abstract：:Electrical stimulation of the cervical vagus nerve of rats is known to increase vascular permeability in the trachea. In the present study, we sought to further characterize this neurogenic inflammatory response by defining the relationship between the parameters of electrical stimulation of the vagus nerve and the ma...

journal_title：Experimental lung research

authors： Brokaw JJ,McDonald DM

更新日期：1988-01-01 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：: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：: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

abstract：:The central intrapulmonary bronchi of hamsters were examined by transmission electron microscopy at varying times following intratracheal instillation of human neutrophil elastase (HNE) or its vehicle, saline. Two hours after HNE treatment, there was a marked irregularity of the surfaces of many nonciliated epithelial...

journal_title：Experimental lung research

authors： Christensen TG,Breuer R,Hornstra LJ,Lucey EC,Stone PJ,Snider GL

更新日期：1987-01-01 00:00:00

abstract：:In a recent study of the sheep tracheal lobe model, we have demonstrated that surface chemistry modification of quartz by aluminum lactate significantly alters the biological activity of quartz for at least 2 months after exposure. In the present study, we have extended our observations of the biological reaction of t...

journal_title：Experimental lung research

authors： Bégin R,Massé S,Sébastien P,Martel M,Bossé J,Dubois F,Geoffroy M,Labbé J

更新日期：1987-01-01 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：:We studied lung clearance of aerosolized technetium-labeled diethylenetriamine pentaacetic acid (99mTcDTPA), plasma concentrations of 6-keto-PGF1 alpha and thromboxane B2, and pulmonary edema as indices of lung injury in rabbits exposed to cigarette smoke (CSE). Forty-six rabbits were randomly assigned to 4 groups: co...

journal_title：Experimental lung research

authors： Witten ML,Lemen RJ,Quan SF,Sobonya RE,Magarelli JL,Bruck DC

更新日期：1987-01-01 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：:Acute exposure to NO2 is reported to disrupt tight junctions in lung epithelium. We have studied the effects of chronic NO2 exposure and recovery breathing clean air to tight junctions of distal airway and alveolar epithelium. Syrian Golden hamsters were exposed to NO2 (30 PPM) for 5 or 9 months and a group of those a...

journal_title：Experimental lung research

authors： Gordon RE,Solano D,Kleinerman J

更新日期：1986-01-01 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：:The cigarette smoke-induced rat model of chronic bronchitis was used to study the time course of the return of cigarette smoke-induced secretory cell hyperplasia to the normal and the capacity of two non-steroidal anti-inflammatory drugs to speed this recovery. Cigarette smoke alone significantly increased (P less tha...

journal_title：Experimental lung research

authors： Rogers DF,Jeffery PK

更新日期：1986-01-01 00:00:00

abstract：:Three-day-old rabbits were given intratracheal injections of radiolabeled natural sheep surfactant, rabbit surfactant, or liposomes of dipalmitoylphosphatidylcholine that contained greater than three times the quantity of phosphatidylcholine present in the endogenous surfactant pool. The recoveries of radiolabeled pho...

journal_title：Experimental lung research

authors： Oguchi K,Ikegami M,Jacobs H,Jobe A

更新日期：1985-01-01 00:00:00

abstract：:The morphology and phagocytic capacities of pulmonary macrophages recovered by lavage from normal rats were studied in vitro after incubation under various culture conditions. Most adherent macrophages (73 +/- 6%) were flat and exhibited ruffled surfaces. Phagocytosis of carbonyl iron beads by pulmonary macrophages wa...

journal_title：Experimental lung research

authors： Warheit DB,Hill LH,Brody AR

更新日期：1984-01-01 00:00:00

abstract：:Amiodarone, a cardiac antiarrhythmic agent, has been associated with the development of interstitial pulmonary fibrosis in patients receiving prolonged therapy with the drug. To further assess the toxic effects of amiodarone on lung tissue, Syrian hamsters were given a single intratracheal insufflation of the agent an...

journal_title：Experimental lung research

authors： Cantor JO,Osman M,Cerreta JM,Suarez R,Mandl I,Turino GM

更新日期：1984-01-01 00:00:00

abstract：:The percentage 24-h lung retention of 4-micrometers monodispersed Teflon particles, aerodynamic diameter about 6 micrometers, was studied twice in 8 healthy nonsmokers. The particles were inhaled at 0.5 liter/sec with maximally deep breaths. Bronchoconstriction was induced by inhalation of a methacholine-bromide aeros...

journal_title：Experimental lung research

authors： Svartengren M,Philipson K,Linnman L,Camner P

更新日期：1984-01-01 00:00:00

abstract：:Biochemical characterization of human respiratory mucus has generally utilized expectorated specimens. In order to exclude extraneous contaminants in the analysis of airway glycoproteins, human airways were cultured and the mucous glycoprotein released into the supernatant analyzed. By incorporating 3H-labeled glucosa...

journal_title：Experimental lung research

authors： Shelhamer JH,Marom Z,Logun C,Kaliner M

更新日期：1984-01-01 00:00:00

abstract：:Investigators disagree on the amount of hydrogen peroxide (H2O2) released by resting and stimulated alveolar macrophages. The method commonly used to measure H2O2 release involves horseradish peroxidase (HRP)-catalyzed oxidation of scopoletin by H2O2. We describe an artifact in this method that may explain the seeming...

