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https://www.readbyqxmd.com/read/27914144/outdoor-air-pollution-and-pterygium-in-korea
#1
Ki Woong Lee, Yoon Hyeong Choi, Sung Ha Hwang, Hae Jung Paik, Mee Kum Kim, Won Ryang Wee, Dong Hyun Kim
We investigated relationships between outdoor air pollution and pterygium in Korean adults. This study includes 23,276 adults in population-based cross-sectional data using the Korea National Health and Nutrition Examination Survey 2008-2011. Pterygium was assessed using slit lamp biomicroscopy. Air pollution data (humidity, particulate matter with aerodynamic diameter less than 10 μm [PM₁₀], ozone [O₃], nitrogen dioxide [NO₂], and sulfur dioxide levels [SO₂]) for 2 years preceding the ocular examinations were acquired...
January 2017: Journal of Korean Medical Science
https://www.readbyqxmd.com/read/27913826/partial-gene-sequencing-of-cyp1a-vitellogenin-and-metallothionein-in-mosquitofish-gambusia-yucatana-and-gambusia-sexradiata
#2
Roberto Vázquez-Euán, Karla S Escalante-Herrera, Gabriela Rodríguez-Fuentes
Ground characteristics in the Yucatan Peninsula make recovery and treatment of wastewater very expensive. This situation has contributed to an increase of pollutants in the aquifer. Unfortunately, studies related to the effects of those pollutants in native organisms are scarce. The aim of this work was to obtain partial sequences of widely known genes used as biomarkers of pollutant effect in Gambusia yucatana and Gambusia sexradiata. The studied genes were: cytochrome P450 1A (CYP1A); vitellogenin (VTG); metallothionein (MT), and two housekeeping genes, 18S and β-actin...
December 2, 2016: Bulletin of Environmental Contamination and Toxicology
https://www.readbyqxmd.com/read/27913396/long-term-exposure-to-fine-particulate-matter-and-breast-cancer-incidence-in-the-danish-nurse-cohort-study
#3
Zorana J Andersen, Line Ravnskjaer, Klaus Kaae Andersen, Steffen Loft, Jorgen Brandt, Thomas Becker, Matthias Ketzel, Ole Hertel, Elsebeth Lynge, Elvira Vaclavik Brauner
BACKGROUND: An association between air pollution and breast cancer risk has been suggested but evidence is sparse and inconclusive. METHODS: We included 22,877 female nurses from the Danish Nurse cohort who were recruited in 1993 or 1999, and followed them for incidence of breast cancer (N=1,145) until 2013 in the Danish Cancer Register. We estimated annual mean concentrations of particulate matter with diameter < 2.5 µg/m3 (PM2.5) and < 10 µg/m3 (PM10), and nitrogen dioxide (NO2) at nurses' residences since 1990 using an atmospheric chemistry transport model...
December 2, 2016: Cancer Epidemiology, Biomarkers & Prevention
https://www.readbyqxmd.com/read/27913020/influences-of-combined-traffic-noise-on-anxiety-in-mice
#4
Guoqing Di, Yaqian Xu
With the rapid development of traffic facilities in China, traffic noise pollution is increasingly prominent. This research aims to explore the influences of combined traffic noise on receptors' anxiety. Institute of cancer research mice were exposed to combined traffic noise (CTN) from highway and high-speed railway for 52days, whose day-night equivalent continuous A-weighted sound pressure level (Ldn) was 70dB(A). The impacts of CTN on anxiety were explored by behavior tests and monoamine neurotransmitter assays...
