abstract：:Aerosol bolus dispersion was measured in the first branching generations of a replicate hollow cast. The cast was made from a solid cast of a beagle-dog tracheobronchial tree. The dispersion was measured after penetration of boluses into different volumetric depths, with different particle sizes and flow rates into th...

journal_title：Experimental lung research

authors： Scheuch G,Stahlhofen W,Fang CP,Lippmann M

更新日期：1995-07-01 00:00:00

abstract：:Endothelin-1 (ET-1) has constrictor and mitogenic effects on airway smooth muscle strips and cultured cells, respectively. This study addresses the type of the ET receptor subtype(s) present on ovine airway smooth muscle cells and the possibility of autocrine effects. The expression of the preproendothelin-1 gene was ...

journal_title：Experimental lung research

authors： Ergul A,Glassberg MK,Wanner A,Puett D

更新日期：1995-05-01 00:00:00

abstract：:This study investigated whether interleukin-1 (IL-1) inhibitory activity in LPS-stimulated culture supernatants of alveolar macrophages and epithelioid cells obtained from rabbit lung granulomas induced by complete Freund's adjuvant (CFA) was identical to IL-1 receptor antagonist (IL-1ra) and examined the changes of I...

journal_title：Experimental lung research

authors： Shigenaga T,Abe Y,Miyazaki E,Kita S,Tsuda T

更新日期：1995-03-01 00:00:00

abstract：:The role of bombesin was investigated in the course of the pulmonary inflammation and fibrosis (PF) elicited by the intratracheal (IT) or intravenous (i.v.) administration of bleomycin in mice. Bleomycin-induced alveolitis was associated with an accumulation of cells, presumably macrophages, containing bombesin, as ev...

journal_title：Experimental lung research

authors： Piguet PF,Vesin C,Thomas F

更新日期：1995-03-01 00:00:00

abstract：:An IgM monoclonal antibody (1D9/B3) is characterized, which specifically recognizes basal cells of the upper airway epithelium. Although morphological features have been used to follow cell lineage and differentiation, an objective assessment of differentiation can be enhanced by characterizing the expression of speci...

journal_title：Experimental lung research

authors： Aitken ML,Villalon M,Pier M,Verdugo P,Nameroff M

更新日期：1995-01-01 00:00:00

abstract：:An improved method has been developed for separation of an enriched population of mouse type 2 pneumocytes, based on differential adherence and size fractionation of cells dissociated with trypsin. These cells were successfully maintained in primary culture in serum-free medium MCDB 201 supplemented with albumin, tran...

journal_title：Experimental lung research

authors： Kumar RK,Li W,O'Grady R

更新日期：1995-01-01 00:00:00

abstract：:Sirius Red staining is presented as a method for collagen determination, enabling quantitative morphometric measurements to be performed in locally defined tissue areas. The advantage of this method is especially shown for alveolar lung tissue. By excluding the bronchial areas in the tissue sections, the differences i...

journal_title：Experimental lung research

authors： Malkusch W,Rehn B,Bruch J

更新日期：1995-01-01 00:00:00

abstract：:It has been suggested that increased recruitment of phagocytes and subsequent clearance of particles may follow instillation of a leukocyte chemoattractant to lungs containing silica. The present study quantitated serially the silica content in alveolar spaces, in lung tissue and in hilar lymph nodes of mice that rece...

journal_title：Experimental lung research

authors： Adamson IY,Prieditis H,Bowden DH

更新日期：1994-05-01 00:00:00

abstract：:Previous experiments with the sheep model of silicosis have demonstrated a reduction of the pathological activity of quartz after treatments with aluminum lactate (Al-lac), such as Al-lac pretreatment of intratracheally injected quartz or Al-lac inhalation of quartz-exposed animals. Preliminary data also suggested a m...

