Migration of guinea pig airway epithelial cells in response to bombesin analogues.

abstract：:Vascular endothelial growth factor (VEGF) is necessary for normal postnatal lung development and may underlie the structural lung damage that follows hyperoxic exposure. To determine the individual roles of VEGF receptors (VEGFR) 2 and 1 on postnatal lung growth, neonatal mice were treated with neutralizing antibodies...

journal_title：American journal of respiratory cell and molecular biology

authors： McGrath-Morrow SA,Cho C,Cho C,Zhen L,Hicklin DJ,Tuder RM

更新日期：2005-05-01 00:00:00

abstract：:To examine the effects of acid exposure with moderate acidity (pH 3.0-5.0) on bactericidal activity of airway surface liquid (ASL), ASL was collected by washing the surface of primary cultures of human tracheal epithelial cells 24 h after treatment with phosphate-buffered saline (PBS) adjusted to a pH of 3.0, 4.0, or ...

journal_title：American journal of respiratory cell and molecular biology

authors： Nakayama K,Jia YX,Hirai H,Shinkawa M,Yamaya M,Sekizawa K,Sasaki H

更新日期：2002-01-01 00:00:00

abstract：:Although neutrophils play critical roles in innate immunity, in excess these cells cause severe tissue damage. Thus, neutrophil activation must be tightly regulated to prevent indiscriminant damage. Previously, we reported that mice lacking matrix metalloproteinase (MMP) 7 are protected from lung injury owing to marke...

journal_title：American journal of respiratory cell and molecular biology

authors： Gill SE,Nadler ST,Li Q,Frevert CW,Park PW,Chen P,Parks WC

更新日期：2016-08-01 00:00:00

abstract：:It is known that interleukin (IL)-23, an IL-12-family cytokine, can be released by certain antigen-presenting cells in response to bacterial pathogens. Recent in vitro studies indicate that this cytokine stimulates a unique subset of CD4 cells, the T helper cell (Th)17 subset, to produce and release the proinflammator...

journal_title：American journal of respiratory cell and molecular biology

authors： Ivanov S,Bozinovski S,Bossios A,Valadi H,Vlahos R,Malmhäll C,Sjöstrand M,Kolls JK,Anderson GP,Lindén A

更新日期：2007-04-01 00:00:00

abstract：:Polymorphonuclear leukocytes (PMN) release gelatinase B in response to variable stimuli. Gelatinase B degrades basement membrane components in vitro, and inhibition of matrix metalloproteinase activity blunts PMN migration through a prototype basement membrane (Matrigel) and amnionic membranes. Accordingly, it has bee...

journal_title：American journal of respiratory cell and molecular biology

authors： Betsuyaku T,Shipley JM,Liu Z,Senior RM

更新日期：1999-06-01 00:00:00

abstract：:Primary ciliary dyskinesia (PCD) is a genetically heterogeneous chronic destructive airway disease. PCD is traditionally diagnosed by nasal nitric oxide measurement, analysis of ciliary beating, transmission electron microscopy (TEM), and/or genetic testing. In most genetic PCD variants, laterality defects can occur. ...

journal_title：American journal of respiratory cell and molecular biology

authors： Cindrić S,Dougherty GW,Olbrich H,Hjeij R,Loges NT,Amirav I,Philipsen MC,Marthin JK,Nielsen KG,Sutharsan S,Raidt J,Werner C,Pennekamp P,Dworniczak B,Omran H

更新日期：2020-03-01 00:00:00

abstract：:Chlorine (Cl(2)) gas exposure poses an environmental and occupational hazard that frequently results in acute lung injury. There is no effective treatment. We assessed the efficacy of antioxidants, administered after exposure, in decreasing mortality and lung injury in C57BL/6 mice exposed to 600 ppm of Cl(2) for 45 m...

journal_title：American journal of respiratory cell and molecular biology

authors： Zarogiannis SG,Jurkuvenaite A,Fernandez S,Doran SF,Yadav AK,Squadrito GL,Postlethwait EM,Bowen L,Matalon S

