Elemental modifications and polycyclic aromatic hydrocarbon metabolism in human fibroblasts.

abstract：:The available data on the influence of selenium on the toxicity of methylmercury and of methylmercury on selenium as a nutrient and toxic agent are reviewed. Selenium as selenite has a relative protective effect on acute and subacute toxicity of methylmercury in the rat and the quail. The protective mechanism is far f...

journal_title：Environmental health perspectives

authors： Skerfving S

更新日期：1978-08-01 00:00:00

abstract：:This paper will briefly outline those elements which must be considered in assessing the effects of any given compound which might impinge on the actions of adrenocortical steroids. Considerations that ought to be taken into account include the following: the delivery to the affected cells of corticosteroids, the upta...

journal_title：Environmental health perspectives

authors： Thompson EB

更新日期：1981-04-01 00:00:00

abstract：BACKGROUND:Previous studies have suggested an effect of high arsenic concentration on cognitive and neurobehavioral function in humans. OBJECTIVE:Our goal was to identify demographic and nutritional factors that are associated with As exposure and the influence of this exposure on cognitive function in school-age chil...

journal_title：Environmental health perspectives

authors： Rosado JL,Ronquillo D,Kordas K,Rojas O,Alatorre J,Lopez P,Garcia-Vargas G,Del Carmen Caamaño M,Cebrián ME,Stoltzfus RJ

更新日期：2007-09-01 00:00:00

abstract：BACKGROUND:Miners inhaling respirable coal dust (CD) frequently develop coal workers' pneumoconiosis, a dust-associated pneumoconiosis characterized by lung inflammation and variable fibrosis. Many coal miners are also exposed to polycyclic aromatic hydrocarbon (PAH) components of diesel engine exhaust and cigarette sm...

journal_title：Environmental health perspectives

authors： Ghanem MM,Battelli LA,Mercer RR,Scabilloni JF,Kashon ML,Ma JY,Nath J,Hubbs AF

更新日期：2006-09-01 00:00:00

abstract：:Fish and shellfish caught in polluted waters contain potentially dangerous amounts of toxic and carcinogenic chemicals. Public concern was heightened when a large percentage of winter flounder taken from Boston Harbor was found to have visible cancer of the liver; winter flounder outside the estuary area had no liver ...

journal_title：Environmental health perspectives

authors： Huff J,Bucher J,Yang R

更新日期：1991-01-01 00:00:00

abstract：:The capacity of in vitro bioassays to detect the potential carcinogenicity of metal compounds is reviewed. The in vitro bioassays discussed include: bacterial reversion analysis to determine the capacity of metal salts to revert Salmonella typhimurium histidine auxotrophs or to revert Escherichia coli WP 2 tryp- to tr...

journal_title：Environmental health perspectives

authors： Sirover MA

更新日期：1981-08-01 00:00:00

abstract：:An association between human illness and exposure to Pfiesteria was first observed among laboratory personnel working with the microorganism. In 1997, in the setting of Pfiesteria activity on the Pocomoke River in Maryland, difficulties with learning and memory were epidemiologically associated with high-level exposur...

journal_title：Environmental health perspectives

authors： Morris JG Jr

更新日期：2001-10-01 00:00:00

abstract：BACKGROUND:Ambient air ozone (O3) is a pulmonary irritant that has been associated with respiratory health effects including increased lung inflammation and permeability, airway hyperreactivity, respiratory symptoms, and decreased lung function. Estimation of O3 exposure is a complex task because the pollutant exhibits...

journal_title：Environmental health perspectives

authors： Adam-Poupart A,Brand A,Fournier M,Jerrett M,Smargiassi A

更新日期：2014-09-01 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 knowledge of specific problems of occupational cancer in Spain is scarce. The environment of the workplace has improved over the last few years after a long period distinguished by bad working conditions, incomplete legislation, and insufficient safety measures and control. It has been estimated that 3,083,479 wor...

journal_title：Environmental health perspectives

authors： González CA,Agudo A

更新日期：1999-05-01 00:00:00

abstract：:Traditional models of toxicity have relied on dissecting chemical action into pharmacokinetic and pharmacodynamic processes. However, the integration of genomic information with toxicology will enhance our basic understanding of these processes and significantly change the way we apply toxicological information to ris...

journal_title：Environmental health perspectives

authors： Thomas RS,Rank DR,Penn SG,Zastrow GM,Hayes KR,Hu T,Pande K,Lewis M,Jovanovich SB,Bradfield CA