journal_title：Experimental lung research

authors： Dufresne A,Sébastien P,Michaud D,Perrault G,Bégin R

更新日期：1994-03-01 00:00:00

abstract：:CTP:cholinephosphate cytidylyltransferase (CT) is a key enzyme required for surfactant phosphatidylcholine synthesis, and its activity is regulated by lung lipids. This study evaluated the effect of epidermal growth factor (EGF) on the phospholipid content and the expression of CT in the lung following direct in vivo ...

journal_title：Experimental lung research

authors： Mallampalli RK,Salome RG,Hunninghake GW

更新日期：1994-01-01 00:00:00

abstract：:The diabetic pregnancy is characterized by a delay in the process of fetal lung maturation. To determine whether high glucose conditions per se have an adverse impact on fetal lung phospholipid metabolism, 20-day fetal rat lung explants were cultured in F-12 medium (10 mM glucose) to which glucose was added to achieve...

journal_title：Experimental lung research

authors： Gewolb IH

更新日期：1993-11-01 00:00:00

abstract：:It was hypothesized that IL-8, a neutrophil chemotaxin, contributes to the influx of neutrophils into the pleural cavity of patients with pleural effusions. Pleural fluids were collected from 57 patients including 13 with effusions due to congestive heart failure, 28 with pleural involvement by carcinoma, 5 with empye...

journal_title：Experimental lung research

authors： Miller EJ,Idell S

更新日期：1993-09-01 00:00:00

abstract：:Direct measurements of pleural fluid hydrostatic and colloid osmotic pressures after infusion of saline, bovine serum albumin, or silicone into the pleural space were coupled with ultrastructural morphometric analyses to assess the response of pleural mesothelial cells to hydrothorax. Increases of hydrostatic pressure...

journal_title：Experimental lung research

authors： Shumko JZ,Feinberg RN,Shalvoy RM,DeFouw DO

更新日期：1993-05-01 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：:Administering liposome-encapsulated drugs by aerosols could be a feasible way of targeting drugs to the lung, specifically to pulmonary alveolar macrophages (AM). In the mouse model, we characterized uptake of carboxyfluorescein- (CF-) labeled liposomes by AM in vivo after acute inhalation of liposome aerosols, and th...

journal_title：Experimental lung research

authors： Myers MA,Thomas DA,Straub L,Soucy DW,Niven RW,Kaltenbach M,Hood CI,Schreier H,Gonzalez-Rothi RJ

更新日期：1993-01-01 00:00:00

abstract：:The developmental regulation of the rabbit surfactant-associated proteins, SP-A, SP-B, and SP-C, was investigated using Northern blot analysis. These proteins comprise approximately 10% by weight of pulmonary surfactant, a lipoprotein secreted by type II cells that reduces surface tension at the air-alveolar interface...

journal_title：Experimental lung research

authors： Durham PL,Nanthakumar EJ,Snyder JM

更新日期：1992-11-01 00:00:00

abstract：:A cast of human tracheobronchial airways, which is complete to airways less than 0.1 cm in diameter, was employed for experimental studies of gas convective transport by high-frequency ventilation (HFV). The cast was ventilated with gases of different kinematic viscosity (He, air, and SF6) and tidal volumes of 10-60 m...

journal_title：Experimental lung research

authors： Fang CP,Cohen BS,Lippmann M

更新日期：1992-09-01 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：:Eprazinone therapy improves pulmonary function and arterial pO2 in patients with chronic bronchitis; however, the mechanism of action is unknown. The purpose of this study was to determine if eprazinone alters either lung surfactant levels in bronchoalveolar lavage fluid (BAL) of normal rats, or ion transport across c...

journal_title：Experimental lung research

authors： Thrall RS,Cloutier MM,Guernsey L,Swayne E,Gionfriddo M

更新日期：1992-05-01 00:00:00

abstract：:Male Sprague-Dawley rats were placed in hypobaric hypoxia for 17-21 d (FIO2 10%) to establish pulmonary hypertension (PH) and control rats were kept in normobaric room air. Right mean atrial and ventricular pressures (PRA, PRV) were recorded, left ventricular (LV) blood was collected, and lungs were perfused with hepa...

