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Ambient air pollution

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https://www.readbyqxmd.com/read/28107740/ambient-air-pollution-and-primary-liver-cancer-incidence-in-four-european-cohorts-within-the-escape-project
#1
Marie Pedersen, Zorana J Andersen, Massimo Stafoggia, Gudrun Weinmayr, Claudia Galassi, Mette Sørensen, Kirsten T Eriksen, Anne Tjønneland, Steffen Loft, Andrea Jaensch, Gabriele Nagel, Hans Concin, Ming-Yi Tsai, Sara Grioni, Alessandro Marcon, Vittorio Krogh, Fulvio Ricceri, Carlotta Sacerdote, Andrea Ranzi, Ranjeet Sokhi, Roel Vermeulen, Kees de Hoogh, Meng Wang, Rob Beelen, Paolo Vineis, Bert Brunekreef, Gerard Hoek, Ole Raaschou-Nielsen
BACKGROUND: Tobacco smoke exposure increases the risk of cancer in the liver, but little is known about the possible risk associated with exposure to ambient air pollution. OBJECTIVES: We evaluated the association between residential exposure to air pollution and primary liver cancer incidence. METHODS: We obtained data from four cohorts with enrolment during 1985-2005 in Denmark, Austria and Italy. Exposure to nitrogen oxides (NO2 and NOX), particulate matter (PM) with diameter of less than 10µm (PM10), less than 2...
January 17, 2017: Environmental Research
https://www.readbyqxmd.com/read/28107509/development-of-combining-of-human-bronchial-mucosa-models-with-xposeali%C3%A2-for-exposure-of-air-pollution-nanoparticles
#2
Jie Ji, Anna Hedelin, Maria Malmlöf, Vadim Kessler, Gulaim Seisenbaeva, Per Gerde, Lena Palmberg
BACKGROUND: Exposure to agents via inhalation is of great concerns both in workplace environment and in the daily contact with particles in the ambient air. Reliable human airway exposure systems will most likely replace animal experiment in future toxicity assessment studies of inhaled agents. METHODS: In this study, we successfully established a combination of an exposure system (XposeALI) with 3D models mimicking both healthy and chronic bronchitis-like mucosa by co-culturing human primary bronchial epithelial cells (PBEC) and fibroblast at air-liquid interface (ALI)...
2017: PloS One
https://www.readbyqxmd.com/read/28106813/transcriptome-profiling-of-the-lungs-reveals-molecular-clock-genes-expression-changes-after-chronic-exposure-to-ambient-air-particles
#3
Pengcheng Song, Zhigang Li, Xiaoqian Li, Lixin Yang, Lulu Zhang, Nannan Li, Chen Guo, Shuyu Lu, Yongjie Wei
The symptoms of asthma, breathlessness, insomnia, etc. all have relevance to pulmonary rhythmic disturbances. Epidemiology and toxicology studies have demonstrated that exposure to ambient air particles can result in pulmonary dysfunction. However, there are no data directly supporting a link between air pollution and circadian rhythm disorder. In the present study, we found that breathing highly polluted air resulted in changes of the molecular clock genes expression in lung by transcriptome profiling analyses in a rodent model...
January 18, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28104557/a-comparative-study-on-capability-of-different-tree-species-in-accumulating-heavy-metals-from-soil-and-ambient-air
#4
Ahmad Alahabadi, Mohammad Hassan Ehrampoush, Mohammad Miri, Hamideh Ebrahimi Aval, Samira Yousefzadeh, Hamid Reza Ghaffari, Ehsan Ahmadi, Parvaneh Talebi, Zeynab Abaszadeh Fathabadi, Fatemeh Babai, Ali Nikoonahad, Kiomars Sharafi, Ahmad Hosseini-Bandegharaei
Heavy metals (HMs) in the urban environment can be bio-accumulated by plant tissues. The aim of this study was to compare fourteen different tree species in terms of their capability to accumulate four airborne and soilborne HMs including; zinc (Zn), copper (Cu), lead (Pb), and cadmium (Cd). Samplings were performed during spring, summer, and fall seasons. To compare bioaccumulation ability, bio-concentration factor (BCF), comprehensive bio-concentration index (CBCI), and metal accumulation index (MAI) were applied...
