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https://www.readbyqxmd.com/read/29145477/the-abundance-of-health-associated-bacteria-is-altered-in-pah-polluted-soils-implications-for-health-in-urban-areas
#1
Anirudra Parajuli, Mira Grönroos, Sari Kauppi, Tomasz Płociniczak, Marja I Roslund, Polina Galitskaya, Olli H Laitinen, Heikki Hyöty, Ari Jumpponen, Rauni Strömmer, Martin Romantschuk, Nan Hui, Aki Sinkkonen
Long-term exposure to polyaromatic hydrocarbons (PAHs) has been connected to chronic human health disorders. It is also well-known that i) PAH contamination alters soil bacterial communities, ii) human microbiome is associated with environmental microbiome, and iii) alteration in the abundance of members in several bacterial phyla is associated with adverse or beneficial human health effects. We hypothesized that soil pollution by PAHs altered soil bacterial communities that had known associations with human health...
2017: PloS One
https://www.readbyqxmd.com/read/29145152/possible-role-of-arthrospira-platensis-in-reversing-oxidative-stress-mediated-liver-damage-in-rats-exposed-to-lead
#2
Samah R Khalil, Walaa M Elhady, Yaser H A Elewa, Noura E Abd El-Hameed, Sozan A Ali
Environmental pollutants, particularly metallic elements, mobilized and released into the environment, eventually accumulate in the food chain and thus pose a serious threat to human and animal health. In the present study, the role of Arthrospira (Spirulina platensis; SP) as a protector against oxidative stress-mediated liver damage induced by an exposure to lead acetate (LA; as a metallic pollutant) was assessed. To achieve this aim, rats were orally administered with 300 mg/kg bw SP for 15 days, before and concurrently with an intraperitoneal injection of 50 mg/kg bw LA (6 injections throughout 15 days)...
November 13, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29145052/a-comparison-of-personal-exposure-to-air-pollutants-in-different-travel-modes-on-national-highways-in-india
#3
Soma Sekhara Rao Kolluru, Aditya Kumar Patra, Satya Prakash Sahu
People often travel a long distance on highways to the nearest city for professional/business activities. However, relatively few publications on passenger exposure to pollutants on highways in India or elsewhere are available. The aim of this study was to examine the contribution of different travel modes to passengers' pollutant exposure for a long distance travel on a national highway in India. We measured PM2.5 and CO exposure levels of the passengers over 200km on a national highway using two portable air monitors, EVM-7 and EPAM-5000...
November 13, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/29145048/development-of-a-microscale-land-use-regression-model-for-predicting-no2-concentrations-at-a-heavy-trafficked-suburban-area-in-auckland-nz
#4
L F Weissert, J A Salmond, G Miskell, M Alavi-Shoshtari, D E Williams
Land use regression (LUR) analysis has become a key method to explain air pollutant concentrations at unmeasured sites at city or country scales, but little is known about the applicability of LUR at microscales. We present a microscale LUR model developed for a heavy trafficked section of road in Auckland, New Zealand. We also test the within-city transferability of LUR models developed at different spatial scales (local scale and city scale). Nitrogen dioxide (NO2) was measured during summer at 40 sites and a LUR model was developed based on standard criteria...
November 13, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/29145006/a-cross-disciplinary-evaluation-of-evidence-for-multipollutant-effects-on-cardiovascular-disease
#5
REVIEW
Thomas J Luben, Barbara J Buckley, Molini M Patel, Tina Stevens, Evan Coffman, Kristen M Rappazzo, Elizabeth O Owens, Erin P Hines, Danielle Moore, Kyle Painter, Ryan Jones, Laura Datko-Williams, Adrien A Wilkie, Meagan Madden, Jennifer Richmond-Bryant
BACKGROUND: The current single-pollutant approach to regulating ambient air pollutants is effective at protecting public health, but efficiencies may be gained by addressing issues in a multipollutant context since multiple pollutants often have common sources and individuals are exposed to more than one pollutant at a time. OBJECTIVE: We performed a cross-disciplinary review of the effects of multipollutant exposures on cardiovascular effects. METHODS: A broad literature search for references including at least two criteria air pollutants (particulate matter [PM], ozone [O3], oxides of nitrogen, sulfur oxides, carbon monoxide) was conducted...
