Concepts, labeling procedures, and design of cell proliferation studies relating to carcinogenesis.

abstract：BACKGROUND:The World Health Organization (WHO) released the fourth edition of Guidelines for Drinking-Water Quality in July 2011. In this edition, the 400-µg/L drinking-water guideline for manganese (Mn) was discontinued with the assertion that because "this health-based value is well above concentrations of manganese ...

journal_title：Environmental health perspectives

authors： Frisbie SH,Mitchell EJ,Dustin H,Maynard DM,Sarkar B

更新日期：2012-06-01 00:00:00

abstract：:Mortality curves for groups of fasted male rats treated with single, oral doses of 1,1-dichloroethylene (1,1-DCE, vinylidene chloride) were not monotonically increasing sigmoids, but were complex with maxima or extended plateaus in the region of dose between 100 and 700 mg of 1,1-DCE/kg. The exact shape was a function...

journal_title：Environmental health perspectives

authors： Andersen ME,Jenkins LJ Jr

更新日期：1977-12-01 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：:Whole blood oxygen equilibrium curves (O2 ECs), blood buffer lines, and several hematologic properties were determined for adult guinea pigs exposed to 700 ppm methyl isocyanate (MIC) for 15 min. MIC inhalation effected a significant reduction of blood O2 affinity; the half-saturation pressure (P50) at 38 degrees C in...

journal_title：Environmental health perspectives

authors： Maginniss LA,Szewczak JM,Troup CM

更新日期：1987-06-01 00:00:00

abstract：:Fumonisin B1(FB1) is a fungal metabolite of Fusarium verticillioides (= F. moniliforme), a fungus that grows on many crops worldwide. Previous studies demonstrated that male BD IX rats consuming diets containing 50 ppm fumonisin B1 developed hepatocellular carcinomas. In our recent studies, diets containing FB1 at 50 ...

journal_title：Environmental health perspectives

authors： Howard PC,Warbritton A,Voss KA,Lorentzen RJ,Thurman JD,Kovach RM,Bucci TJ

更新日期：2001-05-01 00:00:00

abstract：:Striking similarities have been observed in a number of extrapulmonary responses of rodents to seemingly disparate ambient pollutants. These responses are often characterized by primary decreases in important indices of cardiac and thermoregulatory function, along with secondary decreases in associated parameters. For...

journal_title：Environmental health perspectives

authors： Watkinson WP,Campen MJ,Nolan JP,Costa DL

更新日期：2001-08-01 00:00:00

abstract：:Medically unexplained physical symptoms (MUPS) are persistent idiopathic symptoms that drive patients to seek medical care. MUPS syndromes include chronic fatigue syndrome, fibromyalgia syndrome, and multiple chemical sensitivities. When MUPS occur after an environmental exposure or injury, an adversarial social conte...

journal_title：Environmental health perspectives

authors： Engel CC Jr,Adkins JA,Cowan DN

更新日期：2002-08-01 00:00:00

abstract：:Elucidation of the role of vinyl chloride metabolites in the various reaction sequences which comprise the metabolic pathway, including the interaction of reactive metabolities with some purine and pyrimidine residues of target-organ DNA, provides some explanation for the (oncogenic) properties associated with the ori...

journal_title：Environmental health perspectives

authors： Hathway DE

更新日期：1977-12-01 00:00:00

abstract：:The combination of cigarette smoke and high-level occupational asbestos exposure produces a synergistic increase in the incidence of lung cancer; however, smoking does not affect the incidence of mesothelioma. Here we present the results of tests of two theories that have been proposed to explain this phenomenon; name...

journal_title：Environmental health perspectives

authors： Sekhon HS,Keeling B,Churg A

更新日期：1993-09-01 00:00:00

abstract：:Epidemiologic studies report associations between particulate air pollution and cardiopulmonary morbidity and mortality. Although the underlying pathophysiologic mechanisms remain unclear, it has been hypothesized that altered autonomic function and pulmonary/systemic inflammation may play a role. In this study we exp...

journal_title：Environmental health perspectives

authors： Pope CA 3rd,Hansen ML,Long RW,Nielsen KR,Eatough NL,Wilson WE,Eatough DJ

更新日期：2004-03-01 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：BACKGROUND:Childhood lead exposure has been associated with growth delay. However, the association between blood lead levels (BLLs) and insulin-like growth factor 1 (IGF-1) has not been characterized in a large cohort with low-level lead exposure. METHODS:We recruited 394 boys 8-9 years of age from an industrial Russi...

journal_title：Environmental health perspectives

authors： Fleisch AF,Burns JS,Williams PL,Lee MM,Sergeyev O,Korrick SA,Hauser R

更新日期：2013-07-01 00:00:00

abstract：:We conducted a 1-year epidemiologic study in Boston, Massachusetts, beginning May 1997, to examine the associations between environmental factors and office workers' health. We recruited 98 subjects (81 females and 17 males) in 21 offices in four office buildings. We conducted environmental sampling every 6 weeks and ...

journal_title：Environmental health perspectives

authors： Chao HJ,Schwartz J,Milton DK,Burge HA

更新日期：2003-07-01 00:00:00

abstract：:We developed a sensitive and accurate analytical method for quantifying methyleugenol (ME) in human serum. Our method uses a simple solid-phase extraction followed by a highly specific analysis using isotope dilution gas chromatography-high resolution mass spectrometry. Our method is very accurate; its limit of detect...

journal_title：Environmental health perspectives

authors： Barr DB,Barr JR,Bailey SL,Lapeza CR Jr,Beeson MD,Caudill SP,Maggio VL,Schecter A,Masten SA,Lucier GW,Needham LL,Sampson EJ

