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Expósito A, Maillo J, Uriarte I, Santibáñez M, Fernández-Olmo I. Kinetics of ascorbate and dithiothreitol oxidation by soluble copper, iron, and manganese, and 1,4-naphthoquinone: Influence of the species concentration and the type of fluid. CHEMOSPHERE 2024; 361:142435. [PMID: 38797213 DOI: 10.1016/j.chemosphere.2024.142435] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/06/2024] [Revised: 05/14/2024] [Accepted: 05/24/2024] [Indexed: 05/29/2024]
Abstract
An alternative metric to account for particulate matter (PM) composition-based toxicity is the ability of PM-species to generate reactive oxygen species (ROS) and deplete antioxidants, the so-called oxidative potential (OP). Acellular OP assays are the most used worldwide, mainly those based on ascorbic acid (AA) and dithiothreitol (DTT) depletion; OP values are calculated from AA/DTT concentration over time kinetic curves. Since a great variability in OP-DTT and OP-AA values can be found in the literature, the understanding of those factors affecting the kinetic rate of AA and DTT oxidation in the presence of PM-bound species will improve the interpretation of OP values. In this work, a kinetic study of the oxidation rate of AA and DTT driven by species usually found in PM (transition metals and naphthoquinone (NQ)) was carried out. In particular, the influence of the concentration of Cu(II), Fe(II), Fe(III), Mn(II), Mn(III), and 1,4-NQ, and the type of fluid used in the assay (phosphate buffer (PB), phosphate buffer saline (PBS) and artificial lysosomal fluid (ALF)) is analysed and discussed. The reaction orders with respect to the AA/DTT and the active compound, and the kinetic rate constants were also determined. The results show great variability in OP values among the studied species depending on the fluid used; the OP values were mostly higher in PB0.05 M, followed by PBS1x and ALF. Moreover, different species concentration-responses for OP-DTT/OP-AA were obtained. These differences were explained by the different reaction orders and kinetic rate constants obtained for each active compound in each fluid.
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Affiliation(s)
- A Expósito
- Dpto. de Ingenierias Química y Biomolecular, Universidad de Cantabria, Avda. Los Castros s/n, 39005, Santander, Cantabria, Spain.
| | - J Maillo
- Dpto. de Ingenierias Química y Biomolecular, Universidad de Cantabria, Avda. Los Castros s/n, 39005, Santander, Cantabria, Spain
| | - I Uriarte
- Dpto. de Ingenierias Química y Biomolecular, Universidad de Cantabria, Avda. Los Castros s/n, 39005, Santander, Cantabria, Spain
| | - M Santibáñez
- Global Health Research Group, Dpto Enfermería, Universidad de Cantabria, Avda. Valdecilla, s/n, 39008, Santander, Cantabria, Spain; Nursing Research Group, IDIVAL, Calle Cardenal Herrera Oria s/n, 39011, Santander, Cantabria, Spain
| | - I Fernández-Olmo
- Dpto. de Ingenierias Química y Biomolecular, Universidad de Cantabria, Avda. Los Castros s/n, 39005, Santander, Cantabria, Spain
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Glojek K, Dinh Ngoc Thuy V, Weber S, Uzu G, Manousakas M, Elazzouzi R, Džepina K, Darfeuil S, Ginot P, Jaffrezo JL, Žabkar R, Turšič J, Podkoritnik A, Močnik G. Annual variation of source contributions to PM 10 and oxidative potential in a mountainous area with traffic, biomass burning, cement-plant and biogenic influences. ENVIRONMENT INTERNATIONAL 2024; 189:108787. [PMID: 38833875 DOI: 10.1016/j.envint.2024.108787] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/15/2024] [Revised: 05/26/2024] [Accepted: 05/29/2024] [Indexed: 06/06/2024]
Abstract
Toxicity of particulate matter (PM) depends on its sources, size and composition. We identified PM10 sources and determined their contribution to oxidative potential (OP) as a health proxy for PM exposure in an Alpine valley influenced by cement industry. PM10 filter sample chemical analysis and equivalent black carbon (eBC) were measured at an urban background site from November 2020 to November 2021. Using an optimized Positive Matrix Factorization (PMF) model, the source chemical fingerprints and contributions to PM10 were determined. The OP assessed through two assays, ascorbic acid (AA) and dithiothreitol (DTT), was attributed to the PM sources from the PMF model with a multiple linear regression (MLR) model. Ten factors were found at the site, including biomass burning (34, 40 and 38% contribution to annual PM10, OPAA and OPDDT, respectively), traffic (14, 19 and 7%), nitrate- and sulphate-rich (together: 16, 5 and 8%), aged sea salt (2, 2 and 0%) and mineral dust (10, 12 and 17%). The introduction of innovative organic tracers allowed the quantification of the PM primary and secondary biogenic fractions (together: 13, 8 and 21%). In addition, two unusual factors due to local features, a chloride-rich factor and a second mineral dust-rich factor (named the cement dust factor) were found, contributing together 10, 14 and 8%. We associate these two factors to different processes in the cement plant. Despite their rather low contribution to PM10 mass, these sources have one of the highest OPs per µg of source. The results of the study provide vital information about the influence of particular sources on PM10 and OP in complex environments and are thus useful for PM control strategies and actions.
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Affiliation(s)
- K Glojek
- University of Nova Gorica, Centre for Atmospheric Research (CRA), Ajdovščina 5270, Slovenia
| | - V Dinh Ngoc Thuy
- University of Grenoble Alpes, CNRS, INRAE, IRD, Grenoble INP, IGE, Grenoble 38000, France
| | - S Weber
- University of Grenoble Alpes, CNRS, INRAE, IRD, Grenoble INP, IGE, Grenoble 38000, France
| | - G Uzu
- University of Grenoble Alpes, CNRS, INRAE, IRD, Grenoble INP, IGE, Grenoble 38000, France
| | - M Manousakas
- Paul Scherrer Institute (PSI), Laboratory of Atmospheric Chemistry, Villigen 5232, Switzerland; NCSR DEMOKRITOS Institute of Nuclear and Particle Physics, Agia Paraskevi 15341, Greece
| | - R Elazzouzi
- University of Grenoble Alpes, CNRS, INRAE, IRD, Grenoble INP, IGE, Grenoble 38000, France
| | - K Džepina
- University of Nova Gorica, Centre for Atmospheric Research (CRA), Ajdovščina 5270, Slovenia
| | - S Darfeuil
- University of Grenoble Alpes, CNRS, INRAE, IRD, Grenoble INP, IGE, Grenoble 38000, France
| | - P Ginot
- University of Grenoble Alpes, CNRS, INRAE, IRD, Grenoble INP, IGE, Grenoble 38000, France
| | - J L Jaffrezo
- University of Grenoble Alpes, CNRS, INRAE, IRD, Grenoble INP, IGE, Grenoble 38000, France
| | - R Žabkar
- Slovenian Environment Agency, Ljubljana 1000, Slovenia
| | - J Turšič
- Slovenian Environment Agency, Ljubljana 1000, Slovenia
| | - A Podkoritnik
- University of Nova Gorica, Centre for Atmospheric Research (CRA), Ajdovščina 5270, Slovenia
| | - G Močnik
- University of Nova Gorica, Centre for Atmospheric Research (CRA), Ajdovščina 5270, Slovenia.
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3
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Novo-Quiza N, Sánchez-Piñero J, Moreda-Piñeiro J, Turnes-Carou I, Muniategui-Lorenzo S, López-Mahía P. Oxidative potential of the inhalation bioaccessible fraction of PM 10 and bioaccessible concentrations of polycyclic aromatic hydrocarbons and metal(oid)s in PM 10. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:31862-31877. [PMID: 38637483 PMCID: PMC11133103 DOI: 10.1007/s11356-024-33331-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/24/2023] [Accepted: 04/11/2024] [Indexed: 04/20/2024]
Abstract
Atmospheric particulate matter (PM) has been related to numerous adverse health effects in humans. Nowadays, it is believed that one of the possible mechanisms of toxicity could be the oxidative stress, which involves the development of reactive oxygen species (ROS). Different assays have been proposed to characterize oxidative stress, such as dithiothreitol (DTT) and ascorbic acid (AA) acellular assays (OPDTT and OPAA), as a metric more relevant than PM mass measurement for PM toxicity. This study evaluates the OP of the bioaccessible fraction of 65 PM10 samples collected at an Atlantic Coastal European urban site using DTT and AA assays. A physiologically based extraction (PBET) using Gamble's solution (GS) as a simulated lung fluid (SLF) was used for the assessment of the bioaccessible fraction of PM10. The use of the bioaccessible fraction, instead of the fraction assessed using conventional phosphate buffer and ultrasounds assisted extraction (UAE), was compared for OP assessment. Correlations between OPDTT and OPAA, as well as total and bioaccessible concentrations of polycyclic aromatic hydrocarbons (PAHs) and metal(oid)s, were investigated to explore the association between those compounds and OP. A correlation was found between both OP (OPDTT and OPAA) and total and bioaccessible concentrations of PAHs and several metal(oid)s such as As, Bi, Cd, Cu, Ni, and V. Additionally, OPDTT was found to be related to the level of K+.
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Affiliation(s)
- Natalia Novo-Quiza
- Department of Chemistry, Faculty of Sciences, Grupo Química Analítica Aplicada (QANAP), University Institute of Research in Environmental Studies (IUMA), University of A Coruña, Campus de A Coruña, S/N. 15071, A Coruña, Spain
| | - Joel Sánchez-Piñero
- Department of Chemistry, Faculty of Sciences, Grupo Química Analítica Aplicada (QANAP), University Institute of Research in Environmental Studies (IUMA), University of A Coruña, Campus de A Coruña, S/N. 15071, A Coruña, Spain
| | - Jorge Moreda-Piñeiro
- Department of Chemistry, Faculty of Sciences, Grupo Química Analítica Aplicada (QANAP), University Institute of Research in Environmental Studies (IUMA), University of A Coruña, Campus de A Coruña, S/N. 15071, A Coruña, Spain.
| | - Isabel Turnes-Carou
- Department of Chemistry, Faculty of Sciences, Grupo Química Analítica Aplicada (QANAP), University Institute of Research in Environmental Studies (IUMA), University of A Coruña, Campus de A Coruña, S/N. 15071, A Coruña, Spain
| | - Soledad Muniategui-Lorenzo
- Department of Chemistry, Faculty of Sciences, Grupo Química Analítica Aplicada (QANAP), University Institute of Research in Environmental Studies (IUMA), University of A Coruña, Campus de A Coruña, S/N. 15071, A Coruña, Spain
| | - Purificación López-Mahía
- Department of Chemistry, Faculty of Sciences, Grupo Química Analítica Aplicada (QANAP), University Institute of Research in Environmental Studies (IUMA), University of A Coruña, Campus de A Coruña, S/N. 15071, A Coruña, Spain
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Song X, Wu D, Chen X, Ma Z, Li Q, Chen J. Toxic Potencies of Particulate Matter from Typical Industrial Plants Mediated with Acidity via Metal Dissolution. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2024; 58:6736-6743. [PMID: 38564367 DOI: 10.1021/acs.est.4c00929] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/04/2024]
Abstract
Acidity is an important property of particulate matter (PM) in the atmosphere, but its association with PM toxicity remains unclear. Here, this study quantitively reports the effect of the acidity level on PM toxicity via pH-control experiments and cellular analysis. Oxidative stress and cytotoxicity potencies of acidified PM samples at pH of 1-2 were up to 2.8-5.2 and 2.1-13.2 times higher than those at pH of 8-11, respectively. The toxic potencies of PM samples from real-world smoke plumes at the pH of 2.3 were 9.1-18.2 times greater than those at the pH of 5.6, demonstrating a trend similar to that of acidified PM samples. Furthermore, the impact of acidity on PM toxicity was manifested by promoting metal dissolution. The dramatic increase by 2-3 orders of magnitude in water-soluble metal content dominated the variation in PM toxicity. The significant correlation between sulfate, the pH value, water-soluble Fe, IC20, and EC1.5 (p < 0.05) suggested that acidic sulfate could enhance toxic potencies by dissolving insoluble metals. The findings uncover the superficial association between sulfate and adverse health outcomes in epidemiological research and highlight the control of wet smoke plume emissions to mitigate the toxicity effects of acidity.
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Affiliation(s)
- Xiwen Song
- Department of Environmental Science and Engineering, Shanghai Key Laboratory of Atmospheric Particle Pollution and Prevention, National Observations and Research Station for Wetland Ecosystems of the Yangtze Estuary, Fudan University, Shanghai 200433, China
| | - Di Wu
- Department of Environmental Science and Engineering, Shanghai Key Laboratory of Atmospheric Particle Pollution and Prevention, National Observations and Research Station for Wetland Ecosystems of the Yangtze Estuary, Fudan University, Shanghai 200433, China
| | - Xiu Chen
- Department of Environmental Science and Engineering, Shanghai Key Laboratory of Atmospheric Particle Pollution and Prevention, National Observations and Research Station for Wetland Ecosystems of the Yangtze Estuary, Fudan University, Shanghai 200433, China
| | - Zizhen Ma
- School of Environmental and Municipal Engineering, Qingdao University of Technology, Qingdao 266520, China
| | - Qing Li
- Department of Environmental Science and Engineering, Shanghai Key Laboratory of Atmospheric Particle Pollution and Prevention, National Observations and Research Station for Wetland Ecosystems of the Yangtze Estuary, Fudan University, Shanghai 200433, China
- Shanghai Institute of Eco-Chongming (SIEC), 20 Cuiniao Road, Chenjia Town, Chongming District, Shanghai 202162, China
| | - Jianmin Chen
- Department of Environmental Science and Engineering, Shanghai Key Laboratory of Atmospheric Particle Pollution and Prevention, National Observations and Research Station for Wetland Ecosystems of the Yangtze Estuary, Fudan University, Shanghai 200433, China
- Shanghai Institute of Eco-Chongming (SIEC), 20 Cuiniao Road, Chenjia Town, Chongming District, Shanghai 202162, China
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5
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Kahe D, Sabeti Z, Sarbakhsh P, Shakerkhatibi M, Gholampour A, Goudarzi G, Sharbafi J, Dastgiri S, Separham A, Seyedrezazadeh E. Effect of PM 2.5 exposure on adhesion molecules and systemic nitric oxide in healthy adults: The role of metals, PAHs, and oxidative potential. CHEMOSPHERE 2024; 354:141631. [PMID: 38462178 DOI: 10.1016/j.chemosphere.2024.141631] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/11/2023] [Revised: 02/14/2024] [Accepted: 03/01/2024] [Indexed: 03/12/2024]
Abstract
Since there is limited evidence on the impact of PM2.5 content on cardiovascular biomarkers, we conducted a cross-sectional study on 89 healthy adults from October 12 to November 21, 2021. We measured daily PM2.5 in two distinct regions during different time windows: a high-traffic urban area and an industrial suburb. The concentrations of metals, PAHs, and oxidative potential (OP) were determined using ICP-MS, GC-MS, and dithiothreitol (DTT), respectively. Systemic biomarkers, including NO, sICAM-1, sVCAM-1, MDA, and CRP, were quantified in each subject simultaneously. A generalized linear model was used to examine the association between PM2.5 toxicity and each health endpoint. Our findings indicated that daily PM2.5 concentrations exceeded the WHO-recommended level by approximately sevenfold. We found that PM2.5 exposure was associated with adverse cardiovascular outcomes. Moreover, exposure to PM2.5 mass, total PAHs, and certain trace metals (Ni, Fe, V, As, and Pb) resulted in a decline in serum NO levels. At lag 3, exposure to PM2.5 mass resulted in a significant decrease in NO levels [1.32% (95% CI: -2.27, -0.12)] and total PAHs [2.05% (95% CI: -3.93, -0.12)]. In contrast, OP exhibited a mild correlation with NO level increases. Positive associations were observed between PM2.5 and its chemical constituents (PAHs, As, Cu, OP) and adhesion molecules at different lag times. An increase of 0.16 ppb in PAH concentrations at an interquartile range was associated with a 4.74% decline (95% CI, -7.80, -0.55) in the sVCAM-1 level. However, our study did not reveal any significant trend between pollutants and other biomarkers (sICAM-1, MDA, and CRP). Consequently, our findings suggest that different PM2.5 chemical compositions exhibit diverse behavior in biological responses.
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Affiliation(s)
- Danian Kahe
- Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Zahra Sabeti
- Health and Environment Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Parvin Sarbakhsh
- Department of Statistics and Epidemiology, Faculty of Public Health, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mohammad Shakerkhatibi
- Health and Environment Research Center, Tabriz University of Medical Sciences, Tabriz, Iran; Department of Environmental Health Engineering, Faculty of Public Health, Tabriz University of Medical Sciences, Tabriz, Iran.
| | - Akbar Gholampour
- Health and Environment Research Center, Tabriz University of Medical Sciences, Tabriz, Iran; Department of Environmental Health Engineering, Faculty of Public Health, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Gholamreza Goudarzi
- Air Pollution and Respiratory Diseases Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Jabraeil Sharbafi
- East Azerbaijan Province Health Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Saeed Dastgiri
- Tabriz Health Services Management Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Ahmad Separham
- Cardiovascular Research Center, Tabriz University of Medical Science, Madani Heart Center, Cardiology Department, Tabriz, Iran
| | - Ensiyeh Seyedrezazadeh
- Tuberculosis and Lung Disease Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
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6
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Cowan K, Semmens EO, Lee JY, Walker ES, Smith PG, Fu L, Singleton R, Cox SM, Faiella J, Chassereau L, Lawrence L, Ying J, Baldner J, Garza M, Annett R, Chervinskiy SK, Snowden J. Bronchiolitis recovery and the use of High Efficiency Particulate Air (HEPA) Filters (The BREATHE Study): study protocol for a multi-center, parallel, double-blind, randomized controlled clinical trial. Trials 2024; 25:197. [PMID: 38504367 PMCID: PMC10953277 DOI: 10.1186/s13063-024-08012-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2023] [Accepted: 02/23/2024] [Indexed: 03/21/2024] Open
Abstract
BACKGROUND Acute viral bronchiolitis is the most common reason for hospitalization of infants in the USA. Infants hospitalized for bronchiolitis are at high risk for recurrent respiratory symptoms and wheeze in the subsequent year, and longer-term adverse respiratory outcomes such as persistent childhood asthma. There are no effective secondary prevention strategies. Multiple factors, including air pollutant exposure, contribute to risk of adverse respiratory outcomes in these infants. Improvement in indoor air quality following hospitalization for bronchiolitis may be a prevention opportunity to reduce symptom burden. Use of stand-alone high efficiency particulate air (HEPA) filtration units is a simple method to reduce particulate matter ≤ 2.5 µm in diameter (PM2.5), a common component of household air pollution that is strongly linked to health effects. METHODS BREATHE is a multi-center, parallel, double-blind, randomized controlled clinical trial. Two hundred twenty-eight children < 12 months of age hospitalized for the first time with bronchiolitis will participate. Children will be randomized 1:1 to receive a 24-week home intervention with filtration units containing HEPA and carbon filters (in the child's sleep space and a common room) or to a control group with units that do not contain HEPA and carbon filters. The primary objective is to determine if use of HEPA filtration units reduces respiratory symptom burden for 24 weeks compared to use of control units. Secondary objectives are to assess the efficacy of the HEPA intervention relative to control on (1) number of unscheduled healthcare visits for respiratory complaints, (2) child quality of life, and (3) average PM2.5 levels in the home. DISCUSSION We propose to test the use of HEPA filtration to improve indoor air quality as a strategy to reduce post-bronchiolitis respiratory symptom burden in at-risk infants with severe bronchiolitis. If the intervention proves successful, this trial will support use of HEPA filtration for children with bronchiolitis to reduce respiratory symptom burden following hospitalization. TRIAL REGISTRATION NCT05615870. Registered on November 14, 2022.
