Molecular basis of the inhibition of human aromatase (estrogen synthetase) by flavone and isoflavone phytoestrogens: A site-directed mutagenesis study.

abstract：:The genetic toxicology databases for chemicals that have been tested extensively are generally composed of inconsistent responses from a diverse set of assays. Consequently, difficulties arise when the data are evaluated for classifying the agent or for assessing the chemical's hazard potential. Several years ago, the...

journal_title：Environmental health perspectives

authors： Brusick D

更新日期：1991-12-01 00:00:00

abstract：BACKGROUND:Cadmium is a commonly occurring toxic food contaminant, but health consequences of early-life exposure are poorly understood. OBJECTIVES:We evaluated the associations between cadmium exposure and neurobehavioral development in preschool children. METHODS:In our population-based mother-child cohort study in...

journal_title：Environmental health perspectives

authors： Kippler M,Tofail F,Hamadani JD,Gardner RM,Grantham-McGregor SM,Bottai M,Vahter M

更新日期：2012-10-01 00:00:00

abstract：:One of the most serious consequences of cancer therapy is the development of a second cancer, especially leukemia. Several distinct subsets of therapy-related leukemia can now be distinguished. Classic therapy-related myeloid leukemia typically occurs 5 to 7 years after exposure to alkylating agents and/or irradiation...

journal_title：Environmental health perspectives

authors： Larson RA,LeBeau MM,Vardiman JW,Rowley JD

更新日期：1996-12-01 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：:Previously, we found that exposure of neonatal rats to chlorpyrifos (CPF) produced brain cell damage and loss, with resultant abnormalities of synaptic development. We used the same biomarkers to examine prenatal CPF treatment so as to define the critical period of vulnerability. One group of pregnant rats received CP...

journal_title：Environmental health perspectives

authors： Qiao D,Seidler FJ,Padilla S,Slotkin TA

更新日期：2002-11-01 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：:Lead encephalopathy was induced in developing Long-Evans rats by adding lead carbonate (4% w/w) to the diet of nursing mother immediately after delivery. The morphological and biochemical features of cerebral ontogenesis were studied in 30-day-old rats. By the 30th postnatal day, the overall effect of lead intoxicatio...

journal_title：Environmental health perspectives

authors： Krigman MR,Hogan EL

更新日期：1974-05-01 00:00:00

abstract：BACKGROUND:Exposure to metals has been implicated in the pathogenesis of Parkinson disease (PD). OBJECTIVES:We sought to examine in a large prospective study of female nurses whether exposure to airborne metals was associated with risk of PD. METHODS:We linked the U.S. Environmental Protection Agency (EPA)'s Air Toxi...

journal_title：Environmental health perspectives

authors： Palacios N,Fitzgerald K,Roberts AL,Hart JE,Weisskopf MG,Schwarzschild MA,Ascherio A,Laden F

更新日期：2014-09-01 00:00:00

abstract：:The potential danger of natural mercury accumulation in the diet of the Eskimo is evaluated through mercury levels determined in cord blood, placenta, maternal blood, hair, and milk of 38 maternal-infant pairs from Anchorage and the Yukon-Kuskokwim Delta. Although mercury levels are not discernably dangerous, trends t...

journal_title：Environmental health perspectives

authors： Galster WA

更新日期：1976-06-01 00:00:00

abstract：BACKGROUND:The 1974 Safe Drinking Water Act (SDWA) regulates >170,000 public water systems to protect health, but not >13 million private wells. State and local government requirements for private well water testing are rare and inconsistent; the responsibility to ensure water safety remains with individual households....

journal_title：Environmental health perspectives

authors： Zheng Y,Flanagan SV

更新日期：2017-08-03 00:00:00

abstract：:Polychlorinated biphenyls (PCBs) are persistent pollutants that are ubiquitous in the food chain, and detectable amounts are in the blood of almost every person in most populations that have been examined. Extensive evidence from animal studies shows that PCBs are neurotoxins, even at low doses. Interpretation of huma...

journal_title：Environmental health perspectives

authors： Longnecker MP,Wolff MS,Gladen BC,Brock JW,Grandjean P,Jacobson JL,Korrick SA,Rogan WJ,Weisglas-Kuperus N,Hertz-Picciotto I,Ayotte P,Stewart P,Winneke G,Charles MJ,Jacobson SW,Dewailly E,Boersma ER,Altshul LM,Heinzow B

