POCK model simulations of pulmonary quartz dust retention data in extended inhalation exposures of rats.

abstract：:The Provisional Advisory Level (PAL) protocol was applied to estimate inhalation exposure limits for phosgene (CG). Three levels (PAL 1, PAL 2, and PAL 3), distinguished by severity of toxic effects, are developed for 24-hour, 30-day, 90-day, and 2-year durations of potential drinking water and inhalation exposures fo...

journal_title：Inhalation toxicology

authors： Glass D,McClanahan M,Koller L,Adeshina F

更新日期：2009-12-01 00:00:00

abstract：:Rats were exposed to a new graphite whisker for 4 wk by inhalation. Mass and fiber concentrations were 8.3 +/- 2.2 mg/m3 and 151.7 +/- 78.8 fibers (F)/ml, respectively, and mass median aerodynamic diameter was 3.0 micro m. Geometric mean sizes of the original whiskers were 0.86 micro m diameter and 6.8 micro m length....

journal_title：Inhalation toxicology

authors： Ishimatsu S,Hori H,Oyabu T,Tanaka I

更新日期：2003-01-01 00:00:00

abstract：:Sulfur dioxide (SO2) is a ubiquitous air pollutant, present in low concentrations in the urban air and in higher concentrations in the working environment. In this study, we investigated the effects of inhaled SO2 on the O-dealkylase of pentoxyresorufin (PROD) and p-nitrophenol hydroxylases (p-NP) activities and mRNA ...

journal_title：Inhalation toxicology

authors： Qin G,Meng Z

更新日期：2006-07-01 00:00:00

abstract：:Objective: Cigarette tobacco smoking has been shown to cause cancer through different mechanisms that include epigenetic modulation of tumor-suppressor genes. In the present study, the association between global and MLH1 gene promoter methylation and waterpipe tobacco smoking was investigated. Materials and Methods: B...

journal_title：Inhalation toxicology

authors： Sabi SH,Khabour OF,Alzoubi KH,Cobb CO,Eissenberg T

更新日期：2020-02-01 00:00:00

abstract：:Increased levels of C-reactive protein (CRP) and heat-shock protein-70 (Hsp70) in plasma are known to be associated with an increased risk of cardiovascular disease. In this study we have investigated the effects of environmental air pollution particles (PM10) and ultrafine carbon black (ufCB) on the expression of CRP...

journal_title：Inhalation toxicology

authors： Ramage L,Guy K

更新日期：2004-06-01 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：:Inhalation exposure systems are necessary tools for determining the dose-response relationship of inhaled toxicants under a variety of exposure conditions. The objective of this project was to develop an automated computer controlled system to expose small laboratory animals to precise concentrations of airborne multi...

journal_title：Inhalation toxicology

authors： McKinney W,Chen B,Frazer D

更新日期：2009-10-01 00:00:00

abstract：:This study was undertaken to determine whether there was an association between fine particles (PM₂.₅) levels and hospital admissions for congestive heart failure (CHF) in Taipei, Taiwan. Hospital admissions for CHF and ambient air pollution data for Taipei were obtained for the period 2006-2010. The relative risk of ...

journal_title：Inhalation toxicology

authors： Hsieh YL,Tsai SS,Yang CY

更新日期：2013-07-01 00:00:00

abstract：:Cigarette smoke exposures in mice have been conducted under various exposure conditions using different strains as animal models of smoke-related diseases. We exposed cigarette smoke to two strains of mice [C57BL/6J (C57) and AKR/J (AKR)] under two different exposure regimens (1 h or 4 h/day) at equivalent daily expos...

journal_title：Inhalation toxicology

authors： Tsuji H,Fujimoto H,Matsuura D,Nishino T,Lee KM,Renne R,Yoshimura H

更新日期：2011-08-01 00:00:00

abstract：:Recent studies have shown that air pollution is a risk factor for hospitalization for pneumonia. However, there is limited evidence to suggest what subpopulations are at greater risk from air pollution. This study was undertaken to examine the modifying effect of specific secondary diagnosis (including hypertension, d...

