Role of stretch on tight junction structure in alveolar epithelial cells.

abstract：:Pulmonary arterial hypertension (PAH) is a devastating disease without effective treatment. Despite decades of research and the development of novel treatments, PAH remains a fatal disease, suggesting an urgent need for better understanding of the pathogenesis of PAH. Recent studies suggest that microRNAs (miRNAs) are...

journal_title：American journal of respiratory cell and molecular biology

authors： Zhou G,Chen T,Raj JU

更新日期：2015-02-01 00:00:00

abstract：:Integrins are heterodimeric cell-surface glycoproteins that mediate cell-cell and cell-matrix adhesion. We previously identified cDNA encoding a novel integrin beta subunit, beta 7, from bronchoalveolar lavage fluid (BALF) leukocytes. The beta 7 subunit protein is now known to associate with at least two integrin alph...

journal_title：American journal of respiratory cell and molecular biology

authors： Erle DJ,Brown T,Christian D,Aris R

更新日期：1994-03-01 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：:Redox imbalance has been implicated in the pathogenesis of many acute and chronic lung diseases. The b-Zip transcription factor Nrf2 acts via an antioxidant/electrophilic response element to regulate antioxidants and maintain cellular redox homeostasis. Our previous studies have shown that Nrf2-deficient mice (Nrf2(-/...

journal_title：American journal of respiratory cell and molecular biology

authors： Reddy NM,Kleeberger SR,Cho HY,Yamamoto M,Kensler TW,Biswal S,Reddy SP

更新日期：2007-07-01 00:00:00

abstract：:Lung development is associated with a surge in surfactant phosphatidylcholine (PC) production to prepare the newborn for extrauterine breathing. This process is associated with a marked increase in the activity of the rate-regulatory surfactant enzyme, CTP:phosphocholine cytidylyltransferase (CCTalpha). To investigate...

journal_title：American journal of respiratory cell and molecular biology

authors： McCoy DM,Fisher K,Robichaud J,Ryan AJ,Mallampalli RK

更新日期：2006-09-01 00:00:00

abstract：:FGFs (fibroblast growth factors) are major factors associated with the pathogenesis of pulmonary fibrosis. On the one hand, nintedanib, a tyrosine kinase inhibitor targeting several growth factor receptors, including the FGF receptor (FGFR), has been approved for the treatment of idiopathic pulmonary fibrosis. On the ...

journal_title：American journal of respiratory cell and molecular biology

authors： Morizumi S,Sato S,Koyama K,Okazaki H,Chen Y,Goto H,Kagawa K,Ogawa H,Nishimura H,Kawano H,Toyoda Y,Uehara H,Nishioka Y

更新日期：2020-09-01 00:00:00

abstract：:Hypersensitivity pneumonitis (HP) is an allergic granulomatous interstitial lung disease resulting from a reaction of selected individuals to repeated inhalations of certain antigens. HP is characterized by chronic inflammation, and the development of the disease seems to be immunologically mediated. In farmer's lung,...

journal_title：American journal of respiratory cell and molecular biology

authors： Denis M,Cormier Y,Tardif J,Ghadirian E,Laviolette M

更新日期：1991-08-01 00:00:00

abstract：:Cigarette smoking and aging are major risk factors for chronic obstructive pulmonary disease. An unsolved question is whether elderly lungs are particularly vulnerable to cigarette smoke (CS) exposure. In this study, we used a mouse model to test the hypothesis that aging increases the susceptibility to CS-induced pul...

journal_title：American journal of respiratory cell and molecular biology

authors： Moriyama C,Betsuyaku T,Ito Y,Hamamura I,Hata J,Takahashi H,Nasuhara Y,Nishimura M

更新日期：2010-03-01 00:00:00

abstract：:LL-37 is a human cationic host defense peptide that is present in the specific granules of neutrophils, produced by epithelial cells from a variety of tissues, and is upregulated during inflammation, infection, and injury. It has been proposed to have a variety of antimicrobial functions, including both direct antimic...

journal_title：American journal of respiratory cell and molecular biology

authors： Lau YE,Bowdish DM,Cosseau C,Hancock RE,Davidson DJ

更新日期：2006-04-01 00:00:00

abstract：:To identify relationships amongst tracheal and alveolar epithelial cells during lung development, we used conditional systems controlled by the rat CCSP and human SFTPC gene promoters to express Cre-recombinase in the developing mouse lung, thereby permanently labeling cells by expression of alkaline phosphatase or gr...

journal_title：American journal of respiratory cell and molecular biology

authors： Perl AK,Wert SE,Loudy DE,Shan Z,Blair PA,Whitsett JA

更新日期：2005-11-01 00:00:00

abstract：:Endogenous hydrogen peroxide (H2O2) release from aortic endothelial cells was studied in the presence of antioxidant enzyme inhibitors, mitochondrial inhibitors, a microsomal cytochrome P-450 inhibitor, and after oxidative stress induced with H2O2 or menadione. Extracellular H2O2 generation was determined spectrofluor...

