosis, cholestasis, eosinophilic inclusions and necrosis were mainly increased by 7 days exposure to used lubricating oil at higher concentration.
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Affiliation(s)
- Juliane Silberschmidt Freitas
- Department of Biology, Minas Gerais State University (UEMG), R. Ver. Geraldo Moisés da Silva, s/n - Universitário, 38302-192 Ituiutaba, MG, Brazil
| | - Thiago Scremin Boscolo Pereira
- UNIRP - University Center of Rio Preto, São José do Rio Preto, SP, Brazil; FACERES - Morfofunctional Laboratory, FACERES Medical School, São José do Rio Preto, SP, Brazil
| | | | - Mariana Navarro Garcia
- Department of Chemistry and Environmental Science, Universidade Estadual Paulista (IBILCE/UNESP), R. Critóvão Colombo, 2265, 15054-000 São José do Rio Preto, SP, Brazil
| | | | - Eduardo Alves de Almeida
- Department of Natural Sciences, Fundação Universidade Regional de Blumenau, Av. Antonio da Veiga 140, Itoupava Seca, 89030-903 Blumenau, Santa Catarina, Brazil.
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Garcia D, Lima D, da Silva DGH, de Almeida EA. Decreased malondialdehyde levels in fish (Astyanax altiparanae) exposed to diesel: Evidence of metabolism by aldehyde dehydrogenase in the liver and excretion in water. Ecotoxicol Environ Saf 2020; 190:110107. [PMID: 31901814 DOI: 10.1016/j.ecoenv.2019.110107] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/24/2019] [Revised: 12/07/2019] [Accepted: 12/18/2019] [Indexed: 06/10/2023]
Abstract
Increased malondialdehyde (MDA) levels are commonly considered an indicator of lipid peroxidation derived from oxidative stress insults promoted by exposure of fish to pollutants. However, a decrease in MDA levels after xenobiotic exposure has been also reported, an effect that is mostly attributed to enhanced antioxidant defenses. In this study, we assessed whether pollutant-mediated MDA decrease would be associated with antioxidant enhancement or with its metabolism by aldehyde dehydrogenase (ALDH) in the liver and gills of lambari (Astyanax altiparanae) exposed to diesel oil (0.001, 0.01, and 0.1 mL/L). MDA levels were decreased in the liver of lambari exposed to diesel. The activities of the antioxidant enzymes, catalase (CAT) and glutathione peroxidase (GPx), were unchanged in the liver, while that of glucose-6-phosphate dehydrogenase (G6PDH) was decreased. In contrast, levels of total glutathione (tGSH) and the activity of glutathione S-transferase (GST) were increased in the liver, which partly support antioxidant protection against lipid peroxidation. More importantly, ALDH activity increased in a concentration-dependent manner, being negatively correlated with MDA levels, indicating MDA metabolism by ALDH. In the gills, diesel exposure increased MDA and lipid hydroperoxide levels, and promoted increases in antioxidant defenses, indicating oxidative stress. Curiously, ALDH activity was undetectable in the gills, supporting the possibility of direct MDA excretion in the water by the gills. Analyses of MDA in the water revealed increased levels of MDA in the aquaria in which the fish were exposed to diesel, compared to control aquaria. A second experiment was carried out in which the fish were intraperitoneally injected with MDA (10 mg/kg) and analyzed after 1, 6, and 12 h. MDA injection caused a time-dependent decrease in hepatic MDA levels, did not alter ALDH, CAT, GPx, and GST activities, and decreased G6PDH activity and tGSH levels. In the gills, MDA injection caused a slight increase in MDA levels after 1 h, but did not alter GPx, G6PDH, and GST activities. MDA injection also enhanced CAT activity and tGSH levels in the gills. MDA concentration in water increased progressively after 1, 6, and 12 h, supporting the hypothesis of direct MDA excretion as an alternative route for MDA elimination in fish. Our results suggest that the decreased MDA levels after exposure of lambari to diesel oil pollutant probably reflects an association between enhanced antioxidant protection, MDA metabolism, and MDA excretion in water.
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Affiliation(s)
- Danielly Garcia
- UNESP - Sao Paulo State University, Department of Chemistry and Environmental Sciences, São Paulo, Brazil
| | - Daína Lima
- UFSC - Federal University of Santa Catarina, Department of Biochemistry, Florianópolis, SP, Brazil
| | | | - Eduardo Alves de Almeida
- FURB - Fundação Universidade Regional de Blumenau, Department of Natural Sciences, Blumenau, SC, Brazil.
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21
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G DP, Souza-Bastos LR, Giacomin M, Dolatto RG, Baika LM, Grassi MT, Ostrensky A, Wood CM. Acute exposure to the water-soluble fraction of gasoline (WSF G) affects oxygen consumption, nitrogenous-waste and Mg excretion, and activates anaerobic metabolism in the goldfish Carassius auratus. Comp Biochem Physiol C Toxicol Pharmacol 2019; 226:108590. [PMID: 31404698 DOI: 10.1016/j.cbpc.2019.108590] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/28/2019] [Revised: 07/26/2019] [Accepted: 08/08/2019] [Indexed: 10/26/2022]
Abstract
Contamination of aquatic environments by petroleum and its products (e.g. gasoline) is a hazard for aquatic organisms as a result of the potential toxicity of monocyclic aromatic hydrocarbons (BTEX) and polycyclic aromatic hydrocarbons (PAH). Our goal was to evaluate the acute effects of the water-soluble fraction of gasoline (WSFG) on nitrogen excretion, osmoregulation, and metabolism of goldfish Carassius auratus. We first chemically characterized the WSFG and then tested its effects on these physiological aspects of C. auratus, in several different exposure scenarios (0, 0.25, 5, 10 and 25% of WSFG). The WSFG contained high concentrations BTEX (toluene 70% and benzene 17%) relative to PAH (<1%), and low levels of several metals (Al, Fe, Zn, Sr). Routine O2 uptake rate (MO2) of goldfish was inhibited by exposure to 5% WSFG, and during post-exposure recovery, MO2 increased in a dose-dependent fashion. Ammonia excretion was not affected by exposure to WSFG, but urea-N excretion increased progressively with the WSFG concentration. The same pattern of dose/response was observed for net Mg2+ loss rates and steadily increasing plasma lactate concentrations. Loss rates of Na+, Ca2+, K+ and Cl-, and plasma concentrations of Mg2+ and urea-N were not significantly altered. We propose that acute exposure to WSFG inhibits aerobic metabolism and activates anaerobic metabolism, breaking down ATP such that bound Mg2+ is liberated and the purine ring component is metabolized to urea-N, both of which are subsequently excreted.
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Affiliation(s)
- Dal Pont G
- Integrated Group for Aquaculture and Environmental Studies, Dept. of Animal Science, Federal University of Paraná, Curitiba, P.R. 83035-050, Brazil; Programa de Pós-Graduação em Zootecnia, Universidade Federal do Paraná, Curitiba, PR ZIP 80035-050, Brazil; Department of Zoology, University of British Columbia, Vancouver, BC ZIP V6T 1Z4, Canada.
| | - Luciana Rodrigues Souza-Bastos
- Integrated Group for Aquaculture and Environmental Studies, Dept. of Animal Science, Federal University of Paraná, Curitiba, P.R. 83035-050, Brazil; Programa de Pós-Graduação em Zootecnia, Universidade Federal do Paraná, Curitiba, PR ZIP 80035-050, Brazil; Institute of Technology for Development - Lactec, Curitiba, PR ZIP 81531-980, Brazil.
| | - Marina Giacomin
- Department of Zoology, University of British Columbia, Vancouver, BC ZIP V6T 1Z4, Canada.
| | - Rafael Garrett Dolatto
- Grupo de Química Ambiental (GQA), Dept. of Chemistry, Federal University of Paraná, PO Box 19032, Curitiba, PR ZIP 81531-970, Brazil
| | - Loana Mara Baika
- Grupo de Química Ambiental (GQA), Dept. of Chemistry, Federal University of Paraná, PO Box 19032, Curitiba, PR ZIP 81531-970, Brazil
| | - Marco Tadeu Grassi
- Grupo de Química Ambiental (GQA), Dept. of Chemistry, Federal University of Paraná, PO Box 19032, Curitiba, PR ZIP 81531-970, Brazil.
| | - Antonio Ostrensky
- Integrated Group for Aquaculture and Environmental Studies, Dept. of Animal Science, Federal University of Paraná, Curitiba, P.R. 83035-050, Brazil.
| | - Chris M Wood
- Department of Zoology, University of British Columbia, Vancouver, BC ZIP V6T 1Z4, Canada.
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22
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Cariello Delunardo FA, Sadauskas-Henrique H, Fonseca de Almeida-Val VM, Val AL, Chippari-Gomes AR. Effects of water-accommodated fraction of diesel fuel on seahorse (Hippocampus reidi) biomarkers. Aquat Toxicol 2019; 217:105353. [PMID: 31734625 DOI: 10.1016/j.aquatox.2019.105353] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/15/2019] [Revised: 10/24/2019] [Accepted: 10/31/2019] [Indexed: 06/10/2023]
Abstract
The present work aimed to investigate the effects of acute (12, 24, 48 and 96 h) and subchronic (168 and 336 h) exposure of seahorse, Hippocampus reidi to water-accommodated fraction (WAF) of diesel fuel on biotransformation parameters, antioxidant defenses and DNA integrity. In addition, a recovery experiment was performed, where the organisms remained in absence of the contaminant for 336 h, after WAF exposure for 168 h (totaling 504 h). At the end of each experimental protocol, the concentration of pyrene-, benzo(a)pyrene- and naphthalene-type metabolites in bile, hepatic activity of glutathione-S-transferase (GST), superoxide dismutase (SOD), and catalase (CAT), as well as lipid peroxidation (LPO) levels in hepatocytes, were analyzed, in addition to the DNA damage and the micronucleus (MN) test in the peripheral blood. It was observed that both acute and subchronic WAF exposure affected the investigated parameters in different ways. In general, the exposed groups presented higher mean values for the investigated parameters if compared with their respective controls. After the recovery experiment, the mean values of PAH metabolites, LPO, DNA damage and MN frequency were significantly lower than those of animals exposed for 168 h, indicating that the recovery period was appropriately long for the evaluated biomarkers return to the control levels. The results indicated that the selected H. reidi biomarkers proved to be adequate and complementary tools in determining the first impacts of acute and subchronic exposure caused by WAF of diesel fuel in fish, as well as their recovery in clean water.