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Affiliation(s)
- Kelly Cowan
- Department of Pediatrics, Larner College of Medicine at the University of Vermont, 111 Colchester Ave, Smith 5, Burlington, VT, 05403, USA.
| | - Erin O Semmens
- School of Public and Community Health Sciences, University of Montana, 177 Skaggs, Missoula, MT, 59812-2016, USA
| | - Jeannette Y Lee
- University of Arkansas for Medical Sciences, 4301 West Markham, #781, Little Rock, AR, 72205, USA
| | - Ethan S Walker
- School of Public and Community Health Sciences, University of Montana, 177 Skaggs, Missoula, MT, 59812-2016, USA
| | - Paul G Smith
- School of Public and Community Health Sciences, University of Montana, 177 Skaggs, Missoula, MT, 59812-2016, USA
| | - Linda Fu
- National Institutes of Health Environmental Influences On Child, Health Outcomes (ECHO) Program, 11601, Landsdown Street, Rockville, MD, 20852, USA
| | - Rosalyn Singleton
- Alaska Native Tribal Health Consortium, AIP-CDC, 4055 Tudor Centre Drive, Anchorage, AK, 99508, USA
| | - Sara McClure Cox
- School of Public and Community Health Sciences, University of Montana, 177 Skaggs, Missoula, MT, 59812-2016, USA
| | - Jennifer Faiella
- School of Public and Community Health Sciences, University of Montana, 177 Skaggs, Missoula, MT, 59812-2016, USA
| | - Laurie Chassereau
- University of Vermont, Given C421, 89 Beaumont Ave, Burlington, VT, 05405, USA
| | - Lora Lawrence
- IDeA States Pediatric Network Data Coordination and Operations Center, 13 Children's Way, Slot 512-35, Little Rock, AR, 72202, USA
| | - Jun Ying
- Department of Family Medicine, School of Medicine, University of Colorado Anschutz Medical Campus, Mail Stop F496, Academic Office One L15-3407, 12631 E 17th Avenue, Aurora, CO, 80045, USA
| | - Jaime Baldner
- Department of Biomedical Informatics, University of Arkansas for Medical Sciences, 4301 W Markham Street, Little Rock, AR, 72205, USA
| | - Maryam Garza
- Department of Biomedical Informatics, University of Arkansas for Medical Sciences, 4301 W Markham Street, Little Rock, AR, 72205, USA
| | - Robert Annett
- University of New Mexico Health Sciences Center, Albuquerque, NM, 87106, USA
| | - Sheva K Chervinskiy
- Cook Children's Department of Immunology, 1500 Cooper St, Fort Worth, TX, 76104, USA
| | - Jessica Snowden
- IDeA States Pediatric Network Data Coordination and Operations Center, 13 Children's Way, Slot 512-35, Little Rock, AR, 72202, USA
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Park M, Lee S, Lee H, Denna MCFJ, Jang J, Oh D, Bae MS, Jang KS, Park K. New health index derived from oxidative potential and cell toxicity of fine particulate matter to assess its potential health effect. Heliyon 2024; 10:e25310. [PMID: 38356560 PMCID: PMC10864913 DOI: 10.1016/j.heliyon.2024.e25310] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2023] [Revised: 01/18/2024] [Accepted: 01/24/2024] [Indexed: 02/16/2024] Open
Abstract
Toxicological data and exposure levels of fine particulate matters (PM2.5) are necessary to better understand their health effects. Simultaneous measurements of PM2.5 oxidative potential (OP) and cell toxicity in urban areas (Beijing, China and Gwangju, Korea) reveal their dependence on chemical composition. Notably, acids (Polar), benzocarboxylic acids, and Pb were the chemical components that affected both OP and cell toxicity. OP varied more significantly among different locations and seasons (winter and summer) than cell toxicity. Using the measured OP, cell toxicity, and PM2.5 concentration, a health index was developed to better assess the potential health effects of PM2.5. The health index was related to the sources of PM2.5 derived from the measured chemical components. The contributions of secondary organic aerosols and dust to the proposed health index were more significant than their contributions to PM2.5 mass. The developed regression equation was used to predict the health effect of PM2.5 without further toxicity measurements. This new index could be a valuable health metric that provides information beyond just the PM2.5 concentration level.
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Affiliation(s)
- Minhan Park
- School of Earth Sciences and Environmental Engineering, Gwangju Institute of Science and Technology (GIST), Gwangju, 61005, Republic of Korea
| | - Seunghye Lee
- School of Earth Sciences and Environmental Engineering, Gwangju Institute of Science and Technology (GIST), Gwangju, 61005, Republic of Korea
| | - Haebum Lee
- School of Earth Sciences and Environmental Engineering, Gwangju Institute of Science and Technology (GIST), Gwangju, 61005, Republic of Korea
| | - Ma. Cristine Faye J. Denna
- School of Earth Sciences and Environmental Engineering, Gwangju Institute of Science and Technology (GIST), Gwangju, 61005, Republic of Korea
| | - Jiho Jang
- School of Earth Sciences and Environmental Engineering, Gwangju Institute of Science and Technology (GIST), Gwangju, 61005, Republic of Korea
| | - Dahye Oh
- School of Earth Sciences and Environmental Engineering, Gwangju Institute of Science and Technology (GIST), Gwangju, 61005, Republic of Korea
| | - Min-Suk Bae
- Department of Environmental Engineering, Mokpo National University, Muan, 58554, Republic of Korea
| | - Kyoung-Soon Jang
- Biomedical Omics Center, Korea Basic Science Institute, Cheongju, 28119, Republic of Korea
| | - Kihong Park
- School of Earth Sciences and Environmental Engineering, Gwangju Institute of Science and Technology (GIST), Gwangju, 61005, Republic of Korea
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8
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Yassine MM, Dabek-Zlotorzynska E, Celo V, Sofowote UM, Mooibroek D, Hopke PK. Effect of industrialization on the differences in sources and composition of ambient PM 2.5 in two Southern Ontario locations. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2024; 341:123007. [PMID: 38006992 DOI: 10.1016/j.envpol.2023.123007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/08/2023] [Revised: 10/27/2023] [Accepted: 11/18/2023] [Indexed: 11/27/2023]
Abstract
PM2.5 was sampled over a seven-year period (2013-2019) at two locations ∼50 km apart in Southern Ontario (concurrently for five years: 2015-2019). One is a heavily industrialized site (Hamilton), while the other was a rural site (Simcoe). To assess the impact of industrialization on the composition and sources of PM affecting air quality in these two locations, positive matrix factorization coupled with dispersion normalization (DN-PMF) was used to identify six and eight factors at Simcoe and Hamilton, respectively. The Simcoe factors in order of diminishing PM mass contribution were: particulate sulphate (pSO4), secondary organic aerosol (SOA), crustal matter, particulate nitrate (pNO3), biomass burning, and vehicular emissions. At Hamilton, the effects of industrialization were observed by the ∼36% higher average ambient PM2.5 concentration for the study period as well as the presence of factors unique to metallurgy, i.e., coking and steelmaking, compared to Simcoe. The coking and steelmaking factors contributed ∼15% to the PM mass at Hamilton. Seasonal variants of appropriate nonparametric trend tests with the associated slopes (Sen's) were used to assess statistically significant changes in the factor contributions to PM2.5 over time. Specifically at Hamilton, a significant decline in PM contributions was noted for coking (-0.03 μg/m³/yr or -4.1%/yr) while steelmaking showed no statistically significant decline over the study period. Other factors at Hamilton that showed statistically significant declines over the study period were: pSO4 (-0.27 μg/m³/yr or -12.6%/yr), biomass burning (-0.05 μg/m³/yr or -9.02%/yr), crustal matter (-0.03 μg/m³/yr or -5.28%/yr). These factors mainly accounted for the significant decline in PM2.5 over the study period (-0.35 μg/m³/yr or -4.24%/yr). This work shows the importance of long-term monitoring in assessing the unique contributions and temporal changes of industrialization on air quality in Ontario and similarly affected locations.
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Affiliation(s)
- Mahmoud M Yassine
- Analysis and Air Quality Section, Air Quality Research Division, Science and Technology Branch, Environment and Climate Change Canada, 335 River Road, Ottawa, ON, K1A 0H3, Canada
| | - Ewa Dabek-Zlotorzynska
- Analysis and Air Quality Section, Air Quality Research Division, Science and Technology Branch, Environment and Climate Change Canada, 335 River Road, Ottawa, ON, K1A 0H3, Canada
| | - Valbona Celo
- Analysis and Air Quality Section, Air Quality Research Division, Science and Technology Branch, Environment and Climate Change Canada, 335 River Road, Ottawa, ON, K1A 0H3, Canada
| | - Uwayemi M Sofowote
- Environmental Monitoring and Reporting Branch, Ontario Ministry of the Environment, Conservation and Parks, Toronto, Canada.
| | - Dennis Mooibroek
- Centre for Environmental Monitoring, National Institute for Public Health and the Environment (RIVM), A. van Leeuwenhoeklaan 9, P.O. Box 1, 3720, BA, Bilthoven, the Netherlands
| | - Philip K Hopke
- Institute for a Sustainable Environment, Clarkson University, Potsdam, NY, USA; Department of Public Health Sciences, University of Rochester School of Medicine and Dentistry, Rochester, NY, USA
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9
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Shahpoury P, Lelieveld S, Johannessen C, Berkemeier T, Celo V, Dabek-Zlotorzynska E, Harner T, Lammel G, Nenes A. Influence of aerosol acidity and organic ligands on transition metal solubility and oxidative potential of fine particulate matter in urban environments. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 906:167405. [PMID: 37777133 DOI: 10.1016/j.scitotenv.2023.167405] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/10/2023] [Revised: 08/31/2023] [Accepted: 09/25/2023] [Indexed: 10/02/2023]
Abstract
The adverse health effects of air pollution around the world have been associated with the inhalation of fine particulate matter (PM2.5). Such outcomes are thought to be related to the induction of oxidative stress due to the excess formation of reactive oxygen species (ROS) in the respiratory and cardiovascular systems. The ability of airborne chemicals to deplete antioxidants and to form ROS is known as oxidative potential (OP). Here we studied the influence of aerosol acidity and organic ligands on the solubility of transition metals, in particular iron (Fe) and copper (Cu), and on the OP of PM2.5 from Canadian National Air Pollution Surveillance urban sites in Toronto, Vancouver, and Hamilton. Using chemical assays and model simulations of the lung redox chemistry, we quantified ROS formation in the lung lining fluid, targeting superoxide anion (O2•-), hydrogen peroxide (H2O2), and hydroxyl radical (•OH), as well as the PM2.5 redox potential (RP). Experimental •OH formation (OPOH) showed high correlations with RP and model-predicted ROS metrics. Both aerosol acidity and oxalate content enhanced the solubility of transition metals, with oxalate showing a stronger association. While experimental OP metrics were primarily associated with species of primary origin such as elemental carbon, Fe, and Cu, model-predicted ROS were associated with secondary processes including proton- and ligand-mediated dissolution of Fe. Model simulations showed that water-soluble Cu was the main contributor to O2•- formation, while water-soluble Fe dominated the formation of highly reactive •OH radical, particularly at study sites with highly acidic aerosol and elevated levels of oxalate. This study underscores the importance of reducing transition metal emissions in urban environments to improve population health.
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Affiliation(s)
- Pourya Shahpoury
- Environmental and Life Sciences, Trent University, Peterborough, Canada; Multiphase Chemistry Department, Max Planck Institute for Chemistry, Mainz, Germany.
| | - Steven Lelieveld
- Multiphase Chemistry Department, Max Planck Institute for Chemistry, Mainz, Germany
| | | | - Thomas Berkemeier
- Multiphase Chemistry Department, Max Planck Institute for Chemistry, Mainz, Germany
| | - Valbona Celo
- Analysis and Air Quality Section, Environment and Climate Change Canada, Ottawa, Canada
| | | | - Tom Harner
- Air Quality Processes Research Section, Environment and Climate Change Canada, Toronto, Canada
| | - Gerhard Lammel
- Multiphase Chemistry Department, Max Planck Institute for Chemistry, Mainz, Germany
| | - Athanasios Nenes
- Laboratory of Atmospheric Processes and their Impacts, School of Architecture, Civil and Environmental Engineering, École Polytechnique Fédérale de Lausanne, Switzerland; Center for the Study of Air Quality and Climate Change, Institute of Chemical Engineering Sciences, Foundation for Research and Technology Hellas, Patras, Greece
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10
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Vaccarella E, Piacentini D, Falasca G, Canepari S, Massimi L. In-vivo exposure of a plant model organism for the assessment of the ability of PM samples to induce oxidative stress. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 900:165694. [PMID: 37516174 DOI: 10.1016/j.scitotenv.2023.165694] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/17/2023] [Revised: 06/26/2023] [Accepted: 07/19/2023] [Indexed: 07/31/2023]
Abstract
This study aims to propose an innovative, simple, rapid, and cost-effective method to study oxidative stress induced by PM through in-vivo exposure of the plant model organism Arabidopsis thaliana. A. thaliana seedlings were exposed to urban dust certified for its elemental content and to PM2.5 samples collected in an urban-industrial area of Northern Italy. An innovative technique for the detachment and suspension in water of the whole intact dust from membrane filters was applied to expose the model organism to both the soluble and insoluble fractions of PM2.5, which were analyzed for 34 elements by ICP-MS. Oxidative stress induced by PM on A. thaliana was assessed by light microscopic localization and UV-Vis spectrophotometric determination of superoxide anion (O2-) content on the exposed seedlings by using the nitro blue tetrazole (NBT) assay. The results showed a good efficiency and sensitivity of the method for PM mass concentrations >20 μg m-3 and an increase in O2- content in all exposed seedlings, which mainly depends on the concentration, chemical composition, and sources of the PM administered to the model organism. Particles released by biomass burning appeared to contribute more to the overall toxicity of PM. This method was found to be cost-effective and easy to apply to PM collected on membrane filters in intensive monitoring campaigns in order to obtain valuable information on the ability of PM to generate oxidative stress in living organisms.
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Affiliation(s)
- Emanuele Vaccarella
- Department of Environmental Biology, Sapienza University of Rome, P. le Aldo Moro, 5, Rome 00185, Italy
| | - Diego Piacentini
- Department of Environmental Biology, Sapienza University of Rome, P. le Aldo Moro, 5, Rome 00185, Italy
| | - Giuseppina Falasca
- Department of Environmental Biology, Sapienza University of Rome, P. le Aldo Moro, 5, Rome 00185, Italy
| | - Silvia Canepari
- Department of Environmental Biology, Sapienza University of Rome, P. le Aldo Moro, 5, Rome 00185, Italy; C.N.R. Institute of Atmospheric Pollution Research, Via Salaria, Km 29,300, Monterotondo St., Rome 00015, Italy
| | - Lorenzo Massimi
- Department of Environmental Biology, Sapienza University of Rome, P. le Aldo Moro, 5, Rome 00185, Italy; C.N.R. Institute of Atmospheric Pollution Research, Via Salaria, Km 29,300, Monterotondo St., Rome 00015, Italy.
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11
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Barbier E, Carpentier J, Simonin O, Gosset P, Platel A, Happillon M, Alleman LY, Perdrix E, Riffault V, Chassat T, Lo Guidice JM, Anthérieu S, Garçon G. Oxidative stress and inflammation induced by air pollution-derived PM 2.5 persist in the lungs of mice after cessation of their sub-chronic exposure. ENVIRONMENT INTERNATIONAL 2023; 181:108248. [PMID: 37857188 DOI: 10.1016/j.envint.2023.108248] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/12/2023] [Revised: 09/28/2023] [Accepted: 10/03/2023] [Indexed: 10/21/2023]
Abstract
More than 7 million early deaths/year are attributable to air pollution. Current health concerns are especially focused on air pollution-derived particulate matter (PM). Although oxidative stress-induced airway inflammation is one of the main adverse outcome pathways triggered by air pollution-derived PM, the persistence of both these underlying mechanisms, even after exposure cessation, remained poorly studied. In this study, A/JOlaHsd mice were also exposed acutely (24 h) or sub-chronically (4 weeks), with or without a recovery period (12 weeks), to two urban PM2.5 samples collected during contrasting seasons (i.e., autumn/winter, AW or spring/summer, SS). The distinct intrinsic oxidative potentials (OPs) of AW and SS PM2.5, as evaluated in acellular conditions, were closely related to their respective physicochemical characteristics and their respective ability to really generate ROS over-production in the mouse lungs. Despite the early activation of the nuclear factor erythroid 2-related factor 2 (Nrf2) cell signaling pathway by AW and, in a lesser degree, SS PM2.5, in the murine lungs after acute and sub-chronic exposures, the critical redox homeostasis was not restored, even after the exposure cessation. Accordingly, an inflammatory response was reported through the activation of the nuclear factor-kappa B (NF-κB) cell signaling pathway activation, the secretion of cytokines, and the recruitment of inflammatory cells, in the murine lungs after the acute and sub-chronic exposures to AW and, in a lesser extent, to SS PM2.5, which persisted after the recovery period. Taken together, these original results provided, for the first time, new relevant insights that air pollution-derived PM2.5, with relatively high intrinsic OPs, induced oxidative stress and inflammation, which persisted admittedly at a lower level in the lungs after the exposure cessation, thereby contributing to the occurrence of molecular and cellular adverse events leading to the development and/or exacerbation of future chronic inflammatory lung diseases and even cancers.
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Affiliation(s)
- Emeline Barbier
- Univ. Lille, CHU Lille, Institut Pasteur de Lille, ULR4483-IMPECS, France
| | - Jessica Carpentier
- Univ. Lille, CHU Lille, Institut Pasteur de Lille, ULR4483-IMPECS, France
| | - Ophélie Simonin
- Univ. Lille, CHU Lille, Institut Pasteur de Lille, ULR4483-IMPECS, France
| | - Pierre Gosset
- Service d'Anatomo-pathologie, Hôpital Saint Vincent de Paul, Lille, France
| | - Anne Platel
- Univ. Lille, CHU Lille, Institut Pasteur de Lille, ULR4483-IMPECS, France
| | - Mélanie Happillon
- Univ. Lille, CHU Lille, Institut Pasteur de Lille, ULR4483-IMPECS, France
| | - Laurent Y Alleman
- IMT Nord Europe, Institut Mines-Télécom, Univ. Lille, Centre for Energy and Environment, Lille, France
| | - Esperanza Perdrix
- IMT Nord Europe, Institut Mines-Télécom, Univ. Lille, Centre for Energy and Environment, Lille, France
| | - Véronique Riffault
- IMT Nord Europe, Institut Mines-Télécom, Univ. Lille, Centre for Energy and Environment, Lille, France
| | - Thierry Chassat
- Institut Pasteur de Lille, Plateforme d'Expérimentation et de Haute Technologie Animale, Lille, France
| | | | | | - Guillaume Garçon
- Univ. Lille, CHU Lille, Institut Pasteur de Lille, ULR4483-IMPECS, France.
