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Downey JP, Lakey PSJ, Shiraiwa M, Abbatt JPD. Ozone Loss on Painted Surfaces: Dependence on Relative Humidity, Aging, and Exposure to Reactive SVOCs. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2024; 58:12073-12081. [PMID: 38923518 DOI: 10.1021/acs.est.4c02208] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/28/2024]
Abstract
Ozone and its oxidation products result in negative health effects when inhaled. Despite painted surfaces being the most abundant surface in indoor spaces, surface loss remains one of the largest uncertainties in the indoor ozone budget. Here, ozone uptake coefficients (γO3) on painted surfaces were measured in a flow-through reactor where 79% of the inner surfaces were removable painted glass sheets. Flat white paint initially had a high uptake coefficient (8.3 × 10-6) at 20% RH which plateaued to 1.1 × 10-6 as the paint aged in an indoor office over weeks. Increasing the RH from 0 to 75% increased γO3 by a factor of 3.0, and exposure to 134 ppb of α-terpineol for 1 h increased γO3 by a factor of 1.6 at 20% RH. RH also increases α-terpineol partitioning to paint, further increasing ozone loss, but the type of paint (flat, eggshell, satin, semigloss) had no significant effect. A kinetic multilayer model captures the dependence of γO3 on RH and the presence of α-terpineol, indicating the reacto-diffusive depth for O3 is 1 to 2 μm. Given the similarity of the kinetics on aged surfaces across many paint types and the sustained reactivity during aging, these results suggest a mechanism for catalytic loss.
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Affiliation(s)
- Jillian P Downey
- Department of Chemistry, University of Toronto, Toronto, Ontario M5S 3H6, Canada
| | - Pascale S J Lakey
- Department of Chemistry, University of California, Irvine, California 92697, United States
| | - Manabu Shiraiwa
- Department of Chemistry, University of California, Irvine, California 92697, United States
| | - Jonathan P D Abbatt
- Department of Chemistry, University of Toronto, Toronto, Ontario M5S 3H6, Canada
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2
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Weimann A, Dinan AM, Ruis C, Bernut A, Pont S, Brown K, Ryan J, Santos L, Ellison L, Ukor E, Pandurangan AP, Krokowski S, Blundell TL, Welch M, Blane B, Judge K, Bousfield R, Brown N, Bryant JM, Kukavica-Ibrulj I, Rampioni G, Leoni L, Harrison PT, Peacock SJ, Thomson NR, Gauthier J, Fothergill JL, Levesque RC, Parkhill J, Floto RA. Evolution and host-specific adaptation of Pseudomonas aeruginosa. Science 2024; 385:eadi0908. [PMID: 38963857 DOI: 10.1126/science.adi0908] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2023] [Accepted: 05/02/2024] [Indexed: 07/06/2024]
Abstract
The major human bacterial pathogen Pseudomonas aeruginosa causes multidrug-resistant infections in people with underlying immunodeficiencies or structural lung diseases such as cystic fibrosis (CF). We show that a few environmental isolates, driven by horizontal gene acquisition, have become dominant epidemic clones that have sequentially emerged and spread through global transmission networks over the past 200 years. These clones demonstrate varying intrinsic propensities for infecting CF or non-CF individuals (linked to specific transcriptional changes enabling survival within macrophages); have undergone multiple rounds of convergent, host-specific adaptation; and have eventually lost their ability to transmit between different patient groups. Our findings thus explain the pathogenic evolution of P. aeruginosa and highlight the importance of global surveillance and cross-infection prevention in averting the emergence of future epidemic clones.
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Affiliation(s)
- Aaron Weimann
- Victor Phillip Dahdaleh Heart & Lung Research Institute, University of Cambridge, Cambridge, UK
- University of Cambridge Molecular Immunity Unit, MRC Laboratory of Molecular Biology, Cambridge, UK
- Cambridge Centre for AI in Medicine, University of Cambridge, Cambridge, UK
- Department of Veterinary Medicine, University of Cambridge, Cambridge, UK
| | - Adam M Dinan
- Victor Phillip Dahdaleh Heart & Lung Research Institute, University of Cambridge, Cambridge, UK
- University of Cambridge Molecular Immunity Unit, MRC Laboratory of Molecular Biology, Cambridge, UK
- Cambridge Centre for AI in Medicine, University of Cambridge, Cambridge, UK
| | - Christopher Ruis
- Victor Phillip Dahdaleh Heart & Lung Research Institute, University of Cambridge, Cambridge, UK
- University of Cambridge Molecular Immunity Unit, MRC Laboratory of Molecular Biology, Cambridge, UK
- Cambridge Centre for AI in Medicine, University of Cambridge, Cambridge, UK
- Department of Veterinary Medicine, University of Cambridge, Cambridge, UK
| | - Audrey Bernut
- Laboratory of Pathogens and Host Immunity (LPHI), UMR5235, CNRS/Université de Montpellier, Montpellier, France
| | - Stéphane Pont
- Laboratory of Pathogens and Host Immunity (LPHI), UMR5235, CNRS/Université de Montpellier, Montpellier, France
| | - Karen Brown
- Victor Phillip Dahdaleh Heart & Lung Research Institute, University of Cambridge, Cambridge, UK
- University of Cambridge Molecular Immunity Unit, MRC Laboratory of Molecular Biology, Cambridge, UK
- Cambridge Centre for Lung Infection, Royal Papworth Hospital, Cambridge, UK
| | - Judy Ryan
- Victor Phillip Dahdaleh Heart & Lung Research Institute, University of Cambridge, Cambridge, UK
- University of Cambridge Molecular Immunity Unit, MRC Laboratory of Molecular Biology, Cambridge, UK
| | - Lúcia Santos
- Department of Physiology, Bioscience Institute, University College Cork, Cork, Ireland
| | - Louise Ellison
- University of Cambridge Molecular Immunity Unit, MRC Laboratory of Molecular Biology, Cambridge, UK
| | - Emem Ukor
- University of Cambridge Molecular Immunity Unit, MRC Laboratory of Molecular Biology, Cambridge, UK
- Cambridge Centre for Lung Infection, Royal Papworth Hospital, Cambridge, UK
| | - Arun P Pandurangan
- Victor Phillip Dahdaleh Heart & Lung Research Institute, University of Cambridge, Cambridge, UK
- Department of Biochemistry, University of Cambridge, Cambridge, UK
- Department of Medicine, University of Cambridge, Cambridge, UK
| | - Sina Krokowski
- Victor Phillip Dahdaleh Heart & Lung Research Institute, University of Cambridge, Cambridge, UK
- University of Cambridge Molecular Immunity Unit, MRC Laboratory of Molecular Biology, Cambridge, UK
| | - Tom L Blundell
- Victor Phillip Dahdaleh Heart & Lung Research Institute, University of Cambridge, Cambridge, UK
- Department of Biochemistry, University of Cambridge, Cambridge, UK
- Department of Medicine, University of Cambridge, Cambridge, UK
| | - Martin Welch
- Department of Biochemistry, University of Cambridge, Cambridge, UK
| | - Beth Blane
- Department of Medicine, University of Cambridge, Cambridge, UK
| | - Kim Judge
- Wellcome Sanger Institute, Hinxton, UK
| | - Rachel Bousfield
- Department of Medicine, University of Cambridge, Cambridge, UK
- Cambridge University Hospitals Trust, Cambridge, UK
| | | | | | - Irena Kukavica-Ibrulj
- Institut de Biologie Intégrative et des Systèmes (IBIS), Université Laval, Québec City, Québec, Canada
| | - Giordano Rampioni
- Department of Science, University Roma Tre, Rome, Italy
- IRCCS Fondazione Santa Lucia, Rome, Italy
| | - Livia Leoni
- Department of Science, University Roma Tre, Rome, Italy
| | - Patrick T Harrison
- Department of Physiology, Bioscience Institute, University College Cork, Cork, Ireland
| | - Sharon J Peacock
- Department of Medicine, University of Cambridge, Cambridge, UK
- Cambridge University Hospitals Trust, Cambridge, UK
| | - Nicholas R Thomson
- Wellcome Sanger Institute, Hinxton, UK
- London School of Hygiene and Tropical Medicine, London, UK
| | - Jeff Gauthier
- Institut de Biologie Intégrative et des Systèmes (IBIS), Université Laval, Québec City, Québec, Canada
| | - Jo L Fothergill
- Department of Clinical Infection, Microbiology and Immunology, University of Liverpool, Liverpool, UK
| | - Roger C Levesque
- Institut de Biologie Intégrative et des Systèmes (IBIS), Université Laval, Québec City, Québec, Canada
| | - Julian Parkhill
- Department of Veterinary Medicine, University of Cambridge, Cambridge, UK
| | - R Andres Floto
- Victor Phillip Dahdaleh Heart & Lung Research Institute, University of Cambridge, Cambridge, UK
- University of Cambridge Molecular Immunity Unit, MRC Laboratory of Molecular Biology, Cambridge, UK
- Cambridge Centre for AI in Medicine, University of Cambridge, Cambridge, UK
- Cambridge Centre for Lung Infection, Royal Papworth Hospital, Cambridge, UK
- Department of Medicine, University of Cambridge, Cambridge, UK
- Cambridge University Hospitals Trust, Cambridge, UK
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3
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Zhao Z, Li H, Wei Y, Fang G, Jiang Q, Pang Y, Huang W, Tang M, Jing Y, Feng X, Luo XS, Berkemeier T. Airborne environmentally persistent free radicals (EPFRs) in PM 2.5 from combustion sources: Abundance, cytotoxicity and potential exposure risks. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 927:172202. [PMID: 38599399 DOI: 10.1016/j.scitotenv.2024.172202] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/21/2023] [Revised: 04/02/2024] [Accepted: 04/02/2024] [Indexed: 04/12/2024]
Abstract
As an emerging atmospheric pollutant, airborne environmentally persistent free radicals (EPFRs) are formed during many combustion processes and pose various adverse health effects. In health-oriented air pollution control, it is vital to evaluate the health effects of atmospheric fine particulate matter (PM2.5) from different emission sources. In this study, various types of combustion-derived PM2.5 were collected on filters in a partial-flow dilution tunnel sampling system from three typical emission sources: coal combustion, biomass burning, and automobile exhaust. Substantial concentrations of EPFRs were determined in PM2.5 samples and associated with significant potential exposure risks. Results from in vitro cytotoxicity and oxidative potential assays suggest that EPFRs may cause substantial generation of reactive oxygen species (ROS) upon inhalation exposure to PM2.5 from anthropogenic combustion sources, especially from automobile exhaust. This study provides important evidence for the source- and concentration-dependent health effects of EPFRs in PM2.5 and motivates further assessments to advance public health-oriented PM2.5 emission control.
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Affiliation(s)
- Zhen Zhao
- International Center for Ecology, Meteorology, and Environment, School of Ecology and Applied Meteorology, Nanjing University of Information Science & Technology, Nanjing 210044, China; Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China; Multiphase Chemistry Department, Max Planck Institute for Chemistry, 55128 Mainz, Germany
| | - Hanhan Li
- International Center for Ecology, Meteorology, and Environment, School of Ecology and Applied Meteorology, Nanjing University of Information Science & Technology, Nanjing 210044, China
| | - Yaqian Wei
- International Center for Ecology, Meteorology, and Environment, School of Ecology and Applied Meteorology, Nanjing University of Information Science & Technology, Nanjing 210044, China
| | - Guodong Fang
- Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008, China
| | - Qian Jiang
- Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008, China
| | - Yuting Pang
- International Center for Ecology, Meteorology, and Environment, School of Ecology and Applied Meteorology, Nanjing University of Information Science & Technology, Nanjing 210044, China; Zhejiang Institute of Meteorological Sciences, Hangzhou 310008, China
| | - Weijie Huang
- International Center for Ecology, Meteorology, and Environment, School of Ecology and Applied Meteorology, Nanjing University of Information Science & Technology, Nanjing 210044, China; Department of Environmental Science & Engineering, Fudan University, Shanghai 200433, China
| | - Mingwei Tang
- International Center for Ecology, Meteorology, and Environment, School of Ecology and Applied Meteorology, Nanjing University of Information Science & Technology, Nanjing 210044, China
| | - Yuanshu Jing
- International Center for Ecology, Meteorology, and Environment, School of Ecology and Applied Meteorology, Nanjing University of Information Science & Technology, Nanjing 210044, China
| | - Xinyuan Feng
- International Center for Ecology, Meteorology, and Environment, School of Ecology and Applied Meteorology, Nanjing University of Information Science & Technology, Nanjing 210044, China
| | - Xiao-San Luo
- International Center for Ecology, Meteorology, and Environment, School of Ecology and Applied Meteorology, Nanjing University of Information Science & Technology, Nanjing 210044, China.
| | - Thomas Berkemeier
- Multiphase Chemistry Department, Max Planck Institute for Chemistry, 55128 Mainz, Germany
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4
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Anand A, Castiglia E, Zamora ML. The Association Between Personal Air Pollution Exposures and Fractional Exhaled Nitric Oxide (FeNO): A Systematic Review. Curr Environ Health Rep 2024; 11:210-224. [PMID: 38386269 PMCID: PMC11180488 DOI: 10.1007/s40572-024-00430-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/19/2024] [Indexed: 02/23/2024]
Abstract
PURPOSE OF REVIEW Airway inflammation is a common biological response to many types of environmental exposures and can lead to increased nitric oxide (NO) concentrations in exhaled breath. In recent years, several studies have evaluated airway inflammation using fractional exhaled nitric oxide (FeNO) as a biomarker of exposures to a range of air pollutants. This systematic review aims to summarize the studies that collected personal-level air pollution data to assess the air pollution-induced FeNO responses and to determine if utilizing personal-level data resulted in an improved characterization of the relationship between air pollution exposures and FeNO compared to using only ambient air pollution exposure data. RECENT FINDINGS Thirty-six eligible studies were identified. Overall, the studies included in this review establish that an increase in personal exposure to particulate and gaseous air pollutants can significantly increase FeNO. Nine out of the 12 studies reported statistically significant FeNO increases with increasing personal PM2.5 exposures, and up to 11.5% increase in FeNO per IQR increase in exposure has also been reported between FeNO and exposure to gas-phase pollutants, such as ozone, NO2, and benzene. Furthermore, factors such as chronic respiratory diseases, allergies, and medication use were found to be effect modifiers for air pollution-induced FeNO responses. About half of the studies that compared the effect estimates using both personal and ambient air pollution exposure methods reported that only personal exposure yielded significant associations with FeNO response. The evidence from the reviewed studies confirms that FeNO is a sensitive biomarker for air pollutant-induced airway inflammation. Personal air pollution exposure assessment is recommended to accurately assess the air pollution-induced FeNO responses. Furthermore, comprehensive adjustments for the potential confounding factors including the personal exposures of the co-pollutants, respiratory disease status, allergy status, and usage of medications for asthma and allergies are recommended while assessing the air pollution-induced FeNO responses.
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Affiliation(s)
- Abhay Anand
- Department of Public Health Sciences, UConn School of Medicine, UConn Health, 263 Farmington Avenue, Farmington, CT, 06030-6325, USA
| | - Elliana Castiglia
- Department of Public Health Sciences, UConn School of Medicine, UConn Health, 263 Farmington Avenue, Farmington, CT, 06030-6325, USA
| | - Misti Levy Zamora
- Department of Public Health Sciences, UConn School of Medicine, UConn Health, 263 Farmington Avenue, Farmington, CT, 06030-6325, USA.
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5
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Koziel S, Pietrenko-Dabrowska A, Wojcikowski M, Pankiewicz B. Statistical data pre-processing and time series incorporation for high-efficacy calibration of low-cost NO 2 sensor using machine learning. Sci Rep 2024; 14:9152. [PMID: 38644408 PMCID: PMC11033258 DOI: 10.1038/s41598-024-59993-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2024] [Accepted: 04/17/2024] [Indexed: 04/23/2024] Open
Abstract
Air pollution stands as a significant modern-day challenge impacting life quality, the environment, and the economy. It comprises various pollutants like gases, particulate matter, biological molecules, and more, stemming from sources such as vehicle emissions, industrial operations, agriculture, and natural events. Nitrogen dioxide (NO2), among these harmful gases, is notably prevalent in densely populated urban regions. Given its adverse effects on health and the environment, accurate monitoring of NO2 levels becomes imperative for devising effective risk mitigation strategies. However, the precise measurement of NO2 poses challenges as it traditionally relies on costly and bulky equipment. This has prompted the development of more affordable alternatives, although their reliability is often questionable. The aim of this article is to introduce a groundbreaking method for precisely calibrating cost-effective NO2 sensors. This technique involves statistical preprocessing of low-cost sensor readings, aligning their distribution with reference data. Central to this calibration is an artificial neural network (ANN) surrogate designed to predict sensor correction coefficients. It utilizes environmental variables (temperature, humidity, atmospheric pressure), cross-references auxiliary NO2 sensors, and incorporates short time series of previous readings from the primary sensor. These methods are complemented by global data scaling. Demonstrated using a custom-designed cost-effective monitoring platform and high-precision public reference station data collected over 5 months, every component of our calibration framework proves crucial, contributing to its exceptional accuracy (with a correlation coefficient near 0.95 concerning the reference data and an RMSE below 2.4 µg/m3). This level of performance positions the calibrated sensor as a viable, cost-effective alternative to traditional monitoring approaches.
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Affiliation(s)
- Slawomir Koziel
- Engineering Optimization and Modeling Center, Reykjavik University, 102, Reykjavik, Iceland.