更新日期：2011-08-01 00:00:00

abstract：:Gene expression for tropoelastin, the proprotein for elastin, was examined in the rat lung from 17 days of gestation (pseudoglandular stage) to adulthood by in situ hybridization using a rat-specific 35S-radiolabeled riboprobe. The tropoelastin message was present in vascular and airway smooth muscle, endothelial, sep...

journal_title：American journal of respiratory cell and molecular biology

authors： Noguchi A,Samaha H

更新日期：1991-12-01 00:00:00

abstract：:The objective of this study was to define phenotypic changes of antigen-presenting cells (APCs) and T cells in a murine model of antigen-induced airways inflammation that involves intraperitoneal sensitization with ovalbumin (OVA)/adjuvant followed by antigen aerosolization. We investigated the APC and T-cell compartm...

journal_title：American journal of respiratory cell and molecular biology

authors： Gajewska BU,Swirski FK,Alvarez D,Ritz SA,Goncharova S,Cundall M,Snider DP,Coyle AJ,Gutierrez-Ramos JC,Stämpfli MR,Jordana M

更新日期：2001-09-01 00:00:00

abstract：:We examined the contribution of the leukocyte function-associated antigen (LFA-1) in a murine model of lung inflammation determined by exposure to the thermophilic actinomycete Faeni rectivirgula. The exposure generated a large influx of cells in the bronchoalveolar space and in the lung parenchyma, as seen from enhan...

journal_title：American journal of respiratory cell and molecular biology

authors： Denis M,Bisson D

更新日期：1994-05-01 00:00:00

abstract：:Oxidants in cigarette smoke inhibit pathogen recognition receptor function and phagocytosis, but the molecular basis of this inhibition remains obscure. We sought to identify the inhibitory mechanisms that impair alveolar macrophage function. Balb/c mice were acutely exposed to four cigarettes for 4 hours before treat...

journal_title：American journal of respiratory cell and molecular biology

authors： Bozinovski S,Vlahos R,Zhang Y,Lah LC,Seow HJ,Mansell A,Anderson GP

更新日期：2011-08-01 00:00:00

abstract：:Pseudomonas aeruginosa, which may cause severe lung infections, secretes a metalloelastase that may interfere with the assay of neutrophil elastase and cathepsin G in lung secretions. Using nuclear magnetic resonance spectroscopy, we have shown that P. aeruginosa elastase (PsE) cleaves succinyl-Ala3-p-nitroanilide bet...

journal_title：American journal of respiratory cell and molecular biology

authors： Pelletier A,Dimicoli JL,Boudier C,Bieth JG

更新日期：1989-07-01 00:00:00

abstract：:Severe deterioration of surfactant function is noted under conditions of plasma protein leakage into the alveolar space; moreover, fibrinogen has previously been reported to possess strong surfactant inhibitory capacity. Dissolution of alveolar deposits of fibrinogen and fibrin (e.g., hyaline membranes) requires enzym...

journal_title：American journal of respiratory cell and molecular biology

authors： Seeger W,Grube C,Günther A

更新日期：1993-09-01 00:00:00

abstract：:Notch is an ancient cell-signaling system that regulates the specification of cell fate. This study examined the role of Notch in the epithelial-mesenchymal transition (EMT) and myofibroblast differentiation of cultured RLE-6TN cells (i.e., rat alveolar epithelial cells). The activation of Notch, either by ectopic exp...

journal_title：American journal of respiratory cell and molecular biology

authors： Aoyagi-Ikeda K,Maeno T,Matsui H,Ueno M,Hara K,Aoki Y,Aoki F,Shimizu T,Doi H,Kawai-Kowase K,Iso T,Suga T,Arai M,Kurabayashi M

更新日期：2011-07-01 00:00:00

abstract：:In rat models of Gram-negative pneumonia, pulmonary emigration of neutrophils (polymorphonuclear leukocytes [PMNs]) is blocked when rats are made endotoxemic by an intravenous administration of endotoxin (lipopolysaccharide [LPS]). To test whether dysfunctional PMN migratory responses in the endotoxemic rat are specif...

