abstract：:Vascular endothelial growth factor (VEGF) is a potent peptide growth factor specific for vascular endothelial cells, which promotes neovascularization and increases vascular permeability in vivo. Enhanced microvascular permeability and edema are common characteristics of inflammatory and neoplastic disorders. Two proi...

journal_title：American journal of respiratory cell and molecular biology

authors： Nauck M,Roth M,Tamm M,Eickelberg O,Wieland H,Stulz P,Perruchoud AP

更新日期：1997-04-01 00:00:00

abstract：:Humans and rodents exposed to an aerosol of asbestos fibers develop lung injury that can lead to a fibroproliferative response culminating in excessive scarring and impaired lung function. To define the early events that precede asbestos-induced fibrotic lung disease, rats were exposed to an aerosol of chrysotile asbe...

journal_title：American journal of respiratory cell and molecular biology

authors： Mishra A,Liu JY,Brody AR,Morris GF

更新日期：1997-04-01 00:00:00

abstract：:Bombesin-like peptides within neuroepithelial cells elicit proliferation of normal and malignant airway epithelial cells. It is not clear that these peptides also elicit epithelial cell migration, a necessary component of airway repair after injury. We studied the effects of the bombesin analogues, gastrin releasing p...

journal_title：American journal of respiratory cell and molecular biology

authors： Kim JS,McKinnis VS,White SR

更新日期：1997-03-01 00:00:00

abstract：:Recent evidence suggests that the surface fluid secreted by human airway epithelial cells contains antimicrobial activity. The identification of the factor(s) responsible for the antibacterial activity in airway surface fluid may bring new insights into lung defense mechanisms and the pathogenesis of disease. Defensin...

journal_title：American journal of respiratory cell and molecular biology

authors： McCray PB Jr,Bentley L

更新日期：1997-03-01 00:00:00

abstract：:The lung is richly supplied with peptidergic nerves that store and secrete substance P (SP), vasoactive intestinal peptide (VIP), and other neuropeptides known to potently modulate leukocyte function in vitro and airway inflammation in vivo. To investigate and characterize neuromodulation of immune responses compartme...

journal_title：American journal of respiratory cell and molecular biology

authors： Kaltreider HB,Ichikawa S,Byrd PK,Ingram DA,Kishiyama JL,Sreedharan SP,Warnock ML,Beck JM,Goetzl EJ

更新日期：1997-02-01 00:00:00

abstract：:Airway epithelial cells cultured at the air-liquid interface possess highly differentiated functions and structures compared with the cells cultured under immersion. We examined the oxidative metabolism and glycolysis in cow tracheal epithelial cells on Days 3, 6, 10, and 13, cultured under three different conditions:...

journal_title：American journal of respiratory cell and molecular biology

authors： Kondo M,Tamaoki J,Sakai A,Kameyama S,Kanoh S,Konno K

更新日期：1997-01-01 00:00:00

abstract：:Recently, we described the isolation through fluorescent-activated cell sorting (FACS) of low autofluorescent (LAF) cells from human bronchoalveolar lavage (BAL). These LAF cells displayed an immunophenotype comparable with that of dendritic cells (DC), and showed a high potency to stimulate naive T cells. In the stud...

journal_title：American journal of respiratory cell and molecular biology

authors： van Haarst JM,Verhoeven GT,de Wit HJ,Hoogsteden HC,Debets R,Drexhage HA

更新日期：1996-12-01 00:00:00

abstract：:An NADPH-oxidase complex containing at least two protein components (gp91-phox and p22-phox) and a unique low redox potential (-245 mV) cytochrome b-245 is the source of superoxide generated for bacterial killing in neutrophils and has been suggested as the oxygen sensor in the carotid body. In pure cultures of smooth...