January 7, 2017: Chemosphere
https://www.readbyqxmd.com/read/28101729/air-pollution-and-successful-aging-recent-evidence-and-new-perspectives
#5
REVIEW
Gali Cohen, Yariv Gerber
PURPOSE OF REVIEW: Worldwide demographic changes occurring in a relatively short period have led to a growing interest in the determinants of aging "successfully" and how to promote a healthier old age. As environmental exposures such as ambient air pollution are believed to play a role in the process of aging, they might represent one of the pathways turning potential successful agers to unsuccessful agers. We aimed to critically review the current epidemiological evidence of the associations between chronic exposure to ambient air pollution and several key determinants of unsuccessful aging and to identify specific populations of unsuccessful agers that are potentially more vulnerable to air pollution's health effects...
January 18, 2017: Current Environmental Health Reports
https://www.readbyqxmd.com/read/28101367/contribution-of-point-and-small-scaled-sources-to-the-pm10-emission-using-positive-matrix-factorization-model
#6
Zohre Farahmandkia, Faramarz Moattar, Farid Zayeri, Mohamad Sadegh Sekhavatjou, Nabiollah Mansouri
BACKGROUND: The positive matrix factorization is a powerful environmental analysis technique which has been successfully utilized to assess air-born particulate matter source contribution. The new version of this model (PMF5) has two additional estimation error methods and some other useful advantages compared to the previous versions. In the present study, the capability of PMF5 for identification and contribution of small size particle source to the ambient particulate matter was evaluated...
2017: Journal of Environmental Health Science & Engineering
https://www.readbyqxmd.com/read/28100545/chronic-effects-of-air-pollution-on-lung-function-after-lung-transplantation-in-the-systems-prediction-of-chronic-lung-allograft-dysfunction-sysclad-study
#7
Meriem Benmerad, Rémy Slama, Karine Botturi, Johanna Claustre, Antoine Roux, Edouard Sage, Martine Reynaud-Gaubert, Carine Gomez, Romain Kessler, Olivier Brugière, Jean-François Mornex, Sacha Mussot, Marcel Dahan, Véronique Boussaud, Isabelle Danner-Boucher, Claire Dromer, Christiane Knoop, Annick Auffray, Johanna Lepeule, Laure Malherbe, Frederik Meleux, Laurent Nicod, Antoine Magnan, Christophe Pison, Valérie Siroux
An irreversible loss in lung function limits the long-term success in lung transplantation. We evaluated the role of chronic exposure to ambient air pollution on lung function levels in lung transplant recipients (LTRs).The lung function of 520 LTRs from the Cohort in Lung Transplantation (COLT) study was measured every 6 months. The levels of air pollutants (nitrogen dioxide (NO2), particulate matter with an aerodynamic cut-off diameter of x µm (PMx) and ozone (O3)) at the patients' home address were averaged in the 12 months before each spirometry test...
January 2017: European Respiratory Journal: Official Journal of the European Society for Clinical Respiratory Physiology
https://www.readbyqxmd.com/read/28100255/early-life-exposure-to-air-pollution-and-greater-use-of-academic-support-services-in-childhood-a-population-based-cohort-study-of-urban-children
#8
Jeanette A Stingone, Katharine H McVeigh, Luz Claudio
BACKGROUND: There is a growing literature showing associations between prenatal and early-life exposure to air pollution and children's neurodevelopment. However, it is unclear if decrements in neurodevelopment observed in epidemiologic research translate into observable functional outcomes in the broader pediatric population. The objective of this study was to examine the association between early-life exposures to common urban air toxics and the use of academic support services, such as early intervention and special education within a population-based cohort of urban children...
January 18, 2017: Environmental Health: a Global Access Science Source
https://www.readbyqxmd.com/read/28098225/the-impacts-of-air-pollution-on-maternal-stress-during-pregnancy
#9
Yanfen Lin, Leilei Zhou, Jian Xu, Zhongcheng Luo, Haidong Kan, Jinsong Zhang, Chonghuai Yan, Jun Zhang
To investigate the association of air pollution with maternal stress during pregnancy, we enrolled 1,931 women during mid-to-late pregnancy in Shanghai in 2010. The "Life-Event Scale for Pregnant Women" and "Symptom-Checklist-90-Revised Scale" (SCL-90-R) were used to evaluate life event stress and emotional stress, respectively. Air pollution data were collected for each district where pregnant women lived during pregnancy. We associated ambient air pollution with stress scores using multivariable logistic regression models...