journal_title：Inhalation toxicology

authors： Cheng MF,Tsai SS,Chiu HF,Sung FC,Wu TN,Yang CY

更新日期：2009-11-01 00:00:00

abstract：:Sulfur dioxide (SO2) is a common but important air pollutant. Micronuclei (MN) in the polychromatic erythrocytes (PCE) of mouse bone marrow and the ratio between organ and body weight of treatment mouse were determined and analyzed in vivo in order to study injury of sulfur dioxide inhalation on organs and germ plasm ...

journal_title：Inhalation toxicology

authors： Ruan A,Min H,Meng Z,Lü Z

更新日期：2003-09-01 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：:The molecular bases for variability in air pollutant-induced pulmonary injury due to underlying cardiovascular (CVD) and/or metabolic diseases are unknown. We hypothesized that healthy and genetic CVD-prone rat models will exhibit exacerbated response to acute ozone exposure dependent on the type and severity of disea...

journal_title：Inhalation toxicology

authors： Kodavanti UP,Ledbetter AD,Thomas RF,Richards JE,Ward WO,Schladweiler MC,Costa DL

更新日期：2015-01-01 00:00:00

abstract：:The understanding of historical ambient asbestos concentrations is critical to exposure mapping and retrospective health impact studies involving asbestos related diseases. Two presentations at the University of Montana Center for Environmental Health Sciences Asbestos Conference (July 28, 2005) introduced novel metho...

journal_title：Inhalation toxicology

authors： Webber JS,Getman M,Ward TJ

更新日期：2006-11-01 00:00:00

abstract：:The C9 alkylbenzenes, composed mostly of ethyltoluenes and trimethylbenzenes, comprise 75-90% of the naphtha fraction of crude oil. Occupational and environmental exposure to C9 alkylbenzenes occur via inhalation. We conducted short-term inhalation studies on the ethyltoluene isomers (2-, 3- or 4-) to select one isome...

journal_title：Inhalation toxicology

authors： Roberts GK,Willson CJ,Olivera DS,Malarkey DE,Morgan DL

更新日期：2017-01-01 00:00:00

abstract：:We used inert melamin particles that are very well defined in size (diameters: 0.5, 1.9, 6.8 microm) to study the effects of ambient particles of <10 microm (PM(10)) on phagocytosis. Dose-response functions were found between the amount of added melamin particle mass and the toxicity. Fine particles (0.5 microm) were ...

journal_title：Inhalation toxicology

authors： Monn C,Fendt R,Koller T

更新日期：2002-04-01 00:00:00

abstract：:This study assessed the association between ambient air pollution and daily elementary school absenteeism in Washoe County, NV, between 1996 and 1998. All 57 elementary schools in Washoe County in northern Nevada were included in the data set. There was a total of 27,793 student enrollments during this study period. T...

journal_title：Inhalation toxicology

authors： Chen L,Jennison BL,Yang W,Omaye ST

更新日期：2000-11-01 00:00:00

abstract：:AKR/J mice were exposed to cigarette smoke (CS) and/or lipopolysaccharide (LPS) via inhalation for 3 wk and pulmonary responses were evaluated. The objective was to explore the feasibility of coexposing LPS with cigarette smoke under a subacute exposure, as a surrogate for viral or bacterial insults, that would mimic ...

journal_title：Inhalation toxicology

authors： Lee KM,Renne RA,Harbo SJ,Clark ML,Johnson RE,Gideon KM

更新日期：2007-01-01 00:00:00

abstract：BACKGROUND:Epidemiologic studies have linked inhalation of air pollutants such as ozone to cardiovascular mortality. Human exposure studies have shown that inhalation of ambient levels of ozone causes airway and systemic inflammation and an imbalance in sympathetic/parasympathetic tone. METHODS:To explore molecular me...

journal_title：Inhalation toxicology

authors： Tham A,Lullo D,Dalton S,Zeng S,van Koeverden I,Arjomandi M

更新日期：2017-02-01 00:00:00

abstract：BACKGROUND:Nanoparticles are being rapidly assimilated into numerous research fields and consumer products. A concurrent increase in human exposure to such materials is expected. Magnetic nanoparticles (MNPs) possess unique and beneficial features, increasing their functionality and integrative potential. However, MNP ...

