Influence of aluminum treatments on pulmonary retention of quartz in sheep silicosis.

abstract：:We set out to determine whether or not the "mucolytic" drug N-acetylcysteine would speed the reversal of cigarette smoke-induced secretory-cell hyperplasia to normal, similar to that found previously for two nonsteroidal antiinflammatory drugs. Cigarette smoke alone significantly (p less than 0.01) increased the numbe...

journal_title：Experimental lung research

authors： Rogers DF,Godfrey RW,Majumdar S,Jeffery PK

更新日期：1988-01-01 00:00:00

abstract：:B6C3F1 female mice were exposed to cigarette smoke (CS) (250 mg/m3 total particulate material) or filtered air (FA), 6 hours/day, 5 days/week, for 6, 7, or 10 weeks, or to CS for 6 weeks, then FA for 1 or 4 additional weeks. Exposure to CS increased macrophages, neutrophils, lymphocytes, and matrix metalloproteinase (...

journal_title：Experimental lung research

authors： Seagrave J,Barr EB,March TH,Nikula KJ

更新日期：2004-01-01 00:00:00

abstract：:Diesel exhaust particles (DEP) are associated with respiratory disease and exposure to diesel exhaust induces an inflammatory response associated with marked leukocytic infiltration in the lung. This study examined whether neutrophils are activated by the active component of DEP (methanol extract of DEP [me-DEP]). The...

journal_title：Experimental lung research

authors： Matsuzaki T,Amakawa K,Yamaguchi K,Ishizaka A,Terashima T,Matsumaru A,Morishita T

更新日期：2006-10-01 00:00:00

abstract：:A small subpopulation of pulmonary epithelial cells (PE) proliferates in low-density primary culture of alveolar type II cells and forms colonies of cells that could be passaged for several generations and that in some respects maintain a differentiated phenotype of the alveolar type II cells. At this time it is not k...

journal_title：Experimental lung research

authors： Kalina M,Riklis S,Blau H

更新日期：1993-03-01 00:00:00

abstract：:In a number of recent studies, a lung tumor resistance locus designated either Par2 or Pas7 was mapped to distal chromosome 18 in crosses between susceptible A/J and more resistant BALB/c mice. This locus is important in that it accounts for as much as 60% of the difference in lung tumor susceptibility between the A/J...

journal_title：Experimental lung research

authors： Zhang Z,Lin L,Liu G,Wang M,Hill J,Wang Y,You M,Devereux TR

更新日期：2000-12-01 00:00:00

abstract：:A past study demonstrated that all-trans-retinoic acid (ATRA) treatment by intraperitoneal injection in a rat model of elastase-induced emphysema caused tissue regeneration as evidenced by a decrease in alveolar size and lung volume and an increase in alveolar number. We postulated that treatment with this retinoid by...

journal_title：Experimental lung research

authors： March TH,Cossey PY,Esparza DC,Dix KJ,McDonald JD,Bowen LE

更新日期：2004-07-01 00:00:00

abstract：:Leukotrienes (LTs) are potent vasoconstrictors in the pulmonary circulation. We investigated LTB4 and LTE4 metabolism by intrapulmonary arteries and veins of 2 to 9 days old lambs (n = 6). Paired vessels were incubated under baseline, and stimulated conditions. LTB4 and LTE4 were extracted from media, quantfied by enz...

journal_title：Experimental lung research

authors： Ibe BO,Raj JU

更新日期：2001-06-01 00:00:00

abstract：:Urban air consists of a combination of environmental pollutants. Recent studies have suggested that normally innocuous doses of a particular pollutant may be rendered more toxic to the lung if primed by earlier events. Pulmonary inflammation has been observed in humans and in many animal species after endotoxin and oz...

journal_title：Experimental lung research

authors： Johnston CJ,Oberdörster G,Gelein R,Finkelstein JN

更新日期：2002-09-01 00:00:00

abstract：:In order to study the kinetics and pathways of protein transfer in pleural effusion, rats with pleurisy associated with hyperoxic pulmonary edema were injected either intrapleurally or intravenously with tracers. 125I-Albumin was used to obtain quantitative data. Anti horseradish peroxidase used as a morphological tra...

journal_title：Experimental lung research

authors： Bernaudin JF,Theven D,Pinchon MC,Brun-Pascaud M,Bellon B,Pocidalo JJ

更新日期：1986-01-01 00:00:00

abstract：BACKGROUND:Inhaled capsaicin (8-methyl-N-vanillyl-6-nonenamide) has been used to induce cough in a safe and dose-dependent manner. Chronic cough is associated with an increased sensitivity to inhaled capsaicin in patients with asthma. The aim of this study was to evaluate clinical impact of capsaicin provocation test f...