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Affiliation(s)
| | - Helen Sadauskas-Henrique
- Laboratory of Ecophysiology and Molecular Evolution, Brazilian National Institute for Research of the Amazon, André Araújo Avenue, 2936, Petrópolis, 69067-375, Manaus, AM, Brazil; Laboratory of Biology of Marine and Coastal Organisms (LABOMAC), Santa Cecília University (Unisanta), Oswaldo Cruz, 277, Boqueirão, 11045-907, Santos, SP, Brazil
| | - Vera Maria Fonseca de Almeida-Val
- Laboratory of Ecophysiology and Molecular Evolution, Brazilian National Institute for Research of the Amazon, André Araújo Avenue, 2936, Petrópolis, 69067-375, Manaus, AM, Brazil
| | - Adalberto Luis Val
- Laboratory of Ecophysiology and Molecular Evolution, Brazilian National Institute for Research of the Amazon, André Araújo Avenue, 2936, Petrópolis, 69067-375, Manaus, AM, Brazil
| | - Adriana Regina Chippari-Gomes
- Laboratory of Applied Ichthyology, Vila Velha University, Comissário José Dantas de Melo, 21, Boa Vista, 29102-770, Vila Velha, ES, Brazil.
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23
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Hadei M, Shahsavani A, Hopke PK, Kermani M, Yarahmadi M, Mahmoudi B. Comparative health risk assessment of in-vehicle exposure to formaldehyde and acetaldehyde for taxi drivers and passengers: Effects of zone, fuel, refueling, vehicle's age and model. Environ Pollut 2019; 254:112943. [PMID: 31394350 DOI: 10.1016/j.envpol.2019.07.111] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/04/2019] [Revised: 07/20/2019] [Accepted: 07/20/2019] [Indexed: 06/10/2023]
Abstract
This study aimed to assess the carcinogenic and non-carcinogenic risks of in-vehicle exposure in Tehran, Iran to formaldehyde and acetaldehyde for different models of taxis, and to explore the effects of city zone, taxi vehicle type, the taxi's age (<1, 1-5, 5-10), fuel type (gasoline, CNG, and LPG), and refueling activities on the estimated health risks based on previously measured concentrations. The overall and age-specific carcinogenic and non-carcinogenic risks of these compounds for taxi drivers and passengers were estimated separately using Monte Carlo simulations. Three scenarios of exposure frequency were defined for taxis commuting in different zones of city: Restricted Traffic Zone (RTZ) and Odd-Even Zone (OEZ) as two plans to reduce air pollution, and no-restriction zone (NRZ). The carcinogenic risks for drivers and passengers, the average risks of formaldehyde and acetaldehyde for most cases were above the 1 × 10-4. The health risks were greater in Restricted Traffic Zone (RTZ) and Odd-Even Zone (OEZ) in comparison to no-restriction zone (NRZ). The carcinogenic risk from formaldehyde exposures were higher than those for acetaldehyde in all cases. Taxis fueled with LPG showed lower cancer risks for both acetaldehyde and formaldehyde. Refueling increased the carcinogenic risk from both compounds. For non-carcinogenic risks from acetaldehyde, the average hazard ratios for both drivers and passengers were >1, indicating a non-negligible risk. Cancer and non-cancer risks for the taxi drivers were greater than the passengers given the higher time of occupancy. The present study showed that transportation in taxis can impose significant long-term health risks to both passengers and drivers. Development and investment in cleaner choices for public transportations are required.
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Affiliation(s)
- Mostafa Hadei
- Center for Air Pollution Research (CAPR), Institute for Environmental Research (IER), Tehran University of Medical Sciences, Tehran, Iran; Department of Environmental Health Engineering, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran; Students' Scientific Research Center (SSRC), Tehran University of Medical Sciences, Tehran, Iran
| | - Abbas Shahsavani
- Environmental and Occupational Hazards Control Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran; Prevention of Cardiovascular Diseases Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran; Department of Environmental Health Engineering, School of Public Health and Safety, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
| | - Philip K Hopke
- Department of Public Health Sciences, University of Rochester School of Medicine and Dentistry, Rochester, NY 14642, USA; Center for Air Resources Engineering and Science, Clarkson University, Potsdam, NY 13699, USA
| | - Majid Kermani
- Research Center for Environmental Health Technology, Iran University of Medical Sciences, Tehran, Iran
| | - Maryam Yarahmadi
- Environmental and Occupational Health Center, Ministry of Health and Medical Education, Tehran, Iran
| | - Babak Mahmoudi
- Department of Environmental Health Engineering, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
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24
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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. Environ Sci Pollut Res Int 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] [What about the content of this article? (0)] [Affiliation(s)] [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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Borowik A, Wyszkowska J, Kucharski M, Kucharski J. Implications of Soil Pollution with Diesel Oil and BP Petroleum with ACTIVE Technology for Soil Health. Int J Environ Res Public Health 2019; 16:E2474. [PMID: 31336741 PMCID: PMC6678237 DOI: 10.3390/ijerph16142474] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/08/2019] [Revised: 07/06/2019] [Accepted: 07/09/2019] [Indexed: 12/18/2022]
Abstract
Grass Elymus elongatus has a potential in phytoremediation and was used in this study in a potted experiment, which was performed to determine the effect of polluting soil (Eutric Cambisol) with diesel oil (DO) and unleaded petroleum (P) on the diversity of soil microorganisms, activity of soil enzymes, physicochemical properties of soil, and on the resistance of Elymus elongatus to DO and P, which altogether allowed evaluating soil health. Both petroleum products were administered in doses of 0 and 7 cm3 kg-1 soil d.m. Vegetation of Elymus elongatus spanned for 105 days. Grasses were harvested three times, i.e., on day 45, 75, and 105 of the experiment. The study results demonstrated a stronger toxic effect of DO than of P on the growth and development of Elymus elongatus. Diesel oil caused greater changes in soil microbiome compared to unleaded petroleum. This hypothesis was additionally confirmed by Shannon and Simpson indices computed based on operational taxonomic unit (OTU) abundance, whose values were the lowest in the DO-polluted soil. Soil pollution with DO reduced the counts of all bacterial taxa and stimulated the activity of soil enzymes, whereas soil pollution with P diminished the diversity of bacteria only at the phylum, class, order, and family levels, but significantly suppressed the enzymatic activity. More polycyclic aromatic hydrocarbons (PAHs) were degraded in the soil polluted with P compared to DO, which may be attributed to the stimulating effect of Elymus elongatus on this process, as it grew better in the soil polluted with P than in that polluted with DO.
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Affiliation(s)
- Agata Borowik
- Department of Microbiology, University of Warmia and Mazury in Olsztyn, 10-727 Olsztyn, Poland
| | - Jadwiga Wyszkowska
- Department of Microbiology, University of Warmia and Mazury in Olsztyn, 10-727 Olsztyn, Poland.
| | - Mirosław Kucharski
- Department of Microbiology, University of Warmia and Mazury in Olsztyn, 10-727 Olsztyn, Poland
| | - Jan Kucharski
- Department of Microbiology, University of Warmia and Mazury in Olsztyn, 10-727 Olsztyn, Poland
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Ahmadi Z, Moradabadi A, Abdollahdokht D, Mehrabani M, Nematollahi MH. Association of environmental exposure with hematological and oxidative stress alteration in gasoline station attendants. Environ Sci Pollut Res Int 2019; 26:20411-20417. [PMID: 31102212 DOI: 10.1007/s11356-019-05412-7] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/02/2018] [Accepted: 05/07/2019] [Indexed: 06/09/2023]
Abstract
Gasoline station attendants spend a great deal of their time in the direct exposure to noxious substances such as benzene and byproducts of gasoline combustion. Such occupational exposure increases the risk of oxidative stress. This study aimed to evaluate hematological and biochemical alterations among petrol station workers. Forty gas station attendants and 39 non-attendants were recruited as exposed and control subjects, respectively. Plasma samples were evaluated for hemoglobin, hematocrit, and red blood cell count via the Sysmex KX-21 analyzer. Then, oxidized hemoglobin, methemoglobin, and hemichrome were measured spectrophotometrically. Moreover, serum antioxidant capacity and protein oxidation were evaluated. The means ± SD of hemoglobin (16.76 ± 0.14 g/dl vs 15.25 ± 0.14 g/dl), hematocrit (49.11 ± 0.36% vs 45.37 ± 0.31%), RBC count (5.85 ± 0.06 mil/μl vs 5.33 ± 0.06 mil/μl), Met-HB (1.07 ± 0.07 g/dl vs 0.39 ± 0.04 g/dl), and hemichrome (0.80 ± 0.07 g/dl vs 0.37 ± 0.02 g/dl) in the exposed group were significantly greater than the control group (P < 0.001). The results of the independent-sample t test illustrated that the FRAP test value in the exposed group (0.23 ± 0.01 mM) was significantly lower than the control group (0.34 ± 0.01 mM), while the value of the plasma protein carbonyl test in the exposed group (7.47 ± 0.33 mmol/mg protein) was meaningfully greater than the control group (5.81 ± 0.19 mmol/mg protein) (P < 0.001). In conclusion, gas station attendants suffer from higher levels of oxidative stress, and they need to take antioxidants in order to minimize the effects of oxidative stress.
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Affiliation(s)
- Zahed Ahmadi
- Department of Occupational Health Engineering, School of Public Health, Kerman University of Medical Sciences, Kerman, Iran
| | - Alireza Moradabadi
- Hematology and blood banking, arak University of Medical Sciences, Arak, Iran
| | - Danial Abdollahdokht
- Neuroscience Research Center, Institute of Neuropharmacology, Kerman University of Medical Sciences, Kerman, Iran
| | - Mehrnaz Mehrabani
- Physiology Research Center, Institute of Basic and Clinical Physiology Sciences, Kerman University of Medical Sciences, Kerman, Iran
| | - Mohammad Hadi Nematollahi
- Neuroscience Research Center, Institute of Neuropharmacology, Kerman University of Medical Sciences, Kerman, Iran.