- Faculty of Electronics, Telecommunications and Informatics, Gdansk University of Technology, 80-233, Gdansk, Poland.
| | - Anna Pietrenko-Dabrowska
- Faculty of Electronics, Telecommunications and Informatics, Gdansk University of Technology, 80-233, Gdansk, Poland
| | - Marek Wojcikowski
- Faculty of Electronics, Telecommunications and Informatics, Gdansk University of Technology, 80-233, Gdansk, Poland
| | - Bogdan Pankiewicz
- Faculty of Electronics, Telecommunications and Informatics, Gdansk University of Technology, 80-233, Gdansk, Poland
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6
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Cheng PP, Yu F, Chen SJ, Feng X, Jia ZH, Hu SH, Cui XL, Zhou YY, Niu Q, Liang LM, Wang M, Song LJ, He XL, Xiong L, Xiang F, Wang X, Ma WL, Ye H. PM2.5 exposure-induced senescence-associated secretory phenotype in airway smooth muscle cells contributes to airway remodeling. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2024; 347:123674. [PMID: 38458517 DOI: 10.1016/j.envpol.2024.123674] [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: 10/16/2023] [Revised: 02/25/2024] [Accepted: 02/27/2024] [Indexed: 03/10/2024]
Abstract
Fine particulate matter (PM2.5) has been linked to increased severity and incidence of airway diseases, especially chronic obstructive pulmonary disease (COPD) and asthma. Airway remodeling is an important event in both COPD and asthma, and airway smooth muscle cells (ASMCs) are key cells which directly involved in airway remodeling. However, it was unclear how PM2.5 affected ASMCs. This study investigates the effects of PM2.5 on airway smooth muscle and its mechanism. We first showed that inhaled particulate matter was distributed in the airway smooth muscle bundle, combined with increased airway smooth muscle bundle and collagen deposition in vivo. Then, we demonstrated that PM2.5 induced up-regulation of collagen-I and alpha-smooth muscle actin (α-SMA) expression in rat and human ASMCs in vitro. Next, we found PM2.5 led to rat and human ASMCs senescence and exhibited senescence-associated secretory phenotype (SASP) by autophagy-induced GATA4/TRAF6/NF-κB signaling, which contributed to collagen-I and α-SMA synthesis as well as airway smooth muscle remodeling. Together, our results provided evidence that SASP induced by PM2.5 in airway smooth muscle cells prompted airway remodeling.
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Affiliation(s)
- Pei-Pei Cheng
- Department of Pathophysiology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Fan Yu
- Department of Respiratory and Critical Care Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China; Key Laboratory of Respiratory Diseases of National Health Commission of China, Wuhan, China
| | - Shuai-Jun Chen
- Department of Pathophysiology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Xiao Feng
- Department of Pathophysiology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Zi-Heng Jia
- Department of Respiratory and Critical Care Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Shi-He Hu
- Department of Pathophysiology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Xiao-Lin Cui
- Department of Pathophysiology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Ya-Ya Zhou
- Department of Respiratory and Critical Care Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Qian Niu
- Department of Respiratory and Critical Care Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Li-Mei Liang
- Department of Respiratory and Critical Care Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Meng Wang
- Department of Pathophysiology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Lin-Jie Song
- Department of Respiratory and Critical Care Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China; Key Laboratory of Respiratory Diseases of National Health Commission of China, Wuhan, China
| | - Xin-Liang He
- Department of Respiratory and Critical Care Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China; Key Laboratory of Respiratory Diseases of National Health Commission of China, Wuhan, China
| | - Liang Xiong
- Department of Respiratory and Critical Care Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China; Key Laboratory of Respiratory Diseases of National Health Commission of China, Wuhan, China
| | - Fei Xiang
- Department of Respiratory and Critical Care Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China; Key Laboratory of Respiratory Diseases of National Health Commission of China, Wuhan, China
| | - Xiaorong Wang
- Department of Respiratory and Critical Care Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China; Key Laboratory of Respiratory Diseases of National Health Commission of China, Wuhan, China
| | - Wan-Li Ma
- Department of Respiratory and Critical Care Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China; Key Laboratory of Respiratory Diseases of National Health Commission of China, Wuhan, China
| | - Hong Ye
- Department of Pathophysiology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China; Key Laboratory of Respiratory Diseases of National Health Commission of China, Wuhan, China.
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7
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Revand R, Dontham A, Sarkar S, Patil A. Subacute Exposure to Gaseous Pollutants from Diesel Engine Exhaust Attenuates Capsaicin-Induced Cardio-Pulmonary Reflex Responses Involving Oxidant Stress Mechanisms in Adult Wistar Rats. Cardiovasc Toxicol 2024; 24:396-407. [PMID: 38451349 DOI: 10.1007/s12012-024-09842-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/15/2023] [Accepted: 02/12/2024] [Indexed: 03/08/2024]
Abstract
Intravenous injection of capsaicin produces vagal-mediated protective cardio-pulmonary (CP) reflexes manifesting as tachypnea, bradycardia, and triphasic blood pressure (BP) response in anesthetized rats. Particulate matter from diesel engine exhaust has been reported to attenuate these reflexes. However, the effects of gaseous constituents of diesel exhaust are not known. Therefore, the present study was designed to investigate the effects of gaseous pollutants in diesel exhaust, on capsaicin-induced CP reflexes in rat model. Adult male rats were randomly assigned to three groups: Non-exposed (NE) group, filtered diesel exhaust-exposed (FDE) group and N-acetyl cysteine (NAC)-treated FDE group. FDE group of rats (n = 6) were exposed to filtered diesel exhaust for 5 h a day for 5 days (D1-D5), and were taken for dissection on day 6 (D6), while NE group of rats (n = 6) remained unexposed. On D6, rats were anesthetized, following which jugular vein was cannulated for injection of chemicals, and femoral artery was cannulated to record the BP. Lead II electrocardiogram and respiratory movements were also recorded. Results show that intravenous injection of capsaicin (0.1 ml; 10 µg/kg) produced immediate tachypneic, hyperventilatory, hypotensive, and bradycardiac responses in both NE and FDE groups of rats. However, these capsaicin-induced CP responses were significantly attenuated in FDE group as compared to the NE group of rats. Further, FDE-induced attenuation of capsaicin-evoked CP responses were diminished in the N-acetyl cysteine-treated FDE rats. These findings demonstrate that oxidant stress mechanisms could possibly be involved in inhibition of CP reflexes by gaseous pollutants in diesel engine exhaust.
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Affiliation(s)
- Ravindran Revand
- Department of Physiology, All India Institute of Medical Sciences, New Delhi, 110029, India
| | - Aditya Dontham
- Department of Physiology, All India Institute of Medical Sciences, New Delhi, 110029, India
| | - Swarnabha Sarkar
- Department of Physiology, All India Institute of Medical Sciences, New Delhi, 110029, India
| | - Asmita Patil
- Department of Physiology, All India Institute of Medical Sciences, New Delhi, 110029, India.
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8
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Mariscal-Aguilar P, Gómez-Carrera L, Bonilla G, Díaz-Almirón M, Gayá F, Carpio C, Zamarrón E, Fernández-Velilla M, Torres I, Esteban I, Regojo R, Villamañán E, Prados C, Álvarez-Sala R. Air pollution exposure and its effects on idiopathic pulmonary fibrosis: clinical worsening, lung function decline, and radiological deterioration. Front Public Health 2024; 11:1331134. [PMID: 38269380 PMCID: PMC10806203 DOI: 10.3389/fpubh.2023.1331134] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2023] [Accepted: 12/18/2023] [Indexed: 01/26/2024] Open
Abstract
Introduction Major urban pollutants have a considerable influence on the natural history of lung disease. However, this effect is not well known in idiopathic pulmonary fibrosis (IPF). Aim This study aimed to investigate the effects of air pollution on clinical worsening, lung function, and radiological deterioration in patients with IPF. Methods This exploratory retrospective cohort study included 69 patients with IPF, monitored from 2011 to 2020. Data on air pollution levels, including carbon monoxide (CO), nitrogen dioxide (NO2), particulate matter ≤ 2.5 μM (PM2.5), ozone (O3), and nitrogen oxides (NOx), were collected from the nearest air quality monitoring stations (<3.5 km from the patients' homes). Patient outcomes such as clinical worsening, lung function decline, and radiological deterioration were assessed over various exposure periods (1, 3, 6, 12, and 36 months). The statistical analyses were adjusted for various factors, including age, sex, smoking status, and treatment. Results There was an association between higher O3 levels and an increased likelihood of clinical worsening over 6 and 36 months of exposure (odds ratio [OR] and 95% confidence interval [CI] = 1.16 [1.01-1.33] and OR and 95% CI = 1.80 [1.07-3.01], respectively). Increased CO levels were linked to lung function decline over 12-month exposure periods (OR and 95% CI 1.63 = [1.01-2.63]). Lastly, radiological deterioration was significantly associated with higher CO, NO2, and NOx levels over 6-month exposure periods (OR and 95% CI = 2.14 [1.33-3.44], OR and 95% CI = 1.76 [1.15-2.66] and OR and 95% CI = 1.16 [1.03-1.3], respectively). Conclusion This study suggests that air pollution, specifically O3, CO, NO2, and NOx, could affect clinical worsening, lung function, and radiological outcomes in patients with IPF. These findings highlight the potential role of air pollution in the progression of IPF, emphasizing the need for further research and air quality control measures to mitigate its effects on respiratory health.
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Affiliation(s)
- Pablo Mariscal-Aguilar
- Department of Respiratory Medicine, Hospital Universitario La Paz, Madrid, Spain
- Instituto de investigación del Hospital Universitario La Paz (IdiPAZ), Madrid, Spain
| | - Luis Gómez-Carrera
- Department of Respiratory Medicine, Hospital Universitario La Paz, Madrid, Spain
- Instituto de investigación del Hospital Universitario La Paz (IdiPAZ), Madrid, Spain
- Universidad Autónoma de Madrid, Department of Medicine, Madrid, Spain
| | - Gema Bonilla
- Instituto de investigación del Hospital Universitario La Paz (IdiPAZ), Madrid, Spain
- Department of Rheumatology, Hospital Universitario La Paz, Madrid, Spain
| | - Mariana Díaz-Almirón
- Instituto de investigación del Hospital Universitario La Paz (IdiPAZ), Madrid, Spain
| | - Francisco Gayá
- Instituto de investigación del Hospital Universitario La Paz (IdiPAZ), Madrid, Spain
| | - Carlos Carpio
- Department of Respiratory Medicine, Hospital Universitario La Paz, Madrid, Spain
- Instituto de investigación del Hospital Universitario La Paz (IdiPAZ), Madrid, Spain
- Universidad Autónoma de Madrid, Department of Medicine, Madrid, Spain
| | - Ester Zamarrón
- Department of Respiratory Medicine, Hospital Universitario La Paz, Madrid, Spain
- Instituto de investigación del Hospital Universitario La Paz (IdiPAZ), Madrid, Spain
| | - María Fernández-Velilla
- Instituto de investigación del Hospital Universitario La Paz (IdiPAZ), Madrid, Spain
- Department of Radiology, Hospital Universitario La Paz, Madrid, Spain
| | - Isabel Torres
- Instituto de investigación del Hospital Universitario La Paz (IdiPAZ), Madrid, Spain
- Department of Radiology, Hospital Universitario La Paz, Madrid, Spain
| | - Isabel Esteban
- Instituto de investigación del Hospital Universitario La Paz (IdiPAZ), Madrid, Spain
- Department of Pathology, Hospital Universitario La Paz, Madrid, Spain
| | - Rita Regojo
- Instituto de investigación del Hospital Universitario La Paz (IdiPAZ), Madrid, Spain
- Department of Pathology, Hospital Universitario La Paz, Madrid, Spain
| | - Elena Villamañán
- Instituto de investigación del Hospital Universitario La Paz (IdiPAZ), Madrid, Spain
- Department of Pharmacy, Hospital Universitario La Paz, Madrid, Spain
| | - Concepción Prados
- Department of Respiratory Medicine, Hospital Universitario La Paz, Madrid, Spain
- Instituto de investigación del Hospital Universitario La Paz (IdiPAZ), Madrid, Spain
- Universidad Autónoma de Madrid, Department of Medicine, Madrid, Spain
| | - Rodolfo Álvarez-Sala
- Department of Respiratory Medicine, Hospital Universitario La Paz, Madrid, Spain
- Instituto de investigación del Hospital Universitario La Paz (IdiPAZ), Madrid, Spain
- Universidad Autónoma de Madrid, Department of Medicine, Madrid, Spain
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9
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Johnson M, Mazur L, Fisher M, Fraser WD, Sun L, Hystad P, Gandhi CK. Prenatal Exposure to Air Pollution and Respiratory Distress in Term Newborns: Results from the MIREC Prospective Pregnancy Cohort. ENVIRONMENTAL HEALTH PERSPECTIVES 2024; 132:17007. [PMID: 38271058 PMCID: PMC10810300 DOI: 10.1289/ehp12880] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/10/2023] [Revised: 11/03/2023] [Accepted: 12/11/2023] [Indexed: 01/27/2024]
Abstract
BACKGROUND Respiratory distress is the leading cause of neonatal morbidity and mortality worldwide, and prenatal exposure to air pollution is associated with adverse long-term respiratory outcomes; however, the impact of prenatal air pollution exposure on neonatal respiratory distress has not been well studied. OBJECTIVES We examined associations between prenatal exposures to fine particular matter (PM 2.5 ) and nitrogen dioxide (NO 2 ) with respiratory distress and related neonatal outcomes. METHODS We used data from the Maternal-Infant Research on Environmental Chemicals (MIREC) Study, a prospective pregnancy cohort (n = 2,001 ) recruited in the first trimester from 10 Canadian cities. Prenatal exposures to PM 2.5 (n = 1,321 ) and NO 2 (n = 1,064 ) were estimated using land-use regression and satellite-derived models coupled with ground-level monitoring and linked to participants based on residential location at birth. We calculated odds ratios (ORs) and 95% confidence intervals (CIs) for associations between air pollution and physician-diagnosed respiratory distress in term neonates in hierarchical logistic regression models adjusting for detailed maternal and infant covariates. RESULTS Approximately 7 % of newborns experienced respiratory distress. Neonates received clinical interventions including oxygen therapy (6%), assisted ventilation (2%), and systemic antibiotics (3%). Two percent received multiple interventions and 4% were admitted to the neonatal intensive care unit (NICU). Median PM 2.5 and NO 2 concentrations during pregnancy were 8.81 μ g / m 3 and 18.02 ppb , respectively. Prenatal exposures to air pollution were not associated with physician-diagnosed respiratory distress, oxygen therapy, or NICU admissions. However, PM 2.5 exposures were strongly associated with assisted ventilation (OR per 1 - μ g / m 3 increase in PM 2.5 = 1.17 ; 95% CI: 1.02, 1.35), multiple clinical interventions (OR per 1 - μ g / m 3 increase in PM 2.5 = 1.16 ; 95% CI: 1.07, 1.26), and systemic antibiotics, (OR per 1 - μ g / m 3 increase in PM 2.5 = 1.12 ; 95% CI: 1.04, 1.21). These associations were consistent across exposure periods-that is, during prepregnancy, individual trimesters, and total pregnancy-and robust to model specification. NO 2 exposure was associated with administration of systemic antibiotics (OR per 1-ppb increase in NO 2 = 1.03 ; 95% CI: 1.00, 1.06). DISCUSSION Prenatal exposures to PM 2.5 increased the risk of severe respiratory distress among term newborns. These findings support the development and prioritization of public health and prenatal care strategies to increase awareness and minimize prenatal exposures to air pollution. https://doi.org/10.1289/EHP12880.
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Affiliation(s)
- Markey Johnson
- Water and Air Quality Bureau, Health Canada, Ottawa, Ontario, Canada
| | - Lauren Mazur
- Department of Pediatrics, Penn State College of Medicine, Pennsylvania State University, Hershey, Pennsylvania, USA
| | - Mandy Fisher
- Environmental Health Sciences and Research Bureau, Health Canada, Ottawa, Ontario, Canada
| | - William D. Fraser
- Department of Obstetrics and Gynecology, Centre de Recherche du CHUS, University of Sherbrooke, Sherbrooke, Québec, Canada
| | - Liu Sun
- Water and Air Quality Bureau, Health Canada, Ottawa, Ontario, Canada
| | - Perry Hystad
- School of Biological and Population Health Sciences, Oregon State University, Corvallis, Oregon, USA
| | - Chintan K. Gandhi
- Department of Pediatrics, Penn State College of Medicine, Pennsylvania State University, Hershey, Pennsylvania, USA
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10
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Ikeda E, Hamilton J, Wood C, Chatzidiakou L, Warburton T, Ruangkanit A, Shao Y, Genes D, Waiblinger D, Yang TC, Giorio C, McFiggans G, O'Meara SP, Edwards P, Bates E, Shaw DR, Jones RL, Carslaw N, McEachan R. Understanding the patterns and health impact of indoor air pollutant exposures in Bradford, UK: a study protocol. BMJ Open 2023; 13:e081099. [PMID: 38056942 PMCID: PMC10711829 DOI: 10.1136/bmjopen-2023-081099] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/18/2023] [Accepted: 11/14/2023] [Indexed: 12/08/2023] Open
Abstract
INTRODUCTION Relative to outdoor air pollution, there is little evidence examining the composition and concentrations of indoor air pollution and its associated health impacts. The INGENIOUS project aims to provide the comprehensive understanding of indoor air pollution in UK homes. METHODS AND ANALYSIS 'Real Home Assessment' is a cross-sectional, multimethod study within INGENIOUS. This study monitors indoor air pollutants over 2 weeks using low-cost sensors placed in three rooms in 300 Born in Bradford (BiB) households. Building audits are completed by researchers, and participants are asked to complete a home survey and a health and behaviour questionnaire, in addition to recording household activities and health symptoms on at least 1 weekday and 1 weekend day. A subsample of 150 households will receive more intensive measurements of volatile organic compound and particulate matter for 3 days. Qualitative interviews conducted with 30 participants will identify key barriers and enablers of effective ventilation practices. Outdoor air pollution is measured in 14 locations across Bradford to explore relationships between indoor and outdoor air quality. Data will be analysed to explore total concentrations of indoor air pollutants, how these vary with building characteristics, and whether they are related to health symptoms. Interviews will be analysed through content and thematic analysis. ETHICS AND DISSEMINATION Ethical approval has been obtained from the NHS Health Research Authority Yorkshire and the Humber (Bradford Leeds) Research Ethics Committee (22/YH/0288). We will disseminate findings using our websites, social media, publications and conferences. Data will be open access through the BiB, the Open Science Framework and the UK Data Service.
