Mutagenicity of halogenated alkanes and their derivatives.

abstract：:Organochlorines are persistent lipophilic compounds that accumulate in Inuit people living in circumpolar countries. Organochlorines accumulate as a result of the Inuits' large consumption of sea mammal fat; however, available data are limited to blood lipids, milk fat, and adipose tissue. We report results of organoc...

journal_title：Environmental health perspectives

authors： Dewailly E,Mulvad G,Pedersen HS,Ayotte P,Demers A,Weber JP,Hansen JC

更新日期：1999-10-01 00:00:00

abstract：BACKGROUND:Microcystin-producing Microcystis bloom is a severe water problem in the world. Some reports indicate that chronic exposure to microcystin may result in liver damage in adults, but information on effects in children is limited. OBJECTIVE:We investigated the relationship between microcystin exposure and live...

journal_title：Environmental health perspectives

authors： Li Y,Chen JA,Zhao Q,Pu C,Qiu Z,Zhang R,Shu W

更新日期：2011-10-01 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：:Human health and aquatic animal health are organically related at three distinct interfaces. Aquatic animals serve as important contributors to the nutritional protein, lipid, and vitamin requirements of humans; as carriers and transmitters of many infectious and parasitic diseases to which humans are susceptible; and...

journal_title：Environmental health perspectives

authors： Dawe CJ

更新日期：1990-06-01 00:00:00

abstract：:Lipocortins are structurally related, glucocorticoid-inducible proteins that inhibit phospholipase A2 (PLA2), thereby reducing the liberation of arachidonic acid from phospholipids and so limiting the synthesis of eicosanoid inflammatory mediators. This study is the first demonstration of one lipocortin, lipocortin 1 ...

journal_title：Environmental health perspectives

authors： Smith SF,Tetley TD,Guz A,Flower RJ

更新日期：1990-04-01 00:00:00

abstract：BACKGROUND:The effect of indoor nitrogen dioxide concentrations on asthma morbidity among inner-city preschool children is uncertain. OBJECTIVES:Our goal was to estimate the effect of indoor NO2 concentrations on asthma morbidity in an inner-city population while adjusting for other indoor pollutants. METHODS:We recr...

journal_title：Environmental health perspectives

authors： Hansel NN,Breysse PN,McCormack MC,Matsui EC,Curtin-Brosnan J,Williams DL,Moore JL,Cuhran JL,Diette GB

更新日期：2008-10-01 00:00:00

abstract：:Implications of the multistage theory of carcinogenesis for evaluating the effect of exposure to carcinogens in the workplace are described. This theory predicts different patterns of excess risk related to duration of exposure, age at initial exposure, and follow-up time since exposure stopped, depending upon which s...

journal_title：Environmental health perspectives

authors： Brown CC,Chu KC

更新日期：1983-04-01 00:00:00

abstract：OBJECTIVES:According to the 2007 National Research Council report Toxicology for the Twenty-First Century, modern methods (e.g., "omics," in vitro assays, high-throughput testing, computational methods) will lead to the emergence of a new approach to toxicology. The Salmonella mammalian microsome mutagenicity assay has...

journal_title：Environmental health perspectives

authors： Claxton LD,Umbuzeiro Gde A,DeMarini DM

更新日期：2010-11-01 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：:In 1998 we published the results of a study suggesting an association between breast cancer and perchloroethylene (PCE; also called tetrachloroethylene) exposure from public drinking water. The present case-control study was undertaken to evaluate this association further. The cases were composed of female residents o...

journal_title：Environmental health perspectives

authors： Aschengrau A,Rogers S,Ozonoff D

更新日期：2003-02-01 00:00:00

abstract：:There is a need to identify specific biological indicator(s) of cadmium exposure so that the renal damage can be prevented. Towards this end, we have examined the usefulness of urinary metallothionein as an indicator of cadmium body burden. It is found that, in both animals and humans, urinary metallothionein level is...

journal_title：Environmental health perspectives

authors： Shaikh ZA,Tohyama C

更新日期：1984-03-01 00:00:00

abstract：:Polychlorinated biphenyls (PCBs) are widespread, low-level environmental pollutants associated with adverse health effects such as immune suppression and teratogenicity. There is increasing evidence that some PCB compounds are capable of disrupting reproductive and endocrine function in fish, birds, and mammals, inclu...

