The molecular basis of chemical toxicity.

abstract：:Beginning approximately 4 years after the Chernobyl nuclear accident a steady increase in the incidence of thyroid cancer was observed in children and adolescents of the Bryansk Oblast, which received the highest level of radionuclide contaminants in Russia. We examined the spatial relationship between the residence l...

journal_title：Environmental health perspectives

authors： Parshkov EM,Chebotareva IV,Sokolov VA,Dallas CE

更新日期：1997-12-01 00:00:00

abstract：BACKGROUND:Microcystin-producing Microcystis bloom is a severe water problem in the world. Some reports indicate that chronic exposure to microcystin may result in liver damage in adults, but information on effects in children is limited. OBJECTIVE:We investigated the relationship between microcystin exposure and live...

journal_title：Environmental health perspectives

authors： Li Y,Chen JA,Zhao Q,Pu C,Qiu Z,Zhang R,Shu W

更新日期：2011-10-01 00:00:00

abstract：:The instrumentation and practical circuitry required for the detection of negative ions exiting the mass analysis section of a mass spectrometer is examined. The potentials needed to bias the electron multiplier when detecting negative ions from a low ion-energy mass spectrometer, e.g., a quadrupole, are contrasted wi...

journal_title：Environmental health perspectives

authors： McKeown M

更新日期：1980-06-01 00:00:00

abstract：:Along the Texas-Mexico border, the prevalence of neural tube defects (NTDs) among Mexican-American women doubled during 1990-1991. The human outbreak began during the same crop year as epizootics attributed to exposure to fumonisin, a mycotoxin that often contaminates corn. Because Mexican Americans in Texas consume l...

journal_title：Environmental health perspectives

authors： Missmer SA,Suarez L,Felkner M,Wang E,Merrill AH Jr,Rothman KJ,Hendricks KA

更新日期：2006-02-01 00:00:00

abstract：:The formamidines, a relatively new group of acaricide-insecticides, are novel both in their range of biological activities and in their mode of action, which is presently unknown. This paper is a review of the historical development, properties, structures, uses, and chemistry of this group of pesticides, with particu...

journal_title：Environmental health perspectives

authors： Hollingworth RM

更新日期：1976-04-01 00:00:00

abstract：BACKGROUND:Human epidemiological and animal studies suggest that developmental exposure to contaminants that activate the aryl hydrocarbon receptor (AHR) lead to suppression of immune system function throughout life. The persistence of immune deficiency throughout life suggests that the cellular target of AHR activatio...

journal_title：Environmental health perspectives

authors： Laiosa MD,Tate ER,Ahrenhoerster LS,Chen Y,Wang D

更新日期：2016-07-01 00:00:00

abstract：:Cofactors involved in respiratory tract carcinogenesis were studied in Syrian golden hamsters or in rats using benzo(a)pyrene as the carcinogenic agent. These factors included severe tissue damage induced by electro-coagulation, glass fibers administered by intratracheal instillation, acetaldehyde as irritant vapor, f...

journal_title：Environmental health perspectives

authors： Reuzel PG,Feron VJ,Spit BJ,Beems RB,Kroes R

更新日期：1983-04-01 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：:This working paper summarizes the known ultrastructural and biochemical effects of lead, mercury, cadmium, and arsenic on subcellular organelle systems following in vivo administration. Documented metal-induced alterations in nuclear, mitochondrial, microsomal, and lysosomal functions are discussed in relation to thei...

journal_title：Environmental health perspectives

authors： Fowler BA

更新日期：1978-02-01 00:00:00

abstract：:In the National Toxicology Program 2-year inhalation study of dichloromethane (DCM), there was a significant increase in pulmonary neoplasms in female B6C3F1 mice exposed to 2000 ppm (overall rates of 30/48 versus 5/50 in control). Replicative DNA synthesis was examined to evaluate the potential role of treatment-indu...

journal_title：Environmental health perspectives

authors： Kanno J,Foley JF,Kari F,Anderson MW,Maronpot RR

更新日期：1993-12-01 00:00:00

abstract：:Preterm delivery can lead to serious infant health outcomes, including death and lifelong disability. Small increases in preterm delivery risk in relation to spatial gradients of air pollution have been reported, but previous studies may have controlled inadequately for individual factors. Using a time-series analysis...

journal_title：Environmental health perspectives

authors： Sagiv SK,Mendola P,Loomis D,Herring AH,Neas LM,Savitz DA,Poole C

更新日期：2005-05-01 00:00:00

abstract：:Because of rampant concern that estrogenic chemicals in the environment may be adversely affecting the health of humans and wildlife, reliable methods for detecting and characterizing estrogenic chemicals are needed. It is important that general agreement be reached on which tests to use and that these tests then be a...