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Affiliation(s)
- Erika Ikeda
- Bradford Institute for Health Research, Born in Bradford, Bradford Teaching Hospitals NHS Foundation Trust, Bradford, UK
| | - Jacqueline Hamilton
- Department of Chemistry, Wolfson Atmospheric Chemistry Laboratories, University of York, York, UK
| | - Chantelle Wood
- Department of Psychology, The University of Sheffield, Sheffield, UK
| | - Lia Chatzidiakou
- Yusuf Hamied Department of Chemistry, University of Cambridge, Cambridge, UK
| | - Thomas Warburton
- Department of Chemistry, Wolfson Atmospheric Chemistry Laboratories, University of York, York, UK
| | - Athina Ruangkanit
- Department of Chemistry, Wolfson Atmospheric Chemistry Laboratories, University of York, York, UK
| | - Yunqi Shao
- Department of Earth and Environmental Science, School of Natural Sciences, Centre for Atmospheric Science, The University of Manchester, Manchester, UK
| | - Denisa Genes
- Department of Psychology, The University of Sheffield, Sheffield, UK
| | - Dagmar Waiblinger
- Bradford Institute for Health Research, Born in Bradford, Bradford Teaching Hospitals NHS Foundation Trust, Bradford, UK
| | - Tiffany C Yang
- Bradford Institute for Health Research, Born in Bradford, Bradford Teaching Hospitals NHS Foundation Trust, Bradford, UK
| | - Chiara Giorio
- Yusuf Hamied Department of Chemistry, University of Cambridge, Cambridge, UK
| | - Gordon McFiggans
- Department of Earth and Environmental Science, School of Natural Sciences, Centre for Atmospheric Science, The University of Manchester, Manchester, UK
- National Centre for Atmospheric Science, University of York, York, UK
| | - Simon P O'Meara
- Department of Earth and Environmental Science, School of Natural Sciences, Centre for Atmospheric Science, The University of Manchester, Manchester, UK
- National Centre for Atmospheric Science, University of York, York, UK
| | - Pete Edwards
- Department of Chemistry, Wolfson Atmospheric Chemistry Laboratories, University of York, York, UK
- National Centre for Atmospheric Science, University of York, York, UK
| | - Elizabeth Bates
- City of Bradford Metropolitan District Council, Bradford, UK
| | - David R Shaw
- Department of Environment and Geography, University of York, York, UK
| | - Roderic L Jones
- Yusuf Hamied Department of Chemistry, University of Cambridge, Cambridge, UK
| | - Nicola Carslaw
- Department of Environment and Geography, University of York, York, UK
| | - Rosemary McEachan
- Bradford Institute for Health Research, Born in Bradford, Bradford Teaching Hospitals NHS Foundation Trust, Bradford, UK
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11
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Yu SE, Athni TS, Mitchell MB, Zhou X, Chiang S, Lee SE. The Impact of Ambient and Wildfire Air Pollution on Rhinosinusitis and Olfactory Dysfunction. Curr Allergy Asthma Rep 2023; 23:665-673. [PMID: 38047993 DOI: 10.1007/s11882-023-01110-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/27/2023] [Indexed: 12/05/2023]
Abstract
PURPOSE OF REVIEW With increasing industrialization, exposure to ambient and wildfire air pollution is projected to increase, necessitating further research to elucidate the complex relationship between exposure and sinonasal disease. This review aims to summarize the role of ambient and wildfire air pollution in chronic rhinosinusitis (CRS) and olfactory dysfunction and provide a perspective on gaps in the literature. RECENT FINDINGS Based on an emerging body of evidence, exposure to ambient air pollutants is correlated with the development of chronic rhinosinusitis in healthy individuals and increased symptom severity in CRS patients. Studies have also found a robust relationship between long-term exposure to ambient air pollutants and olfactory dysfunction. Ambient air pollution exposure is increasingly recognized to impact the development and sequelae of sinonasal pathophysiology. Given the rising number of wildfire events and worsening impacts of climate change, further study of the impact of wildfire-related air pollution is a crucial emerging field.
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Affiliation(s)
- Sophie E Yu
- Division of Otolaryngology-Head & Neck Surgery, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Tejas S Athni
- Division of Otolaryngology-Head & Neck Surgery, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Margaret B Mitchell
- Division of Otolaryngology-Head & Neck Surgery, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
- Department of Otolaryngology-Head & Neck Surgery, Massachusetts Eye & Ear, Boston, USA
| | - Xiaodan Zhou
- Department of Statistics, North Carolina State University, Raleigh, NC, USA
| | - Simon Chiang
- Division of Otolaryngology-Head & Neck Surgery, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Stella E Lee
- Division of Otolaryngology-Head & Neck Surgery, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA.
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12
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Sanjari Nia AH, Reyhani Ardabili M, Sheikhvand M, Bagheri-Mohammadi S, Niknejad H, Rasoulzadeh H, Movafagh A, Kharazi Neghad S, Baniasadi M, Ashrafi Asgarabad A, Hosseini Neiresi SM, Aghaei-Zarch SM. Non-coding RNAs: A new frontier in benzene-mediated toxicity. Toxicology 2023; 500:153660. [PMID: 37924934 DOI: 10.1016/j.tox.2023.153660] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2023] [Revised: 10/26/2023] [Accepted: 10/28/2023] [Indexed: 11/06/2023]
Abstract
One of the most frequent environmental contaminants, benzene is still widely used as an industrial solvent around the world, especially in developing nations, posing a serious occupational risk. While the processes behind the toxicity of benzene grounds are not fully understood, it is generally accepted that its metabolism, which involves one or more reactive metabolites, is crucial to its toxicity. In order to evaluate the many ways that benzene could influence gene regulation and thus have an impact on human health, new methodologies have been created. The pathophysiology of the disorder may result from epigenetic reprogramming caused by exposure to benzene, including changes in non-coding RNA (ncRNA) markers, according to recent studies. We are interested in the identification of hazardous regulatory ncRNAs, the identification of these ncRNAs' targets, and the comprehension of the significance of these interactions in the mechanisms behind benzene toxicity. Hence, the focus of recent research is on long non-coding RNAs (lncRNAs), circular RNAs (circRNAs) and microRNAs (miRNAs), and some of the more pertinent articles are also discussed.
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Affiliation(s)
- Amir Hosein Sanjari Nia
- Division of Animal Sciences, Department of Biological Sciences and Technology, University of Isfahan, Isfahan, Iran
| | - Mehran Reyhani Ardabili
- Department of Medical Genetics, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Maryam Sheikhvand
- Department of Biology, Science and Research Branch, Islamic Azad University, Tehran, Iran
| | - Saeid Bagheri-Mohammadi
- Department of Physiology, School of Medicine, Mazandaran University of Medical Sciences, Sari, Iran
| | - Hadi Niknejad
- Department of Environmental Health Engineering, School of Public Health and Safety, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Hassan Rasoulzadeh
- Department of Environmental Health Engineering, School of Public Health, Bam University of Medical Sciences, Bam, Iran; Department of Environmental Health Engineering, Maragheh University of Medical Sciences, Maragheh, Iran.
| | - Abolfazl Movafagh
- Department of Medical Genetics, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
| | | | - Mohammad Baniasadi
- Department of Epidemiology, School of Health, Bam University of Medical Sciences, Bam, Iran
| | - Ahad Ashrafi Asgarabad
- Department of Epidemiology, School of Health, Bam University of Medical Sciences, Bam, Iran
| | - Seyedeh Mobina Hosseini Neiresi
- Department of Cell and Molecular Biology, School of Life Sciences and Biotechnology, Shahid Beheshti University, Tehran, Iran
| | - Seyed Mohsen Aghaei-Zarch
- Department of Medical Genetics, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
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13
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Gonzalez-Ramos S, Wang J, Cho JM, Zhu E, Park SK, In JG, Reddy ST, Castillo EF, Campen MJ, Hsiai TK. Integrating 4-D light-sheet fluorescence microscopy and genetic zebrafish system to investigate ambient pollutants-mediated toxicity. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 902:165947. [PMID: 37543337 PMCID: PMC10659062 DOI: 10.1016/j.scitotenv.2023.165947] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/25/2023] [Revised: 07/28/2023] [Accepted: 07/29/2023] [Indexed: 08/07/2023]
Abstract
Ambient air pollutants, including PM2.5 (aerodynamic diameter d ~2.5 μm), PM10 (d ~10 μm), and ultrafine particles (UFP: d < 0.1 μm) impart both short- and long-term toxicity to various organs, including cardiopulmonary, central nervous, and gastrointestinal systems. While rodents have been the principal animal model to elucidate air pollution-mediated organ dysfunction, zebrafish (Danio rerio) is genetically tractable for its short husbandry and life cycle to study ambient pollutants. Its electrocardiogram (ECG) resembles that of humans, and the fluorescent reporter-labeled tissues in the zebrafish system allow for screening a host of ambient pollutants that impair cardiovascular development, organ regeneration, and gut-vascular barriers. In parallel, the high spatiotemporal resolution of light-sheet fluorescence microscopy (LSFM) enables investigators to take advantage of the transparent zebrafish embryos and genetically labeled fluorescent reporters for imaging the dynamic cardiac structure and function at a single-cell resolution. In this context, our review highlights the integrated strengths of the genetic zebrafish system and LSFM for high-resolution and high-throughput investigation of ambient pollutants-mediated cardiac and intestinal toxicity.
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Affiliation(s)
- Sheila Gonzalez-Ramos
- Division of Cardiology, Department of Medicine, David Geffen School of Medicine at University of California, Los Angeles, CA, USA; Department of Bioengineering, School of Engineering & Applied Science, University of California, Los Angeles, CA, USA
| | - Jing Wang
- Department of Bioengineering, School of Engineering & Applied Science, University of California, Los Angeles, CA, USA
| | - Jae Min Cho
- Division of Cardiology, Department of Medicine, David Geffen School of Medicine at University of California, Los Angeles, CA, USA
| | - Enbo Zhu
- Division of Cardiology, Department of Medicine, David Geffen School of Medicine at University of California, Los Angeles, CA, USA
| | - Seul-Ki Park
- Division of Cardiology, Department of Medicine, David Geffen School of Medicine at University of California, Los Angeles, CA, USA
| | - Julie G In
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, University of New Mexico Health Sciences Center, Albuquerque, NM, USA
| | - Srinivasa T Reddy
- Division of Cardiology, Department of Medicine, David Geffen School of Medicine at University of California, Los Angeles, CA, USA; Department of Molecular and Medical Pharmacology, University of California, Los Angeles, CA, USA; Molecular Toxicology Interdepartmental Degree Program, Fielding School of Public Health, University of California, Los Angeles, CA, USA
| | - Eliseo F Castillo
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, University of New Mexico Health Sciences Center, Albuquerque, NM, USA
| | - Matthew J Campen
- Department of Pharmaceutical Sciences, College of Pharmacy, University of New Mexico Health Sciences Center, Albuquerque, NM, USA
| | - Tzung K Hsiai
- Division of Cardiology, Department of Medicine, David Geffen School of Medicine at University of California, Los Angeles, CA, USA; Department of Bioengineering, School of Engineering & Applied Science, University of California, Los Angeles, CA, USA; Greater Los Angeles VA Healthcare System, Department of Medicine, Los Angeles, California, USA.
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14
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Qian Y, Cai C, Sun M, Lv D, Zhao Y. Analyses of Factors Associated with Acute Exacerbations of Chronic Obstructive Pulmonary Disease: A Review. Int J Chron Obstruct Pulmon Dis 2023; 18:2707-2723. [PMID: 38034468 PMCID: PMC10683659 DOI: 10.2147/copd.s433183] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2023] [Accepted: 11/09/2023] [Indexed: 12/02/2023] Open
Abstract
Acute exacerbations of chronic obstructive pulmonary disease (AECOPD) is the exacerbation of a range of respiratory symptoms during the stable phase of chronic obstructive pulmonary disease (COPD). AECOPD is thus a dangerous stage and key event in the course of COPD, as its deterioration and frequency seriously affects the quality of life of patients and shortens their survival. Acute exacerbations occur and develop due to many factors such as infection, tobacco smoke inhalation, air pollution, comorbidities, airflow limitation, various biomarkers, history of previous deterioration, natural killer cell abnormalities, immunoglobulin G deficiency, genetics, abnormal muscle and nutritional status, negative psychology, and seasonal temperature changes. There is relatively limited research on the impact of the role of standardized management on the alleviation of AECOPD. However, with the establishment of relevant prevention and management systems and the promotion of artificial intelligence technology and Internet medical approaches, long-term effective and standardized management of COPD patients may help to achieve the quality of life and disease prognosis in COPD patients and reduce the risk of AE.
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Affiliation(s)
- Yang Qian
- The First Affiliated Hospital of Ningbo University, Ningbo, People’s Republic of China
| | - Chenting Cai
- The First Affiliated Hospital of Ningbo University, Ningbo, People’s Republic of China
| | - Mengqing Sun
- The First Affiliated Hospital of Ningbo University, Ningbo, People’s Republic of China
| | - Dan Lv
- The First Affiliated Hospital of Ningbo University, Ningbo, People’s Republic of China
| | - Yun Zhao
- The First Affiliated Hospital of Ningbo University, Ningbo, People’s Republic of China
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15
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Bonomo S, Marchetti P, Fasola S, Vesentini R, Marcon A, Ferrante G, Antonicelli L, Battaglia S, Bono R, Squillacioti G, Murgia N, Pirina P, Villani S, La Grutta S, Verlato G, Viegi G. Asthma incidence can be influenced by climate change in Italy: findings from the GEIRD study-a climatological and epidemiological assessment. Sci Rep 2023; 13:19047. [PMID: 37923929 PMCID: PMC10624678 DOI: 10.1038/s41598-023-46423-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2023] [Accepted: 10/31/2023] [Indexed: 11/06/2023] Open
Abstract
An association between climatic conditions and asthma incidence has been widely assumed. However, it is unclear whether climatic variations have a fingerprint on asthma dynamics over long time intervals. The aim of this study is to detect a possible correlation of the Summer North Atlantic Oscillation (S-NAO) index and the self-calibrated palmer drought severity index (scPDSI) with asthma incidence over the period from 1957 to 2006 in Italy. To this aim, an analysis of non-stationary and non-linear signals was performed on the time series of the Italian databases on respiratory health (ISAYA and GEIRD) including 36,255 individuals overall, S-NAO, and scPDSI indices to search for characteristic periodicities. The ISAYA (Italian Study on Asthma in Young Adults) and GEIRD (Gene Environment Interactions in Respiratory Diseases) studies collected information on respiratory health in general population samples, born between 1925 and 1989 and aged 20-84 years at the time of the interview, from 13 Italian centres. We found that annual asthma total incidence shared the same periodicity throughout the 1957-2006 time interval. Asthma incidence turned out to be correlated with the dynamics of the scPDSI, modulated by the S-NAO, sharing the same averaged 6 year-periodicity. Since climate patterns appear to influence asthma incidence, future studies aimed at elucidating the complex relationships between climate and asthma incidence are warranted.
