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Amini H, Yousefian F, Faridi S, Andersen ZJ, Calas E, Castro A, Cervantes-Martínez K, Cole-Hunter T, Corso M, Dragic N, Evangelopoulos D, Gapp C, Hassanvand MS, Kim I, Le Tertre A, Medina S, Miller B, Montero S, Requia WJ, Riojas-Rodriguez H, Rojas-Rueda D, Samoli E, Texcalac-Sangrador JL, Yitshak-Sade M, Schwartz J, Kuenzli N, Spadaro JV, Krzyzanowski M, Mudu P. Two Decades of Air Pollution Health Risk Assessment: Insights From the Use of WHO's AirQ and AirQ+ Tools. Public Health Rev 2024; 45:1606969. [PMID: 38957684 PMCID: PMC11217191 DOI: 10.3389/phrs.2024.1606969] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2023] [Accepted: 05/22/2024] [Indexed: 07/04/2024] Open
Abstract
Objectives We evaluated studies that used the World Health Organization's (WHO) AirQ and AirQ+ tools for air pollution (AP) health risk assessment (HRA) and provided best practice suggestions for future assessments. Methods We performed a comprehensive review of studies using WHO's AirQ and AirQ+ tools, searching several databases for relevant articles, reports, and theses from inception to Dec 31, 2022. Results We identified 286 studies that met our criteria. The studies were conducted in 69 countries, with most (57%) in Iran, followed by Italy and India (∼8% each). We found that many studies inadequately report air pollution exposure data, its quality, and validity. The decisions concerning the analysed population size, health outcomes of interest, baseline incidence, concentration-response functions, relative risk values, and counterfactual values are often not justified, sufficiently. Many studies lack an uncertainty assessment. Conclusion Our review found a number of common shortcomings in the published assessments. We suggest better practices and urge future studies to focus on the quality of input data, its reporting, and associated uncertainties.
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Affiliation(s)
- Heresh Amini
- Department of Environmental Medicine and Climate Science, Icahn School of Medicine at Mount Sinai, New York, NY, United States
- Institute for Climate Change, Environmental Health, and Exposomics, Icahn School of Medicine at Mount Sinai, New York, NY, United States
| | - Fatemeh Yousefian
- Department of Environmental Health Engineering, Faculty of Health, Kashan University of Medical Sciences, Kashan, Iran
| | - Sasan Faridi
- Center for Air Pollution Research (CAPR), Institute for Environmental Research (IER), Tehran University of Medical Sciences, Tehran, Iran
| | - Zorana J. Andersen
- Department of Public Health, University of Copenhagen, Copenhagen, Denmark
| | | | - Alberto Castro
- Swiss Tropical and Public Health Institute, Allschwil, Switzerland
- University of Basel, Basel, Switzerland
| | - Karla Cervantes-Martínez
- Department of Environment, Climate Change and Health, World Health Organization, Geneva, Switzerland
| | - Thomas Cole-Hunter
- Department of Public Health, University of Copenhagen, Copenhagen, Denmark
| | - Magali Corso
- Department of Environmental and Occupational Health, Santé Publique France, Saint-Maurice, France
| | - Natasa Dragic
- Faculty of Medicine, University of Novi Sad, Novi Sad, Serbia
| | - Dimitris Evangelopoulos
- Environmental Research Group, MRC Centre for Environment and Health, Imperial College London, London, United Kingdom
| | - Christian Gapp
- World Health Organization Regional Office for Europe, Copenhagen, Denmark
| | - Mohammad Sadegh Hassanvand
- Center for Air Pollution Research (CAPR), Institute for Environmental Research (IER), Tehran University of Medical Sciences, Tehran, Iran
| | - Ingu Kim
- European Centre for Environment and Health, World Health Organization, Regional Office for Europe, Bonn, Germany
| | - Alain Le Tertre
- Regional Office Bretagne, Santé Publique France, Rennes, France
| | - Sylvia Medina
- Department of Environmental and Occupational Health, Santé Publique France, Saint-Maurice, France
| | - Brian Miller
- Institute of Occupational Medicine (IOM), Edinburgh, United Kingdom
| | | | - Weeberb J. Requia
- Center for Environment and Public Health Studies, School of Public Policy and Government, Fundação Getúlio Vargas, Brasília, Brazil
| | | | - David Rojas-Rueda
- Department of Environmental and Radiological Health Sciences, Colorado State University, Fort Collins, CO, United States
- Colorado School of Public Health, Colorado State University, Fort Collins, CO, United States
| | - Evangelia Samoli
- Department of Hygiene, Epidemiology and Medical Statistics, Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | | | - Maayan Yitshak-Sade
- Department of Environmental Medicine and Climate Science, Icahn School of Medicine at Mount Sinai, New York, NY, United States
- Institute for Climate Change, Environmental Health, and Exposomics, Icahn School of Medicine at Mount Sinai, New York, NY, United States
| | - Joel Schwartz
- Department of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, MA, United States
| | - Nino Kuenzli
- Swiss Tropical and Public Health Institute, Allschwil, Switzerland
- University of Basel, Basel, Switzerland
| | - Joseph V. Spadaro
- Spadaro Environmental Research Consultants (SERC), Philadelphia, PA, United States
| | | | - Pierpaolo Mudu
- European Centre for Environment and Health, World Health Organization, Regional Office for Europe, Bonn, Germany
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Ngamsang P, Amnuaylojaroen T, Parasin N, Pimonsree S. Health Impact Assessment of Short-Term Exposure to Particulate Matter (PM 10) in Northern Thailand. JOURNAL OF ENVIRONMENTAL AND PUBLIC HEALTH 2023; 2023:1237768. [PMID: 37283814 PMCID: PMC10241591 DOI: 10.1155/2023/1237768] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Figures] [Subscribe] [Scholar Register] [Received: 02/06/2023] [Revised: 03/07/2023] [Accepted: 04/15/2023] [Indexed: 06/08/2023]
Abstract
In northern Thailand, in recent decades, particulate pollution from the burning of biomass has become a serious issue with toxicological implications for human health, especially during the winter months of January to April. The purpose of this study was to explore short-term exposure to particulate matter (PM10) in northern Thailand. The high PM10 concentration in 2012 was used as a case study. We used the EPA's Benefits Mapping and Analysis Program-Community Edition (BenMAP-CE) for the health impact assessment, along with ground-based measurement data. The annual average observed PM10 concentration was in the range of 43-61 μg/m3, with a maximum observed PM10 concentration of 300 μg/m3 in March. We then assessed the impacts of PM10 exposure in northern Thailand. When the PM10 concentration was reduced to 120 μg/m3, the undesirable effects on respiratory mortality decreased by 5%-11%. When the concentration of PM10 was reduced to 45 μg/m3, the deleterious effects on respiratory mortality decreased by 11-30%. In conclusion, adherence to the WHO-AQG, particularly for PM10 (45 μg/m3), tends to result in considerable reductions in respiratory disease mortality in northern Thailand.
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Affiliation(s)
- Pakaporn Ngamsang
- School of Energy and Environment, University of Phayao, Phayao 56000, Thailand
| | - Teerachai Amnuaylojaroen
- School of Energy and Environment, University of Phayao, Phayao 56000, Thailand
- Atmospheric Pollution and Climate Change Research Units, School of Energy and Environment, University of Phayao, Phayao, Thailand
| | - Nichapa Parasin
- School of Allied Health Science, University of Phayao, Phayao 56000, Thailand
| | - Sittichai Pimonsree
- School of Energy and Environment, University of Phayao, Phayao 56000, Thailand
- Atmospheric Pollution and Climate Change Research Units, School of Energy and Environment, University of Phayao, Phayao, Thailand
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Suriano D, Prato M. An Investigation on the Possible Application Areas of Low-Cost PM Sensors for Air Quality Monitoring. SENSORS (BASEL, SWITZERLAND) 2023; 23:3976. [PMID: 37112317 PMCID: PMC10143454 DOI: 10.3390/s23083976] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Revised: 03/30/2023] [Accepted: 04/11/2023] [Indexed: 06/19/2023]
Abstract
In recent years, the availability on the market of low-cost sensors (LCSs) and low-cost monitors (LCMs) for air quality monitoring has attracted the interest of scientists, communities, and professionals. Although the scientific community has raised concerns about their data quality, they are still considered a possible alternative to regulatory monitoring stations due to their cheapness, compactness, and lack of maintenance costs. Several studies have performed independent evaluations to investigate their performance, but a comparison of the results is difficult due to the different test conditions and metrics adopted. The U.S. Environmental Protection Agency (EPA) tried to provide a tool for assessing the possible uses of LCSs or LCMs by publishing guidelines to assign suitable application areas for each of them on the basis of the mean normalized bias (MNB) and coefficient of variance (CV) indicators. Until today, very few studies have analyzed LCS performance by referring to the EPA guidelines. This research aimed to understand the performance and the possible application areas of two PM sensor models (PMS5003 and SPS30) on the basis of the EPA guidelines. We computed the R2, RMSE, MAE, MNB, CV, and other performance indicators and found that the coefficient of determination (R2) ranged from 0.55 to 0.61, while the root mean squared error (RMSE) ranged from 11.02 µg/m3 to 12.09 µg/m3. Moreover, the application of a correction factor to include the humidity effect produced an improvement in the performance of the PMS5003 sensor models. We also found that, based on the MNB and CV values, the EPA guidelines assigned the SPS30 sensors to the "informal information about the presence of the pollutant" application area (Tier I), while PMS5003 sensors were assigned to the "supplemental monitoring of regulatory networks" area (Tier III). Although the usefulness of the EPA guidelines is acknowledged, it appears that improvements are necessary to increase their effectiveness.
