Pulmonary clearance of manganese phosphate, manganese sulfate, and manganese tetraoxide by CD rats following intratracheal instillation.

abstract：:Naphthalene (NA) was shown to be carcinogenic, causing respiratory epithelial adenoma in the nasal cavity of male F344 rats and olfactory epithelial neuroblastoma in female F344 rats at exposure concentrations of 10-60 ppm in a 2-year inhalation study conducted by the National Toxicology Program. To explore the exposu...

journal_title：Inhalation toxicology

authors： Dodd DE,Wong BA,Gross EA,Miller RA

更新日期：2012-01-01 00:00:00

abstract：OBJECTIVE:The significance of lung function as an independent risk factor for lung cancer remains unclear. The objective of the study is to answer the question if spirometry can identify patients at risk for lung cancer among people occupationally exposed to asbestos dust in the past. METHODS:In order to identify a gr...

journal_title：Inhalation toxicology

authors： Świątkowska B,Szeszenia-Dąbrowska N

更新日期：2017-01-01 00:00:00

abstract：:Diesel engine exhaust (DEE), a ubiquitous environmental pollutant, has been associated with adverse health effects. Revelation of cellular and molecular changes is critical for understanding environmental exposure-related diseases. Although the molecular-level effects of DEE exposure have been investigated, whether it...

journal_title：Inhalation toxicology

authors： Zhang X,Xiao X,Duan H,Gao F,Li Y,Niu Y,Gao W,Wang H,Yu S,Zheng Y

更新日期：2016-01-01 00:00:00

abstract：:This study aims to investigate the negative effects of chronic exposure to isoflurane on spermatogenesis and explore the underlying mechanisms. Sixty male rats were randomly allocated to two groups: control group, receiving no treatment, and anesthesia group, administrated exposure to isoflurane (2 ppm) for 25 consecu...

journal_title：Inhalation toxicology

authors： Ding Y,Yu J,Qu P,Ma P,Yu Z

更新日期：2015-01-01 00:00:00

abstract：:The purpose of this study was to characterize the respiratory effects of single and repeated controlled exposures to clean warm humid and cold dry air in a new model of anesthetized, mechanically ventilated guinea pigs, and to compare findings with known effects in humans. Intratracheal air (T(tr)) and retrotracheal t...

journal_title：Inhalation toxicology

authors： Hälinen AI,Pennanen AS,Salonen RO

更新日期：2000-08-01 00:00:00

abstract：:Chronic bronchitis is a significant cause of morbidity and mortality. Chronic irritation of the conducting airways by inhaled substances, most importantly cigarette smoke, air pollution, and occupational exposures, is thought to be a key factor in the pathogenesis of chronic bronchitis. Microbial infections have been ...

journal_title：Inhalation toxicology

authors： Nikula KJ,Green FH

更新日期：2000-01-01 00:00:00

abstract：:Microbial growth in moisture-damaged buildings has been associated with respiratory health effects, and the spores of the mycotoxin producing fungus Aspergillus versicolor are frequently present in the indoor air. To characterize the potential of these spores to cause harmful respiratory effects, mice were exposed via...

journal_title：Inhalation toxicology

authors： Jussila J,Komulainen H,Kosma VM,Nevalainen A,Pelkonen J,Hirvonen MR

更新日期：2002-12-01 00:00:00

abstract：:The purpose of this exploratory study within the integrated subchronic inhalation exposure study (Lippmann et al., 2005) was to identify genes in heart and lung tissue that changed in expression level as a result of subchronic exposure to concentrated ambient particles (CAPs). Identification of CAPs exposure-related c...

journal_title：Inhalation toxicology

authors： Gunnison A,Chen LC

更新日期：2005-04-01 00:00:00

abstract：:Epidemiological studies of particulate matter (PM) using central area monitors have associated total PM mass, as well as certain individual components of PM, including sulfate, with adverse human health effects. However, some recent studies that used concentrated ambient particles (CAPs) or analyzed the effects of air...

journal_title：Inhalation toxicology

authors： Grahame T,Schlesinger R

更新日期：2005-01-01 00:00:00

abstract：:Washed human erythrocytes were incubated with titanium dioxide (TiO2) particles at 37 degrees C for 1 hr and hemolysis was determined by the percentage of hemoglobin released (optical density at 540 nm; OD540) from the cells. Effects of TiO2 on OD540 were corrected and dose-response curves were analyzed by the Hill pl...

journal_title：Inhalation toxicology

authors： Aisaka Y,Kawaguchi R,Watanabe S,Ikeda M,Igisu H

更新日期：2008-07-01 00:00:00

abstract：:The effect of prenatal exposure to diesel exhaust (DE) was investigated. Twenty pregnant ICR mice were exposed to DE at the particle concentration of 1.0 mg/m3, from d 2 until d 16 postcoitum. Male offspring were kept alive until 12 wk of age, and then male reproductive organ weight, daily sperm production (DSP), seru...