journal_title：Experimental lung research

authors： Keith IM,Ekman R

更新日期：1992-03-01 00:00:00

abstract：:A specific form of flavin monooxygenase has been identified in the lungs of a number of species. Distribution of the pulmonary flavin-containing monooxygenase (FMOp) is of interest because it oxidatively metabolizes a wide variety of nitrogen-, sulfur-, and phosphorous-containing xenobiotics, some of which form highly...

journal_title：Experimental lung research

authors： Overby L,Nishio SJ,Lawton MP,Plopper CG,Philpot RM

更新日期：1992-01-01 00:00:00

abstract：:The inhalation of inorganic dust can lead to the development of interstitial pulmonary fibrosis, characterized by the accumulation of fibroblasts and connective tissue matrix in the lung interstitium. The fibrosis causes alterations in the architecture of the lung parenchyma, resulting in abnormal gas exchange and hyp...

journal_title：Experimental lung research

authors： Schapira RM,Osornio-Vargas AR,Brody AR

更新日期：1991-11-01 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：:The role of the Clara and type II cell in the development of pulmonary tumors in the A/J mouse and Fischer rat was investigated by determining the relationship of DNA methylation and repair in pulmonary cells to oncogene activation and by characterizing the morphology of pulmonary tumors induced by treatment with 4-(m...

journal_title：Experimental lung research

authors： Belinsky SA,Devereux TR,White CM,Foley JF,Maronpot RR,Anderson MW

更新日期：1991-03-01 00:00:00

abstract：:This report describes the protocol for the strain A mouse lung tumor bioassay and summarizes results on selected chemicals that have been tested for carcinogenicity in the assay. The assay is of 6 months duration and can distinguish 2-fold differences in carcinogenic potential of compounds from several chemical classe...

journal_title：Experimental lung research

authors： Stoner GD

更新日期：1991-03-01 00:00:00

abstract：:A number of novel chemotactic cytokines are becoming increasingly recognized as important participants in the elicitation of specific inflammatory cells from the peripheral blood to sites of inflammation. Recent observations have now demonstrated that certain chemotactic cytokines possess specificity for the selected ...

journal_title：Experimental lung research

authors： Kunkel SL,Standiford T,Kasahara K,Strieter RM

更新日期：1991-01-01 00:00:00

abstract：:Verapamil, a calcium channel blocker has been used with partial success in cases of primary pulmonary hypertension, as well as to reduce hypoxia-induced pulmonary hypertension (PH) in rats. However, its effect on monocrotaline (MCT)-induced PH in rats is not known. We studied the effect of verapamil on MCT-induced PH....

journal_title：Experimental lung research

authors： Mathew R,Guzowski DE,Gloster ES

更新日期：1990-11-01 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：:Confluent cultures of primary hamster tracheal surface epithelial cells are highly enriched with secretory cells resembling airway goblet cells. The cultures secrete lipids, most of which appear to be associated with high-molecular-weight mucinlike glycoproteins (HMW MLGP). In the present communication, we examined th...

journal_title：Experimental lung research

authors： Kim KC,Singh BN

更新日期：1990-05-01 00:00:00

abstract：:In both ovalbumin-sensitized and ovalbumin-challenged guinea pigs, the phospholipid content of bronchoalveolar lavage fluid is decreased with respect to that of controls. In the sensitized guinea pig, the activity of lung membrane phospholipase is increased and the phospholipid content of lung membranes is decreased. ...

journal_title：Experimental lung research

authors： Rami J,Brondel L,Rivière D,Besombes JP

更新日期：1990-03-01 00:00:00

abstract：:We have previously shown that intratracheally instilled silica (quartz) produces both morphologic evidence of emphysema and small-airway changes, and functional evidence of airflow obstruction. To further define the nature of the airflow-associated lesions induced by silica, we compared silica-exposed rats to rats giv...

journal_title：Experimental lung research

authors： Churg A,Hobson J,Wright J

更新日期：1989-12-01 00:00:00

abstract：:We compared the effects of dexamethasone given to rats from age 4 to 14 days, on alveolar development at age 99 days. Judged by similar nose-to-tail length and body weight, somatic growth was not altered by dexamethasone treatment. Lung volumes in both air- and saline-filled lungs and mean chord length (Lm) were incre...

