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Duan L, Zhang M, Cao Y, Du Y, Chen M, Xue R, Shen M, Luo D, Xiao S, Duan Y. Exposure to ambient air pollutants is associated with an increased incidence of hyperuricemia: A longitudinal cohort study among Chinese government employees. ENVIRONMENTAL RESEARCH 2023; 235:116631. [PMID: 37442260 DOI: 10.1016/j.envres.2023.116631] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/11/2023] [Revised: 06/26/2023] [Accepted: 07/10/2023] [Indexed: 07/15/2023]
Abstract
BACKGROUND It is widely recognized that ambient air pollution can induce various detrimental health outcomes. However, evidence linking ambient air pollutants and hyperuricemia incidence is scarce. OBJECTIVES To assess the association between long-term air pollution exposure and the risk of hyperuricemia. METHODS In this study, a total of 5854 government employees without hyperuricemia were recruited and followed up from January 2018 to June 2021 in Hunan Province, China. Hyperuricemia was defined as serum uric acid (SUA) level of >420 μmol/L for men and >360 μmol/L for women or use of SUA-lowering medication or diagnosed as hyperuricemia during follow-up. Data from local air quality monitoring stations were used to calculate individual exposure levels of PM10, PM2.5, SO2 and NO2 by inverse distance weightingn (IDW) method. Cox proportional hazard model was applied to evaluate the causal relationships between air pollutant exposures and the risk of hyperuricemia occurrence after adjustment for potential confounders and meanwhile, restricted cubic spline was used to explore the dose-response relationships. RESULTS The results indicated that exposures to PM10 (hazard ratio, HR = 1.042, 95% conficence interal, 95% CI: 1.028, 1.057), PM2.5 (HR = 1.204, 95% CI: 1.141, 1.271) and NO2 (HR = 1.178, 95% CI: 1.125,1.233) were associated with an increased HR of hyperuricemia. In addition, a nonlinear dose-response relationship was found between PM10 exposure level and the HR of hyperuricemia (p for nonlinearity = 0.158) with a potential threshold of 50.11 μg/m3. Subgroup analysis demonstrated that participants usually waking up at night and using natural ventilation were more vulnerable to the exposures of PM10, PM2.5, NO2, and SO2. CONCLUSION Long-term exposures to ambient PM10, PM2.5 and NO2 are associated with an increased incidence of hyperuricemia among Chinese government employees.
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Affiliation(s)
- Lidan Duan
- Department of Occupational and Environmental Health, Xiangya School of Public Health, Central South University, Changsha, 410078, China
| | - Muyang Zhang
- Department of Occupational and Environmental Health, Xiangya School of Public Health, Central South University, Changsha, 410078, China
| | - Yuhan Cao
- Department of Occupational and Environmental Health, Xiangya School of Public Health, Central South University, Changsha, 410078, China
| | - Yuwei Du
- Department of Occupational and Environmental Health, Xiangya School of Public Health, Central South University, Changsha, 410078, China
| | - Meiling Chen
- Department of Occupational and Environmental Health, Xiangya School of Public Health, Central South University, Changsha, 410078, China
| | - Rumeng Xue
- Department of Occupational and Environmental Health, Xiangya School of Public Health, Central South University, Changsha, 410078, China
| | - Minxue Shen
- Department of Social Medicine and Health Management, Xiangya School of Public Health, Central South University, Changsha, 410078, China
| | - Dan Luo
- Department of Social Medicine and Health Management, Xiangya School of Public Health, Central South University, Changsha, 410078, China
| | - Shuiyuan Xiao
- Department of Social Medicine and Health Management, Xiangya School of Public Health, Central South University, Changsha, 410078, China
| | - Yanying Duan
- Department of Occupational and Environmental Health, Xiangya School of Public Health, Central South University, Changsha, 410078, China.
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Qigang N, Afra A, Ramírez-Coronel AA, Turki Jalil A, Mohammadi MJ, Gatea MA, Efriza, Asban P, Mousavi SK, Kanani P, Mombeni Kazemi F, Hormati M, Kiani F. The effect of polycyclic aromatic hydrocarbon biomarkers on cardiovascular diseases. REVIEWS ON ENVIRONMENTAL HEALTH 2023; 0:reveh-2023-0070. [PMID: 37775307 DOI: 10.1515/reveh-2023-0070] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/28/2023] [Accepted: 09/05/2023] [Indexed: 10/01/2023]
Abstract
Polycyclic aromatic hydrocarbon (PAHs) are part of particulate matter (PM), which is produced from incomplete combustion of organic matter. Biomarkers mean biological indicators, molecules that indicate a normal or abnormal process in the body and may be a sign of a condition or disease. Studies show that PAHs increase the risk of cardiovascular diseases through processes such as oxidative stress, inflammation and atherosclerosis. The present study focused on the evaluation of health effects PAHs biomarkers on cardiovascular diseases (CVD). In this narrative study, data were collected from databases such as Scopus, PubMed, Web of science and Google Scholar in the period 1975-2023. After screening, duplicate and irrelevant articles were removed. Finally, 68 articles related to the effect of PAHs on CVD were included in the study. In addition to the articles found through the search in databases, another 18 articles from the references of the selected articles were included. According to the finding in during the biotransformation of PAH, a number of metabolites are made, such as phenols, diols, quinones, and epoxides. Phenolic isomers have the highest percentage and biomarkers used for their detection include 2-OHNAP used to trace naphthalene from heating processed food, 3-OHPHEN used to trace phenanthrene from diesel, 2-OHFLU used to trace fluorene and 1-OHPYR used to trace pyrene from cigarette and hookah smoke. According to the result, increasing blood pressure and heart rate and causing atherosclerosis are the main complications due to exposure to PAH metabolite on cardiovascular system. The most important agents that causes this affects including increased homocysteine, cholesterol, high-density lipoprotein (HDL), low-density lipoprotein (LDL), serum biomarkers of C-reactive protein, and triglycerides. Result this study showed that cardiovascular diseases risk is increased by exposure to PAH biomarkers from smoking, car emissions, occupational exposure, and incinerators. Therefore, strict controls should be implemented for sources of PAH production and exposure.
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Affiliation(s)
- Nie Qigang
- Physician Department of the Health Team of the 32152 Army of the Chinese People's Liberation Army, The Health Team of the 32152 Army of the Chinese People's Liberation Army, Army Medical University, Chongqing, China
| | - Arghavan Afra
- Department of Nursing, School of Nursing, Abadan University of Medical Sciences, Abadan, Iran
| | - Andrés Alexis Ramírez-Coronel
- Research group in educational statistics (GIEE), National University of Education (UNAE), Azogues, Ecuador
- Epidemiology and Biostatistics Research Group, CES University, Medellin, Colombia
| | - Abduladheem Turki Jalil
- Medical Laboratories Techniques Department, Al-Mustaqbal University College, Babylon, Hilla, 51001, Iraq
| | - Mohammad Javad Mohammadi
- Department of Environmental Health Engineering, School of Public Health and Environmental Technologies Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
- Air Pollution and Respiratory Diseases Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - M Abdulfadhil Gatea
- Technical Engineering Department College of Technical Engineering, The Islamic University, Najaf, Iraq
| | - Efriza
- Public Health Department, Faculty of Health, Fort De Kock University, Bukittinggi, Indonesia
| | - Parisa Asban
- Student of Research Committee, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Seyede Kosar Mousavi
- Student of Research Committee, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Parnia Kanani
- Student of Research Committee, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Fatemeh Mombeni Kazemi
- Student of Research Committee, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Maryam Hormati
- Student of Research Committee, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Fatemeh Kiani
- Student of Research Committee, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
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Alves C, Evtyugina M, Vicente E, Vicente A, Rienda IC, de la Campa AS, Tomé M, Duarte I. PM 2.5 chemical composition and health risks by inhalation near a chemical complex. J Environ Sci (China) 2023; 124:860-874. [PMID: 36182189 DOI: 10.1016/j.jes.2022.02.013] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2021] [Revised: 01/27/2022] [Accepted: 02/10/2022] [Indexed: 06/16/2023]
Abstract
Particulate matter (PM2.5) samples were collected in the vicinity of an industrial chemical pole and analysed for organic and elemental carbon (OC and EC), 47 trace elements and around 150 organic constituents. On average, OC and EC accounted for 25.2% and 11.4% of the PM2.5 mass, respectively. Organic compounds comprised polycyclic aromatic hydrocarbons (PAHs), alkylated PAHs, anhydrosugars, phenolics, aromatic ketones, glycerol derivatives, aliphatic alcohols, sterols, and carboxyl groups, including aromatic, carboxylic and dicarboxylic acids. Enrichment factors > 100 were obtained for Pb, Cd, Zn, Cu, Sn, B, Se, Bi, Sb and Mo, showing the contribution of industrial emissions and nearby major roads. Principal component analysis revealed that vehicle, industrial and biomass burning emissions accounted for 66%, 11% and 9%, respectively, of the total PM2.5-bound PAHs. Some of the detected organic constituents are likely associated with plasticiser ingredients and thermal stabilisers used in the manufacture of PVC and other plastics in the industrial complex. Photooxidation products of both anthropogenic (e.g., toluene) and biogenic (e.g., isoprene and pinenes) precursors were also observed. It was estimated that biomass burning accounted for 13.8% of the PM2.5 concentrations and that secondary OC represented 37.6% of the total OC. The lifetime cancer risk from inhalation exposure to PM2.5-bound PAHs was found to be negligible, but it exceeded the threshold of 10-6 for metal(loi)s, mainly due to Cr and As.
