Macrolides inhibit epithelial cell-mediated neutrophil survival by modulating granulocyte macrophage colony-stimulating factor release.

abstract：:The cystic fibrosis transmembrane conductance regulator (CFTR) serves a pivotal role in normal epithelial homeostasis; its absence leads to destruction of exocrine tissues, including those of the gastrointestinal tract and lung. Acute regulation of CFTR protein in response to environmental stimuli occurs at several le...

journal_title：American journal of respiratory cell and molecular biology

authors： Guimbellot JS,Fortenberry JA,Siegal GP,Moore B,Wen H,Venglarik C,Chen YF,Oparil S,Sorscher EJ,Hong JS

更新日期：2008-11-01 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：:Nitrogen dioxide (NO2) is a pollutant of both outdoor and indoor atmospheres that has the potential to alter alveolar epithelial permeability. In order to assess alterations in the protein content of alveolar lining fluid induced by brief (3-h) exposures to low-level NO2, normal volunteers were exposed sequentially to...

journal_title：American journal of respiratory cell and molecular biology

authors： Frampton MW,Finkelstein JN,Roberts NJ Jr,Smeglin AM,Morrow PE,Utell MJ

更新日期：1989-12-01 00:00:00

abstract：:Higher numbers of eosinophil/basophil colony-forming units (Eo/B CFU) are observed in blood of atopic individuals, and can be enhanced in atopic asthmatics by allergen-inhalation challenge. It is known that mature basophils and eosinophils synthesize cytokines relevant to allergic inflammation. To investigate the pote...

journal_title：American journal of respiratory cell and molecular biology

authors： Gauvreau GM,O'Byrne PM,Moqbel R,Velazquez J,Watson RM,Howie KJ,Denburg JA

更新日期：1998-07-01 00:00:00

abstract：:The glucocorticoids (GC) and retinoids (RA) modulate branching morphogenesis and cytodifferentiation in the developing lung. We investigated downstream target genes that link glucocorticoid stimulation to the achievement of a mature lung in glucocorticoid receptor (GR) knockout mice. All GR(null) mice and approximatel...

journal_title：American journal of respiratory cell and molecular biology

authors： Kaplan F,Comber J,Sladek R,Hudson TJ,Muglia LJ,Macrae T,Gagnon S,Asada M,Brewer JA,Sweezey NB

更新日期：2003-01-01 00:00:00

abstract：:Polymorphonuclear leukocytes (PMN) contribute to epithelial injury at sites of inflammation, but their mechanisms of action are incompletely understood. PMN can injure target tissues by oxidative and nonoxidative mechanisms. Included in the nonoxidative mechanisms are defensins (DEF), small (3.5 to 4.0 kD), arginine- ...

journal_title：American journal of respiratory cell and molecular biology

authors： Nygaard SD,Ganz T,Peterson MW

更新日期：1993-02-01 00:00:00

abstract：:Aging is associated with metabolic diseases such as type 2 diabetes mellitus, cardiovascular disease, cancer, and neurodegeneration. Aging contributes to common processes including metabolic dysfunction, DNA damage, and reactive oxygen species generation. Although glycolysis has been linked to cell growth and prolifer...

journal_title：American journal of respiratory cell and molecular biology

authors： Cho SJ,Moon JS,Lee CM,Choi AM,Stout-Delgado HW

更新日期：2017-04-01 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：:The protease-antiprotease imbalance that is characteristic of most inflammatory lung disorders depends on the spatial-temporal regulation of active inhibitor and protease concentrations in lung secretions. We have studied the competition between the three main serine proteases from human neutrophil primary granules in...

journal_title：American journal of respiratory cell and molecular biology

authors： Korkmaz B,Poutrain P,Hazouard E,de Monte M,Attucci S,Gauthier FL

更新日期：2005-06-01 00:00:00

abstract：:Leukocyte elastase induces apoptosis of lung epithelial cells via alterations in mitochondrial permeability, but the signaling pathways regulating this response remain uncertain. Here we investigated the involvement of proteinase-activated receptor-1 (PAR-1), the transcription factor NF-kappaB, and the protooncogene p...