November 29, 2016: Science of the Total Environment
https://www.readbyqxmd.com/read/27913015/the-association-between-ambient-air-pollution-and-selected-adverse-pregnancy-outcomes-in-china-a-systematic-review
#5
Milena Jacobs, Guicheng Zhang, Shu Chen, Ben Mullins, Michelle Bell, Lan Jin, Yuming Guo, Rachel Huxley, Gavin Pereira
The association between exposure to ambient air pollution and respiratory or cardiovascular endpoints is well-established. An increasing number of studies have shown that this exposure is also associated with adverse pregnancy outcomes. However, the majority of research has been undertaken in high-income western countries, with relatively lower levels of exposure. There is now a sufficient number of studies to warrant an assessment of effects in China, a relatively higher exposure setting. We conducted a systematic review of 25 studies examining the association between ambient air pollution exposure and adverse pregnancy outcomes (lower birth weight, preterm birth, mortality, and congenital anomaly) in China, published between 1980 and 2015...
November 29, 2016: Science of the Total Environment
https://www.readbyqxmd.com/read/27912912/passive-air-sampling-of-persistent-organic-pollutants-pops-and-emerging-compounds-in-kolkata-megacity-and-rural-mangrove-wetland-sundarban-in-india-an-approach-to-regional-monitoring
#6
Karla Pozo, Santosh Kumar Sarkar, Victor H Estellano, Soumita Mitra, Ondrej Audi, Petr Kukucka, Petra Přibylová, Jana Klánová, Simonetta Corsolini
Polyurethane foam (PUF) disk passive air samplers were deployed concurrently at five sites across Kolkata megacity and the rural mangrove wetland of Sundarban (UNESCO World Heritage Site) between January-March in 2014. Samples were analyzed for hexachlorocyclohexanes (HCHs), dichlorodiphenyltricholoroethanes (DDTs), polychlorinated biphenyls (PCBs) and, polybrominated diphenyl ethers (PBDEs) using gas chromatography and mass spectrometry (GC-MS). Derived air concentrations (pg/m(3)) for Kolkata ranged: for ∑α- and γ-HCH between 70 and 207 (114 ± 62), ∑6DDTs: 127-216 (161 ± 36), ∑7PCBs: 53-213 (141 ± 64), and ∑10PBDEs: 0...
November 29, 2016: Chemosphere
https://www.readbyqxmd.com/read/27911986/persistent-organic-pollutants-in-adipose-tissue-should-be-considered-in-obesity-research
#7
Y-M Lee, K-S Kim, D R Jacobs, D-H Lee
Although low doses of persistent organic pollutants (POPs), strong lipophilic chemicals with long half-lives, have been linked to various endocrine, immune, nervous and reproductive system diseases, few obesity studies have considered adipose tissue as an important POPs exposure source. Because the toxicodynamics of POPs relate directly to the dynamics of adiposity, POPs might explain puzzling findings in obesity research. In two people exposed to the same amounts of environmental POPs, the one having more adipose tissue may be advantaged because POPs storage in adipose tissue can reduce burden on other critical organs...
December 2, 2016: Obesity Reviews: An Official Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/27909222/associations-between-environmental-factors-and-hospital-admissions-for-sickle-cell-disease
#8
Frédéric B Piel, Sanjay Tewari, Valentine Brousse, Antonis Analitis, Anna Font, Stephan Menzel, Subarna Chakravorty, Swee Lay Thein, Baba Inusa, Paul Telfer, Marianne de Montalembert, Gary W Fuller, Klea Katsouyanni, David C Rees
Sickle cell disease (SCD) is an increasing global health burden. This inherited disease is characterised by a remarkable phenotypic heterogeneity, which can only partly be explained by genetic factors. Environmental factors are likely to play an important role but studies of their impact on disease severity are limited and their results are often inconsistent. This study investigated associations between a range of environmental factors and hospital admissions of young patients with SCD in London and in Paris between 2008 and 2012...