journal_title：American journal of respiratory cell and molecular biology

authors： Wagner JG,Driscoll KE,Roth RA

更新日期：1999-04-01 00:00:00

abstract：:Pulmonary accumulation of fibroblasts and myofibroblasts in idiopathic pulmonary fibrosis/usual interstitial pneumonia (IFP/UIP) has been linked to (1) increased migration of a circulating pool of fibrocytes, (2) cell proliferation, and (3) resistance to apoptosis. The mechanism of physiologic apoptosis of lung fibrob...

journal_title：American journal of respiratory cell and molecular biology

authors： Frankel SK,Cosgrove GP,Cha SI,Cool CD,Wynes MW,Edelman BL,Brown KK,Riches DW

更新日期：2006-03-01 00:00:00

abstract：:Eosinophils are an important source of leukotriene (LT)C(4), which can be synthesized within lipid bodies-cytoplasmic organelles where eicosanoid formation may take place. Allergy-driven lipid body formation and function have never been investigated. Here, we studied the in vivo induction and role of lipid bodies with...

journal_title：American journal of respiratory cell and molecular biology

authors： Vieira-de-Abreu A,Assis EF,Gomes GS,Castro-Faria-Neto HC,Weller PF,Bandeira-Melo C,Bozza PT

更新日期：2005-09-01 00:00:00

abstract：:Lung transplantation remains the only therapeutic option for many patients suffering from end-stage pulmonary disease. Long-term success after lung transplantation is severely limited by the development of bronchiolitis obliterans. The murine heterotopic tracheal transplantation model has been widely used for studies ...

journal_title：American journal of respiratory cell and molecular biology

authors： Okazaki M,Gelman AE,Tietjens JR,Ibricevic A,Kornfeld CG,Huang HJ,Richardson SB,Lai J,Garbow JR,Patterson GA,Krupnick AS,Brody SL,Kreisel D

更新日期：2007-12-01 00:00:00

abstract：:Macrophages are the primary lung phagocyte and are instrumental in maintenance of a sterile, noninflamed microenvironment. IFNs are produced in response to bacterial and viral infection, and activate the macrophage to efficiently counteract and remove pathogenic invaders. Respiratory syncytial virus (RSV) inhibits IFN...

journal_title：American journal of respiratory cell and molecular biology

authors： Senft AP,Taylor RH,Lei W,Campbell SA,Tipper JL,Martinez MJ,Witt TL,Clay CC,Harrod KS

更新日期：2010-04-01 00:00:00

abstract：:Extracellular signal-regulated kinases (ERKs) phosphorylate and regulate cytoskeletal components of contractile cells and have been implicated in integrin-mediated adhesion. In this study, we examined the contributions of adherence, cell flattening, and cytoskeletal reorganization to adhesion-induced ERK activation in...

journal_title：American journal of respiratory cell and molecular biology

authors： Heuertz RM,Hamann KJ,Hershenson MB,Leff AR

更新日期：1997-10-01 00:00:00

abstract：:Klebsiella pneumoniae is a common cause of pneumonia. Previous studies have documented an important role for Toll-like receptors (TLRs) expressed by myeloid cells in the recognition of K. pneumoniae and the initiation of a protective immune response. Lung epithelial cells also express TLRs and can participate in innat...

journal_title：American journal of respiratory cell and molecular biology

authors： Anas AA,Claushuis TAM,Mohan RA,Christoffels VM,Aidinis V,Florquin S,Van't Veer C,Hou B,de Vos AF,van der Poll T

更新日期：2017-05-01 00:00:00

abstract：:Nitric oxide (NO) is produced in lung epithelial cells by nitric oxide synthases (NOSs), which can enhance inflammation and edema formation. The inducible NOS (iNOS, type II NOS) has been shown to be increased in lung disorders such as asthma. Therapy for asthma includes antiinflammatory agents such as corticosteroids...