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12
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Lin W, Lai Y, Zhuang S, Wei Q, Zhang H, Hu Q, Cheng P, Zhang M, Zhai Y, Wang Q, Han Z, Hou H. The effects of prenatal PM 2.5 oxidative potential exposure on feto-placental vascular resistance and fetal weight: A repeated-measures study. ENVIRONMENTAL RESEARCH 2023; 234:116543. [PMID: 37406720 DOI: 10.1016/j.envres.2023.116543] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/23/2023] [Revised: 06/27/2023] [Accepted: 07/01/2023] [Indexed: 07/07/2023]
Abstract
BACKGROUND Feto-placental hemodynamic deterioration is a critical contributing factor to fetal growth restriction. Whether PM2.5 oxidative potential (OP) affects feto-placental hemodynamics and what impact is on estimated fetal weight (EFW) have not been fully elucidated. We sought to evaluate the association of PM2.5 OP with EFW and to explore whether feto-placental vascular impedance hemodynamic change is a possible mediator in this association. METHODS A repeated-measures study was conducted involving sixty pregnant women with at least 26 weeks of follow-up during pregnancy in Guangzhou, China, from September 2017 to October 2018. Daily filter-based PM2.5 samples were prospectively collected from ground monitors, and estimates of OP for PM2.5 and its metallic (OPv-metal) and non-metallic constituents (OPv-nonmental) were determined by dithiothreitol assay. Ultrasound data of fetal growth and umbilical arterial resistance, including estimated fetal weight (EFW), pulsatility index, resistance index, and systolic-to-diastolic ratio, were also obtained during gestation. Generalized estimating equations and polynomial distribution lag models were applied to analyze the associations of maternal exposure to PM2.5 OP with EFW and umbilical artery indices. Causal mediation analysis was used to evaluate the mediating role of umbilical arterial resistance. RESULTS Prenatal exposure to ambient PM2.5 OP was significantly inversely associated with EFW. The magnitudes of effects of OPv-nonmetal on EFW were larger than those of OPv-metal. Significant mediation for the relationship between PM2.5-related OP and EFW by increased impedance in the umbilical artery was observed, with the estimated percent mediated ranging from 31% to 61%. The estimated percent mediated for OPv-nonmetal was higher than those for OPv-metal. CONCLUSIONS Findings suggest that increased impedance in the umbilical artery may be one of the potential mediators of the relationship between PM2.5 oxidative potential exposure and low fetal weight.
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Affiliation(s)
- Weiwei Lin
- Department of Occupational and Environmental Health, School of Public Health, Sun Yat-Sen University, Guangzhou, 510080, China.
| | - Yuming Lai
- Department of Occupational and Environmental Health, School of Public Health, Sun Yat-Sen University, Guangzhou, 510080, China
| | - Shuling Zhuang
- Department of Occupational and Environmental Health, School of Public Health, Sun Yat-Sen University, Guangzhou, 510080, China
| | - Qiannan Wei
- Department of Occupational and Environmental Health, School of Public Health, Sun Yat-Sen University, Guangzhou, 510080, China
| | - Hedi Zhang
- Department of Occupational and Environmental Health, School of Public Health, Sun Yat-Sen University, Guangzhou, 510080, China
| | - Qiansheng Hu
- Department of Occupational and Environmental Health, School of Public Health, Sun Yat-Sen University, Guangzhou, 510080, China
| | - Peng Cheng
- Institute of Mass Spectrometry and Atmospheric Environment, Guangdong Provincial Engineering, Research Center for On-line Source Apportionment System of Air Pollution, Jinan University, Guangzhou, 510632, China; Guangdong-Hongkong-Macau Joint Laboratory of Collaborative Innovation for Environmental Quality, Guangzhou, 510632, China.
| | - Manman Zhang
- Institute of Mass Spectrometry and Atmospheric Environment, Guangdong Provincial Engineering, Research Center for On-line Source Apportionment System of Air Pollution, Jinan University, Guangzhou, 510632, China
| | - Yuhong Zhai
- Guangdong Ecological and Environmental Monitoring Center, State Environmental Protection Key Laboratory of Regional Air Quality Monitoring, Guangzhou, 510308, China
| | - Qingqing Wang
- Department of Obstetrics and Gynecology, The Third Affiliated Hospital of Sun Yat-Sen University, Guangzhou, 510632, China
| | - Zhenyan Han
- Department of Obstetrics and Gynecology, The Third Affiliated Hospital of Sun Yat-Sen University, Guangzhou, 510632, China
| | - Hongying Hou
- Department of Obstetrics and Gynecology, The Third Affiliated Hospital of Sun Yat-Sen University, Guangzhou, 510632, China
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13
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Gupta AD, Gupta T. A review on potential approach for in silico toxicity analysis of respirable fraction of ambient particulate matter. ENVIRONMENTAL MONITORING AND ASSESSMENT 2023; 195:1216. [PMID: 37715017 DOI: 10.1007/s10661-023-11859-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Accepted: 09/11/2023] [Indexed: 09/17/2023]
Abstract
Epidemiological and toxicological studies have shown the adverse effect of ambient particulate matter (PM) on respiratory and cardiovascular systems inside the human body. Various cellular and acellular assays in literature use indicators like ROS generation, cell inflammation, mutagenicity, etc., to assess PM toxicity and associated health effects. The presence of toxic compounds in respirable PM needs detailed studies for proper understanding of absorption, distribution, metabolism, and excretion mechanisms inside the body as it is difficult to accurately imitate or simulate these mechanisms in lab or animal models. The leaching kinetics of the lung fluid, PM composition, retention time, body temperature, etc., are hard to mimic in an artificial experimental setup. Moreover, the PM size fraction also plays an important role. For example, the ultrafine particles may directly enter systemic circulations while coarser PM10 may be trapped and deposited in the tracheo-bronchial region. Hence, interpretation of these results in toxicity models should be done judiciously. Computational models predicting PM toxicity are rare in the literature. The variable composition of PM and lack of proper understanding for their synergistic role inside the body are prime reasons behind it. This review explores different possibilities of in silico modeling and suggests possible approaches for the risk assessment of PM particles. The toxicity testing approach for engineered nanomaterials, drugs, food industries, etc., have also been investigated for application in computing PM toxicity.
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Affiliation(s)
- Aman Deep Gupta
- Atmospheric Particle Technology Lab at Centre for Environmental Science and Engineering and Department of Civil Engineering, Indian Institute of Technology Kanpur, Uttar Pradesh, Pin-208016, India
| | - Tarun Gupta
- Atmospheric Particle Technology Lab at Centre for Environmental Science and Engineering and Department of Civil Engineering, Indian Institute of Technology Kanpur, Uttar Pradesh, Pin-208016, India.
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14
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Inesta-Vaquera F, Miyashita L, Grigg J, Henderson CJ, Wolf CR. Defining the in vivo mechanism of air pollutant toxicity using murine stress response biomarkers. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 888:164211. [PMID: 37196967 DOI: 10.1016/j.scitotenv.2023.164211] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/15/2022] [Revised: 05/10/2023] [Accepted: 05/12/2023] [Indexed: 05/19/2023]
Abstract
Air pollution can cause a wide range of serious human diseases. For the informed instigation of interventions which prevent these outcomes there is an urgent need to develop robust in vivo biomarkers which provide insights into mechanisms of toxicity and relate pollutants to specific adverse outcomes. We exemplify for a first time the application of in vivo stress response reporters in establishing mechanisms of air pollution toxicity and the application of this knowledge in epidemiological studies. We first demonstrated the utility of reporter mice to understand toxicity mechanisms of air pollutants using diesel exhaust particles compounds. We observed that nitro-PAHs induced Hmox1 and CYP1a1 reporters in a time- and dose-dependent, cell- and tissue-specific manner. Using in vivo genetic and pharmacological approaches we confirmed that the NRF2 pathway mediated this Hmox1-reporter induction stress reporter activity. We then correlated the activation of stress-reporter models (oxidative stress/inflammation, DNA damage and Ah receptor -AhR- activity) with responses in primary human nasal cells exposed to chemicals present in particulate matter (PM; PM2.5-SRM2975, PM10-SRM1648b) or fresh roadside PM10. To exemplify their use in clinical studies, Pneumococcal adhesion was assessed in exposed primary human nasal epithelial cells (HPNEpC). The combined use of HPNEpC and in vivo reporters demonstrated that London roadside PM10 particles induced pneumococcal infection in HPNEpC mediated by oxidative stress responses. The combined use of in vivo reporter models with human data thus provides a robust approach to define the relationship between air pollutant exposure and health risks. Moreover, these models can be used in epidemiological studies to hazard ranking environmental pollutants by considering the complexity of mechanisms of toxicity. These data will facilitate the relationship between toxic potential and the level of pollutant exposure in populations to be established and potentially extremely valuable tools for intervention studies for disease prevention.
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Affiliation(s)
- Francisco Inesta-Vaquera
- Division of Systems Medicine, School of Medicine, University of Dundee, Jacqui Wood Cancer Centre, Ninewells Hospital, Dundee DD1 9SY, UK
| | | | | | - Colin J Henderson
- Division of Systems Medicine, School of Medicine, University of Dundee, Jacqui Wood Cancer Centre, Ninewells Hospital, Dundee DD1 9SY, UK
| | - C Roland Wolf
- Division of Systems Medicine, School of Medicine, University of Dundee, Jacqui Wood Cancer Centre, Ninewells Hospital, Dundee DD1 9SY, UK.
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15
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Jia Y, Li W, Li Y, Zhao L, Li C, Wang L, Fang J, Song S, Ji Y, Fang T, Zhang J, Guo L, Li P. The Levels of Polycyclic Aromatic Hydrocarbons and Their Derivatives in Plasma and Their Effect on Mitochondrial DNA Methylation in the Oilfield Workers. TOXICS 2023; 11:toxics11050466. [PMID: 37235280 DOI: 10.3390/toxics11050466] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/26/2023] [Revised: 05/14/2023] [Accepted: 05/15/2023] [Indexed: 05/28/2023]
Abstract
This study focuses on the components and levels of polycyclic aromatic hydrocarbons (PAHs) and their derivatives (MPAHs and OPAHs) in plasma samples from 19 oil workers, pre- and post-workshift, and their exposure-response relationship with mitochondrial DNA (mtDNA) methylation. PAH, MPAH, OPAH, and platelet mtDNA methylation levels were determined using a gas chromatograph mass spectrometer (GC-MS) and a pyrosequencing protocol, respectively. The total plasma concentrations of PAHs in mean value were, respectively, 31.4 ng/mL and 48.6 ng/mL in pre- and post-workshift, and Phe was the most abundant (13.3 ng/mL in pre-workshift and 22.1 ng/mL in post-workshift, mean value). The mean values of total concentrations of MPAHs and OPAHs in the pre-workshift were 2.7 ng/mL and 7.2 ng/mL, while in the post-workshift, they were 4.5 ng/mL and 8.7 ng/mL, respectively. The differences in the mean MT-COX1, MT-COX2, and MT-COX3 methylation levels between pre- and post-workshift were 2.36%, 5.34%, and 0.56%. Significant (p < 0.05) exposure-response relationships were found between PAHs and mtDNA methylation in the plasma of workers; exposure to Anthracene (Ant) could induce the up-regulation of the methylation of MT-COX1 (β = 0.831, SD = 0.105, p < 0.05), and exposure to Fluorene (Flo) and Phenanthrene (Phe) could induce the up-regulation of methylation of MT-COX3 (β = 0.115, SD = 0.042, p < 0.05 and β = 0.036, SD = 0.015, p < 0.05, respectively). The results indicated that exposure to PAHs was an independent factor influencing mtDNA methylation.
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Affiliation(s)
- Yaning Jia
- Institute of Disaster and Emergency Medicine, Tianjin University, Tianjin 300072, China
- Tianjin Fourth Central Hospital, Tianjin 300140, China
- Wenzhou Safety (Emergency) Institute, Tianjin University, Wenzhou 325000, China
| | - Weixia Li
- Institute of Disaster and Emergency Medicine, Tianjin University, Tianjin 300072, China
- Tianjin Fourth Central Hospital, Tianjin 300140, China
- Wenzhou Safety (Emergency) Institute, Tianjin University, Wenzhou 325000, China
| | - Yanlin Li
- Tianjin Boshengyuan Environmental Technology Center, Tianjin 300381, China
| | - Lei Zhao
- Institute of Disaster and Emergency Medicine, Tianjin University, Tianjin 300072, China
- Tianjin Fourth Central Hospital, Tianjin 300140, China
- Wenzhou Safety (Emergency) Institute, Tianjin University, Wenzhou 325000, China
| | - Chenguang Li
- School of Environmental Science and Safety Engineering, Tianjin University of Technology, Tianjin 300384, China
- Tianjin Key Laboratory of Hazardous Waste Safety Disposal and Recycling Technology, Tianjin 300384, China
| | - Lei Wang
- Hebei Research Center for Geoanalysis, Baoding 071000, China
| | - Junkai Fang
- Tianjin Institute of Medical & Pharmaceutical Sciences, Tianjin 300070, China
| | - Shanjun Song
- National Institute of Metrology, Beijing 100029, China
| | - Yaqin Ji
- College of Environmental Science and Engineering, Nankai University, Tianjin 300071, China
| | - Tao Fang
- Institute of Disaster and Emergency Medicine, Tianjin University, Tianjin 300072, China
- Tianjin Fourth Central Hospital, Tianjin 300140, China
- Wenzhou Safety (Emergency) Institute, Tianjin University, Wenzhou 325000, China
| | - Jing Zhang
- School of Environmental Science and Safety Engineering, Tianjin University of Technology, Tianjin 300384, China
- Tianjin Key Laboratory of Hazardous Waste Safety Disposal and Recycling Technology, Tianjin 300384, China
| | - Liqiong Guo
- Institute of Disaster and Emergency Medicine, Tianjin University, Tianjin 300072, China
- Tianjin Fourth Central Hospital, Tianjin 300140, China
- Wenzhou Safety (Emergency) Institute, Tianjin University, Wenzhou 325000, China
| | - Penghui Li
- School of Environmental Science and Safety Engineering, Tianjin University of Technology, Tianjin 300384, China
- Tianjin Key Laboratory of Hazardous Waste Safety Disposal and Recycling Technology, Tianjin 300384, China
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16
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Guascito MR, Lionetto MG, Mazzotta F, Conte M, Giordano ME, Caricato R, De Bartolomeo AR, Dinoi A, Cesari D, Merico E, Mazzotta L, Contini D. Characterisation of the correlations between oxidative potential and in vitro biological effects of PM 10 at three sites in the central Mediterranean. JOURNAL OF HAZARDOUS MATERIALS 2023; 448:130872. [PMID: 36716558 DOI: 10.1016/j.jhazmat.2023.130872] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/03/2022] [Revised: 12/09/2022] [Accepted: 01/24/2023] [Indexed: 06/18/2023]
Abstract
Atmospheric particulate matter (PM) is one of the major risks for global health. The exact mechanisms of toxicity are still not completely understood leading to contrasting results when different toxicity metrics are compared. In this work, PM10 was collected at three sites for the determination of acellular oxidative potential (OP), intracellular oxidative stress (OSGC), cytotoxicity (MTT assay), and genotoxicity (Comet assay). The in vitro tests were done on the A549 cell line. The objective was to investigate the correlations among acellular and intracellular toxicity indicators, the variability among the sites, and how these correlations were influenced by the main sources by using PMF receptor model coupled with MLR. The OPDTTV, OSGCV, and cytotoxicity were strongly influenced by combustion sources. Advection of African dust led to lower-than-average intrinsic toxicity indicators. OPDTTV and OSGCV showed site-dependent correlations suggesting that acellular OP may not be fully representative of the intracellular oxidative stress at all sites and conditions. Cytotoxicity correlated with both OPDTTV and OSGCV at two sites out of three and the strength of the correlation was larger with OSGCV. Genotoxicity was correlated with cytotoxicity at all sites and correlated with both, OPDTTV and OSGCV, at two sites out of three. Results suggest that several toxicity indicators are useful to gain a global picture of the potential health effects of PM.
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Affiliation(s)
- Maria Rachele Guascito
- Department of Environmental and Biological Sciences and Technologies (DISTEBA), University of Salento, Lecce 73100, Italy; Institute of Atmospheric Sciences and Climate, ISAC-CNR, Str. Prv. Lecce-Monteroni km 1.2, 73100 Lecce, Italy
| | - Maria Giulia Lionetto
- Department of Environmental and Biological Sciences and Technologies (DISTEBA), University of Salento, Lecce 73100, Italy
| | - Franco Mazzotta
- Studio Effemme Chimica Applicata, s.r.l. Via Pio XII, 73018 Squinzano, Italy
| | - Marianna Conte
- Laboratory for Observations and Analyses of Earth and Climate, Agenzia Nazionale per le Nuove Tecnologie, l'Energia e lo Sviluppo Economico Sostenibile (ENEA), 00123 Roma, Italy
| | - Maria Elena Giordano
- Department of Environmental and Biological Sciences and Technologies (DISTEBA), University of Salento, Lecce 73100, Italy
| | - Roberto Caricato
- Department of Environmental and Biological Sciences and Technologies (DISTEBA), University of Salento, Lecce 73100, Italy
| | - Anna Rita De Bartolomeo
- Department of Environmental and Biological Sciences and Technologies (DISTEBA), University of Salento, Lecce 73100, Italy
| | - Adelaide Dinoi
- Institute of Atmospheric Sciences and Climate, ISAC-CNR, Str. Prv. Lecce-Monteroni km 1.2, 73100 Lecce, Italy
| | - Daniela Cesari
- Institute of Atmospheric Sciences and Climate, ISAC-CNR, Str. Prv. Lecce-Monteroni km 1.2, 73100 Lecce, Italy
| | - Eva Merico
- Institute of Atmospheric Sciences and Climate, ISAC-CNR, Str. Prv. Lecce-Monteroni km 1.2, 73100 Lecce, Italy
| | - Laura Mazzotta
- Studio Effemme Chimica Applicata, s.r.l. Via Pio XII, 73018 Squinzano, Italy
| | - Daniele Contini
- Institute of Atmospheric Sciences and Climate, ISAC-CNR, Str. Prv. Lecce-Monteroni km 1.2, 73100 Lecce, Italy.
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17
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Despréaux P, Jeanton C, Desaulle D, Al Zallouha M, Verdin A, Momas I, Achard S. Innovative graph analysis method to assess gene expression modulation after fine particles exposures of 3D human airway epithelia. ENVIRONMENTAL RESEARCH 2023; 221:115296. [PMID: 36642119 DOI: 10.1016/j.envres.2023.115296] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/09/2022] [Revised: 12/27/2022] [Accepted: 01/11/2023] [Indexed: 06/17/2023]
Abstract
Environmental particles have dramatic consequences for health, especially for the most vulnerable people, such as asthmatics. To better understand the impact on gene expression modulation of fine particles (PM2.5-0.3) from different emission sources, a 3D-airway model, a human bronchial epithelium (MucilAir-HF™) reconstructed from primary cells from healthy (EpiH) or asthmatic (EpiA) donors, was used. Repeated air-liquid exposures were performed, and epithelia were sacrificed to extract RNAs and assess gene expression. Data were analyzed according to the emission sources, physiological status, and exposure doses using a recent model consisting in a graph analysis on pairwise expression ratio. The results were compared with those from the classical ΔΔCt method. The graph analysis method proved to have better statistical properties than the classical ΔΔCt method and demonstrated that repeated PM2.5-0.3 exposures induced a dose-dependent up-regulation of the metabolic gene (CYP1B1) and a down-regulation of the inflammation gene (CXCL10). These modulations were greater for "industrial" than for "urban traffic" fine particles, and the effects were found to be greater after exposure of EpiA than EpiH, thus emphasizing the importance of the epithelium's physiological status in sensitivity to particles. Our study is original in terms of the experimental conditions and the graphical statistical analysis model established. The results highlight the importance of particle chemistry on the modulation of cellular and molecular responses, which may vary according to the individual's vulnerability.
