Isothiocyanates reduce mercury accumulation via an Nrf2-dependent mechanism during exposure of mice to methylmercury.

abstract：:The dose-response relationship of the benzene covalent interaction with biological macromolecules from rat organs was studied. The administered dose range was 3.6 x 10(7) starting from the highest dosage employed, 486 mg/kg, which is oncogenic for rodents, and included low and very low dosages. The present study was i...

journal_title：Environmental health perspectives

authors： Mazzullo M,Bartoli S,Bonora B,Colacci A,Grilli S,Lattanzi G,Niero A,Turina MP,Parodi S

更新日期：1989-07-01 00:00:00

abstract：:It has been hypothesized that environmental exposure to synthetic estrogenic chemicals and related endocrine-active compounds may be responsible for a global decrease in sperm counts, decreased male reproductive capacity, and breast cancer in women. Results of recent studies show that there are large demographic varia...

journal_title：Environmental health perspectives

authors： Safe SH

更新日期：2000-06-01 00:00:00

abstract：:Diffuse pulmonary fibrosis is associated with bleomycin administration to humans. The sequential reactions of lung cells to this drug have now been investigated in mice following injection of 20 mg/kg bleomycin twice per week for 4 to 8 weeks. Cytoplasmic and subendothelial edema was first observed in large vessels an...

journal_title：Environmental health perspectives

authors： Adamson IY

更新日期：1976-08-01 00:00:00

abstract：:Low-dose extrapolation model selection for evaluating the health effects of environmental pollutants is a key component of the risk assessment process. At a workshop held in Baltimore, Maryland, on 23-24 April 2007, sponsored by U.S. Environmental Protection Agency and Johns Hopkins Risk Sciences and Public Policy Ins...

journal_title：Environmental health perspectives

authors： White RH,Cote I,Zeise L,Fox M,Dominici F,Burke TA,White PD,Hattis DB,Samet JM

更新日期：2009-02-01 00:00:00

abstract：:Dietary vitamin E affects the susceptibility of mice and rats to ozone and nitrogen dioxide, suggesting a free radical mechanism of toxicity. Conventional peroxidation does not completely explain the effects of alterations of lung fatty acid composition on both nitrogen dioxide and ozone toxicity. A new scheme is prop...

journal_title：Environmental health perspectives

authors： Menzel DB

更新日期：1979-04-01 00:00:00

abstract：:We present evidence that the El Niño phenomenon intensifies the annual cycle of malaria cases for Plasmodium vivax and Plasmodium falciparum in endemic areas of Colombia as a consequence of concomitant anomalies in the normal annual cycle of temperature and precipitation. We used simultaneous analyses of both variable...

journal_title：Environmental health perspectives

authors： Poveda G,Rojas W,Quiñones ML,Vélez ID,Mantilla RI,Ruiz D,Zuluaga JS,Rua GL

更新日期：2001-05-01 00:00:00

abstract：:Previously, we found that exposure of neonatal rats to chlorpyrifos (CPF) produced brain cell damage and loss, with resultant abnormalities of synaptic development. We used the same biomarkers to examine prenatal CPF treatment so as to define the critical period of vulnerability. One group of pregnant rats received CP...

journal_title：Environmental health perspectives

authors： Qiao D,Seidler FJ,Padilla S,Slotkin TA

更新日期：2002-11-01 00:00:00

abstract：:In different weather conditions, constituents and concentrations of pollutants, personal exposure, and biologic responses to air pollution may vary. In this study we assessed the effects of four air pollutants on mortality in both cool and warm seasons in Hong Kong, a subtropical city. Daily counts of mortality, due t...

journal_title：Environmental health perspectives

authors： Wong CM,Ma S,Hedley AJ,Lam TH

更新日期：2001-04-01 00:00:00

abstract：:The lymphocyte micronucleus assay was used to measure the average frequency of micronuclei in a population and thus assess genotoxic effects. Data from 174 persons give an average value of 16.4 +/- 7.3, and a slight age-dependence was observed. To detect combined environmental mutagen injuries the micronucleus assay w...

journal_title：Environmental health perspectives

authors： Bérces J,Otos M,Szirmai S,Crane-Uruena C,Köteles GJ

更新日期：1993-10-01 00:00:00

abstract：BACKGROUND:Methylmercury (MeHg), a worldwide contaminant found in fish and seafood, has been linked to an increased risk of cardiovascular mortality. OBJECTIVE:We examined 42 Faroese whaling men (30-70 years of age) to assess possible adverse effects within a wide range of MeHg exposures from consumption of pilot whal...

journal_title：Environmental health perspectives

authors： Choi AL,Weihe P,Budtz-Jørgensen E,Jørgensen PJ,Salonen JT,Tuomainen TP,Murata K,Nielsen HP,Petersen MS,Askham J,Grandjean P