journal_title：American journal of respiratory cell and molecular biology

authors： Suzuki T,Yamashita C,Zemans RL,Briones N,Van Linden A,Downey GP

更新日期：2009-12-01 00:00:00

abstract：:The cytokine mRNA profiles of primary (arising from inhaled bacilli) and secondary (arising from hematogenous reseeding of the lung) granulomas from the lung lobes of bacillus Calmette-Guérin (BCG)-vaccinated and unimmunized guinea pigs challenged with virulent Mycobacterium tuberculosis by the pulmonary route were as...

journal_title：American journal of respiratory cell and molecular biology

authors： Ly LH,Russell MI,McMurray DN

更新日期：2008-04-01 00:00:00

abstract：:We previously described a reduction of silica-induced lung fibrosis in interleukin-10-deficient mice (IL-10-/-) (Huaux and colleagues; Am. J. Respir. Cell Mol. Biol. 1998;18:51-59). In the present study, we further dissect the exact functions of IL-10 in experimental silicosis. The reduced lung fibrotic response to si...

journal_title：American journal of respiratory cell and molecular biology

authors： Barbarin V,Arras M,Misson P,Delos M,McGarry B,Phan SH,Lison D,Huaux F

更新日期：2004-07-01 00:00:00

abstract：:Alveolar macrophages (AMs) play an important role in the regulation of the local immune reactivity in the lung. It was previously shown that exposure of rats to mild inescapable electrical footshock stress (20 min, 4 shocks/min, 5 s/shock, 0.8 mAmp) leads to apparent changes in the activity of AMs upon stimulation, re...

journal_title：American journal of respiratory cell and molecular biology

authors： Broug-Holub E,Persoons JH,Schornagel K,Mastbergen SC,Kraal G

更新日期：1998-11-01 00:00:00

abstract：:Alveolar type (AT)I and ATII cells are central to maintaining normal alveolar fluid homeostasis. When disrupted, they contribute to the pathogenesis of acute lung injury (ALI) and acute respiratory distress syndrome. Research on ATII cells has been limited by the inability to propagate primary cells in vitro to study ...

journal_title：American journal of respiratory cell and molecular biology

authors： Bove PF,Dang H,Cheluvaraju C,Jones LC,Liu X,O'Neal WK,Randell SH,Schlegel R,Boucher RC

更新日期：2014-04-01 00:00:00

abstract：:The role of guanine nucleotide-binding proteins in the induction of prostacyclin synthesis by stimulated endothelial cells is incompletely understood. We report that sodium fluoride (NaF), a potent activator of cellular guanine nucleotide-binding proteins, affected time- and concentration-dependent generation of prost...

journal_title：American journal of respiratory cell and molecular biology

authors： Garcia JG,Dominguez J,English D

更新日期：1991-08-01 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：:Interleukin-1 (IL-1) is a proinflammatory cytokine that signals through the Type I IL-1 receptor (IL-1RI). Novel IL-1-like cytokines were recently identified. Their functions in lung disease remain unclear. Interleukin-1 family member-9 (IL-1F9) is one such IL-1-like cytokine, expressed in the lungs of humans and mice...

journal_title：American journal of respiratory cell and molecular biology

authors： Ramadas RA,Ewart SL,Medoff BD,LeVine AM

更新日期：2011-02-01 00:00:00

abstract：:German cockroach extract synergistically regulates tumor necrosis factor-alpha (TNF-alpha)-induced interleukin (IL)-8 expression in human airway epithelial cells. The IL-8 promoter contains nuclear factor (NF)-kappaB, activating protein (AP)-1, and NF for IL-6 (NF-IL6) transcription factor binding regions. Because coc...

journal_title：American journal of respiratory cell and molecular biology

authors： Page K,Hughes VS,Odoms KK,Dunsmore KE,Hershenson MB

更新日期：2005-03-01 00:00:00

abstract：:The time course and nature of the cellular response to left pneumonectomy, with or without prior adrenalectomy, were evaluated in the right lungs of male Sprague-Dawley rats using morphometric techniques. Animals were studied at days 2, 5, and 14 following pneumonectomy, intervals prior to, during the course of, and f...