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Affiliation(s)
- Philomène Despréaux
- Université Paris Cité, Faculté de Pharmacie, CRESS INSERM UMR 1153, équipe HERA (Health Environmental Risk Assessment), Paris, France
| | - Capucine Jeanton
- Université Paris Cité, Faculté de Pharmacie, CRESS INSERM UMR 1153, équipe HERA (Health Environmental Risk Assessment), Paris, France
| | - Dorota Desaulle
- Université Paris Cité, Faculté de Pharmacie, UR 7537 - BioSTM (Biostatistique, Traitement et Modélisation des données biologiques), Paris, France
| | - Margueritta Al Zallouha
- Université Paris Cité, Faculté de Pharmacie, CRESS INSERM UMR 1153, équipe HERA (Health Environmental Risk Assessment), Paris, France
| | - Anthony Verdin
- Université du Littoral Côte d'Opale, Unité de Chimie Environnementale et Interactions sur le Vivant (UCEIV) UR4492, SFR Condorcet CNRS 3417, Dunkerque, France
| | - Isabelle Momas
- Université Paris Cité, Faculté de Pharmacie, CRESS INSERM UMR 1153, équipe HERA (Health Environmental Risk Assessment), Paris, France
| | - Sophie Achard
- Université Paris Cité, Faculté de Pharmacie, CRESS INSERM UMR 1153, équipe HERA (Health Environmental Risk Assessment), Paris, France.
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18
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Clemente Á, Gil-Moltó J, Yubero E, Juárez N, Nicolás JF, Crespo J, Galindo N. Sensitivity of PM 10 oxidative potential to aerosol chemical composition at a Mediterranean urban site: ascorbic acid versus dithiothreitol measurements. AIR QUALITY, ATMOSPHERE, & HEALTH 2023; 16:1165-1172. [PMID: 37303961 PMCID: PMC10009354 DOI: 10.1007/s11869-023-01332-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Accepted: 02/24/2023] [Indexed: 06/13/2023]
Abstract
The oxidative potential (OP) of PM10 daily samples collected at a traffic site in southeastern Spain during summer and winter was assessed by two acellular assays: the ascorbic acid (AA) and dithiothreitol (DTT) methods. Although PM10 levels were similar during both periods, OP values (expressed in nmol min-1 m-3) showed a defined seasonal trend. The AA activity was higher in summer than in winter, whereas the DTT reactivity exhibited an opposite seasonal pattern. Both assays were sensitive to different PM10 components, as shown by the results of the linear correlation analysis. Moreover, the relationship between OP values and PM10 chemical species was not the same during summer and winter, indicating that particle toxicity is associated with different sources during the warm and cold seasons. When OP values were expressed on a mass basis (nmol min-1 µg-1), lower correlation coefficients with PM10 chemical species were generally obtained compared to volume-normalized activities. These outcomes suggest that only some specific components have a significant intrinsic oxidative potential. Supplementary Information The online version contains supplementary material available at 10.1007/s11869-023-01332-1.
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Affiliation(s)
- Á. Clemente
- Atmospheric Pollution Laboratory (LCA), Department of Applied Physics, Miguel Hernández University, Avenida de La Universidad S/N, 03202 Elche, Spain
| | - J. Gil-Moltó
- Atmospheric Pollution Laboratory (LCA), Department of Applied Physics, Miguel Hernández University, Avenida de La Universidad S/N, 03202 Elche, Spain
| | - E. Yubero
- Atmospheric Pollution Laboratory (LCA), Department of Applied Physics, Miguel Hernández University, Avenida de La Universidad S/N, 03202 Elche, Spain
| | - N. Juárez
- Atmospheric Pollution Laboratory (LCA), Department of Applied Physics, Miguel Hernández University, Avenida de La Universidad S/N, 03202 Elche, Spain
| | - J. F. Nicolás
- Atmospheric Pollution Laboratory (LCA), Department of Applied Physics, Miguel Hernández University, Avenida de La Universidad S/N, 03202 Elche, Spain
| | - J. Crespo
- Atmospheric Pollution Laboratory (LCA), Department of Applied Physics, Miguel Hernández University, Avenida de La Universidad S/N, 03202 Elche, Spain
| | - N. Galindo
- Atmospheric Pollution Laboratory (LCA), Department of Applied Physics, Miguel Hernández University, Avenida de La Universidad S/N, 03202 Elche, Spain
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19
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Pietrogrande MC, Colombi C, Cuccia E, Dal Santo U, Romanato L. Seasonal and Spatial Variations of the Oxidative Properties of Ambient PM 2.5 in the Po Valley, Italy, before and during COVID-19 Lockdown Restrictions. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2023; 20:1797. [PMID: 36767162 PMCID: PMC9914037 DOI: 10.3390/ijerph20031797] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/22/2022] [Revised: 01/12/2023] [Accepted: 01/14/2023] [Indexed: 06/18/2023]
Abstract
This study describes the chemical and toxicological characteristics of fine particulate matter (PM2.5) in the Po Valley, one of the largest and most polluted areas in Europe. The investigated samples were collected in the metropolitan area of Milan during the epidemic lockdown and their toxicity was evaluated by the oxidative potential (OP), measured using ascorbic acid (OPAA) and dithiothreitol (OPDTT) acellular assays. The study was also extended to PM2.5 samples collected at different sites in the Po Valley in 2019, to represent the baseline conditions in the area. Univariate correlations were applied to the whole dataset to link the OP responses with the concentrations of the major chemical markers of vehicular and biomass burning emissions. Of the two assays, OPAA was found mainly sensitive towards transition metals released from vehicular traffic, while OPDTT towards the PM carbonaceous components. The impact of the controlling lockdown restrictions on PM2.5 oxidative properties was estimated by comparing the OP values in corresponding time spans in 2020 and 2019. We found that during the full lockdown the OPAA values decreased to 80-86% with respect to the OP data in other urban sites in the area, while the OPDTT values remained nearly constant.
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Affiliation(s)
- Maria Chiara Pietrogrande
- Department of Chemical, Pharmaceutical and Agricultural Sciences, University of Ferrara, Via Fossato di Mortara 17/19, 44121 Ferrara, Italy
| | - Cristina Colombi
- Environmental Monitoring Sector, Arpa Lombardia, Via Rosellini 17, 20124 Milano, Italy
| | - Eleonora Cuccia
- Environmental Monitoring Sector, Arpa Lombardia, Via Rosellini 17, 20124 Milano, Italy
| | - Umberto Dal Santo
- Environmental Monitoring Sector, Arpa Lombardia, Via Rosellini 17, 20124 Milano, Italy
| | - Luisa Romanato
- Department of Chemical, Pharmaceutical and Agricultural Sciences, University of Ferrara, Via Fossato di Mortara 17/19, 44121 Ferrara, Italy
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20
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Besis A, Romano MP, Serafeim E, Avgenikou A, Kouras A, Lionetto MG, Guascito MR, De Bartolomeo AR, Giordano ME, Mangone A, Contini D, Samara C. Size-Resolved Redox Activity and Cytotoxicity of Water-Soluble Urban Atmospheric Particulate Matter: Assessing Contributions from Chemical Components. TOXICS 2023; 11:59. [PMID: 36668785 PMCID: PMC9867266 DOI: 10.3390/toxics11010059] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/06/2022] [Revised: 01/03/2023] [Accepted: 01/05/2023] [Indexed: 06/17/2023]
Abstract
Throughout the cold and the warm periods of 2020, chemical and toxicological characterization of the water-soluble fraction of size segregated particulate matter (PM) (<0.49, 0.49−0.95, 0.95−1.5, 1.5−3.0, 3.0−7.2 and >7.2 μm) was conducted in the urban agglomeration of Thessaloniki, northern Greece. Chemical analysis of the water-soluble PM fraction included water-soluble organic carbon (WSOC), humic-like substances (HULIS), and trace elements (V, Cr, Mn, Fe, Ni, Cu, Zn, As, Cd and Pb). The bulk (sum of all size fractions) concentrations of HULIS were 2.5 ± 0.5 and 1.2 ± 0.3 μg m−3, for the cold and warm sampling periods, respectively with highest values in the <0.49 μm particle size fraction. The total HULIS-C/WSOC ratio ranged from 17 to 26% for all sampling periods, confirming that HULIS are a significant part of WSOC. The most abundant water-soluble metals were Fe, Zn, Cu, and Mn. The oxidative PM activity was measured abiotically using the dithiothreitol (DTT) assay. In vitro cytotoxic responses were investigated using mitochondrial dehydrogenase (MTT). A significant positive correlation was found between OPmDTT, WSOC, HULIS and the MTT cytotoxicity of PM. Multiple Linear Regression (MLR) showed a good relationship between OPMDTT, HULIS and Cu.
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Affiliation(s)
- Athanasios Besis
- Environmental Pollution Control Laboratory, Department of Chemistry, Aristotle University of Thessaloniki, GR-54124 Thessaloniki, Greece
| | - Maria Pia Romano
- Department of Mathematics and Physics, University of Salento, 73100 Lecce, Italy
| | - Eleni Serafeim
- Environmental Pollution Control Laboratory, Department of Chemistry, Aristotle University of Thessaloniki, GR-54124 Thessaloniki, Greece
| | - Anna Avgenikou
- Environmental Pollution Control Laboratory, Department of Chemistry, Aristotle University of Thessaloniki, GR-54124 Thessaloniki, Greece
| | - Athanasios Kouras
- Environmental Pollution Control Laboratory, Department of Chemistry, Aristotle University of Thessaloniki, GR-54124 Thessaloniki, Greece
| | - Maria Giulia Lionetto
- Department of Biological and Environmental Sciences and Technologies, University of Salento, 73100 Lecce, Italy
| | - Maria Rachele Guascito
- Department of Biological and Environmental Sciences and Technologies, University of Salento, 73100 Lecce, Italy
- Institute of Atmospheric Sciences and Climate (CNR-ISAC), 73100 Lecce, Italy
| | - Anna Rita De Bartolomeo
- Department of Biological and Environmental Sciences and Technologies, University of Salento, 73100 Lecce, Italy
| | - Maria Elena Giordano
- Department of Biological and Environmental Sciences and Technologies, University of Salento, 73100 Lecce, Italy
| | - Annarosa Mangone
- Department of Chemistry, University of Bari Aldo Moro, 70124 Bari, Italy
| | - Daniele Contini
- Institute of Atmospheric Sciences and Climate (CNR-ISAC), 73100 Lecce, Italy
| | - Constantini Samara
- Environmental Pollution Control Laboratory, Department of Chemistry, Aristotle University of Thessaloniki, GR-54124 Thessaloniki, Greece
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21
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Kim WI, Lim JO, Pak SW, Lee SJ, Shin IS, Moon C, Heo JD, Kim JC. Exposure to China dust exacerbates testicular toxicity induced by cyclophosphamide in mice. Toxicol Res 2023; 39:115-125. [PMID: 36726831 PMCID: PMC9839921 DOI: 10.1007/s43188-022-00149-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2022] [Revised: 07/26/2022] [Accepted: 08/03/2022] [Indexed: 02/04/2023] Open
Abstract
This study investigated the potential effects of China dust (CD) exposure on cyclophosphamide (CP)-induced testicular toxicity in mice, focusing on spermatogenesis and oxidative damage. CP treatment reduced testicular and epididymal weight and sperm motility and enhanced sperm abnormality. Histopathological examination presented various morphological alterations in the testis, including increased exfoliation of spermatogenic cells, degeneration of early spermatogenic cells, vacuolation of Sertoli cells, a decreased number of spermatogonia/spermatocytes/spermatids, along with a high number of apoptotic cells. In addition, the testis exhibited reduced glutathione (GSH) levels and glutathione reductase (GR) activity and enhanced malondialdehyde (MDA) concentration. Meanwhile, CD exposure exacerbated testicular histopathological alterations induced by CP. CD exposure also aggravated oxidative damage by increasing the lipid peroxidative product MDA and decreasing GSH levels and antioxidant enzyme activities in the testis. These results suggest that CD exposure exacerbates CP-induced testicular toxicity in mice, which might be attributed to the induction of lipid peroxidation and reduced antioxidant activity.
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Affiliation(s)
- Woong-Il Kim
- College of Veterinary Medicine, Chonnam National University, 77 Yongbong-ro, Buk-gu, 61186 Gwangju, Republic of Korea
| | - Je-Oh Lim
- College of Veterinary Medicine, Chonnam National University, 77 Yongbong-ro, Buk-gu, 61186 Gwangju, Republic of Korea
| | - So-Won Pak
- College of Veterinary Medicine, Chonnam National University, 77 Yongbong-ro, Buk-gu, 61186 Gwangju, Republic of Korea
| | - Se-Jin Lee
- College of Veterinary Medicine, Chonnam National University, 77 Yongbong-ro, Buk-gu, 61186 Gwangju, Republic of Korea
| | - In-Sik Shin
- College of Veterinary Medicine, Chonnam National University, 77 Yongbong-ro, Buk-gu, 61186 Gwangju, Republic of Korea
| | - Changjong Moon
- College of Veterinary Medicine, Chonnam National University, 77 Yongbong-ro, Buk-gu, 61186 Gwangju, Republic of Korea
| | - Jeong-Doo Heo
- Bioenvironmental Science & Technology Division, Korea Institute of Toxicology, 52834 Jinju, Republic of Korea
| | - Jong-Choon Kim
- College of Veterinary Medicine, Chonnam National University, 77 Yongbong-ro, Buk-gu, 61186 Gwangju, Republic of Korea
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22
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Marsal A, Slama R, Lyon-Caen S, Borlaza LJS, Jaffrezo JL, Boudier A, Darfeuil S, Elazzouzi R, Gioria Y, Lepeule J, Chartier R, Pin I, Quentin J, Bayat S, Uzu G, Siroux V. Prenatal Exposure to PM2.5 Oxidative Potential and Lung Function in Infants and Preschool- Age Children: A Prospective Study. ENVIRONMENTAL HEALTH PERSPECTIVES 2023; 131:17004. [PMID: 36695591 PMCID: PMC9875724 DOI: 10.1289/ehp11155] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/23/2022] [Revised: 11/29/2022] [Accepted: 12/20/2022] [Indexed: 06/17/2023]
Abstract
BACKGROUND Fine particulate matter (PM 2.5 ) has been found to be detrimental to respiratory health of children, but few studies have examined the effects of prenatal PM 2.5 oxidative potential (OP) on lung function in infants and preschool children. OBJECTIVES We estimated the associations of personal exposure to PM 2.5 and OP during pregnancy on offspring objective lung function parameters and compared the strengths of associations between both exposure metrics. METHODS We used data from 356 mother-child pairs from the SEPAGES cohort. PM filters collected twice during a week were analyzed for OP, using the dithiothreitol (DTT) and the ascorbic acid (AA) assays, quantifying the exposure of each pregnant woman. Lung function was assessed with tidal breathing analysis (TBFVL) and nitrogen multiple-breath washout (N 2 MBW ) test, performed at 6 wk, and airwave oscillometry (AOS) performed at 3 y. Associations of prenatal PM 2.5 mass and OP with lung function parameters were estimated using multiple linear regressions. RESULTS In neonates, an interquartile (IQR) increase in OP v DTT (0.89 nmol / min / m 3 ) was associated with a decrease in functional residual capacity (FRC) measured by N 2 MBW [β = - 2.26 mL ; 95% confidence interval (CI): - 4.68 , 0.15]. Associations with PM 2.5 showed similar patterns in comparison with OP v DTT but of smaller magnitude. Lung clearance index (LCI) and TBFVL parameters did not show any clear association with the exposures considered. At 3 y, increased frequency-dependent resistance of the lungs (Rrs 7 - 19 ) from AOS tended to be associated with higher OP v DTT (β = 0.09 hPa × s / L ; 95% CI: - 0.06 , 0.24) and OP v AA (IQR = 1.14 nmol / min / m 3 ; β = 0.12 hPa × s / L ; 95% CI: - 0.04 , 0.27) but not with PM 2.5 (IQR = 6.9 μ g / m 3 ; β = 0.02 hPa × s / L ; 95% CI: - 0.13 , 0.16). Results for FRC and Rrs 7 - 19 remained similar in OP models adjusted on PM 2.5 . DISCUSSION Prenatal exposure to OP v DTT was associated with several offspring lung function parameters over time, all related to lung volumes. https://doi.org/10.1289/EHP11155.
