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Environmental Health: a Global Access Science Source

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https://www.readbyqxmd.com/read/28899425/the-physiological-determinants-of-low-level-urine-cadmium-an-assessment-in-a-cross-sectional-study-among-schoolchildren
#1
Hongyu Wang, Xavier Dumont, Vincent Haufroid, Alfred Bernard
BACKGROUND: Recent studies in children have reported associations of urinary cadmium (U-Cd), used as biomarker of Cd body burden, with renal dysfunction, retarded growth and impaired cognitive development in children. Little is known, however, about factors influencing U-Cd in children and likely to act as confounders. METHODS: In a cross-sectional study involving 249 schoolchildren (mean age, 5.72 years; 138 boys), we measured the urine concentrations of cadmium, zinc, lead, albumin, alpha1-microglobulin (A1M), retinol-binding protein, β2-microglobulin and club cell protein (CC16)...
September 12, 2017: Environmental Health: a Global Access Science Source
https://www.readbyqxmd.com/read/28893249/assessment-of-the-potential-respiratory-hazard-of-volcanic-ash-from-future-icelandic-eruptions-a-study-of-archived-basaltic-to-rhyolitic-ash-samples
#2
David E Damby, Claire J Horwell, Gudrun Larsen, Thorvaldur Thordarson, Maura Tomatis, Bice Fubini, Ken Donaldson
BACKGROUND: The eruptions of Eyjafjallajökull (2010) and Grímsvötn (2011), Iceland, triggered immediate, international consideration of the respiratory health hazard of inhaling volcanic ash, and prompted the need to estimate the potential hazard posed by future eruptions of Iceland's volcanoes to Icelandic and Northern European populations. METHODS: A physicochemical characterization and toxicological assessment was conducted on a suite of archived ash samples spanning the spectrum of past eruptions (basaltic to rhyolitic magmatic composition) of Icelandic volcanoes following a protocol specifically designed by the International Volcanic Health Hazard Network...
September 11, 2017: Environmental Health: a Global Access Science Source
https://www.readbyqxmd.com/read/28882148/environmental-radon-exposure-and-breast-cancer-risk-in-the-nurses-health-study-ii
#3
Trang VoPham, Natalie DuPré, Rulla M Tamimi, Peter James, Kimberly A Bertrand, Veronica Vieira, Francine Laden, Jaime E Hart
BACKGROUND: Radon and its decay products, a source of ionizing radiation, are primarily inhaled and can deliver a radiation dose to breast tissue, where they may continue to decay and emit DNA damage-inducing particles. Few studies have examined the relationship between radon and breast cancer. METHODS: The Nurses' Health Study II (NHSII) includes U.S. female registered nurses who completed biennial questionnaires since 1989. Self-reported breast cancer was confirmed from medical records...
September 7, 2017: Environmental Health: a Global Access Science Source
https://www.readbyqxmd.com/read/28877717/cardiovascular-health-effects-following-exposure-of-human-volunteers-during-fire-extinction-exercises
#4
Maria Helena Guerra Andersen, Anne Thoustrup Saber, Peter Bøgh Pedersen, Steffen Loft, Åse Marie Hansen, Ismo Kalevi Koponen, Julie Elbæk Pedersen, Niels Ebbehøj, Eva-Carina Nørskov, Per Axel Clausen, Anne Helene Garde, Ulla Vogel, Peter Møller
BACKGROUND: Firefighters have increased risk of cardiovascular disease and of sudden death from coronary heart disease on duty while suppressing fires. This study investigated the effect of firefighting activities, using appropriate personal protective equipment (PPE), on biomarkers of cardiovascular effects in young conscripts training to become firefighters. METHODS: Healthy conscripts (n = 43) who participated in a rescue educational course for firefighting were enrolled in the study...
September 6, 2017: Environmental Health: a Global Access Science Source
https://www.readbyqxmd.com/read/28874165/a-prospective-study-of-cancer-risk-among-agricultural-health-study-farm-spouses-associated-with-personal-use-of-organochlorine-insecticides
#5
Lydia M Louis, Catherine C Lerro, Melissa C Friesen, Gabriella Andreotti, Stella Koutros, Dale P Sandler, Aaron Blair, Mark G Robson, Laura E Beane Freeman
BACKGROUND: Organochlorine insecticides (OCs) have historically been used worldwide to control insects, although most have now been banned in developed countries. Evidence for an association between OC exposures and cancer predominantly comes from occupational and population based-studies among men. We evaluated the association between the use of specific OCs and cancer among the female spouses of pesticide applicators in the Agricultural Health Study. METHODS: At enrollment (1993-1997), spouses of private applicators in the cohort provided information about their own use of pesticides, including seven OCs (aldrin, chlordane, dieldrin, DDT, heptachlor, lindane, and toxaphene), and information on potential confounders...
