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Environment International

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https://www.readbyqxmd.com/read/29161633/urinary-concentrations-of-biomarkers-of-phthalates-and-phthalate-alternatives-and-ivf-outcomes
#1
Ronit Machtinger, Audrey J Gaskins, Catherine Racowsky, Abdallah Mansur, Michal Adir, Andrea A Baccarelli, Antonia M Calafat, Russ Hauser
Phthalates are a class of chemicals found in a large variety of consumer products. Available experimental and limited human data show adverse effects of some phthalates on ovarian function, which has raised concerns regarding potential effects on fertility. The aim of the current study was to determine whether urinary concentrations of metabolites of phthalates and phthalate alternatives are associated with intermediate and clinical in vitro fertilization (IVF) outcomes. We enrolled 136 women undergoing IVF in a Tertiary University Affiliated Hospital...
November 18, 2017: Environment International
https://www.readbyqxmd.com/read/29161632/ambient-air-pollution-adipokines-and-glucose-homeostasis-the-framingham-heart-study
#2
Wenyuan Li, Kirsten S Dorans, Elissa H Wilker, Mary B Rice, Itai Kloog, Joel D Schwartz, Petros Koutrakis, Brent A Coull, Diane R Gold, James B Meigs, Caroline S Fox, Murray A Mittleman
OBJECTIVE: To examine associations of proximity to major roadways, sustained exposure to fine particulate matter (PM2.5), and acute exposure to ambient air pollutants with adipokines and measures of glucose homeostasis among participants living in the northeastern United States. METHODS: We included 5958 participants from the Framingham Offspring cohort examination cycle 7 (1998-2001) and 8 (2005-2008) and Third Generation cohort examination cycle 1 (2002-2005) and 2 (2008-2011), who did not have type 2 diabetes at the time of examination visit...
November 18, 2017: Environment International
https://www.readbyqxmd.com/read/29157867/challenges-in-assessing-the-health-risks-of-consuming-vegetables-in-metal-contaminated-environments
#3
Anna Augustsson, Terese Uddh-Söderberg, Monika Filipsson, Ingela Helmfrid, Marika Berglund, Helen Karlsson, Johan Hogmalm, Andreas Karlsson, Stina Alriksson
A great deal of research has been devoted to the characterization of metal exposure due to the consumption of vegetables from urban or industrialized areas. It may seem comforting that concentrations in crops, as well as estimated exposure levels, are often found to be below permissible limits. However, we show that even a moderate increase in metal accumulation in crops may result in a significant increase in exposure. We also highlight the importance of assessing exposure levels in relation to a regional baseline...
November 17, 2017: Environment International
https://www.readbyqxmd.com/read/29156323/early-life-exposure-to-per-and-polyfluoroalkyl-substances-and-mid-childhood-lipid-and-alanine-aminotransferase-levels
#4
Ana M Mora, Abby F Fleisch, Sheryl L Rifas-Shiman, Jennifer A Woo Baidal, Larissa Pardo, Thomas F Webster, Antonia M Calafat, Xiaoyun Ye, Emily Oken, Sharon K Sagiv
BACKGROUND: Growing evidence suggests that exposure to per- and polyfluoroalkyl substances (PFASs) may disrupt lipid homeostasis and liver function, but data in children are limited. OBJECTIVE: We examined the association of prenatal and mid-childhood PFAS exposure with lipids and alanine aminotransferase (ALT) levels in children. METHODS: We studied 682 mother-child pairs from a Boston-area pre-birth cohort. We quantified PFASs in maternal plasma collected in pregnancy (median 9...
November 17, 2017: Environment International
https://www.readbyqxmd.com/read/29153471/comparison-of-built-environment-adaptations-to-heat-exposure-and-mortality-during-hot-weather-west-midlands-region-uk
#5
Jonathon Taylor, Paul Wilkinson, Roberto Picetti, Phil Symonds, Clare Heaviside, Helen L Macintyre, Michael Davies, Anna Mavrogianni, Emma Hutchinson
There is growing recognition of the need to improve protection against the adverse health effects of hot weather in the context of climate change. We quantify the impact of the Urban Heat Island (UHI) and selected adaptation measures made to dwellings on temperature exposure and mortality in the West Midlands region of the UK. We used 1) building physics models to assess indoor temperatures, initially in the existing housing stock and then following adaptation measures (energy efficiency building fabric upgrades and/or window shutters), of representative dwelling archetypes using data from the English Housing Survey (EHS), and 2) modelled UHI effect on outdoor temperatures...