journal_title：American journal of respiratory cell and molecular biology

authors： Rannels DE,Stockstill B,Mercer RR,Crapo JD

更新日期：1991-10-01 00:00:00

abstract：:Histamine is an important mediator in the pathogenesis of asthma. Variation in genes along the histamine production, response, and degradation pathway may be important in predicting response to antihistamines. We hypothesize that differences exist among single-nucleotide polymorphisms (SNPs) in genes of the histamine ...

journal_title：American journal of respiratory cell and molecular biology

authors： Anvari S,Vyhlidal CA,Dai H,Jones BL

更新日期：2015-12-01 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

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：:Two isoforms of the human glucocorticoid receptor (hGR) have been described, hGRalpha and hGRbeta. We analyzed the expression and regulation of both hGR isoforms in human respiratory epithelial cells (BEAS-2B, A549, and primary nasal epithelial cells). In BEAS-2B cells, the expression of hGRalpha messenger RNA (mRNA) ...

journal_title：American journal of respiratory cell and molecular biology

authors： Pujols L,Mullol J,Pérez M,Roca-Ferrer J,Juan M,Xaubet A,Cidlowski JA,Picado C

更新日期：2001-01-01 00:00:00

abstract：:Macrophage elastase (MMP12) is a key mediator of cigarette smoke (CS)-induced emphysema, yet its role in other smoking related pathologies remains unclear. The weight suppressing effects of smoking are a major hindrance to cessation efforts, and MMP12 is known to suppress the vascularization on which adipose tissue gr...

journal_title：American journal of respiratory cell and molecular biology

authors： Tsuji T,Kelly NJ,Takahashi S,Leme AS,Houghton AM,Shapiro SD

更新日期：2014-12-01 00:00:00

abstract：:Administration of supplemental oxygen remains a critical clinical intervention for survival of preterm infants with respiratory failure. However, prolonged exposure to hyperoxia can augment pulmonary damage, resulting in developmental lung diseases embodied as hyperoxia-induced acute lung injury and bronchopulmonary d...

journal_title：American journal of respiratory cell and molecular biology

authors： Sureshbabu A,Syed M,Das P,Janér C,Pryhuber G,Rahman A,Andersson S,Homer RJ,Bhandari V

更新日期：2016-11-01 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：:Mechanical ventilation with supraphysiological concentrations of oxygen (hyperoxia) is routinely used to treat patients with respiratory distress. However, a significant number of patients on ventilators exhibit enhanced susceptibility to infections and develop ventilator-associated pneumonia (VAP). Pseudomonas aerugi...

journal_title：American journal of respiratory cell and molecular biology

authors： Patel VS,Sitapara RA,Gore A,Phan B,Sharma L,Sampat V,Li JH,Yang H,Chavan SS,Wang H,Tracey KJ,Mantell LL

更新日期：2013-03-01 00:00:00

abstract：:Increases in inflammatory-cell progenitors have been demonstrated in the bone marrow (BM) after inhalation of Ascaris suum in dogs at the time of allergen-induced airway hyperresponsiveness (AHR). The aim of this study was to evaluate the effect of allergen challenge on trafficking of inflammatory cells and their prog...

journal_title：American journal of respiratory cell and molecular biology

authors： Wood LJ,Inman MD,Denburg JA,O'Byrne PM

更新日期：1998-06-01 00:00:00

abstract：:Cigarette smoking is a major risk factor for chronic obstructive pulmonary disease (COPD). Recent reports of increased matrix metalloproteinase-2 (MMP-2) in lungs of patients with emphysema support the paradigm of proteinase/antiproteinase imbalance in the pathogenesis of COPD. We sought to define the signaling pathwa...

journal_title：American journal of respiratory cell and molecular biology

authors： Ning W,Dong Y,Sun J,Li C,Matthay MA,Feghali-Bostwick CA,Choi AM

更新日期：2007-04-01 00:00:00

abstract：:The vascular endothelium plays an important role in the regulation of inflammatory responses after trauma and hemorrhage. Interactions of neutrophils with endothelial cells (ECs) contribute to the activation of specific EC responses involved in innate immunity. We have previously reported that oxidants derived from th...

journal_title：American journal of respiratory cell and molecular biology

authors： Xiang M,Yin L,Li Y,Xiao G,Vodovotz Y,Billiar TR,Wilson MA,Fan J

更新日期：2011-03-01 00:00:00