September 6, 2017: Environmental Health: a Global Access Science Source
https://www.readbyqxmd.com/read/28865460/state-of-the-evidence-2017-an-update-on-the-connection-between-breast-cancer-and-the-environment
#6
REVIEW
Janet M Gray, Sharima Rasanayagam, Connie Engel, Jeanne Rizzo
BACKGROUND: In this review, we examine the continually expanding and increasingly compelling data linking radiation and various chemicals in our environment to the current high incidence of breast cancer. Singly and in combination, these toxicants may have contributed significantly to the increasing rates of breast cancer observed over the past several decades. Exposures early in development from gestation through adolescence and early adulthood are particularly of concern as they re-shape the program of genetic, epigenetic and physiological processes in the developing mammary system, leading to an increased risk for developing breast cancer...
September 2, 2017: Environmental Health: a Global Access Science Source
https://www.readbyqxmd.com/read/28859689/remote-sensing-measurements-of-sea-surface-temperature-as-an-indicator-of-vibrio-parahaemolyticus-in-oyster-meat-and-human-illnesses
#7
Stephanie Konrad, Peggy Paduraru, Pablo Romero-Barrios, Sarah B Henderson, Eleni Galanis
BACKGROUND: Vibrio parahaemolyticus (Vp) is a naturally occurring bacterium found in marine environments worldwide. It can cause gastrointestinal illness in humans, primarily through raw oyster consumption. Water temperatures, and potentially other environmental factors, play an important role in the growth and proliferation of Vp in the environment. Quantifying the relationships between environmental variables and indicators or incidence of Vp illness is valuable for public health surveillance to inform and enable suitable preventative measures...
August 31, 2017: Environmental Health: a Global Access Science Source
https://www.readbyqxmd.com/read/28859656/blood-lead-level-is-associated-with-non-alcoholic-fatty-liver-disease-in-the-yangtze-river-delta-region-of-china-in-the-context-of-rapid-urbanization
#8
Hualing Zhai, Chi Chen, Ningjian Wang, Yi Chen, Xiaomin Nie, Bing Han, Qin Li, Fangzhen Xia, Yingli Lu
BACKGROUND: China has undergone rapid urbanization in the past three decades. We aimed to report blood lead level (B-Pb) in the most rapidly urbanized Yangtze River Delta Region of China, and explore the association B-Pb and non-alcoholic fatty liver disease (NAFLD). METHODS: Our data source was the SPECT-China study. We enrolled 2011 subjects from 6 villages in the Yangtze River Delta Region. Lead was measured by atomic absorption spectrometry. According to abdominal ultrasound, residents were divided into normal and NAFLD groups...
August 31, 2017: Environmental Health: a Global Access Science Source
https://www.readbyqxmd.com/read/28851431/pesticide-exposure-assessed-through-agricultural-crop-proximity-and-risk-of-amyotrophic-lateral-sclerosis
#9
Marco Vinceti, Tommaso Filippini, Federica Violi, Kenneth J Rothman, Sofia Costanzini, Carlotta Malagoli, Lauren A Wise, Anna Odone, Carlo Signorelli, Laura Iacuzio, Elisa Arcolin, Jessica Mandrioli, Nicola Fini, Francesco Patti, Salvatore Lo Fermo, Vladimiro Pietrini, Sergio Teggi, Grazia Ghermandi, Renato Scillieri, Caterina Ledda, Cristina Mauceri, Salvatore Sciacca, Maria Fiore, Margherita Ferrante
BACKGROUND: Epidemiologic studies have raised the possibility that some pesticide compounds induce the neurodegenerative disease amyotrophic lateral sclerosis (ALS), though the available evidence is not entirely consistent. METHODS: We conducted a population-based case-control study in two Italian populations to assess the extent to which residence in the vicinity of agricultural crops associated with the application of neurotoxic pesticides is a risk factor for ALS, using crop acreage in proximity to the residence as an index of exposure...
August 29, 2017: Environmental Health: a Global Access Science Source
https://www.readbyqxmd.com/read/28841833/lifetime-occupational-exposure-to-metals-and-welding-fumes-and-risk-of-glioma-a-7-country-population-based-case-control-study
#10
Marie-Elise Parent, Michelle C Turner, Jérôme Lavoué, Hugues Richard, Jordi Figuerola, Laurel Kincl, Lesley Richardson, Geza Benke, Maria Blettner, Sarah Fleming, Martine Hours, Daniel Krewski, David McLean, Siegal Sadetzki, Klaus Schlaefer, Brigitte Schlehofer, Joachim Schüz, Jack Siemiatycki, Martie van Tongeren, Elisabeth Cardis
BACKGROUND: Brain tumor etiology is poorly understood. Based on their ability to pass through the blood-brain barrier, it has been hypothesized that exposure to metals may increase the risk of brain cancer. Results from the few epidemiological studies on this issue are limited and inconsistent. METHODS: We investigated the relationship between glioma risk and occupational exposure to five metals - lead, cadmium, nickel, chromium and iron- as well as to welding fumes, using data from the seven-country INTEROCC study...
