Occupational asthma with paroxysmal atrial fibrillation in a diamond polisher.

abstract：:Many substances are active in in vitro tests for estrogenic activity, but data from multigenerational and other toxicity studies are not available for many of those substances. Controversy has arisen, therefore, concerning the likelihood of adverse health effects. Based on a toxic equivalence factor risk assessment ap...

journal_title：Environmental health perspectives

authors： Rudel R

更新日期：1997-04-01 00:00:00

abstract：BACKGROUND:Cumulative lead exposure is associated with a widened pulse pressure (PP; the -difference between systolic and diastolic blood pressure), a marker of arterial stiffness and a predictor of cardiovascular disease. Polymorphisms in the hemochromatosis gene (HFE) have been shown to modify the impact of cumulativ...

journal_title：Environmental health perspectives

authors： Zhang A,Park SK,Wright RO,Weisskopf MG,Mukherjee B,Nie H,Sparrow D,Hu H

更新日期：2010-09-01 00:00:00

abstract：:The role of the knowledge of high risk groups in the standard-setting process is examined. The overall conclusion is that many potential high risk segments of the population have not been studied adequately and that this deficiency in our knowledge markedly reduces the ability of decision makers to derive appropriate ...

journal_title：Environmental health perspectives

authors： Calabrese EJ

更新日期：1983-10-01 00:00:00

abstract：:Humans are exposed to a large number of environmental chemicals: Some of these may be toxic, and many others have unknown or poorly characterized health effects. There is intense interest in determining the impact of exposure to environmental chemical mixtures on human health. As the study of mixtures continues to evo...

journal_title：Environmental health perspectives

authors： Braun JM,Gennings C,Hauser R,Webster TF

更新日期：2016-01-01 00:00:00

abstract：:Short-term increases in ambient air pollution have been associated with an increased incidence of acute cardiac events. We assessed the effect of inhalation exposure to concentrated ambient particles (CAPs) on myocardial ischemia in a canine model of coronary artery occlusion. Six mongrel dogs underwent thoracotomy fo...

journal_title：Environmental health perspectives

authors： Wellenius GA,Coull BA,Godleski JJ,Koutrakis P,Okabe K,Savage ST,Lawrence JE,Murthy GG,Verrier RL

更新日期：2003-04-01 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：:Outdoor ambient air pollutant exposures in communities are relevant to the acute exacerbation and possibly the onset of asthma. However, the complexity of pollutant mixtures and etiologic heterogeneity of asthma has made it difficult to identify causal components in those mixtures. Occupational exposures associated wi...

journal_title：Environmental health perspectives

authors： Delfino RJ

更新日期：2002-08-01 00:00:00

abstract：:The cytotoxic action of a series of mineral dusts has been studied using Chinese hamster V79-4 cells obtained from three separate laboratories in the UK. The dusts which have been studied include samples of asbestos from the Union Internationale Contre le Cancer reference series and an internationally available sample...

journal_title：Environmental health perspectives

authors： Lock SO,Chamberlain M

更新日期：1983-09-01 00:00:00

abstract：:Lipocortins are structurally related, glucocorticoid-inducible proteins that inhibit phospholipase A2 (PLA2), thereby reducing the liberation of arachidonic acid from phospholipids and so limiting the synthesis of eicosanoid inflammatory mediators. This study is the first demonstration of one lipocortin, lipocortin 1 ...

journal_title：Environmental health perspectives

authors： Smith SF,Tetley TD,Guz A,Flower RJ

更新日期：1990-04-01 00:00:00

abstract：:Groundwater pollution has become a worrisome phenomenon, mainly for aquifers underlying industrialized areas. In order to evaluate the risk of pollution, a model of the aquifer is needed. Herewith, we describe a quasi-tridimensional model, which we applied to a multilayered aquifer where a phreatic aquifer was coupled...