journal_title：Experimental lung research

authors： Park KH,Kim BG,Lee PH,Hong J,Lee J,Park SW,Kim DJ,Jang AS

更新日期：2021-02-01 00:00:00

abstract：:Pathophysiologic changes induced by phospholipase A2 (PLA2), a lipolytic enzyme implicated in a variety of pulmonary diseases, were examined in the isolated, perfused guinea pig lung. Thirty microliters of vehicle (saline) or 30 units of PLA2 suspended in saline was given as a bolus injection into either the trachea o...

journal_title：Experimental lung research

authors： Durham SK,Selig WM

更新日期：1990-07-01 00:00:00

abstract：:In three experiments, we have explored the uptake and transport of colloidal gold (Au) and iron oxide (Fe2O3) by normal and SO2-injured bronchial epithelium. In the first experiment, mice were exposed to a 2-hr aerosol of Au; in the second experiment, mice were exposed to SO2 (250 ppm) for 3 hr, then to Au; and in the...

journal_title：Experimental lung research

authors： Watson AY,Brain JD

更新日期：1980-03-01 00:00:00

abstract：:Retention in the extrathoracic airways, and clearance by nose blowing, of monodisperse indium-111-labeled polystyrene particles were followed for at least 2 days after inhalation by healthy volunteers. Nine volunteers inhaled 3-μm aerodynamic diameter particles while sitting at rest, whereas subgroups of 3 or 4 inhale...

journal_title：Experimental lung research

authors： Smith JR,Bailey MR,Etherington G,Shutt AL,Youngman MJ

更新日期：2011-03-01 00:00:00

abstract：:A tandem repeat region in the second intron of the K-ras gene has been reported to be a possible regulatory site for transcription. In this study, a second protein-binding site was identified and characterized. It lies downstream (nucleotides 463 to 509) of the tandem repeat region. A T--> C base variation at nucleoti...

journal_title：Experimental lung research

authors： Chen B,Wang Y,You M

更新日期：2005-03-01 00:00:00

abstract：:The authors recently showed that preterm birth per se, in the absence of assisted ventilation or elevated inhaled oxygen levels, alters the structure of the airway walls in young lambs. The initial aim of the present study was to determine whether these changes persist into adulthood. Preterm (P; n = 7) lambs were del...

journal_title：Experimental lung research

authors： Snibson K,Harding R

更新日期：2008-02-01 00:00:00

abstract：BACKGROUND:Mechanisms linking behavioral stress and inflammation are poorly understood, mainly in distal lung tissue. OBJECTIVE:We have investigated whether the forced swim stress (FS) could modulate lung tissue mechanics, iNOS, cytokines, oxidative stress activation, eosinophilic recruitment, and remodeling in guinea...

journal_title：Experimental lung research

authors： Reis FG,Marques RH,Starling CM,Almeida-Reis R,Vieira RP,Cabido CT,Silva LF,Lanças T,Dolhnikoff M,Martins MA,Leick-Maldonado EA,Prado CM,Tibério IF

更新日期：2012-09-01 00:00:00

abstract：:Expression of microRNAs (miRNAs) is characteristically altered in cancer, and they may play a role in cancer development and progression. The authors performed microarray and real-time quantitative reverse transcriptase-polymerase chain reaction (RT-PCR) analyses to determine the miRNA expression profile of primary sm...

journal_title：Experimental lung research

authors： Miko E,Czimmerer Z,Csánky E,Boros G,Buslig J,Dezso B,Scholtz B

更新日期：2009-10-01 00:00:00

abstract：:Acute lung injury (ALI) is often associated with sepsis and is the most common cause of acute respiratory failure. The authors evaluated the role of the heme oxygenase (HO)/carbon monoxide (CO) system on lung injury in a cecal ligation and puncture (CLP)-induced mouse model of ALI. The authors established CLP-induced ...

journal_title：Experimental lung research

authors： Fei D,Meng X,Kang K,Nan C,Zhao M,Pan S,Gao M,Yang S,Zhao M

更新日期：2012-05-01 00:00:00

abstract：:The synthesis of proteoglycans by primary cultures of 19-day gestation fetal rat lung Type II pneumonocytes was studied. The cells were grown in the presence of [3H]-glucosamine and/or [35S]-Na2SO4 and the radioactive label incorporated into proteoglycans was analyzed. Proteoglycans of high molecular weight (approxima...

journal_title：Experimental lung research

authors： Skinner SJ,Post M,Torday JS,Stiles AD,Smith BT

更新日期：1987-01-01 00:00:00

abstract：:Emerging data indicate that endothelial-mesenchymal transition (EndMT) is involved in the pathogenesis of idiopathic pulmonary fibrosis (IPF). A previous study noted that blocking the activity of protein phosphatase 2 A (PP2A) could attenuate EndMT. However, the treatment effects of PP2A inhibitors in pulmonary fibros...