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Affiliation(s)
- S Bonomo
- CNR Institute of Environmental Geology and Geo-Engineering (CNR-IGAG), Montelibretti, Rome, Italy.
| | - P Marchetti
- Department of Diagnostics and Public Health, University of Verona, Verona, Italy
| | - S Fasola
- CNR Institute of Translational Pharmacology (CNR-IFT), Palermo, Italy
| | - R Vesentini
- Department of Diagnostics and Public Health, University of Verona, Verona, Italy
| | - A Marcon
- Department of Diagnostics and Public Health, University of Verona, Verona, Italy
| | - G Ferrante
- Department of Surgical Sciences, Dentistry, Gynecology and Pediatrics, University of Verona, Verona, Italy
| | | | - S Battaglia
- Dipartimento PROMISE, University of Palermo, Palermo, Italy
| | - R Bono
- Department of Public Health and Pediatrics, University of Turin, Turin, Italy
| | - G Squillacioti
- Department of Public Health and Pediatrics, University of Turin, Turin, Italy
| | - N Murgia
- Department of Environmental and Prevention Sciences, University of Ferrara, Ferrara, Italy
| | - P Pirina
- Respiratory Unit, Sassari University, Sassari, Italy
| | - S Villani
- Department of Public Health, Experimental and Forensic Medicine, University of Pavia, Pavia, Italy
| | - S La Grutta
- CNR Institute of Translational Pharmacology (CNR-IFT), Palermo, Italy
| | - G Verlato
- Department of Diagnostics and Public Health, University of Verona, Verona, Italy
| | - G Viegi
- CNR Institute of Clinical Physiology (CNR-IFC), Pisa, Italy
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16
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Lee J, Weerasinghe-Mudiyanselage PDE, Kim B, Kang S, Kim JS, Moon C. Particulate matter exposure and neurodegenerative diseases: A comprehensive update on toxicity and mechanisms. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2023; 266:115565. [PMID: 37832485 DOI: 10.1016/j.ecoenv.2023.115565] [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: 08/11/2023] [Revised: 09/30/2023] [Accepted: 10/08/2023] [Indexed: 10/15/2023]
Abstract
Exposure to particulate matter (PM) has been associated with a range of health impacts, including neurological abnormalities that affect neurodevelopment, neuroplasticity, and behavior. Recently, there has been growing interest in investigating the possible relationship between PM exposure and the onset and progression of neurodegenerative diseases, such as Alzheimer's disease, Parkinson's disease, Huntington's disease, and multiple sclerosis. However, the precise mechanism by which PM affects neurodegeneration is still unclear, even though several epidemiological and animal model studies have provided mechanistic insights. This article presents a review of the current research on the neurotoxicity of PM and its impact on neurodegenerative diseases. This review summarizes findings from epidemiological and animal model studies collected through searches in Google Scholar, PubMed, Web of Science, and Scopus. This review paper also discusses the reported effects of PM exposure on the central nervous system and highlights research gaps and future directions. The information presented in this review may inform public health policies aimed at reducing PM exposure and may contribute to the development of new treatments for neurodegenerative diseases. Further mechanistic and therapeutic research will be needed to fully understand the relationship between PM exposure and neurodegenerative diseases.
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Affiliation(s)
- Jeongmin Lee
- Department of Veterinary Anatomy and Animal Behavior, College of Veterinary Medicine and BK21 FOUR program, Chonnam National University, Gwangju 61186, South Korea
| | - Poornima D E Weerasinghe-Mudiyanselage
- Department of Veterinary Anatomy and Animal Behavior, College of Veterinary Medicine and BK21 FOUR program, Chonnam National University, Gwangju 61186, South Korea
| | - Bohye Kim
- Department of Veterinary Anatomy and Animal Behavior, College of Veterinary Medicine and BK21 FOUR program, Chonnam National University, Gwangju 61186, South Korea
| | - Sohi Kang
- Department of Veterinary Anatomy and Animal Behavior, College of Veterinary Medicine and BK21 FOUR program, Chonnam National University, Gwangju 61186, South Korea
| | - Joong-Sun Kim
- Department of Veterinary Anatomy and Animal Behavior, College of Veterinary Medicine and BK21 FOUR program, Chonnam National University, Gwangju 61186, South Korea
| | - Changjong Moon
- Department of Veterinary Anatomy and Animal Behavior, College of Veterinary Medicine and BK21 FOUR program, Chonnam National University, Gwangju 61186, South Korea.
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17
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Kim BG, Lee PH, Hong J, Jang AS. Analyzing the Impact of Diesel Exhaust Particles on Lung Fibrosis Using Dual PCR Array and Proteomics: YWHAZ Signaling. TOXICS 2023; 11:859. [PMID: 37888708 PMCID: PMC10611312 DOI: 10.3390/toxics11100859] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/12/2023] [Revised: 10/12/2023] [Accepted: 10/12/2023] [Indexed: 10/28/2023]
Abstract
Air pollutants are associated with exacerbations of asthma, chronic bronchitis, and airway inflammation. Diesel exhaust particles (DEPs) can induce and worsen lung diseases. However, there are insufficient data to guide polymerase chain reaction (PCR) array proteomics studies regarding the impacts of DEPs on respiratory diseases. This study was performed to identify genes and proteins expressed in normal human bronchial epithelial (NHBE) cells. MicroRNAs (miRNAs) and proteins expressed in NHBE cells exposed to DEPs at 1 μg/cm2 for 8 h and 24 h were identified using PCR array analysis and 2D PAGE/LC-MS/MS, respectively. YWHAZ gene expression was estimated using PCR, immunoblotting, and immunohistochemical analyses. Genes discovered through an overlap analysis were validated in DEP-exposed mice. Proteomics approaches showed that exposing NHBE cells to DEPs led to changes in 32 protein spots. A transcriptomics PCR array analysis showed that 6 of 84 miRNAs were downregulated in the DEP exposure groups compared to controls. The mRNA and protein expression levels of YWHAZ, β-catenin, vimentin, and TGF-β were increased in DEP-treated NHBE cells and DEP-exposed mice. Lung fibrosis was increased in mice exposed to DEPs. Our combined PCR array-omics analysis demonstrated that DEPs can induce airway inflammation and lead to lung fibrosis through changes in the expression levels of YWHAZ, β-catenin, vimentin, and TGF-β. These findings suggest that dual approaches can help to identify biomarkers and therapeutic targets involved in pollutant-related respiratory diseases.
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Affiliation(s)
| | | | | | - An-Soo Jang
- Division of Allergy and Respiratory Medicine, Department of Internal Medicine, Soonchunhyang University Bucheon Hospital, 170 Jomaru-ro, Wonmi-gu, Bucheon 14584, Republic of Korea; (B.-G.K.)
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18
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Liao H, Chen S, Xu S, Lv Y, Liu W, Xu H. Acute effects of ambient air pollution exposure on lung function in the elderly in Hangzhou, China. INTERNATIONAL JOURNAL OF ENVIRONMENTAL HEALTH RESEARCH 2023; 33:1022-1032. [PMID: 35469508 DOI: 10.1080/09603123.2022.2067523] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/02/2022] [Accepted: 04/13/2022] [Indexed: 06/14/2023]
Abstract
Evidence of an association between acute air pollution exposure and lung function in the elderly is limited. This study is cross-sectional. We quantified the effects of air pollution exposure on lung function among 256 elderly by using a linear mixed model. The results revealed that air pollutants had lag effects on lung function after adjusting for confounders. PM2.5 (Lag03, Lag 03 was defined three-day moving average, and so forth), PM10, NO2 (Lag04-Lag05) were significantly associated with reduced FEV1. PM2.5 (Lag01-Lag02), PM10 (Lag0-Lag07), NO2 (Lag0, Lag04), and SO2 (Lag0) were significantly associated with reduced Forced vital capacity (FVC). PM2.5 (Lag04-Lag07) and NO2 (Lag01-Lag07) were significantly associated with reduced FEF25%-75%. The results showed the adverse change was stronger after adjusting for other pollutants in the PM models, and women were more susceptible to air pollutants. Therefore, we should pay attention to the problem of air pollution in the elderly, especially in women.
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Affiliation(s)
- Hui Liao
- School of Public Health, Zhejiang Chinese Medical University, Hangzhou, Zhejiang, China
| | - Shuchang Chen
- Department of Environmental Health, Hangzhou Center for Disease Control and Prevention, Hangzhou, Zhejiang, China
| | - Shanshan Xu
- Department of Environmental Health, Hangzhou Center for Disease Control and Prevention, Hangzhou, Zhejiang, China
| | - Ye Lv
- Department of Environmental Health, Hangzhou Center for Disease Control and Prevention, Hangzhou, Zhejiang, China
| | - Weiyan Liu
- Department of Environmental Health, Hangzhou Center for Disease Control and Prevention, Hangzhou, Zhejiang, China
| | - Hong Xu
- School of Public Health, Zhejiang Chinese Medical University, Hangzhou, Zhejiang, China
- Department of Environmental Health, Hangzhou Center for Disease Control and Prevention, Hangzhou, Zhejiang, China
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19
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Buculei I, Dobrin ME, Matei D, Onu I, Cioroiu IB, Caba B, Postelnicu MG, Buhociu DH, Musat CL, Crisan-Dabija R, Cernomaz AT, Trofor AC. HPLC Analysis and Risk Assessment of 15 Priority PAHs in Human Blood Serum of COPD Patient from Urban and Rural Areas, Iasi (Romania). J Pers Med 2023; 13:1290. [PMID: 37763058 PMCID: PMC10532781 DOI: 10.3390/jpm13091290] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2023] [Revised: 08/03/2023] [Accepted: 08/14/2023] [Indexed: 09/29/2023] Open
Abstract
One of the leading risk factors for environmental health problems is air pollution. The World Health Organization (WHO) reports that this risk factor is associated with one of every nine deaths worldwide. Epidemiological studies conducted in this field have shown a solid connection between respiratory pathology and polycyclic aromatic hydrocarbon (PAH) exposure. COPD and asthma are respiratory diseases that were shown to have a strong association with exposure to PAHs. The purpose of the present study was to assess the serum levels of 15 PAHs in 102 COPD patients and to evaluate the results according to the residence environment of the investigated subjects. Analyses were carried out using a high-performance liquid chromatograph Nexera X2-Shimadzu Japan, which was equipped with an LC-30AD pump and an SIL-30AC autosampler. Spiked matrices, procedure blanks, spiked controls, and calibration standards in the acetonitrile were used as quality-assurance samples. Benzo(a)pyrene is the main representative of PAHs and was determined in higher concentrations in subjects with COPD versus the control group from the urban area (0.90/0.47 ng/mL) and rural area (0.73/0.44 ng/mL). The values obtained for the Benzo(a)pyrene-equivalent factor indicate a higher carcinogenic potential for patients diagnosed with COPD in urban areas compared to those in rural areas. These results could be due to traffic and vehicle emissions. This research identifies the need for legislative action to decrease semi-volatile organic compounds, especially PAHs, mainly in urban cities, in order to improve environmental management and health conditions.
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Affiliation(s)
- Ioana Buculei
- Doctoral School, Faculty of Medicine, University of Medicine and Pharmacy “Grigore T. Popa”, 700115 Iasi, Romania
| | | | - Daniela Matei
- Department of Biomedical Sciences, Faculty of Medical Bioengineering, University of Medicine and Pharmacy “Grigore T. Popa”, 700115 Iasi, Romania
| | - Ilie Onu
- Department of Biomedical Sciences, Faculty of Medical Bioengineering, University of Medicine and Pharmacy “Grigore T. Popa”, 700115 Iasi, Romania
- Doctoral School of the Faculty of Chemical Engineering and Environmental Protection “Cristofor Simionescu”, Technical University “Gheorghe Asachi”, 700050 Iasi, Romania
| | - Ionel Bogdan Cioroiu
- Romanian Academy, Iasi Branch, Research Center for Oenology, 700505 Iasi, Romania
| | - Bogdan Caba
- Department of Biomedical Sciences, Faculty of Medical Bioengineering, University of Medicine and Pharmacy “Grigore T. Popa”, 700115 Iasi, Romania
| | - Mădălina-Gabriela Postelnicu
- Department of Sports Games and Physical Education, Faculty of Physical Education and Sport, “Dunărea de Jos” University of Galați, 800008 Galati, Romania
| | - Dragos-Horia Buhociu
- Doctoral School of Urban Planning, Ion Mincu’ University of Architecture and Urban Planning, 010014 Bucharest, Romania
| | - Carmina Liana Musat
- Department of Morphological and Functional Sciences, Faculty of Medicine and Pharmacy, “Dunărea de Jos” University of Galati, 800008 Galati, Romania
| | - Radu Crisan-Dabija
- Faculty of Medicine, University of Medicine and Pharmacy “Grigore T. Popa”, 700115 Iasi, Romania
- Pulmonology Department, Clinic of Pulmonary Diseases, 700115 Iasi, Romania
| | - Andrei Tudor Cernomaz
- Faculty of Medicine, University of Medicine and Pharmacy “Grigore T. Popa”, 700115 Iasi, Romania
| | - Antigona Carmen Trofor
- Faculty of Medicine, University of Medicine and Pharmacy “Grigore T. Popa”, 700115 Iasi, Romania
- Pulmonology Department, Clinic of Pulmonary Diseases, 700115 Iasi, Romania
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20
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Refsnes M, Skuland T, Jørgensen R, Sæter-Grytting V, Snilsberg B, Øvrevik J, Holme JA, Låg M. Role of different mechanisms in pro-inflammatory responses triggered by traffic-derived particulate matter in human bronchiolar epithelial cells. Part Fibre Toxicol 2023; 20:31. [PMID: 37537647 PMCID: PMC10399033 DOI: 10.1186/s12989-023-00542-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2023] [Accepted: 07/13/2023] [Indexed: 08/05/2023] Open
Abstract
BACKGROUND Traffic-derived particles are important contributors to the adverse health effects of ambient particulate matter (PM). In Nordic countries, mineral particles from road pavement and diesel exhaust particles (DEP) are important constituents of traffic-derived PM. In the present study we compared the pro-inflammatory responses of mineral particles and DEP to PM from two road tunnels, and examined the mechanisms involved. METHODS The pro-inflammatory potential of 100 µg/mL coarse (PM10-2.5), fine (PM2.5-0.18) and ultrafine PM (PM0.18) sampled in two road tunnels paved with different stone materials was assessed in human bronchial epithelial cells (HBEC3-KT), and compared to DEP and particles derived from the respective stone materials. Release of pro-inflammatory cytokines (CXCL8, IL-1α, IL-1β) was measured by ELISA, while the expression of genes related to inflammation (COX2, CXCL8, IL-1α, IL-1β, TNF-α), redox responses (HO-1) and metabolism (CYP1A1, CYP1B1, PAI-2) was determined by qPCR. The roles of the aryl hydrocarbon receptor (AhR) and reactive oxygen species (ROS) were examined by treatment with the AhR-inhibitor CH223191 and the anti-oxidant N-acetyl cysteine (NAC). RESULTS Road tunnel PM caused time-dependent increases in expression of CXCL8, COX2, IL-1α, IL-1β, TNF-α, COX2, PAI-2, CYP1A1, CYP1B1 and HO-1, with fine PM as more potent than coarse PM at early time-points. The stone particle samples and DEP induced lower cytokine release than all size-fractionated PM samples for one tunnel, and versus fine PM for the other tunnel. CH223191 partially reduced release and expression of IL-1α and CXCL8, and expression of COX2, for fine and coarse PM, depending on tunnel, response and time-point. Whereas expression of CYP1A1 was markedly reduced by CH223191, HO-1 expression was not affected. NAC reduced the release and expression of IL-1α and CXCL8, and COX2 expression, but augmented expression of CYP1A1 and HO-1. CONCLUSIONS The results indicate that the pro-inflammatory responses of road tunnel PM in HBEC3-KT cells are not attributed to the mineral particles or DEP alone. The pro-inflammatory responses seem to involve AhR-dependent mechanisms, suggesting a role for organic constituents. ROS-mediated mechanisms were also involved, probably through AhR-independent pathways. DEP may be a contributor to the AhR-dependent responses, although other sources may be of importance.
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Affiliation(s)
- Magne Refsnes
- Department of Air quality and Noise, Division of Climate and Environmental Health, Norwegian Institute of Public Health, PO Box 222, Skøyen, Oslo, 0213, Norway
| | - Tonje Skuland
- Department of Air quality and Noise, Division of Climate and Environmental Health, Norwegian Institute of Public Health, PO Box 222, Skøyen, Oslo, 0213, Norway
| | - Rikke Jørgensen
- Department of Industrial Economics and Technology Management, Norwegian University of Science and Technology, NTNU, Trondheim, Norway
| | - Vegard Sæter-Grytting
- Department of Air quality and Noise, Division of Climate and Environmental Health, Norwegian Institute of Public Health, PO Box 222, Skøyen, Oslo, 0213, Norway
| | | | - Johan Øvrevik
- Department of Biosciences, Faculty of Mathematics and Natural Sciences, University of Oslo, Oslo, Norway
- Division of Climate and Environmental Health, Norwegian Institute of Public Health, Oslo, Norway
| | - Jørn A Holme
- Department of Air quality and Noise, Division of Climate and Environmental Health, Norwegian Institute of Public Health, PO Box 222, Skøyen, Oslo, 0213, Norway
| | - Marit Låg
- Department of Air quality and Noise, Division of Climate and Environmental Health, Norwegian Institute of Public Health, PO Box 222, Skøyen, Oslo, 0213, Norway.