更新日期：2002-12-01 00:00:00

abstract：BACKGROUND:National disparities in asbestos use will likely lead to an unequal burden of asbestos diseases. OBJECTIVES:As economic status may be linked to asbestos use, we assessed, globally, the relationship between indicators of national economic development and asbestos use. METHODS:For the 135 countries that have...

journal_title：Environmental health perspectives

authors： Le GV,Takahashi K,Karjalainen A,Delgermaa V,Hoshuyama T,Miyamura Y,Furuya S,Higashi T,Pan G,Wagner G

更新日期：2010-01-01 00:00:00

abstract：:Interleukin-3 (IL-3) and granulocyte/macrophage-colony-stimulating factor (GM-CSF) are responsible for maintaining survival and stimulating growth of early dormant hematopoietic progenitor cells (HPC). These cytokines exhibit extensive overlap, with GM-CSF supporting growth and differentiation of myeloid HPC. A charac...

journal_title：Environmental health perspectives

authors： Irons RD,Stillman WS

更新日期：1996-12-01 00:00:00

abstract：:Chronic exposure to oxidants is associated with an increased incidence of malignancy; however, the mechanism(s) by which oxidants contribute to carcinogenesis is unknown. Since oncogene activation plays an important role in carcinogenesis, we hypothesized that hydroxyl radical-induced DNA damage might contribute to ca...

journal_title：Environmental health perspectives

authors： Jackson JH

更新日期：1994-12-01 00:00:00

abstract：:Humans are exposed to a large number of environmental genotoxic agents. These can increase the probability that somatic mutation will occur. The use of genotoxicity testing is essential for assessment of potential human toxicity so that hazards can be prevented. Cytogenetic monitoring of human populations exposed to c...

journal_title：Environmental health perspectives

authors： Anwar WA

更新日期：1994-10-01 00:00:00

abstract：:Chlordane is a polychlorinated hydrocarbon that causes liver enlargement and induces mixed-function oxidases similar to those induced by phenobarbitone in the mouse. We have assessed the hepatocarcinogenicity (after 2 years) and the time course (over 6 months) of liver and thyroid cell proliferation in C57Bl/10J mice ...

journal_title：Environmental health perspectives

authors： Barrass N,Stewart M,Warburton S,Aitchison J,Jackson D,Wadsworth P,Marsden A,Orton T

更新日期：1993-12-01 00:00:00

abstract：:Multiple factors, known and unknown, contribute to human breast cancer. Hereditary, hormonal, and reproductive factors are associated with risk of breast cancer. Environmental agents, including chemical carcinogens, are modifiable risk factors to which over 70% of breast cancers have been attributed. Polymorphisms of ...

journal_title：Environmental health perspectives

authors： DeBruin LS,Josephy PD

更新日期：2002-02-01 00:00:00

abstract：BACKGROUND:Diethylstilbestrol (DES) is a synthetic estrogen associated with adverse effects on reproductive organs. DES-induced toxicity of the mouse seminal vesicle (SV) is mediated by estrogen receptor α (ERα), which alters expression of seminal vesicle secretory protein IV (Svs4) and lactoferrin (Ltf) genes. OBJECT...

journal_title：Environmental health perspectives

authors： Li Y,Hamilton KJ,Lai AY,Burns KA,Li L,Wade PA,Korach KS

更新日期：2014-03-01 00:00:00

abstract：:Intercellular and extracellular metal concentrations were measured using carbon fiber ultramicrosensors plated with mercury or with polymeric porphyrinic p-type semiconductors. Concentrations of unbound nickel and lead ions were studied within individual BC3H-1 myocytes, and H4-11-C3 rat hepatoma cells. Unbound ions a...

journal_title：Environmental health perspectives

authors： Malinski T,Grunfeld S,Taha Z,Tomboulian P

更新日期：1994-09-01 00:00:00

abstract：:Toxicity testing in AS52 cells (24-hr exposures) gave LC50 values of 2 to 130 micrograms Ni/ml for particulate nickel compounds and 45 to 60 micrograms Ni/ml for water-soluble salts (NiCl2, NiSO4, Ni(CH3COO)2). The Ni(OH)2, NiCO3, and sulfides (Ni3S2, Ni7S6, "amorphous NiS") exhibited similar toxicities (LC50's of 2 t...

journal_title：Environmental health perspectives

authors： Fletcher GG,Rossetto FE,Turnbull JD,Nieboer E

更新日期：1994-09-01 00:00:00

abstract：BACKGROUND:Arsenic (As) occurs as monomethylarsonic acid (MMA) and dimethylarsinic acid (DMA) in humans, and the methylation pattern demonstrates large interindividual differences. The fraction of urinary MMA is a marker for susceptibility to As-related diseases. OBJECTIVES:We evaluated the impact of polymorphisms in ...