journal_title：American journal of respiratory cell and molecular biology

authors： Kinnula VL,Whorton AR,Chang LY,Crapo JD

更新日期：1992-02-01 00:00:00

abstract：:Modification of tyrosine residues and formation of 3-nitrotyrosine is one of the most commonly identified effects of reactive nitrogen species on proteins. In this study we evaluated the presence and localization of tyrosine nitration in various ventilatory and limb muscles. We also assessed the contribution of the ne...

journal_title：American journal of respiratory cell and molecular biology

authors： Barreiro E,Comtois AS,Gea J,Laubach VE,Hussain SN

更新日期：2002-04-01 00:00:00

abstract：:The cellular events involved in generating the hypoxic pulmonary vasoconstriction response are not clearly understood, in part because of the multitude of factors that alter pulmonary vascular tone. The goal of the present studies was to determine if a cell culture preparation containing vascular smooth muscle (VSM) c...

journal_title：American journal of respiratory cell and molecular biology

authors： Murray TR,Chen L,Marshall BE,Macarak EJ

更新日期：1990-11-01 00:00:00

abstract：:Infections with bacteria and viruses such as adenovirus are a feature of chronic lung diseases such as chronic obstructive pulmonary diseases (COPD), and may be instrumental in the generation of disease exacerbations. We have previously shown in acute models that elafin (a lung natural chemotactic molecule for macroph...

journal_title：American journal of respiratory cell and molecular biology

authors： Roghanian A,Williams SE,Sheldrake TA,Brown TI,Oberheim K,Xing Z,Howie SE,Sallenave JM

更新日期：2006-05-01 00:00:00

abstract：:IL-11 and IL-11 receptor (R)alpha are induced by Th2 cytokines. However, the role(s) of endogenous IL-11 in antigen-induced Th2 inflammation has not been fully defined. We hypothesized that IL-11, signaling via IL-11Ralpha, plays an important role in aeroallergen-induced Th2 inflammation and mucus metaplasia. To test ...

journal_title：American journal of respiratory cell and molecular biology

authors： Lee CG,Hartl D,Matsuura H,Dunlop FM,Scotney PD,Fabri LJ,Nash AD,Chen NY,Tang CY,Chen Q,Homer RJ,Baca M,Elias JA

更新日期：2008-12-01 00:00:00

abstract：:Hydrogen sulfide (H(2)S) is synthesized intracellularly by the enzymes cystathionine-γ-lyase and cystathionine-β-synthase (CBS), and is proposed to be a gasotransmitter with effects in modulating inflammation and cellular proliferation. We determined a role of H(2)S in airway smooth muscle (ASM) function. ASM were rem...

journal_title：American journal of respiratory cell and molecular biology

authors： Perry MM,Hui CK,Whiteman M,Wood ME,Adcock I,Kirkham P,Michaeloudes C,Chung KF

更新日期：2011-10-01 00:00:00

abstract：:Hydrogen peroxide (H(2)O(2)) is found in exhaled breath and is produced by airway epithelia. In addition, H(2)O(2) is a necessary substrate for the airway lactoperoxidase (LPO) anti-infection system. To investigate the source of H(2)O(2) produced by airway epithelia, PCR was used to screen nicotinamide adenine dinucle...

journal_title：American journal of respiratory cell and molecular biology

authors： Forteza R,Salathe M,Miot F,Forteza R,Conner GE

更新日期：2005-05-01 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：:β-Arrestin-2 (βarr2) is a ubiquitously expressed cytosolic protein that terminates G protein-coupled receptor signaling and transduces G protein-independent signaling. We previously showed that mice lacking βarr2 do not develop an asthma phenotype when sensitized to, and challenged with, allergens. The current study e...

journal_title：American journal of respiratory cell and molecular biology

authors： Chen M,Hegde A,Choi YH,Theriot BS,Premont RT,Chen W,Walker JK

更新日期：2015-09-01 00:00:00

abstract：:Pneumocystis is an important fungal pathogen that causes life-threatening pneumonia in patients with AIDS and malignancy. Lung fungal pathogens are recognized by C-type lectin receptors (CLRs), which bind specific ligands and stimulate innate immune responses. The CLR Dectin-1 was previously shown to mediate immune re...

journal_title：American journal of respiratory cell and molecular biology

authors： Kottom TJ,Hebrink DM,Jenson PE,Marsolek PL,Wüthrich M,Wang H,Klein B,Yamasaki S,Limper AH