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21
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Woodward SM, Mork D, Wu X, Hou Z, Braun D, Dominici F. Combining aggregate and individual-level data to estimate individual-level associations between air pollution and COVID-19 mortality in the United States. PLOS GLOBAL PUBLIC HEALTH 2023; 3:e0002178. [PMID: 37531330 PMCID: PMC10395946 DOI: 10.1371/journal.pgph.0002178] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/13/2023] [Accepted: 06/21/2023] [Indexed: 08/04/2023]
Abstract
Imposing stricter regulations for PM2.5 has the potential to mitigate damaging health and climate change effects. Recent evidence establishing a link between exposure to air pollution and COVID-19 outcomes is one of many arguments for the need to reduce the National Ambient Air Quality Standards (NAAQS) for PM2.5. However, many studies reporting a relationship between COVID-19 outcomes and PM2.5 have been criticized because they are based on ecological regression analyses, where area-level counts of COVID-19 outcomes are regressed on area-level exposure to air pollution and other covariates. It is well known that regression models solely based on area-level data are subject to ecological bias, i.e., they may provide a biased estimate of the association at the individual-level, due to within-area variability of the data. In this paper, we augment county-level COVID-19 mortality data with a nationally representative sample of individual-level covariate information from the American Community Survey along with high-resolution estimates of PM2.5 concentrations obtained from a validated model and aggregated to the census tract for the contiguous United States. We apply a Bayesian hierarchical modeling approach to combine county-, census tract-, and individual-level data to ultimately draw inference about individual-level associations between long-term exposure to PM2.5 and mortality for COVID-19. By analyzing data prior to the Emergency Use Authorization for the COVID-19 vaccines we found that an increase of 1 μg/m3 in long-term PM2.5 exposure, averaged over the 17-year period 2000-2016, is associated with a 3.3% (95% credible interval, 2.8 to 3.8%) increase in an individual's odds of COVID-19 mortality. Code to reproduce our study is publicly available at https://github.com/NSAPH/PM_COVID_ecoinference. The results confirm previous evidence of an association between long-term exposure to PM2.5 and COVID-19 mortality and strengthen the case for tighter regulations on harmful air pollution and greenhouse gas emissions.
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Affiliation(s)
- Sophie M. Woodward
- Department of Biostatistics, Harvard T.H. Chan School of Public Health, Boston, Massachusetts, United States of America
| | - Daniel Mork
- Department of Biostatistics, Harvard T.H. Chan School of Public Health, Boston, Massachusetts, United States of America
| | - Xiao Wu
- Department of Biostatistics, Columbia University, New York, New York, United States of America
| | - Zhewen Hou
- Department of Statistics, Columbia University, New York, New York, United States of America
| | - Danielle Braun
- Department of Biostatistics, Harvard T.H. Chan School of Public Health, Boston, Massachusetts, United States of America
- Department of Data Science, Dana-Farber Cancer Institute, Boston, Massachusetts, United States of America
| | - Francesca Dominici
- Department of Biostatistics, Harvard T.H. Chan School of Public Health, Boston, Massachusetts, United States of America
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22
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Schichlein KD, Smith GJ, Jaspers I. Protective effects of inhaled antioxidants against air pollution-induced pathological responses. Respir Res 2023; 24:187. [PMID: 37443038 DOI: 10.1186/s12931-023-02490-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2023] [Accepted: 07/06/2023] [Indexed: 07/15/2023] Open
Abstract
As the public health burden of air pollution continues to increase, new strategies to mitigate harmful health effects are needed. Dietary antioxidants have previously been explored to protect against air pollution-induced lung injury producing inconclusive results. Inhaled (pulmonary or nasal) administration of antioxidants presents a more promising approach as it could directly increase antioxidant levels in the airway surface liquid (ASL), providing protection against oxidative damage from air pollution. Several antioxidants have been shown to exhibit antioxidant, anti-inflammatory, and anti-microbial properties in in vitro and in vivo models of air pollution exposure; however, little work has been done to translate these basic research findings into practice. This narrative review summarizes these findings and data from human studies using inhaled antioxidants in response to air pollution, which have produced positive results, indicating further investigation is warranted. In addition to human studies, cell and murine studies should be conducted using more relevant models of exposure such as air-liquid interface (ALI) cultures of primary cells and non-aqueous apical delivery of antioxidants and pollutants. Inhalation of antioxidants shows promise as a protective intervention to prevent air pollution-induced lung injury and exacerbation of existing lung disease.
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Affiliation(s)
- Kevin D Schichlein
- Curriculum in Toxicology and Environmental Medicine, University of North Carolina at Chapel Hill, 116 Manning Drive, Chapel Hill, NC, 27599-7310, USA
| | - Gregory J Smith
- Curriculum in Toxicology and Environmental Medicine, University of North Carolina at Chapel Hill, 116 Manning Drive, Chapel Hill, NC, 27599-7310, USA
- Department of Genetics, University of North Carolina at Chapel Hill, Chapel Hill, NC, 27599, USA
| | - Ilona Jaspers
- Curriculum in Toxicology and Environmental Medicine, University of North Carolina at Chapel Hill, 116 Manning Drive, Chapel Hill, NC, 27599-7310, USA.
- Center for Environmental Medicine, Asthma, and Lung Biology, University of North Carolina at Chapel Hill, Chapel Hill, NC, 27599, USA.
- Department of Pediatrics, University of North Carolina at Chapel Hill, Chapel Hill, NC, 27599, USA.
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23
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Liu H, Ma S, Hu T, Ma D. Computational investigation of flow characteristics and particle deposition patterns in a realistic human airway model under different breathing conditions. Respir Physiol Neurobiol 2023:104085. [PMID: 37276915 DOI: 10.1016/j.resp.2023.104085] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2023] [Revised: 05/08/2023] [Accepted: 05/21/2023] [Indexed: 06/07/2023]
Abstract
Airborne particle pollution causes a range of respiratory and cardiovascular disorders by entering the human respiratory system through the breathing process. The administration of pharmaceutical particles by inhalation is another effective way to treat pulmonary illnesses. Studying particle deposition in the respiratory system during human breathing is crucial to maintaining human health. This necessity served as the impetus for this work, which aims to investigate how the airflow and particles' deposition are influenced by constant inhalation and circulatory breathing, particle diameter, and changes in airflow rate. The focus of this paper is to compare the particle deposition results of circulatory respiration with constant respiration. Based on computed tomography (CT) scan pictures, a precise human airway model from the mouth cavity to the fifth-generation bronchi was created. Flow fields and particle deposition inside the respiratory tract were examined at varied breathing rates (30, 60, and 90L/min of constant and circulatory breathing) and varying haled particle sizes (5 and 10 μm). The results showed that the oropharyngeal area is often where the majority of particles are deposited. The particle distribution fraction is more significant in the bronchial area than the oropharyngeal region due to lower inhalation velocities and smaller particle sizes. For particles with a diameter of 5µm, constant respiration and circulatory respiration have virtually identical particle distribution fractions in each region. For particles with a diameter of 10µm, the particle distribution fraction for circulatory respiration is slightly higher than for constant respiration in the bronchial region as the flow rate increases. For both constant and circulatory respiration, particles are deposited more in the right lung and less in the left. These results contribute to further research on respiratory diseases caused by inhaled particles and guide inhalation therapy for better treatment outcomes.
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Affiliation(s)
- Huanxi Liu
- School of Mechanical Engineering, Shandong University, Jinan, PR China; Key Laboratory of High Efficiency and Clean Mechanical Manufacture at Shandong University, Ministry of Education, Jinan, PR China; National Demonstration Center for Experimental Mechanical Engineering Education at Shandong University, Jinan, PR China
| | - Songhua Ma
- School of Mechanical Engineering, Shandong University, Jinan, PR China; Key Laboratory of High Efficiency and Clean Mechanical Manufacture at Shandong University, Ministry of Education, Jinan, PR China; National Demonstration Center for Experimental Mechanical Engineering Education at Shandong University, Jinan, PR China.
| | - Tianliang Hu
- School of Mechanical Engineering, Shandong University, Jinan, PR China; Key Laboratory of High Efficiency and Clean Mechanical Manufacture at Shandong University, Ministry of Education, Jinan, PR China; National Demonstration Center for Experimental Mechanical Engineering Education at Shandong University, Jinan, PR China
| | - Dedong Ma
- Qilu Hospital of Shandong University, Jinan, PR China; Key Laboratory of Otorhinolaryngology, National Health Commission - Shandong University, Jinan, PR China
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24
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Mariscal-Aguilar P, Gómez-Carrera L, Carpio C, Zamarrón E, Bonilla G, Fernández-Velilla M, Torres I, Esteban I, Regojo R, Díaz-Almirón M, Gayá F, Villamañán E, Prados C, Álvarez-Sala R. Relationship between air pollution exposure and the progression of idiopathic pulmonary fibrosis in Madrid: Chronic respiratory failure, hospitalizations, and mortality. A retrospective study. Front Public Health 2023; 11:1135162. [PMID: 36969686 PMCID: PMC10036896 DOI: 10.3389/fpubh.2023.1135162] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2022] [Accepted: 02/20/2023] [Indexed: 03/12/2023] Open
Abstract
IntroductionAir pollution has a significant impact on the morbidity and mortality of various respiratory diseases. However, this has not been widely studied in diffuse interstitial lung diseases, specifically in idiopathic pulmonary fibrosis.ObjectiveIn this study we aimed to assess the relationship between four major air pollutants individually [carbon monoxide (CO), nitrogen dioxide (NO2), ozone (O3), and nitrogen oxides (NOx)] and the development of chronic respiratory failure, hospitalization due to respiratory causes and mortality in patients with idiopathic pulmonary fibrosis.MethodsWe conducted an exploratory retrospective panel study from 2011 to 2020 in 69 patients with idiopathic pulmonary fibrosis from the pulmonary medicine department of a tertiary hospital. Based on their geocoded residential address, levels of each pollutant were estimated 1, 3, 6, 12, and 36 months prior to each event (chronic respiratory failure, hospital admission and mortality). Data was collected from the air quality monitoring stations of the Community of Madrid located <3.5 km (2.2 miles) from each patient's home.ResultsThe increase in average values of CO [OR 1.62 (1.11–2.36) and OR 1.84 (1.1–3.06)], NO2 [OR 1.64 (1.01–2.66)], and NOx [OR 1.11 (1–1.23) and OR 1.19 (1.03–1.38)] were significantly associated with the probability of developing chronic respiratory failure in different periods. In addition, the averages of NO2, O3, and NOx were significantly associated with the probability of hospital admissions due to respiratory causes and mortality in these patients.ConclusionAir pollution is associated with an increase in the probability of developing chronic respiratory failure, hospitalization due to respiratory causes and mortality in patients with idiopathic pulmonary fibrosis.
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Affiliation(s)
- Pablo Mariscal-Aguilar
- Department of Respiratory Medicine, Hospital Universitario La Paz, Madrid, Spain
- Research Institute of Hospital Universitario La Paz (IdiPAZ), Madrid, Spain
- Department of Medicine, Universidad Autónoma de Madrid, Madrid, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Respiratorias, Madrid, Spain
- *Correspondence: Pablo Mariscal-Aguilar
| | - Luis Gómez-Carrera
- Department of Respiratory Medicine, Hospital Universitario La Paz, Madrid, Spain
- Research Institute of Hospital Universitario La Paz (IdiPAZ), Madrid, Spain
- Department of Medicine, Universidad Autónoma de Madrid, Madrid, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Respiratorias, Madrid, Spain
| | - Carlos Carpio
- Department of Respiratory Medicine, Hospital Universitario La Paz, Madrid, Spain
- Research Institute of Hospital Universitario La Paz (IdiPAZ), Madrid, Spain
- Department of Medicine, Universidad Autónoma de Madrid, Madrid, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Respiratorias, Madrid, Spain
| | - Ester Zamarrón
- Department of Respiratory Medicine, Hospital Universitario La Paz, Madrid, Spain
- Research Institute of Hospital Universitario La Paz (IdiPAZ), Madrid, Spain
- Department of Medicine, Universidad Autónoma de Madrid, Madrid, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Respiratorias, Madrid, Spain
| | - Gema Bonilla
- Research Institute of Hospital Universitario La Paz (IdiPAZ), Madrid, Spain
- Department of Medicine, Universidad Autónoma de Madrid, Madrid, Spain
- Department of Rheumatology, Hospital Universitario La Paz, Madrid, Spain
| | - María Fernández-Velilla
- Research Institute of Hospital Universitario La Paz (IdiPAZ), Madrid, Spain
- Department of Medicine, Universidad Autónoma de Madrid, Madrid, Spain
- Department of Radiology, Hospital Universitario La Paz, Madrid, Spain
| | - Isabel Torres
- Research Institute of Hospital Universitario La Paz (IdiPAZ), Madrid, Spain
- Department of Medicine, Universidad Autónoma de Madrid, Madrid, Spain
- Department of Radiology, Hospital Universitario La Paz, Madrid, Spain
| | - Isabel Esteban
- Research Institute of Hospital Universitario La Paz (IdiPAZ), Madrid, Spain
- Department of Medicine, Universidad Autónoma de Madrid, Madrid, Spain
- Department of Pathological Anatomy, Hospital Universitario La Paz, Madrid, Spain
| | - Rita Regojo
- Research Institute of Hospital Universitario La Paz (IdiPAZ), Madrid, Spain
- Department of Medicine, Universidad Autónoma de Madrid, Madrid, Spain
- Department of Pathological Anatomy, Hospital Universitario La Paz, Madrid, Spain
| | | | - Francisco Gayá
- Research Institute of Hospital Universitario La Paz (IdiPAZ), Madrid, Spain
| | - Elena Villamañán
- Research Institute of Hospital Universitario La Paz (IdiPAZ), Madrid, Spain
- Department of Medicine, Universidad Autónoma de Madrid, Madrid, Spain
- Department of Pharmacy, Hospital Universitario La Paz, Madrid, Spain
| | - Concepción Prados
- Department of Respiratory Medicine, Hospital Universitario La Paz, Madrid, Spain
- Research Institute of Hospital Universitario La Paz (IdiPAZ), Madrid, Spain
- Department of Medicine, Universidad Autónoma de Madrid, Madrid, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Respiratorias, Madrid, Spain
| | - Rodolfo Álvarez-Sala
- Department of Respiratory Medicine, Hospital Universitario La Paz, Madrid, Spain
- Research Institute of Hospital Universitario La Paz (IdiPAZ), Madrid, Spain
- Department of Medicine, Universidad Autónoma de Madrid, Madrid, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Respiratorias, Madrid, Spain
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25
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Bhattacharyya P, Mukherjee S, Chatterjee M, Saha D, Sengupta S, Dey D. The impact of lockdown on symptoms and health status of patients with chronic airway diseases: An appraisal of patient perceived impressions. Lung India 2023; 40:128-133. [PMID: 37006096 PMCID: PMC10174645 DOI: 10.4103/lungindia.lungindia_278_22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2022] [Revised: 11/02/2022] [Accepted: 12/18/2022] [Indexed: 03/05/2023] Open
Abstract
Background The pandemic-specific lockdown may influence the health status of patients with chronic airflow obstruction (CAO) as COPD, COPD-PH, and chronic asthma. Objectives To find the impact of the lockdown on symptoms, and the degree of perceived change in physical activity and emotional health with possible reasons including the indicators of ambient air pollution. Methods A cohort of CAO patients was telephonically enquired regarding their perceived well-being in symptom status, physical activity, and emotional health with the perceived contribution from plausible reasons (regular medication, simple food, no pollution, and family attention) for the change; all being expressed in percentages. The change in symptom scores as 0-39, 40-79, and 80-100 were regarded as 'low', 'medium', and 'high' respectively. The impact of the individual contributing factor was calculated statistically. The assessment of the CAT (COPD assessment test) score and the ambient air pollution (PM2.5 and PM10) was also done for their association with well-being. Results There was a universal improvement (p < 0.5) in COPD (n = 113), COPD-PH, (n = 40), and chronic asthma, (n = 19) as regards symptoms, physical activity, and emotional health that tallies to overall and individual change in CAT score. There were concomitant reductions in PM10 and PM2.5 levels during the lockdown compared to the same period of the previous year. All the four listed factors contributed with the 'no/low pollution' and 'simple food being the most important; on acting together, they reduced the moderate and severe symptoms impressively. Conclusion Reduced air pollution and simple food appear most important for the improvement of CAO patients during the lockdown period.
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Affiliation(s)
| | - Sikta Mukherjee
- Department of Airway Disease, Institute of Pulmocare and Research, Kolkata, West Bengal, India
| | - Moumita Chatterjee
- Department of Mathematics and Statistics, Aliah University, Kolkata, West Bengal, India
| | - Dipanjan Saha
- Department of Airway Disease, Institute of Pulmocare and Research, Kolkata, West Bengal, India
| | - Sayoni Sengupta
- Department of Airway Disease, Institute of Pulmocare and Research, Kolkata, West Bengal, India
| | - Debkanya Dey
- Department of Airway Disease, Institute of Pulmocare and Research, Kolkata, West Bengal, India
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Ravindra K, Bahadur SS, Katoch V, Bhardwaj S, Kaur-Sidhu M, Gupta M, Mor S. Application of machine learning approaches to predict the impact of ambient air pollution on outpatient visits for acute respiratory infections. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 858:159509. [PMID: 36257414 DOI: 10.1016/j.scitotenv.2022.159509] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/09/2022] [Revised: 09/13/2022] [Accepted: 10/13/2022] [Indexed: 06/16/2023]
Abstract
With a remarkable increase in industrialization among fast-developing countries, air pollution is rising at an alarming rate and has become a public health concern. The study aims to examine the effect of air pollution on patient's hospital visits for respiratory diseases, particularly Acute Respiratory Infections (ARI). Outpatient hospital visits, air pollution and meteorological parameters were collected from March 2018 to October 2021. Eight machine learning algorithms (Random Forest model, K-Nearest Neighbors regression model, Linear regression model, LASSO regression model, Decision Tree Regressor, Support Vector Regression, X.G. Boost and Deep Neural Network with 5-layers) were applied for the analysis of daily air pollutants and outpatient visits for ARI. The evaluation was done by using 5-cross-fold confirmations. The data was randomly divided into test and training data sets at a scale of 1:2, respectively. Results show that among the studied eight machine learning models, the Random Forest model has given the best performance with R2 = 0.606, 0.608 without lag and 1-day lag respectively on ARI patients and R2 = 0.872, 0.871 without lag and 1-day lag respectively on total patients. All eight models did not perform well with the lag effect on the ARI patient dataset but performed better on the total patient dataset. Thus, the study did not find any significant association between ARI patients and ambient air pollution due to the intermittent availability of data during the COVID-19 period. This study gives insight into developing machine learning programs for risk prediction that can be used to predict analytics for several other diseases apart from ARI, such as heart disease and other respiratory diseases.