journal_title：Environmental health perspectives

authors： Ponzini G,Crosta G,Giudici M

更新日期：1989-11-01 00:00:00

abstract：:We assessed the reproducibility of X-ray fluorescence-based lead measurements from multiple measurements made on a low-concentration plaster of paris phantom and in five subjects measured five times on two occasions. Over a 6-month period, 220 measurements of the same phantom were obtained and showed a standard deviat...

journal_title：Environmental health perspectives

authors： Gordon CL,Webber CE,Chettle DR

更新日期：1994-08-01 00:00:00

abstract：:The lung epithelium resorbs alveolar fluid through combined action of sodium channels and the sodium pump, Na,K-ATPase. The lung often is exposed to hyperoxia in disease states and hyperoxia generates a mixture of reactive oxygen species. In vivo and in vitro exposure of rat lung and alveolar type II cells, respective...

journal_title：Environmental health perspectives

authors： Wendt CH,Sharma R,Bair R,Towle H,Ingbar DH

更新日期：1998-10-01 00:00:00

abstract：:The problems of quantitating chrysotile in water by fiber count techniques are reviewed briefly and the use of mass quantitation is suggested as a preferable measure. Chrysotile fiber has been found in almost every sample of natural water examined, but generally transmission electron miscroscopy (TEM) is required beca...

journal_title：Environmental health perspectives

authors： Speil S

更新日期：1974-12-01 00:00:00

abstract：:With this research I tested the hypothesis that individual preferences for specific ecosystem components and restorative environments are significantly associated with quality of life (QOL). A total of 379 human subjects responded to a structured 18-item questionnaire on topophilia and to the 26-item World Health Orga...

journal_title：Environmental health perspectives

authors： Ogunseitan OA

更新日期：2005-02-01 00:00:00

abstract：:Cytochrome P450 (CYP) enzymes catalyze the generation of reactive species capable of binding with cellular macromolecules, leading to acute and delayed toxicity. Since individual CYP forms differ markedly in their substrate preferences and regulation, the expression profiles of CYP in various cell types are important ...

journal_title：Environmental health perspectives

authors： Pelkonen O,Raunio H

更新日期：1997-06-01 00:00:00

abstract：:The Tradescantia genetic system developed by the late Dr. Arnold H. Sparrow for the study of effects of ionizing radiation is applicable to chemical mutagen detection. Early radiobiological data demonstrated that the stamen hairs were sensitive to as little as 0.25 rad of x-rays and that the number of cells showing a ...

journal_title：Environmental health perspectives

authors： Schairer LA,Van't Hof J,Hayes CG,Burton RM,de Serres FJ

更新日期：1978-12-01 00:00:00

abstract：:This report updates the risk assessment by Crump and Allen for benzene-induced leukemia that was based on a cohort exposed to benzene in the manufacture of Pliofilm. The present study derives new risk estimates using data from follow-up through 1987 (whereas the earlier assessment only had follow-up available through ...

journal_title：Environmental health perspectives

authors： Crump KS

更新日期：1996-12-01 00:00:00

abstract：:In recent years there have been a significant number of publications on the benefits and challenges of community-based participatory research (CBPR). In this introduction we give an overview of three projects presented in this mini-monograph and highlight their commonalities and differences in developing community-uni...

journal_title：Environmental health perspectives

authors： Srinivasan S,Collman GW

更新日期：2005-12-01 00:00:00

abstract：BACKGROUND:Preterm birth (PTB), a leading cause of infant mortality and morbidity, has a complex etiology with a multitude of interacting causes and risk factors. The role of environmental contaminants, particularly bisphenol A (BPA), is understudied with regard to PTB. OBJECTIVES:In the present study we examined the ...

journal_title：Environmental health perspectives

authors： Cantonwine DE,Ferguson KK,Mukherjee B,McElrath TF,Meeker JD

更新日期：2015-09-01 00:00:00

abstract：:Metals continually rank at the top of the U.S. Environmental Protection Agency's annual list of agents that pose the greatest hazard to the people of the United States. Metals aren't going away, either. They do not biodegrade, and they often concentrate in human and animal cells and tissue. Many metals are known human...

