The matrix metalloproteinases and their inhibitors.

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：: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：:Prior studies have demonstrated that human alveolar macrophages (AM) are suppressive of lymphocyte function, through the mechanism of inhibition is unclear. In the current study, human AM inhibited receptor-mediated increases in intracellular calcium concentration ([Ca2+]i) in T cells, natural killer cells, and B cell...

journal_title：American journal of respiratory cell and molecular biology

authors： Yarbrough WC Jr,Wilkes DS,Weissler JC

更新日期：1991-11-01 00:00:00

abstract：:Proteinase-activated receptor (PAR)-2 is cleaved within its aminoterminal extracellular domain by serine proteinases such as trypsin, unmasking a new aminoterminus starting with the sequence SLIGKV, which binds intramolecularly and activates the receptor. PAR-2 has been reported to be involved in inflammation within t...

journal_title：American journal of respiratory cell and molecular biology

authors： Dulon S,Candé C,Bunnett NW,Hollenberg MD,Chignard M,Pidard D

更新日期：2003-03-01 00:00:00

abstract：:Bleomycin-induced lung injury causes increased fibroblast numbers in the lung and pulmonary fibrosis. Studies of fibroblasts isolated from such injured lungs have revealed evidence of increased intrinsic proliferative capacity, but the mechanism is unknown. Telomerase catalyzes the addition of telomeric DNA repeats on...

journal_title：American journal of respiratory cell and molecular biology

authors： Nozaki Y,Liu T,Hatano K,Gharaee-Kermani M,Phan SH

更新日期：2000-10-01 00:00:00

abstract：:Tumor necrosis factor-alpha (TNF-alpha) is thought to be important in the development of pulmonary fibrosis. However, surfactant protein-C/TNF-alpha transgenic mice do not spontaneously develop pulmonary fibrosis but instead develop alveolar enlargement and loss of elastic recoil. We hypothesized that overexpression o...

journal_title：American journal of respiratory cell and molecular biology

authors： Fujita M,Shannon JM,Morikawa O,Gauldie J,Hara N,Mason RJ

更新日期：2003-12-01 00:00:00

abstract：:Ground-level ozone (O3) is a ubiquitous environmental air pollutant that is a potent inducer of airway inflammation and has been linked with respiratory and cardiovascular morbidity and mortality. Some studies using transformed or immortalized cells have attributed O3-mediated expression of inflammatory cytokines with...

journal_title：American journal of respiratory cell and molecular biology

authors： McCullough SD,Duncan KE,Swanton SM,Dailey LA,Diaz-Sanchez D,Devlin RB

更新日期：2014-09-01 00:00:00

abstract：:The persistence of airway hyperresponsiveness (AHR) and serotonergic enhancement of airway smooth muscle (ASM) contraction induced by ozone (O3) plus allergen has not been evaluated. If this mechanism persists after a prolonged recovery, it would indicate that early-life exposure to O3 plus allergen induces functional...

journal_title：American journal of respiratory cell and molecular biology

authors： Moore BD,Hyde DM,Miller LA,Wong EM,Schelegle ES

更新日期：2014-07-01 00:00:00

abstract：:Patients with severe acute and chronic lung diseases develop derangements in gas exchange that may result in increased levels of CO(2) (hypercapnia), the effects of which on human health are incompletely understood. It has been proposed that hypercapnia may have beneficial effects in patients with acute lung injury, a...

journal_title：American journal of respiratory cell and molecular biology

authors： Vadász I,Hubmayr RD,Nin N,Sporn PH,Sznajder JI

更新日期：2012-04-01 00:00:00

abstract：:The mTOR pathway is one of the key signal cascades in the pathogenesis of idiopathic pulmonary fibrosis. Previous studies have mainly focused on this pathway in the fibroblasts and/or myofibroblasts, but not in the epithelial cells. In this study, we sought to investigate the role of the mTOR pathway in lung epithelia...

journal_title：American journal of respiratory cell and molecular biology

authors： Saito M,Mitani A,Ishimori T,Miyashita N,Isago H,Mikami Y,Noguchi S,Tarui M,Nagase T

