abstract：:Neutrophil apoptosis is essential for the resolution of inflammation but is delayed by several inflammatory mediators. In such terminally differentiated cells it has been uncertain whether these agents can inhibit apoptosis through transcriptional regulation of anti-death (Bcl-X(L), Mcl-1, Bcl2A1) or BH3-only (Bim, Bi...

journal_title：American journal of respiratory cell and molecular biology

authors： Cowburn AS,Summers C,Dunmore BJ,Farahi N,Hayhoe RP,Print CG,Cook SJ,Chilvers ER

更新日期：2011-06-01 00:00:00

abstract：:Species in the genus Pneumocystis can cause severe pneumonia in immune-compromised hosts. The identification of specific targets present in Pneumocystis species, but lacking in mammalian hosts, is paramount to developing new means to treat this infection. One such potential protein is Rtt109, which is a type of histon...

journal_title：American journal of respiratory cell and molecular biology

authors： Kottom TJ,Han J,Zhang Z,Limper AH

更新日期：2011-06-01 00:00:00

abstract：:Acute lung injury (ALI) and its severe form, acute respiratory distress syndrome (ARDS), are major causes of acute respiratory failure with high rates of morbidity and mortality. Although surfactant protein (SP)-D plays a critical role in pulmonary innate immunity and several clinical studies suggest that this protein...

journal_title：American journal of respiratory cell and molecular biology

authors： King BA,Kingma PS

更新日期：2011-05-01 00:00:00

abstract：:Interstitial lung disease is a devastating disease in humans that can be further complicated by the development of secondary pulmonary hypertension. Accumulating evidence indicates that the oxidant superoxide can contribute to the pathogenesis of both interstitial lung disease and pulmonary hypertension. We used a mod...

journal_title：American journal of respiratory cell and molecular biology

authors： Van Rheen Z,Fattman C,Domarski S,Majka S,Klemm D,Stenmark KR,Nozik-Grayck E

更新日期：2011-04-01 00:00:00

abstract：:Alveolar epithelial cells are directly exposed to acute and chronic fluctuations in alveolar oxygen tension. Previously, we found that the oxygen-binding protein hemoglobin is expressed in alveolar Type II cells (ATII). Here, we report that ATII cells also express a number of highly specific transcription factors and ...

journal_title：American journal of respiratory cell and molecular biology

authors： Grek CL,Newton DA,Spyropoulos DD,Baatz JE

更新日期：2011-04-01 00:00:00

abstract：:Patients with acute lung injury or respiratory distress syndrome often require supplemental oxygen to maintain tissue oxygenation; however, this treatment can cause or worsen lung inflammation. CD44 is a transmembrane adhesion molecule that is present on a wide variety of cell types, including leukocytes and parenchym...

journal_title：American journal of respiratory cell and molecular biology

authors： van der Windt GJ,Schouten M,Zeerleder S,Florquin S,van der Poll T

更新日期：2011-03-01 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

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：:Recently, investigators demonstrated associations between fine particulate matter (PM)-associated metals and adverse health effects. Residual oil fly ash (ROFA), a waste product of fossil fuel combustion from boilers, is rich in the transition metals Fe, Ni, and V, and when released as a fugitive particle, is an impor...

journal_title：American journal of respiratory cell and molecular biology

authors： Farraj AK,Hazari MS,Haykal-Coates N,Lamb C,Winsett DW,Ge Y,Ledbetter AD,Carll AP,Bruno M,Ghio A,Costa DL

更新日期：2011-02-01 00:00:00

abstract：:Muc1 is a heterodimeric mucin that is expressed on the apical surface of airway epithelial cells as well as hematopoietic cells. Both in vivo and in vitro studies revealed that Muc1 suppresses inflammatory responses induced by Pseudomonas aeruginosa (PA). In this study, we sought to determine, using intact animals (C5...