journal_title：Experimental lung research

authors： Yu J,Deng Y,Han M

更新日期：2020-09-01 00:00:00

abstract：:Understanding the effects from long-term exposure to individual ambient air pollutants and mixtures of pollutants is necessary for adequate assessment of health risk. This study examined quantitative and temporal alterations in tracheobronchial mucociliary clearance function and bronchial epithelial secretory cells in...

journal_title：Experimental lung research

authors： Schlesinger RB,Gorczynski JE,Dennison J,Richards L,Kinney PL,Bosland MC

更新日期：1992-07-01 00:00:00

abstract：:Paraquat accumulation into rat lung slices was unaffected by hypoxia (PO2 = 645 mm Hg) but was inhibited by hypoxia. The IC50 (IC50 = partial pressure of O2 resulting in a 50% inhibition of paraquat accumulation) for paraquat accumulation was P02 = 50 mm Hg; significant accumulation could be observed after 1 or 2 hr o...

journal_title：Experimental lung research

authors： Montgomery MR,Wyatt I,Smith LL

更新日期：1980-08-01 00:00:00

abstract：PURPOSE:This study was prospectively designed to investigate the effects of different concentrations of isoflurane (ISO) pretreatment on respiratory mechanics, oxygenation, and hemodynamics in lipopolysaccharide (LPS)-induced acute respiratory distress syndrome (ARDS) model of juvenile piglets. METHODS:Twenty-four pig...

journal_title：Experimental lung research

authors： Fu H,Sun M,Miao C

更新日期：2015-01-01 00:00:00

abstract：:The effects of activated leukocytes on surfactant function and composition were examined to better define the mechanisms by which acute inflammation contributes to respiratory distress syndrome (ARDS). Peripheral blood leukocytes from healthy volunteers were incubated in vitro with surfactant for 4 hours: (1) in the a...

journal_title：Experimental lung research

authors： Schochett P,Mora R,Mark L,Butler M,Ingenito EP

更新日期：1999-10-01 00:00:00

abstract：BACKGROUND:This study aims to explore the effect of thymoquinone (TQ) on particulate matter 2.5 (PM2.5)-induced lung injury. METHODS:The PM2.5 sample was provided by Shenyang Environment Monitor Central Station. Lung injury was established by intratracheal instillation PM2.5 (7.5 mg/kg) followed by TQ treatment (20 an...

journal_title：Experimental lung research

authors： Mao M,Li J,Bi A,Jia H,Li Q,Liu Y,Jiang X,Huang D,Xia S

更新日期：2020-10-01 00:00:00

abstract：:Hypercholesterolemia contributes to cardiovascular diseases, but its direct effect on lung is little known. 3-Hydroxy-3-methylglutaryl-coenzyme A (HMG-CoA) reductase inhibitors (statins) have been shown to exert numerous effects that are dependent and independent of their cholesterol-lowering property. The authors hyp...

journal_title：Experimental lung research

authors： Duan S,Zhang Y,Wu SJ,Jiang LZ,Zhang J,Gan Y,Chen P,Zhao SP,Li GY

更新日期：2010-12-01 00:00:00

abstract：:It is evident that much remains to be learned about the nasal passages and their responses to toxic materials. For the nose of both laboratory animals and humans, information is needed in the areas of anatomy, physiology, biochemistry, neurobiology, physiopathology, and oncology. This article briefly discussed toxic a...

journal_title：Experimental lung research

authors： Bonnefoi M,Monticello TM,Morgan KT

更新日期：1991-09-01 00:00:00

abstract：:Human and canine airway mucosal explants synthesize and secrete high molecular weight glycoconjugates, incorporating 14C-glucosamine, a radioactive precursor to epithelial glycoprotein. Our examination of secretions produced by several individual specimens, however, did not reveal epithelial glycoprotein of typical bu...

journal_title：Experimental lung research

authors： Bhaskar KR,O'Sullivan DD,Opaskar-Hincman H,Reid LM,Coles SJ

更新日期：1986-01-01 00:00:00

abstract：:Because high partial pressures of oxygen (O2) can cause peroxidative cleavage of membrane lipids, it is plausible to hypothesize that hyperoxia alters the physical state and composition of lipids in the membranes of pulmonary endothelial cells and that manipulation of the lipid profile may modify endothelial cell tole...

journal_title：Experimental lung research

authors： Block ER

更新日期：1988-01-01 00:00:00

abstract：:Prostaglandins (PGs) synthesized by fetal and neonatal lungs play pivotal roles in pulmonary physiology, especially during the transition from uterine to independent life. One regulator of prostaglandin synthesis at this time may be oxygen. We examined the effects of 1% O2, 21% O2 and 50% O2 in 5% CO2, balance N2 (PO2...

journal_title：Experimental lung research

authors： Olson DM,Tanswell AK

更新日期：1987-01-01 00:00:00