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Affiliation(s)
- Anouk Marsal
- Université Grenoble Alpes, Centre national de la recherche scientifique (CNRS), INRAE, IRD, INP-G, IGE (UMR 5001), Grenoble, France
- Agence de l’environnement et de la Maîtrise de l’Energie, Angers, France
| | - Rémy Slama
- Team of Environmental Epidemiology Applied to the Development and Respiratory Health, Institute for Advanced Biosciences, Inserm U 1209, CNRS UMR 5309, Université Grenoble Alpes, 38000 Grenoble, France
| | - Sarah Lyon-Caen
- Team of Environmental Epidemiology Applied to the Development and Respiratory Health, Institute for Advanced Biosciences, Inserm U 1209, CNRS UMR 5309, Université Grenoble Alpes, 38000 Grenoble, France
| | - Lucille Joanna S. Borlaza
- Université Grenoble Alpes, Centre national de la recherche scientifique (CNRS), INRAE, IRD, INP-G, IGE (UMR 5001), Grenoble, France
| | - Jean-Luc Jaffrezo
- Université Grenoble Alpes, Centre national de la recherche scientifique (CNRS), INRAE, IRD, INP-G, IGE (UMR 5001), Grenoble, France
| | - Anne Boudier
- Team of Environmental Epidemiology Applied to the Development and Respiratory Health, Institute for Advanced Biosciences, Inserm U 1209, CNRS UMR 5309, Université Grenoble Alpes, 38000 Grenoble, France
- Pediatric Department, CHU Grenoble Alpes, Grenoble, France
| | - Sophie Darfeuil
- Université Grenoble Alpes, Centre national de la recherche scientifique (CNRS), INRAE, IRD, INP-G, IGE (UMR 5001), Grenoble, France
| | - Rhabira Elazzouzi
- Université Grenoble Alpes, Centre national de la recherche scientifique (CNRS), INRAE, IRD, INP-G, IGE (UMR 5001), Grenoble, France
| | - Yoann Gioria
- Team of Environmental Epidemiology Applied to the Development and Respiratory Health, Institute for Advanced Biosciences, Inserm U 1209, CNRS UMR 5309, Université Grenoble Alpes, 38000 Grenoble, France
| | - Johanna Lepeule
- Team of Environmental Epidemiology Applied to the Development and Respiratory Health, Institute for Advanced Biosciences, Inserm U 1209, CNRS UMR 5309, Université Grenoble Alpes, 38000 Grenoble, France
| | - Ryan Chartier
- RTI International, Research Triangle Park, North Carolina, USA
| | - Isabelle Pin
- Team of Environmental Epidemiology Applied to the Development and Respiratory Health, Institute for Advanced Biosciences, Inserm U 1209, CNRS UMR 5309, Université Grenoble Alpes, 38000 Grenoble, France
- Pediatric Department, CHU Grenoble Alpes, Grenoble, France
| | - Joane Quentin
- Team of Environmental Epidemiology Applied to the Development and Respiratory Health, Institute for Advanced Biosciences, Inserm U 1209, CNRS UMR 5309, Université Grenoble Alpes, 38000 Grenoble, France
- Department of Pulmonology and Physiology, CHU Grenoble Alpes, Grenoble, France
| | - Sam Bayat
- Department of Pulmonology and Physiology, CHU Grenoble Alpes, Grenoble, France
- Université Grenoble Alpes, Inserm UA07 STOBE Laboratory, Grenoble, France
| | - Gaëlle Uzu
- Université Grenoble Alpes, Centre national de la recherche scientifique (CNRS), INRAE, IRD, INP-G, IGE (UMR 5001), Grenoble, France
| | - Valérie Siroux
- Team of Environmental Epidemiology Applied to the Development and Respiratory Health, Institute for Advanced Biosciences, Inserm U 1209, CNRS UMR 5309, Université Grenoble Alpes, 38000 Grenoble, France
| | - the SEPAGES cohort study group
- Université Grenoble Alpes, Centre national de la recherche scientifique (CNRS), INRAE, IRD, INP-G, IGE (UMR 5001), Grenoble, France
- Team of Environmental Epidemiology Applied to the Development and Respiratory Health, Institute for Advanced Biosciences, Inserm U 1209, CNRS UMR 5309, Université Grenoble Alpes, 38000 Grenoble, France
- Pediatric Department, CHU Grenoble Alpes, Grenoble, France
- Department of Pulmonology and Physiology, CHU Grenoble Alpes, Grenoble, France
- Université Grenoble Alpes, Inserm UA07 STOBE Laboratory, Grenoble, France
- RTI International, Research Triangle Park, North Carolina, USA
- Agence de l’environnement et de la Maîtrise de l’Energie, Angers, France
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23
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Juárez-Facio AT, Rogez-Florent T, Méausoone C, Castilla C, Mignot M, Devouge-Boyer C, Lavanant H, Afonso C, Morin C, Merlet-Machour N, Chevalier L, Ouf FX, Corbière C, Yon J, Vaugeois JM, Monteil C. Ultrafine Particles Issued from Gasoline-Fuels and Biofuel Surrogates Combustion: A Comparative Study of the Physicochemical and In Vitro Toxicological Effects. TOXICS 2022; 11:21. [PMID: 36668747 PMCID: PMC9861194 DOI: 10.3390/toxics11010021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/14/2022] [Revised: 12/15/2022] [Accepted: 12/20/2022] [Indexed: 06/17/2023]
Abstract
Gasoline emissions contain high levels of pollutants, including particulate matter (PM), which are associated with several health outcomes. Moreover, due to the depletion of fossil fuels, biofuels represent an attractive alternative, particularly second-generation biofuels (B2G) derived from lignocellulosic biomass. Unfortunately, compared to the abundant literature on diesel and gasoline emissions, relatively few studies are devoted to alternative fuels and their health effects. This study aimed to compare the adverse effects of gasoline and B2G emissions on human bronchial epithelial cells. We characterized the emissions generated by propane combustion (CAST1), gasoline Surrogate, and B2G consisting of Surrogate blended with anisole (10%) (S+10A) or ethanol (10%) (S+10E). To study the cellular effects, BEAS-2B cells were cultured at air-liquid interface for seven days and exposed to different emissions. Cell viability, oxidative stress, inflammation, and xenobiotic metabolism were measured. mRNA expression analysis was significantly modified by the Surrogate S+10A and S+10E emissions, especially CYP1A1 and CYP1B1. Inflammation markers, IL-6 and IL-8, were mainly downregulated doubtless due to the PAHs content on PM. Overall, these results demonstrated that ultrafine particles generated from biofuels Surrogates had a toxic effect at least similar to that observed with a gasoline substitute (Surrogate), involving probably different toxicity pathways.
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Affiliation(s)
| | | | | | - Clément Castilla
- Univ Rouen Normandie, INSA Rouen, CNRS, COBRA, 76000 Rouen, France
| | - Mélanie Mignot
- Univ Rouen Normandie, INSA Rouen, CNRS, COBRA, 76000 Rouen, France
| | | | - Hélène Lavanant
- Univ Rouen Normandie, INSA Rouen, CNRS, COBRA, 76000 Rouen, France
| | - Carlos Afonso
- Univ Rouen Normandie, INSA Rouen, CNRS, COBRA, 76000 Rouen, France
| | - Christophe Morin
- Univ Rouen Normandie, INSA Rouen, CNRS, COBRA, 76000 Rouen, France
| | | | - Laurence Chevalier
- Univ Rouen Normandie, INSA Rouen, CNRS, GPM-UMR6634, 76000 Rouen, France
| | - François-Xavier Ouf
- Institut de Radioprotection et de Sureté Nucléaire, PSN-RES, SCA, LPMA, 91192 Gif-sur-Yvette, France
| | - Cécile Corbière
- Univ Rouen Normandie, UNICAEN, ABTE UR 4651 F, 76000 Rouen, France
| | - Jérôme Yon
- Univ Rouen Normandie, INSA Rouen, CNRS, CORIA, 76000 Rouen, France
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24
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Shen J, Taghvaee S, La C, Oroumiyeh F, Liu J, Jerrett M, Weichenthal S, Del Rosario I, Shafer MM, Ritz B, Zhu Y, Paulson SE. Aerosol Oxidative Potential in the Greater Los Angeles Area: Source Apportionment and Associations with Socioeconomic Position. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2022; 56:17795-17804. [PMID: 36472388 PMCID: PMC9775201 DOI: 10.1021/acs.est.2c02788] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/19/2022] [Revised: 11/16/2022] [Accepted: 11/17/2022] [Indexed: 06/17/2023]
Abstract
Oxidative potential (OP) has been proposed as a possible integrated metric for particles smaller than 2.5 μm in diameter (PM2.5) to evaluate adverse health outcomes associated with particulate air pollution exposure. Here, we investigate how OP depends on sources and chemical composition and how OP varies by land use type and neighborhood socioeconomic position in the Los Angeles area. We measured OH formation (OPOH), dithiothreitol loss (OPDTT), black carbon, and 52 metals and elements for 54 total PM2.5 samples collected in September 2019 and February 2020. The Positive Matrix Factorization source apportionment model identified four sources contributing to volume-normalized OPOH: vehicular exhaust, brake and tire wear, soil and road dust, and mixed secondary and marine. Exhaust emissions contributed 42% of OPOH, followed by 21% from brake and tire wear. Similar results were observed for the OPDTT source apportionment. Furthermore, by linking measured PM2.5 and OP with census tract level socioeconomic and health outcome data provided by CalEnviroScreen, we found that the most disadvantaged neighborhoods were exposed to both the most toxic particles and the highest particle concentrations. OPOH exhibited the largest inverse social gradients, followed by OPDTT and PM2.5 mass. Finally, OPOH was the metric most strongly correlated with adverse health outcome indicators.
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Affiliation(s)
- Jiaqi Shen
- Department
of Atmospheric & Oceanic Sciences, University
of California, Los Angeles, California 90095, United States
| | - Sina Taghvaee
- Department
of Atmospheric & Oceanic Sciences, University
of California, Los Angeles, California 90095, United States
| | - Chris La
- Department
of Atmospheric & Oceanic Sciences, University
of California, Los Angeles, California 90095, United States
| | - Farzan Oroumiyeh
- Department
of Environmental Health Sciences, Jonathan and Karin Fielding School
of Public Health, University of California, Los Angeles, California 90095, United States
| | - Jonathan Liu
- Department
of Environmental Health Sciences, Jonathan and Karin Fielding School
of Public Health, University of California, Los Angeles, California 90095, United States
| | - Michael Jerrett
- Department
of Environmental Health Sciences, Jonathan and Karin Fielding School
of Public Health, University of California, Los Angeles, California 90095, United States
| | - Scott Weichenthal
- Department
of Epidemiology, Biostatistics, and Occupational Health, McGill University, Montreal, Quebec H3A 1A2, Canada
| | - Irish Del Rosario
- Department
of Epidemiology, Fielding School of Public Health, University of California, Los Angeles, Los Angeles, California 90095, United States
| | - Martin M. Shafer
- Environmental
Chemistry and Technology Program, University
of Wisconsin−Madison, Madison, Wisconsin 53706, United States
| | - Beate Ritz
- Department
of Epidemiology, Fielding School of Public Health, University of California, Los Angeles, Los Angeles, California 90095, United States
| | - Yifang Zhu
- Department
of Environmental Health Sciences, Jonathan and Karin Fielding School
of Public Health, University of California, Los Angeles, California 90095, United States
| | - Suzanne E. Paulson
- Department
of Atmospheric & Oceanic Sciences, University
of California, Los Angeles, California 90095, United States
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25
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Diesel particulate matter aggravates cyclophosphamide-induced testicular toxicity in mice via elevating oxidative damage. Mol Cell Toxicol 2022. [DOI: 10.1007/s13273-022-00310-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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Rohra H, Pipal AS, Satsangi PG, Taneja A. Revisiting the atmospheric particles: Connecting lines and changing paradigms. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 841:156676. [PMID: 35700785 DOI: 10.1016/j.scitotenv.2022.156676] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/21/2022] [Revised: 06/09/2022] [Accepted: 06/09/2022] [Indexed: 06/15/2023]
Abstract
Historically, the atmospheric particles constitute the most primitive and recent class of air pollutants. The science of atmospheric particles erupted more than a century ago covering more than four decades of size, with past few years experiencing major advancements on both theoretic and data-based observational grounds. More recently, the plausible recognition between particulate matter (PM) and the diffusion of the COVID-19 pandemic has led to the accretion of interest in particle science. With motivation from diverse particle research interests, this paper is an 'old engineer's survey' beginning with the evolution of atmospheric particles and identifies along the way many of the global instances signaling the 'size concept' of PM. A theme that runs through the narrative is a 'previously known' generational evolution of particle science to the 'newly procured' portfolio of knowledge, with important gains on the application of unmet concepts and future approaches to PM exposure and epidemiological research.
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Affiliation(s)
- Himanshi Rohra
- Department of Chemistry, Savitribai Phule Pune University, Pune 411007, India
| | - Atar Singh Pipal
- Centre for Environmental Sustainability and Human Health, Ming Chi University of Technology, Taishan, New Taipei 243089, Taiwan
| | - P G Satsangi
- Department of Chemistry, Savitribai Phule Pune University, Pune 411007, India
| | - Ajay Taneja
- Department of Chemistry, Dr. Bhimrao Ambedkar University, Agra 282002, India.
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Giannossa LC, Cesari D, Merico E, Dinoi A, Mangone A, Guascito MR, Contini D. Inter-annual variability of source contributions to PM 10, PM 2.5, and oxidative potential in an urban background site in the central mediterranean. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2022; 319:115752. [PMID: 35982560 DOI: 10.1016/j.jenvman.2022.115752] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/16/2022] [Revised: 07/04/2022] [Accepted: 07/10/2022] [Indexed: 06/15/2023]
Abstract
Airborne particulate matter (PM) is studied because of its effects on human health and climate change. PM long-term characterisation allows identifying trends and evaluating the outcomes of environmental protection policies. This work is aimed to study the inter-annual variability of PM2.5 and PM10 concentrations and chemical composition in an urban background site (Italy). A dataset of daily PM2.5 and PM10 was collected in the period 2016-2017, including the content of OC, EC, major water-soluble ions, main metals, and compared to a similar dataset collected in the period 2013-2014. Oxidative potential using DTT assay (dithiothreitol) was evaluated and expressed in DTTV as 0.39 nmol/min·m3 in PM10 and 0.29 in PM2.5 nmol/min·m3. PM source apportionment was computed using the EPA PMF5.0 model and source contributions compared with those of a previous dataset collected between 2013 and 2014. Multi linear regression analysis identified which source contributed (p < 0.05) to the oxidative potential of each size fraction. Inter-annual trends were more evident on PM2.5 with reductions of biomass burning contribution and increases in traffic contribution in the 2016-2017 period. Crustal contributions were similar for the two periods, in both size fractions. Carbonates were comparable in PM10 with a slight increase in PM2.5. Sea spray decreased in PM10. The DTTV of PM2.5 peaked during cold periods, while, the DTTV of the PM10-2.5 fraction peaked in summer, suggesting that different sources, with different seasonality, influence OP in the PM2.5 and PM10-2.5 fractions. Analysis showed that sea spray, crustal, and carbonates sources contribute ∼13.6% to DTTV in PM2.5 and ∼62.4% to DTTV in PM10-2.5. Combustion sources (biomass burning and traffic) contribute to the majority of DTTV (50.6%) in PM2.5 and contribute for ∼26% to DTTV in PM10-2.5. Secondary nitrate contributes to DTTV in both fine and coarse fraction; secondary sulphate contribute to DTTV in PM2.5 with negligible contributions to DTTV in PM10-2.5.
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Affiliation(s)
| | - Daniela Cesari
- Italy National Research Council of Italy, Institute of Atmospheric Sciences and Climate (CNR-ISAC), Lecce, 73100, Italy.
| | - Eva Merico
- Italy National Research Council of Italy, Institute of Atmospheric Sciences and Climate (CNR-ISAC), Lecce, 73100, Italy
| | - Adelaide Dinoi
- Italy National Research Council of Italy, Institute of Atmospheric Sciences and Climate (CNR-ISAC), Lecce, 73100, Italy
| | - Annarosa Mangone
- University of Bari Aldo Moro, Department of Chemistry, I-70125, Bari, Italy
| | - Maria Rachele Guascito
- Italy National Research Council of Italy, Institute of Atmospheric Sciences and Climate (CNR-ISAC), Lecce, 73100, Italy; Department of Environmental and Biological Sciences and Technologies (DISTEBA), University of Salento, Lecce, 73100, Italy
| | - Daniele Contini
- Italy National Research Council of Italy, Institute of Atmospheric Sciences and Climate (CNR-ISAC), Lecce, 73100, Italy
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Wei C, Chen Y, Yang Y, Ni D, Huang Y, Wang M, Yang X, Chen Z. Assessing volatile organic compounds exposure and prostate-specific antigen: National Health and Nutrition Examination Survey, 2001–2010. Front Public Health 2022; 10:957069. [PMID: 35968491 PMCID: PMC9372286 DOI: 10.3389/fpubh.2022.957069] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2022] [Accepted: 07/14/2022] [Indexed: 11/13/2022] Open
Abstract
BackgroundVolatile organic compounds (VOCs) are a large group of chemicals widely used in people's daily routines. Increasing evidence revealed the VOCs' accumulating toxicity. However, the VOCs toxicity in male prostate has not been reported previously. Thus, we comprehensively evaluated the association between VOCs and prostate-specific antigen (PSA).MethodsA total of 2016 subjects were included in our study from the National Health and Nutrition Examination Survey with VOCs, PSA, and other variables among U.S. average population. We constructed XGBoost Algorithm Model, Regression Model, and Generalized linear Model (GAM) to analyze the potential association. Stratified analysis was used to identify high-risk populations.ResultsXGBoost Algorithm model identified blood chloroform as the most critical variable in the PSA concentration. Regression analysis suggested that blood chloroform was a positive association with PSA, which showed that environmental chloroform exposure is an independent risk factor that may cause prostate gland changes [β, (95% CI), P = 0.007, (0.003, 0.011), 0.00019]. GAM observed the linear relationship between blood chloroform and PSA concentration. Meanwhile, blood chloroform linear correlated with water chloroform in the lower dose range, indicating that the absorption of water may be the primary origin of chloroform. Stratified associations analysis identified the high-risk group on the chloroform exposures.ConclusionThis study revealed that blood chloroform was positively and independently associated with total PSA level, suggesting that long-term environmental chloroform exposure may cause changes in the prostate gland.
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Affiliation(s)
- Chengcheng Wei
- Department of Urology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yumao Chen
- Department of Urology, Ezhou Central Hospital, Ezhou, China
| | - Yu Yang
- Department of Pathologist and Laboratory Medicine, Staff Pathologist, Deaconess Hospital, Evansville, IN, United States
| | - Dong Ni
- Department of Urology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yu Huang
- Department of Urology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Miao Wang
- Department of Urology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Xiong Yang
- Department of Urology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- *Correspondence: Xiong Yang
| | - Zhaohui Chen
- Department of Urology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Zhaohui Chen
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Yu Q, Chen J, Qin W, Ahmad M, Zhang Y, Sun Y, Xin K, Ai J. Oxidative potential associated with water-soluble components of PM 2.5 in Beijing: The important role of anthropogenic organic aerosols. JOURNAL OF HAZARDOUS MATERIALS 2022; 433:128839. [PMID: 35397338 DOI: 10.1016/j.jhazmat.2022.128839] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/12/2022] [Revised: 03/29/2022] [Accepted: 03/30/2022] [Indexed: 06/14/2023]
Abstract
Oxidative stress is the mainstream toxicological mechanism for the adverse health outcomes of ambient aerosols. However, our understanding of the crucial redox-active species affecting the oxidative potential of water-soluble aerosols (OPWS) remains limited. In this study, the OPWS of PM2.5 in Beijing was measured using dithiothreitol (DTT) assay, including DTT consumption rate and ·OH formation rate. OPWS was more closely related to water-soluble organic compounds (WSOC) rather than transition metals. Laboratory simulations were conducted to investigate the effects of individual target species in the context of complex metal-organic interactions. The results showed that reducing WSOC can effectively decrease OPWS, while reducing Cu2+ increased OPWS. Parallel factor analysis demonstrated that OPWS was the most significantly correlated with the highly oxidized humic-like or quinone-like substances. Multiple linear regression showed that aromatic secondary organic carbon (SOC) (34.4%), other primary combustion sources of WSOC (20.0%), primary biomass burning WSOC (19.8%), transition metal ions (12.9%) and biomass burning SOC (12.8%) made significant contributions to DTTV. In addition to the anthropogenic sources of WSOC, the aged biogenic SOC also contributed to OHV, particularly in summer. Reducing anthropogenic WSOC was the key to the effective control of OPWS of PM2.5 in Beijing.