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Affiliation(s)
- Khaiwal Ravindra
- Department of Community Medicine & School of Public Health, PGIMER, Chandigarh 160012, India.
| | - Samsher Singh Bahadur
- Department of Community Medicine & School of Public Health, PGIMER, Chandigarh 160012, India
| | - Varun Katoch
- Department of Community Medicine & School of Public Health, PGIMER, Chandigarh 160012, India; Department of Environment Studies, Panjab University, Chandigarh 160014, India
| | - Sanjeev Bhardwaj
- Department of Community Medicine & School of Public Health, PGIMER, Chandigarh 160012, India
| | - Maninder Kaur-Sidhu
- Department of Community Medicine & School of Public Health, PGIMER, Chandigarh 160012, India
| | - Madhu Gupta
- Department of Community Medicine & School of Public Health, PGIMER, Chandigarh 160012, India
| | - Suman Mor
- Department of Environment Studies, Panjab University, Chandigarh 160014, India
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Siegel J, Gill N, Ramanathan M, Patadia M. Unified Airway Disease. Otolaryngol Clin North Am 2023; 56:39-53. [DOI: 10.1016/j.otc.2022.09.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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Hernandez N, Caetano-Anollés G. Worldwide Correlations Support COVID-19 Seasonal Behavior and Impact of Global Change. Evol Bioinform Online 2023; 19:11769343231169377. [PMID: 37155556 PMCID: PMC10113908 DOI: 10.1177/11769343231169377] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2022] [Accepted: 03/14/2023] [Indexed: 05/10/2023] Open
Abstract
Many viral diseases exhibit seasonal behavior and can be affected by environmental stressors. Using time-series correlation charts extrapolated from worldwide data, we provide strong support for the seasonal development of COVID-19 regardless of the immunity of the population, behavioral changes, and the periodic appearance of new variants with higher rates of infectivity and transmissibility. Statistically significant latitudinal gradients were also observed with indicators of global change. Using the Environmental Protection Index (EPI) and State of Global Air (SoGA) metrics, a bilateral analysis of environmental health and ecosystem vitality effects showed associations with COVID-19 transmission. Air quality, pollution emissions, and other indicators showed strong correlations with COVID-19 incidence and mortality. Remarkably, EPI category and performance indicators also correlated with latitude, suggesting cultural and psychological diversity in human populations not only impact wealth and happiness but also planetary health at latitudinal level. Looking forward, we conclude there will be a need to disentangle the seasonal and global change effects of COVID-19 noting that countries that go against the health of the planet affect health in general.
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Affiliation(s)
| | - Gustavo Caetano-Anollés
- Gustavo Caetano-Anollés, Department of Crop Sciences, University of Illinois at Urbana-Champaign, 332 NSRC, 1101W Peabody Drive, Urbana, IL 61801, USA.
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Bozalija A, Maliqi S, Islami P, Iljazi A, Islami H. The Reaction of Airways of Employees Working in the Environments Polluted with Heavy Metals in Mine Kosovo. Toxicol Int 2022. [DOI: 10.18311/ti/2022/v29i3/28705] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
This paper is studied the respiratory function as a result of the impact of air pollution in the environment of the sector of exploitation of heavy minerals such Pb, Zn, Au, Ag, Bi, Cd, PM in the mines of Trepça, Kosovo. Lung function parameters are determined by Body plethysmography. Airway resistance (Raw) was recorded and Intra-Thoracic Gas Volume (ITGV) was measured and specific resistance (SRaw) and airway specific conductance (SGaw) were calculated. The research was done in two groups, the control group and the experimental one. The control group consisted of 24 healthy people, while the experimental one is made up of 52 mining workers for the exploitation of minerals in the Trepçamine, Kosovo. The results obtained from this research indicate that the mean value of specific resistance (SRaw) is significantly higher in the experimental group (p<0.01), compared to the control group (p>0.1). Also, in this study it was confirmed that smoking favors the negative effects of air contamination in the mineral exploitation sector, the changes are significant (p<0.01). Respiratory system parameters of the control group and the experimental group were measured before and after bronchoprovocation with histamine-aerosol (1 mg/ml). The differences between these two groups after provocation were statistically significant (p<0.01). Respiratory changes from air pollution with noxae in mines where metals are mined, it takes a long time for changes in respiratory function to appear. Therefore, exposure of workers to these conditions poses a risk to their health, causing bronchial reactivity, bronchial asthma or, obstructive pulmonary syndrome.
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Li S, Wang G, Geng Y, Wu W, Duan X. Lung function decline associated with individual short-term exposure to PM 1, PM 2.5 and PM 10 in patients with allergic rhinoconjunctivitis. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 851:158151. [PMID: 35988632 DOI: 10.1016/j.scitotenv.2022.158151] [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: 06/04/2022] [Revised: 08/14/2022] [Accepted: 08/16/2022] [Indexed: 06/15/2023]
Abstract
BACKGROUND The susceptibility of allergic rhinoconjunctivitis (ARC) patients to air pollution has yet to be clarified. OBJECTIVES Based on a repeated measurement panel study, we explored the association of short-term PM exposure with lung function in ARC patients and to further identify the susceptible populations. METHODS Personal PM exposure, including PM1, PM2.5 and PM10, was monitored consecutively for three days before outcomes measurements. Lung function indices including forced vital capacity (FVC), forced expiratory volume in 1 s (FEV1), peak expiratory flow (PEF), and forced expiratory flow at 25-75 % of the vital capacity (FEF25-75) were measured. Serum total immunoglobulin E (IgE), specific-allergen IgE, blood eosinophil and basophils, and the symptoms severe scores were tested in each visit. Linear mixed effect models were applied to estimate the association between PM exposure and lung function. Furthermore, stratified and overlapping grouped populations based on IgE levels were implemented to characterize the modification role and the modulating threshold of IgE at which the association turned significantly negative. RESULTS Short-term PM personal exposure was associated with a significant decrease in lung function in ARC patients, especially for small airway respiratory indexes. The highest estimates occurred in PM1, specifically a 10 μg/m3 increase reduced FEV1/FVC, PEF and FEF25-75 by 1.36 % (95 %CI: -2.29 to -0.43), 0.23 L/s (95 %CI: -0.42 to -0.03) and 0.18 L/s (95 %CI: -0.30 to -0.06), respectively. Notably, PM-induced decreases in lung function were stronger in patients with higher IgE levels (IgE ≥ 100 IU/mL), which were related to higher inflammatory cytokines and symptoms scores. Further, PM-associated lung function declines enhanced robustly and monotonically with increasing IgE concentration. Potential modulating thresholds of IgE occurred at 46.8-59.6 IU/mL for significant PM-lung function associations. CONCLUSION These novel findings estimated the short-term effects of PM on lung function in ARC patients, and the threshold values of IgE for the significant and robust associations.
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Affiliation(s)
- Sai Li
- School of Energy and Environmental Engineering, University of Science and Technology Beijing, Beijing 100083, China
| | - Gang Wang
- Department of Otolaryngology-Head and Neck Surgery, PLA Strategic Support Force Characteristic Medical Center, Beijing 100101, China
| | - Yishuo Geng
- School of Energy and Environmental Engineering, University of Science and Technology Beijing, Beijing 100083, China
| | - Wei Wu
- Department of Otolaryngology-Head and Neck Surgery, PLA Strategic Support Force Characteristic Medical Center, Beijing 100101, China
| | - Xiaoli Duan
- School of Energy and Environmental Engineering, University of Science and Technology Beijing, Beijing 100083, China.
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Li T, Yu Y, Sun Z, Duan J. A comprehensive understanding of ambient particulate matter and its components on the adverse health effects based from epidemiological and laboratory evidence. Part Fibre Toxicol 2022; 19:67. [PMID: 36447278 PMCID: PMC9707232 DOI: 10.1186/s12989-022-00507-5] [Citation(s) in RCA: 36] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2022] [Accepted: 11/21/2022] [Indexed: 12/05/2022] Open
Abstract
The impacts of air pollution on public health have become a great concern worldwide. Ambient particulate matter (PM) is a major air pollution that comprises a heterogeneous mixture of different particle sizes and chemical components. The chemical composition and physicochemical properties of PM change with space and time, which may cause different impairments. However, the mechanisms of the adverse effects of PM on various systems have not been fully elucidated and systematically integrated. The Adverse Outcome Pathway (AOP) framework was used to comprehensively illustrate the molecular mechanism of adverse effects of PM and its components, so as to clarify the causal mechanistic relationships of PM-triggered toxicity on various systems. The main conclusions and new insights of the correlation between public health and PM were discussed, especially at low concentrations, which points out the direction for further research in the future. With the deepening of the study on its toxicity mechanism, it was found that PM can still induce adverse health effects with low-dose exposure. And the recommended Air Quality Guideline level of PM2.5 was adjusted to 5 μg/m3 by World Health Organization, which meant that deeper and more complex mechanisms needed to be explored. Traditionally, oxidative stress, inflammation, autophagy and apoptosis were considered the main mechanisms of harmful effects of PM. However, recent studies have identified several emerging mechanisms involved in the toxicity of PM, including pyroptosis, ferroptosis and epigenetic modifications. This review summarized the comprehensive evidence on the health effects of PM and the chemical components of it, as well as the combined toxicity of PM with other air pollutants. Based on the AOP Wiki and the mechanisms of PM-induced toxicity at different levels, we first constructed the PM-related AOP frameworks on various systems.
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Affiliation(s)
- Tianyu Li
- grid.24696.3f0000 0004 0369 153XDepartment of Toxicology and Sanitary Chemistry, School of Public Health, Capital Medical University, Beijing, 100069 People’s Republic of China ,grid.24696.3f0000 0004 0369 153XBeijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing, 100069 People’s Republic of China
| | - Yang Yu
- grid.24696.3f0000 0004 0369 153XDepartment of Toxicology and Sanitary Chemistry, School of Public Health, Capital Medical University, Beijing, 100069 People’s Republic of China ,grid.24696.3f0000 0004 0369 153XBeijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing, 100069 People’s Republic of China
| | - Zhiwei Sun
- grid.24696.3f0000 0004 0369 153XDepartment of Toxicology and Sanitary Chemistry, School of Public Health, Capital Medical University, Beijing, 100069 People’s Republic of China ,grid.24696.3f0000 0004 0369 153XBeijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing, 100069 People’s Republic of China
| | - Junchao Duan
- grid.24696.3f0000 0004 0369 153XDepartment of Toxicology and Sanitary Chemistry, School of Public Health, Capital Medical University, Beijing, 100069 People’s Republic of China ,grid.24696.3f0000 0004 0369 153XBeijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing, 100069 People’s Republic of China
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Albano GD, Gagliardo RP, Montalbano AM, Profita M. Overview of the Mechanisms of Oxidative Stress: Impact in Inflammation of the Airway Diseases. Antioxidants (Basel) 2022; 11:2237. [PMID: 36421423 PMCID: PMC9687037 DOI: 10.3390/antiox11112237] [Citation(s) in RCA: 36] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2022] [Revised: 11/09/2022] [Accepted: 11/11/2022] [Indexed: 08/01/2023] Open
Abstract
Inflammation of the human lung is mediated in response to different stimuli (e.g., physical, radioactive, infective, pro-allergenic or toxic) such as cigarette smoke and environmental pollutants. They often promote an increase in inflammatory activities in the airways that manifest themselves as chronic diseases (e.g., allergic airway diseases, asthma, chronic bronchitis/chronic obstructive pulmonary disease (COPD) or even lung cancer). Increased levels of oxidative stress (OS) reduce the antioxidant defenses, affect the autophagy/mitophagy processes, and the regulatory mechanisms of cell survival, promoting inflammation in the lung. In fact, OS potentiate the inflammatory activities in the lung, favoring the progression of chronic airway diseases. OS increases the production of reactive oxygen species (ROS), including superoxide anions (O2-), hydroxyl radicals (OH) and hydrogen peroxide (H2O2), by the transformation of oxygen through enzymatic and non-enzymatic reactions. In this manner, OS reduces endogenous antioxidant defenses in both nucleated and non-nucleated cells. The production of ROS in the lung can derive from both exogenous insults (cigarette smoke or environmental pollution) and endogenous sources such as cell injury and/or activated inflammatory and structural cells. In this review, we describe the most relevant knowledge concerning the functional interrelation between the mechanisms of OS and inflammation in airway diseases.
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Liu M, Gan H, Lin Y, Lin R, Xue M, Zhang T, Cheng ZJ, Sun B. Prevalence and Disability-Adjusted Life Year Rates of Asthma in China: Findings from the GBD Study 2019 of the G20. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:14663. [PMID: 36429381 PMCID: PMC9690014 DOI: 10.3390/ijerph192214663] [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: 09/19/2022] [Revised: 10/22/2022] [Accepted: 11/07/2022] [Indexed: 06/16/2023]
Abstract
BACKGROUND The credible materials about the burden of asthma in China when compared to other countries in the group of twenty (G20) remain unavailable. OBJECTIVES AND DESIGN Following the popular analysis strategy used in the Global Burden of Disease Study, the age-, sex-, country-specific prevalence, and disability-adjusted life years (DALYs) of asthma in China were analyzed. Meanwhile, the comparison in trends between China and other countries in the G20 was also evaluated. RESULTS In 2019, asthma was the 8th leading cause of the DALYs' burden of 369 diseases in China. From 1990 to 2019, the age-standardized prevalence and DALY rates of asthma in China decreased by 14% and 51%, respectively; further, the decline rate of DALYs was much higher than the global average (-51%: -43%). It is worth noting that the overall population age-standardized DALYs rate of asthma in China was the lowest in the G20 during 2019 (102.81, 95% UI: (72.30,147.42)/100,000). Moreover, the age-standardized asthma prevalence rate peaks in both childhood (178.14, 95% UI: (90.50, 329.01)/100,000) and the elderly (541.80, 95% UI: (397.79, 679.92)/100,000). Moreover, throughout the study, subjects in the 5 to 9 years old interval were a constant focus of our attention. CONCLUSIONS The disease burden of asthma has varied greatly by gender and age over the past 30 years. In contrast to the increasing burden in most other G20 countries, the age-standardized prevalence rate of asthma shows a significant decreasing trend in China, however, the age-standardized DALYs rate shows a fluctuating change, and has even shown a rebound trend in recent years.
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Affiliation(s)
- Mingtao Liu
- Department of Allergy and Clinical Immunology, Department of Laboratory, National Center for Respiratory Medicine, National Clinical Research Center for Respiratory Disease, State Key Laboratory of Respiratory Disease, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou 510150, China
| | - Hui Gan
- Department of Allergy and Clinical Immunology, Department of Laboratory, National Center for Respiratory Medicine, National Clinical Research Center for Respiratory Disease, State Key Laboratory of Respiratory Disease, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou 510150, China
| | - Yilu Lin
- School of Social Sciences, Main Campus, Universiti Sains Malaysia, Gelugor 11800, Penang, Malaysia
| | - Runpei Lin
- Department of Allergy and Clinical Immunology, Department of Laboratory, National Center for Respiratory Medicine, National Clinical Research Center for Respiratory Disease, State Key Laboratory of Respiratory Disease, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou 510150, China
| | - Mingshan Xue
- Department of Allergy and Clinical Immunology, Department of Laboratory, National Center for Respiratory Medicine, National Clinical Research Center for Respiratory Disease, State Key Laboratory of Respiratory Disease, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou 510150, China
- Guangzhou Laboratory, Guangzhou 510005, China
- Guangzhou Eighth People’s Hospital, Guangzhou Medical University, Guangzhou 510440, China
| | - Teng Zhang
- Faculty of Health Sciences, University of Macau, Taipa, Macau 510060, China
| | - Zhangkai J. Cheng
- Department of Allergy and Clinical Immunology, Department of Laboratory, National Center for Respiratory Medicine, National Clinical Research Center for Respiratory Disease, State Key Laboratory of Respiratory Disease, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou 510150, China
- Guangzhou Laboratory, Guangzhou 510005, China
| | - Baoqing Sun
- Department of Allergy and Clinical Immunology, Department of Laboratory, National Center for Respiratory Medicine, National Clinical Research Center for Respiratory Disease, State Key Laboratory of Respiratory Disease, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou 510150, China
- Guangzhou Laboratory, Guangzhou 510005, China
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Brągoszewska E, Mainka A. Impact of Different Air Pollutants (PM 10, PM 2.5, NO 2, and Bacterial Aerosols) on COVID-19 Cases in Gliwice, Southern Poland. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:14181. [PMID: 36361060 PMCID: PMC9655007 DOI: 10.3390/ijerph192114181] [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: 09/27/2022] [Revised: 10/23/2022] [Accepted: 10/27/2022] [Indexed: 06/16/2023]
Abstract
Many studies have shown that air pollution may be closely associated with increased morbidity and mortality due to COVID-19. It has been observed that exposure to air pollution leads to reduced immune response, thereby facilitating viral penetration and replication. In our study, we combined information on confirmed COVID-19 daily new cases (DNCs) in one of the most polluted regions in the European Union (EU) with air-quality monitoring data, including meteorological parameters (temperature, relative humidity, atmospheric pressure, wind speed, and direction) and concentrations of particulate matter (PM10 and PM2.5), sulfur dioxide (SO2), nitrogen oxides (NO and NO2), ozone (O3), and carbon monoxide (CO). Additionally, the relationship between bacterial aerosol (BA) concentration and COVID-19 spread was analyzed. We confirmed a significant positive correlation (p < 0.05) between NO2 concentrations and numbers of confirmed DNCs and observed positive correlations (p < 0.05) between BA concentrations and DNCs, which may point to coronavirus air transmission by surface deposits on bioaerosol particles. In addition, wind direction information was used to show that the highest numbers of DNCs were associated with the dominant wind directions in the region (southern and southwestern parts).