- Department of Biochemistry, School of Medicine, Kerman University of Medical Sciences, Kerman, Iran.
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Cruz JM, Corroqué NA, Montagnoli RN, Lopes PRM, Morales MAM, Bidoia ED. Comparative study of phytotoxicity and genotoxicity of soil contaminated with biodiesel, diesel fuel and petroleum. Ecotoxicology 2019; 28:449-456. [PMID: 30953255 DOI: 10.1007/s10646-019-02037-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 03/16/2019] [Indexed: 06/09/2023]
Abstract
The worldwide spillage of fossil fuels causes an ever-increasing environmental concern due to their resistance to biodegradation and toxicity. The diesel fuel is one of the derivative forms of petroleum that is widely used in the world. Its composition has many aromatic compounds and long hydrocarbons chains, both persistent and hazardous, thus requiring complex microbial dynamics to achieve full biodegradation. At this point, biodiesel has advantages because it is produced from renewable sources. It also has a relatively fast biodegradation. Biodiesel formulation chemically varies according to the raw material used for its production. While vegetable oils tend to have homogeneous proportions of linoleic and oleic fatty acids, animal fats have an heterogeneous distribution of stearic, palmitic and oleic fatty acids. As some studies have already detected the toxic potential of biodiesel from vegetable oil, this study sought information on the phytotoxic and genotoxic potential of animal fat-based biodiesel and compare it with fossil fuel as diesel fuel and crude petroleum. The impacts on the microbial activity of soils contaminated with biodiesel, diesel fuel and crude petroleum were performed by the dehydrogenase activity. Phytotoxicity tests were performed with Eruca sativa seeds and genotoxicity bioassays with Allium cepa seeds. The results showed a rapid assimilation of biodiesel by the autochthonous soil microorganisms. Soil contaminated with either diesel or crude petroleum inhibited the root and hypocotyl elongation of E. sativa. Overall, petroleum contaminated soils showed higher genotoxic potential. Biodiesel from animal fat was rapidly assimilated by soil microorganisms and did not present significant phytotoxic or genotoxic potential, but significantly reduced the mitotic index of A. cepa roots. Our results showed that biodiesel from animal fat have rapid biodegradability. Biodiesel also led to less impacts during seed development and lower genotoxic potential when compared to crude petroleum and diesel fuel. In addition, biodiesel from animal fat does not present the same toxicity demonstrated by biodiesel from soybean-based biodiesel described in current literature.
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Affiliation(s)
- Jaqueline Matos Cruz
- Department of Biochemistry and Microbiology, São Paulo State University (UNESP) Institute of Biosciences, Av. 24A, 1515, Rio Claro, SP, 13506-900, Brazil
| | - Nádia Aline Corroqué
- Institute of Biosciences, São Paulo State University (UNESP), Av. 24A, 1515, Rio Claro, SP, 13506-900, Brazil
| | | | - Paulo Renato Matos Lopes
- College of Agricultural and Technological Sciences, São Paulo State University (UNESP), Rodovia Comandante João Ribeiro de Barros, km 651, Dracena, SP, Brazil
| | | | - Ederio Dino Bidoia
- Department of Biochemistry and Microbiology, São Paulo State University (UNESP) Institute of Biosciences, Av. 24A, 1515, Rio Claro, SP, 13506-900, Brazil.
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28
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Müller JB, Melegari SP, Perreault F, Matias WG. Comparative assessment of acute and chronic ecotoxicity of water soluble fractions of diesel and biodiesel on Daphnia magna and Aliivibrio fischeri. Chemosphere 2019; 221:640-646. [PMID: 30669109 DOI: 10.1016/j.chemosphere.2019.01.069] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/16/2018] [Revised: 01/08/2019] [Accepted: 01/09/2019] [Indexed: 06/09/2023]
Abstract
The widespread use of diesel as a transportation fuel and the introduction of biodiesel into the world energy matrix increase the likelihood of aquatic contamination with these fuels. In this case, it is important to know the environmental impacts caused by water-soluble fraction (WSF) of these fuels, since it is the portion that can result in long-term impacts and affect regions far away from the location of a spill. Therefore, we evaluated and compared the aquatic ecotoxicity of the WSF of biodiesel and diesel through acute ecotoxicity tests with the aquatic microcrustacean Daphnia magna and the marine bacteria Aliivibrio fischeri, as well as chronic ecotoxicity tests with D. magna. The WSF of diesel was 2.5-4 folds more toxic than the WSF of biodiesel in acute ecotoxicity tests. Similarly, a comparison of the chronic ecotoxicity demonstrated that the WSF of diesel was more toxic than the WSF of biodiesel. WSF of diesel causes chronic effects on reproduction, longevity and growth of D. magna (NOEC was 12.5, 12.5, 6.25%, respectively), while WSF of biodiesel did not present significantly different results compared to the control for any of the parameters evaluated in any of the dilutions tested (NOEC> 25%). To the best of our knowledge, this is the first study that compares the chronic ecotoxicity of WSF of diesel and biodiesel on D. magna.
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Affiliation(s)
- Juliana Braun Müller
- Federal University of Santa Catarina, Department of Sanitary and Environmental Engineering, Florianópolis, Santa Catarina, Brazil.
| | | | - François Perreault
- School of Sustainable Engineering and the Built Environment, Arizona State University, Tempe, AZ, USA.
| | - William Gerson Matias
- Federal University of Santa Catarina, Department of Sanitary and Environmental Engineering, Florianópolis, Santa Catarina, Brazil.
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Vogel CFA, Kado SY, Kobayashi R, Liu X, Wong P, Na K, Durbin T, Okamoto RA, Kado NY. Inflammatory marker and aryl hydrocarbon receptor-dependent responses in human macrophages exposed to emissions from biodiesel fuels. Chemosphere 2019; 220:993-1002. [PMID: 31543100 PMCID: PMC6858841 DOI: 10.1016/j.chemosphere.2018.12.178] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/14/2018] [Revised: 11/28/2018] [Accepted: 12/23/2018] [Indexed: 05/27/2023]
Abstract
Biodiesel or renewable diesel fuels are alternative fuels produced from vegetable oil and animal tallow that are being considered to help reduce the use of petroleum-based fuels and emissions of air pollutants including greenhouse gases. Here, we analyzed the gene expression of inflammatory marker responses and the cytochrome P450 1A1 (CYP1A1) enzyme after exposure to diesel and biodiesel emission samples generated from an in-use heavy-duty diesel vehicle. Particulate emission samples from petroleum-based California Air Resource Board (CARB)-certified ultralow sulfur diesel (CARB ULSD), biodiesel, and renewable hydro-treated diesel all induced inflammatory markers such as cyclooxygenase-2 (COX)-2 and interleukin (IL)-8 in human U937-derived macrophages and the expression of the xenobiotic metabolizing enzyme CYP1A1. Furthermore, the results indicate that the particle emissions from CARB ULSD and the alternative diesel fuel blends activate the aryl hydrocarbon receptor (AhR) and induce CYP1A1 in a dose- and AhR-dependent manner which was supported by the AhR luciferase reporter assay and gel shift analysis. Based on a per mile emissions with the model year 2000 heavy duty vehicle tested, the effects of the alternative diesel fuel blends emissions on the expression on inflammatory markers like IL-8 and COX-2 tend to be lower than emission samples derived from CARB ULSD fuel. The results will help to assess the potential benefits and toxicity from biofuel use as alternative fuels in modern technology diesel engines.
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Affiliation(s)
- Christoph Franz Adam Vogel
- Department of Environmental Toxicology, USA; Center for Health and the Environment, University of California, Davis, USA.
| | - Sarah Y Kado
- Center for Health and the Environment, University of California, Davis, USA
| | | | | | - Patrick Wong
- Department of Environmental Toxicology, USA; Environmental Protection Agency, Air Resources Board, Sacramento, CA, USA
| | - Kwangsam Na
- Environmental Protection Agency, Air Resources Board, Sacramento, CA, USA
| | | | - Robert A Okamoto
- Environmental Protection Agency, Air Resources Board, Sacramento, CA, USA
| | - Norman Y Kado
- Department of Environmental Toxicology, USA; Center for Health and the Environment, University of California, Davis, USA; Environmental Protection Agency, Air Resources Board, Sacramento, CA, USA
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Bęś A, Warmiński K, Adomas B. Long-term responses of Scots pine (Pinus sylvestris L.) and European beech (Fagus sylvatica L.) to the contamination of light soils with diesel oil. Environ Sci Pollut Res Int 2019; 26:10587-10608. [PMID: 30762180 PMCID: PMC6469826 DOI: 10.1007/s11356-019-04328-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/23/2018] [Accepted: 01/22/2019] [Indexed: 06/09/2023]
Abstract
Research into trees plays a very important role in evaluations of soil contamination with diesel oil. Trees are ideal for reclaiming contaminated soils because their large biomass renders them more resistant to higher concentrations of pollutants. In the literature, there is a general scarcity of long-term studies performed on trees, in particular European beeches. The aim of this study was to evaluate the responses of Scots pines and European beeches grown for 8 years on soil contaminated with diesel oil. Selected morphological and physiological parameters of trees were analyzed. The biomass yield of Scots pines was not significantly correlated with increasing concentrations of diesel oil, but it was more than 700% higher than in European beeches. Scots pines were taller and had a larger stem diameter than European beeches during the 8-year study. The diameter of trees grown on the most contaminated soil was reduced 1.5-fold in Scots pines and more than twofold in European beeches. The length of Scots pine needles from the most contaminated treatment decreased by 50% relative to control needles. The shortest needles were heaviest. The fluctuating asymmetry (FA) of needle length was highest in Scots pines grown on the most contaminated soil, whereas the reverse was noted in the FA of needle weight. Diesel oil decreased the concentrations of chlorophylls a and b, total chlorophyll, and carotenoids. The Fv/Fm ratio of needles and leaves was influenced by the tested concentrations of diesel oil. The results of the study indicate that the Scots pine better adapts (grows more rapidly and produces higher biomass) to long-term soil contamination with diesel oil than the European beech. In European beeches, growth inhibition and leaf discoloration (a decrease in chlorophyll content) were observed already after the first year of the experiment, which indicates that 1-year-old seedlings of European beech are robust bioindicators of soil contamination with diesel oil.