更新日期：2003-01-01 00:00:00

abstract：:We used real-time monitors and low-volume air samplers to measure the potential human exposure to airborne polycyclic aromatic hydrocarbon (PAH) concentrations during various flight-related and ground-support activities of C-130H aircraft at an Air National Guard base. We used three types of photoelectric aerosol sens...

journal_title：Environmental health perspectives

authors： Childers JW,Witherspoon CL,Smith LB,Pleil JD

更新日期：2000-09-01 00:00:00

abstract：:The presence of mycotoxins in grains is well documented. Workers in grain handling occupations are commonly exposed to grain dust aerosols. Work in our laboratory has shown that T-2 toxin is highly toxic to rat alveolar macrophages in vitro, causing loss of viability, release of radiolabeled chromium, inhibition of ma...

journal_title：Environmental health perspectives

authors： Sorenson WG,Gerberick GF,Lewis DM,Castranova V

更新日期：1986-04-01 00:00:00

abstract：BACKGROUND:Tremor is one of the most common neurological signs, yet its etiology is poorly understood. Case-control studies suggest an association between blood lead and essential tremor, and that this association is modified by polymorphisms in the δ-aminolevulinic acid dehydrogenase (ALAD) gene. OBJECTIVE:We aimed t...

journal_title：Environmental health perspectives

authors： Ji JS,Power MC,Sparrow D,Spiro A 3rd,Hu H,Louis ED,Weisskopf MG

更新日期：2015-05-01 00:00:00

abstract：:It was considered that the fall in lung function seen after exposure to cotton dust may be attributable in part to the activity of arachidonic acid metabolites, such as leucotrienes as well as to the more established release of histamine by cotton dust. However, we found that cotton and barley dusts elicited poor rele...

journal_title：Environmental health perspectives

authors： Thomson TA,Edwards JH,Al-Zubaidy TS,Brown RC,Poole A,Nicholls PJ

更新日期：1986-04-01 00:00:00

abstract：:This study investigated the association between biomarkers of fetal exposure to cigarette smoke at the end of pregnancy, cotinine in cord serum and in maternal and newborn urine samples, and quantitative measurement of smoking intake and exposure evaluated by maternal self-reported questionnaire. Study subjects were 4...

journal_title：Environmental health perspectives

authors： Pichini S,Basagaña XB,Pacifici R,Garcia O,Puig C,Vall O,Harris J,Zuccaro P,Segura J,Sunyer J

更新日期：2000-11-01 00:00:00

abstract：:In numerous in vivo systems it has been shown that diets high in menhaden oil (a fish oil high in omega-3 fatty acids) can inhibit the carcinogenic process. In the present study, we have assessed the effects of a diet containing menhaden oil on 2-amino-3-methylimidazo[4,5-f]quinoline (IQ)-DNA adduct formation in targe...

journal_title：Environmental health perspectives

authors： Schut HA

更新日期：1994-10-01 00:00:00

abstract：:The type II cell plays an important role in the response of the alveolar epithelium after lung injury through its synthesis and secretion of pulmonary surfactant, and by acting as the stem cell for the replacement of damaged type I epithelial cells. The nonciliated bronchiolar epithelial (Clara) cell is thought to pla...

journal_title：Environmental health perspectives

authors： Finkelstein JN,Johnston C,Barrett T,Oberdörster G

更新日期：1997-09-01 00:00:00

abstract：:Many populations of amphibians are declining on all six continents on which they occur. Some causes of amphibian declines, such as habitat destruction, direct application of xenobiotics, and introduction of predators or competitors, are clearly attributable to human activities. Infectious disease appears to be the dir...

journal_title：Environmental health perspectives

authors： Carey C

更新日期：2000-03-01 00:00:00

abstract：:The hypothesis has been put forward that humans and wildlife species adverse suffered adverse health effects after exposure to endocrine-disrupting chemicals. Reported adverse effects include declines in populations, increases in cancers, and reduced reproductive function. The U.S. Environmental Protection Agency spon...

journal_title：Environmental health perspectives

authors： Kavlock RJ,Daston GP,DeRosa C,Fenner-Crisp P,Gray LE,Kaattari S,Lucier G,Luster M,Mac MJ,Maczka C,Miller R,Moore J,Rolland R,Scott G,Sheehan DM,Sinks T,Tilson HA

更新日期：1996-08-01 00:00:00

abstract：BACKGROUND:In a 1994 Ninth Circuit decision on the remand of Daubert v. Merrell Dow Pharmaceuticals, Inc., Judge Alex Kosinski wrote that science done for the purpose of litigation should be subject to more stringent standards of admissibility than other science. OBJECTIVES:We analyze this proposition by considering l...