journal_title：Inhalation toxicology

authors： Ono N,Oshio S,Niwata Y,Yoshida S,Tsukue N,Sugawara I,Takano H,Takeda K

更新日期：2007-03-01 00:00:00

abstract：:Wistar rats were exposed for 24 mo to diesel emissions containing a low (0.2 ppm, 0.21 mg/m(3)), medium (1.04 ppm, 1.18 mg/m(3)), or high (2.96 ppm, 3.05 mg/m(3)) concentration of NO(2) and particles, or diesel emissions containing a medium (1.12 ppm, 0.01 mg/m(3)) concentration of NO(2) without particles. At 6-mo int...

journal_title：Inhalation toxicology

authors： Kato A,Nagai A,Kagawa J

更新日期：2000-06-01 00:00:00

abstract：:The aim of this study was to investigate the dose-related effects of dichlorvos inhalation on electrophysiological alterations of diaphragm and phrenic nerve and the changes in the histologic structure of respiratory system. This study was performed on 33 rats divided into 5 groups, inhaling 1, 2, 5, 10, and 15 microg...

journal_title：Inhalation toxicology

authors： Atiş S,Cömelekoğlu U,Coşkun B,Ozge A,Ersöz G,Talas D

更新日期：2002-02-01 00:00:00

abstract：:Ultrafine particles (diameter < 100 nm) may be important in the health effects of air pollution, in part because of their predicted high respiratory deposition. However, there are few measurements of ultrafine particle deposition during spontaneous breathing. The fractional deposition for the total respiratory tract o...

journal_title：Inhalation toxicology

authors： Daigle CC,Chalupa DC,Gibb FR,Morrow PE,Oberdörster G,Utell MJ,Frampton MW

更新日期：2003-05-01 00:00:00

abstract：:Crystalline silica has been classified as a human carcinogen, but there is still considerable controversy regarding its fibrogenic and carcinogenic potential. In the present study, we investigated the genotoxic potential of bentonite particles (diameter < 10 microm) with an a-quartz content of up to 6% and different c...

journal_title：Inhalation toxicology

authors： Geh S,Shi T,Shokouhi B,Schins RP,Armbruster L,Rettenmeier AW,Dopp E

更新日期：2006-05-01 00:00:00

abstract：:Particle research has been historically closely connected to industrial activities or materials, such as coal, asbestos, man-made mineral fibers, and more recently ambient particulate matter (PM). It is the purpose of this review to combine insights and developments in particle toxicology with the historical context o...

journal_title：Inhalation toxicology

authors： Borm PJ

更新日期：2002-03-01 00:00:00

abstract：:Respiratory disturbances play a central role in chemical warfare nerve agent (CWNA) induced toxicity; they are the starting point of mass casualty and the major cause of death. We developed a microinstillation technique of inhalation exposure to nerve agent VX and assessed lung injury by biochemical analysis of the br...

journal_title：Inhalation toxicology

authors： Graham JR,Wright BS,Rezk PE,Gordon RK,Sciuto AM,Nambiar MP

更新日期：2006-06-01 00:00:00

abstract：:Oxidative stress is thought to be the pathogenesis of pulmonary fibrosis induced by asbestos, and heme oxygenase-1 (HO-1) protects lung tissue against oxidative stress. We hypothesized that HO-1 is associated with oxidative lung injury caused by exposure to asbestos. This study was conducted to investigate the time co...

journal_title：Inhalation toxicology

authors： Nagatomo H,Morimoto Y,Oyabu T,Hirohashi M,Ogami A,Yamato H,Kuroda K,Higashi T,Tanaka I

更新日期：2005-05-01 00:00:00

abstract：:Adult Sprague-Dawley (SD) male rats were exposed for a single 3 h period to air, ozone (O₃) or O₃) followed by tobacco smoke (O₃/TS). For pulmonary effects, bronchoalveolar lavage (BAL) cells and fluid were analyzed. Data revealed a significant increase in polymorphonuclear leukocytes (PMN), total protein and albumin ...

journal_title：Inhalation toxicology

authors： Bhoopalan V,Han SG,Shah MM,Thomas DM,Bhalla DK

更新日期：2013-01-01 00:00:00

abstract：:Recurrent events, such as repeated hospital admissions for the same health outcome, occur frequently in environmental health studies. In this study, we conducted an analysis of data on repeated respiratory hospitalizations among the elderly in Vancouver, Canada, for the period of June 1, 1995, to March 31, 1999, using...