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Affiliation(s)
- Célia Alves
- Department of Environment, Centre for Environmental and Marine Studies (CESAM), University of Aveiro, 3810-193 Aveiro, Portugal.
| | - Margarita Evtyugina
- Department of Environment, Centre for Environmental and Marine Studies (CESAM), University of Aveiro, 3810-193 Aveiro, Portugal
| | - Estela Vicente
- Department of Environment, Centre for Environmental and Marine Studies (CESAM), University of Aveiro, 3810-193 Aveiro, Portugal
| | - Ana Vicente
- Department of Environment, Centre for Environmental and Marine Studies (CESAM), University of Aveiro, 3810-193 Aveiro, Portugal
| | - Ismael Casotti Rienda
- Department of Environment, Centre for Environmental and Marine Studies (CESAM), University of Aveiro, 3810-193 Aveiro, Portugal
| | - Ana Sánchez de la Campa
- Associate Unit CSIC-University of Huelva "Atmospheric Pollution", Centre for Research in Sustainable Chemistry - CIQSO, University of Huelva, E21071 Huelva, Spain; Department of Mining, Mechanic, Energetic and Construction Engineering, ETSI, University of Huelva, 21071 Huelva, Spain
| | - Mário Tomé
- PROMETHEUS, School of Technology and Management (ESTG), Polytechnic Institute of Viana do Castelo, 4900-348 Viana do Castelo, Portugal
| | - Iola Duarte
- Department of Chemistry, CICECO - Aveiro Institute of Materials, University of Aveiro, 3810-193 Aveiro, Portugal
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Kęska A, Janicka A, Zawiślak M, Molska J, Włostowski R, Włóka A, Świeściak J, Ostrowski K. Assessment of the Actual Toxicity of Engine Exhaust Gas Emissions from Euro 3 and Euro 6 Compliant Vehicles with the BAT-CELL Method Using In Vitro Tests. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:14138. [PMID: 36361013 PMCID: PMC9654593 DOI: 10.3390/ijerph192114138] [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: 09/28/2022] [Revised: 10/21/2022] [Accepted: 10/26/2022] [Indexed: 06/16/2023]
Abstract
Legal restrictions on vehicle engine exhaust gas emission control do not always go hand in hand with an actual reduction in the emissions of toxins into the atmosphere. Moreover, the methods currently used to measure exhaust gas emissions do not give unambiguous results on the impact of the tested gases on living organisms. The method used to assess the actual toxicity of gases, BAT-CELL Bio-Ambient-Tests using in vitro tests, takes into account synergistic interactions of individual components of a mixture of gases without the need to know its qualitative and quantitative composition and allows for determination of the actual toxicity of the gas composition. Using the BAT-CELL method, exhaust gases from passenger vehicles equipped with spark-ignition engines complying with the Euro 3 and Euro 6 emission standards were tested. The results of toxicological tests were correlated with the results of chromatographic analysis. It was shown that diverse qualitative composition of the mixture of hydrocarbons determining the exhaust gases toxicity may decrease the percentage value of cell survival. Additionally, it was proven that the average survival of cells after exposure to exhaust gases from tested vehicles meeting the more restrictive Euro 6 standard was lower than for vehicles meeting the Euro 3 standard thus indicating the higher toxicity of exhaust gases from newer vehicles.
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Iakovides M, Oikonomou K, Sciare J, Mihalopoulos N. Evidence of stockpile contamination for legacy polychlorinated biphenyls and organochlorine pesticides in the urban environment of Cyprus (Eastern Mediterranean): Influence of meteorology on air level variability and gas/particle partitioning based on equilibrium and steady-state models. JOURNAL OF HAZARDOUS MATERIALS 2022; 439:129544. [PMID: 35908394 DOI: 10.1016/j.jhazmat.2022.129544] [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: 04/26/2022] [Revised: 07/03/2022] [Accepted: 07/04/2022] [Indexed: 06/15/2023]
Abstract
The present study investigated comprehensively the atmospheric occurrence and fate of an extensive range of polychlorinated biphenyls (PCBs; forty-two congeners), organochlorine pesticides (OCPs; twenty-seven emerging and legacy agrochemicals) and polycyclic aromatic hydrocarbons (PAHs; fifty parent and alkylated members, including the non USEPA-16 listed toxic ones), in both gas and particulate phase of the scarcely monitored atmosphere over Cyprus for the first time. Parent-metabolite concentration ratios suggested fresh application for dichlorodiphenyl-trichloroethanes (DDTs), dicofol, hexachlorocyclohexanes, endosulfan and chlorothalonil, particularly during spring (April-May). Regressions of logarithms of partial pressure against ambient temperature revealed that secondary recycling from contaminated terrestrial surfaces regulates the atmospheric level variability of PCBs, DDTs, aldrin, chlordane, dicofol, heptachlor and endosulfan. Enthalpies of surface-air exchange (∆HSA) calculated from Clausius-Clapeyron equations were significantly correlated to vaporization enthalpies (∆HV) determined by chromatographic techniques, corroborating presence of potential stockpile-contaminated sites around the study area. The Harner-Bidleman equilibrium model simulating urban areas, and the Li-Jia empirical model, predicted better the partitioning behavior of PAHs (<four-ring parent and alkylated members), PCBs (<hexa-chlorobiphenyls), and OCPs, respectively. For heavier PAHs and PCBs, partitioning coefficients (KP) were inadequately predicted by the Li-Ma-Yang steady-state model, probably due to local human activities and regional transport in the study area.
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Affiliation(s)
- Minas Iakovides
- Climate and Atmosphere Research Center, The Cyprus Institute, 20, Konstantinou Kavafi Street, 2121 Aglantzia, Cyprus.
| | - Konstantina Oikonomou
- Climate and Atmosphere Research Center, The Cyprus Institute, 20, Konstantinou Kavafi Street, 2121 Aglantzia, Cyprus
| | - Jean Sciare
- Climate and Atmosphere Research Center, The Cyprus Institute, 20, Konstantinou Kavafi Street, 2121 Aglantzia, Cyprus
| | - Nikos Mihalopoulos
- Climate and Atmosphere Research Center, The Cyprus Institute, 20, Konstantinou Kavafi Street, 2121 Aglantzia, Cyprus; Chemistry Department, University of Crete, 71003 Heraklion, Crete, Greece; Institute for Environmental Research and Sustainable Development, National Observatory of Athens, Palaia Penteli, 15236 Athens, Greece
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6
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Hakkarainen H, Salo L, Mikkonen S, Saarikoski S, Aurela M, Teinilä K, Ihalainen M, Martikainen S, Marjanen P, Lepistö T, Kuittinen N, Saarnio K, Aakko-Saksa P, Pfeiffer TV, Timonen H, Rönkkö T, Jalava PI. Black carbon toxicity dependence on particle coating: Measurements with a novel cell exposure method. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 838:156543. [PMID: 35679919 DOI: 10.1016/j.scitotenv.2022.156543] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/11/2022] [Revised: 06/03/2022] [Accepted: 06/03/2022] [Indexed: 06/15/2023]
Abstract
Black carbon (BC) is a component of ambient particulate matter which originates from incomplete combustion emissions. BC is regarded as an important short-lived climate forcer, and a significant public health hazard. These two concerns have made BC a focus in aerosol science. Even though, the toxicity of BC particles is well recognized, the mechanism of toxicity for BC as a part of the total gas and particle emission mixture from combustion is still largely unknown and studies concerning it are scarce. In the present study, using a novel thermophoresis-based air-liquid interface (ALI) in vitro exposure system, we studied the toxicity of combustion-generated aerosols containing high levels of BC, diluted to atmospheric levels (1 to 10 μg/m3). Applying multiple different aerosol treatments, we simulated different sources and atmospheric aging processes, and utilizing several toxicological endpoints, we thoroughly examined emission toxicity. Our results revealed that an organic coating on the BC particles increased the toxicity, which was seen as larger genotoxicity and immunosuppression. Furthermore, aging of the aerosol also increased its toxicity. A deeper statistical analysis of the results supported our initial conclusions and additionally revealed that toxicity increased with decreasing particle size. These findings regarding BC toxicity can be applied to support policies and technologies to reduce the most hazardous compositions of BC emissions. Additionally, our study showed that the thermophoretic ALI system is both a suitable and useful tool for toxicological studies of emission aerosols.