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Affiliation(s)
- Agnieszka Bęś
- Department of Chemistry, Research Group of Environmental Toxicology, Faculty of Environmental Management and Agriculture, University of Warmia and Mazury in Olsztyn, ul. Prawocheńskiego 17, 10-720, Olsztyn, Poland.
| | - Kazimierz Warmiński
- Department of Chemistry, Research Group of Environmental Toxicology, Faculty of Environmental Management and Agriculture, University of Warmia and Mazury in Olsztyn, ul. Prawocheńskiego 17, 10-720, Olsztyn, Poland
| | - Barbara Adomas
- Department of Chemistry, Research Group of Environmental Toxicology, Faculty of Environmental Management and Agriculture, University of Warmia and Mazury in Olsztyn, ul. Prawocheńskiego 17, 10-720, Olsztyn, Poland
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31
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Abdrabouh AE. Liver disorders related to exposure to gasoline fumes in male rats and role of fenugreek seed supplementation. Environ Sci Pollut Res Int 2019; 26:8949-8957. [PMID: 30719662 DOI: 10.1007/s11356-019-04307-x] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/13/2018] [Accepted: 01/22/2019] [Indexed: 06/09/2023]
Abstract
Progressive effects of inhalation of gasoline fumes on the liver and the protective potential with fenugreek seed supplementation were evaluated in adult male rats. Twenty-four rats were divided into four groups, unexposed control and fenugreek groups, as well as exposed groups to gasoline fumes for 6 h/6 days/week for 10 weeks, with and without supplementation of fenugreek seed powder in food (5%w/w). Exposure to gasoline fumes resulted in a significant elevation in serum alanine aminotransferase, aspartate aminotransferase, alkaline phosphatase, gamma-glutamyl transferase, total bilirubin, total cholesterol, total triglycerides, and low-density lipoprotein, along with a significant decrease in high-density lipoprotein, total protein, and albumin contents compared to the control. Meanwhile, liver oxidative stress markers, malondialdehyde, hydrogen peroxide, and nitric oxide, were highly detected with decreased antioxidants, superoxide dismutase and catalase. Also, levels of inflammatory markers, interleukin(IL)-1β and IL-6, were significantly elevated with fibrotic markers, transforming growth factor (TGFβ1), fibroblast growth factor (FGF1), and collagen I. Histopathological studies illustrated that rats exposed to gasoline fumes have degenerated hepatocytes with cellular infiltration and necrotic areas, along with remarkable deposition of collagen fibers, suggesting an incidence of liver fibrosis. Administration of fenugreek seeds, rich with antioxidant and anti-inflammatory components, during gasoline exposure showed significant amelioration through suppressing oxidative stress and inflammation.
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Affiliation(s)
- Abeer E Abdrabouh
- Zoology Department, Faculty of Science, Mansoura University, Mansoura, Egypt.
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Placencia F, Fadic X, Yáñez K, Cereceda-Balic F. Tradescantia as a biomonitor for genotoxicity evaluation of diesel and biodiesel exhaust emissions. Sci Total Environ 2019; 651:2597-2605. [PMID: 30340194 DOI: 10.1016/j.scitotenv.2018.10.009] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/27/2018] [Revised: 08/31/2018] [Accepted: 10/01/2018] [Indexed: 06/08/2023]
Abstract
Biodiesel, an alternative energy source, is promoted as cleaner and safer than other fuel options due to its reported reduction of particulate and gaseous emissions (CO2, CO, and total hydrocarbons). However, its volatile organic compounds (VOCs) and polycyclic aromatic hydrocarbon (PAHs) emissions are key to understanding its toxic, mutagenic and carcinogenic risk factors. This research was developed to assess the genotoxic impact of exhaust emissions using biodiesel from animal fat, palm oil and soybean oil blended with diesel (B80). Diluted exhaust gases were analyzed simultaneously for pollutant emissions and for toxicity using an exposure chamber called the BioToxMonitor, where Tradescantia pallida and a KU-20 clone were exposed to exhaust following Trad-MCN and Trad-SH bioassays. The results show differences in the emission compositions and considerable mutagenic potential among the three biodiesels tested, with palm oil biodiesel emissions being the least harmful, based on its low pollutant concentrations and the negative response in the TradSH bioassay. In contrast, the animal fat biodiesel and soybean oil biodiesel emissions were as toxic as the diesel emissions, being positive in both Trad bioassays. This could be related to the PAH and carbonyl concentrations found in the vehicular exhaust. The genotoxicity of diesel emissions was related to PM1 and the concentrations of both gas and particle PAHs concentrations, which were two times higher compared to the highest concentrations observed for biodiesel. The data suggest that micronucleus assays in Tradescantia pallida are more sensitive for gaseous pollutant exposure. This is the first reported study of biodiesel exhaust biomonitoring in situ and under controlled conditions inside an exposure chamber.
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Affiliation(s)
- Fabián Placencia
- Centre for Environmental Technologies (CETAM), Universidad Técnica Federico Santa María (UTFSM), Av. España 1680, Valparaíso, Chile; Department of Chemistry, Universidad Técnica Federico Santa María, Av. España 1680, Valparaíso, Chile
| | - Ximena Fadic
- Centre for Environmental Technologies (CETAM), Universidad Técnica Federico Santa María (UTFSM), Av. España 1680, Valparaíso, Chile.
| | - Karen Yáñez
- Centre for Environmental Technologies (CETAM), Universidad Técnica Federico Santa María (UTFSM), Av. España 1680, Valparaíso, Chile.
| | - Francisco Cereceda-Balic
- Centre for Environmental Technologies (CETAM), Universidad Técnica Federico Santa María (UTFSM), Av. España 1680, Valparaíso, Chile; Department of Chemistry, Universidad Técnica Federico Santa María, Av. España 1680, Valparaíso, Chile.
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Vieira KCDMT, Fernandes AÁ, Silva KM, Pereira VR, Pereira DR, Favareto APA. Experimental exposure to gasohol impairs sperm quality with recognition of the classification pattern of exposure groups by machine learning algorithms. Environ Sci Pollut Res Int 2019; 26:3921-3931. [PMID: 30547336 DOI: 10.1007/s11356-018-3901-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/25/2018] [Accepted: 12/04/2018] [Indexed: 06/09/2023]
Abstract
Contamination caused by leakage at gas stations leads to possible exposure of the general population when in contact with contaminated water and soil. The present study aimed to evaluate the reproductive effects of exposure of adult male rats to gasohol and evaluate the performance of machine learning (ML) algorithms for pattern recognition and classification of the exposure groups. Rats were orally exposed to 0 (control), 16 (EA), 160 (EB), or 800 mg kg-1 bw day-1 of gasohol (EC), for 30 consecutive days. Sperm quality of the groups exposed to two higher doses was reduced in comparison to the control group. The sperm parameters decreased were: daily sperm production, sperm number in the caput/corpus epididymis, progressive motility, mitochondrial activity, and acrosomal membrane integrity. Sperm transit time in the epididymis cauda and sperm isolated head were increased in EB and EC. Sertoli cells number was decreased in these groups, but their support capacity was maintained. ML methods were used to identify patterns between samples of control and exposure groups. The results obtained by ML methods were very promising, obtaining about 90% of accuracy. It was concluded that the exposure of rats to different doses of gasohol impair spermatogenesis and sperm quality, with a recognizable classification pattern of exposure groups at ML.
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Affiliation(s)
| | - Andressa Ágata Fernandes
- College of Science, Letters and Education from Presidente Prudente - FACLEPP, University of Western São Paulo - UNOESTE, Presidente Prudente, SP, Brazil
| | - Karina Martins Silva
- College of Science, Letters and Education from Presidente Prudente - FACLEPP, University of Western São Paulo - UNOESTE, Presidente Prudente, SP, Brazil
| | - Viviane Ribas Pereira
- Graduate Program in Environment and Regional Development, University of Western São Paulo - UNOESTE, Presidente Prudente, SP, 19067-175, Brazil
| | - Danillo Roberto Pereira
- Graduate Program in Environment and Regional Development, University of Western São Paulo - UNOESTE, Presidente Prudente, SP, 19067-175, Brazil
| | - Ana Paula Alves Favareto
- Graduate Program in Environment and Regional Development, University of Western São Paulo - UNOESTE, Presidente Prudente, SP, 19067-175, Brazil.
- College of Science, Letters and Education from Presidente Prudente - FACLEPP, University of Western São Paulo - UNOESTE, Presidente Prudente, SP, Brazil.
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Barbosa DB, Mello ADA, Allodi S, de Barros CM. Acute exposure to water-soluble fractions of marine diesel oil: Evaluation of apoptosis and oxidative stress in an ascidian. Chemosphere 2018; 211:308-315. [PMID: 30077111 DOI: 10.1016/j.chemosphere.2018.07.138] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/23/2018] [Revised: 07/12/2018] [Accepted: 07/23/2018] [Indexed: 06/08/2023]
Abstract
To understand the mechanisms involved in organisms' responses to toxicity from oil pollution, we studied the effect of acute exposure (24 h) to the marine water-soluble fraction of diesel oil (WFDO) on the ascidian Styela plicata. We evaluated the mortality and behavior by means of the siphon reflex, and the response of blood cells (hemocytes) contained in the pharynx, by means of the production of nitric oxide (NO) and reactive oxygen species (ROS), in addition to the activity of the antioxidant enzyme catalase (CAT). We also correlated oxidative stress with the activation of apoptotic pathways. No mortality occurred 24 h after the ascidians were exposed to 5% and 10% marine WFDO; however, the siphon reflex, a behavioral test based on the time that the animals took to close their siphons, increased. We also observed an inflammatory response, as estimated by the increase in the number of hemocytes in the pharynx. NO and ROS production and CAT activity were reduced, whereas caspase-3, a signaling molecule involved in apoptosis, was activated. This suggests that in ascidians acutely exposed to oil, another mechanism can occur in addition to oxidative stress. Another possibility is that WFDO may directly interact with cellular macromolecules and activate caspase-3, independently of generating oxidative stress. The results showed that components of diesel oil affected a marine organism, which showed reduced ROS production in the pharynx cells, including hemocytes, and activation of apoptotic pathways.
