Considerations in assigning dose based on uncertainties from in vivo counting.

abstract：:We have previously reported that rats are resilient to the hepatotoxic and lethal combination of chlordecone (CD) and carbon tetrachloride (CCl4) during early postnatal development. The overall findings pointed to stimulated cell division and tissue repair mechanisms as the underlying cause of resistance. The objectiv...

journal_title：Environmental health perspectives

authors： Dalu A,Rao PS,Mehendale HM

更新日期：1998-09-01 00:00:00

abstract：:Benzene has been known to be a bone marrow poison for almost a century. However, it was not until the last decade that benzene's carcinogenic potential was demonstrated by epidemiologic studies. The proposed regulation by the Occupational Safety and Health Administration (OSHA) to lower exposure levels of benzene in t...

journal_title：Environmental health perspectives

authors： Infante PF,White MC

更新日期：1983-10-01 00:00:00

abstract：BACKGROUND:Bacterial meningitis causes a high burden of disease in the African meningitis belt, with regular seasonal hyperendemicity and sporadic short, but intense, localized epidemics during the late dry season occurring at a small spatial scale [i.e., below the district level, in individual health centers (HCs)]. I...

journal_title：Environmental health perspectives

authors： Woringer M,Martiny N,Porgho S,Bicaba BW,Bar-Hen A,Mueller JE

更新日期：2018-09-01 00:00:00

abstract：:This report updates the risk assessment by Crump and Allen for benzene-induced leukemia that was based on a cohort exposed to benzene in the manufacture of Pliofilm. The present study derives new risk estimates using data from follow-up through 1987 (whereas the earlier assessment only had follow-up available through ...

journal_title：Environmental health perspectives

authors： Crump KS

更新日期：1996-12-01 00:00:00

abstract：:During a 2-year chronic inhalation study on methylene chloride (2000 or 0 ppm; 6 hr/day, 5 days/week), gas-uptake pharmacokinetic studies and tissue partition coefficient determinations were conducted on female B6C3F1, mice after 1 day, 1 month, 1 year, and 2 years of exposure. Using physiologically based pharmacokine...

journal_title：Environmental health perspectives

authors： Thomas RS,Yang RS,Morgan DG,Moorman MP,Kermani HR,Sloane RA,O'Connor RW,Adkins B Jr,Gargas ML,Andersen ME

更新日期：1996-08-01 00:00:00

abstract：:Lead is a male reproductive toxicant. Data suggest that rats dosed with relatively high levels of lead acetate for short periods of time induced changes in the hypothalamic gonadotropin-releasing hormone (GnRH) at the molecular level, but these changes were attenuated with increased concentration of exposure. The curr...

journal_title：Environmental health perspectives

authors： Sokol RZ,Wang S,Wan YJ,Stanczyk FZ,Gentzschein E,Chapin RE

更新日期：2002-09-01 00:00:00

abstract：:This study constitutes one part of a program for assessing the impact of coal-fired power plants on the surrounding communities. A questionnaire was mailed to a total of 12,000 subjects living in six areas with coal-fired plants and in matched reference areas. The participation rate was 77.3%. In one coal-fired plant/...

journal_title：Environmental health perspectives

authors： Pershagen G,Hammar N,Vartiainen E

更新日期：1986-12-01 00:00:00

abstract：:Impairment of any of the major components of the immune system (T-cells, B-cells phagocytes, complement) may result in clinical immunodeficiency. Immune defects can arise from intrinsic or heritable defects of lymphoid elements, failure of normal cellular differentiation, viral infection or other acquired causes. Clin...

journal_title：Environmental health perspectives

authors： Heise ER

更新日期：1982-02-01 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：BACKGROUND:The pesticide atrazine does not bind to or activate the classical estrogen receptor (ER), but it up-regulates the aromatase activity in estrogen-sensitive tumor cells. The G protein estrogen receptor (GPR30/GPER) has been reported to be involved in certain biological responses to endogenous estrogens and env...

journal_title：Environmental health perspectives

authors： Albanito L,Lappano R,Madeo A,Chimento A,Prossnitz ER,Cappello AR,Dolce V,Abonante S,Pezzi V,Maggiolini M