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Oak YJ, Park RJ, Lee JT, Byun G. Future air quality and premature mortality in Korea. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 865:161134. [PMID: 36587681 DOI: 10.1016/j.scitotenv.2022.161134] [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: 10/11/2022] [Revised: 11/22/2022] [Accepted: 12/19/2022] [Indexed: 06/17/2023]
Abstract
We simulate air quality in Korea for the present, the near-term, and the long-term future conditions under the Shared Socioeconomic Pathways (SSP1: most sustainable pathway with strong emissions control, SSP3: most challenging pathway with mild emissions control) using a chemical transport model. Simulated future concentrations of NO2, SO2, and fine particulate matter (PM2.5), show, in general, lower values compared to the present with varying degrees depending on SSP scenarios. Significant reductions in precursor emissions result in a decrease in O3 concentrations under a NOx-limited environment in the long-term future under SSP1. Under SSP3, O3 increases in the future under a VOC-limited regime, driven by increased CH4 levels and biogenic VOC emissions under the warming climate. Concentrations of PM2.5 and its components, including sulfate, nitrate, ammonium, and organic aerosols (OA), generally decrease in the long-term future under both scenarios. However, the contribution of biogenic secondary OA (BSOA) to PM2.5 will increase in the future. Simulated results are used to estimate cardiorespiratory mortality changes with concentration-response factors from epidemiologic studies in Korea based on national health surveys and Korean cohorts, using projected population structures from the SSP database. The cardiorespiratory health burden of long-term exposure to O3, NO2, SO2, and PM2.5 is estimated to be 10,419 (95 % confidence interval: 1271-17,142), 8630 (0-18,713), 3958 (0-9272), and 10,431 (1411-20,643) deaths in 2019. We find that the total cardiorespiratory excess mortality due to air pollutants under SSP1 decreases by 8 % and 95 % in 2045 and 2095, respectively. Under SSP3, excess mortality increases by 80 % in 2045, and decreases by 22 % in 2095, resulting in a substantial difference in the health outcomes depending on the emission scenario. We also find that the BSOA contribution to total PM2.5 will differ by region, emphasizing the potential health impact of BSOA on a local scale in the future.
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Affiliation(s)
- Yujin J Oak
- School of Earth and Environmental Sciences, Seoul National University, Seoul, South Korea
| | - Rokjin J Park
- School of Earth and Environmental Sciences, Seoul National University, Seoul, South Korea.
| | - Jong-Tae Lee
- School of Health Policy and Management, College of Health Science, Korea University, Seoul, South Korea; Interdisciplinary Program in Precision Public Health, Korea University, Seoul, South Korea
| | - Garam Byun
- Interdisciplinary Program in Precision Public Health, Korea University, Seoul, South Korea
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Zhu L, Lu Y, Cheng F, Zhang L, Yusan A, Alifu X, Alimasi A, Alemujiang X. Association between atmospheric pollutant levels and oxidative stress in pregnant women and newborns in Urumqi. BMC Public Health 2023; 23:330. [PMID: 36788529 PMCID: PMC9926740 DOI: 10.1186/s12889-023-15222-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2022] [Accepted: 02/06/2023] [Indexed: 02/16/2023] Open
Abstract
BACKGROUND Frequent heavy air pollution occurred during the winter heating season of northern China. Particulate air pollution is a serious concern in Urumqi during heating season. Exposure to air pollution is known to increase adverse health outcomes, particularly oxidative damage. This study aimed to evaluate the impact of air pollution on oxidative damage around pregnant women and newborns in Urumqi. METHODS This prospective observational study enrolled pregnant women in the Fifth Affiliated Hospital of Xinjiang Medical University between January 2019 and October 2019. Pregnant women and newborns were allocated into a heating season group (January - end of April 2019, October 2019) or non-heating season group (June 2019 - end of September) according to the specific delivery time. Venous blood, urine from the women and cord blood from their newborns were collected to measure the levels of PAHs and 8-deoxyguanosine (8-OHdG), a measure of oxidative stress. RESULTS A total of 200 pregnant women and newborns were enrolled, with 100 pregnant women and newborns in the heating season group. Compared to the non-heating season group, the total contents of 8-OHdG in maternal urine, PAHs and 8-OHdG in maternal plasma and neonatal cord blood were higher in the heating season group (all P < 0.001). The average values for AQI, PM2.5, PM10, SO2, NO2, and CO were higher in the heating season group (all P < 0.001). Maternal and neonatal PAHs were correlated with 8-OHdG measurements in maternal urine (r = 0.288, P < 0.001 and r = 0.336, P < 0.001) and neonatal umbilical cord blood (r = 0.296, P < 0.001 and r = 0.252, P < 0.001). There was also a positive relationship between PAHs, 8-OHdG levels in pregnant women and their newborns and proximate air pollutant concentrations (all P < 0.05). Based on the results of multiple linear regression analysis, it was found that air pollutants(PM10, 03) had a great influence on the level of 8-OHdG in neonatal cord blood, and the contribution rate was high(R2 = 0.320). Based on the epidemiological questionnaire, a multiple linear regression model was established(R2 = 0.496). We found that 8-OHdG levels in neonatal umbilical cord blood were mainly affected by two aspects: (1) Biological samples collected during heating had higher levels of 8-OHdG in neonatal umbilical cord blood. (2) Study may suggest that in neonates, males are more sensitive to oxidative damage. CONCLUSION Particulate air pollution may increase PAHs exposure and oxidative DNA damage in pregnant women and newborns.
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Affiliation(s)
- Linghui Zhu
- grid.13394.3c0000 0004 1799 3993School of Public Health, Xinjiang Medical University, 830054 Urumqi, China ,grid.410644.3Human resource department, People’s Hospital of Xinjiang Uygur Autonomous Region, Tianshan District No. 91 Tianchi Road, 830001 Urumqi, Xinjiang China
| | - Ying Lu
- School of Public Health, Xinjiang Medical University, 830054, Urumqi, China. .,International School of Public Health and One Health, Hainan Medical University, 571199, Haikou, China.