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Affiliation(s)
- Henri Hakkarainen
- Inhalation Toxicology Laboratory, Department of Environmental and Biological Sciences, University of Eastern Finland, P.O. Box 1627, 70211 Kuopio, Finland.
| | - Laura Salo
- Aerosol Physics Laboratory, Physics Unit, Tampere University, P.O. Box 692, 33014 Tampere, Finland
| | - Santtu Mikkonen
- Department of Applied Physics, University of Eastern Finland, P.O. Box 1627, 70211 Kuopio, Finland; Department of Environmental and Biological Sciences, University of Eastern Finland, P.O. Box 1627, 70211 Kuopio, Finland
| | - Sanna Saarikoski
- Atmospheric Composition Research, Finnish Meteorological Institute, P.O. Box 503, Helsinki 00101, Finland
| | - Minna Aurela
- Atmospheric Composition Research, Finnish Meteorological Institute, P.O. Box 503, Helsinki 00101, Finland
| | - Kimmo Teinilä
- Atmospheric Composition Research, Finnish Meteorological Institute, P.O. Box 503, Helsinki 00101, Finland
| | - Mika Ihalainen
- Inhalation Toxicology Laboratory, Department of Environmental and Biological Sciences, University of Eastern Finland, P.O. Box 1627, 70211 Kuopio, Finland
| | - Sampsa Martikainen
- Aerosol Physics Laboratory, Physics Unit, Tampere University, P.O. Box 692, 33014 Tampere, Finland
| | - Petteri Marjanen
- Aerosol Physics Laboratory, Physics Unit, Tampere University, P.O. Box 692, 33014 Tampere, Finland
| | - Teemu Lepistö
- Aerosol Physics Laboratory, Physics Unit, Tampere University, P.O. Box 692, 33014 Tampere, Finland
| | - Niina Kuittinen
- Aerosol Physics Laboratory, Physics Unit, Tampere University, P.O. Box 692, 33014 Tampere, Finland
| | - Karri Saarnio
- Atmospheric Composition Research, Finnish Meteorological Institute, P.O. Box 503, Helsinki 00101, Finland
| | - Päivi Aakko-Saksa
- VTT Technical Research Centre of Finland, P.O. Box 1000, 02044 VTT Espoo, Finland
| | - Tobias V Pfeiffer
- VSParticle B.V., Molengraaffsingel 10, 2629 JD Delft, the Netherlands
| | - Hilkka Timonen
- Atmospheric Composition Research, Finnish Meteorological Institute, P.O. Box 503, Helsinki 00101, Finland
| | - Topi Rönkkö
- Aerosol Physics Laboratory, Physics Unit, Tampere University, P.O. Box 692, 33014 Tampere, Finland
| | - Pasi I Jalava
- Inhalation Toxicology Laboratory, Department of Environmental and Biological Sciences, University of Eastern Finland, P.O. Box 1627, 70211 Kuopio, Finland
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Besis A, Gallou D, Avgenikou A, Serafeim E, Samara C. Size-dependent in vitro inhalation bioaccessibility of PAHs and O/N PAHs - Implications to inhalation risk assessment. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2022; 301:119045. [PMID: 35217141 DOI: 10.1016/j.envpol.2022.119045] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/22/2021] [Revised: 02/11/2022] [Accepted: 02/19/2022] [Indexed: 06/14/2023]
Abstract
Size segregated samples (<0.49, 0.49-0.95, 0.95-1.5, 1.5-3.0, 3.0-7.2 and > 7.2 μm) of atmospheric particulate matter (APM) were collected at a traffic site in the urban agglomeration of Thessaloniki, northern Greece, during the cold and the warm period of 2020. The solvent-extractable organic matter was analyzed for selected organic contaminants including polycyclic aromatic hydrocarbons (PAHs), and their nitro- and oxy-derivarives (NPAHs and OPAHs, respectively). Mean concentrations of ∑16PAHs, ∑6NPAHs and ∑10OPAHs associated to total suspended particles (TSP) were 18 ng m-3, 0.2 ng m-3 and 0.9 ng m-3, respectively, in the cold period exhibiting significant decrease (6.4, 0.2 and 0.09 ng m-3, respectively) in the warm period. The major amount of all compounds was found to be associated with the alveolar particle size fraction <0.49 μm. The inhalation bioaccessibility of PAHs and O/N PAHs was measured in vitro using two simulated lung fluids (SLFs), the Gamble's solution (GS) and the artificial lysosomal fluid (ALF). With both SLFs, the derived bioaccessible fractions (BAFs) followed the order PAHs > OPAHs > NPAHs. Although no clear dependence of bioaccessibility on particle size was obtained, increased bioaccessibility of PAHs and PAH derivatives in coarse particles (>7.2 μm) was evident. Bioaccessibility was found to be strongly related to the logKOW and the water solubility of individual compounds hindering limited mobilization of the most hydrophobic and less water-soluble compounds from APM to SLFs. The lifetime cancer risk due to inhalation exposure to bioaccessible PAHs, NPAHs and OPAHs was estimated and compared to those calculated from the particulate concentrations of organic contaminants.
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Affiliation(s)
- Athanasios Besis
- Environmental Pollution Control Laboratory, Department of Chemistry, Aristotle University of Thessaloniki, GR-54124, Thessaloniki, Greece.
| | - Domniki Gallou
- 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
| | - Eleni Serafeim
- Environmental Pollution Control Laboratory, Department of Chemistry, Aristotle University of Thessaloniki, GR-54124, Thessaloniki, Greece
| | - Constantini Samara
- Environmental Pollution Control Laboratory, Department of Chemistry, Aristotle University of Thessaloniki, GR-54124, Thessaloniki, Greece
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Besis A, Botsaropoulou E, Balla D, Voutsa D, Samara C. Toxic organic pollutants in Greek house dust: Implications for human exposure and health risk. CHEMOSPHERE 2021; 284:131318. [PMID: 34192665 DOI: 10.1016/j.chemosphere.2021.131318] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/16/2021] [Revised: 06/16/2021] [Accepted: 06/21/2021] [Indexed: 05/27/2023]
Abstract
Organic contaminants often documented in house dust include mainly chemicals released from construction materials and consumer products and compounds emitted from indoor combustion activities. The occurrence of major chemical classes of toxic organic pollutants, included polybrominated diphenyl ethers (PBDEs), polychlorinated biphenyls (PCBs), polycyclic aromatic hydrocarbons (PAHs) and nitrated polycyclic aromatic hydrocarbons (NPAHs), was for the first time investigated in house dust in Greece. The mean concentrations of ∑16PAHs, ∑20PBDEs, ∑7NPAHs and∑15PCBs in house dust were 4650 ng g-1, 564 ng g-1, 7.52 ng g-1, and 6.29 ng g-1, respectively. Exposure to dust organic contaminants via ingestion, inhalation and dermal absorption was estimated for two age classes (adults and children) and carcinogenic and non-carcinogenic risks were assessed. The hazard index (HI) for adults and children for PBDEs, PCBs, PAHs and NPAHs in all samples was less than 1 suggesting a very low level of concern for all human age group due to exposure to those chemicals. Total carcinogenic risk via the three exposure pathways (ingestion, inhalation and dermal contact) was within the safe range of 10-6 to 10-4.
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Affiliation(s)
- Athanasios Besis
- Environmental Pollution Control Laboratory, Department of Chemistry, Aristotle University of Thessaloniki, GR, 54124, Thessaloniki, Greece.