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Affiliation(s)
- Qing Yu
- State Key Joint Laboratory of Environment Simulation and Pollution Control, School of Environment, Beijing Normal University, Beijing 100875, China
| | - Jing Chen
- State Key Joint Laboratory of Environment Simulation and Pollution Control, School of Environment, Beijing Normal University, Beijing 100875, China.
| | - Weihua Qin
- State Key Joint Laboratory of Environment Simulation and Pollution Control, School of Environment, Beijing Normal University, Beijing 100875, China
| | - Mushtaq Ahmad
- State Key Joint Laboratory of Environment Simulation and Pollution Control, School of Environment, Beijing Normal University, Beijing 100875, China
| | - Yuepeng Zhang
- State Key Joint Laboratory of Environment Simulation and Pollution Control, School of Environment, Beijing Normal University, Beijing 100875, China
| | - Yuewei Sun
- State Key Joint Laboratory of Environment Simulation and Pollution Control, School of Environment, Beijing Normal University, Beijing 100875, China
| | - Ke Xin
- State Key Joint Laboratory of Environment Simulation and Pollution Control, School of Environment, Beijing Normal University, Beijing 100875, China
| | - Jing Ai
- State Key Joint Laboratory of Environment Simulation and Pollution Control, School of Environment, Beijing Normal University, Beijing 100875, China
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Skuland T, Grytting VS, Låg M, Jørgensen RB, Snilsberg B, Leseman DLAC, Kubátová A, Emond J, Cassee FR, Holme JA, Øvrevik J, Refsnes M. Road tunnel-derived coarse, fine and ultrafine particulate matter: physical and chemical characterization and pro-inflammatory responses in human bronchial epithelial cells. Part Fibre Toxicol 2022; 19:45. [PMID: 35787286 PMCID: PMC9251916 DOI: 10.1186/s12989-022-00488-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2022] [Accepted: 06/26/2022] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Traffic particulate matter (PM) comprises a mixture of particles from fuel combustion and wear of road pavement, tires and brakes. In countries with low winter temperatures the relative contribution of mineral-rich PM from road abrasion may be especially high due to use of studded tires during winter season. The aim of the present study was to sample and characterize size-fractioned PM from two road tunnels paved with different stone materials in the asphalt, and to compare the pro-inflammatory potential of these fractions in human bronchial epithelial cells (HBEC3-KT) in relation to physicochemical characteristics. METHODS The road tunnel PM was collected with a vacuum pump and a high-volume cascade impactor sampler. PM was sampled during winter, both during humid and dry road surface conditions, and before and after cleaning the tunnels. Samples were analysed for hydrodynamic size distribution, content of elemental carbon (EC), organic carbon (OC) and endotoxin, and the capacity for acellular generation of reactive oxygen species. Cytotoxicity and pro-inflammatory responses were assessed in HBEC3-KT cells after exposure to coarse (2.5-10 μm), fine (0.18-2.5 μm) and ultrafine PM (≤ 0.18 μm), as well as particles from the respective stone materials used in the pavement. RESULTS The pro-inflammatory potency of the PM samples varied between road tunnels and size fractions, but showed more marked responses than for the stone materials used in asphalt of the respective tunnels. In particular, fine samples showed significant increases as low as 25 µg/mL (2.6 µg/cm2) and were more potent than coarse samples, while ultrafine samples showed more variable responses between tunnels, sampling conditions and endpoints. The most marked responses were observed for fine PM sampled during humid road surface conditions. Linear correlation analysis showed that particle-induced cytokine responses were correlated to OC levels, while no correlations were observed for other PM characteristics. CONCLUSIONS The pro-inflammatory potential of fine road tunnel PM sampled during winter season was high compared to coarse PM. The differences between the PM-induced cytokine responses were not related to stone materials in the asphalt. However, the ratio of OC to total PM mass was associated with the pro-inflammatory potential.
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Affiliation(s)
- Tonje Skuland
- Division of Climate and Environmental Health, Department of Air Quality and Noise, Norwegian Institute of Public Health, PO Box 222, 0213, Skøyen, Oslo, Norway.
| | - Vegard Sæter Grytting
- Division of Climate and Environmental Health, Department of Air Quality and Noise, Norwegian Institute of Public Health, PO Box 222, 0213, Skøyen, Oslo, Norway
| | - Marit Låg
- Division of Climate and Environmental Health, Department of Air Quality and Noise, Norwegian Institute of Public Health, PO Box 222, 0213, Skøyen, Oslo, Norway
| | - Rikke Bræmming Jørgensen
- Department of Industrial Economics and Technology Management, Norwegian University of Science and Technology, NTNU, Trondheim, Norway
| | | | - Daan L A C Leseman
- National Institute for Public Health and the Environment - RIVM, PO Box 1, 3720 BA, Bilthoven, The Netherlands
| | - Alena Kubátová
- Department of Chemistry, University of North Dakota, Grand Forks, ND, USA
| | - Jessica Emond
- Department of Chemistry, University of North Dakota, Grand Forks, ND, USA
| | - Flemming R Cassee
- National Institute for Public Health and the Environment - RIVM, PO Box 1, 3720 BA, Bilthoven, The Netherlands.,Institute for Risk Assessment Sciences, Utrecht University, Utrecht, The Netherlands
| | - Jørn A Holme
- Division of Climate and Environmental Health, Department of Air Quality and Noise, Norwegian Institute of Public Health, PO Box 222, 0213, Skøyen, Oslo, Norway
| | - Johan Øvrevik
- Division of Climate and Environmental Health, Norwegian Institute of Public Health, PO Box 222, 0213, Skøyen, Oslo, Norway.,Department of Biosciences, Faculty of Mathematics and Natural Sciences, University of Oslo, PO Box 1066, 0316, Blindern, Oslo, Norway
| | - Magne Refsnes
- Division of Climate and Environmental Health, Department of Air Quality and Noise, Norwegian Institute of Public Health, PO Box 222, 0213, Skøyen, Oslo, Norway
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Martin de Lagarde V, Rogez-Florent T, Cazier F, Dewaele D, Cazier-Dennin F, Ollivier A, Janona M, Achard S, André V, Monteil C, Corbière C. Oxidative potential and in vitro toxicity of particles generated by pyrotechnic smokes in human small airway epithelial cells. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2022; 239:113637. [PMID: 35605322 DOI: 10.1016/j.ecoenv.2022.113637] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/06/2022] [Revised: 04/20/2022] [Accepted: 05/10/2022] [Indexed: 06/15/2023]
Abstract
Pyrotechnic smokes are widely used in civilian and military applications. The major issue arise from the release of particles after smoke combustion but the health risks related to their exposure are poorly documented whereas toxicity of airborne particles on the respiratory target are very well known. Therefore, this study aimed to explore the in vitro toxicity of the particle fraction of different pyrotechnic smokes. Particles from a red signalling smoke (RSS), an hexachloroethane-based obscuring smoke (HC-OS) and an anti-intrusion smoke (AIS) were collected from the cloud. RSS particles displayed the highest organic fraction (quinones and polycyclic aromatic hydrocarbons) of the three samples characterized. AIS particles contained K and cholesterol derivatives. HC-OS particles were mainly metallic with very high concentrations of Al, Fe and Ca. Intrinsic oxidative potential of smoke particles was measured with two assays. Depletions of DTT by RSS particles was greater than depletion obtained with AIS and HC-OS particles but depletion of acid ascorbic (AA) was only observed with HC-OS particles. In vitro toxicity was assessed by exposing human small airway epithelial cells (SAEC) to various concentrations of particles. After 24 h of exposure, cell viability was not affected but significant modifications of mRNA expression of antioxidant (SOD-1 and -2, catalase, HO-1, NQO-1) and inflammatory markers (IL-6, IL-8, TNF-α) were observed and were dependent on smoke type. Particles rich in metal, such as HC-OS, induced a greatest depletion of AA and a greatest inflammatory response, whereas particles rich in organic compounds, such as RSS, induced a greatest DTT depletion and a greatest antioxidant response. In conclusion, the three smoke particles have an intrinsic oxidative potential and triggered a cell adaptive response. Our study improved the knowledge of particle toxicity of pyrotechnic smokes and scientific approach developed here could be used to study other type of particles.
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Affiliation(s)
| | | | - Fabrice Cazier
- Univ. Littoral Côte d'Opale, CCM - Centre Commun de Mesures, Dunkerque, France
| | - Dorothée Dewaele
- Univ. Littoral Côte d'Opale, CCM - Centre Commun de Mesures, Dunkerque, France
| | - Francine Cazier-Dennin
- Univ. Littoral Côte d'Opale, EA 4492 - UCEIV - Unité de Chimie Environnementale et Interactions sur le Vivant, SFR Condorcet FR CNRS 417, Dunkerque, France
| | - Alexane Ollivier
- Normandie Univ UNIROUEN, UNICAEN, ABTE, 14000 Caen, 76000 Rouen, France
| | - Marion Janona
- Normandie Univ UNIROUEN, UNICAEN, ABTE, 14000 Caen, 76000 Rouen, France
| | - Sophie Achard
- Univ. de Paris, Faculté de Pharmacie, Inserm UMR1153 - CRESS, HERA " Health Environmental Risk Assessment ", Paris, France
| | - Véronique André
- Normandie Univ UNIROUEN, UNICAEN, ABTE, 14000 Caen, 76000 Rouen, France
| | | | - Cécile Corbière
- Normandie Univ UNIROUEN, UNICAEN, ABTE, 14000 Caen, 76000 Rouen, France.
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Seasonal and Spatial Variations of PM10 and PM2.5 Oxidative Potential in Five Urban and Rural Sites across Lombardia Region, Italy. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:ijerph19137778. [PMID: 35805434 PMCID: PMC9265313 DOI: 10.3390/ijerph19137778] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/09/2022] [Revised: 06/21/2022] [Accepted: 06/22/2022] [Indexed: 02/01/2023]
Abstract
Oxidative potential (OP) of particulate matter (PM) is gaining strong interest as a promising health exposure metric. This study investigated OP of a large set of PM10 and PM2.5 samples collected at five urban and background sites near Milan (Italy), one of the largest and most polluted urban areas in Europe, afflicted with high particle levels. OP responses from two acellular assays, based on ascorbic acid (AA) and dithiothreitol (DTT), were combined with atmospheric detailed composition to examine any possible feature in OP with PM size fraction, spatial and seasonal variations. A general association of volume-normalized OP with PM mass was found; this association may be related to the clear seasonality observed, whereby there was higher OP activity in wintertime at all investigated sites. Univariate correlations were used to link OP with the concentrations of the major chemical markers of vehicular and biomass burning emissions. Of the two assays, AA was particularly sensitive towards transition metals in coarse particles released from vehicular traffic. The results obtained confirm that the responses from the two assays and their relationship with atmospheric pollutants are assay- and location-dependent, and that their combination is therefore helpful to singling out the PM redox-active compounds driving its oxidative properties.
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Tang Z, Sarnat JA, Weber RJ, Russell AG, Zhang X, Li Z, Yu T, Jones DP, Liang D. The Oxidative Potential of Fine Particulate Matter and Biological Perturbations in Human Plasma and Saliva Metabolome. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2022; 56:7350-7361. [PMID: 35075906 PMCID: PMC9177558 DOI: 10.1021/acs.est.1c04915] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Abstract
Particulate oxidative potential may comprise a key health-relevant parameter of particulate matter (PM) toxicity. To identify biological perturbations associated with particulate oxidative potential and examine the underlying molecular mechanisms, we recruited 54 participants from two dormitories near and far from a congested highway in Atlanta, GA. Fine particulate matter oxidative potential ("FPMOP") levels at the dormitories were measured using dithiothreitol assay. Plasma and saliva samples were collected from participants four times for longitudinal high-resolution metabolic profiling. We conducted metabolome-wide association studies to identify metabolic signals with FPMOP. Leukotriene metabolism and galactose metabolism were top pathways associated with ≥5 FPMOP-related indicators in plasma, while vitamin E metabolism and leukotriene metabolism were found associated with most FPMOP indicators in saliva. We observed different patterns of perturbed pathways significantly associated with water-soluble and -insoluble FPMOPs, respectively. We confirmed five metabolites directly associated with FPMOP, including hypoxanthine, histidine, pyruvate, lactate/glyceraldehyde, and azelaic acid, which were implications of perturbations in acute inflammation, nucleic acid damage and repair, and energy perturbation. The unique metabolic signals were specific to FPMOP, but not PM mass, providing initial indication that FPMOP might constitute a more sensitive, health-relevant measure for elucidating etiologies related to PM2.5 exposures.
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Affiliation(s)
- Ziyin Tang
- Gangarosa Department of Environmental Health, Rollins School of Public Health, Emory University, Atlanta, Georgia 30322, United States
| | - Jeremy A Sarnat
- Gangarosa Department of Environmental Health, Rollins School of Public Health, Emory University, Atlanta, Georgia 30322, United States
| | - Rodney J Weber
- School of Earth and Atmospheric Sciences, Georgia Institute of Technology, Atlanta, Georgia 30322, United States
| | - Armistead G Russell
- School of Civil and Environmental Engineering, Georgia Institute of Technology, Atlanta, Georgia 30322, United States
| | - Xiaoyue Zhang
- Gangarosa Department of Environmental Health, Rollins School of Public Health, Emory University, Atlanta, Georgia 30322, United States
| | - Zhenjiang Li
- Gangarosa Department of Environmental Health, Rollins School of Public Health, Emory University, Atlanta, Georgia 30322, United States
| | - Tianwei Yu
- School of Data Science, The Chinese University of Hong Kong, Shenzhen, Guangdong 518172, China
| | - Dean P Jones
- Department of Medicine, School of Medicine, Emory University, Atlanta, Georgia 30322, United States
| | - Donghai Liang
- Gangarosa Department of Environmental Health, Rollins School of Public Health, Emory University, Atlanta, Georgia 30322, United States
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Thredgold L, Ramkissoon C, Kumarasamy C, Gun R, Rowett S, Gaskin S. Rapid Assessment of Oxidative Damage Potential: A Comparative Study of Engineered Stone Dusts Using a Deoxyguanosine Assay. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:ijerph19106221. [PMID: 35627757 PMCID: PMC9140999 DOI: 10.3390/ijerph19106221] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/23/2022] [Revised: 05/09/2022] [Accepted: 05/16/2022] [Indexed: 11/21/2022]
Abstract
The popularity of engineered stone (ES) has been associated with a global increase in occupational lung disease in workers exposed to respirable dust during the fabrication of benchtops and other ES products. In this study, the reactivity and subsequent oxidative reduction potential of freshly generated ES dusts were evaluated by (i) comparing different engineered and natural stones, (ii) comparing settled and respirable stone dust fractions and (iii) assessing the effect of ageing on the reactivity of freshly generated stone dust. An established cell-free deoxyguanosine hydroxylation assay was used to assess the potential for oxidative DNA damage. ES dust exhibited a higher relative reactivity than two of the three natural stones tested. Respirable dust fractions were found to be significantly more reactive than their corresponding settled fraction (ANOVA, p < 0.05) across all stone types and samples. However, settled dust still displayed high relative reactivity. The lower reactivity of the settled dust was not due to decay in reactivity of the respirable dust when it settled but rather a result of the admixture of larger nonrespirable particles. No significant change in respirable dust reactivity was observed for three ES samples over a 21-day time period, whereas a significant decrease in reactivity was observed in the natural stone studied. This study has practical implications for dust control and housekeeping in industry, risk assessment and hazard management.
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Affiliation(s)
- Leigh Thredgold
- Adelaide Exposure Science and Health, School of Public Health, University of Adelaide, Adelaide, SA 5005, Australia; (L.T.); (C.R.); (C.K.); (R.G.)
| | - Chandnee Ramkissoon
- Adelaide Exposure Science and Health, School of Public Health, University of Adelaide, Adelaide, SA 5005, Australia; (L.T.); (C.R.); (C.K.); (R.G.)
| | - Chellan Kumarasamy
- Adelaide Exposure Science and Health, School of Public Health, University of Adelaide, Adelaide, SA 5005, Australia; (L.T.); (C.R.); (C.K.); (R.G.)
| | - Richard Gun
- Adelaide Exposure Science and Health, School of Public Health, University of Adelaide, Adelaide, SA 5005, Australia; (L.T.); (C.R.); (C.K.); (R.G.)
| | - Shelley Rowett
- SafeWork SA, Government of South Australia, Adelaide, SA 5035, Australia;
| | - Sharyn Gaskin
- Adelaide Exposure Science and Health, School of Public Health, University of Adelaide, Adelaide, SA 5005, Australia; (L.T.); (C.R.); (C.K.); (R.G.)
- Correspondence:
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Synergistic and Antagonistic Effects of Aerosol Components on Its Oxidative Potential as Predictor of Particle Toxicity. TOXICS 2022; 10:toxics10040196. [PMID: 35448457 PMCID: PMC9032230 DOI: 10.3390/toxics10040196] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/14/2022] [Revised: 04/06/2022] [Accepted: 04/15/2022] [Indexed: 12/02/2022]
Abstract
Quantifying the component-specific contribution to the oxidative potential (OP) of ambient particle matter (PM) is the key information to properly representing its acute health hazards. In this study, we investigated the interactions between the major contributors to OP, i.e., transition metals and quinones, to highlight the relative effects of these species to the total OP. Several synergistic and antagonistic interactions were found that significantly change the redox properties of their binary mixtures, increasing or decreasing the values computed by a simple additive model. Such results from the standard solutions were confirmed by extending the study to atmospheric PM2.5 samples collected in winter in the Lombardia region, a hot spot for air pollution in northern Italy. This work highlights that a solid estimation of oxidative properties of ambient PM requires an interaction-based approach accounting for the interaction effects between metals and quinones.
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Miri M, Rezaei H, Momtaz SM, Najafi ML, Adli A, Pajohanfar NS, Abroudi M, Bazghandi MS, Razavi Z, Alonso L, Tonne C, Basagaña X, Nieuwenhuijsen MJ, Sunyer J, Nawrot TS, Dadvand P. Determinants of carbon load in airway macrophages in pregnant women. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2022; 297:118765. [PMID: 34973383 DOI: 10.1016/j.envpol.2021.118765] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/02/2021] [Revised: 11/23/2021] [Accepted: 12/27/2021] [Indexed: 06/14/2023]
Abstract
The airway macrophages carbon loading (AMCL) has been suggested to be a biomarker of the long-term exposure to air pollution; however, to date no study has characterized AMCL for the pregnancy period. Therefore, this study aimed to assess the determinants of AMCL during pregnancy in Iran, a middle-income country. This study was based on a sample of 234 pregnant women with term and normal vaginal delivery who were residing in Sabzevar, Iran (2019). We characterized 35 potential determinants of personal exposure to air pollution for each participant, including six personal, nine indoor, and 20 home-outdoor factors. We applied Deletion/Substitution/Addition algorithm to identify the most relevant determinants that could predict AMCL levels. The median (IQR) of AMCL level was 0.12 (0.30) μm2 with a successful sputum induction in 82.9% (194) of participants. Ambient residential PM2.5 levels were positively associated with higher AMCL levels. On the other hand, increased residential distance to the traffic lights, squares and ring-roads, the duration of opening window per day, and opening window during cooking were inversely associated with AMCL levels. Our findings provide novel insights on the different personal, indoor, and outdoor determinants of personal exposure to air pollution during pregnancy in a middle-income country.
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Affiliation(s)
- Mohammad Miri
- Non-Communicable Diseases Research Center, Department of Environmental Health, School of Health, Sabzevar University of Medical Sciences, Sabzevar, Iran
| | - Hossein Rezaei
- Student Research Committee, Department of Environmental Health, School of Health, Sabzevar University of Medical Sciences, Sabzevar, Iran
| | - Seyed Mojtaba Momtaz
- Department of Environmental Health Engineering, Zarand School of Nursing, Kerman University of Medical Sciences, Kerman, Iran
| | - Moslem Lari Najafi
- Pharmaceutical Sciences and Cosmetic Products Research Center, Kerman University of Medical Sciences, Kerman, Iran
| | - Abolfazl Adli
- Cellular and Molecular Research Center, Sabzevar University of Medical Sciences, Sabzevar, Iran
| | - Nasim Sadat Pajohanfar
- Cellular and Molecular Research Center, Sabzevar University of Medical Sciences, Sabzevar, Iran
| | - Mina Abroudi
- Cellular and Molecular Research Center, Sabzevar University of Medical Sciences, Sabzevar, Iran
| | - Malihe Sadat Bazghandi
- Cellular and Molecular Research Center, Sabzevar University of Medical Sciences, Sabzevar, Iran
| | - Zahra Razavi
- Cellular and Molecular Research Center, Sabzevar University of Medical Sciences, Sabzevar, Iran
| | - Lucia Alonso
- ISGlobal, Barcelona, Spain; Universitat Pompeu Fabra (UPF), Barcelona, Spain; CIBER Epidemiología y Salud Pública (CIBERESP), Spain
| | - Cathryn Tonne
- ISGlobal, Barcelona, Spain; Universitat Pompeu Fabra (UPF), Barcelona, Spain; CIBER Epidemiología y Salud Pública (CIBERESP), Spain
| | - Xavier Basagaña
- ISGlobal, Barcelona, Spain; Universitat Pompeu Fabra (UPF), Barcelona, Spain; CIBER Epidemiología y Salud Pública (CIBERESP), Spain
| | - Mark J Nieuwenhuijsen
- ISGlobal, Barcelona, Spain; Universitat Pompeu Fabra (UPF), Barcelona, Spain; CIBER Epidemiología y Salud Pública (CIBERESP), Spain
| | - Jordi Sunyer
- ISGlobal, Barcelona, Spain; Universitat Pompeu Fabra (UPF), Barcelona, Spain; CIBER Epidemiología y Salud Pública (CIBERESP), Spain
| | - Tim S Nawrot
- Centre for Environmental Sciences, Hasselt University, Hasselt, Belgium; Department of Public Health & Primary Care, Leuven University, Leuven, Belgium
| | - Payam Dadvand
- ISGlobal, Barcelona, Spain; Universitat Pompeu Fabra (UPF), Barcelona, Spain; CIBER Epidemiología y Salud Pública (CIBERESP), Spain.