| | - Fang Cheng
- grid.13394.3c0000 0004 1799 3993Department of Obstetrics, Fifth Affiliated Hospital, Xinjiang Medical University, Urumqi, Xinjiang China
| | - Luyi Zhang
- grid.13394.3c0000 0004 1799 3993School of Public Health, Xinjiang Medical University, 830054 Urumqi, China ,China Energy Construction Group Xinjiang Electric Power Design Institute Co., Ltd. Testing Center, 830054 Urumqi, Xinjiang China
| | - Aliya Yusan
- grid.13394.3c0000 0004 1799 3993School of Public Health, Xinjiang Medical University, 830054 Urumqi, China
| | - Xialidan Alifu
- grid.13394.3c0000 0004 1799 3993School of Public Health, Xinjiang Medical University, 830054 Urumqi, China ,grid.13402.340000 0004 1759 700XDepartment of Epidemiology and Health Statistics, School of Public Health, Zhejiang University, Zhejiang, China
| | - Ayixiemuguli Alimasi
- grid.13394.3c0000 0004 1799 3993School of Public Health, Xinjiang Medical University, 830054 Urumqi, China ,State Key Laboratory of Pathogenesis, Prevention and Treatment of High Incidence Diseases in Central Asia, 830011 Urumqi, Xinjiang China
| | - Xiahaida Alemujiang
- grid.13394.3c0000 0004 1799 3993School of Public Health, Xinjiang Medical University, 830054 Urumqi, China ,The First People’s Hospital of Urumqi (Urumqi Children’s Hospital), 830000 Urumqi, China
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Nunes RAO, Alvim-Ferraz MCM, Martins FG, Peñuelas AL, Durán-Grados V, Moreno-Gutiérrez J, Jalkanen JP, Hannuniemi H, Sousa SIV. Estimating the health and economic burden of shipping related air pollution in the Iberian Peninsula. ENVIRONMENT INTERNATIONAL 2021; 156:106763. [PMID: 34280611 DOI: 10.1016/j.envint.2021.106763] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/11/2021] [Revised: 06/22/2021] [Accepted: 07/05/2021] [Indexed: 06/13/2023]
Abstract
Air pollution is the leading cause of the global burden of disease from the environment, entailing substantial economic consequences. International shipping is a significant source of NOx, SO2, CO and PM, which can cause known negative health impacts. Thus, this study aimed to estimate the health impacts and the associated external costs of ship-related air pollution in the Iberian Peninsula for 2015. Moreover, the impact of CAP2020 regulations on 2015 emissions was studied. Log-linear functions based on WHO-HRAPIE relative risks for PM2.5 and NO2 all-cause mortality and morbidity health end-points, and integrated exposure-response functions for PM2.5 cause-specific mortality, were used to calculate the excess burden of disease. The number of deaths and years of life lost (YLL) due to NO2 ship-related emissions was similar to those of PM2.5 ship-related emissions. Estimated all-cause premature deaths attributable to PM2.5 ship-related emissions represented an average increase of 7.7% for the Iberian Peninsula when compared to the scenario without shipping contribution. Costs of around 9 100 million € yr-1 (for value of statistical life approach - VSL) and 1 825 million € yr-1 (for value of life year approach - VOLY) were estimated for PM and NO2 all-cause burden of disease. For PM2.5 cause-specific mortality, a cost of around 3 475 million € yr-1 (for VSL approach) and 851 million € yr-1 (for VOLY approach) were estimated. Costs due to PM and NO2 all-cause burden represented around 0.72% and 0.15% of the Iberian Peninsula gross domestic product in 2015, respectively for VSL and VOLY approaches. For PM2.5 cause-specific mortality, costs represented around 0.28% and 0.06%, respectively, for VSL and VOLY approaches. If CAP2020 regulations had been applied in 2015, around 50% and 30% respectively of PM2.5 and NO2 ship-related mortality would been avoided. These results show that air pollution from ships has a considerable impact on health and associated costs affecting the Iberian Peninsula.
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Affiliation(s)
- Rafael A O Nunes
- LEPABE - Laboratory for Process Engineering, Environment, Biotechnology and Energy, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal
| | - Maria C M Alvim-Ferraz
- LEPABE - Laboratory for Process Engineering, Environment, Biotechnology and Energy, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal
| | - Fernando G Martins
- LEPABE - Laboratory for Process Engineering, Environment, Biotechnology and Energy, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal
| | | | - Vanessa Durán-Grados
- Departamento de Máquinas y Motores Térmicos, Escuela de Ingenierías Marina, Náutica y Radioelectrónica, Campus de Excelencia Internacional del Mar (CEIMAR), Universidad de Cádiz, Spain
| | - Juan Moreno-Gutiérrez
- Departamento de Máquinas y Motores Térmicos, Escuela de Ingenierías Marina, Náutica y Radioelectrónica, Campus de Excelencia Internacional del Mar (CEIMAR), Universidad de Cádiz, Spain
| | | | - Hanna Hannuniemi
- Departamento de Máquinas y Motores Térmicos, Escuela de Ingenierías Marina, Náutica y Radioelectrónica, Campus de Excelencia Internacional del Mar (CEIMAR), Universidad de Cádiz, Spain
| | - Sofia I V Sousa
- LEPABE - Laboratory for Process Engineering, Environment, Biotechnology and Energy, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal.
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Goudarzi G, Hopke PK, Yazdani M. Forecasting PM 2.5 concentration using artificial neural network and its health effects in Ahvaz, Iran. CHEMOSPHERE 2021; 283:131285. [PMID: 34182649 DOI: 10.1016/j.chemosphere.2021.131285] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/23/2021] [Revised: 06/13/2021] [Accepted: 06/17/2021] [Indexed: 05/28/2023]
Abstract
The main objective of the present study was to predict the associated health endpoint of PM2.5 using an artificial neural network (ANN). The neural network used in this work contains a hidden layer with 27 neurons, an input layer with 8 parameters, and an output layer. First, the artificial neural network was implemented with 80% of data for training then with 90% of data for training. The value of R for the data validation of these two networks was 0.80 and 0.83 respectively. The World Health Organization AirQ + software was utilized for assessing Health effects of PM2.5 levels. The mean PM2.5 over the 9-year study period was 63.27(μg/m3), about six times higher than the WHO guideline. However, the PM2.5 concentration in the last year decreased by about 25% compared to the first year, which is statistically significant (P-value = 0.0048). This reduced pollutant concentration led to a decrease in the number of deaths from 1785 in 2008 to 1059 in 2016. Moreover, a positive correlation was found between PM2.5 concentration and temperature and wind speed. Considering the importance of predicting PM2.5 concentration for accurate and timely decisions as well as the accuracy of the artificial neural network used in this study, the artificial neural network can be utilized as an effective instrument to reduce health and economic effects.
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Affiliation(s)
- Gholamreza Goudarzi
- Air Pollution and Respiratory Diseases Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran; Environmental Technologies Research Center (ETRC), Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Philip K Hopke
- Center for Air Resources Engineering and Science, Clarkson University, Potsdam, NY, USA; Department of Public Health Sciences, University of Rochester School of Medicine and Dentistry, Rochester, NY, USA
| | - Mohsen Yazdani
- Department of Environmental Health Engineering, School of Public Health, Student Research Committee, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran.
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Mishra R, Krishnamoorthy P, Gangamma S, Raut AA, Kumar H. Particulate matter (PM 10) enhances RNA virus infection through modulation of innate immune responses. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2020; 266:115148. [PMID: 32771845 PMCID: PMC7357538 DOI: 10.1016/j.envpol.2020.115148] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/08/2020] [Revised: 06/28/2020] [Accepted: 06/28/2020] [Indexed: 05/07/2023]
Abstract
Sensing of pathogens by specialized receptors is the hallmark of the innate immunity. Innate immune response also mounts a defense response against various allergens and pollutants including particulate matter present in the atmosphere. Air pollution has been included as the top threat to global health declared by WHO which aims to cover more than three billion people against health emergencies from 2019 to 2023. Particulate matter (PM), one of the major components of air pollution, is a significant risk factor for many human diseases and its adverse effects include morbidity and premature deaths throughout the world. Several clinical and epidemiological studies have identified a key link between the PM existence and the prevalence of respiratory and inflammatory disorders. However, the underlying molecular mechanism is not well understood. Here, we investigated the influence of air pollutant, PM10 (particles with aerodynamic diameter less than 10 μm) during RNA virus infections using Highly Pathogenic Avian Influenza (HPAI) - H5N1 virus. We thus characterized the transcriptomic profile of lung epithelial cell line, A549 treated with PM10 prior to H5N1infection, which is known to cause severe lung damage and respiratory disease. We found that PM10 enhances vulnerability (by cellular damage) and regulates virus infectivity to enhance overall pathogenic burden in the lung cells. Additionally, the transcriptomic profile highlights the connection of host factors related to various metabolic pathways and immune responses which were dysregulated during virus infection. Collectively, our findings suggest a strong link between the prevalence of respiratory illness and its association with the air quality.
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Affiliation(s)
- Richa Mishra
- Laboratory of Immunology and Infectious Disease Biology, Department of Biological Sciences, Indian Institute of Science Education and Research (IISER) Bhopal, Bhopal, 462066, MP, India
| | - Pandikannan Krishnamoorthy
- Laboratory of Immunology and Infectious Disease Biology, Department of Biological Sciences, Indian Institute of Science Education and Research (IISER) Bhopal, Bhopal, 462066, MP, India
| | - S Gangamma
- National Institute of Technology Karnataka (NITK), Surathkal, Mangaluru, 575025, Karnataka, India; Centre for Water Food and Environment, IIT Ropar, Rupnagar, 140001, Punjab, India
| | - Ashwin Ashok Raut
- Pathogenomics Laboratory, ICAR - National Institute of High Security Animal Diseases (NIHSAD), OIE Reference Laboratory for Avian Influenza, Bhopal, 462021, MP, India
| | - Himanshu Kumar
- Laboratory of Immunology and Infectious Disease Biology, Department of Biological Sciences, Indian Institute of Science Education and Research (IISER) Bhopal, Bhopal, 462066, MP, India; WPI Immunology, Frontier Research Centre, Osaka University, Osaka, 5650871, Japan.