August 25, 2017: Environmental Health: a Global Access Science Source
https://www.readbyqxmd.com/read/28821289/transcriptome-wide-analyses-indicate-mitochondrial-responses-to-particulate-air-pollution-exposure
#11
Ellen Winckelmans, Tim S Nawrot, Maria Tsamou, Elly Den Hond, Willy Baeyens, Jos Kleinjans, Wouter Lefebvre, Nicolas Van Larebeke, Martien Peusens, Michelle Plusquin, Hans Reynders, Greet Schoeters, Charlotte Vanpoucke, Theo M de Kok, Karen Vrijens
BACKGROUND: Due to their lack of repair capacity mitochondria are critical targets for environmental toxicants. We studied genes and pathways reflecting mitochondrial responses to short- and medium-term PM10 exposure. METHODS: Whole genome gene expression was measured in peripheral blood of 98 adults (49% women). We performed linear regression analyses stratified by sex and adjusted for individual and temporal characteristics to investigate alterations in gene expression induced by short-term (week before blood sampling) and medium-term (month before blood sampling) PM10 exposure...
August 18, 2017: Environmental Health: a Global Access Science Source
https://www.readbyqxmd.com/read/28821285/genetic-and-epigenetic-susceptibility-of-airway-inflammation-to-pm2-5-in-school-children-new-insights-from-quantile-regression
#12
Yue Zhang, Muhammad T Salam, Kiros Berhane, Sandrah P Eckel, Edward B Rappaport, William S Linn, Rima Habre, Theresa M Bastain, Frank D Gilliland
BACKGROUND: The fractional concentration of exhaled nitric oxide (FeNO) is a biomarker of airway inflammation that has proved to be useful in investigations of genetic and epigenetic airway susceptibility to ambient air pollutants. For example, susceptibility to airway inflammation from exposure to particulate matter with aerodynamic diameter < =2.5 μm (PM2.5) varies by haplotypes and promoter region methylation in inducible nitric oxide synthase (iNOS encoded by NOS2). We hypothesized that PM2...
August 18, 2017: Environmental Health: a Global Access Science Source
https://www.readbyqxmd.com/read/28821245/ambient-ultraviolet-radiation-exposure-and-hepatocellular-carcinoma-incidence-in-the-united-states
#13
Trang VoPham, Kimberly A Bertrand, Jian-Min Yuan, Rulla M Tamimi, Jaime E Hart, Francine Laden
BACKGROUND: Hepatocellular carcinoma (HCC), the most commonly occurring type of primary liver cancer, has been increasing in incidence worldwide. Vitamin D, acquired from sunlight exposure, diet, and dietary supplements, has been hypothesized to impact hepatocarcinogenesis. However, previous epidemiologic studies examining the associations between dietary and serum vitamin D reported mixed results. The purpose of this study was to examine the association between ambient ultraviolet (UV) radiation exposure and HCC risk in the U...
August 18, 2017: Environmental Health: a Global Access Science Source
https://www.readbyqxmd.com/read/28814301/incidence-of-cancer-among-licenced-commercial-pilots-flying-north-atlantic-routes
#14
Eva Maria Gudmundsdottir, Jon Hrafnkelsson, Vilhjalmur Rafnsson
BACKGROUND: To evaluate cancer incidence among licenced commercial pilots in association with cosmic radiation. METHODS: Cohort study where ionizing radiation dose of cosmic radiation was estimated from airline data and software program and cancer incidence was obtained by record linkage with nation-wide cancer registry. All licenced commercial male airline pilots were followed from 1955 to 2015, ever or never employed at airline with international routes. Standardized incidence ratios were calculated and relative risk by Poisson regression, to examine exposure-response relation...
August 16, 2017: Environmental Health: a Global Access Science Source
https://www.readbyqxmd.com/read/28793913/the-hazards-of-hazard-identification-in-environmental-epidemiology
#15
LETTER
Rodolfo Saracci
Hazard identification is a major scientific challenge, notably for environmental epidemiology, and is often surrounded, as the recent case of glyphosate shows, by debate arising in the first place by the inherently problematic nature of many components of the identification process. Particularly relevant in this respect are components less amenable to logical or mathematical formalization and essentially dependent on scientists' judgment. Four such potentially hazardous components that are capable of distorting the correct process of hazard identification are reviewed and discussed from an epidemiologist perspective: (1) lexical mix-up of hazard and risk (2) scientific questions as distinct from testable hypotheses, and implications for the hierarchy of strength of evidence obtainable from different types of study designs (3) assumptions in prior beliefs and model choices and (4) conflicts of interest...