journal_title：Environmental health perspectives

authors： Bergeron JM,Crews D,McLachlan JA

更新日期：1994-09-01 00:00:00

abstract：:The U.S. Environmental Protection Agency is under a congressional mandate to revise its current standard for arsenic in drinking water. We present a risk assessment for cancers of the bladder, liver, and lung from exposure to arsenic in water, based on data from 42 villages in an arseniasis-endemic region of Taiwan. W...

journal_title：Environmental health perspectives

authors： Morales KH,Ryan L,Kuo TL,Wu MM,Chen CJ

更新日期：2000-07-01 00:00:00

abstract：BACKGROUND:National disparities in asbestos use will likely lead to an unequal burden of asbestos diseases. OBJECTIVES:As economic status may be linked to asbestos use, we assessed, globally, the relationship between indicators of national economic development and asbestos use. METHODS:For the 135 countries that have...

journal_title：Environmental health perspectives

authors： Le GV,Takahashi K,Karjalainen A,Delgermaa V,Hoshuyama T,Miyamura Y,Furuya S,Higashi T,Pan G,Wagner G

更新日期：2010-01-01 00:00:00

abstract：:The nasal cavity is susceptible to chemically induced injury as a result of exposure to inhaled irritants. Some responses of the nasal mucosa to inhaled toxicants are species specific. These species-related differences in response may be due to variations in structural, physiologic, and biochemical factors, such as gr...

journal_title：Environmental health perspectives

authors： Harkema JR

更新日期：1990-04-01 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：:Metallothioneins (MTs) are encoded by a multigene family in man. We have isolated those genes and analyzed the structure of some of them. The MT-II variant is encoded by a single functional gene: MT-IIA. The MT-IIB gene is a processed pseudogene derived from a reverse transcript of MT-II mRNA. On the other hand, the M...

journal_title：Environmental health perspectives

authors： Karin M,Richards RI

更新日期：1984-03-01 00:00:00

abstract：BACKGROUND:We previously conducted a study to assess whether household exposures to tap water increased an individual's internal dose of trihalomethanes (THMs). Increases in blood THM levels among subjects who showered or bathed were variable, with increased levels tending to cluster in two groups. OBJECTIVES:Our goal...

journal_title：Environmental health perspectives

authors： Backer LC,Lan Q,Blount BC,Nuckols JR,Branch R,Lyu CW,Kieszak SM,Brinkman MC,Gordon SM,Flanders WD,Romkes M,Cantor KP

更新日期：2008-01-01 00:00:00

abstract：BACKGROUND:Epidemiologic studies of postnatal PCB exposure and behavior have not reported consistent evidence of adverse associations, possibly because of challenges in exposure estimation. We previously developed a pharmacokinetic model to improve estimation of children's PCB exposure. OBJECTIVES:We aimed to assess w...

journal_title：Environmental health perspectives

authors： Verner MA,Hart JE,Sagiv SK,Bellinger DC,Altshul LM,Korrick SA

更新日期：2015-09-01 00:00:00

abstract：BACKGROUND:Bisphenol A (BPA) is known to be biologically active in experimental models even at low levels of exposure. However, its impact on endometrial cancer remains unclear. OBJECTIVES:This study aimed to investigate whether lifelong exposure to different doses of BPA induced uterine abnormalities and molecular ch...

journal_title：Environmental health perspectives

authors： Leung YK,Biesiada J,Govindarajah V,Ying J,Kendler A,Medvedovic M,Ho SM

更新日期：2020-12-01 00:00:00

abstract：:Examining global effects of toxic metals on gene expression can be useful for elucidating patterns of biological response, discovering underlying mechanisms of toxicity, and identifying candidate metal-specific genetic markers of exposure and response. Using a 1,200 gene nylon array, we examined changes in gene expres...

journal_title：Environmental health perspectives

authors： Andrew AS,Warren AJ,Barchowsky A,Temple KA,Klei L,Soucy NV,O'Hara KA,Hamilton JW