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9
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Sharma R, Sinha A, Kautish P. Examining the impacts of economic and demographic aspects on the ecological footprint in South and Southeast Asian countries. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2020; 27:36970-36982. [PMID: 32577979 DOI: 10.1007/s11356-020-09659-3] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/19/2020] [Accepted: 06/08/2020] [Indexed: 05/26/2023]
Abstract
The re-examination of the existing economic and environmental policies in the South and Southeast Asian countries seems to be necessary, as these countries are struggling to achieve the goals of sustainable development. For designing a long-term environmental policy, we intended to examine whether the selected economic and demographic indicators have influenced the ecological footprint in the eight developing countries of Asia from 1990 to 2015. The use of pooled mean group (PMG) approach allowed driving the long-run common coefficients, which may facilitate us to develop a common policy framework for fortifying the environmental quality. The computed results confirmed that the selected variables are cointegrated in the long run, and the variables, i.e., per capita income, nonrenewable energy usage, urbanization, fertility rate, and population density are observed as the significant drivers of the environmental pollution. Moreover, the consumption of renewable energy restored the environmental quality in these countries. Based on the results, we recommended the need for the diversification of the energy-basket for enhancement of the use of renewable energy resources. Further, through sensitization of the necessity of environmental conservation, the governments should promote less carbon-intense economic and demographic practices across the industries and sectors.
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Affiliation(s)
- Rajesh Sharma
- School of Business, Mody University of Science and Technology, Lakshmangarh, District Sikar, Rajasthan, India.
| | - Avik Sinha
- Centre for Sustainable Development, Goa Institute of Management, Goa, India
| | - Pradeep Kautish
- Department of Marketing, Institute of Management, Nirma University, Ahmedabad, Gujarat, India
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Poor Air Quality and Its Association with Mortality in Ho Chi Minh City: Case Study. ATMOSPHERE 2020. [DOI: 10.3390/atmos11070750] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Along with its rapid urban development, Ho Chi Minh City (HCMC) in recent years has suffered a high concentration of air pollutants, especially fine particulate matters or PM2.5. A comprehensive study is required to evaluate the air quality conditions and their health impact in this city. Given the lack of adequate air quality monitoring data over a large area of the size of HCMC, an air quality modeling methodology is adopted to address the requirement. Here, by utilizing a corresponding emission inventory in combination with The Air Pollution Model-Chemical Transport Model (TAPM-CTM), the predicted concentration of air pollutants is first obtained for PM2.5, NOx, and SO2. Then by associating the pollutants exposed with the mortality rate from three causes, namely Ischemic Heart Disease (IHD), cardiopulmonary, and lung cancer, the impact of air pollution on human health is obtained for this purpose. Spatial distribution has shown a high amount of pollutants concentrated in the central city with a high density of combustion vehicles (motorcycles and automobiles). In addition, a significant amount of emissions can be observed from stevedoring and harbor activities, including ferries and cargo handling equipment located along the river. Other sources such as household activities also contribute to an even distribution of emission across the city. The results of air quality modeling showed that the annual average concentrations of NO2 were higher than the standard of Vietnam National Technical Regulation on Ambient Air Quality (QCVN 05: 2013 40 µg/m3) and World Health Organization (WHO) (40 µg/m3). The annual average concentrations of PM2.5 were 23 µg/m3 and were also much higher than the WHO (10 µg/m3) standard by about 2.3 times. In terms of public health impacts, PM2.5 was found to be responsible for about 1136 deaths, while the number of mortalities from exposure to NO2 and SO2 was 172 and 89 deaths, respectively. These figures demand some stringent measures from the authorities to potentially remedy the alarming situation of air pollution in HCM City.
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Hall A, Nguyen SM, Mackenzie L, Sanson-Fisher R, Olver I, Thuan TV, Huong TT. What Caused My Cancer? Cancer Patients' Perceptions on What May Have Contributed to the Development of Their Cancer: A Cross-Sectional, Cross-Country Comparison Study. Cancer Control 2020; 26:1073274819863786. [PMID: 31345063 PMCID: PMC6661799 DOI: 10.1177/1073274819863786] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
Accurate public perceptions on the risk factors associated with cancer are important in promoting primary, secondary, and tertiary prevention. Limited studies have explored this topic among patients with cancer in non-western, low-to-middle-income countries. A cross-sectional survey to compare Australian and Vietnamese cancer patients' perceptions of what caused their cancer was undertaken. Adult, patients with cancer from both countries, receiving radiotherapy treatment completed a standardized survey, which included a 25-item module assessing their beliefs on the causes of their cancer. Items ranged from known evidence-based causes (eg, smoking, sun exposure) to non-evidence-based beliefs (eg, stress or anxiety, physical injury, or trauma). Country-specific logistic regression analyses were conducted to identify differences in the determinants of patients' top perceived causes. A total of 585 patient surveys were completed (75% response rate; 285 from Australia, and 300 from Vietnam). Most patients were male (58%) and aged 60 years and older (55%). The most frequently reported risk factor overall and for the Australian sample was "getting older" (overall = 42%, Australia = 49%, and Vietnam = 35%). While the most frequently reported risk factor for the Vietnamese sample was "poor diet" (overall = 39%, Australia = 11%, and Vietnam = 64%). There were differences in the characteristics associated with the top causes of cancer identified by Australian and Vietnamese patients. Patients' beliefs about what may have caused their cancer are complex and likely to be impacted by multiple factors, including the country from which they reside. Developing public awareness campaigns that are accurate and tailored to address the specific beliefs and possible misconceptions held by the target community are needed.
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Affiliation(s)
- Alix Hall
- 1 Priority Research Centre for Health Behaviour, Faculty of Health, The University of Newcastle & Hunter Medical Research Institute, Callaghan, New South Wales, Australia
| | - Sang Minh Nguyen
- 2 Division of Epidemiology, Department of Medicine, Vanderbilt University School of Medicine, Nashville, TN, USA
| | - Lisa Mackenzie
- 1 Priority Research Centre for Health Behaviour, Faculty of Health, The University of Newcastle & Hunter Medical Research Institute, Callaghan, New South Wales, Australia
| | - Rob Sanson-Fisher
- 1 Priority Research Centre for Health Behaviour, Faculty of Health, The University of Newcastle & Hunter Medical Research Institute, Callaghan, New South Wales, Australia
| | - Ian Olver
- 3 University of South Australia Cancer Research Institute, Adelaide, Australia
| | - Tran Van Thuan
- 4 National Cancer Hospital, National Cancer Institute, Hanoi, Vietnam
| | - Tran Thanh Huong
- 5 Vietnam National Cancer Institute, Hanoi Medical University, Hanoi, Vietnam
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Asymmetrically Spatial Effects of Urban Scale and Agglomeration on Haze Pollution in China. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2019; 16:ijerph16244936. [PMID: 31817551 PMCID: PMC6949976 DOI: 10.3390/ijerph16244936] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/12/2019] [Revised: 11/26/2019] [Accepted: 12/03/2019] [Indexed: 11/25/2022]
Abstract
Rapid urbanization in China not only promotes the rapid expansion of urban population and economic agglomeration, but also causes the aggravation of haze pollution. In order to better clarify the asymmetric and nonlinear effects of urban scale and agglomeration on haze pollution, this paper quantitatively evaluates the spatial spillover effects of population size and economic agglomeration on haze pollution in 342 Chinese cities from 2001 to 2016 by using exploratory spatial data analysis (ESDA) and spatial econometric model. The results show the following: (1) During the research period, the distribution of urban scale, agglomeration, and haze pollution in China presented complex asymmetrical features, with the former two presenting a “core–periphery” distribution mode, while the latter having a tendency to spread around. In addition, under the influence of urban population size and economic agglomeration, haze pollution in Chinese cities presents significant spatial autocorrelation, with the agglomeration degrees showing a fluctuating upward trend during the study period. (2) Both urban scale and urban agglomeration have positive global spatiotemporal correlation with haze pollution. Local spatial correlation features are more obvious in China’s emerging urban agglomerations like Beijing–Tianjin–Hebei and Yangtze River Delta. (3) The spatial effects of haze pollution are better evaluated by spatial Durbin model (SDM) with spatial fixed effects, obtaining a coefficient of 0.416, indicating haze in neighboring cities affected each other and had significant spillover. By decomposing the effect of urban scale and agglomeration on haze as direct and indirect effects, the direct effect of urban population size and the indirect effect of urban economic agglomeration are found to be more prominent, reflecting that significant asymmetrical characteristics exist in the spatial effects of urban size and agglomeration on urban haze. (4) Among the control variables that affect China’s rapid urbanization, the level of urban economic development has a positive effect on haze pollution, while the high-level industrial structure and improved technical level can effectively reduce haze pollution. Continuous decline of haze concentration of Chinese cities in recent years has been indicating the spatial relationships between haze and urban size and agglomeration have a decoupling trend. The findings contribute to theory by emphasizing the spillover effect and spatial heterogeneities of geographical factors, and have implications for policy makers to deal with haze pollution reasonably and effectively.