journal_title：American journal of respiratory cell and molecular biology

authors： Robbins RA,Jinkins PA,Bryan TW,Prado SC,Milligan SA

更新日期：1998-06-01 00:00:00

abstract：:Gamma-aminobutyric acid (GABA) is the major inhibitory neurotransmitter in the mammalian central nervous system and exerts its actions via both ionotropic (GABA(A)) and metabotropic (GABA(B)) receptors. The GABA(B) receptor is a dimer composed of R1 and R2 components and classically couples to the heterotrimeric G(i) ...

journal_title：American journal of respiratory cell and molecular biology

authors： Mizuta K,Osawa Y,Mizuta F,Xu D,Emala CW

更新日期：2008-09-01 00:00:00

abstract：:Pulmonary artery hypertension (PAH) is a rare and fatal disorder that involves extensive remodeling of the pulmonary arteries mediated by hyperproliferation of pulmonary artery smooth muscle cells (PASMCs). Aberrant platelet-derived growth factor (PDGF) activity can lead to hyperproliferation of PASMCs; however, littl...

journal_title：American journal of respiratory cell and molecular biology

authors： Chen J,Guo J,Cui X,Dai Y,Tang Z,Qu J,Raj JU,Hu Q,Gou D

更新日期：2018-02-01 00:00:00

abstract：:Nontypable Haemophilus influenzae (NTHI) is being increasingly recognized as a cause of both adult pneumonia and acute infectious exacerbations in chronic bronchitis. We used a mouse model to study the immune enhancement of pulmonary clearance of NTHI after a primary immunization. BALB/c mice were immunized with whole...

journal_title：American journal of respiratory cell and molecular biology

authors： McGehee JL,Radolf JD,Toews GB,Hansen EJ

更新日期：1989-09-01 00:00:00

abstract：:Acute lung injury induced by reactive oxygen gases such as ozone (O(3)) is focal and site-selective. To define patterns of acute epithelial injury along intrapulmonary airways, we developed a new analytic approach incorporating labeling of permeable cells, airway microdissection, and laser scanning confocal microscopy...

journal_title：American journal of respiratory cell and molecular biology

authors： Postlethwait EM,Joad JP,Hyde DM,Schelegle ES,Bric JM,Weir AJ,Putney LF,Wong VJ,Velsor LW,Plopper CG

更新日期：2000-02-01 00:00:00

abstract：:To reach the sites of inflammation, neutrophils traverse the endothelium, its underlying basement membrane, and other barriers depending on the localization of the insulting agent. Whether neutrophil elastase (NE) plays a role in neutrophil recruitment to inflamed sites is still debatable. By exploiting mice deficient...

journal_title：American journal of respiratory cell and molecular biology

authors： Hirche TO,Atkinson JJ,Bahr S,Belaaouaj A

更新日期：2004-04-01 00:00:00

abstract：:Airway epithelial cells can respond to infection by activating several signaling pathways. We examined the induction of apoptosis in response to Pseudomonas aeruginosa PAO1 in normal cells and several cystic fibrosis (CF) and corrected cell lines. Epithelial cells in monolayers with tight junctions, confirmed by apica...

journal_title：American journal of respiratory cell and molecular biology

authors： Rajan S,Cacalano G,Bryan R,Ratner AJ,Sontich CU,van Heerckeren A,Davis P,Prince A

更新日期：2000-09-01 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：:The present study investigated mechanisms underlying apical and basolateral P2Y(1)-mediated Cl(-) secretion in human airway epithelial cells. Apical and basolateral ATP induced short-circuit currents (I(sc)) with different properties via P2Y(1) receptors. The former comprised an immediate rise followed by a slow atten...

journal_title：American journal of respiratory cell and molecular biology

authors： Son M,Ito Y,Sato S,Ishikawa T,Kondo M,Nakayama S,Shimokata K,Kume H

更新日期：2004-03-01 00:00:00