journal_title：American journal of respiratory cell and molecular biology

authors： Marshall C,Mamary AJ,Verhoeven AJ,Marshall BE

更新日期：1996-11-01 00:00:00

abstract：:Patients with systemic hypertension of various etiologies maintain their pulmonary artery pressures within normal limits. We have reported in isolated perfused rat lungs that low basal tone appears to be regulated by nitric oxide (NO)-dependent and -independent mechanisms of soluble guanylate cyclase activation, and s...

journal_title：American journal of respiratory cell and molecular biology

authors： Itani MM,Talerico MG,Pino PA,Burke-Wolin T

更新日期：1996-10-01 00:00:00

abstract：:Monkey Clara cell 10 kDa protein (CC10) was purified from monkey lung lavage. This protein showed an apparent molecular weight of about 10 kDa and 5 kDa under non-reducing and reducing conditions, respectively, as determined by sodium dodecyl sulfate-polyacrylamide gel electrophoresis. From the amino acid sequence dat...

journal_title：American journal of respiratory cell and molecular biology

authors： Hashimoto S,Nakagawa K,Sueishi K

更新日期：1996-09-01 00:00:00

abstract：:It had been thought that the central molecular event in the malignant transformation of a cell is the mutation of certain oncogenes-and the resultant dysregulated activation of their encoded proteins. During the past decade, however, it has become clear that alteration of the activity of the protein products of tumor ...

journal_title：American journal of respiratory cell and molecular biology

authors： Weintraub SJ

更新日期：1996-08-01 00:00:00

abstract：:Primary hamster tracheal surface epithelial (HTSE) cells carry mucin-like glycoproteins on the apical surface which are releasable by neutrophil elastase. In some cancer cells, mucins are localized on the cell surface and have been shown to be encoded by the MUC1 mucin gene. The objectives of the present experiments w...

journal_title：American journal of respiratory cell and molecular biology

authors： Park H,Hyun SW,Kim KC

更新日期：1996-08-01 00:00:00

abstract：:Tumor necrosis factor alpha (TNF alpha) is a potentially important cytokine in allergic respiratory reactions since it is released by mast cells and eosinophils, and it can promote mediator and cytokine release, adhesion molecule expression, and granulocyte migration. Therefore, we induced an IgE-mediated response in ...

journal_title：American journal of respiratory cell and molecular biology

authors： Casale TB,Costa JJ,Galli SJ

更新日期：1996-07-01 00:00:00

abstract：:Inhalation of the pulmonary irritant ozone is associated with an accumulation of macrophages in the lung. These cells, along with type II epithelial cells, are activated to release increased quantities of hydrogen peroxide and nitric oxide, two reactive mediators that have been implicated in tissue injury. In the pres...

journal_title：American journal of respiratory cell and molecular biology

authors： Pendino KJ,Gardner CR,Shuler RL,Laskin JD,Durham SK,Barton DS,Ohnishi ST,Ohnishi T,Laskin DL

更新日期：1996-06-01 00:00:00

abstract：:Histamine was one of the first inflammatory mediators thought to be important in the pathophysiology of asthma, but it is not now thought to be a mediator with primary importance in airway constriction. However, histamine has several effects that may be relevant. One of these effects, its immunoregulatory role, has be...

journal_title：American journal of respiratory cell and molecular biology

authors： Bissonnette EY

更新日期：1996-06-01 00:00:00

abstract：:Tumor necrosis factor (TNF) is an inflammatory cytokine produced by many cell types which may contribute to the pathophysiology of a variety of lung diseases. In this study we have used Ro 45-2081 (a soluble receptor composed of the human p55 TNF receptor and human heavy-chain immunoglobulin G) to explore the role of ...

journal_title：American journal of respiratory cell and molecular biology

authors： Gater PR,Wasserman MA,Paciorek PM,Renzetti LM

更新日期：1996-05-01 00:00:00

abstract：:We have developed a method to harvest and culture Clara cells isolated from guinea pig lungs. Their identity was confirmed by the presence of CC16kD protein specific for these cells; we studied their capacity to generate endothelin 1 (ET-1). Using monoclonal antibody and immunofluorescence techniques, ET-1 was localiz...