| | - Elisavet Botsaropoulou
- Environmental Pollution Control Laboratory, Department of Chemistry, Aristotle University of Thessaloniki, GR, 54124, Thessaloniki, Greece
| | - Dimitra Balla
- Environmental Pollution Control Laboratory, Department of Chemistry, Aristotle University of Thessaloniki, GR, 54124, Thessaloniki, Greece
| | - Dimitra Voutsa
- Environmental Pollution Control Laboratory, Department of Chemistry, Aristotle University of Thessaloniki, GR, 54124, Thessaloniki, Greece
| | - Constantini Samara
- Environmental Pollution Control Laboratory, Department of Chemistry, Aristotle University of Thessaloniki, GR, 54124, Thessaloniki, Greece
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Degrendele C, Kanduč T, Kocman D, Lammel G, Cambelová A, Dos Santos SG, Horvat M, Kukučka P, Holubová Šmejkalová A, Mikeš O, Nuñez-Corcuera B, Přibylová P, Prokeš R, Saňka O, Maggos T, Sarigiannis D, Klánová J. NPAHs and OPAHs in the atmosphere of two central European cities: Seasonality, urban-to-background gradients, cancer risks and gas-to-particle partitioning. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 793:148528. [PMID: 34328964 PMCID: PMC8434474 DOI: 10.1016/j.scitotenv.2021.148528] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/07/2021] [Revised: 05/28/2021] [Accepted: 06/14/2021] [Indexed: 05/24/2023]
Abstract
Derivatives of polycyclic aromatic hydrocarbons (PAHs) such as nitrated- and oxygenated-PAHs (NPAHs and OPAHs) could be even more toxic and harmful for the environment and humans than PAHs. We assessed the spatial and seasonal variations of NPAHs and OPAHs atmospheric levels, their cancer risks and their gas-to-particle partitioning. To this end, about 250 samples of fine particulate matter (PM2.5) and 50 gaseous samples were collected in 2017 in central Europe in the cities of Brno and Ljubljana (two traffic and two urban background sites) as well as one rural site. The average particulate concentrations were ranging from below limit of quantification to 593 pg m-3 for Σ9NPAHs and from 1.64 to 4330 pg m-3 for Σ11OPAHs, with significantly higher concentrations in winter compared to summer. In winter, the particulate levels of NPAHs and OPAHs were higher at the traffic site compared to the urban background site in Brno while the opposite was found in Ljubljana. NPAHs and OPAHs particulate levels were influenced by the meteorological parameters and co-varied with several air pollutants. The significance of secondary formation on the occurrence of some NPAHs and OPAHs is indicated. In winter, 27-47% of samples collected at all sites were above the acceptable lifetime carcinogenic risk. The gas-particle partitioning of NPAHs and OPAHs was influenced by their physico-chemical properties, the season and the site-specific aerosol composition. Three NPAHs and five OPAHs had higher particulate mass fractions at the traffic site, suggesting they could be primarily emitted as particles from vehicle traffic and subsequently partitioning to the gas phase along air transport. This study underlines the importance of inclusion of the gas phase in addition to the particulate phase when assessing the atmospheric fate of polycyclic aromatic compounds and also when assessing the related health risk.
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Affiliation(s)
| | - Tjaša Kanduč
- Department of Environmental Sciences, Jožef Stefan Institute, Slovenia
| | - David Kocman
- Department of Environmental Sciences, Jožef Stefan Institute, Slovenia
| | | | | | - Saul Garcia Dos Santos
- Área de Contaminación Atmosférica, Centro Nacional de Sanidad Ambiental Instituto de Salud Carlos III, Spain
| | - Milena Horvat
- Department of Environmental Sciences, Jožef Stefan Institute, Slovenia
| | - Petr Kukučka
- RECETOX Centre, Masaryk University, Czech Republic
| | | | - Ondřej Mikeš
- RECETOX Centre, Masaryk University, Czech Republic
| | - Beatriz Nuñez-Corcuera
- Área de Contaminación Atmosférica, Centro Nacional de Sanidad Ambiental Instituto de Salud Carlos III, Spain
| | | | - Roman Prokeš
- RECETOX Centre, Masaryk University, Czech Republic
| | - Ondřej Saňka
- RECETOX Centre, Masaryk University, Czech Republic
| | - Thomas Maggos
- Atmospheric Chemistry & Innovative Technologies Laboratory, NCSR "Demokritos", Greece
| | - Denis Sarigiannis
- Environmental Engineering Laboratory, Department of Chemical Engineering, Aristotle University of Thessaloniki, Thessaloniki, Greece; HERACLES Research Centre on the Exposome and Health, Center for Interdisciplinary Research and Innovation, Thessaloniki, Greece; University School of Advanced Study, Pavia, Italy
| | - Jana Klánová
- RECETOX Centre, Masaryk University, Czech Republic
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10
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Karageorgou K, Manoli E, Kouras A, Samara C. Commuter exposure to particle-bound polycyclic aromatic hydrocarbons in Thessaloniki, Greece. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:59119-59130. [PMID: 32506397 DOI: 10.1007/s11356-020-09475-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/23/2020] [Accepted: 05/26/2020] [Indexed: 06/11/2023]
Abstract
Commuters are exposed to high air pollution levels daily, especially in areas with dense traffic. This study examines the commuter's exposure to polycyclic aromatic hydrocarbons (PAHs) in the city of Thessaloniki, Greece, under three different commuting modes: biking, travelling by private car, and riding public transportation means (buses). The study was carried out from 2015 to 2018 including 43 volunteers (15 cyclists, 17 car drivers/passengers, and 11 bus passengers). The personal exposure concentrations to particles smaller than 4-μm aerodynamic diameter (PM4), constituting the respirable fraction of total airborne particles, and the associated PAHs were assessed for each commuting mode during the cold and the warm period of the year. Whereas the exposure of bus and car passengers to in-cabin PM4 were higher in the cold season, the exposure of cyclists exhibited the opposite seasonality. In all commuting modes, exposure to PAHs was higher in the cold season. In both seasons, exposure concentration followed the order: cyclists > bus passengers > car passengers. The carcinogenic and mutagenic potencies of the exposure PAH concentrations were calculated using Benzo[a]pyrene (BaP) carcinogenic and mutagenic equivalency factors. The inhalation cancer risk (ICR) associated to PAHs was further estimated and compared between the different commuting modes. Our data can provide relevant information for transport decision-making and increase environmental awareness for a more rational approach to urban travelling.
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Affiliation(s)
- Konstadina Karageorgou
- Environmental Pollution Control Laboratory, Department of Chemistry, Aristotle University of Thessaloniki, GR-541 24, Thessaloniki, Greece
| | - Evangelia Manoli
- Environmental Pollution Control Laboratory, Department of Chemistry, Aristotle University of Thessaloniki, GR-541 24, Thessaloniki, Greece.
| | - Athanasios Kouras
- Environmental Pollution Control Laboratory, Department of Chemistry, Aristotle University of Thessaloniki, GR-541 24, Thessaloniki, Greece
| | - Constantini Samara
- Environmental Pollution Control Laboratory, Department of Chemistry, Aristotle University of Thessaloniki, GR-541 24, Thessaloniki, Greece
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11
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Famiyeh L, Chen K, Xu J, Sun Y, Guo Q, Wang C, Lv J, Tang YT, Yu H, Snape C, He J. A review on analysis methods, source identification, and cancer risk evaluation of atmospheric polycyclic aromatic hydrocarbons. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 789:147741. [PMID: 34058584 DOI: 10.1016/j.scitotenv.2021.147741] [Citation(s) in RCA: 48] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/27/2021] [Revised: 05/06/2021] [Accepted: 05/09/2021] [Indexed: 06/12/2023]
Abstract
Polycyclic aromatic hydrocarbons (PAHs) have gained attention because of their environmental persistence and effects on ecosystems, animals, and human health. They are mutagenic, carcinogenic, and teratogenic. The review provides background knowledge about their sources, metabolism, temporal variations, and size distribution in atmospheric particulate matter. The review article briefly discusses the analytical methods suitable for the extraction, characterization, and quantification of nonpolar and polar PAHs, addressing the challenges. Herein, we discussed the molecular diagnostic ratios (DRs), stable carbon isotopic analysis (SCIA), and receptor models, with much emphasis on the positive matrix factorization (PMF) model, for apportioning PAH sources. Among which, DRs and PCA identified as the most widely employed method, but their accuracy for PAH source identification has received global criticism. Therefore, the review recommends compound-specific isotopic analysis (CSIA) and PMF as the best alternative methods to provide detailed qualitative and quantitative source analysis. The compound-specific isotopic signatures are not affected by environmental degradation and are considered promising for apportioning PAH sources. However, isotopic fractions of co-eluted compounds like polar PAHs and aliphatic hydrocarbons make the PAHs isotopic fractions interpretation difficult. The interference of unresolved complex mixtures is a limitation to the application of CSIA for PAH source apportionment. Hence, for CSIA to further support PAH source apportionment, fast and cost-effective purification techniques with no isotopic fractionation effects are highly desirable. The present review explains the concept of stable carbon isotopic analysis (SCIA) relevant to PAH source analysis, identifying the techniques suitable for sample extract purification. We demonstrate how the source apportioned PAHs can be applied in assessing the health risk of PAHs using the incremental lifetime cancer risk (ILCR) model, and in doing so, we identify the key factors that could undermine the accuracy of the ILCR and research gaps that need further investigation.