journal_title：Inhalation toxicology

authors： Fung KY,Khan S,Krewski D,Chen Y

更新日期：2006-12-01 00:00:00

abstract：:In Germany in 2006 a series of rapidly developing and sometimes severe cases of pulmonary health impairment were observed after normal use of the "Magic Nano Glass & Ceramic" spray and "Magic Nano Bath" spray. In contrast, the previously marketed "Magic Nano" pump spray product (handheld trigger device without propell...

journal_title：Inhalation toxicology

authors： Pauluhn J,Hahn A,Spielmann H

更新日期：2008-11-01 00:00:00

abstract：:With growing evidence of the association between daily mortality and air pollution in adults, it is important to investigate whether infants are also susceptible to the adverse health effects of ambient air pollutants. The purpose of this study is to examine the relationship between air pollution and postneonatal mort...

journal_title：Inhalation toxicology

authors： Tsai SS,Chen CC,Hsieh HJ,Chang CC,Yang CY

更新日期：2006-03-01 00:00:00

abstract：:The effects of low-level ozone exposure (0.08 ppm) on pulmonary function in healthy young adults are well known; however, much less is known about the inflammatory and immunomodulatory effects of low-level ozone in the airways. Techniques such as induced sputum and flow cytometry make it possible to examine airways in...

journal_title：Inhalation toxicology

authors： Alexis NE,Lay JC,Hazucha M,Harris B,Hernandez ML,Bromberg PA,Kehrl H,Diaz-Sanchez D,Kim C,Devlin RB,Peden DB

更新日期：2010-06-01 00:00:00

abstract：:This article addresses results of two 13-wk inhalation toxicity studies in Wistar rats with aerosolized 1,6-hexamethylene diisocyanate (HDI) homopolymers using either the isocyanurate (HDI-IC) type or biuret (HDI-BT) type. Groups of 10 rats/sex/level were exposed nose-only to breathing zone concentrations of 0.5, 3.3,...

journal_title：Inhalation toxicology

authors： Pauluhn J,Mohr U

更新日期：2001-06-01 00:00:00

abstract：:With regard to genotoxicity testing and cancer risk assessment, particles and fibers form a rather specific group among all toxicants. First, the physicochemical behavior of fibrous and nonfibrous particles is usually very different from that of nonparticulate, chemical carcinogens. Reactive oxygen species (ROS) are b...

journal_title：Inhalation toxicology

authors： Schins RP

更新日期：2002-01-01 00:00:00

abstract：:This paper summarizes available data on worker exposures to asphalt fume (soluble fraction), total particulate matter, and respirable crystalline silica (quartz) [hereinafter RCS] over a 30-year period in Owens Corning's asphalt production and roofing manufacturing plants. For the period 1977 through 2006, the air-mon...

journal_title：Inhalation toxicology

authors： Fayerweather WE,Trumbore DC,Johnson KA,Niebo RW,Maxim LD

更新日期：2011-09-01 00:00:00

abstract：:Objective: To develop a physiologically based pharmacokinetic (PBPK) model for chloroprene in the mouse, rat and human, relying only on in vitro data to estimate tissue metabolism rates and partitioning, and to apply the model to calculate an inhalation unit risk (IUR) for chloroprene.Materials and methods: Female B6C...

journal_title：Inhalation toxicology

authors： Clewell HJ 3rd,Campbell JL,Van Landingham C,Franzen A,Yoon M,Dodd DE,Andersen ME,Gentry PR

更新日期：2019-01-01 00:00:00

abstract：:The use of methylcyclopentadienyl manganese tricarbonyl (MMT) in unleaded gasoline has given rise to numerous debates on the potential public health risk associated with manganese emissions. In fact, combustion products are mainly Mn phosphate, Mn sulfate, and Mn phosphate/sulfate mixture. Our research group did sever...

journal_title：Inhalation toxicology

authors： Beaupré LA,Salehi F,Zayed J,Plamondon P,L'Espérance G

更新日期：2004-04-01 00:00:00

abstract：:We briefly review the evidence that the carcinogenic risk posed by inhaled fibers depends principally on the lung burden of long fibers. We use a deposition clearance model to generate time-dependent lung burdens in rats of a dozen long fibers for various exposure concentrations. Together with a previously estimated p...

journal_title：Inhalation toxicology

authors： Moolgavkar SH,Brown RC,Turim J

更新日期：2001-09-01 00:00:00

abstract：:Measurement strategies as well as results from measurements at workplaces are presented. Measurements were performed in research laboratories as well as by companies producing small amounts of nanostructured materials. The work was done in the frame of a BAuA (Bundesanstalt für Arbeitsschutz und Arbeitsmedizin) resear...

journal_title：Inhalation toxicology

authors： Plitzko S

更新日期：2009-07-01 00:00:00