journal_title：American journal of respiratory cell and molecular biology

authors： Laporte J,D'Orléans-Juste P,Sirois P

更新日期：1996-04-01 00:00:00

abstract：:Although neuroanatomical and neurophysiological features of neurons in the ferret trachea have been studied, the neural mediators associated with this plexus have not been completely characterized. The purpose of this study was to examine the occurrence of choline acetyltransferase (ChAT), nitric oxide synthase (NOS),...

journal_title：American journal of respiratory cell and molecular biology

authors： Dey RD,Altemus JB,Rodd A,Mayer B,Said SI,Coburn RF

更新日期：1996-03-01 00:00:00

abstract：:Polymorphonuclear neutrophil (PMN) migration across basement membrane is thought to be dependent on the degradation of membrane constituents. PMN gelatinase B, a metalloproteinase able to degrade type IV collagen, may be involved in this phenomenon. PMN gelatinase B is released in the extracellular medium as a latent ...

journal_title：American journal of respiratory cell and molecular biology

authors： Delclaux C,Delacourt C,D'Ortho MP,Boyer V,Lafuma C,Harf A

更新日期：1996-03-01 00:00:00

abstract：:Tert-butylhydroquinone (TBHQ) is a monofunctional Phase II enzyme inducer, which produces reactive oxygen species. Incubation with a sublethal concentration of TBHQ increased the activities of both gamma-glutamyl transpeptidase (GGT) and gamma-glutamylcysteine synthetase (GCS), although the mechanisms are different (L...

journal_title：American journal of respiratory cell and molecular biology

authors： Liu RM,Hu H,Robison TW,Forman HJ

更新日期：1996-02-01 00:00:00

abstract：:Gene therapy is the treatment of any disorder or pathophysiologic state based upon the transfer of genetic information. The lung represents a major target of gene therapy for the treatment of genetic disorders such as cystic fibrosis and alpha 1-antitrypsin deficiency. Other diseases are also being targeted, including...

journal_title：American journal of respiratory cell and molecular biology

authors： Curiel DT,Pilewski JM,Albelda SM

更新日期：1996-01-01 00:00:00

abstract：:Recent in vitro studies have suggested that interleukin-4 (IL-4) may be involved in the preferential migration of eosinophils into the airways in allergic asthma through its capacity to selectively increase vascular cell adhesion molecule-1 (VCAM-1) expression on vessels. To test this hypothesis, we studied the expres...

journal_title：American journal of respiratory cell and molecular biology

authors： Fukuda T,Fukushima Y,Numao T,Ando N,Arima M,Nakajima H,Sagara H,Adachi T,Motojima S,Makino S

更新日期：1996-01-01 00:00:00

abstract：:Specific changes in composition and content of lung extracellular matrix (ECM) proteoglycans (PGs) and hyaluronan (HA) have been observed during the acute response to damage in several forms of injury including infant respiratory distress syndrome (IRDS). These ECM components are thought to modulate the healing respon...

journal_title：American journal of respiratory cell and molecular biology

authors： Juul SE,Krueger RC Jr,Scofield L,Hershenson MB,Schwartz NB

更新日期：1995-12-01 00:00:00

abstract：:Inflammatory lung disease is associated with increased epithelial permeability, but it is unclear how inflammatory cells alter epithelial permeability. Neutrophils have azurophilic granules containing elastase, cathepsin G, and defensins which are released at sites of inflammation. Experiments using whole animals and ...

journal_title：American journal of respiratory cell and molecular biology

authors： Peterson MW,Walter ME,Nygaard SD

更新日期：1995-12-01 00:00:00

abstract：:We have tested the murine macrophagic cell line RAW 264.7 for its ability to undergo activation after exposure to silica particles in vitro. When exposed to silica under controlled conditions (each cell having access to about 10 silica particles), RAW 264.7 cells were able to phagocytose the particles. Concomitantly, ...