November 13, 2017: Environmental Research
https://www.readbyqxmd.com/read/29144419/air-pollution-and-dispensed-medications-for-asthma-and-possible-effect-modifiers-related-to-mental-health-and-socio-economy-a-longitudinal-cohort-study-of-swedish-children-and-adolescents
#6
Anna Oudin, Lennart Bråbäck, Daniel Oudin Åström, Bertil Forsberg
It has been suggested that children that are exposed to a stressful environment at home have an increased susceptibility for air pollution-related asthma. The aim here was to investigate the association between air pollution exposure and asthma, and effect modification by mental health and by socio-economic status (as markers of a stressful environment). All individuals under 18 years of age in four Swedish counties during 2007 to 2010 (1.2 million people) were included. The outcome was defined as dispensing at least two asthma medications during follow up...
November 16, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/29143852/exposure-to-sublethal-ammonia-concentrations-alters-the-duration-and-intensity-of-agonistic-interactions-in-the-crayfish-orconectes-rusticus
#7
David D Edwards, Katie L Klotz, Paul A Moore
Crayfish extract information from chemical stimuli during social interactions. Commercial fertilizers increase background ammonia concentrations which may interfere with chemical communication. Background pollution can disrupt perception of chemical stimuli in three ways: masking, sensory impairment, physiological impairment or in combination. We investigated whether exposure to ammonia alters agonistic behavior. Crayfish pairs exposed to 0.9 mg/L ammonia fought for a longer duration, while crayfish exposed to 9...
November 16, 2017: Bulletin of Environmental Contamination and Toxicology
https://www.readbyqxmd.com/read/29142039/risk-factors-associated-with-juvenile-idiopathic-arthritis-exposure-to-cigarette-smoke-and-air-pollution-from-pregnancy-to-disease-diagnosis
#8
Camila Maria Paiva França, Adriana Maluf Elias Sallum, Alfésio Luis Ferreira Braga, Fernando Louzada Strufaldi, Clovis Artur Almeida Silva, Sylvia Costa Lima Farhat
OBJECTIVE: To evaluate exposure to environmental factors inhaled during pregnancy and after birth until juvenile idiopathic arthritis (JIA) diagnosis among residents of a large city. METHODS: This is an exploratory case-control study that consists of 66 patients with JIA and 124 healthy controls matched by age and sex, living in the São Paulo, Brazil, metropolitan area until JIA diagnosis, and whose mothers had resided in this region during pregnancy. A structured and reliable questionnaire (κ index for test-retest was 0...
November 15, 2017: Journal of Rheumatology
https://www.readbyqxmd.com/read/29142003/disparities-in-environmental-exposures-to-endocrine-disrupting-chemicals-and-diabetes-risk-in-vulnerable-populations
#9
Daniel Ruiz, Marisol Becerra, Jyotsna S Jagai, Kerry Ard, Robert M Sargis
Burgeoning epidemiological, animal, and cellular data link environmental endocrine-disrupting chemicals (EDCs) to metabolic dysfunction. Disproportionate exposure to diabetes-associated EDCs may be an underappreciated contributor to disparities in metabolic disease risk. The burden of diabetes is not uniformly borne by American society; rather, this disease disproportionately affects certain populations, including African Americans, Latinos, and low-income individuals. The purpose of this study was to review the evidence linking unequal exposures to EDCs with racial, ethnic, and socioeconomic diabetes disparities in the U...
November 15, 2017: Diabetes Care
https://www.readbyqxmd.com/read/29141343/-study-on-influence-of-air-temperature-on-daily-chronic-obstructive-pulmonary-disease-mortality-in-ningbo
#10
B B Lu, S H Gu, A H Wang, T Ge, Y Wang, X H Li, G Z Xu
Objective: To study the influence of daily air temperature on daily chronic obstructive pulmonary disease (COPD) mortality in residents in Ningbo. Methods: A time-series analysis using distributional lag non-linear model (DLNM) was conducted to estimate the attributable numbers and fraction of average air temperature on the daily COPD mortality in Ningbo from 2011 to 2016, by controlling the long-term time trend, day of week, air pollutants and other weather variables. Results: A reverse J-shape relationship was found between the average air temperature and COPD mortality, and the minimum-mortality temperature (MMT) was 25...
