Molecular analysis of bivalve tumors: models for environmental/genetic interactions.

abstract：:The normal mucociliary epithelium of the respiratory tract in chronic cigarette smokers often is replaced focally by a metaplastic squamous epithelium. Because asbestos workers who smoke have a substantially greater risk of bronchogenic carcinoma than nonsmokers, we hypothesized that interaction of asbestos with squam...

journal_title：Environmental health perspectives

authors： Woodworth CD,Mossman BT,Craighead JE

更新日期：1983-09-01 00:00:00

abstract：:A wide variety of behavioral methods has been employed with animals to assess visual changes induced by drugs or toxicants. The methods range from simple to complex, from broad screening devices to narrowly focused techniques. Their relative advantages for the environmental toxicologist are discussed. Manipulation of ...

journal_title：Environmental health perspectives

authors： Evans HL

更新日期：1978-10-01 00:00:00

abstract：:We assessed chlorinated hydrocarbon contamination of mink and river otters on the Columbia and Fraser River systems of northwestern North America, in relation to morphological measures of condition. We obtained carcasses of mink and river otters from commercial trappers during the winters 1994-1995 and 1995-1996. Necr...

journal_title：Environmental health perspectives

authors： Harding LE,Harris ML,Stephen CR,Elliott JE

更新日期：1999-02-01 00:00:00

abstract：:A major concern of the chlorination of aquatic humic materials is the ubiquitous production of trihalomethanes. A large number of other chlorinated organic compounds, however, have been shown to be formed by chlorine's reaction with humic substances. In this study, humic material was concentrated from a coastal North ...

journal_title：Environmental health perspectives

authors： Johnson JD,Christman RF,Norwood DL,Millington DS

更新日期：1982-12-01 00:00:00

abstract：:The destruction of the World Trade Center (WTC) on 11 September 2001 in New York City resulted in the massive release of pulverized dust and combustion products. The dust and smoke settled in the surrounding area, which encompassed a large residential community. We hypothesized that previously normal residents in the ...

journal_title：Environmental health perspectives

authors： Reibman J,Lin S,Hwang SA,Gulati M,Bowers JA,Rogers L,Berger KI,Hoerning A,Gomez M,Fitzgerald EF

更新日期：2005-04-01 00:00:00

abstract：BACKGROUND:Mortality displacement (or "harvesting") has been identified as a key issue in the assessment of the temperature-mortality relationship. However, only a few studies have addressed the "harvesting" issue and findings have not been consistent. OBJECTIVES:We examined the potential impact of both short- and lon...

journal_title：Environmental health perspectives

authors： Qiao Z,Guo Y,Yu W,Tong S

更新日期：2015-08-01 00:00:00

abstract：:Southwest metropolitan Mexico City (SWMMC) inhabitants have been exposed several hours per day for the last 6 years to photochemical smog, ozone being the most important oxidant pollutant. Subjects exposed to the SWMMC atmosphere develop several histopathological changes in their nasal mucosa: dysplasia is the most si...

journal_title：Environmental health perspectives

authors： Calderon-Garcidueñas L,Roy-Ocotla G

更新日期：1993-06-01 00:00:00

abstract：:Although allergic diseases such as asthma and hay fever are a major cause of morbidity in industrialized countries, most studies have focused on patterns of prevalence among children and adolescents, with relatively few studies on variations in prevalence by race/ethnicity and socioeconomic position among adults. Our ...

journal_title：Environmental health perspectives

authors： Chen JT,Krieger N,Van Den Eeden SK,Quesenberry CP

更新日期：2002-04-01 00:00:00

abstract：BACKGROUND:Few human studies have examined bisphenol A (BPA) exposure in relation to semen quality and reproductive hormones in men, and results are divergent. OBJECTIVES:We examined associations between urinary BPA concentration and reproductive hormones, as well as semen quality, in young men from the general popula...

journal_title：Environmental health perspectives

authors： Lassen TH,Frederiksen H,Jensen TK,Petersen JH,Joensen UN,Main KM,Skakkebaek NE,Juul A,Jørgensen N,Andersson AM

更新日期：2014-05-01 00:00:00

abstract：:During the last three decades, the use of modern organic synthetic pesticides has increased about 40-fold. Total U.S. production, for domestic and expert use, in 1976 was about 1.4 million pounds. Crops receiving the most intensive application of various pesticides were cotton for insecticides, corn for herbicides, an...