journal_title：American journal of respiratory cell and molecular biology

authors： Claudio E,Segade F,Wróbel K,Ramos S,Lazo PS

更新日期：1995-11-01 00:00:00

abstract：:Adenosine triphosphate (ATP) acting through epithelial nucleotide receptors exerts multiple physiologic actions on airway mucociliary clearance and caliber. However, the effect of ATP on arachidonate metabolism in the airway remains unknown. In this study, the ability of ATP to regulate eicosanoid production was studi...

journal_title：American journal of respiratory cell and molecular biology

authors： Aksoy MO,Borenstein M,Li XX,Kelsen SG

更新日期：1995-10-01 00:00:00

abstract：:Fibroblasts are the central target cell in pulmonary fibrotic diseases, and their proliferation is mediated largely by platelet-derived growth factor (PDGF) isoforms secreted by activated lung macrophages. Several other macrophage-derived cytokines that are increased during fibrogenesis, including interleukin-1 beta a...

journal_title：American journal of respiratory cell and molecular biology

authors： Bonner JC,Badgett A,Lindroos PM,Osornio-Vargas AR

更新日期：1995-10-01 00:00:00

abstract：:Interleukin-5 (IL-5) is important in the control of differentiation, migration, and activation of eosinophils. In order to study the role of IL-5 in the development of eosinophilic inflammation of the airways, we have used a monoclonal antibody to murine IL-5 (TRFK-5) in a murine model of allergic pulmonary inflammati...

journal_title：American journal of respiratory cell and molecular biology

authors： Kung TT,Stelts DM,Zurcher JA,Adams GK 3rd,Egan RW,Kreutner W,Watnick AS,Jones H,Chapman RW

更新日期：1995-09-01 00:00:00

abstract：:Hyperplasia of airway smooth muscle cells is present in the airways of asthmatic patients and may contribute to the development of the bronchial hyperresponsiveness that occurs in these patients. Because tryptase is an abundant component of mast cell granules and has demonstrated growth-stimulatory effects in other me...

journal_title：American journal of respiratory cell and molecular biology

authors： Brown JK,Tyler CL,Jones CA,Ruoss SJ,Hartmann T,Caughey GH

更新日期：1995-08-01 00:00:00

abstract：:Activin A is a homodimeric protein structurally and functionally related to transforming growth factor beta (TGF-beta), and the expression of activin A is modulated by TGF-beta. Here, we demonstrate the expression of activin A in normal and bleomycin (BLM)-treated murine lungs. ICR mice were treated with BLM intraperi...

journal_title：American journal of respiratory cell and molecular biology

authors： Matsuse T,Fukuchi Y,Eto Y,Matsui H,Hosoi T,Oka T,Ohga E,Nagase T,Orimo H

更新日期：1995-07-01 00:00:00

abstract：:In this study, we have used the rat model of hyperoxia to examine the molecular responses to oxidative stress in lung. We show that in addition to the antioxidant enzyme manganese superoxide dismutase, expression of a variety of stress-responsive genes including heme oxygenase-1, c-fos, c-jun, CAAT-enhancer binding pr...

journal_title：American journal of respiratory cell and molecular biology

authors： Choi AM,Sylvester S,Otterbein L,Holbrook NJ

更新日期：1995-07-01 00:00:00

abstract：:Sarcoidosis is characterized by the accumulation of activated lymphocytes in the lungs and other organs and by the spontaneous production of the active form of vitamin D, calcitriol. We hypothesized that calcitriol may modulate the responsiveness of human lymphocytes to the relevant biologic mediator, interleukin-2 (I...

journal_title：American journal of respiratory cell and molecular biology

authors： Fraher LJ,Caveney AN,McFadden RG

更新日期：1995-06-01 00:00:00

abstract：:We have previously identified two integrins, alpha 9 beta 1 and alpha v beta 6, from guinea pig airway epithelium. The extracellular matrix protein tenascin is a ligand for both of these receptors, and fibronectin is also a ligand for alpha v beta 6. In the present study, we used immunohistochemistry to examine the ex...