更新日期：2020-06-01 00:00:00

abstract：:Surfactant protein (SP)-D, a 43-kD multifunctional collagen-like lectin, is synthesized and secreted by the airway epithelium. SP-D knockout (SP-D [-/-]) mice exhibit an increase in the number and size of airway macrophages, peribronchiolar inflammation, increases in metalloproteinase activity, and development of emph...

journal_title：American journal of respiratory cell and molecular biology

authors： Atochina EN,Beers MF,Hawgood S,Poulain F,Davis C,Fusaro T,Gow AJ

更新日期：2004-03-01 00:00:00

abstract：:Sphingosine 1-phosphate (S1P) is a bioactive sphingolipid that plays an important proinflammatory role in asthmatic airways. Corticosteroids are first-line antiinflammatories in asthma; however, their repressive effects on S1P-induced cytokine secretion have not been investigated. To address this, our in vitro study r...

journal_title：American journal of respiratory cell and molecular biology

authors： Che W,Parmentier J,Seidel P,Manetsch M,Ramsay EE,Alkhouri H,Ge Q,Armour CL,Ammit AJ

更新日期：2014-02-01 00:00:00

abstract：:Retention kinetics for insoluble particles that deposit in the lung oftentimes resemble a multicomponent process during alveolar clearance, with each component appearing to follow simple first-order kinetics. Inasmuch as alveolar macrophages (AM) are thought to play an important role in particle removal from the lung,...

journal_title：American journal of respiratory cell and molecular biology

authors： Lehnert BE,Valdez YE,Tietjen GL

更新日期：1989-08-01 00:00:00

abstract：:It is generally important to elucidate airway epithelial cell lineages and to identify multipotent progenitors as targets for gene therapy. Stem (S) cells are typically present in specialized compartments spatially proximal to their differentiated progeny, but an equivalent paradigm has not been demonstrated in the ai...

journal_title：American journal of respiratory cell and molecular biology

authors： Borthwick DW,Shahbazian M,Krantz QT,Dorin JR,Randell SH

更新日期：2001-06-01 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：:Since the lung is repeatedly subjected to injury by pathogens and toxicants, maintenance of pulmonary homeostasis requires rapid repair of its epithelial surfaces. Ciliated bronchiolar epithelial cells, previously considered as terminally differentiated, underwent squamous cell metaplasia within hours after bronchiola...

journal_title：American journal of respiratory cell and molecular biology

authors： Park KS,Wells JM,Zorn AM,Wert SE,Laubach VE,Fernandez LG,Whitsett JA

更新日期：2006-02-01 00:00:00

abstract：:To investigate mechanisms regulating intra-alveolar coagulation, we studied monolayers of the A549 human lung epithelial cell line. The surface of A549 cells delayed the onset of prothrombin-to-thrombin conversion and prevented total prothrombin consumption in normal plasma compared to plastic cell-free wells. Similar...

journal_title：American journal of respiratory cell and molecular biology

authors： Berry L,Andrew M,Post M,Ofosu F,O'Brodovich H

更新日期：1991-04-01 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：: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：:Asbestos causes asbestosis and malignancies by mechanisms that are not fully established. Alveolar epithelial cell (AEC) injury and repair are crucial determinants of the fibrogenic potential of noxious agents such as asbestos. We previously showed that mitochondrial reactive oxygen species mediate asbestos-induced AE...

journal_title：American journal of respiratory cell and molecular biology

authors： Cheresh P,Morales-Nebreda L,Kim SJ,Yeldandi A,Williams DB,Cheng Y,Mutlu GM,Budinger GR,Ridge K,Schumacker PT,Bohr VA,Kamp DW

更新日期：2015-01-01 00:00:00

abstract：:The doxycycline-inducible, gene regulatory system allows tight control of transgene expression for the study of organ development and disease pathogenesis. Multiple recent reports have employed this model to investigate various lung diseases including emphysema. For our study, we used this transgenic system to test wh...

journal_title：American journal of respiratory cell and molecular biology

authors： Sisson TH,Hansen JM,Shah M,Hanson KE,Du M,Ling T,Simon RH,Christensen PJ