journal_title：Environmental health perspectives

authors： Engström K,Vahter M,Mlakar SJ,Concha G,Nermell B,Raqib R,Cardozo A,Broberg K

更新日期：2011-02-01 00:00:00

abstract：BACKGROUND:Exposure to inorganic arsenic is associated with numerous adverse health outcomes, with susceptibility differing by sex. Although evidence from in vitro studies suggests that arsenic alters post-translational histone modifications (PTHMs), evidence in humans is limited. OBJECTIVES:The objectives were to det...

journal_title：Environmental health perspectives

authors： Howe CG,Liu X,Hall MN,Slavkovich V,Ilievski V,Parvez F,Siddique AB,Shahriar H,Uddin MN,Islam T,Graziano JH,Costa M,Gamble MV

更新日期：2016-08-01 00:00:00

abstract：BACKGROUND:Anogenital distance (AGD) in animals is a sensitive biomarker of fetal endocrine disruption and the associated testicular dysgenesis syndrome (TDS). However, AGD in human infants with cryptorchidism and hypospadias, which are potential manifestations of TDS during childhood, is not clearly described. OBJECT...

journal_title：Environmental health perspectives

authors： Thankamony A,Lek N,Carroll D,Williams M,Dunger DB,Acerini CL,Ong KK,Hughes IA

更新日期：2014-02-01 00:00:00

abstract：:Chromate is an established human carcinogen. There have been many studies of the reactivity of chromate aimed at improving understanding of chromate toxicity. In the present paper a number of conclusions of these studies are reviewed and considered in the light of new results obtained in our laboratories. A number of ...

journal_title：Environmental health perspectives

authors： O'Brien P,Kortenkamp A

更新日期：1994-09-01 00:00:00

abstract：BACKGROUND:Understanding the potential links between extreme weather events and human health in India is important in the context of vulnerability and adaptation to climate change. Research exploring such linkages in India is sparse. OBJECTIVES:We evaluated the association between extreme precipitation and gastrointes...

journal_title：Environmental health perspectives

authors： Bush KF,O'Neill MS,Li S,Mukherjee B,Hu H,Ghosh S,Balakrishnan K

更新日期：2014-03-01 00:00:00

abstract：BACKGROUND:Recent policies attempting to reduce adverse effects of methylmercury exposure from fish consumption in the United States have targeted reductions in anthropogenic emissions from U.S. sources. OBJECTIVES:To analyze the prospects for future North American and international emissions controls, we assessed the...

journal_title：Environmental health perspectives

authors： Selin NE,Sunderland EM,Knightes CD,Mason RP

更新日期：2010-01-01 00:00:00

abstract：:A microscopic, ultrastructural, and morphometric study was made of the gills of tench (Tinca tinca, L.) subjected to acute experimental lead nitrate poisoning. Twenty-one adult tench were subjected to poisoning and a further 22 were used as controls. Lesions were characterized by the appearance of edema and epithelial...

journal_title：Environmental health perspectives

authors： Roncero V,Vincente JA,Redondo E,Gãzquez A,Duran E

更新日期：1990-11-01 00:00:00

abstract：:Isolated rat and human hepatocytes in primary culture were shown to metabolize AAF to reactive intermediates which damaged hepatocyte DNA. A significant increase in unscheduled DNA synthesis was detectable by autoradiography in rat and human hepatocytes exposed to concentrations of AAF as low as 1 microM. When rat hep...

journal_title：Environmental health perspectives

authors： Strom SC,Jirtle RL,Michalopoulos G

更新日期：1983-03-01 00:00:00

abstract：:This report is based on 30 deaths from chronic beryllium disease (CBD) in the United Kingdom with details of 19 autopsies. The majority were fluorescent lamp workers and machinists who died from respiratory failure. There were no cases of lung cancer. The survival times ranged from less than 1 to 29 years and was long...

journal_title：Environmental health perspectives

authors： Williams WJ

更新日期：1996-10-01 00:00:00

abstract：OBJECTIVE:We previously demonstrated that among 54 infants in neonatal intensive care units, exposure to polyvinyl chloride plastic medical devices containing the plasticizer di(2-ethylhexyl) phthalate (DEHP) is associated with urinary concentrations of mono(2-ethylhexyl) phthalate (MEHP) , a DEHP metabolite. In this f...

journal_title：Environmental health perspectives

authors： Weuve J,Sánchez BN,Calafat AM,Schettler T,Green RA,Hu H,Hauser R

更新日期：2006-09-01 00:00:00