更新日期：2009-03-01 00:00:00

abstract：:To assess the possibility that increases in UV-B exposure on the earth's surface could lead to impaired resistance to several infectious diseases, we studied the effect of UV-B exposure on resistance against Trichinella spiralis. Wistar rats, orally infected with T. spiralis larvae, were exposed to suberythemal doses ...

journal_title：Environmental health perspectives

authors： Goettsch W,Garssen J,Deijns A,de Gruijl FR,van Loveren H

更新日期：1994-03-01 00:00:00

abstract：:High-performance liquid chromatography (HPLC) methods are described which permit the rapid isolation of multiple target macromolecules from the tissues of animals exposed to chemical mutagens. DNA and selected chromosomal proteins are isolated in a simple two step separation scheme. Isolated nuclei are dissolved in 3 ...

journal_title：Environmental health perspectives

authors： Balhorn R,Mazrimas JA,Corzett M

更新日期：1985-10-01 00:00:00

abstract：:Metallothionein from livers of mice was isolated by gel chromatography and isoelectric focusing. One of two forms thus obtained contained 32 percent cysteine. This form, labeled in vitro with 109Cd, was injected intravenously in mice, and the distribution of 109Cd was studied. Animals killed after 4 hrs had over 80 pe...

journal_title：Environmental health perspectives

authors： Nordberg M,Nordberg GF

更新日期：1975-12-01 00:00:00

abstract：:Much public health research has been directed to studies of cancer risks due to chemical agents. Recently, increasing attention has been given to adverse reproductive outcomes as another, shorter-term biologic indicator of public health impact. Further, several low-level ubiquitous physical agents have been implicated...

journal_title：Environmental health perspectives

authors： Meyer RE,Aldrich TE,Easterly CE

更新日期：1989-05-01 00:00:00

abstract：:In these studies the effects of ingested arsenic (As(+5)) on hepatic heme biosynthetic capability and hemoprotein function in adult male rats were investigated. Animals exposed for 6 weeks to 0, 20, 40, or 85 ppm sodium arsenate in the drinking water suffered depression of hepatic delta-aminolevulinic acid (ALA) synth...

journal_title：Environmental health perspectives

authors： Woods JS,Fowler BA

更新日期：1977-08-01 00:00:00

abstract：BACKGROUND:Differences in the neighborhood food environment may contribute to disparities in obesity. OBJECTIVES:The purpose of this study was to examine the association of neighborhood food environments with body mass index (BMI) and obesity after control for neighborhood walkability. METHODS:This study employed a c...

journal_title：Environmental health perspectives

authors： Rundle A,Neckerman KM,Freeman L,Lovasi GS,Purciel M,Quinn J,Richards C,Sircar N,Weiss C

更新日期：2009-03-01 00:00:00

abstract：:Phthalates are a group of multifunctional chemicals used in consumer and personal care products, plastics, and medical devices. Laboratory studies show that some phthalates are reproductive and developmental toxicants. Recently, human studies have shown measurable levels of several phthalates in most of the U.S. gener...

journal_title：Environmental health perspectives

authors： Hauser R,Duty S,Godfrey-Bailey L,Calafat AM

更新日期：2004-05-01 00:00:00

abstract：BACKGROUND:Evidence suggests that cardiovascular effects of air pollution are mediated by inflammation and that air pollution can induce genetic expression of the interleukin-6 gene (IL6). OBJECTIVES:We investigated whether IL6 and fibrinogen gene variants can affect plasma IL-6 responses to air pollution in patients ...

journal_title：Environmental health perspectives

authors： Ljungman P,Bellander T,Schneider A,Breitner S,Forastiere F,Hampel R,Illig T,Jacquemin B,Katsouyanni K,von Klot S,Koenig W,Lanki T,Nyberg F,Pekkanen J,Pistelli R,Pitsavos C,Rosenqvist M,Sunyer J,Peters A

更新日期：2009-09-01 00:00:00

abstract：:As part of a large pilot investigation of multimedia exposure to several classes of environmental contaminants, the National Human Exposure Assessment Survey (NHEXAS)-Maryland study, we collected 388 semiquantitative food checklists and duplicate diet solid food samples, analyzed for arsenic, cadmium, chromium, and le...

journal_title：Environmental health perspectives

authors： Ryan PB,Scanlon KA,MacIntosh DL

更新日期：2001-02-01 00:00:00

abstract：BACKGROUND:Exposure to perfluorooctane sulfonic acid (PFOS) or to perfluorooctanoic acid (PFOA) increases mouse and human peroxisome proliferator-activated receptor alpha (PPARα) subtype activity, which influences lipid metabolism. Because cholesterol is the substrate from which testosterone is synthesized, exposure to...

