Nitrate contamination of drinking water: relationship with HPRT variant frequency in lymphocyte DNA and urinary excretion of N-nitrosamines.

abstract：:Several organophosphate and organochlorine compounds, including pesticides commonly found in the Great Lakes basin, have the potential to induce immunotoxicity. Because of biomagnification and accumulation in the food chain, Great Lakes residents may inadvertently be exposed to these compounds and thus face increased ...

journal_title：Environmental health perspectives

authors： Thomas PT

更新日期：1995-12-01 00:00:00

abstract：:Environmental chemicals that function as estrogens have been suggested to be associated with an increase in disease and dysfunctions in animals and humans. To characterize chemicals that may act as estrogens in humans, we have compared three in vitro assays which measure aspects of human estrogen receptor (hER)-mediat...

journal_title：Environmental health perspectives

authors： Klotz DM,Beckman BS,Hill SM,McLachlan JA,Walters MR,Arnold SF

更新日期：1996-10-01 00:00:00

abstract：:Multiple chemical sensitivity (MCS) is a condition in which persons experience negative health effects in multiple organ systems from exposure to low levels of common chemicals. Although symptoms experienced from particular chemicals vary across persons, they are generally stable within persons. The sensitivities ofte...

journal_title：Environmental health perspectives

authors： Gibson PR,Elms AN,Ruding LA

更新日期：2003-09-01 00:00:00

abstract：:The lymphocyte micronucleus assay was used to measure the average frequency of micronuclei in a population and thus assess genotoxic effects. Data from 174 persons give an average value of 16.4 +/- 7.3, and a slight age-dependence was observed. To detect combined environmental mutagen injuries the micronucleus assay w...

journal_title：Environmental health perspectives

authors： Bérces J,Otos M,Szirmai S,Crane-Uruena C,Köteles GJ

更新日期：1993-10-01 00:00:00

abstract：BACKGROUND:Because of complex interactions of climate variables at the levels of the pathogen, vector, and host, the potential influence of climate change on vector-borne and zoonotic diseases (VBZDs) is poorly understood and difficult to predict. Climate effects on the nonvector-borne zoonotic diseases are especially ...

journal_title：Environmental health perspectives

authors： Mills JN,Gage KL,Khan AS

更新日期：2010-11-01 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：:Dietary components express a wide range of activities that can affect carcinogenesis. Naturally occurring substances in foods have been shown in laboratory experiments to serve as dietary antimutagens, either as bioantimutagens or as desmutagens. Dietary desmutagens may function as chemical inactivaters, enzymatic ind...

journal_title：Environmental health perspectives

authors： Kohlmeier L,Simonsen N,Mottus K

更新日期：1995-11-01 00:00:00

abstract：:Implementation of the Toxic Substances Control Act of 1977 creates the need to reliably establish testing priorities because laboratory resources are limited and the number of industrial chemicals requiring evaluation is overwhelming. The use of quantitative structure activity relationship (QSAR) models as rapid and p...

journal_title：Environmental health perspectives

authors： McKim JM,Bradbury SP,Niemi GJ

更新日期：1987-04-01 00:00:00

abstract：:Inoculation of tumorigenic prostatic stroma and nontumorigenic prostatic epithelia into the subcutaneous space of syngeneic rats induced the development of carcinosarcoma. The induced tumors, which were composed of a mixture of adenocarcinoma and fibrosarcoma, were androgen responsive. This model offers a novel mechan...

journal_title：Environmental health perspectives

authors： Chung LW,Chang SM,Bell C,Zhau H,Ro JY,von Eschenbach AC

更新日期：1988-04-01 00:00:00

abstract：:Exposure to low levels of chemicals indoors is often to a mixture of volatile organic compounds (VOCs). It is of interest to determine if the symptomatic and sensory responses can be attributed to a single chemical or to a mixture of chemicals. To determine if sensory or symptomatic responses differ with exposure to s...

journal_title：Environmental health perspectives

authors： Prah JD

更新日期：1998-11-01 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：: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：BACKGROUND:Arsenic is metabolized through a series of oxidative methylation reactions by arsenic (3) methyltransferase (As3MT) to yield methylated intermediates. Although arsenic exposure is known to increase the risk of atherosclerosis, the contribution of arsenic methylation and As3MT remains undefined. OBJECTIVES:O...