November 10, 2017: Zhonghua Liu Xing Bing Xue za Zhi, Zhonghua Liuxingbingxue Zazhi
https://www.readbyqxmd.com/read/29137886/diesel-exhaust-inhalation-exposure-induces-pulmonary-arterial-hypertension-in-mice
#11
Jing Liu, Xiaoqing Ye, Dapeng Ji, Xiaofei Zhou, Cong Qiu, Weiping Liu, Luyang Yu
Diesel exhaust (DE) is one of the main sources of urban air pollution. An increasing number of evidence showed the association of air pollution with cardiovascular diseases. Pulmonary arterial hypertension (PAH) is one of the most disastrous vascular diseases, which results in right ventricular failure and death. However, the relationship of DE inhalation exposure with PAH is still unknown. In this study, male adult mice were exposed by inhalation to filtered ambient air (negative control), 10% O2 hypoxia (PAH-phenotype positive control), 350 μg/m(3) particulate matter whole DE, or the combination of DE and hypoxic condition...
November 11, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/29137186/dopaminergic-dysfunction-in-mammalian-dopamine-neurons-induced-by-simazine-neurotoxicity
#12
Xueting Li, Jia Yu, Jianan Li, Yanping Wu, Baixiang Li
Many studies have shown that the pollutant simazine (6-chloro-N,N'-diethyl-1,3,5-triazine-2,4-diamine), which has been overused, inhibits the proliferation of mammalian dopaminergic cells, and affects the developmental differentiation of mammalian dopaminergic neurons. However, few studies have shown the effects of simazine on dopaminergic metabolism in these cells. Therefore, we aim to examine the metabolic effects of simazine exposure in mouse dopaminergic progenitor neurons (MN9D) at different exposure times...
November 13, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29136594/quantitative-assessment-of-human-health-risks-induced-by-vehicle-exhaust-polycyclic-aromatic-hydrocarbons-at-zhengzhou-via-multimedia-fugacity-models-with-cancer-risk-assessment
#13
Qian Li, Minjeong Kim, Ying Liu, ChangKyoo Yoo
Traffic-related pollution released a large amount of atmospheric polycyclic aromatic hydrocarbons (PAHs) which have severely influenced environmental safety and human health until now. However, the important issue of polycyclic aromatic hydrocarbon (PAH) emission from vehicle exhaust in urban populated areas has not been sufficiently investigated yet. This study focused on environmental behavior of vehicle exhaust PAHs (VEPAHs) and resultant health risk on local residents in urban populated areas. This study combined the multimedia fugacity models (Level III and Level IV) and the incremental lifetime cancer risk (ILCR) model, for analyzing the VEPAHs' environmental fate and related health risk on local residents in Zhengzhou of the central China...
November 11, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/29136534/investigating-the-potential-impact-of-polycyclic-aromatic-hydrocarbons-pahs-and-polychlorinated-biphenyls-pcbs-on-gene-biomarker-expression-and-global-dna-methylation-in-loggerhead-sea-turtles-caretta-caretta-from-the-adriatic-sea
#14
Paolo Cocci, Gilberto Mosconi, Luca Bracchetti, John Mark Nalocca, Emanuela Frapiccini, Mauro Marini, Giovanni Caprioli, Gianni Sagratini, Francesco Alessandro Palermo
Polycyclic aromatic hydrocarbons (PAHs) and polychlorinated biphenyls (PCBs) are priority contaminants that bioaccumulate through the food webs and affect the biology of a variety of resident and migratory species, including sea turtles. Few studies have evaluated toxicological biomarkers of exposure to PAHs and PCBs in these animals. The present paper reports the results of an initial field study to quantify the association between plasma concentrations of PAHs/PCBs and whole blood cell expression of gene biomarkers in juvenile loggerhead sea turtles (Caretta caretta) rescued along the Italian coasts of the northern and central areas of the Adriatic Sea...
November 11, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/29136143/time-varying-cycle-average-and-daily-variation-in-ambient-air-pollution-and-fecundability
#15
Carrie J Nobles, Enrique F Schisterman, Sandie Ha, Germaine M Buck Louis, Seth Sherman, Pauline Mendola
STUDY QUESTION: Does ambient air pollution affect fecundability? SUMMARY ANSWER: While cycle-average air pollution exposure was not associated with fecundability, we observed some associations for acute exposure around ovulation and implantation with fecundability. WHAT IS KNOWN ALREADY: Ambient air pollution exposure has been associated with adverse pregnancy outcomes and decrements in semen quality. STUDY DESIGN, SIZE, DURATION: The LIFE study (2005-2009), a prospective time-to-pregnancy study, enrolled 501 couples who were followed for up to one year of attempting pregnancy...