November 16, 2017: Environment International
https://www.readbyqxmd.com/read/29150340/placental-transfer-and-levels-of-mercury-selenium-vitamin-e-and-docosahexaenoic-acid-in-maternal-and-umbilical-cord-blood
#6
Mineshi Sakamoto, Hing Man Chan, José L Domingo, Chihaya Koriyama, Katsuyuki Murata
Methylmercury (MeHg) is a neurotoxicant known to affect the developing fetal brain as a sensitive target organ. As most mercury (Hg) in blood is MeHg, total mercury (THg) levels in blood are used to estimate the body burden of MeHg. The nutrients selenium (Se), vitamin E, and docosahexaenoic acid (DHA) are protective against MeHg toxicity. We compared maternal and cord blood concentrations of biochemical substances, THg and Se, vitamin E, DHA, and other elements, fatty acids, and amino acids in 54 Japanese mother-newborn pairs to elucidate the fetal risk of MeHg toxicity...
November 14, 2017: Environment International
https://www.readbyqxmd.com/read/29150339/hair-concentration-of-trace-elements-and-growth-in-homeless-children-aged-6years-results-from-the-enfams-study
#7
Lucia Fábelová, Stéphanie Vandentorren, Cécile Vuillermoz, Robert Garnier, Sandrine Lioret, Jérémie Botton
BACKGROUND: Growth is an important indicator of health in early childhood. This is a critical developmental period, during which a number of factors, including exposure to metals, might play a role in later physical and metabolic functions. OBJECTIVE: To study the association between exposure to arsenic (As), cadmium (Cd), mercury (Hg), lead (Pb) and selenium (Se), and physical growth of children from homeless families aged <6years. METHODS: This study was based on data of the cross-sectional survey (ENFAMS), which was conducted by the Observatoire du Samu Social on a random sample of homeless sheltered families in the Paris region during winter 2013...
November 14, 2017: Environment International
https://www.readbyqxmd.com/read/29150338/impacts-of-prenatal-triclosan-exposure-on-fetal-reproductive-hormones-and-its-potential-mechanism
#8
Caifeng Wang, Limei Chen, Shasha Zhao, Yi Hu, Yijun Zhou, Yu Gao, Weiye Wang, Jun Zhang, Ying Tian
BACKGROUND: Triclosan (TCS) has been widely detected in pregnant women. The reproductive endocrine-disrupting effects of TCS have been observed in humans and animals. Little is known about the potential impact of prenatal TCS exposure on fetal reproductive development as well as its potential mechanism. OBJECTIVES: We investigated the potential effect of prenatal TCS exposure on fetal reproductive hormones in cord blood and its potential mechanism in relation to placental steroidogenic enzymes...
November 14, 2017: Environment International
https://www.readbyqxmd.com/read/29146008/heat-and-pregnancy-related-emergencies-risk-of-placental-abruption-during-hot-weather
#9
Siyi He, Tom Kosatsky, Audrey Smargiassi, Marianne Bilodeau-Bertrand, Nathalie Auger
INTRODUCTION: Outdoor heat increases the risk of preterm birth and stillbirth, but the association with placental abruption has not been studied. Placental abruption is a medical emergency associated with major morbidity and mortality in pregnancy. We determined the relationship between ambient temperature and risk of placental abruption in warm seasons. MATERIAL AND METHODS: We performed a case-crossover analysis of 17,172 women whose pregnancies were complicated by placental abruption in Quebec, Canada from May to October 1989-2012...
November 13, 2017: Environment International
https://www.readbyqxmd.com/read/29132709/letter-to-the-editor-re-lynch-et-al-2017
#10
LETTER
Samuel M Cohen
No abstract text is available yet for this article.
November 10, 2017: Environment International
https://www.readbyqxmd.com/read/29128258/assessment-of-human-exposure-to-pesticides-by-hair-analysis-the-case-of-vegetable-producing-areas-in-burkina-faso
#11
Edouard Lehmann, Christelle Oltramare, Jean-Jacques Nfon Dibié, Yacouba Konaté, Luiz Felippe de Alencastro
The present work assesses human exposure to pesticides in vegetable-producing areas in Burkina Faso, using hair as an indicator. The study design includes a comparison between operators who are occupationally exposed while working in the fields and a reference population (i.e. not occupationally exposed) to evaluate both occupational and indirect exposures. Hair samples from volunteers (n=101) were positive for 17 pesticides (38 analyzed). Acetamiprid, desethylatrazine, carbofuran, and deltamethrin were detected for the first time in field samples...
