Calcium in renal cells. Modulation of calcium-dependent activation of phospholipase A2.

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：BACKGROUND:Due to the large number of chemicals not yet tested for carcinogenicity but to which people are exposed, the limited number of human and animal cancer studies conducted each year, and the frequent need for a timely response, mechanistic data are playing an increasingly important role in carcinogen hazard ide...

journal_title：Environmental health perspectives

authors： Atwood ST,Lunn RM,Garner SC,Jahnke GD

更新日期：2019-12-01 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：BACKGROUND:Decision analysis-a systematic approach to solving complex problems-offers tools and frameworks to support decision making that are increasingly being applied to environmental challenges. Alternatives analysis is a method used in regulation and product design to identify, compare, and evaluate the safety and...

journal_title：Environmental health perspectives

authors： Malloy TF,Zaunbrecher VM,Batteate CM,Blake A,Carroll WF Jr,Corbett CJ,Hansen SF,Lempert RJ,Linkov I,McFadden R,Moran KD,Olivetti E,Ostrom NK,Romero M,Schoenung JM,Seager TP,Sinsheimer P,Thayer KA

更新日期：2017-06-13 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：BACKGROUND:High-level occupational exposures to some industrial chemicals have been associated with liver diseases, including nonalcoholic fatty liver disease (NAFLD). However, the potential role of low-level environmental pollution on liver disease in the general population has not been evaluated. OBJECTIVE:We determ...

journal_title：Environmental health perspectives

authors： Cave M,Appana S,Patel M,Falkner KC,McClain CJ,Brock G

更新日期：2010-12-01 00:00:00

abstract：:This paper summarizes two roundtable discussions held at the conclusion of the International Conference on Biopersistence of Respirable Synthetic Fibres and Minerals. The first round table addressed the role of biopersistence in the pathogenicity of fiber-induced disease. The panel included T. W. Hesterberg (Chairman)...

journal_title：Environmental health perspectives

authors： McClellan RO,Hesterberg TW

更新日期：1994-10-01 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：:Many assays for oncogenic transformation have been developed ranging from those in established rodent cell lines where morphological alteration is scored, to those in human cells growing in nude mice where tumor invasiveness is scored. In general, systems that are most quantitative are also the least relevant in terms...

journal_title：Environmental health perspectives

authors： Hall EJ,Hei TK

更新日期：1990-08-01 00:00:00

abstract：:In vivo bone lead measurement using K X-ray fluorescence (KXRF) has been used to estimate long-term lead exposure, especially in adults. Relatively few studies have been conducted on young subjects with this technique. To explore the measurement variability of KXRF bone lead measurements in young subjects, the tibiae ...

journal_title：Environmental health perspectives

authors： Hoppin JA,Aro A,Hu H,Ryan PB

更新日期：2000-03-01 00:00:00

abstract：BACKGROUND:Tetraethyl lead was phased out of gasoline in Uganda in 2005. Recent mitigation of an important source of lead exposure suggests examination and re-evaluation of the prevalence of childhood lead poisoning in this country. Ongoing concerns persist about exposure from the Kiteezi landfill in Kampala, the count...

journal_title：Environmental health perspectives

authors： Graber LK,Asher D,Anandaraja N,Bopp RF,Merrill K,Cullen MR,Luboga S,Trasande L

更新日期：2010-06-01 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：:Adults eating a Western diet digest and absorb ingested food containing approximately 100 g fat, 350 g carbohydrate, and 75 g protein daily. Normal fat absorption requires adequate gastric, pancreatic, liver-biliary, mucosal, and lymphatic function. Carbohydrate and protein absorption is much less dependent on liver-b...

journal_title：Environmental health perspectives

authors： Heizer WD

更新日期：1979-12-01 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：:Numerous publications and reports have expressed health and safety concerns about the production and use of nanoparticles, especially in areas of exposure monitoring, personal use, and environmental fate and transport. We suggest that stable isotopic tracers, which have been used widely in the earth sciences and in me...

journal_title：Environmental health perspectives

authors： Gulson B,Wong H

更新日期：2006-10-01 00:00:00

abstract：:The Florence Statement on Triclosan and Triclocarban documents a consensus of more than 200 scientists and medical professionals on the hazards of and lack of demonstrated benefit from common uses of triclosan and triclocarban. These chemicals may be used in thousands of personal care and consumer products as well as ...

journal_title：Environmental health perspectives

authors： Halden RU,Lindeman AE,Aiello AE,Andrews D,Arnold WA,Fair P,Fuoco RE,Geer LA,Johnson PI,Lohmann R,McNeill K,Sacks VP,Schettler T,Weber R,Zoeller RT,Blum A

更新日期：2017-06-20 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：:Although exposure to many industrially important monomers is controlled by law, few of these reactive chemicals have been determined in human tissues. Analogy with other fat-soluble organic substances strongly implies that these monomers may be retained in tissue, subject to the usual physiological constraints of meta...