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Affiliation(s)
- Lord Famiyeh
- Center for Environmental Remediation, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China; Department of Chemical and Environmental Engineering, University of Nottingham Ningbo China, 199 Taikang E Rd, Ningbo 315100, China
| | - Ke Chen
- Department of Chemical and Environmental Engineering, University of Nottingham Ningbo China, 199 Taikang E Rd, Ningbo 315100, China
| | - Jingsha Xu
- School of Geography, Earth and Environmental Sciences, University of Birmingham, Edgbaston, Birmingham B15 2TT, United Kingdom
| | - Yong Sun
- Department of Chemical and Environmental Engineering, University of Nottingham Ningbo China, 199 Taikang E Rd, Ningbo 315100, China
| | - Qingjun Guo
- Center for Environmental Remediation, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China.
| | - Chengjun Wang
- College of Resources and Environmental Science, South-Central University of Nationalities, Wuhan 430074, China
| | - Jungang Lv
- Procuratoral Technology and Information Research Center, Supreme People's Procuratorate, Beijing 100144, China
| | - Yu-Ting Tang
- Department of Geographical Sciences, University of Nottingham Ningbo China, 199 Taikang E Rd, Ningbo 315100, China
| | - Huan Yu
- Department of Atmospheric Science, School of Environmental Studies, China University of Geosciences, Wuhan 430074, China
| | - Collin Snape
- Department of Chemical and Environmental Engineering, University of Nottingham, University Park, Nottingham NG7 2RD, UK
| | - Jun He
- Department of Chemical and Environmental Engineering, University of Nottingham Ningbo China, 199 Taikang E Rd, Ningbo 315100, China; Key Laboratory of Carbonaceous Wastes Processing and Process Intensification Research of Zhejiang Province. University of Nottingham Ningbo China, Ningbo 315100, China.
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12
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Niu X, Jones T, BéruBé K, Chuang HC, Sun J, Ho KF. The oxidative capacity of indoor source combustion derived particulate matter and resulting respiratory toxicity. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 767:144391. [PMID: 33429274 DOI: 10.1016/j.scitotenv.2020.144391] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/21/2020] [Revised: 11/27/2020] [Accepted: 12/01/2020] [Indexed: 06/12/2023]
Abstract
Indoor air pollution sources with emissions of fine particles (PM2.5), including environmental tobacco smoke (ETS) and incense smoke (IS) deteriorate indoor air quality and may cause respiratory diseases in humans. This study characterized the emission factors (EFs) of five types of tobacco and incense in Hong Kong using an environmental chamber. Human alveolar epithelial cells (A549) were exposed to PM2.5 collected from different indoor sources to determine their cytotoxicity. The PM2.5 EF of ETS (109.7±36.5 mg/g) was higher than IS (97.1±87.3 mg/g). The EFs of total polycyclic aromatic hydrocarbons (PAHs) and carbonyls for IS were higher than ETS, and these two combustion sources showed similar distributions of individual PAHs and carbonyls. Oxidative damage and inflammatory responses (i.e. DNA damage, 8-hydroxy-desoxyguanosine (8-OHdG), tumor necrosis factor-α (TNF-α) and interlukin-6 (IL-6)) of A549 cells was triggered by exposure to PM2.5 generated from ETS and IS. Different indoor sources showed different responses to oxidative stress and inflammations due to the accumulation effects of mixed organic compounds. High molecular weight PAHs from incense combustion showed higher correlations with DNA damage markers, and most of the PAHs from indoor sources demonstrated significant correlations with inflammation. Exposure to anthropogenic produced combustion emissions such as ETS and IS results in significant risks (e.g. lung cancer) to the alveolar epithelium within the distal human respiratory tract, of which incense emissions posed a higher cytotoxicity.
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Affiliation(s)
- Xinyi Niu
- School of Human Settlements and Civil Engineering, Xi'an Jiaotong University, Xi'an 710049, China
| | - Tim Jones
- School of Earth and Ocean Sciences, Cardiff University, Museum Avenue, Cardiff CF10 3YE, UK
| | - Kelly BéruBé
- School of Biosciences, Cardiff University, Museum Avenue, Cardiff CF10 3US, UK
| | - Hsiao-Chi Chuang
- School of Respiratory Therapy, College of Medicine, Taipei Medical University, Taipei, Taiwan
| | - Jian Sun
- Department of Environmental Science and Engineering, Xi'an Jiaotong University, Xi'an, 710049, China
| | - Kin Fai Ho
- The Jockey Club School of Public Health and Primary Care, The Chinese University of Hong Kong, Hong Kong, China.
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13
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Xue Z, Gao X, Yu W, Zhang Q, Song W, Li S, Zheng X, Kou X. Biochanin A alleviates oxidative damage caused by the urban particulate matter. Food Funct 2021; 12:1958-1972. [PMID: 33496707 DOI: 10.1039/d0fo02582h] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Urban particulate matter (UPM), an air pollutant-absorbing toxic substance, can access alveoli, leading to pulmonary diseases. Studies have shown that the water-soluble components of UPM (WS-UPM), containing main toxic substances, can induce oxidative damage in lung cells. In this study, the UPM particle size and composition were detected via instrumental analysis. The isoflavones (biochanin A (BCA), formononetin and daidzein) from chickpeas possess biological antioxidant properties. The present study aimed to investigate the mechanism of the oxidative damage induced by WS-UPM, and the protective role of isoflavones in human alveolar basal epithelial cells. The antioxidant activity of BCA, formononetin and daidzein was investigated through the total reduction capacity, diphenylpicrylhydrazine radical (DPPH), superoxide radical, and hydroxyl radical scavenging capacity detection. We also established cell models in vitro to further explore the BCA-protective mechanism. BCA presented a significant protection, and increased the levels of antioxidant makers including superoxide dismutase (SOD), catalase (CAT), and glutathione (GSH). The effects were also reflected as the reduction of malondialdehyde (MDA) and nitric oxide (NO). Moreover, results obtained from RT-PCR and western blot techniques revealed that MEK5/ERK5 played an indispensable role in regulating the antioxidant effect of BCA, alleviating WS-UPM-induced lung injury. Furthermore, BCA mitigated WS-UPM-exposed damage through upregulating the Nrf2 signaling pathway to enhance the antioxidase expression downstream of Nrf2. In summary, our findings indicated that the WS-UPM-induced pulmonary disease was involved in oxidative stress and the MEK5/ERK5-Nrf2 signaling pathway, and BCA regulated the WS-UPM-induced lung damage via upregulation of the MEK5/ERK5-Nrf2 pathway.
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Affiliation(s)
- Zhaohui Xue
- School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China.
| | - Xin Gao
- School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China.
| | - Wancong Yu
- Biotechnology Research Institute, Tianjin Academy of Agricultural Sciences, Tianjin 300384, China
| | - Qian Zhang
- School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China.
| | - Weichen Song
- School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China.
| | - Shihao Li
- School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China.
| | - Xu Zheng
- School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China.
| | - Xiaohong Kou
- School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China.
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14
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Voliotis A, Bezantakos S, Besis A, Shao Y, Samara C. Mass dose rates of particle-bound organic pollutants in the human respiratory tract: Implications for inhalation exposure and risk estimations. Int J Hyg Environ Health 2021; 234:113710. [PMID: 33618174 DOI: 10.1016/j.ijheh.2021.113710] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2020] [Revised: 01/29/2021] [Accepted: 02/04/2021] [Indexed: 11/18/2022]
Abstract
To date, little is known about the effective doses of airborne particulate matter (PM) and PM-bound hazardous organic components to the human respiratory tract (HRT). In the light of this, here we provide particle mass dose rates (dose per hour of exposure) of PM and a suite of PM-bound hazardous organic compounds in the HRT for two population age groups (adults & children). More specifically, the mass dose rates of PM and PM-bound polycyclic aromatic hydrocarbons (PAHs), nitrated-PAH (NPAHs), polychlorinated biphenyls (PCBs), organochlorine pesticides (OCPs) and polybrominated diphenyl ethers (PBDEs) were estimated at two urban sites using a multiple path particle dosimetry model. We find that, in most cases, the total mass doses are following similar variations across sites and seasons as their ambient total concentrations, however their distribution in the HRT is a function of the particle size distributions and the physiological parameters of each age group. More specifically, the majority of the deposited mass of PM and all the chemical components investigated was accumulated in the upper airways instead of the lungs. We further show that children, due to their different physiology, are more susceptible and receive larger fraction of the total mass doses in the deepest parts of the lungs compared to the adults' group. Comparing the traditional method for estimating the inhalation risk, which is based on the ambient concentration of pollutants, and a modified version using the mass dose in the HRT, we find that the former may overestimate the reported risks. The results presented here provide a novel dataset composed by previously undetermined doses of hazardous airborne particulate organic components in the HRT and demonstrate that alternative health risk estimation approaches may capture some variabilities that are traditionally overlooked.
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Affiliation(s)
- Aristeidis Voliotis
- Department of Chemistry, Environmental Pollution Control Laboratory, Aristotle University of Thessaloniki, 54124, Thessaloniki, Greece; Centre for Atmospheric Science, Department of Earth and Environmental Sciences, The University of Manchester, M139PL, Manchester, United Kingdom.
| | - Spyridon Bezantakos
- Advanced Integrated Technology Solutions and Services (ADITESS) LTD, Nicosia, 2064, Cyprus; Energy Environment and Water Research Center, The Cyprus Institute, Nicosia, 1645, Cyprus
| | - Athanasios Besis
- Department of Chemistry, Environmental Pollution Control Laboratory, Aristotle University of Thessaloniki, 54124, Thessaloniki, Greece
| | - Yunqi Shao
- Centre for Atmospheric Science, Department of Earth and Environmental Sciences, The University of Manchester, M139PL, Manchester, United Kingdom
| | - Constantini Samara
- Department of Chemistry, Environmental Pollution Control Laboratory, Aristotle University of Thessaloniki, 54124, Thessaloniki, Greece.