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Systematic Literature Review of Health Impact Assessments in Low and Middle-Income Countries. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2019; 16:ijerph16112018. [PMID: 31174273 PMCID: PMC6603924 DOI: 10.3390/ijerph16112018] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/15/2019] [Revised: 05/28/2019] [Accepted: 06/01/2019] [Indexed: 12/14/2022]
Abstract
Health Impact Assessments (HIAs) motivate effective measures for safeguarding public health. There is consensus that HIAs in low and middle-income countries (LMICs) are lacking, but no study systematically focuses on those that have been successfully conducted across all regions of the world, nor do they highlight factors that may enable or hinder their implementation. Our objectives are to (1) systematically review, geographically map, and characterize HIA activity in LMICs; and (2) apply a process evaluation method to identify factors which are important to improve HIA implementation in LMICs. A systematic review of peer-reviewed HIAs in 156 LMICs was performed in Scopus, Medline, Web of Science, Sociological abstracts, and LILACs (Latin American and Caribbean Health Sciences) databases. The search used PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-Analyses) guidelines and covered HIAs across all type of interventions, topics, and health outcomes. HIAs were included if they reported a clear intervention and health outcome to be assessed. No time restriction was applied, and grey literature was not included. The eligible studies were subjected to six process evaluation criteria. The search yielded 3178 hits and 57 studies were retained. HIAs were conducted in 26 out of 156 countries. There was an unequal distribution of HIAs across regions and within LMICs countries. The leading topics of HIA in LMICs were air pollution, development projects, and urban transport planning. Most of the HIAs reported quantitative approaches (72%), focused on air pollution (46%), appraised policies (60%), and were conducted at the city level (36%). The process evaluation showed important variations in the way HIAs have been conducted and low uniformity in the reporting of six criteria. No study reported the time, money, and staff used to perform HIAs. Only 12% of HIAs were based on participatory approaches; 92% of HIAs considered multiple outcomes; and 61% of HIAs provided recommendations and fostered cross-national collaboration. The limited transparency in process, weak participation, and inconsistent delivery of recommendations were potential limitations to HIA implementation in low and middle-income countries. Scaling and improving HIA implementation in low and middle-income countries in the upcoming years will depend on expanding geographically by increasing HIA governance, adapting models and tools in quantitative methods, and adopting better reporting practices.
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14
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Spatio-temporal variations and factors of a provincial PM 2.5 pollution in eastern China during 2013-2017 by geostatistics. Sci Rep 2019; 9:3613. [PMID: 30837622 PMCID: PMC6401087 DOI: 10.1038/s41598-019-40426-8] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2018] [Accepted: 02/08/2019] [Indexed: 01/16/2023] Open
Abstract
Fine particulate matter (PM2.5) is a typical air pollutant and has adverse health effects across the world, especially in the rapidly developing China due to significant air pollution. The PM2.5 pollution varies with time and space, and is dominated by the locations owing to the differences in geographical conditions including topography and meteorology, the land use and the characteristics of urbanization and industrialization, all of which control the pollution formation by influencing the various sources and transport of PM2.5. To characterize these parameters and mechanisms, the 5-year PM2.5 pollution patterns of Jiangsu province in eastern China with high-resolution was investigated. The Kriging interpolation method of geostatistical analysis (GIS) and the HYbrid Single-Particle Lagrangian Integrated Trajectory (HYSPLIT) model were conducted to study the spatial and temporal distribution of air pollution at 110 sites from national air quality monitoring network covering 13 cities. The PM2.5 pollution of the studied region was obvious, although the annual average concentration decreased from previous 72 to recent 50 μg m−3. Evident temporal variations showed high PM2.5 level in winter and low in summer. Spatially, PM2.5 level was higher in northern (inland, heavy industry) than that in eastern (costal, plain) regions. Industrial sources contributed highest to the air pollution. Backward trajectory clustering and potential source contribution factor (PSCF) analysis indicated that the typical monsoon climate played an important role in the aerosol transport. In summer, the air mass in Jiangsu was mainly affected by the updraft from near region, which accounted for about 60% of the total number of trajectories, while in winter, the long-distance transport from the northwest had a significant impact on air pollution.
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15
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Bae S, Kwon HJ. Current State of Research on the Risk of Morbidity and Mortality Associated with Air Pollution in Korea. Yonsei Med J 2019; 60:243-256. [PMID: 30799587 PMCID: PMC6391524 DOI: 10.3349/ymj.2019.60.3.243] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/27/2018] [Indexed: 12/13/2022] Open
Abstract
PURPOSE The effects of air pollution on health can vary regionally. Our goal was to comprehensively review previous epidemiological studies on air pollution and health conducted in Korea to identify future areas of potential study. MATERIALS AND METHODS We systematically searched all published epidemiologic studies examining the association between air pollution and occurrence of death, diseases, or symptoms in Korea. After classifying health outcomes into mortality, morbidity, and health impact, we summarized the relationship between individual air pollutants and health outcomes. RESULTS We analyzed a total of 27 studies that provided 104 estimates of the quantitative association between risk of mortality and exposure to air pollutants, including particulate matter with aerodynamic diameter less than 10 μm, particulate matter with aerodynamic diameter less than 2.5 μm, sulfur dioxide, nitrogen dioxide, ozone, and carbon monoxide in Korea between January 1999 and July 2018. Regarding the association with morbidity, there were 38 studies, with 98 estimates, conducted during the same period. Most studies examined the short-term effects of air pollution using a time series or case-crossover study design; only three cohort studies that examined long-term effects were found. There were four health impact studies that calculated the attributable number of deaths or disability-adjusted life years due to air pollution. CONCLUSION There have been many epidemiologic studies in Korea regarding air pollution and health. However, the present review shows that additional studies, especially cohort and experimental studies, are needed to provide more robust and accurate evidence that can be used to promote evidence-based policymaking.
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Affiliation(s)
- Sanghyuk Bae
- Department of Preventive Medicine, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Ho Jang Kwon
- Department of Preventive Medicine, Dankook University College of Medicine, Cheonan, Korea.
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16
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Quezada-Maldonado EM, Sánchez-Pérez Y, Chirino YI, Vaca-Paniagua F, García-Cuellar CM. miRNAs deregulation in lung cells exposed to airborne particulate matter (PM 10) is associated with pathways deregulated in lung tumors. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2018; 241:351-358. [PMID: 29852438 DOI: 10.1016/j.envpol.2018.05.073] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/09/2018] [Revised: 05/10/2018] [Accepted: 05/21/2018] [Indexed: 06/08/2023]
Abstract
Particulate matter (PM) is an environmental pollutant that has been associated with an increased risk for lung cancer. PM exposure induces cellular alterations and the deregulation of cell signaling pathways. However other mechanisms such as microRNAs deregulation, might be involved in the development and progression of some types of epithelial cancer. The aim of this work was to evaluate miRNA expression in epithelial lung cells after exposure to PM10 and to identify the possible gene targets of deregulated miRNAs. We measured the expression of 2538 miRNAs using a microarray platform after 72 h of PM10 exposure; the potential biological function was inferred with bioinformatics analysis and we validated the relative expression of 10 selected miRNAs with real-time PCR. We found that the expression of 74 miRNAs was significantly changed: 45 miRNAs were downregulated and were involved in proliferation, cell cycle, cytoskeleton modification and autophagy; meanwhile, 29 miRNAs related to apoptosis, DNA damage repair and xenobiotic metabolism were upregulated.
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Affiliation(s)
- Ericka Marel Quezada-Maldonado
- Subdirección de Investigación Básica, Instituto Nacional de Cancerología, San Fernando No. 22, Tlalpan, CP, 14080, Ciudad de México, Mexico
| | - Yesennia Sánchez-Pérez
- Subdirección de Investigación Básica, Instituto Nacional de Cancerología, San Fernando No. 22, Tlalpan, CP, 14080, Ciudad de México, Mexico
| | - Yolanda I Chirino
- Unidad de Biomedicina, FES-Iztacala, Universidad Nacional Autónoma de México, CP, 54059, Estado de México, Mexico
| | - Felipe Vaca-Paniagua
- Subdirección de Investigación Básica, Instituto Nacional de Cancerología, San Fernando No. 22, Tlalpan, CP, 14080, Ciudad de México, Mexico; Unidad de Biomedicina, FES-Iztacala, Universidad Nacional Autónoma de México, CP, 54059, Estado de México, Mexico; Laboratorio Nacional en Salud: Diagnóstico Molecular y Efecto Ambiental en Enfermedades Crónico-Degenerativas, Universidad Nacional Autónoma de México, CP, 54059, Estado de México, Mexico
| | - Claudia M García-Cuellar
- Subdirección de Investigación Básica, Instituto Nacional de Cancerología, San Fernando No. 22, Tlalpan, CP, 14080, Ciudad de México, Mexico.