December 1, 2016: Haematologica
https://www.readbyqxmd.com/read/27908668/associations-between-urinary-biomarkers-of-oxidative-stress-and-air-pollutants-observed-in-a-randomized-crossover-exposure-to-steel-mill-emissions
#9
Guillaume Pelletier, Marc Rigden, Lisa Marie Kauri, Robin Shutt, Mamun Mahmud, Sabit Cakmak, Premkumari Kumarathasan, Errol M Thomson, Renaud Vincent, Gayle Broad, Ling Liu, Robert Dales
The effects of industrial air pollution on human health have not been as thoroughly investigated as those of urban air pollution which originates mostly from automotive transport. To better assess the health impacts of point sources of industrial air pollution, a randomized crossover exposure study was conducted. Sixty one young and healthy volunteers were randomly assigned to spend five consecutive eight-hour days near a steel mill or at a location five kilometres away. After a nine or sixteen-day washout period, volunteers spent another five consecutive days at the second site...
November 25, 2016: International Journal of Hygiene and Environmental Health
https://www.readbyqxmd.com/read/27908667/concentrations-of-polychlorinated-dibenzodioxins-polychlorodibenzofurans-and-polychlorobiphenyls-in-women-of-reproductive-age-in-italy-a-human-biomonitoring-study
#10
Anna Maria Ingelido, Vittorio Abate, Annalisa Abballe, Fulvia Lucia Albano, Tatiana Battista, Valter Carraro, Michele Conversano, Rosa Corvetti, Silvia De Luca, Silva Franchini, Anna Rita Fulgenzi, Laura Giambanco, Nicola Iacovella, Anna Laura Iamiceli, Antonio Maiorana, Francesco Maneschi, Valentina Marra, Flavia Pirola, Maria Grazia Porpora, Enrico Procopio, Nicola Suma, Silvia Valentini, Luisa Valsenti, Valerio Vecchiè, Elena De Felip
BACKGROUND: Polychlorinated dibenzodioxins (PCDDs), polychlorodibenzofurans (PCDFs), and polychlorobiphenyls (PCBs) are persistent organic pollutants that represent a major concern for women of reproductive age because of the neurodevelopmental effects associated to perinatal exposure. OBJECTIVES: This study was aimed at characterizing exposure of women of reproductive age to PCDDs, PCDFs, and PCBs as a function of residence in different Italian Regions, in areas at presumable different environmental contamination and human exposure to these pollutants...
November 24, 2016: International Journal of Hygiene and Environmental Health
https://www.readbyqxmd.com/read/27908628/biomarkers-of-the-health-outcomes-associated-with-ambient-particulate-matter-exposure
#11
Lixin Yang, Xiang-Yu Hou, Yongjie Wei, Phong Thai, Fahe Chai
Epidemiologic evidence supports the positive association of cardiopulmonary morbidity and mortality, and lung cancer risk with exposure to airborne particulate matter (PM). Oxidative stress and inflammation have been proposed to be the major causal factors involved in mediating PM effects on both cardiovascular and pulmonary health outcomes. However, the mechanism whereby PM causes the health effects is not fully elucidated. To evaluate and investigate human exposure to PM, it is essential to have a specific, sensitive and robust characterization of individual exposure to PM...
November 29, 2016: Science of the Total Environment
https://www.readbyqxmd.com/read/27908406/trace-element-biomonitoring-in-hair-of-school-children-from-a-polluted-area-by-sector-field-inductively-coupled-plasma-mass-spectrometry
#12
Evgenii J Drobyshev, Nikolay D Solovyev, Natalya B Ivanenko, Maria Yu Kombarova, Alexander A Ganeev
In the current study, a biomonitoring of 18 hair trace elements (Al, As, Cd, Co, Cr, Cu, Fe, Hg, Mg, Mn, Ni, Pb, Se, V, Zn, Ca, Na and P) in school children from Leningradskaya Oblast' is reported. A case group, residing in a proximity to the toxic waste disposal grounds (Krasniy Bor), has been assessed vs. controls from a non-urban settlement Seltso. In total, 166 hair samples were analysed using double focusing sector field inductively coupled plasma mass spectrometry after microwave-assisted sample digestion with nitric acid...