更新日期：2015-05-01 00:00:00

abstract：:We examined 100 symptomatic Gulf War veterans (patients) and 100 controls for immunologic assays. The veterans and controls were compared for the percentage of T cells (CD3); B cells (CD19); helper:suppressor (CD4:CD8) ratio; natural killer (NK) cell activity; mitogenic response to phytohemagglutin (PHA) and pokeweed ...

journal_title：Environmental health perspectives

authors： Vojdani A,Thrasher JD

更新日期：2004-06-01 00:00:00

abstract：:Pollen of Impatiens sultanii Hook F. germinates and forms tubes rapidly at 25 degrees C in a simple medium containing 111.0 ppm CaCl2, 13.6 ppm KH2PO4, and 1000 ppm boric acid. Calcium, potassium, and boron are essential for germination and tube growth, but sucrose is not required. Pollen tubes grow with equal rapidit...

journal_title：Environmental health perspectives

authors： Bilderback DE

更新日期：1981-01-01 00:00:00

abstract：:Several examples of categorized data from epidemiological studies are analyzed to illustrate that more informative analysis than tests of independence can be performed by fitting models. All of the analyses fit into a unified conceptual framework that can be performed by weighted least squares. The methods presented s...

journal_title：Environmental health perspectives

authors： Grizzle JE,Koch GG

更新日期：1979-10-01 00:00:00

abstract：:Low-dose extrapolation model selection for evaluating the health effects of environmental pollutants is a key component of the risk assessment process. At a workshop held in Baltimore, Maryland, on 23-24 April 2007, sponsored by U.S. Environmental Protection Agency and Johns Hopkins Risk Sciences and Public Policy Ins...

journal_title：Environmental health perspectives

authors： White RH,Cote I,Zeise L,Fox M,Dominici F,Burke TA,White PD,Hattis DB,Samet JM

更新日期：2009-02-01 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：BACKGROUND:In animals, some phthalates impair male reproductive development and function. Epidemiological studies have reported inconsistent evidence of associations between phthalates and markers of human testicular function. OBJECTIVES:We aimed to provide estimates of the effects of phthalate exposure on reproductiv...

journal_title：Environmental health perspectives

authors： Joensen UN,Frederiksen H,Blomberg Jensen M,Lauritsen MP,Olesen IA,Lassen TH,Andersson AM,Jørgensen N

更新日期：2012-10-01 00:00:00

abstract：:We analyzed data from 798 lead workers to determine whether polymorphisms in the genes encoding delta-aminolevulinic acid dehydratase (ALAD), endothelial nitric oxide synthase (eNOS), and the vitamin D receptor (VDR) were associated with or modified relations of lead exposure and dose measures with renal outcomes. Lea...

journal_title：Environmental health perspectives

authors： Weaver VM,Schwartz BS,Ahn KD,Stewart WF,Kelsey KT,Todd AC,Wen J,Simon DJ,Lustberg ME,Parsons PJ,Silbergeld EK,Lee BK

更新日期：2003-10-01 00:00:00

abstract：:Prostaglandin-H synthase is unique among enzymes of the plant and animal kingdom in its ability to biosynthesize and metabolize hydroperoxides. Its cyclooxygenase activity oxygenates polyunsaturated fatty acids to hydroperoxy endoperoxides, and its peroxidase activity reduces the hydroperoxy group to hydroxy groups. H...

journal_title：Environmental health perspectives

authors： Marnett LJ

更新日期：1990-08-01 00:00:00

abstract：BACKGROUND:Endocrine disrupting chemicals (EDCs) are xenobiotics that mimic the interaction of natural hormones and alter synthesis, transport, or metabolic pathways. The prospect of EDCs causing adverse health effects in humans and wildlife has led to the development of scientific and regulatory approaches for evaluat...

journal_title：Environmental health perspectives

authors： Mansouri K,Kleinstreuer N,Abdelaziz AM,Alberga D,Alves VM,Andersson PL,Andrade CH,Bai F,Balabin I,Ballabio D,Benfenati E,Bhhatarai B,Boyer S,Chen J,Consonni V,Farag S,Fourches D,García-Sosa AT,Gramatica P,Grisoni F