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17
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Han C, Kim S, Lim YH, Bae HJ, Hong YC. Spatial and Temporal Trends of Number of Deaths Attributable to Ambient PM 2.5 in the Korea. J Korean Med Sci 2018; 33:e193. [PMID: 30034305 PMCID: PMC6052329 DOI: 10.3346/jkms.2018.33.e193] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/09/2018] [Accepted: 05/10/2018] [Indexed: 12/04/2022] Open
Abstract
BACKGROUND We aimed to evaluate the spatial and temporal trends of the health burden attributable to particulate matter less than 2.5 µm in diameter (PM2.5) in the metropolitan cities and provinces of the Korea. METHODS We used modeled PM2.5 concentration data for the basic administrative levels, comprising the cities and the provinces of Korea, the corresponding annual population census data for each level, and the age and cause specific mortality data. We applied cause-specific integrated exposure-response functions to calculate the premature mortality attributable to ambient PM2.5 for four disease end points (ischemic heart disease [IHD], chronic obstructive pulmonary disease [COPD], lung cancer [LC], and cerebrovascular disease [stroke]) for the year 2015. Moreover, the temporal trends of the health burden from 2006 to 2015 were assessed. RESULTS The annual average PM2.5 concentration for Korea was 24.4 μg/m3, and 11,924 premature deaths were attributable to PM2.5 exposure in 2015. By simulating the reduction in the annual mean values of PM2.5 to 10 µg/m3, about 8,539 premature deaths were preventable. There was spatial variation in mortality burden attributable to PM2.5 across the sub-national regions of Korea. In particular, the high burden was concentrated at Seoul and Gyeonggi province due to the high population density. However, decreasing trends were noted for most of the metropolitan cities and provinces of Korea since 2006. CONCLUSION Our findings show that further actions to improve air quality in Korea would substantially improve the health burden due to particulate matter.
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Affiliation(s)
- Changwoo Han
- Department of Preventive Medicine, Seoul National University College of Medicine, Seoul, Korea
| | - Soontae Kim
- Department of Environmental and Safety Engineering, Ajou University, Suwon, Korea
| | - Youn-Hee Lim
- Institute of Environmental Medicine, Seoul National University Medical Research Center, Seoul, Korea
- Environmental Health Center, Seoul National University College of Medicine, Seoul, Korea
| | | | - Yun-Chul Hong
- Department of Preventive Medicine, Seoul National University College of Medicine, Seoul, Korea
- Institute of Environmental Medicine, Seoul National University Medical Research Center, Seoul, Korea
- Environmental Health Center, Seoul National University College of Medicine, Seoul, Korea
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18
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Yang Y, Luo L, Song C, Yin H, Yang J. Spatiotemporal Assessment of PM 2.5-Related Economic Losses from Health Impacts during 2014⁻2016 in China. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2018; 15:ijerph15061278. [PMID: 29914184 PMCID: PMC6024949 DOI: 10.3390/ijerph15061278] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/28/2018] [Revised: 06/06/2018] [Accepted: 06/14/2018] [Indexed: 01/02/2023]
Abstract
Background: Particulate air pollution, especially PM2.5, is highly correlated with various adverse health impacts and, ultimately, economic losses for society, however, few studies have undertaken a spatiotemporal assessment of PM2.5-related economic losses from health impacts covering all of the main cities in China. Methods: PM2.5 concentration data were retrieved for 190 Chinese cities for the period 2014–2016. We used a log-linear exposure–response model and monetary valuation methods, such as value of a statistical life (VSL), amended human capital (AHC), and cost of illness to evaluate PM2.5-related economic losses from health impacts at the city level. In addition, Monte Carlo simulation was used to analyze uncertainty. Results: The average economic loss was 0.3% (AHC) to 1% (VSL) of the total gross domestic product (GDP) of 190 Chinese cities from 2014 to 2016. Overall, China experienced a downward trend in total economic losses over the three-year period, but the Beijing–Tianjin–Hebei, Shandong Peninsula, Yangtze River Delta, and Chengdu-Chongqing regions experienced greater annual economic losses. Conclusions: Exploration of spatiotemporal variations in PM2.5-related economic losses from long-term health impacts could provide new information for policymakers regarding priority areas for PM2.5 pollution prevention and control in China.
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Affiliation(s)
- Yang Yang
- School of Geoscience and Technology, Southwest Petroleum University, Chengdu 610500, China.
| | - Liwen Luo
- School of Geoscience and Technology, Southwest Petroleum University, Chengdu 610500, China.
| | - Chao Song
- School of Geoscience and Technology, Southwest Petroleum University, Chengdu 610500, China.
- State Key Laboratory of Environmental Simulation and Pollution Control, School of Environment, Beijing Normal University, Beijing 100875, China.
- Department of Geography, Dartmouth College, Hanover, NH 03755, USA.
| | - Hao Yin
- State Key Laboratory of Environmental Simulation and Pollution Control, School of Environment, Beijing Normal University, Beijing 100875, China.
- Department of Planning, Danish Centre for Environmental Assessment, Aalborg University, Rendsburggade 14, 9000 Aalborg, Denmark.
| | - Jintao Yang
- School of Geoscience and Technology, Southwest Petroleum University, Chengdu 610500, China.
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Huang F, Pan B, Wu J, Chen E, Chen L. Relationship between exposure to PM2.5 and lung cancer incidence and mortality: A meta-analysis. Oncotarget 2018; 8:43322-43331. [PMID: 28487493 PMCID: PMC5522148 DOI: 10.18632/oncotarget.17313] [Citation(s) in RCA: 106] [Impact Index Per Article: 17.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2017] [Accepted: 04/04/2017] [Indexed: 01/11/2023] Open
Abstract
We conducted a meta-analysis to examinine the relationship between exposure to PM2.5 and lung cancer incidence and mortality. In total, 17 studies met our inclusion criteria and provided information necessary to estimate the change in lung cancer risk per 10 μg/m3 increase in exposure to PM2.5. The random-effects model was used to estimate the relative risk (RR) for specific PM2.5 values. The meta-estimate for lung cancer risk associated with PM2.5 was 1.11 for mortality (95% CI: 1.05, 1.18) and 1.08 (95% CI: 1.03, 1.12) for incidence. Analyses by continent showed that the meta-estimate for lung cancer mortality associated with PM2.5 was greatest in North America [1.15 (95% CI: 1.07, 1.24)], followed by Asia [1.12 (95% CI: 0.94, 1.35)], and then Europe [1.05 (95% CI: 1.01, 1.10)]. Lung cancer incidence associated with PM2.5 was greatest in Asia [1.09 (95% CI: 1.03, 1.15)], followed by North America [1.06 (95% CI: 1.01, 1.11)], and then Europe [1.03 (95% CI: 0.61, 1.75)]. In subgroup analyses of country, the mortality meta-estimate for developed countries was 1.14 (95% CI: 1.06, 1.23), and for developing countries was 1.03 (95% CI: 1.00, 1.07). The incidence meta-estimate for developed countries was 1.07 (95% CI: 0.96, 1.20), and was similar to that of developing countries, 1.07 (95% CI: 1.06, 1.09). In subgroup analyses of males and females, the meta-estimate for lung cancer mortality associated with PM2.5 was greater for males [1.26 (95% CI: 1.15, 1.40)] than for females [1.17 (95% CI: 0.98, 1.39)]. The meta-estimate for lung cancer incidence associated with PM2.5 was greater for males [1.23 (95% CI: 0.83, 1.81)] than for females [1.15 (95% CI: 1.12, 1.18)]. In subgroup analyses of smoking status, the meta-estimate for lung cancer mortality associated with PM2.5 for former smokers was 1.46 (95% CI: 0.84, 2.55), for current smokers was 1.33 (95% CI: 1.20, 1.49), and for never smokers was 1.16 (95% CI: 1.02, 1.33), respectively. The meta-estimate for lung cancer incidence associated with PM2.5 for former smokers was 1.19 (95% CI: 0.95, 1.50), for never smokers was 1.10 (95% CI: 0.76, 1.59), and for current smokers was 1.03 (95% CI: 0.87, 1.21). The relative risks of a relationship between PM2.5 and lung cancer incidence and mortality were 1.08 (95% CI: 1.03, 1.12) and 1.11 (95% CI: 1.05, 1.18), respectively. These findings will provide some evidence for policy makers and public health practitioners worldwide.