January 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28094515/nanoporous-materials-for-the-onboard-storage-of-natural-gas
#10
K Vasanth Kumar, Kathrin Preuss, Maria-Magdalena Titirici, Francisco Rodríguez-Reinoso
Climate change, global warming, urban air pollution, energy supply uncertainty and depletion, and rising costs of conventional energy sources are, among others, potential socioeconomic threats that our community faces today. Transportation is one of the primary sectors contributing to oil consumption and global warming, and natural gas (NG) is considered to be a relatively clean transportation fuel that can significantly improve local air quality, reduce greenhouse-gas emissions, and decrease the energy dependency on oil sources...
January 17, 2017: Chemical Reviews
https://www.readbyqxmd.com/read/28089581/accountability-studies-of-air-pollution-and-health-effects-lessons-learned-and-recommendations-for-future-natural-experiment-opportunities
#11
REVIEW
David Q Rich
To address limitations of observational epidemiology studies of air pollution and health effects, including residual confounding by temporal and spatial factors, several studies have taken advantage of 'natural experiments', where an environmental policy or air quality intervention has resulted in reductions in ambient air pollution concentrations. Researchers have examined whether the population impacted by these air quality improvements, also experienced improvements in various health indices (e.g. reduced morbidity/mortality)...
January 12, 2017: Environment International
https://www.readbyqxmd.com/read/28089413/relation-of-st-segment-elevation-myocardial-infarction-to-daily-ambient-temperature-and-air-pollutant-levels-in-a-japanese-nationwide-percutaneous-coronary-intervention-registry
#12
Kyohei Yamaji, Shun Kohsaka, Takeshi Morimoto, Kenshi Fujii, Tetsuya Amano, Shiro Uemura, Takashi Akasaka, Kazushige Kadota, Masato Nakamura, Takeshi Kimura
Effects of daily fluctuation of ambient temperature and concentrations of air pollutants on acute cardiovascular events have not been well studied. From January 2011 to December 2012, a total of 56,863 consecutive ST-segment elevation myocardial infarction (STEMI) patients who underwent primary percutaneous coronary intervention were registered from 929 institutes with median interinstitutional distance of 2.6 km. We constructed generalized linear mixed models in which the presence or absence of patients with STEMI per day per institute was included as a binomial response variable, with daily meteorologic and environmental data obtained from their respective observatories nearest to the institutes (median distance of 9...
December 18, 2016: American Journal of Cardiology
https://www.readbyqxmd.com/read/28088026/current-ambient-concentrations-of-ozone-in-panama-modulate-the-leaf-chemistry-of-the-tropical-tree-ficus-insipida
#13
Gerald F Schneider, Alexander W Cheesman, Klaus Winter, Benjamin L Turner, Stephen Sitch, Thomas A Kursar
Tropospheric ozone (O3) is a major air pollutant and greenhouse gas, affecting carbon dynamics, ecological interactions, and agricultural productivity across continents and biomes. Elevated [O3] has been documented in tropical evergreen forests, the epicenters of terrestrial primary productivity and plant-consumer interactions. However, the effects of O3 on vegetation have not previously been studied in these forests. In this study, we quantified ambient O3 in a region shared by forests and urban/commercial zones in Panama and found levels two to three times greater than in remote tropical sites...
December 27, 2016: Chemosphere
https://www.readbyqxmd.com/read/28087836/neuropathological-consequences-of-gestational-exposure-to-concentrated-ambient-fine-and-ultrafine-particles-in-the-mouse
#14
Carolyn Klocke, Joshua L Allen, Marissa Sobolewski, Margot Mayer-Pröschel, Jason L Blum, Dana Lauterstein, Judith T Zelikoff, Deborah A Cory-Slechta
Increasing evidence indicates that the central nervous system (CNS) is a target of air pollution. We previously reported that postnatal exposure of mice to concentrated ambient ultrafine particles (UFP; ≤100nm) via the University of Rochester HUCAPS system during a critical developmental window of CNS development, equivalent to human 3(rd) trimester, produced male-predominant neuropathological and behavioral characteristics common to multiple neurodevelopmental disorders, including autism spectrum disorder (ASD), in humans...
January 13, 2017: Toxicological Sciences: An Official Journal of the Society of Toxicology
https://www.readbyqxmd.com/read/28087511/invited-commentary-ambient-environment-and-the-risk-of-preterm-birth
#15
Sandie Ha, Pauline Mendola
Preterm birth is a common adverse birth outcome known to be associated with increased infant mortality, and it often results in a higher burden of offspring morbidity in both the short and long terms. The potential for environmental factors, particularly air pollution and meteorological parameters, to increase preterm birth risk has received significant attention worldwide, but the findings are generally inconsistent, with variations in study designs and methods across populations and geographic locations. In the current issue of the Journal, Giorgis-Allemand et al...