更新日期：2006-05-01 00:00:00

abstract：:We have previously characterized dog mastocytoma cells propagated in nude mice. We have established two of these lines (C1 and C2) in continuous culture. Freshly disaggregated mastocytoma cells were cultured in Dulbecco's modified Eagle's medium (DME)-H16 mixed with 50% Ham's F12 and supplemented with histidine and 5%...

journal_title：American journal of respiratory cell and molecular biology

authors： DeVinney R,Gold WM

更新日期：1990-11-01 00:00:00

abstract：:We recently described overproduction of interferon (IFN)-gamma by lung lymphocytes in mice with silicosis (11% of cells in air-control versus 19% of cells from silica-exposed mice; Davis and colleagues, Am. J. Respir. Cell Mol. Biol. 1999;20:813-824). We hypothesized that the increased IFN-gamma production might be du...

journal_title：American journal of respiratory cell and molecular biology

authors： Davis GS,Pfeiffer LM,Hemenway DR

更新日期：2000-04-01 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：:Extensive tissue remodeling occurs in survivors of acute lung injury, leading to nearly normal histology and physiology in the majority of individuals, whereas others suffer significant impairment due to the development of pulmonary fibrosis. Alveolar epithelial cells play a central role in the repair process. They ar...

journal_title：American journal of respiratory cell and molecular biology

authors： Hasegawa T,Sorensen L,Dohi M,Rao NV,Hoidal JR,Marshall BC

更新日期：1997-06-01 00:00:00

abstract：:Lung alveoli are lined by alveolar type (AT) 1 cells and cuboidal AT2 cells. The AT1 cells are likely to be exposed to cell-free hemoglobin (Hb) in multiple lung diseases; however, the role of Hb redox (reduction-oxidation) reactions and their precise contributions to AT1 cell injury are not well understood. Using mou...

journal_title：American journal of respiratory cell and molecular biology

authors： Chintagari NR,Jana S,Alayash AI

更新日期：2016-08-01 00:00:00

abstract：:After localized lung immunization and challenge, antigen-specific antibody continues to be produced in the immunized lung lobes of dogs for years after the last antigen exposure. Lavage fluid from immunized lung lobes contains significantly more antigen-specific antibody than lavage fluid from control lung lobes, and ...

journal_title：American journal of respiratory cell and molecular biology

authors： Bice DE,Jones SE,Muggenburg BA

更新日期：1993-06-01 00:00:00

abstract：:Idiopathic pulmonary fibrosis (IPF) is a chronic fibrosing lung disease of indeterminate etiology and limited therapeutic options. The initiation, development, and progression of IPF are influenced by genetic predisposition, aging, and host and environmental factors, but the magnitude of the contribution of each of th...

journal_title：American journal of respiratory cell and molecular biology

authors： Pardo A,Selman M

更新日期：2020-09-18 00:00:00

abstract：:Stachybotrys chartarum is a fungal contaminant within the built environment and a respiratory health concern in the United States. The objective of this study was to characterize the mechanisms influencing pulmonary immune responses to repeatedly inhaled S. chartarum. Groups of B6C3F1/N mice repeatedly inhaled viable ...

journal_title：American journal of respiratory cell and molecular biology

authors： Croston TL,Lemons AR,Barnes MA,Goldsmith WT,Orandle MS,Nayak AP,Germolec DR,Green BJ,Beezhold DH

更新日期：2020-05-01 00:00:00

abstract：:Skeletal muscle dysfunction in patients with chronic obstructive pulmonary disease negatively impacts quality of life and survival. Cigarette smoking (CS) is the major risk factor for chronic obstructive pulmonary disease and skeletal muscle dysfunction; however, how CS affects skeletal muscle function remains enigmat...

journal_title：American journal of respiratory cell and molecular biology

authors： Chan SMH,Cerni C,Passey S,Seow HJ,Bernardo I,van der Poel C,Dobric A,Brassington K,Selemidis S,Bozinovski S,Vlahos R

更新日期：2020-02-01 00:00:00