January 2017: Journal of Trace Elements in Medicine and Biology
https://www.readbyqxmd.com/read/27907265/conservation-hotspots-for-marine-turtle-nesting-in-the-united-states-based-on-coastal-development
#13
Mariana M P B Fuentes, Christian Gredzens, Brooke L Bateman, Ruth Boettcher, Simona A Ceriani, Matthew H Godfrey, David Helmers, Dianne K Ingram, Ruth L Kamrowski, Michelle Pate, Robert L Pressey, Volker C Radeloff
Coastal areas provide nesting habitat for marine turtles that is critical for the persistence of their populations. However, many coastal areas are highly affected by coastal development, which affects the reproductive success of marine turtles. Knowing the extent to which nesting areas are exposed to these threats is essential to guide management initiatives. This information is particularly important for coastal areas with both high nesting density and dense human development, a combination that is common in the United States...
December 2016: Ecological Applications: a Publication of the Ecological Society of America
https://www.readbyqxmd.com/read/27907205/household-air-pollution-and-acute-lower-respiratory-infections-in-adults-a-systematic-review
#14
Hannah Jary, Hope Simpson, Deborah Havens, Geoffrey Manda, Daniel Pope, Nigel Bruce, Kevin Mortimer
INTRODUCTION: Household air pollution from solid fuel burning kills over 4 million people every year including half a million children from acute lower respiratory infections. Although biologically plausible, it is not clear whether household air pollution is also associated with acute lower respiratory infections in adults. We systematically reviewed the literature on household air pollution and acute lower respiratory infection in adults to identify knowledge gaps and research opportunities...
2016: PloS One
https://www.readbyqxmd.com/read/27907095/phenotypic-plasticity-epigenetic-or-genetic-modifications-in-relation-to-the-duration-of-cd-exposure-within-a-microevolution-time-range-in-the-beet-armyworm
#15
Maria Augustyniak, Anna Płachetka-Bożek, Alina Kafel, Agnieszka Babczyńska, Monika Tarnawska, Agnieszka Janiak, Anna Loba, Marta Dziewięcka, Julia Karpeta-Kaczmarek, Agnieszka Zawisza-Raszka
In the case of the pests inhabiting metal polluted or fields where the use of pesticides is common, a natural selection of resistant individuals can occur. This may pose serious problems for humans, agriculture, as well as the economies of many countries. In this study, the hypothesis that multigenerational (120 generations) exposure to cadmium of a beet armyworm population could be a selecting factor toward a more efficient DNA protection was verified. The hemocytes of individuals from two culture strains (control and Cd-exposed) were treated with H2O2 (a DNA-damaging agent) or PBS (reference)...
2016: PloS One
https://www.readbyqxmd.com/read/27906023/surface-area-dependence-of-gas-particle-interactions-influences-pulmonary-and-neuroinflammatory-outcomes
#16
Christina R Tyler, Katherine E Zychowski, Bethany N Sanchez, Valeria Rivero, Selita Lucas, Guy Herbert, June Liu, Hammad Irshad, Jacob D McDonald, Barry E Bleske, Matthew J Campen
BACKGROUND: Deleterious consequences of exposure to traffic emissions may derive from interactions between carbonaceous particulate matter (PM) and gaseous components in a manner that is dependent on the surface area or complexity of the particles. To determine the validity of this hypothesis, we examined pulmonary and neurological inflammatory outcomes in C57BL/6 and apolipoprotein E knockout (ApoE(-/-)) male mice after acute and chronic exposure to vehicle engine-derived particulate matter, generated as ultrafine (UFP) and fine (FP) sizes, with additional exposures using UFP or FP combined with gaseous copollutants derived from fresh gasoline and diesel emissions, labeled as UFP + G and FP + G...