journal_title：American journal of respiratory cell and molecular biology

authors： Weinacker A,Ferrando R,Elliott M,Hogg J,Balmes J,Sheppard D

更新日期：1995-05-01 00:00:00

abstract：:Surfactant protein D (SP-D) is believed to contribute to nonimmune host defense within the alveoli and distal airways of the lung. SP-D molecules can bind to specific carbohydrates on the surface of bacterial, fungal, and viral organisms and can also interact with membrane glycoconjugates expressed by alveolar macroph...

journal_title：American journal of respiratory cell and molecular biology

authors： Crouch EC,Persson A,Griffin GL,Chang D,Senior RM

更新日期：1995-04-01 00:00:00

abstract：:T helper 2 (Th2)-like cytokines are thought to play a crucial role in the pathogenesis of airway inflammation in atopic asthma, leading to bronchial hyperresponsiveness. To investigate the role of the principal Th2 cytokine interleukin-4 (IL-4) in asthma, we examined the allergen-induced changes in airway morphology a...

journal_title：American journal of respiratory cell and molecular biology

authors： Brusselle G,Kips J,Joos G,Bluethmann H,Pauwels R

更新日期：1995-03-01 00:00:00

abstract：:Endotoxin lipopolysaccharide and the cytokines, tumor necrosis factor (TNF) and interleukin-1 (IL-1), are known to protect adult rats against O2 toxicity. However, whether the effect of endotoxin is mediated by these cytokines is not clear. We have previously demonstrated that depletion of 84% rat alveolar macrophages...

journal_title：American journal of respiratory cell and molecular biology

authors： Tang G,White JE,Lumb PD,Lawrence DA,Tsan MF

更新日期：1995-03-01 00:00:00

abstract：:The molecular mechanisms behind the accumulation of hyaluronan during bleomycin-induced lung injury in rats were investigated. The stimulatory effects of bronchoalveolar lavage fluid (BALF) and alveolar macrophage (AM)-conditioned media on hyaluronan synthesis in normal rat lung fibroblast cultures were studied as wel...

journal_title：American journal of respiratory cell and molecular biology

authors： Teder P,Nettelbladt O,Heldin P

更新日期：1995-02-01 00:00:00

abstract：:The hydroxyl radical (.OH) is a highly reactive oxygen free radical that has been implicated as a cause of lung injury following exposure to silica and silicates. Despite evidence that silica generates .OH in vitro, there has been no previous demonstration of in vivo production of .OH after exposure to nonfibrous mine...

journal_title：American journal of respiratory cell and molecular biology

authors： Schapira RM,Ghio AJ,Effros RM,Morrisey J,Almagro UA,Dawson CA,Hacker AD

更新日期：1995-02-01 00:00:00

abstract：:Serum contains a number of polypeptide growth factors, hormones, and soluble matrix components and may influence the state of differentiation of epithelial cells in general and of alveolar epithelial cells (AEC) in particular. To evaluate the influence of sera on the transition from the type II toward the type I cell ...

journal_title：American journal of respiratory cell and molecular biology

authors： Borok Z,Hami A,Danto SI,Zabski SM,Crandall ED

更新日期：1995-01-01 00:00:00

abstract：:The dynamics and mechanisms of extracellular release of hydrogen peroxide (H2O2) from bovine pulmonary artery endothelial cells (EC) subjected to anoxia, hypoxia, and hypoxia followed by reoxygenation were examined using various inhibitors of enzymatic systems in intact cells and by direct measurement of H2O2 producti...

journal_title：American journal of respiratory cell and molecular biology

authors： Zulueta JJ,Yu FS,Hertig IA,Thannickal VJ,Hassoun PM

更新日期：1995-01-01 00:00:00