August 9, 2017: Environmental Health: a Global Access Science Source
https://www.readbyqxmd.com/read/28789684/blood-lead-cadmium-and-mercury-in-relation-to-homocysteine-and-c-reactive-protein-in-women-of-reproductive-age-a-panel-study
#16
Anna Z Pollack, Sunni L Mumford, Lindsey Sjaarda, Neil J Perkins, Farah Malik, Jean Wactawski-Wende, Enrique F Schisterman
BACKGROUND: To examine the relationship between cadmium, lead, and mercury concentrations with high-sensitivity C-reactive protein (hs-CRP) and homocysteine in women. METHODS: Metals were measured at enrollment in whole blood. Homocysteine and hs-CRP were measured in one (N = 9) or two (N = 250) menstrual cycles up to 3 and 8 times per cycle, respectively. Linear mixed models with inverse probability of exposure weights to account for time varying confounding were used and models were stratified by dietary and serum vitamin status (dietary: vitamin B6, B12, folate; serum: folate)...
August 8, 2017: Environmental Health: a Global Access Science Source
https://www.readbyqxmd.com/read/28778209/maternal-occupational-exposure-and-oral-clefts-in-offspring
#17
Nynke Spinder, Jorieke E H Bergman, H Marike Boezen, Roel C H Vermeulen, Hans Kromhout, Hermien E K de Walle
BACKGROUND: Previous studies suggest that periconceptional maternal occupational exposure to solvents and pesticides increase the risk of oral clefts in the offspring. Less is known about the effect of occupational exposure to metals, dust, and gases and fumes on development of oral clefts. METHODS: This case-malformed control study used data from a population-based birth defects registry (Eurocat) of children and foetuses born in the Northern Netherlands between 1997 and 2013...
August 4, 2017: Environmental Health: a Global Access Science Source
https://www.readbyqxmd.com/read/28754176/genome-wide-gene-by-lead-exposure-interaction-analysis-identifies-unc5d-as-a-candidate-gene-for-neurodevelopment
#18
Zhaoxi Wang, Birgit Claus Henn, Chaolong Wang, Yongyue Wei, Li Su, Ryan Sun, Han Chen, Peter J Wagner, Quan Lu, Xihong Lin, Robert Wright, David Bellinger, Molly Kile, Maitreyi Mazumdar, Martha Maria Tellez-Rojo, Lourdes Schnaas, David C Christiani
BACKGROUND: Neurodevelopment is a complex process involving both genetic and environmental factors. Prenatal exposure to lead (Pb) has been associated with lower performance on neurodevelopmental tests. Adverse neurodevelopmental outcomes are more frequent and/or more severe when toxic exposures interact with genetic susceptibility. METHODS: To explore possible loci associated with increased susceptibility to prenatal Pb exposure, we performed a genome-wide gene-environment interaction study (GWIS) in young children from Mexico (n = 390) and Bangladesh (n = 497)...
July 28, 2017: Environmental Health: a Global Access Science Source
https://www.readbyqxmd.com/read/28754128/does-air-pollution-play-a-role-in-infertility-a-systematic-review
#19
REVIEW
Julie Carré, Nicolas Gatimel, Jessika Moreau, Jean Parinaud, Roger Léandri
BACKGROUND: Air pollution is involved in many pathologies. These pollutants act through several mechanisms that can affect numerous physiological functions, including reproduction: as endocrine disruptors or reactive oxygen species inducers, and through the formation of DNA adducts and/or epigenetic modifications. We conducted a systematic review of the published literature on the impact of air pollution on reproductive function. Eligible studies were selected from an electronic literature search from the PUBMED database from January 2000 to February 2016 and associated references in published studies...
July 28, 2017: Environmental Health: a Global Access Science Source
https://www.readbyqxmd.com/read/28750633/urinary-bisphenol-a-and-pubertal-development-in-chinese-school-aged-girls-a-cross-sectional-study
#20
Maohua Miao, Ziliang Wang, Xiaoqin Liu, Hong Liang, Zhijun Zhou, Hui Tan, Wei Yuan, De-Kun Li
BACKGROUND: Animal studies suggest that bisphenol A (BPA) may perturb pubertal development in females. However, evidence from human studies is limited. METHODS: This was a cross-sectional study to investigate the association between BPA exposure and pubertal development in school-aged girls. A total of 655 girls aged 9-18 years were selected from three schools in Shanghai, from May to June 2011. We collected one single spot urine sample from each girl. Urine BPA concentrations were measured by modified high-performance liquid chromatography and categorized according to LOD and the median of those above LOD...
July 27, 2017: Environmental Health: a Global Access Science Source
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