journal_title：Environmental health perspectives

authors： Boden LI,Ozonoff D

更新日期：2008-01-01 00:00:00

abstract：BACKGROUND:The association of DDT (dichlorodiphenyltrichloroethane) with breast cancer is controversial, but animal studies directly linking DDT to risk are lacking. Concerns with DDT reside in its environmental persistence, bioaccumulation in breast adipose tissue, and endocrine-disrupting actions. Whereas most attent...

journal_title：Environmental health perspectives

authors： Johnson NA,Ho A,Cline JM,Hughes CL,Foster WG,Davis VL

更新日期：2012-08-01 00:00:00

abstract：:Pregnant rats were exposed by inhalation to vapor concentrations of 100, 200, 400 or 800 ppm of ethylene glycol monopropyl ether acetate on days 6 through 15 of gestation. Concentrations of 400 and 800 ppm reduced the feed intake, mean body weight and red blood cell counts. Mean corpuscular volume and mean corpuscular...

journal_title：Environmental health perspectives

authors： Krasavage WJ,Katz GV

更新日期：1984-08-01 00:00:00

abstract：BACKGROUND:The emerging consensus that exposure to near-roadway traffic-related pollution causes asthma has implications for compact urban development policies designed to reduce driving and greenhouse gases. OBJECTIVES:We estimated the current burden of childhood asthma-related disease attributable to near-roadway an...

journal_title：Environmental health perspectives

authors： Perez L,Lurmann F,Wilson J,Pastor M,Brandt SJ,Künzli N,McConnell R

更新日期：2012-11-01 00:00:00

abstract：:The relationship between blood pressure and blood lead was examined in two population samples. One of these consisted of 1137 men aged 49 to 65 years, the other of 865 men and 856 women aged 18 to 64 years. Neither population had any known important exposure to lead, and the 95% ranges of blood lead levels were 6 to 2...

journal_title：Environmental health perspectives

authors： Elwood PC,Davey-Smith G,Oldham PD,Toothill C

更新日期：1988-06-01 00:00:00

abstract：:Occupational and environmental asbestos exposure continues to represent a public health problem, despite increasingly restrictive laws adopted by most industrialized countries. Peritoneal mesothelioma is a rare and aggressive asbestos-related malignancy. We present the case of a 65-year-old man who developed recurrent...

journal_title：Environmental health perspectives

authors： Fonte R,Gambettino S,Melazzini M,Scelsi M,Zanon C,Candura SM

更新日期：2004-04-01 00:00:00

abstract：:The role of the physical environment as a determinant of health is a major concern reported by the general public as well as by many policymakers. However, it remains one of the health determinants for which few available measures or indicators are readily available. This lack of data is compounded by the fact that ev...

journal_title：Environmental health perspectives

authors： Elliott SJ,Eyles J,DeLuca P

更新日期：2001-12-01 00:00:00

abstract：:Metabolic enzymes involved in benzene activation or detoxification, including NAD(P)H, quinone oxidoreductase 1 (NQO1), cytochrome P450 2E1 (CYP2E1), myeloperoxidase (MPO), glutathione-S-transferase mu-1 (GSTM1), and glutathione-S-transferase theta-1 (GSTT1), were studied for their roles in human susceptibility to ben...

journal_title：Environmental health perspectives

authors： Wan J,Shi J,Hui L,Wu D,Jin X,Zhao N,Huang W,Xia Z,Hu G

更新日期：2002-12-01 00:00:00

abstract：BACKGROUND:Although adverse effects of high temperature on mortality have been studied extensively in urban areas, little is known of the heat-mortality associations outside of cities. OBJECTIVE:We investigated whether heat-mortality associations differed between urban and nonurban areas and how urbanicity affected th...

journal_title：Environmental health perspectives

authors： Chen K,Zhou L,Chen X,Ma Z,Liu Y,Huang L,Bi J,Kinney PL

更新日期：2016-12-01 00:00:00

abstract：BACKGROUND:In the developing brain, serotonin (5HT) systems are among the most sensitive to disruption by organophosphates. OBJECTIVES:We exposed neonatal rats to daily doses of diazinon or parathion on postnatal days (PND)1-4 and evaluated 5HT receptors and the 5HT transporter in brainstem and forebrain on PND5, focu...

journal_title：Environmental health perspectives

authors： Slotkin TA,Tate CA,Ryde IT,Levin ED,Seidler FJ

更新日期：2006-10-01 00:00:00