journal_title：Environmental health perspectives

authors： Maisonet M,Calafat AM,Marcus M,Jaakkola JJ,Lashen H

更新日期：2015-12-01 00:00:00

abstract：:Rats were used to study the general activity and the isoenzyme spectrum of lactate dehydrogenase (LDH) during single-instance and long-term introduction of polychlorocamphene. Total lactate dehydrogenase activity decreases in the liver during the single-instance introduction of half the LD50 (120 mg/kg). The isoenzyme...

journal_title：Environmental health perspectives

authors： Kuz'minskaya UA,Alekhina SM

更新日期：1976-02-01 00:00:00

abstract：:In estimating the cancer mortality risk for radiation workers it is conventional to use data obtained from the populations exposed to radiation as a result of the atomic bomb blast in Hiroshima and Nagasaki. This A-bomb experience resulted in relatively high doses of radiation and short periods of exposure. The availa...

journal_title：Environmental health perspectives

authors： Stewart A

更新日期：1997-12-01 00:00:00

abstract：:In previous attempts to model disposition of 1,3-butadiene in mice and rats, parameter values for 1,2-epoxybut-3-ene metabolism were optimized to reproduce elimination of this gas from closed chambers. However, each of these models predicted much higher concentrations of circulating epoxybutene than were subsequently ...

journal_title：Environmental health perspectives

authors： Kohn MC,Melnick RL

更新日期：2000-10-01 00:00:00

abstract：:The in vivo micronucleus assay can be analyzed by comparing the number of micronuclei (MN) of several dose groups with those of a control group. In several publications, difficulties arose in estimating a suitable distribution for MN, even in the untreated historical control groups. Mitchell et al. described the prese...

journal_title：Environmental health perspectives

authors： Hothorn L

更新日期：1994-01-01 00:00:00

abstract：:The Lower North Shore region of the St. Lawrence River is home to a fish-eating population that displays an unusually high body burden of several organochlorines, including polychlorinated biphenyls (PCBs) and dioxin-like compounds (DLCs). We measured biomarkers indicative of liver enzyme induction and investigated th...

journal_title：Environmental health perspectives

authors： Ayotte P,Dewailly E,Lambert GH,Perkins SL,Poon R,Feeley M,Larochelle C,Pereg D

更新日期：2005-10-01 00:00:00

abstract：INTRODUCTION:Ambient particulate pollution and traffic have been linked to myocardial infarction and cardiac death risk. Possible mechanisms include autonomic cardiac dysfunction. METHODS:In a repeated-measures study of 46 patients 43-75 years of age, we investigated associations of central-site ambient particulate po...

journal_title：Environmental health perspectives

authors： Zanobetti A,Gold DR,Stone PH,Suh HH,Schwartz J,Coull BA,Speizer FE

更新日期：2010-03-01 00:00:00

abstract：:A literature review of experimental and human exposure studies of skin permeation and cutaneous hypersensitivity reactions evoked by chromium was carried out to provide a basis for making a risk assessment of chromium as a soil contaminant. In vitro and in vivo studies demonstrated that 1 to 4% of the applied dose of ...

journal_title：Environmental health perspectives

authors： Bagdon RE,Hazen RE

更新日期：1991-05-01 00:00:00

abstract：:Once a sign of modernization and growth, dams are often seen today as symbols of environmental and social devastation. Over 800,000 dams have been built worldwide to provide drinking water, flood control, hydropower, irrigation, navigation, and water storage. Dams do indeed provide these things,but at the cost of seve...

journal_title：Environmental health perspectives

authors： Joyce S

更新日期：1997-10-01 00:00:00

abstract：:The U.S. Environmental Protection Agency is under a congressional mandate to revise its current standard for arsenic in drinking water. We present a risk assessment for cancers of the bladder, liver, and lung from exposure to arsenic in water, based on data from 42 villages in an arseniasis-endemic region of Taiwan. W...

journal_title：Environmental health perspectives

authors： Morales KH,Ryan L,Kuo TL,Wu MM,Chen CJ

更新日期：2000-07-01 00:00:00

abstract：:Widespread and persistent organochlorine (OC) contaminants, such as polychlorinated biphenyls (PCBs) and pesticides, are known to have broad-ranging toxicities in wildlife. In this study we investigated, for the first time, their possible health effects on loggerhead sea turtles (Caretta caretta). Nonlethal fat biopsi...

journal_title：Environmental health perspectives

authors： Keller JM,Kucklick JR,Stamper MA,Harms CA,McClellan-Green PD

更新日期：2004-07-01 00:00:00