journal_title：Environmental health perspectives

authors： Wolff MS

更新日期：1976-10-01 00:00:00

abstract：:Because of its unique geology, Minnesota can be divided into four agricultural regions: south-central region one (corn, soybeans); west-central region two (wheat, corn, soybeans); northwest region three (wheat, sugar beets, potatoes); and northeast region four (forested and urban in character). Cancer mortality (1980-...

journal_title：Environmental health perspectives

authors： Schreinemachers DM,Creason JP,Garry VF

更新日期：1999-03-01 00:00:00

abstract：:Studies performed earlier have shown a positive relation between blood lead (a parameter for lead body burden) and blood pressure, whereas such a relation between urine cadmium (a parameter for cadmium body burden) and blood pressure could not be shown. Median (i.e., 50th percentile, P50) blood levels in the general p...

journal_title：Environmental health perspectives

authors： de Kort WL,Zwennis WC

更新日期：1988-06-01 00:00:00

abstract：:Studies conducted by the National Toxicology Program on the chronic toxicity of benzene indicated that B6C3F1 mice were more sensitive to the carcinogenic effects of benzene than were F344 rats. A physiological model was developed to describe the uptake and metabolism of benzene in rats and mice. Our objective was to ...

journal_title：Environmental health perspectives

authors： Medinsky MA,Sabourin PJ,Henderson RF,Lucier G,Birnbaum LS

更新日期：1989-07-01 00:00:00

abstract：:The potential impact of an agent altering male reproductive function is greater for humans than for animals. Consequently, it is essential that sensitive criteria be used to look for effects on a multiplicity of target sites when an agent is evaluated using an animal model. No animal model has reproductive characteris...

journal_title：Environmental health perspectives

authors： Amann RP

更新日期：1986-12-01 00:00:00

abstract：:The phenylphosphonothioate insecticides EPN and leptophos, and several analogs, were evaluated with respect to their delayed neurotoxic effects in hens and their environmental behavior in a terrestrial-aquatic model ecosystem. Acute toxicity to insects was highly correlated with sigma sigma of the substituted phenyl g...

journal_title：Environmental health perspectives

authors： Francis BM,Hansen LG,Fukuto TR,Lu PY,Metcalf RL

更新日期：1980-06-01 00:00:00

abstract：:A previously healthy woman developed hypersensitivity pneumonitis of such severity that she required chronic systemic corticosteroid therapy for symptom control. Detailed investigation of her workplace and home environments revealed fungi in her typical suburban home, to which she had specific serum precipitating anti...

journal_title：Environmental health perspectives

authors： Apostolakos MJ,Rossmoore H,Beckett WS

更新日期：2001-09-01 00:00:00

abstract：:Cytotoxic chemicals have in common the ability to act specifically on cells in cycle. Bacteria are more sensitive in the exponential growth phase than when growing slowly in media. Similar observations have been made on a variety of systems ranging from bacteria, yeast, higher plants and invertebrates to vertebrates i...

journal_title：Environmental health perspectives

authors： Harbison RD

更新日期：1978-06-01 00:00:00

abstract：:A major goal of studying farmworkers is to better understand how their work environment, including exposure to pesticides, affects their health. Although a number of health conditions have been associated with pesticide exposure, clear linkages have yet to be made between exposure and health effects except in cases of...

journal_title：Environmental health perspectives

authors： McCauley LA,Anger WK,Keifer M,Langley R,Robson MG,Rohlman D

更新日期：2006-06-01 00:00:00

abstract：:Biological markers of intermediate health outcomes sometimes provide a superior alternative to traditional measures of pollutant-related disease. Some opportunities and methodologic issues associated with using markers are discussed in the context of exposures to four complex mixtures: environmental tobacco smoke and ...

journal_title：Environmental health perspectives

authors： Wilcosky TC

更新日期：1993-12-01 00:00:00

abstract：:Fluorescence in situ hybridization with chromosome-specific composite DNA probes (chromosome painting) is a reliable and efficient method for detecting structural chromosome aberrations. Painting is now being used to quantify chromosome damage in many human populations. In one such study we evaluated 91 unexposed peop...

journal_title：Environmental health perspectives

authors： Tucker JD,Moore DH 2nd

更新日期：1996-05-01 00:00:00

abstract：:Noise exposure causes changes at different levels in human organs, particularly the cardiovascular system, where it is responsible for increasing heart rate, peripheral vascular resistance, and blood pressure. In this study, we evaluated the effect of noise exposure on DNA integrity and ultrastructure of rat cardiomyo...

journal_title：Environmental health perspectives

authors： Lenzi P,Frenzilli G,Gesi M,Ferrucci M,Lazzeri G,Fornai F,Nigro M

更新日期：2003-04-01 00:00:00

abstract：:Previously we have demonstrated that several xenobiotics can induce multidrug (mdr) gene expression in cultures of primary isolated hepatocytes. One of the best of these xenobiotic inducers in rat hepatocytes is 2-acetylaminofluorene (2-AAF), which induces mdr expression by an enhancement of mdr gene transcription. In...

journal_title：Environmental health perspectives

authors： Gant TW,Schrenk D,Silverman JA,Thorgeirsson SS

更新日期：1994-10-01 00:00:00