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Affiliation(s)
- Feifei Huang
- Department of Family Medicine, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou, 310016, P.R. China
| | - Bing Pan
- Department of Family Medicine, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou, 310016, P.R. China
| | - Jun Wu
- Department of Family Medicine, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou, 310016, P.R. China
| | - Engeng Chen
- Department of Colorectal Surgery, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou, 310016, P.R. China
| | - Liying Chen
- Department of Family Medicine, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou, 310016, P.R. China
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New Tropical Peatland Gas and Particulate Emissions Factors Indicate 2015 Indonesian Fires Released Far More Particulate Matter (but Less Methane) than Current Inventories Imply. REMOTE SENSING 2018. [DOI: 10.3390/rs10040495] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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21
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Hu X, Li Q, Shao S, Zeng Q, Jiang S, Wu Q, Jiang C. Potential lung carcinogenicity induced by chronic exposure to PM 2.5 in the rat. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2017; 24:18991-19000. [PMID: 28656580 DOI: 10.1007/s11356-017-9430-6] [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: 03/09/2017] [Accepted: 06/01/2017] [Indexed: 06/07/2023]
Abstract
Exposure to fine particulate matter (PM2.5) may increase lung cancer risk, but the underlying mechanisms are poorly understood. This study explored the potential carcinogenicity in rat lung induced by chronic exposure to PM2.5. Adult male rats (200-220 g) were treated with PM2.5 (10 mg/kg body weight) by tracheal perfusion once per week for 1 year; the rats were killed, and expression of tumor markers (carcinoembryonic antigen (CEA), neuron-specific enolase (NSE), squamous cell carcinoma antigen (SCCA)), cancer-related genes, and pathological changes were detected. Chronic treatment with PM2.5 significantly increased SCCA and NSE expression in rat lung tissue and serum. Damaged lung tissue structure was observed by hematoxylin and eosin staining. Although no evidence of tumors was detected, the Wnt/β-catenin signaling, epithelial-mesenchymal transition, vascular endothelial growth factor, and epidermal growth factor receptor pathways were all activated or overexpressed and likely involved in the potential carcinogenicity in the rat model. Additionally, abnormal expression of the proto-oncogenes c-Myc and K-Ras and tumor suppressor p53 can be seen in lung tissue induced by PM2.5 exposure. Chronic exposure to PM2.5 has the potential to be carcinogenic in rat lung.
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Affiliation(s)
- Xiaoli Hu
- Department of Respiratory, Tianjin Medical University General Hospital, 54 Anshan Road, Heping District, Tianjin, Tianjin, 300052, China
- Department of Respiratory, People's Hospital of Qitaihe City, 37 Shanhu Road, Qitaihe, Heilongjiang, 154600, China
| | - Qingzhao Li
- School of Public Health, North China University of Science and Technology, 57 Jianshe Road, Tangshan, Hebei, 063000, China
| | - Shifeng Shao
- Tianjin Haihe Hospital, Tianjin Institute of Respiratory Diseases, Tianjin, Tianjin, 300350, China
| | - Qiang Zeng
- Tianjin Center for Disease Control and Prevention, 6 Huayue Road, Tianjin, Tianjin, 300011, China
| | - Shoufang Jiang
- School of Public Health, North China University of Science and Technology, 57 Jianshe Road, Tangshan, Hebei, 063000, China.
| | - Qi Wu
- Department of Respiratory, Tianjin Medical University General Hospital, 54 Anshan Road, Heping District, Tianjin, Tianjin, 300052, China.
- Tianjin Haihe Hospital, Tianjin Institute of Respiratory Diseases, Tianjin, Tianjin, 300350, China.
| | - Chunyang Jiang
- Department of Thoracic Surgery, Tianjin Union Medical Center, 190 Jieyuan Road, Hongqiao District, Tianjin, Tianjin, 300121, China.
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22
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George KV, Patil DD, Anil MNV, Kamal N, Alappat BJ, Kumar P. Evaluation of coarse and fine particles in diverse Indian environments. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2017; 24:3363-3374. [PMID: 27866359 DOI: 10.1007/s11356-016-8049-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/08/2016] [Accepted: 11/03/2016] [Indexed: 06/06/2023]
Abstract
The estimates of airborne fine particle (PM2.5) concentrations are possible through rigorous empirical correlations based on the monitored PM10 data. However, such correlations change depending on the nature of sources in diverse ambient environments and, therefore, have to be environment specific. Studies presenting such correlations are limited but needed, especially for those areas, where PM2.5 is not routinely monitored. Moreover, there are a number of studies focusing on urban environments but very limited for coal mines and coastal areas. The aim of this study is to comprehensively analyze the concentrations of both PM10 and PM2.5 and develop empirical correlations between them. Data from 26 different sites spread over three distinct environments, which are a relatively clean coastal area, two coal mining areas, and a highly urbanized area in Delhi were used for the study. Distributions of PM in the 0.43-10-μm size range were measured using eight-stage cascade impactors. Regression analysis was used to estimate the percentage of PM2.5 in PM10 across distinct environments for source identification. Relatively low percentage of PM2.5 concentrations (21, 28, and 32%) in PM10 were found in clean coastal and two mining areas, respectively. Percentage of PM2.5 concentrations in PM10 in the highly urbanized area of Delhi was 51%, indicating a presence of a much higher percentage of fine particles due to vehicular combustion in Delhi. The findings of this work are important in estimating concentrations of much harmful fine particles from coarse particles across distinct environments. The results are also useful in source identification of particulates as differences in the percentage of PM2.5 concentrations in PM10 can be attributed to characteristics of sources in the diverse ambient environments.
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Affiliation(s)
- K V George
- Air Pollution Control Division, National Environmental Engineering Research Institute, Nagpur, 440020, India.
| | - Dinakar D Patil
- Environmental Manager, Aditya Birla Group, Jafarabad, Gujarat, 365540, India
| | - Mulukutla N V Anil
- Air Pollution Control Division, National Environmental Engineering Research Institute, Nagpur, 440020, India
| | - Neel Kamal
- Air Pollution Control Division, National Environmental Engineering Research Institute, Nagpur, 440020, India
| | - Babu J Alappat
- Department of Civil Engineering, Indian Institute of Technology, Delhi, 110016, India
| | - Prashant Kumar
- Department of Civil and Environmental Engineering, Faculty of Engineering and Physical Sciences, University of Surrey, GU2 7XH, Guildford, U.K
- Environmental Flow (EnFlo) Research Centre, Faculty of Engineering and Physical Sciences, University of Surrey, GU2 7XH, Guildford, U.K
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23
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A Mobile and Low-Cost System for Environmental Monitoring: A Case Study. SENSORS 2016; 16:s16050710. [PMID: 27196912 PMCID: PMC4883401 DOI: 10.3390/s16050710] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/08/2016] [Revised: 05/09/2016] [Accepted: 05/10/2016] [Indexed: 12/04/2022]
Abstract
Northern Italy has one of the highest air pollution levels in the European Union. This paper describes a mobile wireless sensor network system intended to complement the already existing official air quality monitoring systems of the metropolitan town of Torino. The system is characterized by a high portability and low cost, in both acquisition and maintenance. The high portability of the system aims to improve the spatial distribution and resolution of the measurements from the official static monitoring stations. Commercial PM10 and O3 sensors were incorporated into the system and were subsequently tested in a controlled environment and in the field. The test in the field, performed in collaboration with the local environmental agency, revealed that the sensors can provide accurate data if properly calibrated and maintained. Further tests were carried out by mounting the system on bicycles in order to increase their mobility.