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15
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Kogianni E, Samara C, Lialiaris T. Genotoxicity induced in vitro by water-soluble indoor PM 2.5 fractions in relation to heavy metal concentrations. ENVIRONMENTAL MONITORING AND ASSESSMENT 2021; 193:82. [PMID: 33486539 DOI: 10.1007/s10661-021-08884-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/24/2020] [Accepted: 01/17/2021] [Indexed: 06/12/2023]
Abstract
The aim of the present study was to examine the genotoxicity induced by water-soluble fractions of particulate matter (PM) and its potential relation with heavy metals. For this purpose, the genotoxicity induced on human peripheral lymphocytes by water-soluble PM2.5 (particles with aerodynamic diameter ≤ 2.5 μm) collected from the indoor air of various workplaces in Greece (n = 20), was examined by the Sister Chromatid Exchange (SCE) induction assay and assessed in relation to the concentrations of the heavy metals Cu, Pb, Mn, Ni, Co, Zn, Cr, and Cd. The number of SCEs per metaphase (SCEs/metaphase), as an indicator of genotoxicity, the proliferation rate index (PRI), as an indicator of cytostaticity, and the mitotic index (MI), as an indicator of cytotoxicity, were measured and assessed in three water-soluble fractions of PM2.5: the total water-soluble fraction WSA (filtered through 0.45 μm), the dissolved fraction WSB (filtered through 0.22 μm), and the non-chelexed dissolved fraction WSC (filtered through Chelex-100 resin). Results showed statistically significant number of SCEs/metaphase in all water-soluble PM2.5 fractions in relation to the control with large variabilities across the workplaces as a result of variations in indoor conditions, sources, and/or activities. The concentrations of genotoxicity were evaluated in terms of mass-normalized genotoxicity (SCEs/mg PM2.5), that represents the genotoxic potency of particles, and air volume-normalized genotoxicity (SCEs/m3 air), that reflects the inhalation risk for people working or spending much time in these microenvironments. Correlation and linear regression analyses were further employed in order to investigate the potential relationships between genotoxicity and the water-soluble concentrations of PM2.5-bounded heavy metals. According to the results, the highest mass-normalized genotoxicity values were found for PM2.5 from the photocopying center, whereas the highest air volume-normalized genotoxicity was found in tavern-2. Significant positive correlations between the genotoxicity and water-soluble metals were derived, highlighting the role that heavy metals play in the genotoxicity of indoor PM2.5. Among the targeted metals, Zn and Pb were found to be good predictors of the genotoxicity of water-soluble PM2.5.
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Affiliation(s)
- E Kogianni
- Environmental Pollution Control Laboratory, Department of Chemistry, Aristotle University of Thessaloniki, 54124, Thessaloniki, Greece.
| | - C Samara
- Environmental Pollution Control Laboratory, Department of Chemistry, Aristotle University of Thessaloniki, 54124, Thessaloniki, Greece
| | - Th Lialiaris
- Department of Genetics, Faculty of Medicine, Democritus University of Thrace, 68100, Alexandroupolis, Greece
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16
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Zhang L, Yang L, Zhou Q, Zhang X, Xing W, Wei Y, Hu M, Zhao L, Toriba A, Hayakawa K, Tang N. Size distribution of particulate polycyclic aromatic hydrocarbons in fresh combustion smoke and ambient air: A review. J Environ Sci (China) 2020; 88:370-384. [PMID: 31862078 DOI: 10.1016/j.jes.2019.09.007] [Citation(s) in RCA: 62] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2019] [Revised: 09/04/2019] [Accepted: 09/09/2019] [Indexed: 06/10/2023]
Abstract
Polycyclic aromatic hydrocarbons (PAHs) are ubiquitous in the atmosphere and they mostly stem from the imperfect combustion of fossil fuels and biofuels. PAHs are inherently associated with homogenous fine particles or distributed to different-sized particles during the aging of air masses. PAHs carried by fine particles undergo a long-range transport to remote areas while those adsorbed on coarse particles have a shorter lifetime in ambient air. More importantly, PAHs with higher molecular weights tend to be bound with finer particles and can deeply enter the lungs, posing severe health risks to humans. Thus, the environmental fate and health effects of particulate PAHs are strongly size-dependent. This review summarizes the size distributions of particulate PAHs freshly emitted from combustion sources as well as the distribution patterns of PAHs in ambient particles. It was found that PAHs from stationary sources are primarily bound to fine particles, which are slightly larger than particles to which PAHs from mobile sources are bound. In ambient air, particulate PAHs are distributed in larger size modes than those in the combustion fume, and the particle size decreases with PAH molecular weight increasing. The relevant mechanisms and influencing factors of particle size distribution changes are illustrated in this article, which are essentially attributed to combustion and ambient temperature as well as the physical and chemical properties of PAHs. Overall, the study on the particle size distribution of PAHs will contribute for a full understanding of the origin, atmospheric behaviors and health effects of particulate PAHs.
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Affiliation(s)
- Lulu Zhang
- Graduate School of Medical Sciences, Kanazawa University, Kakuma-machi, Kanazawa 920-1192, Japan
| | - Lu Yang
- Graduate School of Medical Sciences, Kanazawa University, Kakuma-machi, Kanazawa 920-1192, Japan
| | - Quanyu Zhou
- Graduate School of Medical Sciences, Kanazawa University, Kakuma-machi, Kanazawa 920-1192, Japan
| | - Xuan Zhang
- Graduate School of Medical Sciences, Kanazawa University, Kakuma-machi, Kanazawa 920-1192, Japan
| | - Wanli Xing
- Graduate School of Medical Sciences, Kanazawa University, Kakuma-machi, Kanazawa 920-1192, Japan
| | - Yongjie Wei
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environment Sciences, Beijing 100012, China
| | - Min Hu
- State Key Joint Laboratory of Environmental Simulation and Pollution Control, College of Environmental Sciences and Engineering, Peking University, Beijing 100871, China
| | - Lixia Zhao
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
| | - Akira Toriba
- Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa University, Kakuma-machi, Kanazawa 920-1192, Japan
| | - Kazuichi Hayakawa
- Institute of Nature and Environmental Technology, Kanazawa University, Kakuma-machi, Kanazawa 920-1192, Japan
| | - Ning Tang
- Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa University, Kakuma-machi, Kanazawa 920-1192, Japan; Institute of Nature and Environmental Technology, Kanazawa University, Kakuma-machi, Kanazawa 920-1192, Japan.
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17
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Velali E, Pantazaki A, Besis A, Choli-Papadopoulou T, Samara C. Oxidative stress, DNA damage, and mutagenicity induced by the extractable organic matter of airborne particulates on bacterial models. Regul Toxicol Pharmacol 2019; 104:59-73. [PMID: 30872015 DOI: 10.1016/j.yrtph.2019.03.004] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2018] [Revised: 03/04/2019] [Accepted: 03/07/2019] [Indexed: 01/24/2023]
Abstract
The biological activity induced by the extractable organic matter (EOM) of size-segregated airborne Particulate Matter (PM) from two urban sites, urban traffic (UT) and urban background (UB), was assessed by using bacterial assays. The Gram-negative Escherichia coli (E. coli) coliform bacterium was used to measure the intracellular formation of Reactive Oxygen Species (ROS) by employing the Nitroblue tetrazolium (NBT) reduction assay and the lipid peroxidation by malondialdehyde (MDA) measurement. To the best of our knowledge, this is the first study using E. coli for assessing the bioactivity of ambient air in term of oxidative mechanism studies. E. coli BL21 cells were further used for DNA damage assessment by employing the reporter (β-galactosidase) gene expression assay. The bacterial strain S. typhimurium TA100 was used to assess the mutagenic potential of PM by employing the well-known mutation assay (Ames test). Four PM size fractions were assessed for bioactivity, specifically the quasi-ultrafine mode (<0.49 μm), the upper accumulation mode (0.49-0.97 μm), the upper fine mode (0.97-3 μm), and the coarse mode (>3.0 μm). The EOM of each PM sample included three organic fractions of successively increased polarity: the non-polar organic fraction (NPOF), the moderately polar organic fraction (MPOF), and the polar organic fraction (POF). The toxicological endpoints induced by each organic fraction were correlated with the concentrations of various organic chemical components determined in previous studies in an attempt to identify the chemical classes involved.