更新日期：2018-02-01 00:00:00

abstract：:Adenosine concentrations are elevated in the lungs of patients with asthma and chronic obstructive pulmonary disease, where it balances between tissue repair and excessive airway remodeling. We previously demonstrated that the activation of the adenosine A2A receptor promotes epithelial wound closure. However, the mec...

journal_title：American journal of respiratory cell and molecular biology

authors： Allen-Gipson DS,Zimmerman MC,Zhang H,Castellanos G,O'Malley JK,Alvarez-Ramirez H,Kharbanda K,Sisson JH,Wyatt TA

更新日期：2013-05-01 00:00:00

abstract：:Important characteristics of chronic obstructive pulmonary disease (COPD) include airway and vascular remodeling, the molecular mechanisms of which are poorly understood. We assessed the role of fibroblast growth factors (FGF) in pulmonary vascular remodeling by examining the expression pattern of FGF-1, FGF-2, and th...

journal_title：American journal of respiratory cell and molecular biology

authors： Kranenburg AR,De Boer WI,Van Krieken JH,Mooi WJ,Walters JE,Saxena PR,Sterk PJ,Sharma HS

更新日期：2002-11-01 00:00:00

abstract：:Pulmonary lymphangioleiomyomatosis (LAM) is characterized by abnormal smooth muscle-like cell proliferation leading to tissue destruction and cyst formation. We demonstrate that serum response factor (SRF), a critical smooth muscle transcription factor, is overexpressed in LAM cells. To determine whether abnormal SRF ...

journal_title：American journal of respiratory cell and molecular biology

authors： Zhe X,Yang Y,Jakkaraju S,Schuger L

更新日期：2003-04-01 00:00:00

abstract：:The increase of airway smooth muscle (ASM) mass in asthma results from hypertrophic and hyperplastic stimuli, and leads to an increase in cellular contractile proteins. However, little evidence correlates the relative contributions of hypertrophic and hyperplastic muscle with functional effects on airway resistance. W...

journal_title：American journal of respiratory cell and molecular biology

authors： Plant PJ,North ML,Ward A,Ward M,Khanna N,Correa J,Scott JA,Batt J

更新日期：2012-04-01 00:00:00

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：:Asthma arises from the complex interplay of inflammatory pathways in diverse cell types and tissues. We sought to undertake a comprehensive transcriptomic assessment of the epithelium and airway T cells that remain understudied in asthma and investigate interactions between multiple cells and tissues. Epithelial brush...

journal_title：American journal of respiratory cell and molecular biology

authors： Singhania A,Wallington JC,Smith CG,Horowitz D,Staples KJ,Howarth PH,Gadola SD,Djukanović R,Woelk CH,Hinks TSC

更新日期：2018-02-01 00:00:00

abstract：:A number of mechanisms participate in virus-induced asthma. Previously, we described enhanced basophil histamine release (HR) during an experimentally induced rhinovirus infection and after in vitro incubation of peripheral blood mononuclear cells (PBMC) with influenza virus. This study extends our previous observatio...

journal_title：American journal of respiratory cell and molecular biology

authors： Huftel MA,Swensen CA,Borcherding WR,Dick EC,Hong R,Kita H,Gleich GJ,Busse WW

更新日期：1992-10-01 00:00:00

abstract：:Unresolved inflammation in the lung is thought to elicit loss of endothelial cell (EC) barrier integrity and impaired lung function. We have shown, in a mouse model of shock/sepsis, that neutrophil interactions with resident pulmonary cells appear central to the pathogenesis of indirect acute lung injury (iALI). Norma...

journal_title：American journal of respiratory cell and molecular biology

authors： Lomas-Neira J,Venet F,Chung CS,Thakkar R,Heffernan D,Ayala A

更新日期：2014-01-01 00:00:00

abstract：:The role of pro-inflammatory cytokines in an animal model of allergic lung disease was examined by use of an interleukin-1 receptor antagonist (IL-1ra) and a specific bioassay for tumor necrosis factor (TNF). Ovalbumin-sensitized guinea pigs exhibit a marked bronchial hyperreactivity (assessed by airway responsiveness...

journal_title：American journal of respiratory cell and molecular biology

authors： Watson ML,Smith D,Bourne AD,Thompson RC,Westwick J

更新日期：1993-04-01 00:00:00

abstract：:The cells/proteases responsible for the development of smoke-induced emphysema is an area of intense investigation. Mice with knockout of macrophage metalloelastase genes (MME(-/-)) do not develop emphysema after smoke exposure, but we also observed that neutrophils (PMN) in lavage appeared to be a requirement for acu...

journal_title：American journal of respiratory cell and molecular biology

authors： Churg A,Zay K,Shay S,Xie C,Shapiro SD,Hendricks R,Wright JL

更新日期：2002-09-01 00:00:00