January 13, 2017: American Journal of Epidemiology
https://www.readbyqxmd.com/read/28069303/attributable-risk-of-ambient-pm10-on-daily-mortality-and-years-of-life-lost-in-chengdu-china
#16
Fei Chen, Zibing Deng, Ying Deng, Zhijiao Qiao, Lan Lan, Qiong Meng, Bin Luo, Wei Zhang, Kui Ji, Xue Qiao, Zhiwei Fan, Meixia Zhang, Yan Cui, Xing Zhao, Xiaosong Li
Attributable risk is an important indicator for planning and evaluating public health interventions. However, most current measures of the attributable risk of air pollutants have not considered temporal relationships between exposure and risk. More importantly, limited information is available regarding the attributable risk due to ambient air pollutants in basin regions like the Sichuan Basin, China. To quantify the association between PM10 and deaths in the Basin region, we used a measure proposed recently within the framework of the distributed lag non-linear model to estimate the attributable risk in Chengdu, China...
January 6, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28068894/strain-differences-in-a-murine-model-of-air-pollutant-induced-nonatopic-asthma-and-rhinitis
#17
Jack R Harkema, Lucas A Hotchkiss, Nicholas A Vetter, Daven N Jackson-Humbles, Ryan P Lewandowski, James G Wagner
Ozone is an irritating gas found in photochemical smog. Epidemiological associations have been made between the onset of asthma and childhood exposures to increasing levels of ambient ozone (i.e., air pollutant-induced nonatopic asthma). Individuals, however, vary in their susceptibility to this outdoor air pollutant, which may be due, in part, to their genetic makeup. The present study was designed to test the hypothesis that there are murine strain-dependent differences in pulmonary and nasal pathologic responses to repeated ozone exposures...
January 2017: Toxicologic Pathology
https://www.readbyqxmd.com/read/28063317/temporal-and-spatial-distribution-sources-and-potential-health-risks-of-ambient-polycyclic-aromatic-hydrocarbons-in-the-yangtze-river-delta-yrd-of-eastern-china
#18
Shan Niu, Liang Dong, Lifei Zhang, Chaofei Zhu, Reti Hai, Yeru Huang
In this study, from July 2011 to June 2012, 31 sampling sites were identified in order to investigate the concentrations and sources of polycyclic aromatic hydrocarbons (PAHs), as well as to evaluate their potential health risks in the cities of Suzhou, Wuxi, and Nantong, which are located in the Yangtze River Delta (YRD). The samples were collected by means of passive air sampling (PAS), and the contents of 15 PAHs were detected by gas chromatography-mass spectrometry. The ∑15PAHs concentrations were found to range from 6...
December 26, 2016: Chemosphere
https://www.readbyqxmd.com/read/28061370/fine-particulate-air-pollution-and-premature-ventricular-contractions-the-reasons-for-geographic-and-racial-differences-in-stroke-regards-study
#19
Wesley T O'Neal, Elsayed Z Soliman, Jimmy T Efird, Virginia J Howard, George Howard, Leslie A McClure
BACKGROUND: It is unknown if higher levels of ambient particulate matter (PM) exposure increase the risk for premature ventricular contractions (PVC) in a population-based study of men and women, and if this relationship varies by race or sex. METHODS: We examined the association of PM <2.5µm in diameter (PM2.5) concentration with PVCs in 26,121 (mean age=64±9.3 years; 55% female; 41% black) participants from the REasons for Geographic And Racial Differences in Stroke (REGARDS) study...
January 3, 2017: Environmental Research
https://www.readbyqxmd.com/read/28040215/the-impact-of-anthropogenic-emissions-and-meteorological-conditions-on-the-spatial-variation-of-ambient-so2-concentrations-a-panel-study-of-113-chinese-cities
#20
Xue Yang, Shaojian Wang, Wenzhong Zhang, Dongsheng Zhan, Jiaming Li
China has received increased international criticism in recent years in relation to its air pollution levels, both in terms of the transmission of pollutants across international borders and the attendant adverse health effects being witnessed. Whilst existing research has examined the factors influencing ambient air pollutant concentrations, previous studies have failed to adequately explore the determinants of such concentrations from either a source or diffusion perspective. This study addressed both source (specifically, anthropogenic emissions) and diffusion (namely, meteorological conditions) indicators, in order to detect their respective impacts on the spatial variations seen in the distribution of air pollution...
December 28, 2016: Science of the Total Environment
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