更新日期：2000-04-01 00:00:00

abstract：:Reaction of chromium(VI) with one equivalent of ascorbate was studied by electron paramagnetic resonance spectroscopy in the presence of 0.10 M 5,5-dimethyl-1-pyrroline-1-oxide (DMPO) at room temperature in 0.10 M (N-[2-hydroxyethyl]piperazine-N'-[2-ethanesulfonic acid]) (HEPES) and 0.05 M tris(hydroxymethyl)aminometh...

journal_title：Environmental health perspectives

authors： Stearns DM,Courtney KD,Giangrande PH,Phieffer LS,Wetterhahn KE

更新日期：1994-09-01 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：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：BACKGROUND:Human controlled-exposure studies have assessed the impact of ambient fine particulate matter on cardiac autonomic function measured by heart rate variability (HRV), but whether these effects are modified by concomitant ozone exposure remains unknown. OBJECTIVE:In this study we assessed the impact of O(3) a...

journal_title：Environmental health perspectives

authors： Fakhri AA,Ilic LM,Wellenius GA,Urch B,Silverman F,Gold DR,Mittleman MA

更新日期：2009-08-01 00:00:00

abstract：:The types of biological response to an environmental agent can depend on dose, thus in this case a family of widely different dose-response relationships would be expected. For those situations where the magnitude of the effect may be determined on probabilistic grounds as a function of dose ("stochastic" model), no p...

journal_title：Environmental health perspectives

authors： Radford EP

更新日期：1981-12-01 00:00:00

abstract：:This study was undertaken to explore the effects of chronic low-level cadmium ingestion in Dahl hypertension-resistant (R) and hypertension-sensitive (S) lines of rats. Groups of weanling female R and S rats were given 0 or 1 mg cadmium/1. in drinking water and fed either a low salt (0.4% NaCl) or a high salt (4% NaCl...

journal_title：Environmental health perspectives

authors： Ohanian EV,Iwai J

更新日期：1979-02-01 00:00:00

abstract：:Diffuse pulmonary fibrosis is associated with bleomycin administration to humans. The sequential reactions of lung cells to this drug have now been investigated in mice following injection of 20 mg/kg bleomycin twice per week for 4 to 8 weeks. Cytoplasmic and subendothelial edema was first observed in large vessels an...

journal_title：Environmental health perspectives

authors： Adamson IY

更新日期：1976-08-01 00:00:00

abstract：:Idiopathic Parkinson's disease (IPD) represents a common neurodegenerative disorder. An estimated 2% of the U.S. population, age 65 and older, develops IPD. The number of IPD patients will certainly increase over the next several decades as the baby-boomers gradually step into this high-risk age group, concomitant wit...

journal_title：Environmental health perspectives

authors： Aschner M

更新日期：2000-06-01 00:00:00

abstract：:A cohort of 12,110 male workers employed 1 or more years in eight styrene-butadiene polymer (SBR) manufacturing plants in the United States and Canada has been followed for mortality over a 40-year period, 1943 to 1982. The all-cause mortality of these workers was low [standardized mortality ratio (SMR) = 0.81] compar...

journal_title：Environmental health perspectives

authors： Matanoski GM,Santos-Burgoa C,Schwartz L

更新日期：1990-06-01 00:00:00

abstract：:The gas phase reactions of carbanions with molecular oxygen in both its ground state (X3 sigma g-) and first electronically excited state (a1 delta g) have been studied by the flowing afterglow technique. Reactions include cleavage processes, charge transfer, hydride transfer, formation of hydroxide ion and processes ...

journal_title：Environmental health perspectives

authors： Bierbaum VM,Schmitt RJ,DePuy CH

更新日期：1980-06-01 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：:We assessed the reproducibility of X-ray fluorescence-based lead measurements from multiple measurements made on a low-concentration plaster of paris phantom and in five subjects measured five times on two occasions. Over a 6-month period, 220 measurements of the same phantom were obtained and showed a standard deviat...

journal_title：Environmental health perspectives

authors： Gordon CL,Webber CE,Chettle DR

更新日期：1994-08-01 00:00:00

abstract：:Lung burden analysis was performed on 126 autopsy cases of persons who died in New York City from 1966 through 1968. Of the 126 cases, 107 were probably non-occupationally exposed, judging by occupational history and asbestos body content of lung. Fifty-three of the 107 cases contained short chrysotile fibers/fibrils,...

journal_title：Environmental health perspectives

authors： Langer AM,Nolan RP

更新日期：1994-10-01 00:00:00

abstract：:The immune system comprises a highly integrated network of multiple tissues and cell types with complicated interactions and effects. It is modulated by the endocrine and nervous systems and there is growing realization of its multifunctionality. The session focusing on immunologic effects of dioxin and related compou...

journal_title：Environmental health perspectives

authors： Birnbaum LS

更新日期：1995-03-01 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：BACKGROUND:Air pollution exposure increases cardiovascular morbidity and mortality and is a major global public health concern. OBJECTIVES:We investigated the benefits of reducing personal exposure to urban air pollution in patients with coronary heart disease. METHODS:In an open randomized crossover trial, 98 patien...

journal_title：Environmental health perspectives

authors： Langrish JP,Li X,Wang S,Lee MM,Barnes GD,Miller MR,Cassee FR,Boon NA,Donaldson K,Li J,Li L,Mills NL,Newby DE,Jiang L

更新日期：2012-03-01 00:00:00