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Affiliation(s)
- Danilo Barreto Barbosa
- Laboratório Integrado de Morfologia, Núcleo em Ecologia e Desenvolvimento Sócio Ambiental de Macaé, NUPEM, Universidade Federal do Rio de Janeiro, Campus UFRJ, Macaé, RJ, Brazil; Programa de Pós-graduação em Ciências Ambientais e Conservação, NUPEM, UFRJ, Macaé, RJ, Brazil
| | - Andressa de Abreu Mello
- Laboratório Integrado de Morfologia, Núcleo em Ecologia e Desenvolvimento Sócio Ambiental de Macaé, NUPEM, Universidade Federal do Rio de Janeiro, Campus UFRJ, Macaé, RJ, Brazil; Laboratório de Neurobiologia Comparativa e do Desenvolvimento, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, UFRJ, Rio de Janeiro, RJ, Brazil; Programa de Pós-graduação em Ciências Biológicas, Biofísica, UFRJ, Rio de Janeiro, RJ, Brazil
| | - Silvana Allodi
- Laboratório de Neurobiologia Comparativa e do Desenvolvimento, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, UFRJ, Rio de Janeiro, RJ, Brazil; Programa de Pós-graduação em Ciências Biológicas, Biofísica, UFRJ, Rio de Janeiro, RJ, Brazil
| | - Cintia Monteiro de Barros
- Laboratório Integrado de Morfologia, Núcleo em Ecologia e Desenvolvimento Sócio Ambiental de Macaé, NUPEM, Universidade Federal do Rio de Janeiro, Campus UFRJ, Macaé, RJ, Brazil; Programa de Pós-graduação em Ciências Ambientais e Conservação, NUPEM, UFRJ, Macaé, RJ, Brazil.
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Pereira TM, Merçon J, Passos LS, Coppo GC, Lopes TOM, Cabral DS, Scherer R, Chippari-Gomes AR. Effects of the water-soluble fraction of diesel oil (WSD) on the fertilization and development of a sea urchin (Echinometra lucunter). Ecotoxicol Environ Saf 2018; 162:59-62. [PMID: 29960915 DOI: 10.1016/j.ecoenv.2018.06.040] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/19/2017] [Revised: 06/12/2018] [Accepted: 06/13/2018] [Indexed: 06/08/2023]
Abstract
Considering the high number of accidents with diesel oil spills occurring in the marine ecosystem, toxicity tests aimed at assessing the effects of this pollutant on biota are necessary and urgent. Thus, the present study aimed to evaluate the toxicity of the soluble fraction of diesel oil (WSD) in the fertilization success of gametes and pluteu larvae of the sea urchin Echinometra lucunter. To do this, gametes and embryos were exposed to concentrations of 0% (control group), 0.5%, 1.5% and 2.5% of WSD. The fertilization success of exposed gametes and embryos were reduced significantly when compared to the control group in all tested concentrations. With this finding, it is evident that diesel oil can be significantly promoted in the early and adult life stages of a particular organism, and a better way of evaluating this toxicity is through the analysis of contaminant effects throughout the reproductive cycle of a species.
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Affiliation(s)
- Tatiana Miura Pereira
- Universidade Vila Velha - UVV, Laboratório de Ictiologia Aplicada (LAB PEIXE), Avenida Comissário José Dantas de Melo n° 21, Boa Vista 29102-770, Vila Velha, ES, Brazil
| | - Julia Merçon
- Universidade Vila Velha - UVV, Laboratório de Ictiologia Aplicada (LAB PEIXE), Avenida Comissário José Dantas de Melo n° 21, Boa Vista 29102-770, Vila Velha, ES, Brazil
| | - Larissa Souza Passos
- Universidade Vila Velha - UVV, Laboratório de Ictiologia Aplicada (LAB PEIXE), Avenida Comissário José Dantas de Melo n° 21, Boa Vista 29102-770, Vila Velha, ES, Brazil
| | - Gabriel Carvalho Coppo
- Universidade Vila Velha - UVV, Laboratório de Ictiologia Aplicada (LAB PEIXE), Avenida Comissário José Dantas de Melo n° 21, Boa Vista 29102-770, Vila Velha, ES, Brazil
| | - Taciana Onesorge Miranda Lopes
- Universidade Vila Velha - UVV, Laboratório de Ictiologia Aplicada (LAB PEIXE), Avenida Comissário José Dantas de Melo n° 21, Boa Vista 29102-770, Vila Velha, ES, Brazil
| | - Dandara Silva Cabral
- Universidade Vila Velha - UVV, Laboratório de Ictiologia Aplicada (LAB PEIXE), Avenida Comissário José Dantas de Melo n° 21, Boa Vista 29102-770, Vila Velha, ES, Brazil
| | - Rodrigo Scherer
- Universidade Vila Velha - UVV, Pós Graduação em Ciências Farmacêuticas, Avenida Comissário José Dantas de Melo n° 21, Boa Vista 29102-770, Vila Velha, ES, Brazil
| | - Adriana Regina Chippari-Gomes
- Universidade Vila Velha - UVV, Laboratório de Ictiologia Aplicada (LAB PEIXE), Avenida Comissário José Dantas de Melo n° 21, Boa Vista 29102-770, Vila Velha, ES, Brazil.
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Müller GDAES, Lüchmann KH, Razzera G, Toledo-Silva G, Bebianno MJ, Marques MRF, Bainy ACD. Proteomic response of gill microsomes of Crassostrea brasiliana exposed to diesel fuel water-accommodated fraction. Aquat Toxicol 2018; 201:109-118. [PMID: 29906693 DOI: 10.1016/j.aquatox.2018.06.001] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/03/2017] [Revised: 05/28/2018] [Accepted: 06/04/2018] [Indexed: 06/08/2023]
Abstract
Diesel fuel water-accommodated fraction (diesel-WAF) is a complex mixture of organic compounds that may cause harmful effects to marine invertebrates. Expression of microsomal proteins can be changed by oil exposure, causing functional alterations in endoplasmic reticulum (ER). The aim of this study was to investigate changes in protein expression signatures in microsomes of oysterl Crassostrea brasiliana (=C.gasar) gill after exposure to 10% diesel-WAF for 24 and 72 h. Protein expression signatures of gills of oysters exposed to diesel-WAF were compared to those of unexposed oysters using two-dimensional electrophoresis (2-DE) to identify differentially expressed proteins. A total of 458 protein spots with molecular weights between 30-75 kDa were detected by 2-DE in six replicates of exposed oyster proteomes compared to unexposed ones. Fourteen differentially expressed proteins (six up-regulated and eight down-regulated) were identified. They are: proteins related to xenobiotic biotransformation (cytochrome P450 6 A, NADPH-cytochrome P450 reductase); cytoskeleton (α-tubulin, β-tubulin, gelsolin); processing and degradation of proteins pathways (thioredoxin domain-containing protein E3 ubiquitin-protein ligase MIB2); involved in the biosynthesis of glycolipids and glycoproteins (beta-1,3-galactosyltransferase 1); associated with stress responses (glutamate receptor 4 and 14-3-3 protein zeta, corticotropin-releasing factor-binding protein); plasmalogen biosynthesis (fatty acyl-CoA reductase 1), and sodium-and chloride-dependent glycine transporter 2 and glyoxylate reductase/hydroxypyruvate reductase. Different patterns of protein responses were observed between 24 and 72 h-exposed groups. Expression pattern of microsomal proteins provided a first insight on the potential diesel-WAF effects at protein level in microsomal fraction of oyster gills and indicated new potential biomarkers of exposure and effect. The present work can be a basis for future ecotoxicological studies in oysters aiming to elucidate the molecular mechanisms behind diesel-WAF toxicity and for environmental monitoring programs.
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Affiliation(s)
- Gabrielle do Amaral E Silva Müller
- Laboratory of Biomarkers of Aquatic Contamination and Immunochemistry - LABCAI, Biochemistry Department, Federal University of Santa Catarina, Florianópolis 88040-900, Brazil
| | - Karim Hahn Lüchmann
- Laboratory of Biochemistry and Molecular Biology - LBBM, Fishery Engineering Department, Santa Catarina State University, Laguna, 88790-000, Brazil
| | - Guilherme Razzera
- Laboratory of Biomarkers of Aquatic Contamination and Immunochemistry - LABCAI, Biochemistry Department, Federal University of Santa Catarina, Florianópolis 88040-900, Brazil
| | - Guilherme Toledo-Silva
- Laboratory of Biomarkers of Aquatic Contamination and Immunochemistry - LABCAI, Biochemistry Department, Federal University of Santa Catarina, Florianópolis 88040-900, Brazil
| | - Maria João Bebianno
- Laboratory of Biomarkers of Aquatic Contamination and Immunochemistry - LABCAI, Biochemistry Department, Federal University of Santa Catarina, Florianópolis 88040-900, Brazil; Centre of Marine and Environmental Research (CIMA), University of Algarve, Campus de Gambelas, 8000-139 Faro, Portugal
| | - Maria Risoleta Freire Marques
- Laboratory of Biomarkers of Aquatic Contamination and Immunochemistry - LABCAI, Biochemistry Department, Federal University of Santa Catarina, Florianópolis 88040-900, Brazil
| | - Afonso Celso Dias Bainy
- Laboratory of Biomarkers of Aquatic Contamination and Immunochemistry - LABCAI, Biochemistry Department, Federal University of Santa Catarina, Florianópolis 88040-900, Brazil.