journal_title：Experimental lung research

authors： Sahebjami H,Domino M

更新日期：1989-12-01 00:00:00

abstract：:The molecular events involved in both the initiation and development of silicosis are at present poorly defined, although mediators released from macrophages exposed to silica particles are believed to play a role. We have investigated the in vitro production of arachidonic acid (AA) metabolites in adherent bovine alv...

journal_title：Experimental lung research

authors： Englen MD,Taylor SM,Laegreid WW,Liggitt HD,Silflow RM,Breeze RG,Leid RW

更新日期：1989-07-01 00:00:00

abstract：:Chlorinated amines are long-lived oxidants released from inflammatory cells. They have been observed to alter the function of important inflammatory molecules. Whether they can contribute directly to the inflammatory alteration of cellular barriers is not known. Monolayers of cultured porcine pulmonary artery endothel...

journal_title：Experimental lung research

authors： Shasby DM,Hampson F

更新日期：1989-05-01 00:00:00

abstract：:The effect of glucocorticoids on the response of adenylate cyclase in fetal rat lung fibroblast and Type II epithelial cell cultures to beta-agonists and prostaglandin E2 (PGE2) was investigated. There was significant stimulation of cyclic AMP synthesis by adrenalin in both fibroblasts and Type II cells, which was pot...

journal_title：Experimental lung research

authors： Skinner SJ,Lowe C,Ashby CJ,Liggins GC

更新日期：1989-05-01 00:00:00

abstract：:Sex-related differences may be present during fetal lung growth and at the onset of surfactant synthesis. In this study we investigated the role of dihydrotestosterone (DHT) and estrogen (EST) on cell division and on labeled palmitate incorporation into disaturated phosphatidylcholine (DSPC) at various times of gestat...

journal_title：Experimental lung research

authors： McMillan EM,King GM,Adamson IY

更新日期：1989-03-01 00:00:00

abstract：:Intratracheal bleomycin induces pulmonary fibrosis in experimental animals, but the mechanisms involved are poorly understood. Since altered levels of fatty acid metabolites are associated with bleomycin-induced lung injury, we examined the effects of a change in dietary fat on bleomycin-induced fibrosis. Previously w...

journal_title：Experimental lung research

authors： Kennedy JI Jr,Chandler DB,Fulmer JD,Wert MB,Grizzle WE

更新日期：1989-03-01 00:00:00

abstract：:Intraphagosomal pH in rabbit alveolar macrophages was studied using amorphous silica particles (FSP) and yeast particles (FYP) labeled with fluorescein. The pH was estimated from the quotient between the fluorescence intensity at wavelength 519 nm with excitation at wavelengths 495 and 450 nm. Within a factor of 10, p...

journal_title：Experimental lung research

authors： Nyberg K,Johansson A,Camner P

更新日期：1989-01-01 00:00:00

abstract：:We studied lung clearance of technetium-labeled diethylenetriamine pentaacetic acid [( 99mTc]DTPA), plasma and bronchoalveolar lavage fluid (BALF) concentrations of 6-keto-PGF1 alpha (stable metabolite of prostacyclin, prostaglandin I2, PGI2), TxB2 (stable metabolite of thromboxane A2, TxA2), and leukotriene B4 (LTB4)...

journal_title：Experimental lung research

authors： Witten ML,Quan SF,Sobonya RE,Bruck D,Devine L,Lemen RJ

更新日期：1988-01-01 00:00:00

abstract：:Recently there has been a great deal of interest in exploring possible ways to protect the lung from oxidant damage. Since sulfhydryl compounds are among the most important endogenous antioxidants, their therapeutic use has been proposed. Glutathione (GSH), the main intracellular nonprotein sulfhydryl, plays an import...

journal_title：Experimental lung research

authors： Patterson CE,Rhoades RA

更新日期：1988-01-01 00:00:00