journal_title：Environmental health perspectives

authors： Negro Silva LF,Lemaire M,Lemarié CA,Plourde D,Bolt AM,Chiavatti C,Bohle DS,Slavkovich V,Graziano JH,Lehoux S,Mann KK

更新日期：2017-07-05 00:00:00

abstract：:Droplets of toluene and three chlorinated organics, ortho-dichlorobenzene, 1,2-dichloroethane, and trichloroethylene, were pyrolyzed in pure nitrogen. The composition and bacterial mutagenicity of the product tars were measured. The presence of organic chlorine was found to affect both pyrolysis product tar compositio...

journal_title：Environmental health perspectives

authors： Mulholland JA,Sarofim AF,Longwell JP,Lafleur AL,Thilly WG

更新日期：1994-01-01 00:00:00

abstract：BACKGROUND:Air pollutants may induce airway inflammation and sensitization due to generation of reactive oxygen species. The genetic background to these mechanisms could be important effect modifiers. OBJECTIVE:Our goal was to assess interactions between exposure to air pollution and single nucleotide polymorphisms (S...

journal_title：Environmental health perspectives

authors： Melén E,Nyberg F,Lindgren CM,Berglind N,Zucchelli M,Nordling E,Hallberg J,Svartengren M,Morgenstern R,Kere J,Bellander T,Wickman M,Pershagen G

更新日期：2008-08-01 00:00:00

abstract：BACKGROUND:Chronic exposure to arsenic (As), a human toxicant and carcinogen, remains a global public health problem. Health risks persist after As exposure has ended, suggesting epigenetic dysregulation as a mechanistic link between exposure and health outcomes. OBJECTIVES:We investigated the association between tota...

journal_title：Environmental health perspectives

authors： Bozack AK,Domingo-Relloso A,Haack K,Gamble MV,Tellez-Plaza M,Umans JG,Best LG,Yracheta J,Gribble MO,Cardenas A,Francesconi KA,Goessler W,Tang WY,Fallin MD,Cole SA,Navas-Acien A

更新日期：2020-06-01 00:00:00

abstract：:High-dose boric acid (BA) exposure produces testicular lesions in adult rats characterized by inhibited spermiation (IS) that may progress to atrophy. In vivo and in vitro studies addressed possible mechanisms. In vivo, boron tissue disposition was examined, since no detailed data existed, and relevant boron concentra...

journal_title：Environmental health perspectives

authors： Ku WW,Chapin RE

更新日期：1994-11-01 00:00:00

abstract：BACKGROUND:Perfluoroalkyl substances (PFASs) are synthetic compounds that are widely used in industry and are often detectable in humans. In pregnant rats and their pups, PFASs can interfere with thyroid hormone homeostasis. In humans, maternal thyroid hormones supply the fetus throughout pregnancy, and thyroid hormone...

journal_title：Environmental health perspectives

authors： Wang Y,Rogan WJ,Chen PC,Lien GW,Chen HY,Tseng YC,Longnecker MP,Wang SL

更新日期：2014-05-01 00:00:00

abstract：OBJECTIVE:We reviewed epidemiologic evidence related to occupational pesticide exposures and cancer incidence in the Agricultural Health Study (AHS) cohort. DATA SOURCES:Studies were identified from the AHS publication list available at http://aghealth.nci.nih.gov as well as through a Medline/PubMed database search in...

journal_title：Environmental health perspectives

authors： Weichenthal S,Moase C,Chan P

更新日期：2010-08-01 00:00:00

abstract：:Most of the composites and sealants used in dentistry are based on bisphenol A diglycidylether methacrylate (Bis-GMA). Reports revealed that in situ polymerization is not complete and that free monomers can be detected by different analytic methods. Concerns about the estrogenicity of bisphenol A (BPA) and other aroma...

journal_title：Environmental health perspectives

authors： Pulgar R,Olea-Serrano MF,Novillo-Fertrell A,Rivas A,Pazos P,Pedraza V,Navajas JM,Olea N

更新日期：2000-01-01 00:00:00

abstract：BACKGROUND:Phthalates are metabolized and eliminated in urine within hours after exposure. Several reports suggest that concentrations of phthalate metabolites in a spot urine sample can provide a reliable estimation of exposure to phthalates for up to several months. OBJECTIVES:We examined inter- and intraperson and ...