更新日期：2020-02-01 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：BACKGROUND:Thallium (Tl) is a highly toxic heavy metal widely present in the environment. Case reports have suggested that maternal exposure to high levels of Tl during pregnancy is associated with low birth weight (LBW), but epidemiological data are limited. OBJECTIVES:This study was designed to evaluate whether pren...

journal_title：Environmental health perspectives

authors： Xia W,Du X,Zheng T,Zhang B,Li Y,Bassig BA,Zhou A,Wang Y,Xiong C,Li Z,Yao Y,Hu J,Zhou Y,Liu J,Xue W,Ma Y,Pan X,Peng Y,Xu S

更新日期：2016-01-01 00:00:00

abstract：:The biopersistence of fibers and minerals in the respiratory tract is an important parameter in the toxicity of those materials. The biopersistence of respirable synthetic fibers and minerals in man can be most closely evaluated in an animal model. While acellular and in vitro systems are important for initial evaluat...

journal_title：Environmental health perspectives

authors： Bernstein DM,Mast R,Anderson R,Hesterberg TW,Musselman R,Kamstrup O,Hadley J

更新日期：1994-10-01 00:00:00

abstract：BACKGROUND:Organophosphorus pesticides (OPs) are developmental neurotoxicants but also produce lasting effects on metabolism. OBJECTIVES/METHODS:We administered diazinon (DZN) or parathion (PRT) to rats on postnatal days 14 at doses straddling the threshold for systemic signs of exposure and assessed the effects on he...

journal_title：Environmental health perspectives

authors： Adigun AA,Wrench N,Seidler FJ,Slotkin TA

更新日期：2010-02-01 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 paper summarizes the clinical phenomenology of multiple chemical sensitivity (MCS), outlines the concepts and evidence for the olfactory-limbic, neural sensitization model for MCS, and discusses experimental design implications of the model for exposure-related research. Neural sensitization is the progressive am...

journal_title：Environmental health perspectives

authors： Bell IR,Schwartz GE,Baldwin CM,Hardin EE,Klimas NG,Kline JP,Patarca R,Song ZY

更新日期：1997-03-01 00:00:00

abstract：BACKGROUND:Population-based studies have estimated health risks of short-term exposure to fine particles using mass of PM(2.5) (particulate matter

journal_title：Environmental health perspectives

authors： Peng RD,Bell ML,Geyh AS,McDermott A,Zeger SL,Samet JM,Dominici F

更新日期：2009-06-01 00:00:00

abstract：:The types of reactive intermediates generated upon reduction of chromium(VI) by glutathione or hydrogen peroxide and the resulting DNA damage have been determined. In vitro, reaction of chromium(VI) with glutathione led to formation of two chromium(V) complexes and the glutathione thiyl radical. When chromium(VI) was ...

journal_title：Environmental health perspectives

authors： Aiyar J,Berkovits HJ,Floyd RA,Wetterhahn KE

更新日期：1991-05-01 00:00:00

abstract：:In this paper we give some examples of using databases of genotoxicity and carcinogenicity for quantitative and qualitative correlation studies between short-term tests and carcinogenicity. The quality of the databases is obviously important, but one of the major deficiencies of present databases is that they are too ...

journal_title：Environmental health perspectives

authors： Parodi S,Malacarne D,Taningher M

更新日期：1991-12-01 00:00:00

abstract：BACKGROUND:C60 fullerenes and single-walled carbon nanotubes (SWCNT) are projected to be used in medicine and consumer products with potential human exposure. The hazardous effects of these particles are expected to involve oxidative stress with generation of oxidatively damaged DNA that might be the initiating event i...

journal_title：Environmental health perspectives

authors： Folkmann JK,Risom L,Jacobsen NR,Wallin H,Loft S,Møller P

更新日期：2009-05-01 00:00:00

abstract：BACKGROUND:Psychological sequelae are among the most pronounced effects in populations following exposure to oil spills. Women in particular represent a vulnerable yet influential population but have remained relatively understudied with respect to the Deepwater Horizon oil spill (DHOS). OBJECTIVE:To describe the rela...

journal_title：Environmental health perspectives

authors： Rung AL,Gaston S,Oral E,Robinson WT,Fontham E,Harrington DJ,Trapido E,Peters ES

更新日期：2016-09-01 00:00:00