journal_title：Environmental health perspectives

authors： Shelby MD,Newbold RR,Tully DB,Chae K,Davis VL

更新日期：1996-12-01 00:00:00

abstract：:Many thousand organic compounds are in common use and new ones introduced daily. With many of these materials, little is known about their toxic hazard. For years scientists have been investigating the relation of structure and properties to biological activity. Among the factors relating to toxicity are bioaccumulati...

journal_title：Environmental health perspectives

authors： Freed VH,Chiou CT,Schmedding D,Kohnert R

更新日期：1979-06-01 00:00:00

abstract：BACKGROUND:Benchmark dose (BMD) modeling is an important step in human health risk assessment and is used as the default approach to identify the point of departure for risk assessment. A probabilistic framework for dose-response assessment has been proposed and advocated by various institutions and organizations; ther...

journal_title：Environmental health perspectives

authors： Shao K,Shapiro AJ

更新日期：2018-01-11 00:00:00

abstract：:Metallothioneins (MTs) are encoded by a multigene family in man. We have isolated those genes and analyzed the structure of some of them. The MT-II variant is encoded by a single functional gene: MT-IIA. The MT-IIB gene is a processed pseudogene derived from a reverse transcript of MT-II mRNA. On the other hand, the M...

journal_title：Environmental health perspectives

authors： Karin M,Richards RI

更新日期：1984-03-01 00:00:00

abstract：:Nitroaromatic compounds, ArNO2 have widespread actual or potential use in medicine and cancer therapy. There is direct proof that free-radical metabolites are involved in many applications, and an appreciation of the conceptual basis for their therapeutic differential; however, an understanding of the detailed mechani...

journal_title：Environmental health perspectives

authors： Wardman P

更新日期：1985-12-01 00:00:00

abstract：:Children are uniquely vulnerable to toxic chemicals in the environment. Among the environmental toxicants to which children are at risk of exposure are endocrine disruptors (EDs)--chemicals that have the capacity to interfere with hormonal signaling systems. EDs may alter feedback loops in the brain, pituitary, gonads...

journal_title：Environmental health perspectives

authors： Landrigan P,Garg A,Droller DB

更新日期：2003-10-01 00:00:00

abstract：:The phenomenon of fiber-induced cytotoxicity to P388D1 macrophagelike cells has been demonstrated to parallel (thus far without exception) the probability that the fiber will induce a pleural sarcoma (mesothelioma) in rats. This startling parallel in both cases seems to be essentially independent of the chemical natur...

journal_title：Environmental health perspectives

authors： Lipkin LE

更新日期：1980-02-01 00:00:00

abstract：:N-Substituted aromatic compounds can be metabolized in most species to N-acetylated derivatives that are themselves subject to further enzymatic transformations, including hydrolysis and N,O-acyltransfer. These proceses can either potentiate or ameliorate the biological responses to these N-substituted derivatives. De...

journal_title：Environmental health perspectives

authors： King CM,Glowinski IB

更新日期：1983-03-01 00:00:00

abstract：:Asthma is the most common chronic illness of childhood and its prevalence is increasing, causing much concern for identification of risk factors such as air pollution. We previously conducted a study showing a relationship between asthma visits in all persons < 65 years of age to emergency departments (EDs) and air po...

journal_title：Environmental health perspectives

authors： Norris G,YoungPong SN,Koenig JQ,Larson TV,Sheppard L,Stout JW

更新日期：1999-06-01 00:00:00

abstract：:We developed a series of articles concerning epidemiologic research on potential health effects of electric and magnetic fields. Our goal was to identify methodological issues that have arisen through past studies of cancer, reproduction, and neurobehavioral outcomes in order to suggest strategies to extend knowledge....

journal_title：Environmental health perspectives

authors： Savitz DA

更新日期：1993-12-01 00:00:00

abstract：:To assess levels of chlorinated contaminants in breast milk, we measured organochlorine pesticides, polychlorinated biphenyls, polychlorinated dibenzo-p-dioxins (PCDDs), and polychlorinated dibenzofurans (PCDFs) in breast milk samples collected in 1994 according to the World Health Organization protocol from 92 donors...

journal_title：Environmental health perspectives

authors： Hooper K,Petreas MX,Chuvakova T,Kazbekova G,Druz N,Seminova G,Sharmanov T,Hayward D,She J,Visita P,Winkler J,McKinney M,Wade TJ,Grassman J,Stephens RD