更新日期：2003-05-01 00:00:00

abstract：BACKGROUND:Research often suffers from overspecialization, a practice nurtured in academia and reinforced by funders. Indeed, investigators in household air pollution (HAP) and water, sanitation and hygiene (WaSH), working in poor parts of the world, rarely interact despite having similar training and using similar met...

journal_title：Environmental health perspectives

authors： Clasen T,Smith KR

更新日期：2019-02-01 00:00:00

abstract：:The consideration of ethical issues relating to pediatric environmental health is a recent phenomenon. Discussions of biomedical ethics, research on children, and environmental health research have a longer history. In the late 1990s, researchers at the Kennedy Krieger Institute in Baltimore, Maryland, undertook a stu...

journal_title：Environmental health perspectives

authors： Paulson JA

更新日期：2006-10-01 00:00:00

abstract：BACKGROUND:There is ongoing discussion that inhaled nanoparticles (NPs, < 100 nm) may translocate from epithelial deposition sites of the lungs to systemic circulation. OBJECTIVES AND METHODS:We studied the disappearance of NPs from the epithelium by sequential lung retention and clearance and bronchoalveolar lavage (...

journal_title：Environmental health perspectives

authors： Semmler-Behnke M,Takenaka S,Fertsch S,Wenk A,Seitz J,Mayer P,Oberdörster G,Kreyling WG

更新日期：2007-05-01 00:00:00

abstract：:During 1992 and 1993 the Wisconsin Division of Health investigated five cases in which copper-contaminated drinking water was suspected of causing gastrointestinal upsets. Each of these case studies was conducted after our office was notified of high copper levels in drinking water or notified of unexplained illnesses...

journal_title：Environmental health perspectives

authors： Knobeloch L,Ziarnik M,Howard J,Theis B,Farmer D,Anderson H,Proctor M

更新日期：1994-11-01 00:00:00

abstract：:At picomolar concentrations, lead activates protein kinase C (PKC). This activation has been implicated in the neurotoxicity of lead. No prior study has evaluated the association of PKC activity with neurobehavioral function in humans. The purpose of this study was to determine whether PKC activity is associated with ...

journal_title：Environmental health perspectives

authors： Hwang KY,Lee BK,Bressler JP,Bolla KI,Stewart WF,Schwartz BS

更新日期：2002-02-01 00:00:00

abstract：:In this article we report a simple and efficient method for detecting nonsteroidal estrogens in a biologic sample. This method uses polyclonal antibodies to estradiol (E2) to immunoprecipitate these major biologically active steroidal estrogens, leaving behind the nonsteroidal estrogens, which are then detected in a c...

journal_title：Environmental health perspectives

authors： Natarajan K,Overstreet JW,Rogers JM,Denison MS,Chen J,Lohstroh PN,McConnell DS,Lasley BL

更新日期：2002-08-01 00:00:00

abstract：:Molecular epidemiology has significant potential in preventing cancer and other diseases caused by environmental exposures (related to lifestyle, occupation, or ambient pollution). This approach attempts to prevent cancer by incorporating laboratory methods to document the molecular dose and preclinical effects of car...

journal_title：Environmental health perspectives

authors： Perera FP,Mooney LA,Dickey CP,Santella RM,Bell D,Blaner W,Tang D,Whyatt RM

更新日期：1996-05-01 00:00:00

abstract：:The phenomenon of fiber-induced cytotoxicity to P388D1 macrophagelike cells has been demonstrated to parallel (thus far without exception) the probability that the fiber will induce a pleural sarcoma (mesothelioma) in rats. This startling parallel in both cases seems to be essentially independent of the chemical natur...

journal_title：Environmental health perspectives

authors： Lipkin LE

更新日期：1980-02-01 00:00:00

abstract：:A major goal of studying farmworkers is to better understand how their work environment, including exposure to pesticides, affects their health. Although a number of health conditions have been associated with pesticide exposure, clear linkages have yet to be made between exposure and health effects except in cases of...

journal_title：Environmental health perspectives

authors： McCauley LA,Anger WK,Keifer M,Langley R,Robson MG,Rohlman D

更新日期：2006-06-01 00:00:00