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A New Method for the Assessment of the Oxidative Potential of Both Water-Soluble and Insoluble PM. ATMOSPHERE 2022. [DOI: 10.3390/atmos13020349] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
Water-soluble and insoluble fractions of airborne particulate matter (PM) exhibit different toxicological potentials and peculiar mechanisms of action in biological systems. However, most of the research on the oxidative potential (OP) of PM is focused exclusively on its water-soluble fraction, since experimental criticisms were encountered for detaching the whole PM (soluble and insoluble species) from field filters. However, to estimate the actual potential effects of PM on human health, it is essential to assess the OP of both its water-soluble and insoluble fractions. In this study, to estimate the total OP (TOP), an efficient method for the detachment of intact PM10 from field filters by using an electrical toothbrush was applied to 20 PM10 filters in order to obtain PM10 water suspensions to be used for the DCFH, AA and DTT oxidative potential assays (OPDCFH, OPAA and OPDTT). The contribution of the insoluble PM10 to the TOP was evaluated by comparing the TOP values to those obtained by applying the three OP assays to the water-soluble fraction of 20 equivalent PM10 filters. The OP of the insoluble fraction (IOP) was calculated as the difference between the TOP and the WSOP. Moreover, each PM10 sample was analyzed for the water-soluble and insoluble fractions of 10 elements (Al, Cr, Cs, Cu, Fe, Li, Ni, Rb, Sb, Sn) identified as primary elemental tracers of the main emission sources in the study area. A principal component analysis (PCA) was performed on the data obtained to identify the predominant sources for the determination of TOP, WSOP, and IOP. Results showed that water-soluble PM10 released by traffic, steel plant, and biomass burning is mainly responsible for the generation of the TOP as well as of the WSOP. This evidence gave strength to the reliability of the results from OP assays performed only on the water-soluble fraction of PM. Lastly, the IOPDCFH and IOPDTT were found to be principally determined by insoluble PM10 from mineral dust.
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Renzi M, Scortichini M, Forastiere F, De' Donato F, Michelozzi P, Davoli M, Gariazzo C, Viegi G, Stafoggia M, Ancona C, Bucci S, De' Donato F, Michelozzi P, Renzi M, Scortichini M, Stafoggia M, Bonafede M, Gariazzo C, Marinaccio A, Argentini S, Sozzi R, Bonomo S, Fasola S, Forastiere F, La Grutta S, Viegi G, Cernigliaro A, Scondotto S, Baldacci S, Maio S, Licitra G, Moro A, Angelini P, Bonvicini L, Broccoli S, Ottone M, Rossi PG, Colacci A, Parmagnani F, Ranzi A, Galassi C, Migliore E, Bisceglia L, Chieti A, Brusasca G, Calori G, Finardi S, Nanni A, Pepe N, Radice P, Silibello C, Tinarelli G, Uboldi F, Carlino G. A nationwide study of air pollution from particulate matter and daily hospitalizations for respiratory diseases in Italy. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 807:151034. [PMID: 34666080 DOI: 10.1016/j.scitotenv.2021.151034] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/28/2021] [Revised: 10/05/2021] [Accepted: 10/13/2021] [Indexed: 06/13/2023]
Abstract
BACKGROUND/AIM The relationship between air pollution and respiratory morbidity has been widely addressed in urban and metropolitan areas but little is known about the effects in non-urban settings. Our aim was to assess the short-term effects of PM10 and PM2.5 on respiratory admissions in the whole country of Italy during 2006-2015. METHODS We estimated daily PM concentrations at the municipality level using satellite data and spatiotemporal predictors. We collected daily counts of respiratory hospital admissions for each Italian municipality. We considered five different outcomes: all respiratory diseases, asthma, chronic obstructive pulmonary disease (COPD), lower and upper respiratory tract infections (LRTI and URTI). Meta-analysis of province-specific estimates obtained by time-series models, adjusting for temperature, humidity and other confounders, was applied to extrapolate national estimates for each outcome. At last, we tested for effect modification by sex, age, period, and urbanization score. Analyses for PM2.5 were restricted to 2013-2015 cause the goodness of fit of exposure estimation. RESULTS A total of 4,154,887 respiratory admission were registered during 2006-2015, of which 29% for LRTI, 12% for COPD, 6% for URTI, and 3% for asthma. Daily mean PM10 and PM2.5 concentrations over the study period were 23.3 and 17 μg/m3, respectively. For each 10 μg/m3 increases in PM10 and PM2.5 at lag 0-5 days, we found excess risks of total respiratory diseases equal to 1.20% (95% confidence intervals, 0.92, 1.49) and 1.22% (0.76, 1.68), respectively. The effects for the specific diseases were similar, with the strongest ones for asthma and COPD. Higher effects were found in the elderly and in less urbanized areas. CONCLUSIONS Short-term exposure to PM is harmful for the respiratory system throughout an entire country, especially in elderly patients. Strong effects can be found also in less urbanized areas.
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Affiliation(s)
- Matteo Renzi
- Department of Epidemiology, ASL Rome 1, Local Health Authority, Lazio Region, Italy.
| | - Matteo Scortichini
- Department of Epidemiology, ASL Rome 1, Local Health Authority, Lazio Region, Italy
| | - Francesco Forastiere
- CNR Institute of Biomedical Research and Innovation (IRIB), Palermo, Italy; Environmental Research Group, School of Public Health, Imperial College, London, UK
| | - Francesca De' Donato
- Department of Epidemiology, ASL Rome 1, Local Health Authority, Lazio Region, Italy
| | - Paola Michelozzi
- Department of Epidemiology, ASL Rome 1, Local Health Authority, Lazio Region, Italy
| | - Marina Davoli
- Department of Epidemiology, ASL Rome 1, Local Health Authority, Lazio Region, Italy
| | - Claudio Gariazzo
- Occupational and Environmental Medicine, Epidemiology and Hygiene Department, Italian Workers' Compensation Authority (INAIL), Monteporzio Catone (RM), Italy
| | - Giovanni Viegi
- CNR Institute of Biomedical Research and Innovation (IRIB), Palermo, Italy; CNR Institute of Clinical Physiology (IFC), Pisa, Italy
| | - Massimo Stafoggia
- Department of Epidemiology, ASL Rome 1, Local Health Authority, Lazio Region, Italy
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Ebrahimi P, Abbasi S, Pashaei R, Bogusz A, Oleszczuk P. Investigating impact of physicochemical properties of microplastics on human health: A short bibliometric analysis and review. CHEMOSPHERE 2022; 289:133146. [PMID: 34871607 DOI: 10.1016/j.chemosphere.2021.133146] [Citation(s) in RCA: 31] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/30/2021] [Revised: 11/26/2021] [Accepted: 11/30/2021] [Indexed: 06/13/2023]
Abstract
Microplastics (MPs) are contaminants of emerging concern that attracted the attention of researchers over the last decade. They can occur in saliva and stool, and on scalp hair together with skin. Further, MPs can end up in the human diet through seafood, honey, salt, and mineral water. They can be taken up into the plants' roots and lead to the occurrence of MPs in fruits and vegetables. Concentration of the airborne MPs was also reported in the environment. These pieces of evidence clarify that introduction of MPs to the human body through ingestion and inhalation routes should not be overlooked. Following oral exposure to MPs, hazardous chemicals can be released in the gastrointestinal tract leading to toxicity. Inhalation route deserves more attention due to the oxidative potential of the inhaled plastic particles. Although the major characteristics of MPs are being investigated, there are currently few regulations to control concentration of MPs in the environment and their human health impacts remained unclear indicating the need for further investigation. For instance, it is not clear if the present air quality limits for PM2.5 and PM10 can be used for the areas with high suspended plastic particles. Without comprehensive knowledge about the retention and egestion rates of field populations, it is difficult to deduce the ecological and human health consequences. In general, more information about MP contamination in various species and the consequences of MP uptake and retention is required to gain a better idea of MPs in the food web and their environmental fate. The finer details on the MP translocation between tissues and the fate of the small plastic particles might be obtained when considering the existing information about the application of MPs in the pharmaceutical industry. In this review article, we presented a short bibliometric analysis and investigated the link between physicochemical properties of MPs and human health.
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Affiliation(s)
- Pooria Ebrahimi
- Department of Earth, Environmental and Resources Sciences, University of Naples Federico II, 80126, Naples, Italy
| | - Sajjad Abbasi
- Department of Earth Sciences, College of Science, Shiraz University, Shiraz, 71454, Iran; Department of Radiochemistry and Environmental Chemistry, Faculty of Chemistry, Maria Curie-Skłodowska University, Lublin, 20-031, Poland.
| | - Reza Pashaei
- Marine Research Institute of Klaipeda University, Klaipeda, Lithuania
| | - Aleksandra Bogusz
- Department of Ecotoxicology, Institute of Environmental Protection - National Research Institute, ul. Krucza 5/11D, 00-548, Warszawa, Poland
| | - Patryk Oleszczuk
- Department of Radiochemistry and Environmental Chemistry, Faculty of Chemistry, Maria Curie-Skłodowska University, Lublin, 20-031, Poland
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40
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Lee H, Park C, Kwon DH, Hwangbo H, Kim SY, Kim MY, Ji SY, Kim DH, Jeong JW, Kim GY, Hwang HJ, Choi YH. Schisandrae Fructus ethanol extract attenuates particulate matter 2.5-induced inflammatory and oxidative responses by blocking the activation of the ROS-dependent NF-κB signaling pathway. Nutr Res Pract 2021; 15:686-702. [PMID: 34858548 PMCID: PMC8601940 DOI: 10.4162/nrp.2021.15.6.686] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2021] [Revised: 03/31/2021] [Accepted: 04/27/2021] [Indexed: 11/17/2022] Open
Abstract
BACKGROUND/OBJECTIVES Schisandrae Fructus, the fruit of Schisandra chinensis Baill., has traditionally been used as a medicinal herb for the treatment of various diseases, and has proven its various pharmacological effects, including anti-inflammatory and antioxidant activities. In this study, we investigated the inhibitory effect of Schisandrae Fructus ethanol extract (SF) on inflammatory and oxidative stress in particulate matter 2.5 (PM2.5)-treated RAW 264.7 macrophages. MATERIALS/METHODS To investigate the anti-inflammatory and antioxidant effects of SF in PM2.5-stimulated RAW 264.7 cells, the levels of pro-inflammatory mediator such as nitric oxide (NO) and prostaglandin E2 (PGE2), cytokines including interleukin (IL)-6 and IL-1β, and reactive oxygen species (ROS) were measured. To elucidate the mechanism underlying the effect of SF, the expression of genes involved in the generation of inflammatory factors was also investigated. We further evaluated the anti-inflammatory and antioxidant efficacy of SF against PM2.5 in the zebrafish model. RESULTS The results indicated that SF treatment significantly inhibited the PM2.5-induced release of NO and PGE2, which was associated with decreased inducible NO synthase and cyclooxygenase-2 expression. SF also attenuated the PM2.5-induced expression of IL-6 and IL-1β, reducing their extracellular secretion. Moreover, SF suppressed the PM2.5-mediated translocation of nuclear factor-kappa B (NF-κB) from the cytosol into nuclei and the degradation of inhibitor IκB-α, indicating that SF exhibited anti-inflammatory effects by inhibiting the NF-κB signaling pathway. In addition, SF abolished PM2.5-induced generation of ROS, similar to the pretreatment of a ROS scavenger, but not by an inhibitor of NF-κB activity. Furthermore, SF showed strong protective effects against NO and ROS production in PM2.5-treated zebrafish larvae. CONCLUSIONS Our findings suggest that SF exerts anti-inflammatory and antioxidant effects against PM2.5 through ROS-dependent down-regulating the NF-κB signaling pathway, and that SF can be a potential functional substance to prevent PM2.5-mediated inflammatory and oxidative damage.
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Affiliation(s)
- Hyesook Lee
- Anti-Aging Research Center, Dong-Eui University, Busan 47340, Korea.,Department of Biochemistry, Dong-Eui University College of Korean Medicine, Busan 47227, Korea
| | - Cheol Park
- Division of Basic Sciences, College of Liberal Studies, Dong-Eui University, Busan 47340, Korea
| | - Da Hye Kwon
- Anti-Aging Research Center, Dong-Eui University, Busan 47340, Korea.,Department of Biochemistry, Dong-Eui University College of Korean Medicine, Busan 47227, Korea
| | - Hyun Hwangbo
- Anti-Aging Research Center, Dong-Eui University, Busan 47340, Korea.,Department of Biochemistry, Dong-Eui University College of Korean Medicine, Busan 47227, Korea
| | - So Young Kim
- Anti-Aging Research Center, Dong-Eui University, Busan 47340, Korea.,Department of Biochemistry, Dong-Eui University College of Korean Medicine, Busan 47227, Korea
| | - Min Yeong Kim
- Anti-Aging Research Center, Dong-Eui University, Busan 47340, Korea.,Department of Biochemistry, Dong-Eui University College of Korean Medicine, Busan 47227, Korea
| | - Seon Yeong Ji
- Anti-Aging Research Center, Dong-Eui University, Busan 47340, Korea.,Department of Biochemistry, Dong-Eui University College of Korean Medicine, Busan 47227, Korea
| | - Da Hye Kim
- Anti-Aging Research Center, Dong-Eui University, Busan 47340, Korea.,Department of Biochemistry, Dong-Eui University College of Korean Medicine, Busan 47227, Korea
| | - Jin-Woo Jeong
- Nakdonggang National Institute of Biological Resources, Sangju 37242, Korea
| | - Gi-Young Kim
- Department of Marine Life Sciences, Jeju National University, Jeju 63243, Korea
| | - Hye-Jin Hwang
- Department of Food and Nutrition, Dong-Eui University, Busan 47340, Korea
| | - Yung Hyun Choi
- Anti-Aging Research Center, Dong-Eui University, Busan 47340, Korea.,Department of Biochemistry, Dong-Eui University College of Korean Medicine, Busan 47227, Korea
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Rahmatinia T, Kermani M, Farzadkia M, Nicknam MH, Soleimanifar N, Mohebbi B, Jafari AJ, Shahsavani A, Fanaei F. Potential cytotoxicity of PM2.5-bound PAHs and toxic metals collected from areas with different traffic densities on human lung epithelial cells (A549). JOURNAL OF ENVIRONMENTAL HEALTH SCIENCE & ENGINEERING 2021; 19:1701-1712. [PMID: 34900299 PMCID: PMC8617124 DOI: 10.1007/s40201-021-00724-8] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/18/2021] [Accepted: 08/14/2021] [Indexed: 05/26/2023]
Abstract
Laboratory and epidemiological researches have indicated that ambient air particulate matter have a plays critical role in causing diseases. The current research evaluated the chemical attributes of PM2.5 in the ambient air of the cities of Karaj and Fardis and determined its toxicological effects on human lung epithelial cells (A549). In the study city, 16 points were selected from the two high-traffic and low-traffic points for sampling. A sampling of ambient air was carried out in spring, summer, autumn, and winter 2018-19. Air sampling was performed for 24 h according to the EPA-TO/13A guidelines. To analyze of toxic metals and polycyclic aromatic hydrocarbons (PAHs), ICP-OES and GC-MS were used, respectively, and for cell toxicity analysis, an ELISA reader was used. Then from SPSS, Excel and R software were used for statistical analysis. The results of the current study indicated that the concentration of PAHs carcinogenic in the autumn season in high-traffic stations was the highest and equal to 9.3 ng/m3, and in the spring season in the low-traffic stations, it was the lowest and equal to 5.82 ng/m3. In general, during the period of study, Heavy metals including Zn, Fe, Pb, Cu, and Al had the highest concentration compared to other metals. However, Hg, Cr, As, Pb, Cu, Cd, and Zn were higher concentration in the winter and autumn seasons than in the spring and summer seasons. Cell viability measurements by using MTT showed that low-traffic and high-traffic stations had the highest toxicity in autumn season compared to other seasons. (p < 0.05). In general, high-traffic stations had the highest toxicity than low-traffic stations. The general conclusion of the present study was that PM2.5-bound PAHs and toxic metals, due to their high concentration, were toxic pollutants in air for residents of Karaj and Fardis. Also, the high concentration of PM2.5 caused the mitochondrial activity of A549 cells to stop and this stop was more significant in cold seasons and high-traffic areas.
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Affiliation(s)
- Tahereh Rahmatinia
- Research Center of Environmental Health Technology, Iran University of Medical Sciences, Tehran, Iran
- Department of Environmental Health Engineering, School of Public Health, Iran University of Medical Sciences, Tehran, Iran
| | - Majid Kermani
- Research Center of Environmental Health Technology, Iran University of Medical Sciences, Tehran, Iran
- Department of Environmental Health Engineering, School of Public Health, Iran University of Medical Sciences, Tehran, Iran
| | - Mahdi Farzadkia
- Research Center of Environmental Health Technology, Iran University of Medical Sciences, Tehran, Iran
- Department of Environmental Health Engineering, School of Public Health, Iran University of Medical Sciences, Tehran, Iran
| | | | - Narjes Soleimanifar
- Molecular Immunology Research Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Bahareh Mohebbi
- Molecular Immunology Research Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Ahmad Jonidi Jafari
- Research Center of Environmental Health Technology, Iran University of Medical Sciences, Tehran, Iran
- Department of Environmental Health Engineering, School of Public Health, Iran University of Medical Sciences, Tehran, Iran
| | - Abbas Shahsavani
- Air Quality and Climate Change 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
| | - Farzad Fanaei
- Research Center of Environmental Health Technology, Iran University of Medical Sciences, Tehran, Iran
- Department of Environmental Health Engineering, School of Public Health, Iran University of Medical Sciences, Tehran, Iran
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Campisi M, Liviero F, Maestrelli P, Guarnieri G, Pavanello S. DNA Methylation-Based Age Prediction and Telomere Length Reveal an Accelerated Aging in Induced Sputum Cells Compared to Blood Leukocytes: A Pilot Study in COPD Patients. Front Med (Lausanne) 2021; 8:690312. [PMID: 34368190 PMCID: PMC8342924 DOI: 10.3389/fmed.2021.690312] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2021] [Accepted: 06/08/2021] [Indexed: 11/13/2022] Open
Abstract
Aging is the predominant risk factor for most degenerative diseases, including chronic obstructive pulmonary disease (COPD). This process is however very heterogeneous. Defining the biological aging of individual tissues may contribute to better assess this risky process. In this study, we examined the biological age of induced sputum (IS) cells, and peripheral blood leukocytes in the same subject, and compared these to assess whether biological aging of blood leukocytes mirrors that of IS cells. Biological aging was assessed in 18 COPD patients (72.4 ± 7.7 years; 50% males). We explored mitotic and non-mitotic aging pathways, using telomere length (TL) and DNA methylation-based age prediction (DNAmAge) and age acceleration (AgeAcc) (i.e., difference between DNAmAge and chronological age). Data on demographics, life style and occupational exposure, lung function, and clinical and blood parameters were collected. DNAmAge (67.4 ± 5.80 vs. 61.6 ± 5.40 years; p = 0.0003), AgeAcc (-4.5 ± 5.02 vs. -10.8 ± 3.50 years; p = 0.0003), and TL attrition (1.05 ± 0.35 vs. 1.48 ± 0.21 T/S; p = 0.0341) are higher in IS cells than in blood leukocytes in the same patients. Blood leukocytes DNAmAge (r = 0.927245; p = 0.0026) and AgeAcc (r = 0.916445; p = 0.0037), but not TL, highly correlate with that of IS cells. Multiple regression analysis shows that both blood leukocytes DNAmAge and AgeAcc decrease (i.e., younger) in patients with FEV1% enhancement (p = 0.0254 and p = 0.0296) and combined inhaled corticosteroid (ICS) therapy (p = 0.0494 and p = 0.0553). In conclusion, new findings from our work reveal a differential aging in the context of COPD, by a direct quantitative comparison of cell aging in the airway with that in the more accessible peripheral blood leukocytes, providing additional knowledge which could offer a potential translation into the disease management.