December 1, 2016: Particle and Fibre Toxicology
https://www.readbyqxmd.com/read/27904927/effects-of-tin-on-enzyme-activity-in-holothuria-grisea-echinodermata-holothuroidea
#17
Tatiana Miura Pereira, Lívia Pôncio Mattar, Edgar Rocha Pereira, Julia Merçon, Ary Gomes da Silva, Zilma Maria Almeida Cruz
This study evaluated the effect of tin exposure on enzyme activity in the sea cucumber (Holothuria grisea Selenka, 1867). After exposure to 0 (control), 0.04, 0.08, or 0.12 mg L(-1) tin, we tested the activities of total cholinesterase in longitudinal muscles, acid phosphatase in gonads and the respiratory tree, as well as alkaline phosphatase in the intestines during a 96-h bioassay. Regression analyses showed that all enzyme activities declined with increasing tin concentrations, except for acid phosphatase in the respiratory tree, which were similarly, inhibited at all tin concentrations...
November 30, 2016: Bulletin of Environmental Contamination and Toxicology
https://www.readbyqxmd.com/read/27904922/impacts-of-sediment-organic-matter-content-and-ph-on-ecotoxicity-of-coexposure-of-tio2-nanoparticles-and-cadmium-to-freshwater-snails-bellamya-aeruginosa
#18
Taowu Ma, Meng Wang, Shuangjiao Gong, Bin Tian
The environmental factors are expected to affect the ecotoxicity of heavy metals in the presence of engineered nanoparticles (NPs) in aquatic ecosystems. However, in sediment scenario, little is known regarding their impacts on the ecotoxicity of co-exposure of sediment-associated heavy metals and NPs. This study evaluated the impacts of different levels of organic matter (OM) (4.8-11.6%) and pH (6-9) on the ecotoxicological effects of co-exposure of sediment-associated titanium dioxide nanoparticles (TiO2-NPs) and cadmium (Cd) to a freshwater gastropod Bellamya aeruginosa...
November 30, 2016: Archives of Environmental Contamination and Toxicology
https://www.readbyqxmd.com/read/27904751/association-of-serum-concentrations-of-persistent-organic-pollutants-pops-and-risk-of-pre-eclampsia-a-case-control-study
#19
Bita Eslami, Hossein Malekafzali, Noushin Rastkari, Batool Hossein Rashidi, Abolghasem Djazayeri, Kazem Naddafi
BACKGROUND: There is increasing evidence that persistent organic pollutants (POPs) may contribute to pre-eclampsia. The objective of this study was to evaluate the association between Polychlorinated Biphenyls (PCBs) and Polybrominated Diphenyl Ethers (PBDEs) as POPs with pre-eclampsia. METHODS: This case-control study was performed in the three general university hospitals of Tehran University of Medical Sciences. Serum samples were collected from cases (n = 45) who had diagnosed with preeclampsia and from control samples (n = 70) with normal pregnancy and attended the same hospital for a routine prenatal visit at the third trimester of pregnancy...
2016: Journal of Environmental Health Science & Engineering
https://www.readbyqxmd.com/read/27904610/effects-of-air-pollution-on-human-health-and-practical-measures-for-prevention-in-iran
#20
REVIEW
Adel Ghorani-Azam, Bamdad Riahi-Zanjani, Mahdi Balali-Mood
Air pollution is a major concern of new civilized world, which has a serious toxicological impact on human health and the environment. It has a number of different emission sources, but motor vehicles and industrial processes contribute the major part of air pollution. According to the World Health Organization, six major air pollutants include particle pollution, ground-level ozone, carbon monoxide, sulfur oxides, nitrogen oxides, and lead. Long and short term exposure to air suspended toxicants has a different toxicological impact on human including respiratory and cardiovascular diseases, neuropsychiatric complications, the eyes irritation, skin diseases, and long-term chronic diseases such as cancer...
2016: Journal of Research in Medical Sciences: the Official Journal of Isfahan University of Medical Sciences
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