Mechanisms of action of okadaic acid class tumor promoters on mouse skin.

abstract：:Spatial epidemiology is the description and analysis of geographic variations in disease with respect to demographic, environmental, behavioral, socioeconomic, genetic, and infectious risk factors. We focus on small-area analyses, encompassing disease mapping, geographic correlation studies, disease clusters, and clus...

journal_title：Environmental health perspectives

authors： Elliott P,Wartenberg D

更新日期：2004-06-01 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：:The spatial and temporal regulation of intracellular free Ca2+ serves as a modulator of signal transduction pathways involved in cell growth and differentiation. Thus, interference of metals with intracellular Ca2+ homeostasis has been considered as a target of toxic action. We used the fluorescence indicator fura-2 t...

journal_title：Environmental health perspectives

authors： Hechtenberg S,Beyersmann D

更新日期：1994-09-01 00:00:00

abstract：BACKGROUND:Cirrhosis of the liver is thought to be a major cause of morbidity and mortality in sub-Saharan Africa, but few controlled studies on the etiology of cirrhosis have been conducted in this region. OBJECTIVES:We aimed to elucidate the association between environmental and infectious exposures and cirrhosis in...

journal_title：Environmental health perspectives

authors： Kuniholm MH,Lesi OA,Mendy M,Akano AO,Sam O,Hall AJ,Whittle H,Bah E,Goedert JJ,Hainaut P,Kirk GD

更新日期：2008-11-01 00:00:00

abstract：OBJECTIVE:Daily adult human exposure to bisphenol A (BPA) has been estimated at <1 µg/kg, with virtually complete first-pass conjugation in the liver in primates but not in mice. We measured unconjugated and conjugated BPA levels in serum from adult female rhesus monkeys and adult female mice after oral administration ...

journal_title：Environmental health perspectives

authors： Taylor JA,Vom Saal FS,Welshons WV,Drury B,Rottinghaus G,Hunt PA,Toutain PL,Laffont CM,VandeVoort CA

更新日期：2011-04-01 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：:Male rats were treated with various model compounds or the appropriate vehicle controls. Most substances were either well-known hepatotoxicants or showed hepatotoxicity during preclinical testing. The aim of the present study was to determine if biological samples from rats treated with various compounds can be classi...

journal_title：Environmental health perspectives

authors： Steiner G,Suter L,Boess F,Gasser R,de Vera MC,Albertini S,Ruepp S

更新日期：2004-08-01 00:00:00

abstract：BACKGROUND:Epidemiologic studies have demonstrated that occupational noise exposure is associated with hypertension, but the related mechanism in vascular structural changes is unclear. OBJECTIVE:This panel study aimed to investigate effects of occupational noise exposure on ambulatory vascular structural properties i...

journal_title：Environmental health perspectives

authors： Chang TY,Su TC,Lin SY,Jain RM,Chan CC

更新日期：2007-11-01 00:00:00

abstract：:The effects of DEHP on sperm morphology and on peripheral blood micronuclei were studied for 12 weeks following five subacute IP injections of DEHP at 1/6, 1/12, and 1/60 of the LD50 per day. Sperm morphology was examined in both adult mice and rats, while peripheral blood micronuclei were scored in mice up to 4 weeks...

journal_title：Environmental health perspectives

authors： Douglas GR,Hugenholtz AP,Blakey DH

更新日期：1986-03-01 00:00:00

abstract：BACKGROUND:We have previously shown that adult male mice exposure to low doses of an ubiquitous endocrine disruptor, di(2-ethylhexyl) phthalate (DEHP), alters courtship behavior. OBJECTIVE:The effects of adult exposure to low doses of DEHP alone or in an environmental phthalate mixture on estrous cyclicity, reproducti...

journal_title：Environmental health perspectives

authors： Adam N,Brusamonti L,Mhaouty-Kodja S

更新日期：2021-01-01 00:00:00

abstract：:We assessed exposure to dioxin-like compounds using chemical and bioassay analysis in different matrices in a female population. A total of 106 serum and 9 follicular fluid samples were collected from infertile women attending Centers for Reproductive Medicine in Belgium from 1996 to 1998. Major polychlorinated biphen...

journal_title：Environmental health perspectives

authors： Pauwels A,Cenijn PH,Schepens PJ,Brouwer A

更新日期：2000-06-01 00:00:00

abstract：BACKGROUND:Cumulative lead exposure is associated with a widened pulse pressure (PP; the -difference between systolic and diastolic blood pressure), a marker of arterial stiffness and a predictor of cardiovascular disease. Polymorphisms in the hemochromatosis gene (HFE) have been shown to modify the impact of cumulativ...

journal_title：Environmental health perspectives

authors： Zhang A,Park SK,Wright RO,Weisskopf MG,Mukherjee B,Nie H,Sparrow D,Hu H

更新日期：2010-09-01 00:00:00

abstract：BACKGROUND:Dissecting complex disease has become more feasible because of the availability of large-scale DNA resources and advances in high-throughput genomic technology. Although these tools help scientists identify potential susceptibility loci, subjects with relevant genotypes are needed for clinical phenotyping an...

journal_title：Environmental health perspectives

authors： Chulada PC,Vainorius E,Garantziotis S,Burch LH,Blackshear PJ,Zeldin DC

更新日期：2011-11-01 00:00:00

abstract：:There is a significant public health concern about the potential effects of occupational exposure to toxic substances on reproductive outcomes. Several toxicants with reported reproductive and developmental effects are still in regular commercial or therapeutic use and thus present potential exposure to workers. Examp...