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Affiliation(s)
- Ekaterini Velali
- Laboratory of Biochemistry, Department of Chemistry, Aristotle University of Thessaloniki, GR-54124, Thessaloniki, Greece
| | - Anastasia Pantazaki
- Laboratory of Biochemistry, Department of Chemistry, Aristotle University of Thessaloniki, GR-54124, Thessaloniki, Greece.
| | - Athanasios Besis
- Environmental Pollution Control Laboratory, Department of Chemistry, Aristotle University of Thessaloniki, GR-54124, Thessaloniki, Greece
| | - Theodora Choli-Papadopoulou
- Laboratory of Biochemistry, Department of Chemistry, Aristotle University of Thessaloniki, GR-54124, Thessaloniki, Greece
| | - Constantini Samara
- Environmental Pollution Control Laboratory, Department of Chemistry, Aristotle University of Thessaloniki, GR-54124, Thessaloniki, Greece.
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Velali E, Papachristou E, Pantazaki A, Besis A, Samara C, Labrianidis C, Lialiaris T. In vitro cellular toxicity induced by extractable organic fractions of particles exhausted from urban combustion sources - Role of PAHs. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2018; 243:1166-1176. [PMID: 30266006 DOI: 10.1016/j.envpol.2018.09.075] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/12/2018] [Revised: 09/05/2018] [Accepted: 09/15/2018] [Indexed: 05/26/2023]
Abstract
The bioactivity of the extractable organic matter (EOM) of particulate matter (PM) exhausted from major urban combustion sources, including residential heating installations (wood-burning fireplace and oil-fired boiler) and vehicular exhaust from gasoline and diesel cars), was investigated in vitro by employing multiple complementary cellular and bacterial assays. Cytotoxic responses were investigated by applying the MTT ((3-(4, 5-dimethylthiazolyl-2)-2, 5-diphenyltetrazolium bromide)) bioassay and the lactate dehydrogenase (LDH) release bioassay on human lung cells (MRC-5). Sister Chromatids Exchange (SCE) genotoxicity was measured on human peripheral lymphocytes. Lipid peroxidation potential via reactive oxygen species (ROS) was evaluated on E. coli bacterial cells by measuring the malondialdehyde (MDA) end product. Furthermore, the DNA damage induced by the organic PM fractions was evaluated by the reporter (β-galactosidase) gene expression assay in the bacterial cells, and, by examining the fragmentation of chromosomal DNA on agarose gel electrophoresis. The correlations between the source PM-induced biological endpoints and the PM content in polycyclic aromatic hydrocarbons (PAHs), as typical molecular markers of combustion, were investigated. Fireplace wood smoke particles exhibited by far the highest content in total and carcinogenic PAHs followed by oil boilers, diesel and gasoline emissions. However, in all bioassays, the total EOM-induced toxicity, normalized to PM mass, was highest for diesel cars equipped with Diesel Particle Filter (DPF). No correlation between the toxicological endpoints and the PAHs content was observed suggesting that cytotoxicity and genotoxicity are probably driven by other extractable organic compounds than the commonly measured unsubstituted PAHs. Clearly, further research is needed to elucidate the role of PAHs in the biological effects induced by both, combustion emissions, and ambient air particles.
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Affiliation(s)
- Ekaterini Velali
- Laboratory of Biochemistry, Department of Chemistry, Aristotle University of Thessaloniki, GR-54124, Thessaloniki, Greece
| | - Eleni Papachristou
- Laboratory of Biochemistry, Department of Chemistry, Aristotle University of Thessaloniki, GR-54124, Thessaloniki, Greece
| | - Anastasia Pantazaki
- Laboratory of Biochemistry, Department of Chemistry, Aristotle University of Thessaloniki, GR-54124, Thessaloniki, Greece
| | - Athanasios Besis
- Environmental Pollution Control Laboratory, Department of Chemistry, Aristotle University of Thessaloniki, GR-54124, Thessaloniki, Greece
| | - Constantini Samara
- Environmental Pollution Control Laboratory, Department of Chemistry, Aristotle University of Thessaloniki, GR-54124, Thessaloniki, Greece.
| | - Christos Labrianidis
- Department of Genetics, Faculty of Medicine, Demokrition University of Thrace, GR-68100, Alexandroupolis, Greece
| | - Theodore Lialiaris
- Department of Genetics, Faculty of Medicine, Demokrition University of Thrace, GR-68100, Alexandroupolis, Greece
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Senthil Kumar S, Muthuselvam P, Pugalenthi V, Subramanian N, Ramkumar KM, Suresh T, Suzuki T, Rajaguru P. Toxicoproteomic analysis of human lung epithelial cells exposed to steel industry ambient particulate matter (PM) reveals possible mechanism of PM related carcinogenesis. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2018; 239:483-492. [PMID: 29684875 DOI: 10.1016/j.envpol.2018.04.049] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/11/2018] [Revised: 03/25/2018] [Accepted: 04/09/2018] [Indexed: 06/08/2023]
Abstract
Toxicoproteomic analysis of steel industry ambient particulate matter (PM) that contain high concentrations of PAHs and metals was done by treating human lung cancer cell-line, A549 and the cell lysates were analysed using quantitative label-free nano LC-MS/MS. A total of 18,562 peptides representing 1576 proteins were identified and quantified, with 196 proteins had significantly altered expression in the treated cells. Enrichment analyses revealed that proteins associated to redox homeostsis, metabolism, and cellular energy generation were inhibited while, proteins related to DNA damage and repair and other stresses were over expressed. Altered activities of several tumor associated proteins were observed. Protein-protein interaction network and biological pathway analysis of these differentially expressed proteins were carried out to obtain a systems level view of proteome changes. Together it could be inferred that PM exposure induced oxidative stress which could have lead into DNA damage and tumor related changes. However, lowering of cellular metabolism, and energy production could reduce its ability to overcome these stress. This kind of disequilibrium between the DNA damage and ability of the cells to repair the DNA damage may lead into genomic instability that is capable of acting as the driving force during PM induced carcinogenesis.
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Affiliation(s)
- S Senthil Kumar
- Bharathidasan Institute of Technology, Anna University, Tiruchirappalli, 620024, Tamil Nadu, India
| | - P Muthuselvam
- Bharathidasan Institute of Technology, Anna University, Tiruchirappalli, 620024, Tamil Nadu, India
| | - V Pugalenthi
- Bharathidasan Institute of Technology, Anna University, Tiruchirappalli, 620024, Tamil Nadu, India
| | - N Subramanian
- Bharathidasan Institute of Technology, Anna University, Tiruchirappalli, 620024, Tamil Nadu, India
| | - K M Ramkumar
- SRM Research Institute, SRM University, Kattankulathur, 603203, Tamil Nadu, India
| | - T Suresh
- Division of Molecular Target and Gene Therapy Products, National Institute of Health Sciences, Tokyo, 250-9501, Japan
| | - T Suzuki
- Division of Molecular Target and Gene Therapy Products, National Institute of Health Sciences, Tokyo, 250-9501, Japan
| | - P Rajaguru
- Bharathidasan Institute of Technology, Anna University, Tiruchirappalli, 620024, Tamil Nadu, India.
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Pantelaki I, Papatzelou A, Balla D, Papageorgiou A, Voutsa D. Characterization of dissolved organic carbon in rainwater of an urban/coastal site in Mediterranean area. THE SCIENCE OF THE TOTAL ENVIRONMENT 2018; 627:1433-1441. [PMID: 30857105 DOI: 10.1016/j.scitotenv.2018.01.339] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/18/2017] [Revised: 01/24/2018] [Accepted: 01/31/2018] [Indexed: 06/09/2023]
Abstract
Concentration and optical characteristics of dissolved organic matter were studied in rainwater in the urban/coastal city of Thessaloniki, Northern Greece for 2-yr sampling period (2014-2016). The concentration of DOC ranged from 0.33-24.5mg/L with higher values measured in spring-summer period. Higher aromaticity and fluorescence intensity was observed in winter. Chromophoric organic matter represents a significant fraction of DOC that is highly correlated with fluorescence during cold period. Three factor spectral profiles of fluorescence were elucidated, with peaks at protein-like and humic-like area at different intensities. Fluorophores at shorter wavelengths are more susceptible to changes. DOC showed negative relationship with precipitation height, particularly during autumn and spring suggesting washout effect. NMR spectra showed the dominance of aliphatic protons in rainwater. Levoglucosan, sucrose and arabitol were determined in rainwater at concentrations <0.07-2.2μg/L, <0.03-5.1μg/L and <0.03-2.1μg/L, respectively showing impact of biomass combustion and biogenic emissions.