journal_title：Environmental health perspectives

authors： Preau JL Jr,Wong LY,Silva MJ,Needham LL,Calafat AM

更新日期：2010-12-01 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：:Aluminum lactate [Al(lact)3] (hydrophilic, hydrolytically unstable) and aluminum acetylacetonate [Al(acae)3] (lipophilic, hydrolytically stable) were tested as potential toxicants to rabbits upon IV administration both as aqueous solutions and as liposome suspensions. Both chemicals behaved as cardiotoxic agents when ...

journal_title：Environmental health perspectives

authors： Bombi GG,Corain B,Favarato M,Giordano R,Nicolini M,Perazzolo M,Tapparo A,Zatta P

更新日期：1990-11-01 00:00:00

abstract：:[This corrects the article DOI: 10.1289/EHP2580.]. ...

journal_title：Environmental health perspectives

authors： Sagiv SK,Harris MH,Gunier RB,Kogut KR,Harley KG,Deardorff J,Bradman A,Holland N,Eskenazi B

更新日期：2018-07-05 00:00:00

abstract：:A comparative analysis was performed of the phenotype and function of peripheral blood leukocytes of two age-matched cohorts of industrial workers in chemical plants, one of which was exposed occupationally to high concentrations of 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD). Median actual TCDD burdens were 116 ng/kg ...

journal_title：Environmental health perspectives

authors： Ernst M,Flesch-Janys D,Morgenstern I,Manz A

更新日期：1998-04-01 00:00:00

abstract：BACKGROUND:Pterygium is a fibrovascular growth of the bulbar conjunctiva and underlying subconjunctival tissue that may cause blindness. The mechanism of pterygium formation is not yet fully understood, but pterygium has some tumorlike features. OBJECTIVES:The objective of this study was to evaluate the association be...

journal_title：Environmental health perspectives

authors： Lin W,Wang SL,Wu HJ,Chang KH,Yeh P,Chen CJ,Guo HR

更新日期：2008-07-01 00:00:00

abstract：BACKGROUND:Perchlorate, thiocyanate, and nitrate are sodium/iodide symporter (NIS) inhibitors that block iodide uptake into the thyroid, thus affecting thyroid function. Thyroid dysfunction can adversely affect somatic growth and development in children. To our knowledge, no studies have examined effects of NIS inhibit...

journal_title：Environmental health perspectives

authors： Mervish NA,Pajak A,Teitelbaum SL,Pinney SM,Windham GC,Kushi LH,Biro FM,Valentin-Blasini L,Blount BC,Wolff MS,Breast Cancer and Environment Research Project (BCERP).

更新日期：2016-04-01 00:00:00

abstract：:This paper reports the results of a comprehensive survey of the effects of the accidental release of radiation caused by the accident at the Chernobyl nuclear power station in April 1986. The accident and the resulting release of radiation and radioactive products into the atmosphere produced the most serious environm...

journal_title：Environmental health perspectives

authors： Kulakov VI,Sokur TN,Volobuev AI,Tzibulskaya IS,Malisheva VA,Zikin BI,Ezova LC,Belyaeva LA,Bonartzev PD,Speranskaya NV

更新日期：1993-07-01 00:00:00

abstract：BACKGROUND:Modern toxicology is shifting from an observational to a mechanistic science. As part of this shift, high-throughput toxicity assays are being developed using alternative, nonmammalian species to prioritize chemicals and develop prediction models of human toxicity. METHODS:The nematode Caenorhabditis elegan...

journal_title：Environmental health perspectives

authors： Boyd WA,Smith MV,Co CA,Pirone JR,Rice JR,Shockley KR,Freedman JH

更新日期：2016-05-01 00:00:00

abstract：BACKGROUND:Chronic exposure to traffic-related air pollution (TRAP) may contribute to premature mortality, but few studies to date have addressed this topic. OBJECTIVES:In this study we assessed the association between TRAP and mortality in Toronto, Ontario, Canada. METHODS:We collected nitrogen dioxide samples over ...

journal_title：Environmental health perspectives

authors： Jerrett M,Finkelstein MM,Brook JR,Arain MA,Kanaroglou P,Stieb DM,Gilbert NL,Verma D,Finkelstein N,Chapman KR,Sears MR

更新日期：2009-05-01 00:00:00