journal_title：Environmental health perspectives

authors： Lawson CC,Schnorr TM,Daston GP,Grajewski B,Marcus M,McDiarmid M,Murono E,Perreault SD,Schrader SM,Shelby M

更新日期：2003-04-01 00:00:00

abstract：:It is generally agreed that estrogens, and possibly androgens, are important in the etiology of breast cancer, but no consensus exists as to the precise estrogenic or androgenic environment that characterizes risk, or the exogenous factors that influence the hormonal milieu. Nearly all the epidemiological studies cond...

journal_title：Environmental health perspectives

authors： Toniolo PG

更新日期：1997-04-01 00:00:00

abstract：:Environmental estrogens are of particular concern when exposure occurs during embryonic development. Although there are good models to study estrogenic activity of chemicals in adult animals, developmental exposure is much more difficult to test. The weak estrogenic activity of the environmental estrogen bisphenol A (...

journal_title：Environmental health perspectives

authors： Lemmen JG,Arends RJ,van der Saag PT,van der Burg B

更新日期：2004-11-01 00:00:00

abstract：:Human exposure to carcinogenic Cr(VI) compounds is found among workers in a large number of professional groups, and it can also occur through environmental pollution. A significant number of toxic waste sites contain Cr as a major contaminant. In this paper we summarize our efforts to apply measurements of DNA-protei...

journal_title：Environmental health perspectives

authors： Zhitkovich A,Voitkun V,Kluz T,Costa M

更新日期：1998-08-01 00:00:00

abstract：:In the aquatic environment, diet is an important route of exposure for the common contaminant and procarcinogen benzo(a)pyrene (BaP). Dietary organisms vary in their BaP content and in contaminated areas often contain other xenobiotics including cytochrome P4501A inducers. This study examined the effect of dose and pr...

journal_title：Environmental health perspectives

authors： Kleinow KM,James MO,Tong Z,Venugopalan CS

更新日期：1998-03-01 00:00:00

abstract：:Groundwater contamination is a serious problem that is growing in the United States, but its true extent is not known and it is difficult to determine because of the complexities of contaminants, their transformation, and fate in groundwater systems. It is also difficult to predict their movement in groundwater. Since...

journal_title：Environmental health perspectives

authors： Patrick R

更新日期：1990-06-01 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：: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：:A major challenge in the emerging field of toxicogenomics is to define the relationships between chemically induced changes in gene expression and alterations in conventional toxicologic parameters such as clinical chemistry and histopathology. We have explored these relationships in detail using the rodent uterotroph...

journal_title：Environmental health perspectives

authors： Moggs JG,Tinwell H,Spurway T,Chang HS,Pate I,Lim FL,Moore DJ,Soames A,Stuckey R,Currie R,Zhu T,Kimber I,Ashby J,Orphanides G

更新日期：2004-11-01 00:00:00

abstract：:The metabolism of polybrominated biphenyls (PBBs) was studied in vitro by using rat liver microsomes in the presence of NADPH and atmospheric O2. Quantitative recoveries of all PBBs were obtained after incubations with control or 3-methylcholanthrene (MC) induced microsomes. Of the twelve major components, losses of o...

journal_title：Environmental health perspectives

authors： Dannan GA,Moore RW,Aust SD

更新日期：1978-04-01 00:00:00

abstract：:The ability of a series of haloalkanes, haloethanols and haloacetaldehydes to induce mutations in Salmonella typhrimurium and preferentially to inhibit the growth of DNA polymerase-deficient E. coli (pol A(+)/pol A(-)) was investigated. For the haloalkanes investigated, the order of reactivities towards the E. coli po...

journal_title：Environmental health perspectives

authors： Rosenkranz HS

更新日期：1977-12-01 00:00:00

abstract：:Building-related illness ranges from mild rhinitis to potentially life-threatening hypersensitivity pneumonitis and legionellosis. Sick-building syndrome, consisting of headache, mucous membrane irritation, and fatigue, may be present in 30% of all office workers. Hypersensitivity pneumonitis, asthma, and legionellosi...

journal_title：Environmental health perspectives

authors： Welch LS

更新日期：1991-11-01 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：:The central feature of hemopoiesis is life-long, stable cell renewal. This process is supported by hemopoietic stem cells which, in the steady state, appear to be dormant in cell cycling. The entry into cell cycle of the dormant stem cells may be promoted by such factors as interleukin-1, interleukin-6 (IL-6), and gra...

journal_title：Environmental health perspectives

authors： Ogawa M

更新日期：1989-03-01 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：:This paper summarizes the themes and recommendations that emerge from the papers presented by the Working Group on Tropospheric Ozone. In terms of current knowledge, the following are considered of particular importance: a) lack of clear evidence for a human analogue of the terminal bronchiolar and proximal acinar cha...

journal_title：Environmental health perspectives

authors： Tager IB

更新日期：1993-12-01 00:00:00

abstract：:This article provides an overview of the problem of genetic susceptibility to childhood cancer with a particular emphasis on problems with ascertaining inherited cancer risk and the role of tumor-suppressor gene mutations in cancer predispositions. The association between neurofibromatosis type 1 and childhood leukemi...

journal_title：Environmental health perspectives

authors： Shannon K

更新日期：1998-06-01 00:00:00