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Tomašek I, Horwell CJ, Bisig C, Damby DE, Comte P, Czerwinski J, Petri-Fink A, Clift MJD, Drasler B, Rothen-Rutishauser B. Respiratory hazard assessment of combined exposure to complete gasoline exhaust and respirable volcanic ash in a multicellular human lung model at the air-liquid interface. Environ Pollut 2018; 238:977-987. [PMID: 29455917 DOI: 10.1016/j.envpol.2018.01.115] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/01/2017] [Revised: 01/29/2018] [Accepted: 01/31/2018] [Indexed: 06/08/2023]
Abstract
Communities resident in urban areas located near active volcanoes can experience volcanic ash exposures during, and following, an eruption, in addition to sustained exposures to high concentrations of anthropogenic air pollutants (e.g., vehicle exhaust emissions). Inhalation of anthropogenic pollution is known to cause the onset of, or exacerbate, respiratory and cardiovascular diseases. It is further postulated similar exposure to volcanic ash can also affect such disease states. Understanding of the impact of combined exposure of volcanic ash and anthropogenic pollution to human health, however, remains limited. The aim of this study was to assess the biological impact of combined exposure to respirable volcanic ash (from Soufrière Hills volcano (SHV), Montserrat and Chaitén volcano (ChV), Chile; representing different magmatic compositions and eruption styles) and freshly-generated complete exhaust from a gasoline vehicle. A multicellular human lung model (an epithelial cell-layer composed of A549 alveolar type II-like cells complemented with human blood monocyte-derived macrophages and dendritic cells cultured at the air-liquid interface) was exposed to diluted exhaust (1:10) continuously for 6 h, followed by immediate exposure to the ash as a dry powder (0.54 ± 0.19 μg/cm2 and 0.39 ± 0.09 μg/cm2 for SHV and ChV ash, respectively). After an 18 h incubation, cells were exposed again for 6 h to diluted exhaust, and a final 18 h incubation (at 37 °C and 5% CO2). Cell cultures were then assessed for cytotoxic, oxidative stress and (pro-)inflammatory responses. Results indicate that, at all tested (sub-lethal) concentrations, co-exposures with both ash samples induced no significant expression of genes associated with oxidative stress (HMOX1, NQO1) or production of (pro-)inflammatory markers (IL-1β, IL-8, TNF-α) at the gene and protein levels. In summary, considering the employed experimental conditions, combined exposure of volcanic ash and gasoline vehicle exhaust has a limited short-term biological impact to an advanced lung cell in vitro model.
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Affiliation(s)
- Ines Tomašek
- Institute of Hazard, Risk & Resilience, Department of Earth Sciences, Durham University, Science Labs, Durham, DH1 3LE, United Kingdom; BioNanomaterials group, Adolphe Merkle Institute, University of Fribourg, Chemin des Verdiers 4, 1700, Fribourg, Switzerland.
| | - Claire J Horwell
- Institute of Hazard, Risk & Resilience, Department of Earth Sciences, Durham University, Science Labs, Durham, DH1 3LE, United Kingdom.
| | - Christoph Bisig
- BioNanomaterials group, Adolphe Merkle Institute, University of Fribourg, Chemin des Verdiers 4, 1700, Fribourg, Switzerland.
| | - David E Damby
- Volcano Science Center, United States Geological Survey, Menlo Park, CA, 94025, United States.
| | - Pierre Comte
- Laboratory for IC-Engines and Exhaust Emission Control, Bern University for Applied Sciences, Gwerdtstrasse 25, 2560, Nidau, Switzerland.
| | - Jan Czerwinski
- Laboratory for IC-Engines and Exhaust Emission Control, Bern University for Applied Sciences, Gwerdtstrasse 25, 2560, Nidau, Switzerland.
| | - Alke Petri-Fink
- BioNanomaterials group, Adolphe Merkle Institute, University of Fribourg, Chemin des Verdiers 4, 1700, Fribourg, Switzerland; Chemistry Department, University of Fribourg, Chemin des Musee, 1700, Fribourg, Switzerland.
| | - Martin J D Clift
- In Vitro Toxicology Group, Swansea University Medical School, Singleton Park Campus, Swansea, SA2 8PP, Wales, United Kingdom.
| | - Barbara Drasler
- BioNanomaterials group, Adolphe Merkle Institute, University of Fribourg, Chemin des Verdiers 4, 1700, Fribourg, Switzerland.
| | - Barbara Rothen-Rutishauser
- BioNanomaterials group, Adolphe Merkle Institute, University of Fribourg, Chemin des Verdiers 4, 1700, Fribourg, Switzerland.
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Xi Y, Song Y, Johnson DM, Li M, Liu H, Huang Y. Se enhanced phytoremediation of diesel in soil by Trifolium repens. Ecotoxicol Environ Saf 2018; 154:137-144. [PMID: 29459163 DOI: 10.1016/j.ecoenv.2018.01.061] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/03/2017] [Revised: 01/26/2018] [Accepted: 01/29/2018] [Indexed: 05/16/2023]
Abstract
A pot-culture experiment was conducted to assess the effects of selenium (Se) (0.5 mg kg-1) on Trifolium repens exposed to various levels of diesel (0, 15, 20, 25 g kg-1) for 30 days and 60 days. Exposure to diesel for 60 day led to concentration-dependent decreases in root morphogenesis, chlorophyll content and CAT activity, and to dose-dependent increases in MDA content and SOD activity. The residual diesel concentration in soil increased and the removal efficiency decreased with soil diesel concentration. The chlorophyll content and residual diesel concentration after were slightly higher at 30 days than at 60days. Application of Se to soil increased Trifolium repens tolerance to diesel and significantly increased the phytoremediation effect at 60 days, with a removal rate of 36 ± 8%, compared to 28 ± 7% in the control. These results contribute to the ongoing effort to develop an effective phytoremediation system for soils highly contaminated by diesel.
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Affiliation(s)
- Ying Xi
- Engineering Research Center of Eco-environment in Three Gorges Reservoir Region, Ministry of Education, China Three Gorges University, Daxue Road 8#, Yichang 443002, PR China
| | - Yizhi Song
- Engineering Research Center of Eco-environment in Three Gorges Reservoir Region, Ministry of Education, China Three Gorges University, Daxue Road 8#, Yichang 443002, PR China
| | - David M Johnson
- Engineering Research Center of Eco-environment in Three Gorges Reservoir Region, Ministry of Education, China Three Gorges University, Daxue Road 8#, Yichang 443002, PR China
| | - Meng Li
- Engineering Research Center of Eco-environment in Three Gorges Reservoir Region, Ministry of Education, China Three Gorges University, Daxue Road 8#, Yichang 443002, PR China
| | - Huigang Liu
- Engineering Research Center of Eco-environment in Three Gorges Reservoir Region, Ministry of Education, China Three Gorges University, Daxue Road 8#, Yichang 443002, PR China.
| | - Yingping Huang
- Engineering Research Center of Eco-environment in Three Gorges Reservoir Region, Ministry of Education, China Three Gorges University, Daxue Road 8#, Yichang 443002, PR China.
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Breitwieser M, Thomas-Guyon H, Huet V, Sagerup K, Geraudie P. Spatial and temporal impacts of the Skjervøy harbour diesel spill on native population of blue mussels: A sub-Arctic case study. Ecotoxicol Environ Saf 2018; 153:168-174. [PMID: 29427978 DOI: 10.1016/j.ecoenv.2018.01.033] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/21/2017] [Revised: 01/10/2018] [Accepted: 01/13/2018] [Indexed: 06/08/2023]
Abstract
This work was designed to investigate biological impacts on blue mussels (Mytilus edulis spp) after being exposed to diesel spill. On December 2013, an 180,000-litre accidental acute diesel spill was reported in a small harbour of northern Norway (Skjervøy). In order to assess the biological effects on the wild population of blue mussels, bivalves were collected at three different locations: at the oil-spill spot, at the other side of the harbour (opposite the oil-spill area), and in an uncontaminated site. Body burden and seawater samples were collected from a few days up to five months after the diesel spill. Biomarkers of oxidative stress and immunological effects were assessed in the blue mussels digestive glands. Our findings reported significant modulation of GST (detoxification), SOD (antioxidant response) and MDA (lipid peroxidation) in bivalves exposed to diesel with a similar response at two and five months after the spill. Laccase-type enzyme also highlighted an important aspect in terms of biomarker response of the immune function. Overall, our study demonstrated that some biomarkers returned to basal levels a few months after the diesel spill. Consequently, it highlighted the usefulness of normalised tools and guidelines for biomonitoring strategies after a diesel spill.
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Affiliation(s)
- Marine Breitwieser
- Littoral Environnement et Sociétés (LIENSs), UMR 7266, CNRS-Université de La Rochelle, 2 rue Olympe de Gouges, F-17042 La Rochelle Cedex 01, France.
| | - Hélène Thomas-Guyon
- Littoral Environnement et Sociétés (LIENSs), UMR 7266, CNRS-Université de La Rochelle, 2 rue Olympe de Gouges, F-17042 La Rochelle Cedex 01, France.
| | - Valérie Huet
- Littoral Environnement et Sociétés (LIENSs), UMR 7266, CNRS-Université de La Rochelle, 2 rue Olympe de Gouges, F-17042 La Rochelle Cedex 01, France.
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RIANTO BAMBANGUDJIDJOKO, YUDHANTO DIDIT, HERDINI CAMELIA. The Correlation Between Length of Work and Nasal Mucociliary Transport Time of Gas/Fuel Station Workers. Kobe J Med Sci 2018; 64:E6-E10. [PMID: 30282892 PMCID: PMC6192822] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Received: 10/20/2017] [Accepted: 01/11/2018] [Indexed: 06/08/2023]
Abstract
Gasoline contains toxic substances such as benzene, toluene, ethylbenzene, xylene (BTEX) that negatively influence gas/fuel station workers' health via continuous inhalation, causing loss of cilia and epithelial cell necrosis of the nasal mucosa. The aim of this study is to determine the correlation between length of work with nasal mucociliary transport time (NMCTT) of the gas/fuel station workers This study used a cross sectional design. The data were obtained from anamnesis, physical and NMCTT examinations of gas station workers in Yogyakarta, during November 2013. Inclusion criteria were: 1) 18-55 years old, 2) free of nasal topical medication for 10 days. Exclusion criterion: 1) acute rhinitis, 2) chronic sinusitis, 3) ever had nasal trauma, 4) ever had nasal surgery, 5) allergic rhinitis, and/or 6) septal deviation. Correlation analyses between length of work and NMCTT of gas station workers used Spearman correlation test with α 5% level of significance (p < 0.05). From 38 subjects, 27 (71.1%) were men and 11 (28.9%) women. Median length of work was 7.37 years, and NMCTT: 10.84 ± 5.60 minutes. Spearman's correlation test results between length of work and NMCTT showed (R): 0.578 (p = 0.001). Based on the results of this study, it can be concluded that there is a positive correlation between length of work with NMCTT of gas station workers.