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24
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Kumarathasan P, Blais E, Saravanamuthu A, Bielecki A, Mukherjee B, Bjarnason S, Guénette J, Goegan P, Vincent R. Nitrative stress, oxidative stress and plasma endothelin levels after inhalation of particulate matter and ozone. Part Fibre Toxicol 2015. [PMID: 26376633 DOI: 10.1186/s12989‐015‐0103‐7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
BACKGROUND While exposure to ambient air contaminants is clearly associated with adverse health outcomes, disentangling mechanisms of pollutant interactions remains a challenge. OBJECTIVES We aimed at characterizing free radical pathways and the endothelinergic system in rats after inhalation of urban particulate matter, ozone, and a combination of particles plus ozone to gain insight into pollutant-specific toxicity mechanisms and any effect modification due to air pollutant mixtures. METHODS Fischer 344 rats were exposed for 4 h to a 3 × 3 concentration matrix of ozone (0, 0.4, 0.8 ppm) and EHC-93 particles (0, 5, 50 mg/m(3)). Bronchoalveolar lavage fluid (BALF), BAL cells, blood and plasma were analysed for biomarkers of effects immediately and 24 h post-exposure. RESULTS Inhalation of ozone increased (p < 0.05) lipid oxidation products in BAL cells immediately post-exposure, and increased (p < 0.05) total protein, neutrophils and mature macrophages in the BALF 24 h post-exposure. Ozone increased (p < 0.05) the formation of reactive oxygen species (ROS), assessed by m-, p-, o-tyrosines in BALF (Ozone main effects, p < 0.05), while formation of reactive nitrogen species (RNS), indicated by 3-nitrotyrosine, correlated with dose of urban particles (EHC-93 main effects or EHC-93 × Ozone interactions, p < 0.05). Carboxyhemoglobin levels in blood exhibited particle exposure-related increase (p < 0.05) 24 h post recovery. Plasma 3-nitrotyrosine and o-tyrosine were increased (p < 0.05) after inhalation of particles; the effect on 3-nitrotyrosine was abrogated after exposure to ozone plus particles (EHC-93 × Ozone, p < 0.05). Big endothelin-1 (BET-1) and ET-1 were increased in plasma after inhalation of particles or ozone alone, but the effects appeared to be attenuated by co-exposure to contaminants (EHC-93 × Ozone, p < 0.05). Plasma ET levels were positively correlated (p < 0.05) with BALF m- and o-tyrosine levels. CONCLUSIONS Pollutant-specific changes can be amplified or abrogated following multi-pollutant exposures. Oxidative and nitrative stress in the lung compartment may contribute to secondary extra-pulmonary ROS/RNS formation. Nitrative stress and endothelinergic imbalance emerge as potential key pathways of air pollutant health effects, notably of ambient particulate matter.
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Affiliation(s)
- Prem Kumarathasan
- Analytical Biochemistry and Proteomics Laboratory, Environmental Health Centre, Room 233A, 0803C Tunney's Pasture, Ottawa, K1A 0 K9, ON, Canada.
| | - Erica Blais
- Analytical Biochemistry and Proteomics Laboratory, Environmental Health Centre, Room 233A, 0803C Tunney's Pasture, Ottawa, K1A 0 K9, ON, Canada
| | - Anushuyadevi Saravanamuthu
- Analytical Biochemistry and Proteomics Laboratory, Environmental Health Centre, Room 233A, 0803C Tunney's Pasture, Ottawa, K1A 0 K9, ON, Canada
| | - Agnieszka Bielecki
- Analytical Biochemistry and Proteomics Laboratory, Environmental Health Centre, Room 233A, 0803C Tunney's Pasture, Ottawa, K1A 0 K9, ON, Canada
| | - Ballari Mukherjee
- Analytical Biochemistry and Proteomics Laboratory, Environmental Health Centre, Room 233A, 0803C Tunney's Pasture, Ottawa, K1A 0 K9, ON, Canada
| | - Stephen Bjarnason
- Inhalation Toxicology Laboratory, Environmental Health Science and Research Bureau, Healthy Environments and Consumer Safety Branch, Health Canada, Ottawa, K1A 0 K9, ON, Canada
| | - Josée Guénette
- Inhalation Toxicology Laboratory, Environmental Health Science and Research Bureau, Healthy Environments and Consumer Safety Branch, Health Canada, Ottawa, K1A 0 K9, ON, Canada
| | - Patrick Goegan
- Inhalation Toxicology Laboratory, Environmental Health Science and Research Bureau, Healthy Environments and Consumer Safety Branch, Health Canada, Ottawa, K1A 0 K9, ON, Canada
| | - Renaud Vincent
- Inhalation Toxicology Laboratory, Environmental Health Science and Research Bureau, Healthy Environments and Consumer Safety Branch, Health Canada, Ottawa, K1A 0 K9, ON, Canada
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25
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Kumarathasan P, Blais E, Saravanamuthu A, Bielecki A, Mukherjee B, Bjarnason S, Guénette J, Goegan P, Vincent R. Nitrative stress, oxidative stress and plasma endothelin levels after inhalation of particulate matter and ozone. Part Fibre Toxicol 2015; 12:28. [PMID: 26376633 PMCID: PMC4573945 DOI: 10.1186/s12989-015-0103-7] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2015] [Accepted: 09/02/2015] [Indexed: 01/08/2023] Open
Abstract
Background While exposure to ambient air contaminants is clearly associated with adverse health outcomes, disentangling mechanisms of pollutant interactions remains a challenge. Objectives We aimed at characterizing free radical pathways and the endothelinergic system in rats after inhalation of urban particulate matter, ozone, and a combination of particles plus ozone to gain insight into pollutant-specific toxicity mechanisms and any effect modification due to air pollutant mixtures. Methods Fischer 344 rats were exposed for 4 h to a 3 × 3 concentration matrix of ozone (0, 0.4, 0.8 ppm) and EHC-93 particles (0, 5, 50 mg/m3). Bronchoalveolar lavage fluid (BALF), BAL cells, blood and plasma were analysed for biomarkers of effects immediately and 24 h post-exposure. Results Inhalation of ozone increased (p < 0.05) lipid oxidation products in BAL cells immediately post-exposure, and increased (p < 0.05) total protein, neutrophils and mature macrophages in the BALF 24 h post-exposure. Ozone increased (p < 0.05) the formation of reactive oxygen species (ROS), assessed by m-, p-, o-tyrosines in BALF (Ozone main effects, p < 0.05), while formation of reactive nitrogen species (RNS), indicated by 3-nitrotyrosine, correlated with dose of urban particles (EHC-93 main effects or EHC-93 × Ozone interactions, p < 0.05). Carboxyhemoglobin levels in blood exhibited particle exposure-related increase (p < 0.05) 24 h post recovery. Plasma 3-nitrotyrosine and o-tyrosine were increased (p < 0.05) after inhalation of particles; the effect on 3-nitrotyrosine was abrogated after exposure to ozone plus particles (EHC-93 × Ozone, p < 0.05). Big endothelin-1 (BET-1) and ET-1 were increased in plasma after inhalation of particles or ozone alone, but the effects appeared to be attenuated by co-exposure to contaminants (EHC-93 × Ozone, p < 0.05). Plasma ET levels were positively correlated (p < 0.05) with BALF m- and o-tyrosine levels. Conclusions Pollutant-specific changes can be amplified or abrogated following multi-pollutant exposures. Oxidative and nitrative stress in the lung compartment may contribute to secondary extra-pulmonary ROS/RNS formation. Nitrative stress and endothelinergic imbalance emerge as potential key pathways of air pollutant health effects, notably of ambient particulate matter. Electronic supplementary material The online version of this article (doi:10.1186/s12989-015-0103-7) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Prem Kumarathasan
- Analytical Biochemistry and Proteomics Laboratory, Environmental Health Centre, Room 233A, 0803C Tunney's Pasture, Ottawa, K1A 0 K9, ON, Canada.
| | - Erica Blais
- Analytical Biochemistry and Proteomics Laboratory, Environmental Health Centre, Room 233A, 0803C Tunney's Pasture, Ottawa, K1A 0 K9, ON, Canada
| | - Anushuyadevi Saravanamuthu
- Analytical Biochemistry and Proteomics Laboratory, Environmental Health Centre, Room 233A, 0803C Tunney's Pasture, Ottawa, K1A 0 K9, ON, Canada
| | - Agnieszka Bielecki
- Analytical Biochemistry and Proteomics Laboratory, Environmental Health Centre, Room 233A, 0803C Tunney's Pasture, Ottawa, K1A 0 K9, ON, Canada
| | - Ballari Mukherjee
- Analytical Biochemistry and Proteomics Laboratory, Environmental Health Centre, Room 233A, 0803C Tunney's Pasture, Ottawa, K1A 0 K9, ON, Canada
| | - Stephen Bjarnason
- Inhalation Toxicology Laboratory, Environmental Health Science and Research Bureau, Healthy Environments and Consumer Safety Branch, Health Canada, Ottawa, K1A 0 K9, ON, Canada
| | - Josée Guénette
- Inhalation Toxicology Laboratory, Environmental Health Science and Research Bureau, Healthy Environments and Consumer Safety Branch, Health Canada, Ottawa, K1A 0 K9, ON, Canada
| | - Patrick Goegan
- Inhalation Toxicology Laboratory, Environmental Health Science and Research Bureau, Healthy Environments and Consumer Safety Branch, Health Canada, Ottawa, K1A 0 K9, ON, Canada
| | - Renaud Vincent
- Inhalation Toxicology Laboratory, Environmental Health Science and Research Bureau, Healthy Environments and Consumer Safety Branch, Health Canada, Ottawa, K1A 0 K9, ON, Canada
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