November 10, 2017: Human Reproduction
https://www.readbyqxmd.com/read/29134971/detection-of-dna-fragmentation-in-liver-of-goats-exposed-to-lead-poisoning-in-bagega-district-of-zamfara-state-nigeria
#16
A T Jubril, O A Fagbohun, A A Adekola
The ubiquitous presence of lead (Pb) and its release by anthropogenic activities has remained a majorenvironmental pollution risk to both humans and animals. Lead toxicity has been associated with different systemic toxicitiesand biochemical impacts (such as oxidative stress and DNA damaging effects) with dire health consequences. In Nigeria,the health problem associated with lead toxicity has been overwhelming in the Bagega District of Zamfara State whereartisanal gold mining has resulted in widespread environmental lead contamination...
June 30, 2017: Nigerian Journal of Physiological Sciences: Official Publication of the Physiological Society of Nigeria
https://www.readbyqxmd.com/read/29134799/e-waste-driven-pollution-in-pakistan-the-first-evidence-of-environmental-and-human-exposure-to-flame-retardants-frs-in-karachi-city
#17
Mehreen Iqbal, Jabir Hussain Syed, Knut Breivik, Muhammad Jamshed Iqbal Chaudhry, Jun Li, Gan Zhang, Riffat Naseem Malik
Informal e-waste recycling activities have been shown to be a major emitter of organic flame retardants (FRs), contributing to both environmental and human exposure to laborers at e-waste recycling sites in some West African countries, as well as in China and India. The main objective of this study was to determine the levels of selected organic FRs in both air and soil samples collected from areas with intensive informal e-waste recycling activities in Karachi, Pakistan. Dechlorane Plus (DP) and "novel" brominated flame retardants (NBFRs) were often detected in high concentrations in soils, while phosphorous-based FRs (OPFRs) dominated atmospheric samples...
November 14, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/29134718/sirt1-exhibits-antioxidative-effects-in-ht22-cells-induced-by-tert-butyl-alcohol
#18
Junxiang Ma, Dongmei Song, Yuanyuan Zhang, Li Chen, Shixuan Zhang, Jiaxin Jia, Tian Chen, Caixia Guo, Lin Tian, Ai Gao, Piye Niu
Tertiary butyl alcohol (TBA) is a principal metabolite of methyl tertiary-butyl ether (MTBE), a common pollutant worldwide in the ground or underground water, which is found to produce nervous system damage. Nevertheless, few data regarding the effects of TBA has been reported. Studies indicated that oxidative stress plays a pivotal role in MTBE neurotoxic mechanism. Sirtuin 1 (SIRT1) has been reported to exert a neuroprotective effect on various neurologic diseases via resistance to oxidative stress by deacetylating its substrates...
November 14, 2017: Environmental Toxicology
https://www.readbyqxmd.com/read/29134521/metals-in-diplodus-sargus-cadenati-and-sparisoma-cretense-a-risk-assessment-for-consumers
#19
Aridani Afonso, Ángel J Gutiérrez, Gonzalo Lozano, Dailos González-Weller, Enrique Lozano-Bilbao, Carmen Rubio, José M Caballero, Consuelo Revert, Arturo Hardisson
The increases in urbanization, demography and industrial activity, along with growing human needs which exploit the resources of the planet, have exponentially exacerbated pollution. In particular, the discharge of heavy metals into the marine ecosystem is a problem of global magnitude, as this may damage the diversity of marine species and ecosystems because of their toxicity, long persistence and bioaccumulation. Consequently, it is necessary to carry out an assessment of the risk of human exposure from the consumption of marine species potentially exposed to this type of pollutants...
November 13, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29133855/effect-of-short-term-exposure-to-ambient-air-particulate-matter-on-incidence-of-delirium-in-a-surgical-population
#20
Lu Che, Yan Li, Cheng Gan
Delirium remains an independent risk factor for morbidity and mortality among older surgical adults. Recent research has shed light on the relationship between pollution and dementia, yet little is known about the health impacts of particulate matter (PM) on delirium. Therefore, we aim to further explore association of PM and delirium among surgical population. We conducted a time-stratified case-crossover study. Electronic hospitalization summary reports derived from 26 major cities in China between 1 January 2014 and 31 December 2015 were used...
November 13, 2017: Scientific Reports
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