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Zhang Y, Gu AZ, Cen T, Li X, Li D, Chen J. Petrol and diesel exhaust particles accelerate the horizontal transfer of plasmid-mediated antimicrobial resistance genes. Environ Int 2018; 114:280-287. [PMID: 29524923 DOI: 10.1016/j.envint.2018.02.038] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/07/2017] [Revised: 02/22/2018] [Accepted: 02/22/2018] [Indexed: 05/25/2023]
Abstract
Particles exhausted from petrol and diesel consumptions are major components of urban air pollution that can be exposed to human via direct inhalation or other routes due to atmospheric deposition into water and soil. Antimicrobial resistance is one of the most serious threats to modern health care. However, how the petrol and diesel exhaust particles affect the development and spread of antimicrobial resistance genes (ARGs) in various environments remain largely unknown. This study investigated the effects and potential mechanisms of four representative petrol and diesel exhaust particles, namely 97 octane petrol, 93 octane petrol, light diesel oil, and marine heavy diesel oil, on the horizontal transfer of ARGs between two opportunistic Escherichia coli (E. coli) strains, E. coli S17-1 (donor) and E. coli K12 (recipient). The results demonstrated that these four representative types of nano-scale particles induced concentration-dependent increases in conjugative transfer rates compared with the controls. The underlying mechanisms involved in the accelerated transfer of ARGs were also identified, including the generation of intracellular reactive oxygen species (ROS) and the consequent induction of oxidative stress, SOS response, changes in cell morphology, and the altered mRNA expression of membrane protein genes and those involved in the promotion of conjugative transfer. The findings provide new evidences and mechanistic insights into the antimicrobial resistance risks posed by petrol and diesel exhaust particles, and highlight the implications and need for stringent strategies on alternative fuels to mitigate air pollution and health risks.
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Affiliation(s)
- Ye Zhang
- Shanghai Key Laboratory of Atmospheric Particle Pollution and Prevention (LAP(3)), Department of Environmental Science and Engineering, Fudan University, Shanghai 200433, China
| | - April Z Gu
- School of Civil and Environmental Engineering, Cornell University, Ithaca, NY 14853, United States
| | - Tianyu Cen
- Shanghai Key Laboratory of Atmospheric Particle Pollution and Prevention (LAP(3)), Department of Environmental Science and Engineering, Fudan University, Shanghai 200433, China
| | - Xiangyang Li
- Shanghai Key Laboratory of Atmospheric Particle Pollution and Prevention (LAP(3)), Department of Environmental Science and Engineering, Fudan University, Shanghai 200433, China
| | - Dan Li
- Shanghai Key Laboratory of Atmospheric Particle Pollution and Prevention (LAP(3)), Department of Environmental Science and Engineering, Fudan University, Shanghai 200433, China.
| | - Jianmin Chen
- Shanghai Key Laboratory of Atmospheric Particle Pollution and Prevention (LAP(3)), Department of Environmental Science and Engineering, Fudan University, Shanghai 200433, China
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Mielke HW. Dynamic Geochemistry of Tetraethyl Lead Dust during the 20th Century: Getting the Lead In, Out, and Translational Beyond. Int J Environ Res Public Health 2018; 15:ijerph15050860. [PMID: 29701636 PMCID: PMC5981899 DOI: 10.3390/ijerph15050860] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/12/2018] [Revised: 04/21/2018] [Accepted: 04/22/2018] [Indexed: 11/16/2022]
Abstract
This commentary provides a brief overview of policy decisions that permitted getting tetraethyl lead (TEL) into petrol; global geochemical lead-dust deposition evidence; 1975 catalytic converter requirements; concern about habitability of cities; a personal perspective on legacy lead research that accelerated getting TEL out of petrol; and translational beyond, including New Orleans pre- vs. post-Hurricane Katrina observations about legacy lead interventions that effectively improve urban children’s health outcomes.
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Affiliation(s)
- Howard W Mielke
- Department of Pharmacology, Tulane University School of Medicine, 1430 Tulane Ave-SL-8683, New Orleans, LA 70112, USA.
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Bisig C, Comte P, Güdel M, Czerwinski J, Mayer A, Müller L, Petri-Fink A, Rothen-Rutishauser B. Assessment of lung cell toxicity of various gasoline engine exhausts using a versatile in vitro exposure system. Environ Pollut 2018; 235:263-271. [PMID: 29291526 DOI: 10.1016/j.envpol.2017.12.061] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/20/2017] [Revised: 12/16/2017] [Accepted: 12/17/2017] [Indexed: 06/07/2023]
Abstract
Adverse effect studies of gasoline exhaust are scarce, even though gasoline direct injection (GDI) vehicles can emit a high number of particles. The aim of this study was to conduct an in vitro hazard assessment of different GDI exhausts using two different cell culture models mimicking the human airway. In addition to gasoline particle filters (GPF), the effects of two lubrication oils with low and high ash content were assessed, since it is known that oils are important contributors to exhaust emissions. Complete exhausts from two gasoline driven cars (GDI1 and GDI2) were applied for 6 h (acute exposure) to a multi-cellular human lung model (16HBE14o-cell line, macrophages, and dendritic cells) and a primary human airway model (MucilAir™). GDI1 vehicle was driven unfiltered and filtered with an uncoated and a coated GPF. GDI2 vehicle was driven under four settings with different fuels: normal unleaded gasoline, 2% high and low ash oil in gasoline, and 2% high ash oil in gasoline with a GPF. GDI1 unfiltered was also used for a repeated exposure (3 times 6 h) to assess possible adverse effects. After 6 h exposure, no genes or proteins for oxidative stress or pro-inflammation were upregulated compared to the filtered air control in both cell systems, neither in GDI1 with GPFs nor in GDI2 with the different fuels. However, the repeated exposure led to a significant increase in HMOX1 and TNFa gene expression in the multi-cellular model, showing the responsiveness of the system towards gasoline engine exhaust upon prolonged exposure. The reduction of particles by GPFs is significant and no adverse effects were observed in vitro during a short-term exposure. On the other hand, more data comparing different lubrication oils and their possible adverse effects are needed. Future experiments also should, as shown here, focus on repeated exposures.
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Affiliation(s)
- Christoph Bisig
- Adolphe Merkle Institute, University of Fribourg, Switzerland
| | - Pierre Comte
- Laboratory for Exhaust Emission Control, Bern University of Applied Sciences, Biel-Bienne, Switzerland
| | - Martin Güdel
- Laboratory for Exhaust Emission Control, Bern University of Applied Sciences, Biel-Bienne, Switzerland
| | - Jan Czerwinski
- Laboratory for Exhaust Emission Control, Bern University of Applied Sciences, Biel-Bienne, Switzerland
| | | | | | - Alke Petri-Fink
- Adolphe Merkle Institute, University of Fribourg, Switzerland
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Errington I, King CK, Wilkins D, Spedding T, Hose GC. Ecosystem effects and the management of petroleum-contaminated soils on subantarctic islands. Chemosphere 2018; 194:200-210. [PMID: 29207352 DOI: 10.1016/j.chemosphere.2017.11.157] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/14/2017] [Accepted: 11/26/2017] [Indexed: 06/07/2023]
Abstract
Human activity in the Polar Regions has resulted in petroleum contamination of soils. In this context, subantarctic islands are a unique management challenge for climatic, biological and logistical reasons. In this review we identify the main abiotic factors affecting petroleum-contaminated soils in the subantarctic environment, the primary effects of such contamination on biota, and lessons learned with regards to remediation techniques in this region. The sensitivity of biota to contamination depends on organism life stage, on soil properties, and on the degree of contaminant weathering. Initial studies using species endemic to subantarctic islands suggest that for fresh diesel fuel, sensitivities may range between 103 and 20 000 mg total petroleum hydrocarbons (TPH) kg -1 soil. Diesel that has undergone a short period of weathering is generally more toxic, with sensitivities ranging between 52 and 13 000 mg TPH kg-1 soil for an earthworm and a grass respectively (based on EC20 and IC50 values). A sufficient body of data from which to develop remediation targets for existing spills in the region does not yet exist for the region, but there has been a recent increase in research attention to address this data gap. A range of remediation methods have also now been trialled, and techniques such as in-ground aeration and nutrient addition have achieved some success. Passive management techniques such as permeable reactive barriers and phytoremediation are in preliminary stages of investigation for the region and show promise, not least because they cause less collateral disturbance than other methods.
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Affiliation(s)
- Ingrid Errington
- Department of Biological Sciences, Macquarie University, Sydney, Australia
| | - Catherine K King
- Antarctic Conservation and Management, Australian Antarctic Division, Kingston, Australia
| | - Daniel Wilkins
- Antarctic Conservation and Management, Australian Antarctic Division, Kingston, Australia
| | - Tim Spedding
- Antarctic Conservation and Management, Australian Antarctic Division, Kingston, Australia
| | - Grant C Hose
- Department of Biological Sciences, Macquarie University, Sydney, Australia.
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Owagboriaye FO, Dedeke GA, Ashidi JS, Aladesida AA, Olooto WE. Effect of gasoline fumes on reproductive function in male albino rats. Environ Sci Pollut Res Int 2018; 25:4309-4319. [PMID: 29181751 DOI: 10.1007/s11356-017-0786-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/19/2016] [Accepted: 11/17/2017] [Indexed: 06/07/2023]
Abstract
The increase in the frequency of exposure to gasoline fumes and the growing incidence of infertility among humans has been a major concern and subject of discussion over the years in Nigeria. We therefore present the reproductive effect of gasoline fumes on inhalation exposure in 40 male albino rats. The rats were randomized into five experimental treatments (T) with eight rats per treatment. T1 (control) was exposed to distilled water while T2, T3, T4, and T5 were exposed to gasoline fumes in exposure chambers for 1, 3, 5, and 9 h daily respectively for 12 weeks. Serum level of testosterone, follicle stimulating hormone (FSH), luteinizing hormone (LH), prolactin, oxidative stress markers in the testicular tissue, epididymal sperm health assessment, and testicular histopathology of the rats were used as a diagnostic marker of reproductive dysfunction. Significant (p < 0.05) alterations in the levels of all the reproductive hormones and oxidative stress markers assayed were observed in rats exposed to gasoline fume. Significant reductions (p < 0.05) in sperm count and percentage motility in the exposed rats were observed. Significant (p < 0.05) increased in abnormal sperm cells characterized by damaged head, bent tail, damaged tail, and without head were also observed in the exposed rats. Histopathologically, severe degenerative testicular architectural lesions characterized by alterations in all the generations of sperm cells and reduction of interstitial cells were seen in the exposed rats. Gasoline fume is thus said to interfere with spermatogenesis and impair fertility in male gonad.