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Affiliation(s)
- Ewa Brągoszewska
- Department of Technologies and Installations for Waste Management, Faculty of Energy and Environmental Engineering, Silesian University of Technology, 18 Konarskiego St., 44-100 Gliwice, Poland
| | - Anna Mainka
- Department of Air Protection, Silesian University of Technology, 22B Konarskiego St., 44-100 Gliwice, Poland
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Mainka A, Żak M. Synergistic or Antagonistic Health Effects of Long- and Short-Term Exposure to Ambient NO 2 and PM 2.5: A Review. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:ijerph192114079. [PMID: 36360958 PMCID: PMC9657687 DOI: 10.3390/ijerph192114079] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/30/2022] [Revised: 10/24/2022] [Accepted: 10/26/2022] [Indexed: 05/31/2023]
Abstract
Studies on adverse health effects associated with air pollution mostly focus on individual pollutants. However, the air is a complex medium, and thus epidemiological studies face many challenges and limitations in the multipollutant approach. NO2 and PM2.5 have been selected as both originating from combustion processes and are considered to be the main pollutants associated with traffic; moreover, both elicit oxidative stress responses. An answer to the question of whether synergistic or antagonistic health effects of combined pollutants are demonstrated by pollutants monitored in ambient air is not explicit. Among the analyzed studies, only a few revealed statistical significance. Exposure to a single pollutant (PM2.5 or NO2) was mostly associated with a small increase in non-accidental mortality (HR:1.01-1.03). PM2.5 increase of <10 µg/m3 adjusted for NO2 as well as NO2 adjusted for PM2.5 resulted in a slightly lower health risk than a single pollutant. In the case of cardiovascular heart disease, mortality evoked by exposure to PM2.5 or NO2 adjusted for NO2 and PM2.5, respectively, revealed an antagonistic effect on health risk compared to the single pollutant. Both short- and long-term exposure to PM2.5 or NO2 adjusted for NO2 and PM2.5, respectively, revealed a synergistic effect appearing as higher mortality from respiratory diseases.
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Bazargan N, Lari AN, Borhani M, Fasihi Harandi M. Allergic asthma manifestations in human and seropositivity to Toxocara, a soil-transmitted helminth of carnivores: A case-control study and scoping review of the literature. Front Med (Lausanne) 2022; 9:920182. [PMID: 36250067 PMCID: PMC9556890 DOI: 10.3389/fmed.2022.920182] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2022] [Accepted: 09/05/2022] [Indexed: 11/13/2022] Open
Abstract
Asthma is a common respiratory disease affecting humans. Helminth parasites, including Toxocara species, have been implicated as predisposing factors of asthma. However, various studies present different findings on asthma-Toxocara association. Herein, we investigated the association of asthma manifestations with Toxocara seropositivity in a case-control setting on 248 participants (147 women and 101 men), with 124 healthy individuals as the control group and 124 patients known to have asthma based on the medical records of asthma clinics of Kerman University of Medical Sciences. Consequently, we presented a scoping review of all previous studies carried out on this topic, summarizing current findings and existing knowledge on this issue. Of 248 participants, 31 (12.5%) were Toxocara-seropositive, of which 19 (15.3%) were in the patient group and 12 (9.7%) in the control group. A significant relationship was found between asthma severity and age in Toxocara-seropositive individuals (P < 0.04). We found no significant relationship between asthma and Toxocara seropositivity. We identified 7,724 related records in three major scientific databases, NCBI PubMed, Scopus, and Google Scholar. The review of the literature showed that there are 80 published articles on asthma-Toxocara relationship with contradictory findings. More than half of the studies were performed in only four countries, namely, Brazil, the Netherlands, the United States, and Iran. The study population in 70% of the studies were children, and few studies investigated asthma-Toxocara association in adults. The most common study designs for investigating the association of asthma and Toxocara seropositivity were cross-sectional (35.0%), case-control (27.5%), and animal experimental (12.5%) studies. This study found no significant relationship between asthma manifestations and toxocariasis in a case-control setting. However, a scoping review of the current literature suggests that further experimental and field longitudinal cohort studies are required to elucidate the nature of asthma-Toxocara interaction in humans.
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Affiliation(s)
- Nasrin Bazargan
- Department of Pediatrics, Afzalipour Medical Center, School of Medicine, Kerman University of Medical Sciences, Kerman, Iran
| | - Azadeh Nasri Lari
- Department of Pediatrics, Afzalipour Medical Center, School of Medicine, Kerman University of Medical Sciences, Kerman, Iran
- School of Medicine, Fasa University of Medical Sciences, Fasa, Iran
| | - Mehdi Borhani
- State Key Laboratory for Zoonotic Diseases, Key Laboratory of Zoonosis Research, Ministry of Education, Institute of Zoonosis, College of Veterinary Medicine, Jilin University, Changchun, China
| | - Majid Fasihi Harandi
- Research Center for Hydatid Disease in Iran, School of Medicine Kerman University of Medical Sciences, Kerman, Iran
- *Correspondence: Majid Fasihi Harandi ;
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Kim JH, Woo HD, Choi S, Song DS, Lee JH, Lee K. Long-Term Effects of Ambient Particulate and Gaseous Pollutants on Serum High-Sensitivity C-Reactive Protein Levels: A Cross-Sectional Study Using KoGES-HEXA Data. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:ijerph191811585. [PMID: 36141854 PMCID: PMC9517608 DOI: 10.3390/ijerph191811585] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/12/2022] [Revised: 09/06/2022] [Accepted: 09/07/2022] [Indexed: 05/23/2023]
Abstract
Ambient air pollutants reportedly increase inflammatory responses associated with multiple chronic diseases. We investigated the effects of long-term exposure to ambient air pollution on high-sensitivity C-reactive protein (hs-CRP) using data from 60,581 participants enrolled in the Korean Genome and Epidemiology Study-Health Examinees Study between 2012 and 2017. Community Multiscale Air Quality System with surface data assimilation was used to estimate the participants' exposure to criteria air pollutants based on geocoded residential addresses. Long-term exposure was defined as the 2-year moving average concentrations of PM10, PM2.5, SO2, NO2, and O3. Multivariable linear and logistic regression models were utilized to estimate the percent changes in hs-CRP and odds ratios of systemic low-grade inflammation (hs-CRP > 3 mg/L) per interquartile range increment in air pollutants. We identified positive associations between hs-CRP and PM10 (% changes: 3.75 [95% CI 2.68, 4.82]), PM2.5 (3.68, [2.57, 4.81]), SO2 (1.79, [1.10, 2.48]), and NO2 (3.31, [2.12, 4.52]), while negative association was demonstrated for O3 (-3.81, [-4.96, -2.65]). Elevated risks of low-grade inflammation were associated with PM10 (odds ratio: 1.07 [95% CI 1.01, 1.13]), PM2.5 (1.08 [1.02, 1.14]), and SO2 (1.05 [1.01, 1.08]). The odds ratios reported indicated that the exposures might be risk factors for inflammatory conditions; however, they did not reflect strong associations. Our findings suggest that exposure to air pollutants may play a role in the inflammation process.
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Potoczek A, Bukowski M, Jasko K, Czepluch F, Fritsche I, Jugert P, Kossowska M. Acting collectively against air pollution: When does control threat mobilize environmental activism? Registered report. JOURNAL OF EXPERIMENTAL SOCIAL PSYCHOLOGY 2022. [DOI: 10.1016/j.jesp.2022.104352] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Tekle E, Gelaw Y, Asrie F. Hematological Profile Changes Among Oral Contraceptive Users: A Narrative Review. J Blood Med 2022; 13:525-536. [PMID: 36199529 PMCID: PMC9528910 DOI: 10.2147/jbm.s379841] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2022] [Accepted: 09/22/2022] [Indexed: 11/23/2022] Open
Affiliation(s)
- Esayas Tekle
- Department of Medical Laboratory Sciences, Institute of Health Sciences, Wallaga University, Nekemte, Ethiopia
- Correspondence: Esayas Tekle, Email
| | - Yemataw Gelaw
- Department of Hematology and Immunohematology, School of Biomedical and Laboratory Sciences, College of Medicine and Health Sciences, University of Gondar, Gondar, Ethiopia
| | - Fikir Asrie
- Department of Hematology and Immunohematology, School of Biomedical and Laboratory Sciences, College of Medicine and Health Sciences, University of Gondar, Gondar, Ethiopia
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Ravi V, Acharya V, Alazab M. A multichannel EfficientNet deep learning-based stacking ensemble approach for lung disease detection using chest X-ray images. CLUSTER COMPUTING 2022; 26:1181-1203. [PMID: 35874187 PMCID: PMC9295885 DOI: 10.1007/s10586-022-03664-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/30/2022] [Revised: 05/21/2022] [Accepted: 06/17/2022] [Indexed: 06/15/2023]
Abstract
This paper proposes a multichannel deep learning approach for lung disease detection using chest X-rays. The multichannel models used in this work are EfficientNetB0, EfficientNetB1, and EfficientNetB2 pretrained models. The features from EfficientNet models are fused together. Next, the fused features are passed into more than one non-linear fully connected layer. Finally, the features passed into a stacked ensemble learning classifier for lung disease detection. The stacked ensemble learning classifier contains random forest and SVM in the first stage and logistic regression in the second stage for lung disease detection. The performance of the proposed method is studied in detail for more than one lung disease such as pneumonia, Tuberculosis (TB), and COVID-19. The performances of the proposed method for lung disease detection using chest X-rays compared with similar methods with the aim to show that the method is robust and has the capability to achieve better performances. In all the experiments on lung disease, the proposed method showed better performance and outperformed similar lung disease existing methods. This indicates that the proposed method is robust and generalizable on unseen chest X-rays data samples. To ensure that the features learnt by the proposed method is optimal, t-SNE feature visualization was shown on all three lung disease models. Overall, the proposed method has shown 98% detection accuracy for pediatric pneumonia lung disease, 99% detection accuracy for TB lung disease, and 98% detection accuracy for COVID-19 lung disease. The proposed method can be used as a tool for point-of-care diagnosis by healthcare radiologists.Journal instruction requires a city for affiliations; however, this is missing in affiliation 3. Please verify if the provided city is correct and amend if necessary.correct.
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Affiliation(s)
- Vinayakumar Ravi
- Center for Artificial Intelligence, Prince Mohammad Bin Fahd University, Khobar, Saudi Arabia
| | - Vasundhara Acharya
- Manipal Institute of Technology (MIT), Manipal Academy of Higher Education (MAHE), Manipal, India
| | - Mamoun Alazab
- College of Engineering, IT and Environment, Charles Darwin University, Casuarina, NT Australia
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Dimala CA, Kadia BM. A systematic review and meta-analysis on the association between ambient air pollution and pulmonary tuberculosis. Sci Rep 2022; 12:11282. [PMID: 35788679 PMCID: PMC9253106 DOI: 10.1038/s41598-022-15443-9] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2021] [Accepted: 06/23/2022] [Indexed: 11/25/2022] Open
Abstract
There is inconclusive evidence on the association between ambient air pollution and pulmonary tuberculosis (PTB) incidence, tuberculosis-related hospital admission and mortality. This review aimed to assess the extent to which selected air pollutants are associated to PTB incidence, hospital admissions and mortality. This was a systematic review of studies published in English from January 1st, 1946, through May 31st, 2022, that quantitatively assessed the association between PM2.5, PM10, NO2, SO2, CO, O3 and the incidence of, hospital admission or death from PTB. Medline, Embase, Scopus and The Cochrane Library were searched. Extracted data from eligible studies were analysed using STATA software. Random-effect meta-analysis was used to derive pooled adjusted risk and odds ratios. A total of 24 studies (10 time-series, 5 ecologic, 5 cohort, 2 case–control, 1 case cross-over, 1 cross-sectional) mainly from Asian countries were eligible and involved a total of 437,255 tuberculosis cases. For every 10 μg/m3 increment in air pollutant concentration, there was a significant association between exposure to PM2.5 (pooled aRR = 1.12, 95% CI: 1.06–1.19, p < 0.001, N = 6); PM10 (pooled aRR = 1.06, 95% CI: 1.01–1.12, p = 0.022, N = 8); SO2 (pooled aRR = 1.08, 95% CI: 1.04–1.12, p < 0.001, N = 9); and the incidence of PTB. There was no association between exposure to CO (pooled aRR = 1.04, 95% CI: 0.98–1.11, p = 0.211, N = 4); NO2 (pooled aRR = 1.08, 95% CI: 0.99–1.17, p = 0.057, N = 7); O3 (pooled aRR = 1.00, 95% CI: 0.99–1.02, p = 0.910, N = 6) and the incidence of PTB. There was no association between the investigated air pollutants and mortality or hospital admissions due to PTB. Overall quality of evidence was graded as low (GRADE approach). Exposure to PM2.5, PM10 and SO2 air pollutants was found to be associated with an increased incidence of PTB, while exposure to CO, NO2 and O3 was not. There was no observed association between exposure to these air pollutants and hospital admission or mortality due to PTB. The quality of the evidence generated, however, remains low. Addressing the tuberculosis epidemic by 2030 as per the 4th Sustainable Development Goal may require a more rigorous exploration of this association.
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Affiliation(s)
- Christian Akem Dimala
- Health and Human Development (2HD) Research Network, Douala, Cameroon.,Department of Medicine, Reading Hospital, Tower Health System, West Reading, PA, USA
| | - Benjamin Momo Kadia
- Health Education and Research Organisation (HERO) Cameroon, Buea, Cameroon. .,Department of Clinical Sciences, Liverpool School of Tropical Medicine, Liverpool, UK.
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Skuland T, Grytting VS, Låg M, Jørgensen RB, Snilsberg B, Leseman DLAC, Kubátová A, Emond J, Cassee FR, Holme JA, Øvrevik J, Refsnes M. Road tunnel-derived coarse, fine and ultrafine particulate matter: physical and chemical characterization and pro-inflammatory responses in human bronchial epithelial cells. Part Fibre Toxicol 2022; 19:45. [PMID: 35787286 PMCID: PMC9251916 DOI: 10.1186/s12989-022-00488-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2022] [Accepted: 06/26/2022] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Traffic particulate matter (PM) comprises a mixture of particles from fuel combustion and wear of road pavement, tires and brakes. In countries with low winter temperatures the relative contribution of mineral-rich PM from road abrasion may be especially high due to use of studded tires during winter season. The aim of the present study was to sample and characterize size-fractioned PM from two road tunnels paved with different stone materials in the asphalt, and to compare the pro-inflammatory potential of these fractions in human bronchial epithelial cells (HBEC3-KT) in relation to physicochemical characteristics. METHODS The road tunnel PM was collected with a vacuum pump and a high-volume cascade impactor sampler. PM was sampled during winter, both during humid and dry road surface conditions, and before and after cleaning the tunnels. Samples were analysed for hydrodynamic size distribution, content of elemental carbon (EC), organic carbon (OC) and endotoxin, and the capacity for acellular generation of reactive oxygen species. Cytotoxicity and pro-inflammatory responses were assessed in HBEC3-KT cells after exposure to coarse (2.5-10 μm), fine (0.18-2.5 μm) and ultrafine PM (≤ 0.18 μm), as well as particles from the respective stone materials used in the pavement. RESULTS The pro-inflammatory potency of the PM samples varied between road tunnels and size fractions, but showed more marked responses than for the stone materials used in asphalt of the respective tunnels. In particular, fine samples showed significant increases as low as 25 µg/mL (2.6 µg/cm2) and were more potent than coarse samples, while ultrafine samples showed more variable responses between tunnels, sampling conditions and endpoints. The most marked responses were observed for fine PM sampled during humid road surface conditions. Linear correlation analysis showed that particle-induced cytokine responses were correlated to OC levels, while no correlations were observed for other PM characteristics. CONCLUSIONS The pro-inflammatory potential of fine road tunnel PM sampled during winter season was high compared to coarse PM. The differences between the PM-induced cytokine responses were not related to stone materials in the asphalt. However, the ratio of OC to total PM mass was associated with the pro-inflammatory potential.