journal_title：Environmental health perspectives

authors： Fisher BE

更新日期：1999-05-01 00:00:00

abstract：:The mutagenic activities of several phthalate esters have been evaluated in an 8-azaguanine resistance assay in Salmonella typhimurium. Three phthalate esters were found to be mutagenic: dimethyl phthalate, diethyl phthalate and di-n-butyl phthalate. A number of other phthalate esters were not found to be mutagenic, i...

journal_title：Environmental health perspectives

authors： Seed JL

更新日期：1982-11-01 00:00:00

abstract：:Human milk is a repository for certain classes of long-lived, fat-soluble environmental contaminant chemicals. Some members of this class, such as the chlorinated pesticides and the chlorinated biphenyls, can be expected to be present at chemical waste disposal sites. Analysis of samples of breast milk obtained from w...

journal_title：Environmental health perspectives

authors： Rogan W,Gladen B

更新日期：1983-02-01 00:00:00

abstract：:Among the issues dealing with identifying potential adverse immunologic effects (i.e., suppression, hypersensitivity, or autoimmunity) associated with xenobiotic exposure, general agreement exists among the regulatory and pharmaceutical communities that predictive tests for autoimmunity are in most need of development...

journal_title：Environmental health perspectives

authors： Luster MI,Simeonova PP,Gallucci R,Matheson J

更新日期：1999-10-01 00:00:00

abstract：:In many instances pharmacokinetic modeling offers the best method of interpreting the significance to man of results obtained with laboratory animals but first we must have accurate models for our laboratory animals. A physiological pharmacokinetic model has been used to simulate the disposition of polychlorinated bip...

journal_title：Environmental health perspectives

authors： Matthews HB,Tuey DB,Anderson MW

更新日期：1977-10-01 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：:In this study we investigated the risk of hearing loss among workers exposed to both toluene and noise. We recruited 58 workers at an adhesive materials manufacturing plant who were exposured to both toluene and noise [78.6-87.1 A-weighted decibels; dB(A)], 58 workers exposed to noise only [83.5-90.1 dB(A)], and 58 ad...

journal_title：Environmental health perspectives

authors： Chang SJ,Chen CJ,Lien CH,Sung FC

更新日期：2006-08-01 00:00:00

abstract：:Methyl eugenol is a naturally occurring material found in a variety of food sources, including spices, oils, and nutritionally important foods such as bananas and oranges. Given its natural occurrence, a broad cross-section of the population is likely exposed. The availability of biomonitoring and toxicology data offe...

journal_title：Environmental health perspectives

authors： Robison SH,Barr DB

更新日期：2006-11-01 00:00:00

abstract：:This article briefly summarizes the epidemiology of the health effects of fine particulate air pollution, provides an early, somewhat speculative, discussion of the contribution of epidemiology to evaluating biologic mechanisms, and evaluates who's at risk or is susceptible to adverse health effects. Based on prelimin...

journal_title：Environmental health perspectives

authors： Pope CA 3rd

更新日期：2000-08-01 00:00:00

abstract：:Human biomonitoring investigations have provided data on a wide array of chemicals in blood and urine and in other tissues and fluids such as hair and human milk. These data have prompted questions such as a) What is the relationship between levels of environmental chemicals in humans and external exposures? b) What i...

journal_title：Environmental health perspectives

authors： Bates MN,Hamilton JW,LaKind JS,Langenberg P,O'Malley M,Snodgrass W

更新日期：2005-11-01 00:00:00

abstract：:The accumulation of genetic damage in the forms of activated proto-oncogenes and inactivated tumor-suppressor genes is the driving force in the evolution of a normal cell to a malignant cell. For example, both the activation of ras oncogenes and the inactivation of several suppressor genes, including p53, have been ob...

journal_title：Environmental health perspectives

authors： Anderson MW,Reynolds SH,You M,Maronpot RM

更新日期：1992-11-01 00:00:00