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Affiliation(s)
- Manuela Campisi
- Occupational Medicine, Department of Cardiac, Thoracic, and Vascular Sciences and Public Health, University Hospital of Padua, Padua, Italy
| | - Filippo Liviero
- Occupational Medicine, Department of Cardiac, Thoracic, and Vascular Sciences and Public Health, University Hospital of Padua, Padua, Italy
| | - Piero Maestrelli
- Occupational Medicine, Department of Cardiac, Thoracic, and Vascular Sciences and Public Health, University Hospital of Padua, Padua, Italy
| | - Gabriella Guarnieri
- Respiratory Pathophysiology Unit, Department of Cardiac, Thoracic, and Vascular Sciences and Public Health, University Hospital of Padua, Padua, Italy
| | - Sofia Pavanello
- Occupational Medicine, Department of Cardiac, Thoracic, and Vascular Sciences and Public Health, University Hospital of Padua, Padua, Italy
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43
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Pietrogrande MC, Bacco D, Trentini A, Russo M. Effect of filter extraction solvents on the measurement of the oxidative potential of airborne PM 2.5. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:29551-29563. [PMID: 33565023 PMCID: PMC8222022 DOI: 10.1007/s11356-021-12604-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/02/2020] [Accepted: 01/18/2021] [Indexed: 05/25/2023]
Abstract
Solvent extraction of PM2.5 samples collected on the filter is a preliminary step for assessing the PM2.5 oxidative potential (OP) using cell-free assays, as the dithiothreitol (DTT) and the ascorbic acid (AA) assays. In this study, we evaluated the effect of the solvent choice by extracting ambient PM2.5 samples with different solvents: methanol, as organic solvent, and two aqueous buffers, i.e., phosphate buffer (PB) and Gamble's solution (G), as a lung fluid surrogate solution. Both the measured volume-based OPVDTT and OPVAA responses varied for the different extraction methods, since methanol extraction generated the lowest values and phosphate buffer the highest. Although all the tested solvents produced intercorrelated OPVDTT values, the phosphate buffer resulted the most useful for OPDTT assessment, as it provided the most sensible measure (nearly double values) compared with other extractions. The association of the measured OPV values with PM chemical composition suggested that oxidative properties of the investigated PM2.5 samples depend on both transition metals and quinones, as also supported by additional experimental measurements on standard solutions of redox-active species.
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Affiliation(s)
- Maria Chiara Pietrogrande
- Department of Chemical and Pharmaceutical Sciences, University of Ferrara, Via Fossato di Mortara 17/19 - 44121, Ferrara, Italy.
| | - Dimitri Bacco
- Emilia Romagna Regional Agency for Prevention, Environment and Energy, ARPAE, Via Po 5 - 40139, Bologna, Italy
| | - Arianna Trentini
- Emilia Romagna Regional Agency for Prevention, Environment and Energy, ARPAE, Via Po 5 - 40139, Bologna, Italy
| | - Mara Russo
- Department of Chemical and Pharmaceutical Sciences, University of Ferrara, Via Fossato di Mortara 17/19 - 44121, Ferrara, Italy
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Seriani R, Paula CPD, Cunha AFD, Oliveira MAD, Krempel PG, Frias DP, Negri EM, Mauad T, Macchione M. Expression patterns of peroxiredoxin genes in bronchial epithelial cells exposed to diesel exhaust particles. Exp Mol Pathol 2021; 120:104641. [PMID: 33901418 DOI: 10.1016/j.yexmp.2021.104641] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2020] [Revised: 03/07/2021] [Accepted: 04/21/2021] [Indexed: 11/18/2022]
Abstract
Several mechanisms have been suggested to explain the adverse effects of air pollutants on airway cells. One such explanation is the presence of high concentrations of oxidants and pro-oxidants in environmental pollutants. All animal and plant cells have developed several mechanisms to prevent damage by oxidative molecules. Among these, the peroxiredoxins (PRDXs) are of interest due to a high reactivity with reactive oxygen species (ROS) through the functioning of the thioredoxin/thioredoxin reductase system. This study aimed to verify the gene expression patterns of the PRDX family in bronchial epithelial airway cells (BEAS-2B) cells exposed to diesel exhaust particles (DEPs) at a concentration of 15 μg/mL for 1 or 2 h because this it is a major component of particulate matter in the atmosphere. There was a significant decrease in mRNA fold changes of PRDX2 (0.43 ± 0.34; *p = 0.0220), PRDX5 (0.43 ± 0.34; *p = 0.0220), and PRDX6 (0.33 ± 0.25; *p = 0.0069) after 1 h of exposure to DEPs. The reduction in mRNA levels may consequently lead to a decrease in the levels of PRDX proteins, increasing oxidative stress in bronchial epithelial cells BEAS-2B and thus, negatively affecting cellular functions.
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Affiliation(s)
- Robson Seriani
- Laboratory of Experimental Air Pollution (LIM05), Department of Pathology, School of Medicine, University of São Paulo, FMUSP- Av. Dr. Arnaldo 455, 1°floor, room 1150, São Paulo, SP 01246-903, Brazil; PROSCED - Consulting, Training and Development, Rua Alto Belo, 742, room 01, São Paulo, SP 03478-040, Brazil.
| | - Carla Peres de Paula
- Genetic and Evolution Department, Federal University of São Carlos, UFSCar- Av. Washington Luiz Km 235, São Carlos, SP 13565-905, Brazil
| | - Anderson Ferreira da Cunha
- Genetic and Evolution Department, Federal University of São Carlos, UFSCar- Av. Washington Luiz Km 235, São Carlos, SP 13565-905, Brazil
| | - Marcos Antonio de Oliveira
- Biosciences Institute, Coastal Campus, São Paulo State University, Structural and Functional Molecular Biology, UNESP- Praça Infante Dom Henrique s/n°, São Vicente, SP 11330-900, Brazil
| | - Paloma Gava Krempel
- Laboratory for Investigations in Ophthalmology (LIM-33), University of São Paulo Medical School São Paulo, FMUSP - Dr. Arnaldo 455, 5° floorr, São Paulo, SP 01246-903, Brazil
| | - Daniela Perroni Frias
- Laboratory of Experimental Air Pollution (LIM05), Department of Pathology, School of Medicine, University of São Paulo, FMUSP- Av. Dr. Arnaldo 455, 1°floor, room 1150, São Paulo, SP 01246-903, Brazil
| | - Elnara Marcia Negri
- Laboratory of Experimental Air Pollution (LIM05), Department of Pathology, School of Medicine, University of São Paulo, FMUSP- Av. Dr. Arnaldo 455, 1°floor, room 1150, São Paulo, SP 01246-903, Brazil
| | - Thais Mauad
- Laboratory of Experimental Air Pollution (LIM05), Department of Pathology, School of Medicine, University of São Paulo, FMUSP- Av. Dr. Arnaldo 455, 1°floor, room 1150, São Paulo, SP 01246-903, Brazil
| | - Mariangela Macchione
- Laboratory of Experimental Air Pollution (LIM05), Department of Pathology, School of Medicine, University of São Paulo, FMUSP- Av. Dr. Arnaldo 455, 1°floor, room 1150, São Paulo, SP 01246-903, Brazil
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Abstract
Atmospheric particulate matter (PM) is one of the leading health risks worldwide [...]
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Oxidative Potential, Cytotoxicity, and Intracellular Oxidative Stress Generating Capacity of PM10: A Case Study in South of Italy. ATMOSPHERE 2021. [DOI: 10.3390/atmos12040464] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Long and short-term exposure to atmospheric particulate matter (PM) has detrimental effects on human health. The effective mechanisms leading to PM toxicity are still not fully understood, even if it is known that physical-chemical properties, strongly influenced by sources and atmospheric processes, are known to play an important role. In this work, PM10 samples were collected, at an urban background site in southern Italy, to determine cytotoxicity (using MTT test on A549 cells), genotoxicity (using the comet assay), and intracellular oxidative stress on A549 cells exposed for 24 h to aqueous extracts of PM10 samples. Organic carbon (OC) and elemental carbon (EC) content of PM10 and acellular determination of oxidative potential with DTT assay were performed to compare results of acellular and cellular biological assays. Cellular (OSGCV and MTTV) and acellular (OPDTTV) outcomes, normalized in volume, are well correlated (statistically significant results) with carbon content suggesting that combustion sources play an important role in determining cellular oxidative stress and cytotoxicity of PM10. Even if the number of data is limited, genotoxicity results are well correlated (Pearson r > 0.95) with OSGCV and MTTV, and a weaker, but statistically significant correlation was observed with OPDTTV. OSGCV is well correlated with the cell mortality observed with the MTTV test and a lower, but still statistically significant correlation is observed between MTTV and OPDDTV. A statistically significant correlation was found between OPDTTV and OSGCV results. When the outcomes of the cellular and acellular assay are compared normalized in mass (i.e., intrinsic values), the correlations become significantly weaker suggesting that the different sources acting on the site produces particulate matter with different toxicological potential influencing differently the biological tests studied.
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Tart Cherry Extract Containing Chlorogenic Acid, Quercetin, and Kaempferol Inhibits the Mitochondrial Apoptotic Cell Death Elicited by Airborne PM 10 in Human Epidermal Keratinocytes. Antioxidants (Basel) 2021; 10:antiox10030443. [PMID: 33805724 PMCID: PMC8001120 DOI: 10.3390/antiox10030443] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2021] [Revised: 03/09/2021] [Accepted: 03/11/2021] [Indexed: 11/16/2022] Open
Abstract
Tart cherry (Prunus cerasus L.), a medicinal food containing high concentrations of phytochemicals, has a variety of antioxidant activities and health benefits. Here, we investigate the functional effect of tart cherry during apoptotic cell death elicited by airborne particulate matter with a diameter of <10 μm (PM10) in human epidermal keratinocyte HaCaT cells. The PM10 particles significantly induced cytotoxicity in the HaCaT cells. The decrease in cell viability was restored upon treatment with tart cherry extract (200 μg/mL) containing chlorogenic acid, quercetin, and kaempferol. Tart cherry inhibited the intracellular reactive oxygen species (ROS) responsible for the distinctive activations of the extracellular signal-regulated kinase (ERK) and p38 mitogen-activated protein kinase (MAPK) in PM10-treated HaCaT cells. Interestingly, tart cherry significantly inhibited the expression of apoptosis-related genes (B-Cell Lymphoma 2 (Bcl-2), Bcl-2 associated X protein (Bax), and caspase-3) as regulated by the activation of transcription factor nuclear factor-kappa B (NF-κB). These results demonstrate that tart cherry is a medicinal food that blocks the mitochondrial pathway of apoptosis induced by PM10 in human epidermal keratinocytes.
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Cheng Y, Ma Y, Dong B, Qiu X, Hu D. Pollutants from primary sources dominate the oxidative potential of water-soluble PM 2.5 in Hong Kong in terms of dithiothreitol (DTT) consumption and hydroxyl radical production. JOURNAL OF HAZARDOUS MATERIALS 2021; 405:124218. [PMID: 33092883 DOI: 10.1016/j.jhazmat.2020.124218] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/02/2020] [Revised: 09/30/2020] [Accepted: 10/06/2020] [Indexed: 06/11/2023]
Abstract
Increasing scientific findings show that the adverse health effects of PM2.5 are related not only to its mass but also PM2.5 sources and chemical compositions. Here, we conducted a comprehensive characterization and source apportionment of oxidative potential (OP) of water-soluble PM2.5 collected in Hong Kong for one year. Two OP indicators, namely dithiothreitol (DTT) consumption and ∙OH formation, were quantified. Six PM2.5 sources, i.e. secondary sulfate, biomass burning, secondary organic aerosol (SOA), vehicle emissions, marine vessels, and a metal-related factor, were apportioned and identified to be DTT active. The four primary sources accounted for 83.5% of DTT activity of water-soluble PM2.5, with the metal-related factor and marine vessels as the leading contributors. However, only three sources, i.e. metal-related factor, vehicle emissions, and SOA, showed ∙OH generation ability, with a predominant contribution of 96.2% from the two primary sources, especially the metal-related factor (84.5%). Based on the source apportionment results, we further evaluate the intrinsic OP of water-soluble PM2.5 from each source. Marine vessels exhibited the highest intrinsic DTT activity; while metal-related factor was most effective in ∙OH generation.
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Affiliation(s)
- Yubo Cheng
- State Key Laboratory of Environmental and Biological Analysis, Department of Chemistry, Hong Kong Baptist University, Kowloon Tong, Kowloon, Hong Kong, China
| | - Yiqiu Ma
- State Key Laboratory of Environmental and Biological Analysis, Department of Chemistry, Hong Kong Baptist University, Kowloon Tong, Kowloon, Hong Kong, China; HKBU Institute of Research and Continuing Education, Shenzhen Virtual University Park, Shenzhen 518057, PR China
| | - Biao Dong
- State Key Laboratory of Biotherapy, Sichuan University, Chengdu 610041, PR China
| | - Xinghua Qiu
- State Key Joint Laboratory for Environmental Simulation and Pollution Control, College of Environmental Sciences and Engineering, Center for Environment and Health, Peking University, Beijing 100871, PR China
| | - Di Hu
- State Key Laboratory of Environmental and Biological Analysis, Department of Chemistry, Hong Kong Baptist University, Kowloon Tong, Kowloon, Hong Kong, China; HKBU Institute of Research and Continuing Education, Shenzhen Virtual University Park, Shenzhen 518057, PR China.
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Shahpoury P, Zhang ZW, Arangio A, Celo V, Dabek-Zlotorzynska E, Harner T, Nenes A. The influence of chemical composition, aerosol acidity, and metal dissolution on the oxidative potential of fine particulate matter and redox potential of the lung lining fluid. ENVIRONMENT INTERNATIONAL 2021; 148:106343. [PMID: 33454608 PMCID: PMC7868889 DOI: 10.1016/j.envint.2020.106343] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/09/2020] [Revised: 11/28/2020] [Accepted: 12/15/2020] [Indexed: 06/12/2023]
Abstract
Air pollution is a major environmental health risk and it contributes to respiratory and cardiovascular diseases and excess mortality worldwide. The adverse health effects have been associated with the inhalation of fine particulate matter (PM2.5) and induction of respiratory oxidative stress. In this work, we quantified the oxidative potential (OP) of PM2.5 from several Canadian cities (Toronto, Hamilton, Montreal, Vancouver) using a recently developed bioanalytical method which measures the oxidation of lung antioxidants, glutathione, cysteine, and ascorbic acid, the formation of glutathione disulfide and cystine, and the related redox potential (RP) in a simulated epithelial lining fluid (SELF). We evaluated the application of empirical SELF RP as a new metric for aerosol OP. We further investigated how PM2.5 chemical composition and OP are related across various emission source sectors and whether these features are linked to specific properties of aerosol aqueous phase, such as pH and metal-ligand complexation. The OP indicators including SELF RP were strongly correlated among each other, indicating that the empirical RP could be used as a reliable metric in future studies. OP based on ascorbic acid showed dependency on the emission source sectors, most likely due to variation in the solubility of Fe. Traffic emissions resulted in the highest OP, followed by industrial emissions and resuspended crustal matter. OP presented low correlation with PM2.5 concentrations, low-moderate correlation with the aerosol organic matter, and moderate-strong association with black carbon and transition metals across the sites. We did not find strong association between the concentration of biomass burning tracers and OP. Copper was the only metal that showed high association with OP across all sites, whereas the correlation with other metals, such as iron, manganese, and titanium, showed clear dependency on the source sectors. The aerosol pH correlated negatively with ambient temperature and positively with biomass burning tracers and the levels of nitrate, ammonium, and aerosol liquid water content. The solubility of Fe was associated with sulfate and aerosol pH at most sites, suggesting the involvement of proton-mediated dissolution pathway, while this was not visible at the site influenced by industrial emission, most likely due to the abundance of pyrogenic Fe. The effect of metal-ligand complexation on the solubility of transition metals, in particular Fe, was clearly observed at all sites, whereas a combined effect with aerosol pH, and a subsequent impact on OP, was only seen at the traffic site in Toronto. The enhanced solubility of Fe due to proton- and ligand-mediated dissolution pathways and subsequent formation of reactive oxygen species may in part explain the health effects of PM2.5 seen in previous epidemiological studies.
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Affiliation(s)
- Pourya Shahpoury
- Air Quality Research Division, Environment and Climate Change Canada, Toronto, Canada.
| | - Zheng Wei Zhang
- Air Quality Research Division, Environment and Climate Change Canada, Toronto, Canada
| | - Andrea Arangio
- Laboratory of Atmospheric Processes and their Impacts, School of Architecture, Civil and Environmental Engineering, École Polytechnique Fédérale de Lausanne, Switzerland
| | - Valbona Celo
- Air Quality Research Division, Environment and Climate Change Canada, Ottawa, Canada
| | | | - Tom Harner
- Air Quality Research Division, Environment and Climate Change Canada, Toronto, Canada
| | - Athanasios Nenes
- Laboratory of Atmospheric Processes and their Impacts, School of Architecture, Civil and Environmental Engineering, École Polytechnique Fédérale de Lausanne, Switzerland; Institute of Chemical Engineering Sciences, Foundation for Research and Technology Hellas, Patras, Greece
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Seasonal Variations in the Chemical Composition of Indoor and Outdoor PM10 in University Classrooms. SUSTAINABILITY 2021. [DOI: 10.3390/su13042263] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
In the VIEPI project (Integrated evaluation of the exposure to indoor particulate matter) framework, we carried out a 1-year study of the concentration and chemical composition of particulate matter (PM) in a 5 story building in the Sapienza University of Rome (Italy). Each sampling had a duration of 1 month and was carried out indoors and outdoors in six classrooms. The chemical analyses were grouped to obtain information about the main PM sources. Micro-elements in their soluble and insoluble fractions were used to trace additional sources. Indoor PM composition was dominated by soil components and, to a lesser extent, by the organics, which substantially increased when people crowded the sites. The penetration of PM components was regulated by their chemical nature and by the dimensions of the particles in which they were contained. For the first time in crowded indoor environments, three different chemical assays aimed to determine PM redox properties complemented chemical composition measurements. These preliminary tests showed that substantially different redox properties characterised atmospheric particles in indoor and outdoor sites. The innovative characteristics of this study (time duration, number of considered environments) were essential to obtain relevant information about PM composition and sources in indoor academic environments and the occupants’ role.
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