November 8, 2017: Environment International
https://www.readbyqxmd.com/read/29097053/protection-goals-must-guide-risk-assessment-for-antibiotics
#12
LETTER
Johan Bengtsson-Palme, D G Joakim Larsson
No abstract text is available yet for this article.
October 31, 2017: Environment International
https://www.readbyqxmd.com/read/28988795/exposure-to-elemental-composition-of-outdoor-pm2-5-at-birth-and-cognitive-and-psychomotor-function-in-childhood-in-four-european-birth-cohorts
#13
Małgorzata J Lubczyńska, Jordi Sunyer, Henning Tiemeier, Daniela Porta, Monika Kasper-Sonnenberg, Vincent W V Jaddoe, Xavier Basagaña, Albert Dalmau-Bueno, Francesco Forastiere, Jürgen Wittsiepe, Barbara Hoffmann, Mark Nieuwenhuijsen, Gerard Hoek, Kees de Hoogh, Bert Brunekreef, Mònica Guxens
BACKGROUND: Little is known about developmental neurotoxicity of particulate matter composition. We aimed to investigate associations between exposure to elemental composition of outdoor PM2.5 at birth and cognitive and psychomotor functions in childhood. METHODS: We analyzed data from 4 European population-based birth cohorts in the Netherlands, Germany, Italy and Spain, with recruitment in 2000-2006. Elemental composition of PM2.5 measurements were performed in each region in 2008-2011 and land use regression models were used to predict concentrations at participants' residential addresses at birth...
October 5, 2017: Environment International
https://www.readbyqxmd.com/read/28918369/the-development-of-biodiversity-conservation-measures-in-china-s-hydro-projects-a-review
#14
REVIEW
Ruiqiao Bai, Xuehua Liu, Xiaofei Liu, Lanmei Liu, Jianping Wang, Sihui Liao, Annah Zhu, Zhouyuan Li
The hydropower capacity of China ranks first in the world and accounts for approximately 20% of the total energy production in the country. While hydropower has substantially contributed to meeting China's renewable energy targets and providing clean energy to rural areas, the development of hydropower in China has been met with significant controversy. Ecologically, hydro projects alter the landscape, with potential impacts to the country's aquatic biodiversity. Over the past four decades in China, various mainstream opinions and misunderstandings have been presented concerning how to alleviate the negative impacts of hydro projects on aquatic ecosystems...
September 14, 2017: Environment International
https://www.readbyqxmd.com/read/28917208/prenatal-exposure-to-perfluoroalkyl-substances-and-birth-outcomes-in-a-spanish-birth-cohort
#15
Cyntia B Manzano-Salgado, Maribel Casas, Maria-Jose Lopez-Espinosa, Ferran Ballester, Carmen Iñiguez, David Martinez, Olga Costa, Loreto Santa-Marina, Eva Pereda-Pereda, Thomas Schettgen, Jordi Sunyer, Martine Vrijheid
BACKGROUND: Prenatal perfluorooctanoate (PFOA) exposure has been associated with reduced birth weight but maternal glomerular filtration rate (GFR) may attenuate this association. Further, this association remains unclear for other perfluoroalkyl substances (PFAS), such as perfluorooctane sulfonate (PFOS), perfluorohexane sulfonate (PFHxS), and perfluorononanoate (PFNA). We estimated associations between prenatal PFAS exposure and birth outcomes, and the influence of GFR, in a Spanish birth cohort...
September 13, 2017: Environment International
https://www.readbyqxmd.com/read/28917207/exposure-to-ambient-air-pollution-and-the-incidence-of-dementia-a-population-based-cohort-study
#16
Hong Chen, Jeffrey C Kwong, Ray Copes, Perry Hystad, Aaron van Donkelaar, Karen Tu, Jeffrey R Brook, Mark S Goldberg, Randall V Martin, Brian J Murray, Andrew S Wilton, Alexander Kopp, Richard T Burnett
INTRODUCTION: Emerging studies have implicated air pollution in the neurodegenerative processes. Less is known about the influence of air pollution, especially at the relatively low levels, on developing dementia. We conducted a population-based cohort study in Ontario, Canada, where the concentrations of pollutants are among the lowest in the world, to assess whether air pollution exposure is associated with incident dementia. METHODS: The study population comprised all Ontario residents who, on 1 April 2001, were 55-85years old, Canadian-born, and free of physician-diagnosed dementia (~2...