journal_title：Environmental health perspectives

authors： Ridgway RL,Tinney JC,MacGregor JT,Starler NJ

更新日期：1978-12-01 00:00:00

abstract：:The chlorinated hydrocarbons chloroform (CHCl3), 1,1-dichlorethane (1,1-DCE) and 1,2-dichloroethane (1,2-DCE) have been detected in finished drinking water. When administered to B6C3F1 mice by gavage in corn oil, these compounds have been shown to induce hepatic tumors. The present study examines the effect on liver t...

journal_title：Environmental health perspectives

authors： Klaunig JE,Ruch RJ,Pereira MA

更新日期：1986-11-01 00:00:00

abstract：:Collaborative studies were performed to develop a functional assay for fish-killing activity produced by Pfiesteria piscicida. Eight cell lines were used to screen organic fractions and residual water fraction by using a 3-[4, 5-dimethylthiazol-(2-4)]-diphenyltetrazolium bromide cytotoxicity assay. Diethyl ether and a...

journal_title：Environmental health perspectives

authors： Fairey ER,Edmunds JS,Deamer-Melia NJ,Glasgow H Jr,Johnson FM,Moeller PR,Burkholder JM,Ramsdell JS

更新日期：1999-09-01 00:00:00

abstract：:Factors affecting the design of an epidemiologic study assessing possible health effects from chemical waste disposal sites are reviewed. Such epidemiologic studies will most likely be prompted either by a known release of chemicals into the environment around the site, or by an unusual disease cluster in a population...

journal_title：Environmental health perspectives

authors： Buffler PA,Crane M,Key MM

更新日期：1985-10-01 00:00:00

abstract：:In this study, we aimed to estimate the contribution of environmental pollutants to the incidence, prevalence, mortality, and costs of pediatric disease in American children. We examined four categories of illness: lead poisoning, asthma, cancer, and neurobehavioral disorders. To estimate the proportion of each attrib...

journal_title：Environmental health perspectives

authors： Landrigan PJ,Schechter CB,Lipton JM,Fahs MC,Schwartz J

更新日期：2002-07-01 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:Endocrine disrupting chemicals (EDCs) are xenobiotics that mimic the interaction of natural hormones and alter synthesis, transport, or metabolic pathways. The prospect of EDCs causing adverse health effects in humans and wildlife has led to the development of scientific and regulatory approaches for evaluat...

journal_title：Environmental health perspectives

authors： Mansouri K,Kleinstreuer N,Abdelaziz AM,Alberga D,Alves VM,Andersson PL,Andrade CH,Bai F,Balabin I,Ballabio D,Benfenati E,Bhhatarai B,Boyer S,Chen J,Consonni V,Farag S,Fourches D,García-Sosa AT,Gramatica P,Grisoni F

更新日期：2020-02-01 00:00:00

abstract：:The importance of urban dust as a source of lead for young children is still disputed. Although blood-lead data from various population surveys usually show a peak concentration in early childhood, there is evidence that such a peak is small or absent altogether in children without much access to the general environme...

journal_title：Environmental health perspectives

authors： Duggan MJ

更新日期：1983-04-01 00:00:00

abstract：:32P-Postlabeling analysis and enzyme-linked immunosorbent assay (ELISA) have been used to detect DNA adducts in peripheral blood lymphocytes from primary aluminum production plant workers who were exposed occupationally to a mixture of polycyclic aromatic hydrocarbons (PAHs). Preliminary results reported here are from...

journal_title：Environmental health perspectives

authors： Schoket B,Phillips DH,Poirier MC,Vincze I

更新日期：1993-03-01 00:00:00

abstract：BACKGROUND:Although previous studies have reported negative associations between exposure to air pollution and cognition, studies of the effects of prenatal and postnatal exposures in early childhood have been limited. OBJECTIVES:We sought to assess the role exposure to fine particulate matter ([Formula: see text]) du...

journal_title：Environmental health perspectives

authors： Rivas I,Basagaña X,Cirach M,López-Vicente M,Suades-González E,Garcia-Esteban R,Álvarez-Pedrerol M,Dadvand P,Sunyer J