journal_title：Experimental lung research

authors： Van Scott MR,Miles PR,Castranova V

更新日期：1984-01-01 00:00:00

abstract：:We investigated the distribution of adrenergic receptors in ferret trachea using autoradiography. [3H]Dihydroalprenolol, used to identify beta-adrenoceptors, revealed a high density of specific binding sites over surface epithelium and submucosal glands, with less labelling of smooth muscle. [3H]prazosin labelling sho...

journal_title：Experimental lung research

authors： Barnes PJ,Basbaum CB

更新日期：1983-11-01 00:00:00

abstract：:Hypothyroid adult rats were injected intravenously with [3, 5, 3'-125I]triiodothyronine (T3) or [125I]thyroxine (T4). Others were similarly treated except for the addition of a 500-fold excess of the appropriate unlabeled hormone. Light microscopic autoradiography of semithin sections of lung from these animals demons...

journal_title：Experimental lung research

authors： Smith DM,Hitchcock KR

更新日期：1983-09-01 00:00:00

abstract：:In vitro observations of fetal lung maturation are complicated by continued epithelial cell maturation in culture. Removal of trace quantities of cortisol from the culture system has been reported elsewhere by Torday to prevent epithelial cell differentiation, but also prevent cell growth. In this report we have devel...

journal_title：Experimental lung research

authors： Tanswell AK,Joneja MG,Lindsay J,Vreeken E

更新日期：1983-07-01 00:00:00

abstract：:The structural features of the ovine pleura are described using light, scanning, and transmission electron microscopy. Extensive sampling of the visceral and parietal pleura revealed considerable variation in both surface morphology and pleural interstitial anatomy. Variations of mesothelial surface were encountered a...

journal_title：Experimental lung research

authors： Mariassy AT,Wheeldon EB

更新日期：1983-05-01 00:00:00

abstract：:This study describes the morphology of the adaptive response of the pulmonary parenchyma after the resection of lung tissue. Rats aged 23 days were subjected to the bilobectomy of the right upper and middle lobes representing 25% of the total lung volume. On the postoperative Days 1, 4, 6, 9, 12, 18, and 30, the lungs...

journal_title：Experimental lung research

authors： Burri PH,Pfrunder HB,Berger LC

更新日期：1982-12-01 00:00:00

abstract：:Activity for nonspecific esterases has been demonstrated histochemically in fetal rabbit lungs using alpha-naphthyl acetate as substrate. Commencing with a homogeneous distribution in pseudoglandular lungs, activity gradually heightens in the epithelium, progresses centrifugally along the bronchial tree, and reaches f...

journal_title：Experimental lung research

authors： Sorokin SP,Hoyt RF Jr

更新日期：1982-11-01 00:00:00

abstract：:Lamellar bodies, the intracellular storage form of pulmonary surfactant, were isolated from adult human lung tissue. As shown by electron microscopy, the isolated human lamellar bodies resembled the lamellar bodies isolated from experimental animals. Chemical analysis revealed that the lamellar bodies consisted largel...

journal_title：Experimental lung research

authors： Post M,Batenburg JJ,Schuurmans EA,Laros CD,van Golde LM

更新日期：1982-02-01 00:00:00

abstract：:Volcanic ash was collected from the Moses Lake region of Washington State after the 18 May 1980 eruption of Mt. St. Helens. The ash was tested in a short-term bioassay system using hamsters exposed by intratracheal instillation. One day after exposure the lungs were lavaged and the fluid collected was characterized us...

journal_title：Experimental lung research

authors： Beck BD,Brain JD,Bohannon DE

更新日期：1981-11-01 00:00:00

abstract：:Freeze-fracture was used to study the nonciliated epithelial (Clara) cell of rat bronchiole. En face views of the P face of the luminal cell membrane reveal particle-free bulging and circular depressions at the presumptive sites of the membrane fusion between the cell membrane and secretory granule membrane. Cross fra...

journal_title：Experimental lung research

authors： Yoneda K,Birk MG

更新日期：1981-08-01 00:00:00

abstract：:In order to investigate some of the characteristics of superoxide anion release from alveolar macrophages, the effects of substances known to influence superoxide release from polymorphonuclear leukocytes (PMN) were studied in rat alveolar macrophages. There is a relatively small, but constant, amount of superoxide re...

journal_title：Experimental lung research

authors： Sweeney TD,Castranova V,Bowman L,Miles PR

更新日期：1981-05-01 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：:Tannic acid was used as a mordant to enhance the preservation of lung phospholipids during fixation and processing for electron microscopy. We found multilamellar bodies within alveolar septa (including type I pneumocytes, capillary endothelial cells, and interstitium) which have not been described previously and whic...

journal_title：Experimental lung research

authors： Kalina M,Young SL

更新日期：1980-08-01 00:00:00

abstract：:Two morphologic characteristics have been used to define the nonciliated bronchiolar epithelial cell: abundant agranular endoplasmic reticulum (AER) and membrane-bound avoid granules. To assess the ultrastructural homogeneity of this cell type in the lungs of large domestic mammals used as experimental models in pulmo...

journal_title：Experimental lung research

authors： Plopper CG,Mariassy AT,Hill LH

更新日期：1980-06-01 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