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Affiliation(s)
- Tonje Skuland
- Division of Climate and Environmental Health, Department of Air Quality and Noise, Norwegian Institute of Public Health, PO Box 222, 0213, Skøyen, Oslo, Norway.
| | - Vegard Sæter Grytting
- Division of Climate and Environmental Health, Department of Air Quality and Noise, Norwegian Institute of Public Health, PO Box 222, 0213, Skøyen, Oslo, Norway
| | - Marit Låg
- Division of Climate and Environmental Health, Department of Air Quality and Noise, Norwegian Institute of Public Health, PO Box 222, 0213, Skøyen, Oslo, Norway
| | - Rikke Bræmming Jørgensen
- Department of Industrial Economics and Technology Management, Norwegian University of Science and Technology, NTNU, Trondheim, Norway
| | | | - Daan L A C Leseman
- National Institute for Public Health and the Environment - RIVM, PO Box 1, 3720 BA, Bilthoven, The Netherlands
| | - Alena Kubátová
- Department of Chemistry, University of North Dakota, Grand Forks, ND, USA
| | - Jessica Emond
- Department of Chemistry, University of North Dakota, Grand Forks, ND, USA
| | - Flemming R Cassee
- National Institute for Public Health and the Environment - RIVM, PO Box 1, 3720 BA, Bilthoven, The Netherlands.,Institute for Risk Assessment Sciences, Utrecht University, Utrecht, The Netherlands
| | - Jørn A Holme
- Division of Climate and Environmental Health, Department of Air Quality and Noise, Norwegian Institute of Public Health, PO Box 222, 0213, Skøyen, Oslo, Norway
| | - Johan Øvrevik
- Division of Climate and Environmental Health, Norwegian Institute of Public Health, PO Box 222, 0213, Skøyen, Oslo, Norway.,Department of Biosciences, Faculty of Mathematics and Natural Sciences, University of Oslo, PO Box 1066, 0316, Blindern, Oslo, Norway
| | - Magne Refsnes
- Division of Climate and Environmental Health, Department of Air Quality and Noise, Norwegian Institute of Public Health, PO Box 222, 0213, Skøyen, Oslo, Norway
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Air Quality, Pollution and Sustainability Trends in South Asia: A Population-Based Study. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:ijerph19127534. [PMID: 35742785 PMCID: PMC9224398 DOI: 10.3390/ijerph19127534] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/16/2022] [Revised: 06/05/2022] [Accepted: 06/15/2022] [Indexed: 12/22/2022]
Abstract
Introduction: Worsening air quality and pollution lead to numerous environmental health and sustainability issues in the South Asia region. This study analyzes India, Nepal, Bangladesh, Pakistan, Sri Lanka, and Nepal for air quality data trends and sustainability indicators. Methodology: By using a population-based study design, six South Asian countries were analyzed using a step-wise approach. Data were obtained from government websites and publicly available repositories for region dynamics and key variables. Results: Between 1990 and 2020, air quality data indicated the highest rise in CO2 emissions in India (578.5 to 2441.8 million tons) (MT), Bangladesh, Nepal, and Pakistan. Greenhouse gas emissions, from 1990 to 2018, nearly tripled in India (1990.4 to 3346.6 MT of CO2-equivalents), Nepal (20.6 to 54.6 MT of CO2-equivalents), and Pakistan, and doubled in Bangladesh. Methane emissions rose the highest in Pakistan (70.4 to 151 MT of CO2-equivalents), followed by Nepal (17 to 31 MT of CO2-equivalents) and India (524.8 to 669.3 MT of CO2-equivalents). Nitrous oxide nearly doubled in Bangladesh (16.5 to 29.3 MT of CO2-equivalents), India (141.6 to 256.9 MT of CO2-equivalents), Nepal (17 to 31 MT of CO2-equivalents), and more than doubled in Pakistan (27 to 61 MT of CO2-equivalents). On noting particulate matter 2,5 annual exposure, India saw the highest rise from 81.3 µg/m3 (in 1990) to 90.9 µg/m3 (2017), whereas trends were steady in Pakistan (60.34 to 58.3 µg/m3). The highest rise was noted in Nepal (87.6 to 99.7 µg/m3) until 2017. During the coronavirus disease 19 pandemic, the pre-and post-pandemic changes between 2018 and 2021 indicated the highest PM2.5 concentration in Bangladesh (76.9 µg/m3), followed by Pakistan (66.8 µg/m3), India (58.1 µg/m3), Nepal (46 µg/m3) and Sri Lanka (17.4 µg/m3). Overall, South Asian countries contribute to the worst air quality and sustainability trends regions worldwide. Conclusions: Air pollution is prevalent across a majority of South Asia countries. Owing to unsustainable industrial practices, pollution trends have risen to hazardous levels. Economic, environmental, and human health impacts have manifested and require urgent, concerted efforts by governing bodies in the region.
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Particulate matter in COPD pathogenesis: an overview. Inflamm Res 2022; 71:797-815. [PMID: 35710643 DOI: 10.1007/s00011-022-01594-y] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2022] [Revised: 05/23/2022] [Accepted: 05/24/2022] [Indexed: 02/06/2023] Open
Abstract
Chronic obstructive pulmonary disease (COPD) is a progressive lung disorder with substantial patient burden and leading cause of death globally. Cigarette smoke remains to be the most recognised causative factor behind COPD pathogenesis. Given the alarming increase in prevalence of COPD amongst non-smokers in recent past, a potential role of air pollution particularly particulate matter (PM) in COPD development has gained much attention of the scientists. Indeed, several epidemiological studies indicate strong correlation between airborne PM and COPD incidence/exacerbations. PM-induced oxidative stress seems to be the major player in orchestrating COPD inflammatory cycle but the exact molecular mechanism(s) behind such a process are still poorly understood. This may be due to the complexity of multiple molecular pathways involved. Oxidative stress-linked mitochondrial dysfunction and autophagy have also gained importance and have been the focus of recent studies regarding COPD pathogenesis. Accordingly, the present review is aimed at understanding the key molecular players behind PM-mediated COPD pathogenesis through analysis of various experimental studies supported by epidemiological data to identify relevant preventive/therapeutic targets in the area.
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Hua Y, Yuan X, Wang J, Zeng K, Zhi S, Liu L. Association between air pollution and hospital admissions for chronic respiratory disease in people aged over 65 years: a time series analysis in Ningbo, China, 2015-2017. Int Arch Occup Environ Health 2022; 95:1293-1304. [PMID: 35661917 DOI: 10.1007/s00420-022-01887-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2021] [Accepted: 05/16/2022] [Indexed: 11/25/2022]
Abstract
PURPOSE To provide essential information of environmental triggers leading to CRD. METHODS We investigated the short-term effects of ambient air pollutants on CRD-related hospitalizations in people aged ≥ 65 years in Ningbo. Data on 23,610 cases of CRD requiring hospitalization were collected from January 2015 to August 2017. After adjusting for temporal trends, seasonality, meteorological conditions, day of week (DOW), and public holidays, we used generalized additive Poisson distribution models to calculate the excess risks (ERs) and 95% confidence intervals (95% CIs) of CRD related hospitalizations. RESULTS Our results showed that fine particulate matter (PM2.5), inhalable particulate matter (PM10), sulfur dioxide (SO2), nitrogen dioxide (NO2), and carbon monoxide (CO) were associated with CRD-related hospitalizations in people aged ≥ 65 years. We observed that each 10 μg/m3 increase (except for each 0.1 mg/m3 increase in CO) in the concentration of air pollutants, the percentage of CRD-related hospitalizations due to PM2.5, PM10, and SO2 exposure at lag 07, NO2 exposure at lag 03, and CO exposure at lag 0 increased by 2.13% (95% CI: 0.55%, 3.74%), 1.76% (95% CI: 0.70%, 2.83%), 8.24% (95% CI: 0.92%, 16.09%), 2.16% (95% CI: 0.26%, 4.05%), and 1.19% (95% CI: 0.26%, 2.12%), respectively. In addition, we found stronger effects of particulate matter in 75-84 years age group, on warmer days, and in asthmatics. CONCLUSION In conclusion, air pollution may have adverse effects on CRD-related hospitalizations among people aged ≥ 65 years in Ningbo. Therefore, public health measures should be taken to improve air quality.
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Affiliation(s)
- Yuzhe Hua
- School of Medicine, Ningbo University, Ningbo, China
| | - Xiaoqi Yuan
- Ningbo Women and Children Hospital, Ningbo, China
| | - Jichao Wang
- The Affiliated Hospital of Medical School, Ningbo, China
| | - Ke Zeng
- The Affiliated Hospital of Medical School, Ningbo, China
| | - Shuai Zhi
- School of Medicine, Ningbo University, Ningbo, China
| | - Liya Liu
- School of Medicine, Ningbo University, Ningbo, China.
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Repeated exposure of bronchial epithelial cells to particular matter increases allergen-induced cytokine release and permeability. Cytokine 2022; 154:155878. [DOI: 10.1016/j.cyto.2022.155878] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2022] [Accepted: 04/03/2022] [Indexed: 11/22/2022]
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Yao B, Ma A, Feng R, Shen X, Zhang M, Yao Y. A Deep Learning Framework About Traffic Flow Forecasting for Urban Traffic Emission Monitoring System. Front Public Health 2022; 9:804298. [PMID: 35155353 PMCID: PMC8825479 DOI: 10.3389/fpubh.2021.804298] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Accepted: 12/10/2021] [Indexed: 11/13/2022] Open
Abstract
As urban traffic pollution continues to increase, there is an urgent need to build traffic emission monitoring and forecasting system for the urban traffic construction. The traffic emission monitoring and forecasting system's core is the prediction of traffic emission's evolution. And the traffic flow prediction on the urban road network contributes greatly to the prediction of traffic emission's evolution. Due to the complex non-Euclidean topological structure of traffic networks and dynamic heterogeneous spatial-temporal correlations of traffic conditions, it is difficult to obtain satisfactory prediction results with less computation cost. To figure these issues out, a novel deep learning traffic flow forecasting framework is proposed in this paper, termed as Ensemble Attention based Graph Time Convolutional Networks (EAGTCN). More specifically, each component of our model contains two major blocks: (1) the global spatial patterns are captured by the spatial blocks which are fused by the Graph Convolution Network (GCN) and spatial ensemble attention layer; (2) the temporal patterns are captured by the temporal blocks which are composed by the Time Convolution Net (TCN) and temporal ensemble attention layers. Experiments on two real-world datasets demonstrate that our model obtains more accurate prediction results than the state-of-the-art baselines at less computation expense especially in the long-term prediction situation.
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Affiliation(s)
- Baozhen Yao
- State Key Laboratory of Structural Analysis for Industrial Equipment, School of Automotive Engineering, Dalian University of Technology, Dalian, China
| | - Ankun Ma
- State Key Laboratory of Structural Analysis for Industrial Equipment, School of Automotive Engineering, Dalian University of Technology, Dalian, China
| | - Rui Feng
- State Key Laboratory of Structural Analysis for Industrial Equipment, School of Automotive Engineering, Dalian University of Technology, Dalian, China
| | | | - Mingheng Zhang
- State Key Laboratory of Structural Analysis for Industrial Equipment, School of Automotive Engineering, Dalian University of Technology, Dalian, China
| | - Yansheng Yao
- School of Mechanical and Electrical Engineering, Anhui Jianzhu University, Hefei, China
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Sopaj F, Paçarizi M, Stafilov T, Tašev K, Šajn R. Statistical analysis of atmospheric deposition of heavy metals in Kosovo using the terrestrial mosses method. JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH. PART A, TOXIC/HAZARDOUS SUBSTANCES & ENVIRONMENTAL ENGINEERING 2022; 57:335-346. [PMID: 35410582 DOI: 10.1080/10934529.2022.2063607] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/03/2022] [Revised: 04/01/2022] [Accepted: 04/01/2022] [Indexed: 06/14/2023]
Abstract
Heavy metals presence in the air in the territory of Kosovo was estimated using mosses as biomonitors. The periodic smog over the territory of Kosovo, particularly around industrial sites and cities, is a clear indication of air pollution which unavoidably will contain heavy metals, because of the nature of the industries in area. This work was carried out aming to assess the presence of heavy metals in the air, identify the most polluted sites, and the origins of pollution. Heavy metals such as Al, Cd, Cr, Cu, Fe, Ni, Pb, and Zn, were determined in 45 moss samples. Statistical analysis was performed to better explain the data. The most polluted sites appeared to be in Zveqan, Stanterg, Prapashticë, Siboc, and Lupç. The contamination factor (CF) showed that only Cu and Zn had no or almost no contamination levels over the range of moss samples with CF < 1, while Cd and Pb gave extremely high values, CF > 27. Pollution load index (PLI) also showed that only a few samples are moderately polluted 2 < PLI ≤ 3, while most of the samples appeared to be highly polluted 4 < PLI ≤ 5, and very highly polluted PLI > 5.
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Affiliation(s)
- Flamur Sopaj
- Department of Chemistry, Faculty of Mathematics and Natural Sciences, University of Prishtina, Prishtina, Kosovo
| | - Musaj Paçarizi
- Department of Chemistry, Faculty of Mathematics and Natural Sciences, University of Prishtina, Prishtina, Kosovo
| | - Trajče Stafilov
- Institute of Chemistry, Faculty of Natural Sciences and Mathematics, Ss Cyril and Methodius University, Skopje, North Macedonia
| | - Krste Tašev
- State Phytosanitary Laboratory, Skopje, North Macedonia
| | - Robert Šajn
- Geological Survey of Slovenia, Ljubljana, Slovenia
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Zhao L, Zhang M, Bai L, Zhao Y, Cai Z, Yung KKL, Dong C, Li R. Real-world PM 2.5 exposure induces pathological injury and DNA damage associated with miRNAs and DNA methylation alteration in rat lungs. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:28788-28803. [PMID: 34988794 DOI: 10.1007/s11356-021-17779-7] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/26/2021] [Accepted: 11/23/2021] [Indexed: 06/14/2023]
Abstract
Fine particulate matter (PM2.5) has been demonstrated to threaten public health and increase lung cancer risk. DNA damage is involved in the pathogenesis of lung cancer. However, the mechanisms of epigenetic modification of lung DNA damage are still unclear. This study developed a real-world air PM2.5 inhalation system and exposed rats for 1 and 2 months, respectively, and investigated rat lungs pathological changes, inflammation, oxidative stress, and DNA damage effects. OGG1 and MTH1 expression was measured, along with their DNA methylation status and related miRNAs expression. The results showed that PM2.5 exposure led to pathological injury, influenced levels of inflammatory cytokines and oxidative stress factors in rat lungs. Of note, 2-month PM2.5 exposure aggravated pathological injury. Besides, PM2.5 significantly elevated OGG1 expression and suppressed MTH1 expression, which was correlated to oxidative stress and partially mediated by reducing OGG1 DNA methylation status and increasing miRNAs expression related to MTH1 in DNA damage with increases of γ-H2AX, 8-OHdG and GADD153. PM2.5 also activated c-fos and c-jun levels and inactivated PTEN levels in rat lungs. These suggested that epigenetic modification was probably a potential mechanism by which PM2.5-induced genotoxicity in rat lungs.
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Affiliation(s)
- Lifang Zhao
- Institute of Environmental Science, Shanxi University, Taiyuan, China
| | - Mei Zhang
- Institute of Environmental Science, Shanxi University, Taiyuan, China
| | - Lirong Bai
- Institute of Environmental Science, Shanxi University, Taiyuan, China
| | - Yufei Zhao
- Institute of Environmental Science, Shanxi University, Taiyuan, China
| | - Zongwei Cai
- State Key Laboratory of Environmental and Biological Analysis, Hong Kong Baptist University, Hong Kong SAR, China
| | - Ken Kin Lam Yung
- Institute of Environmental Science, Shanxi University, Taiyuan, China
- Department of Biology, Hong Kong Baptist University, Hong Kong SAR, China
| | - Chuan Dong
- Institute of Environmental Science, Shanxi University, Taiyuan, China.
| | - Ruijin Li
- Institute of Environmental Science, Shanxi University, Taiyuan, China.
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Wronka I, Kliś K. Effect of air pollution on age at menarche in polish females, born 1993-1998. Sci Rep 2022; 12:4820. [PMID: 35315430 PMCID: PMC8938500 DOI: 10.1038/s41598-022-08577-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2021] [Accepted: 03/07/2022] [Indexed: 11/09/2022] Open
Abstract
The aim of the study was to analyse the association between the degree of air pollution (suspended particulate matter, sulphur dioxide, benzopyrene levels) in the location of residence during childhood and adolescence and the age at menarche. The research was carried out in the period from 2015 to 2018 in Poland. Anthropometric measurements were performed, and questionnaire data were collected from 1,257 women, aged 19-25 years. The average levels of subjects' exposure to analysed air pollutants, i.e., particulate matter, sulphur dioxide, nitric oxide and benzene during childhood-adolescence was assessed from the data acquired by the Polish Chief Inspectorate for Environmental Protection. Negative relationships between age at menarche and suspended particulate matter as well as nitrogen levels were found. A similar trend was observed in an analysis of the relationship between age at menarche and the complex air pollution index. The tendency for age at menarche to decrease together with worsening air quality was also visible after adjusted for socioeconomic status. Girls exposed to high suspended particulate matter levels were characterised by higher risk of early age at menarche. High levels of air pollution are related to younger age at menarche and the risk of the menstruation onset below 11 years.
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Affiliation(s)
- Iwona Wronka
- Laboratory of Anthropology, Institute of Zoology and Biomedical Research, Faculty of Biology, Jagiellonian University in Kraków, ul. Gronostajowa 9, 30-387, Kraków, Poland.
| | - Katarzyna Kliś
- Laboratory of Anthropology, Institute of Zoology and Biomedical Research, Faculty of Biology, Jagiellonian University in Kraków, ul. Gronostajowa 9, 30-387, Kraków, Poland
- Department of Human Biology, University of Wrocław, Wrocław, Poland
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