September 13, 2017: Environment International
https://www.readbyqxmd.com/read/28898809/occurrence-of-nitro-and-oxy-pahs-in-agricultural-soils-in-eastern-china-and-excess-lifetime-cancer-risks-from-human-exposure-through-soil-ingestion
#17
Zhe Sun, Ying Zhu, Shaojie Zhuo, Weiping Liu, Eddy Y Zeng, Xilong Wang, Baoshan Xing, Shu Tao
The quality of agricultural soil is vital to human health, however soil contamination is a severe problem in China. Polycyclic aromatic hydrocarbons (PAHs) have been found to be among the major soil contaminants in China. PAH derivatives could be more toxic but their measurements in soils are extremely limited. This study reports levels, spatial distributions and compositions of 11 nitrated (nPAHs) and 4 oxygenated PAHs (oPAHs) in agricultural soils covering 26 provinces in eastern China to fill the data gap...
September 9, 2017: Environment International
https://www.readbyqxmd.com/read/28892786/gestational-diabetes-mellitus-and-exposure-to-ambient-air-pollution-and-road-traffic-noise-a-cohort-study
#18
Marie Pedersen, Sjurdur F Olsen, Thorhallur I Halldorsson, Cuilin Zhang, Dorrit Hjortebjerg, Matthias Ketzel, Charlotta Grandström, Mette Sørensen, Peter Damm, Jens Langhoff-Roos, Ole Raaschou-Nielsen
BACKGROUND: Road traffic is a main source of air pollution and noise. Both exposures have been associated with type 2 diabetes, but associations with gestational diabetes mellitus (GDM) have been studied less. OBJECTIVES: We aimed to examine single and joint associations of exposure to air pollution and road traffic noise on GDM in a prospective cohort. METHODS: We identified GDM cases from self-reports and hospital records, using two different criteria, among 72,745 singleton pregnancies (1997-2002) from the Danish National Birth Cohort...
September 8, 2017: Environment International
https://www.readbyqxmd.com/read/28886417/is-long-term-particulate-matter-and-nitrogen-dioxide-air-pollution-associated-with-incident-monoclonal-gammopathy-of-undetermined-significance-mgus-an-analysis-of-the-heinz-nixdorf-recall-study
#19
Ester Orban, Marina Arendt, Frauke Hennig, Sarah Lucht, Lewin Eisele, Hermann Jakobs, Jan Dürig, Barbara Hoffmann, Karl-Heinz Jöckel, Susanne Moebus
BACKGROUND: Exposure to air pollution activates the innate immune system and influences the adaptive immune system in experimental settings. We investigated the association of residential long-term exposure to particulate matter (PM) and NO2 air pollution with monoclonal gammopathy of undetermined significance (MGUS) as a marker of adaptive immune system activation. METHODS: We used data from the baseline (2000-2003), 5-year (2006-2008) and 10-year (2011-2015) follow-up examinations of the German Heinz Nixdorf Recall cohort study of 4814 participants (45-75years)...
September 5, 2017: Environment International
https://www.readbyqxmd.com/read/28869876/associations-between-internal-exposure-levels-of-persistent-organic-pollutants-in-adipose-tissue-and-deep-infiltrating-endometriosis-with-or-without-concurrent-ovarian-endometrioma
#20
Stéphane Ploteau, German Cano-Sancho, Christelle Volteau, Arnaud Legrand, Anaïs Vénisseau, Vincent Vacher, Philippe Marchand, Bruno Le Bizec, Jean-Philippe Antignac
Endometriosis is a gynaecological disease characterized by the presence of ectopic endometrial tissue. Histologically, it appears as different sub-types, being peritoneal endometriosis, ovarian endometrioma (OvE) and deep infiltrating endometriosis (DIE), which are of major relevance due to their varying clinical presentations. A number of persistent organic pollutants (POPs) have been associated with the onset of endometriosis, yet the overall set of existing studies remains fairly divergent. In this preliminary case-control study we aimed to assess the potential associations between the internal exposure to POPs and the presence of DIE with or without concurrent OvE...
September 1, 2017: Environment International
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