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Affiliation(s)
- I Pantelaki
- Environmental Pollution Control Laboratory, Department of Chemistry, Aristotle University of Thessaloniki, 541 24 Thessaloniki, Greece
| | - A Papatzelou
- Environmental Pollution Control Laboratory, Department of Chemistry, Aristotle University of Thessaloniki, 541 24 Thessaloniki, Greece
| | - D Balla
- Environmental Pollution Control Laboratory, Department of Chemistry, Aristotle University of Thessaloniki, 541 24 Thessaloniki, Greece
| | - A Papageorgiou
- Environmental Pollution Control Laboratory, Department of Chemistry, Aristotle University of Thessaloniki, 541 24 Thessaloniki, Greece
| | - D Voutsa
- Environmental Pollution Control Laboratory, Department of Chemistry, Aristotle University of Thessaloniki, 541 24 Thessaloniki, Greece.
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21
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Balla D, Voutsa D, Samara C. Study of polar organic compounds in airborne particulate matter of a coastal urban city. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2018; 25:12191-12205. [PMID: 28887799 DOI: 10.1007/s11356-017-9993-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/13/2017] [Accepted: 08/22/2017] [Indexed: 06/07/2023]
Abstract
Two classes of polar organic compounds, dicarboxylic acids (DCAs) and sugars/sugar anhydrides (S/SAs), were measured in airborne particulate matter in the area of Thessaloniki, northern Greece. The target compounds were measured simultaneously in two particle fractions PM10 and PM2.5 during cold and warm periods by employing extraction in an ultrasonic bath with a mixture of MeOH/DCM (1:2 v/v), derivatization with BSTFA-TMCS and GC-MS for analysis. At both fractions, phthalic was the predominant carboxylic acid during cold season and a-ketoglutaric acid in warm season, followed by maleic and malic. Levoglucosan was the dominant sugar anhydride during the cold and arabitol during the warm season. In total, the distribution of DCAs seemed to favor the PM2.5 particle fraction, probably due to anthropogenic emissions and photochemical formation. The relative contribution of DCAs to PM2.5 fraction was 0.9-3.2% in cold and 0.9-7.0% in warm period. Regarding S/SAs, levoglucosan was also predominantly distributed in fine particles, with relative contribution to this fraction 0.1-6.3% in cold and <0.65% in warm season, suggesting impact of biomass burning emissions. In contrast, arabitol, fructose, and glucose were mainly found in coarse fraction, possibly due to their biogenic origin. Negative correlation of target compounds with temperature and total solar radiation suggested the contribution of seasonal dependant local sources. Positive relationship with NO and NO2 oxidants and relative humidity showed secondary formation of polar compounds or enhanced gas-to-particle conversion.
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Affiliation(s)
- Dimitra Balla
- Environmental Pollution Control Laboratory, Department of Chemistry, Aristotle University, 541 24, Thessaloniki, Greece.
| | - Dimitra Voutsa
- Environmental Pollution Control Laboratory, Department of Chemistry, Aristotle University, 541 24, Thessaloniki, Greece.
| | - Constantini Samara
- Environmental Pollution Control Laboratory, Department of Chemistry, Aristotle University, 541 24, Thessaloniki, Greece
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Wu Y, Guo Y, Song H, Liu W, Yang Y, Liu Y, Sang N, Zuo YY, Liu S. Oxygen content determines the bio-reactivity and toxicity profiles of carbon black particles. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2018; 150:207-214. [PMID: 29276956 DOI: 10.1016/j.ecoenv.2017.12.044] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/05/2017] [Revised: 12/15/2017] [Accepted: 12/20/2017] [Indexed: 05/05/2023]
Abstract
In spite of the considerable efforts invested to understand the environmental health and safety (EHS) impacts of ultrafine particles, such as the representative PM2.5, there are still significant knowledge gaps to be filled. No conclusive understandings have been obtained about the physicochemical determinants in accounting for differential adverse outcomes. Here we compared the cytotoxicity of four carbon black (CB) particles with similar physicochemical properties except for their oxygen contents (C824455 < C1864 < Printex U < SB4A). We found that these four CB particles manifested in vitro and in vivo cytotoxicity reversely related to their oxygen contents, namely a hierarchy of cytotoxicity: C824455 > C1864 > Printex U > SB4A. Among these CB particles, the most significant lung injury (e.g. collapses and inflammation) and macrophagic activation were found for C824455 and C1864, in particular for C824455. All these differences in toxicity profiles, including in vitro and in vivo cytotoxicity, pro-inflammatory effects and direct damages to the lung epithelia, should be (at least partially) ascribed to the oxygen content in these CB particles that in turn determined their transformation, i.e. the different aggregation states. Nonetheless, PM2.5 likewise caused severe in vivo and in vitro toxicities to the lung cells and macrophages. This study thus offers more insights into the structure-activity relationship (SAR) and opens a new avenue to elucidate the physicochemical determinants in evoking lung injuries by ultrafine airborne particles.
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Affiliation(s)
- Yakun Wu
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, PR China; University of Chinese Academy of Sciences, Beijing 100049, PR China
| | - Yifan Guo
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, PR China
| | - Haoyang Song
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, PR China
| | - Wei Liu
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, PR China; University of Chinese Academy of Sciences, Beijing 100049, PR China
| | - Yi Yang
- Department of Mechanical Engineering, University of Hawaii at Manoa, Honolulu, HI 96822, United States
| | - Yajun Liu
- Beijing Jishuitan Hospital, Peking University Health Science Center, Beijing 100035, PR China
| | - Nan Sang
- College of Environment and Resource, Research Center of Environment and Health, Shanxi University, Taiyuan, Shanxi 030006, PR China
| | - Yi Y Zuo
- Department of Mechanical Engineering, University of Hawaii at Manoa, Honolulu, HI 96822, United States
| | - Sijin Liu
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, PR China; University of Chinese Academy of Sciences, Beijing 100049, PR China.
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Wu M, Jiang Y, Liu M, Shang Y, An J. Amino-PAHs activated Nrf2/ARE anti-oxidative defense system and promoted inflammatory responses: the regulation of PI3K/Akt pathway. Toxicol Res (Camb) 2018; 7:465-472. [PMID: 30090596 DOI: 10.1039/c8tx00010g] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2018] [Accepted: 03/16/2018] [Indexed: 01/24/2023] Open
Abstract
The amino polycyclic aromatic hydrocarbons (amino-PAHs) were frequently detected in PM2.5, and it was suggested that they contributed to the harmful health effects associated with PM2.5. However, the process through which amino-PAHs induce oxidative stress responses as well as the pro-inflammatory processes along with the associated mechanisms is still not well-known. In this study, oxidative stress level, Nrf2/ARE anti-oxidative defense responses, oxidative damages and cytokine expressions were investigated in the A549 cell line after it was treated with typical airborne amino-PAHs including 1-aminopyrene (1-AP) and 3-aminofluoranthene (3-AF). The possibility of the phosphatidylinositol 3-kinase (PI3K)/protein kinase B (Akt) pathway participating in the regulation of cytokine gene expression was also considered, and the study was conducted accordingly. The results showed that 1-AP and 3-AF in a dose-dependent manner could cause extensive damages including cell apoptosis, cell cycle arrests, and DNA damages and could up-regulate the TNF-α gene expression. In addition, the Nr2/ARE defense system was activated, as evidenced by the increased protein expression levels and nuclear translocation of Nrf2. The Nrf2/ARE binding activity was elevated and was measured with the EMSA method. Also, the protein of heme oxygenase-1 (HO-1) was up-regulated. Finally, an increase in the protein expressions of the DNA-dependent protein kinase catalytic subunit (DNA-PKcs) and phosphorylation levels of Akt was observed, indicating that the PI3K/Akt pathway was activated. Furthermore, both LY294002 (an inhibitor of PI3K) and MK-2206 (an inhibitor of Akt) could significantly decrease the elevated TNF-α gene expressions, suggesting that the PI3K/Akt pathway was involved in the regulation of TNF-α expressions induced by 1-AP and 3-AF. Our results further confirmed that amino-PAHs could be a particularly important PAH derivatives contributing to the health risks caused by PM2.5.
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Affiliation(s)
- Meiying Wu
- School of Environmental and Chemical Engineering , Shanghai University , Shanghai 200444 , China . ; ; Tel: +86 21 66137734 ; Tel: +86 21 66137736
| | - Yuting Jiang
- School of Environmental and Chemical Engineering , Shanghai University , Shanghai 200444 , China . ; ; Tel: +86 21 66137734 ; Tel: +86 21 66137736
| | - Mingyuan Liu
- Department of Neurology , Changhai Hospital , Second Military Medical University , Shanghai 200433 , China
| | - Yu Shang
- School of Environmental and Chemical Engineering , Shanghai University , Shanghai 200444 , China . ; ; Tel: +86 21 66137734 ; Tel: +86 21 66137736
| | - Jing An
- School of Environmental and Chemical Engineering , Shanghai University , Shanghai 200444 , China . ; ; Tel: +86 21 66137734 ; Tel: +86 21 66137736
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On the Redox Activity of Urban Aerosol Particles: Implications for Size Distribution and Relationships with Organic Aerosol Components. ATMOSPHERE 2017. [DOI: 10.3390/atmos8100205] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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