journal_title：Inhalation toxicology

authors： Baber O,Jang M,Barber D,Powers K

更新日期：2011-08-01 00:00:00

abstract：:Information on nasal particle deposition is used in risk assessments for exposure to airborne particulate pollutants and for optimizing the delivery of therapeutic aerosols. Monkeys are commonly used to assess the therapeutic potential of inhaled substances and to a lesser extent the toxicity of inhaled xenobiotics. Y...

journal_title：Inhalation toxicology

authors： Kelly JT,Asgharian B,Wong BA

更新日期：2005-12-15 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：: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：:Elastolysis, collagenolysis and gelatinolysis are essential in the pathogenesis of tobacco smoke-induced emphysema; however, these activities have been scantily studied in emphysema secondary to woodsmoke. The aim of this study was to analyze elastolysis, collagenolysis and gelatinolysis, MMP-1, MMP-2, and MMP-9 expre...

journal_title：Inhalation toxicology

authors： Ramos C,Cisneros J,Gonzalez-Avila G,Becerril C,Ruiz V,Montaño M

更新日期：2009-02-01 00:00:00

abstract：:Background: The correlation of physico-chemical properties with mechanisms of toxicity has been proposed as an approach to predict the toxic potential of the vast number of emerging nanomaterials. Although relationships have been established between properties and the acute pulmonary inflammation induced by nanomateri...

journal_title：Inhalation toxicology

authors： Roach KA,Anderson SE,Stefaniak AB,Shane HL,Kodali V,Kashon M,Roberts JR

更新日期：2019-07-01 00:00:00

abstract：:Acute carbon monoxide (CO) poisoning may cause cardiotoxicity. The natriuretic peptides, including atrial natriuretic peptide, brain natriuretic peptide (BNP), N-BNP, and NT-proBNP (N-terminal pro brain natriuretic peptide), are endogenous cardiac hormones that may be secreted upon myocardial stress. The aim of this s...

journal_title：Inhalation toxicology

authors： Davutoglu V,Gunay N,Kocoglu H,Gunay NE,Yildirim C,Cavdar M,Tarakcioglu M

更新日期：2006-02-01 00:00:00

abstract：:Studies have shown associations between acute ambient particulate matter (PM) levels and increases in morbidity and mortality from cardiovascular diseases. We have previously reported in 24 healthy adults that exposure to concentrated ambient particles plus ozone (CAP + O(3)) caused a mean decrease of 0.09 mm in brach...

journal_title：Inhalation toxicology

authors： Urch B,Brook JR,Wasserstein D,Brook RD,Rajagopalan S,Corey P,Silverman F

更新日期：2004-06-01 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：:Ozone (O₃), a commonly encountered environmental pollutant, has been shown to induce pulmonary fibrosis in different animal models; the underlying mechanism, however, remains elusive. To investigate the molecular mechanism underlying O₃-induced pulmonary fibrosis, 6- to 8-week-old C57BL/6 male mice were exposed to a c...

journal_title：Inhalation toxicology

authors： Katre A,Ballinger C,Akhter H,Fanucchi M,Kim DK,Postlethwait E,Liu RM

更新日期：2011-07-01 00:00:00

abstract：:In order to evaluate the chronic effect of polymerized toner particles on the lung, inflammation- and fibrosis-related genes were analyzed and 8-hydroxydeoxyguanosine (8-OHdG) was examined by using the lung tissue of rats subjected to 24 months of toner inhalation exposure. Wistar female rats were divided into four gr...

journal_title：Inhalation toxicology

authors： Morimoto Y,Hirohashi M,Kasai T,Oyabu T,Ogami A,Myojo T,Murakami M,Nishi K,Kadoya C,Todoroki M,Yamamoto M,Kawai K,Kasai H,Tanaka I

更新日期：2009-09-01 00:00:00