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Affiliation(s)
- Folarin O Owagboriaye
- Department of Zoology, Faculty of Science, Olabisi Onabanjo University, Ago- Iwoye, Ogun State, Nigeria.
| | - Gabriel A Dedeke
- Department of Pure and Applied Zoology, College of Bioscience, Federal University of Agriculture, Abeokuta, Ogun State, Nigeria
| | - Joseph S Ashidi
- Department of Plant Science, Faculty of Science, Olabisi Onabanjo University, Ago- Iwoye, Ogun State, Nigeria
| | - Adeyinka A Aladesida
- Department of Pure and Applied Zoology, College of Bioscience, Federal University of Agriculture, Abeokuta, Ogun State, Nigeria
| | - Wasiu E Olooto
- Department of Chemical Pathology and Immunology, Faculty of Basic Medical Sciences, Olabisi Onabanjo University, Ago-Iwoye, Ogun State, Nigeria
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Bamgbose IA, Anderson TA. Assessment of three plant-based biodiesels using a Daphnia magna bioassay. Environ Sci Pollut Res Int 2018; 25:4506-4515. [PMID: 29185226 DOI: 10.1007/s11356-017-0678-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/02/2017] [Accepted: 11/02/2017] [Indexed: 06/07/2023]
Abstract
Biodiesel is an alternative fuel that is gradually replacing petroleum-based diesel use. Although biodiesel is considered friendlier to the environment, the potential toxic effects of biodiesel to aquatic organisms are still uncertain due to the wide range of feedstocks used to generate the fuel. The aquatic cladoceran Daphnia magna (D. magna) has been commonly used as a lethal and/or sub-lethal toxicological model organism in ecological risk assessments for contaminated water environments. In this work, we evaluated whether significant differences exist in the sensitivity of freshwater aquatic life to different biodiesels. The acute toxicity of three plant-based biodiesels was investigated using D. magna over a 96-h period. In addition, diesel fuel was tested as a reference. Increased immobility was observed as time progressed following exposure. Testing revealed of the four fuel products, diesel proved most toxic to D. magna, with half maximal effective concentration (EC50) values of 4.7 μg/mL (24 h) and 3.4 μg/mL (72 h). Among the biodiesels, safflower methyl biodiesel was most toxic, with EC50 values of 1026 μg/mL (24 h) and 71 μg/mL (48 h). Our data indicate that although not all biodiesels were toxic, the short-term exposure of D. magna to sub-lethal concentrations of biodiesels affects their mobility and thus decreases their reproductive potential. Overall, this research provides insights into the sub-lethal effects of biodiesels on an aquatic organism.
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Affiliation(s)
- Ifeoluwa A Bamgbose
- The Institute of Environmental and Human Health, Department of Environmental Toxicology, Texas Tech University, Lubbock, TX, USA.
| | - Todd A Anderson
- The Institute of Environmental and Human Health, Department of Environmental Toxicology, Texas Tech University, Lubbock, TX, USA
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Abstract
Gas station attendants are potentially exposed to carcinogenic substances. This study aimed to evaluate chronic occupational exposed gas station attendant's according to genetic parameters and its relationship with cancer predisposition. Forty gas station attendants were recruited and paired with 40 control subjects. Thousand cells from each subject were analyzed counting the number of pyknotic (PYC), karyolitic (KYL), karyorrhetic (KHC), condensed chromatin (CC), binucleated (BN), basal cells (BC), Nuclear buds (Nbud), and differentiated cells (DIFF). More 2.000 differentiated cells were analyzed counting micronucleated (MNi) and nuclear buds (NBud). We observed a statistical increase in BC and decrease in DIFF (p < 0.05). PYC, CC, KYL, MN, NBud were statistically increased (p < 0.05). All in all, our data showed elevated DNA damage, chromosomal instability, and cell cycle disturbing in our group of gas station attendants. It is a clear risk for their health in future and could be classified as a cancer predisposition.
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Affiliation(s)
- Antônio P R Filho
- a Center of Biological Sciences and Health, College of Biological Sciences , State University of West Paraná (UNIOESTE) , Cascavel , Brazil
| | - Maruhen A D Silveira
- a Center of Biological Sciences and Health, College of Biological Sciences , State University of West Paraná (UNIOESTE) , Cascavel , Brazil
| | - Camila B do Nascimento
- a Center of Biological Sciences and Health, College of Biological Sciences , State University of West Paraná (UNIOESTE) , Cascavel , Brazil
| | - Luciana P G d'Arce
- a Center of Biological Sciences and Health, College of Biological Sciences , State University of West Paraná (UNIOESTE) , Cascavel , Brazil
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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. Environ Sci Pollut Res Int 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] [What about the content of this article? (0)] [Affiliation(s)] [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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49
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Zhong F, Xu M, Schelli K, Rutowski J, Holmén BA, Zhu J. Comparing the impact of ultrafine particles from petrodiesel and biodiesel combustion to bacterial metabolism by targeted HPLC-MS/MS metabolic profiling. Ecotoxicol Environ Saf 2017; 142:164-170. [PMID: 28410499 DOI: 10.1016/j.ecoenv.2017.04.002] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/11/2016] [Revised: 03/29/2017] [Accepted: 04/03/2017] [Indexed: 06/07/2023]
Abstract
Alterations of gut bacterial metabolism play an important role in their host metabolism, and can result in diseases such as obesity and diabetes. While many factors were discovered influencing the gut bacterial metabolism, exposure to ultrafine particles (UFPs) from engine combustions were recently proposed to be a potential risk factor for the perturbation of gut bacterial metabolism, and consequentially to obesity and diabetes development. This study focused on evaluation of how UFPs from diesel engine combustions impact gut bacterial metabolism. We hypothesize that UFPs from different type of diesel (petrodiesel vs. biodiesel) will both impact bacterial metabolism, and the degree of impact is also diesel type-dependent. Targeted metabolic profiling of 221 metabolites were applied to three model gut bacteria in vitro, Streptococcus salivarius, Lactobacillus acidophilus and Lactobacillus fermentum. UFPs from two types of fuels, petrodiesel (B0) and a biodiesel blend (B20: 20% soy biodiesel/80% B0 by volume), were exposed to the bacteria and their metabolic changes were compared. For each bacterial strain, metabolites with significantly changed abundance were observed in both perturbations, and all three strains have increased number of altered metabolites detected from B20 UFPs perturbation in comparison to B0 UFPs. Multivariate statistical analysis further confirmed that the metabolic profiles were clearly different between testing groups. Metabolic pathway analyses also demonstrated several important metabolic pathways, including pathways involves amino acids biosynthesis and sugar metabolism, were significantly impacted by UFPs exposure.
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Affiliation(s)
- Fanyi Zhong
- Department of Chemistry and Biochemistry, Miami University, Oxford, OH 45056, United States
| | - Mengyang Xu
- Department of Chemistry and Biochemistry, Miami University, Oxford, OH 45056, United States
| | - Katie Schelli
- Department of Chemistry and Biochemistry, Miami University, Oxford, OH 45056, United States
| | - Joshua Rutowski
- Department of Chemistry and Biochemistry, Miami University, Oxford, OH 45056, United States
| | - Britt A Holmén
- School of Engineering, University of Vermont, Burlington, VT 05405, United States
| | - Jiangjiang Zhu
- Department of Chemistry and Biochemistry, Miami University, Oxford, OH 45056, United States.
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50
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Ramadass K, Megharaj M, Venkateswarlu K, Naidu R. Toxicity of diesel water accommodated fraction toward microalgae, Pseudokirchneriella subcapitata and Chlorella sp. MM3. Ecotoxicol Environ Saf 2017; 142:538-543. [PMID: 28478380 DOI: 10.1016/j.ecoenv.2017.04.052] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/28/2016] [Revised: 04/20/2017] [Accepted: 04/24/2017] [Indexed: 06/07/2023]
Abstract
Diesel is a commonly used fuel and a key pollutant on water surface through leaks and accidental spills, thus creating risk directly to planktons as well as other aquatic organisms. We assessed the toxicty of diesel and its water accommodated fraction (WAF) towards two microalgal species, Pseudokirchneriella subcapitata and Chlorella sp. MM3. The toxicity criteria included were: chlorophyll a content as a growth parameter and induction of enzyme activities linked to oxidative stress. Increase in concentrations of diesel or its WAF significantly increased toxicity towards growth, measured in terms of chlorophyll a content in both the algae. Activities of antioxidant enzymes such as superoxide dismutase (SOD), peroxidase (POX) and catalase (CAT) in response to addition of diesel or diesel WAF to the microalgal cultures were dose-dependent. Diesel WAF was more toxic than diesel itself, suggesting that use of WAF may be more relevant for environmental risk assessment of diesel. The overall response of the antioxidant enzymes to toxicants' stress followed the order: POX≥SOD>CAT. The present study clearly demonstrated the use of SOD, POX and CAT as suitable biomarkers for assessing diesel pollution in aquatic ecosystem.
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Affiliation(s)
- Kavitha Ramadass
- Centre for Environmental Risk Assessment and Remediation, University of South Australia, Mawson Lakes, SA 5095, Australia
| | - Mallavarapu Megharaj
- Global Centre for Environmental Remediation (GCER) and Cooperative Research Centre for Contamination Assessment and Remediation of the Environment (CRCCARE), Faculty of Science, University of Newcastle, ATC Building, Callaghan, NSW 2308, Australia.
| | - Kadiyala Venkateswarlu
- Centre for Environmental Risk Assessment and Remediation, University of South Australia, Mawson Lakes, SA 5095, Australia; Formerly Department of Microbiology, Sri Krishnadevaraya University, Anantapur 515055, India
| | - Ravi Naidu
- Global Centre for Environmental Remediation (GCER) and Cooperative Research Centre for Contamination Assessment and Remediation of the Environment (CRCCARE), Faculty of Science, University of Newcastle, ATC Building, Callaghan, NSW 2308, Australia
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