更新日期：1998-12-01 00:00:00

abstract：:Polychlorinated biphenyls (PCBs) are persistent pollutants that are ubiquitous in the food chain, and detectable amounts are in the blood of almost every person in most populations that have been examined. Extensive evidence from animal studies shows that PCBs are neurotoxins, even at low doses. Interpretation of huma...

journal_title：Environmental health perspectives

authors： Longnecker MP,Wolff MS,Gladen BC,Brock JW,Grandjean P,Jacobson JL,Korrick SA,Rogan WJ,Weisglas-Kuperus N,Hertz-Picciotto I,Ayotte P,Stewart P,Winneke G,Charles MJ,Jacobson SW,Dewailly E,Boersma ER,Altshul LM,Heinzow B

更新日期：2003-01-01 00:00:00

abstract：:Inhaled asbestos fibers may contribute to three-fourths of malignant mesotheliomas diagnosed in men and almost 40% of cases diagnosed in women. Bans on the manufacture and sale of amphibole asbestos fibers are expected to reduce the incidence of mesothelioma, but the long latency period from initial exposure to clinic...

journal_title：Environmental health perspectives

authors： Tse LA,Yu IT,Goggins W,Clements M,Wang XR,Au JS,Yu KS

更新日期：2010-03-01 00:00:00

abstract：BACKGROUND:Lead exposure is associated with elevated blood pressure during pregnancy; however, the magnitude of this relationship at low exposure levels is unclear. OBJECTIVES:Our goal was to determine the association between low-level lead exposure and blood pressure during late pregnancy. METHODS:We collected admis...

journal_title：Environmental health perspectives

authors： Wells EM,Navas-Acien A,Herbstman JB,Apelberg BJ,Silbergeld EK,Caldwell KL,Jones RL,Halden RU,Witter FR,Goldman LR

更新日期：2011-05-01 00:00:00

abstract：BACKGROUND:Humans living near industrial point emissions can experience high levels of exposures to air pollutants. Map Ta Phut Industrial Estate in Thailand is the location of the largest steel, oil refinery, and petrochemical factory complexes in Southeast Asia. Air pollution is an important source of oxidative stres...

journal_title：Environmental health perspectives

authors： Peluso M,Srivatanakul P,Munnia A,Jedpiyawongse A,Ceppi M,Sangrajrang S,Piro S,Boffetta P

更新日期：2010-01-01 00:00:00

abstract：:Poly(vinyl chloride) resins are produced by four basic processes: suspension, emulsion, bulk and solution polymerization. PVC suspensions resins are usually relatively dust-free and granular with varying degrees of particle porosity. PVC emulsion resins are small particle powders containing very little free monomer. B...

journal_title：Environmental health perspectives

authors： Wheeler RN Jr

更新日期：1981-10-01 00:00:00

abstract：:A population of approximately 650 beluga (Delphinapterus leucas) inhabits a short segment of the St. Lawrence estuary (SLE). Over 17 years (1983-1999), we have examined 129 (or 49%) of 263 SLE beluga carcasses reported stranded. The major primary causes of death were respiratory and gastrointestinal infections with me...

journal_title：Environmental health perspectives

authors： Martineau D,Lemberger K,Dallaire A,Labelle P,Lipscomb TP,Michel P,Mikaelian I

更新日期：2002-03-01 00:00:00

abstract：:We found an epidemic of juvenile hypothyroidism among a population of self-defined "downwinders" living near the Hanford nuclear facility located in southeast Washington State. The episode followed massive releases of 131I. Self-reported data on 60 cases of juvenile hypothyroidism (<20 years of age) among a group of 8...

journal_title：Environmental health perspectives

authors： Goldsmith JR,Grossman CM,Morton WE,Nussbaum RH,Kordysh EA,Quastel MR,Sobel RB,Nussbaum FD

更新日期：1999-04-01 00:00:00

abstract：:We evaluated predictors of plasma concentrations of dichlorodiphenyldichloroethylene (DDE), a metabolite of dichlorodiphenyltrichloroethane (DDT), and polychlorinated biphenyls (PCBs) in a group of 240 women, controls from a breast cancer case-control study nested in the Nurses' Health Study. We considered personal at...

journal_title：Environmental health perspectives

authors： Laden F,Neas LM,Spiegelman D,Hankinson SE,Willett WC,Ireland K,Wolff MS,Hunter DJ

更新日期：1999-01-01 00:00:00