更新日期：2019-05-01 00:00:00

abstract：:The last decade has marked a radical change in the business of sustainability, say environmental activists and industrialists alike. On the wane are "greenwashing" campaigns in which corporations promote dubious environmental accomplishments to draw attention away from environmentally damaging practices. On the rise a...

journal_title：Environmental health perspectives

authors： Fields S

更新日期：2002-03-01 00:00:00

abstract：:The populations of the developed nations of the world exhibit an increase in blood pressure with age, while in primitive societies blood pressure remains relatively constant throughout adult life. Hypertension may be a complex of diseases all having the same clinical manifestations but not being caused necessarily by ...

journal_title：Environmental health perspectives

authors： Tuthill RW,Calabrese EJ

更新日期：1979-04-01 00:00:00

abstract：:Carcinogenic nickel compounds are usually found to be weak mutagens; therefore these compounds may not exert their carcinogenic activity through conventional genotoxic mechanisms. On the other hand, the activities of many nickel compounds have not been adequately investigated. We evaluated the genotoxic activities of ...

journal_title：Environmental health perspectives

authors： Au WW,Heo MY,Chiewchanwit T

更新日期：1994-11-01 00:00:00

abstract：:Exposure of rats to quartz (or various other particles) can lead to the development of lung tumors. At the moment, the mechanisms involved in particle-induced tumor formation are not clarified. However, it is suggested that inflammation, in conjunction with the production of reactive oxygen species (ROS) and an enhanc...

journal_title：Environmental health perspectives

authors： Nehls P,Seiler F,Rehn B,Greferath R,Bruch J

更新日期：1997-09-01 00:00:00

abstract：:A set of 53 individuals from a population highly exposed to airborne hexachlorobenzene (HCB) were selected to study the elimination kinetics of this chemical in humans. The volunteers provided blood, 24-hr urine, and feces samples for analysis of HCB and metabolites. The serum HCB concentrations ranged from 2.4 to 1,4...

journal_title：Environmental health perspectives

authors： To-Figueras J,Barrot C,Sala M,Otero R,Silva M,Ozalla MD,Herrero C,Corbella J,Grimalt J,Sunyer J

更新日期：2000-07-01 00:00:00

abstract：:The presence of low concentrations of perchlorate in some drinking water sources has led to concern regarding potential effects on the thyroid. In a recently published report, the National Academy of Sciences indicated that the perchlorate dose required to cause hypothyroidism in adults would probably be > 0.40 mg/kg-...

journal_title：Environmental health perspectives

authors： Crump KS,Gibbs JP

更新日期：2005-08-01 00:00:00

abstract：BACKGROUND:A critical question regarding the association between short-term exposure to ozone and mortality is the extent to which this relationship is confounded by ambient exposure to particles. OBJECTIVES:We investigated whether particulate matter < 10 and < 2.5 microm in aerodynamic diameter (PM(10) and PM(2.5)) i...

journal_title：Environmental health perspectives

authors： Bell ML,Kim JY,Dominici F

更新日期：2007-11-01 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：BACKGROUND:Organophosphates elicit developmental neurotoxicity through multiple mechanisms other than their shared property as cholinesterase inhibitors. Accordingly, these agents may differ in their effects on specific brain circuits. OBJECTIVES:We gave parathion to neonatal rats [postnatal days (PNDs) 1-4], at daily...

journal_title：Environmental health perspectives

authors： Slotkin TA,Bodwell BE,Ryde IT,Levin ED,Seidler FJ

更新日期：2008-10-01 00:00:00

abstract：:Some of the statistical properties of a simple two-stage model of carcinogenesis are explored. The implications of additive treatment effects versus independent treatment effects on the shape of the dose-response curve are considered. Response that is low-dose linear results in the cases where the mutation rates are a...

journal_title：Environmental health perspectives

authors： Portier CJ

更新日期：1987-12-01 00:00:00

abstract：BACKGROUND:Rodent models for urban air pollution show consistent induction of inflammatory responses in major brain regions. However, the initial impact of air pollution particulate material on olfactory gateways has not been reported. OBJECTIVE:We evaluated the olfactory neuroepithelium (OE) and brain regional respon...

journal_title：Environmental health perspectives

authors： Cheng H,Saffari A,Sioutas C,Forman HJ,Morgan TE,Finch CE

更新日期：2016-10-01 00:00:00