journal_title：American journal of respiratory cell and molecular biology

authors： Choi S,Park YS,Koga T,Treloar A,Kim KC

更新日期：2011-02-01 00:00:00

abstract：:Nitric oxide (NO) is an important regulator of Na(+) reabsorption by pulmonary epithelial cells and therefore of alveolar fluid clearance. The mechanisms by which NO affects epithelial ion transport are poorly understood and vary from model to model. In this study, the effects of NO on sodium reabsorption by H441 cell...

journal_title：American journal of respiratory cell and molecular biology

authors： Althaus M,Pichl A,Clauss WG,Seeger W,Fronius M,Morty RE

更新日期：2011-01-01 00:00:00

abstract：:Vascular remodeling is an important pathological feature of pulmonary arterial hypertension (PAH), which leads to increased pulmonary vascular resistance, with marked proliferation of pulmonary artery smooth muscle cells (SMC) and/or endothelial cells (EC). Successful treatment of experimental PAH with a platelet-deri...

journal_title：American journal of respiratory cell and molecular biology

authors： Sakao S,Tatsumi K,Voelkel NF

更新日期：2010-12-01 00:00:00

abstract：:Airway infections or irritant exposures during early postnatal periods may contribute to the onset of childhood asthma. The purpose of this study was to examine critical periods of postnatal airway development during which ozone (O(3)) exposure leads to heightened neural responses. Rats were exposed to O(3) (2 ppm) or...

journal_title：American journal of respiratory cell and molecular biology

authors： Hunter DD,Wu Z,Dey RD

更新日期：2010-12-01 00:00:00

abstract：:The matrix glycoprotein, fibronectin, stimulates the proliferation of non-small cell lung carcinoma in vitro through α5β1 integrin receptor-mediated signals. However, the true role of fibronectin and its receptor in lung carcinogenesis in vivo remains unclear. To test this, we generated mouse Lewis lung carcinoma cell...

journal_title：American journal of respiratory cell and molecular biology

authors： Roman J,Ritzenthaler JD,Roser-Page S,Sun X,Han S

更新日期：2010-12-01 00:00:00

abstract：:Regulatory T cells (Tregs) play an essential role in maintaining the homeostatic balance of immune responses. Asthma is an inflammatory condition of the airways that is driven by dysregulated immune responses toward normally innocuous antigens. Individuals with asthma have fewer and less functional Tregs, which may le...

journal_title：American journal of respiratory cell and molecular biology

authors： Thorburn AN,Hansbro PM

更新日期：2010-11-01 00:00:00

abstract：:Human rhinovirus (HRV) infections are associated with exacerbations of lower-airway diseases. HRV-induced production of proinflammatory chemokines, such as CXCL10, from infected airway epithelial cells may play a role in the pathogenesis of exacerbations. We have previously shown that the MAP/ERK kinase (MEK) pathway ...

journal_title：American journal of respiratory cell and molecular biology

authors： Zaheer RS,Proud D

更新日期：2010-10-01 00:00:00

abstract：:DNA double-strand breaks (DSBs) can result in cell death or genetic alterations when cells are subjected to radiation, exposure to toxins, or other environmental stresses. A complex DNA-damage-response pathway is activated to repair the damage, and the inability to repair these breaks can lead to carcinogenesis. One o...

journal_title：American journal of respiratory cell and molecular biology

authors： Msiska Z,Pacurari M,Mishra A,Leonard SS,Castranova V,Vallyathan V

更新日期：2010-08-01 00:00:00

abstract：:The pathological hallmark lesions in idiopathic pulmonary fibrosis are the fibroblastic foci, in which fibroblasts are thought to be involved in the tissue remodeling, matrix deposition, and cross-talk with alveolar epithelium. Recent evidence indicates that some fibroblasts in fibrosis may be derived from bone marrow...

journal_title：American journal of respiratory cell and molecular biology

authors： Hashimoto N,Phan SH,Imaizumi K,Matsuo M,Nakashima H,Kawabe T,Shimokata K,Hasegawa Y

更新日期：2010-08-01 00:00:00

abstract：:Bacterial lung diseases are a major cause of morbidity and mortality both in immunocompromised and in immunocompetent individuals. Neutrophil accumulation, a pathological hallmark of bacterial diseases, is critical to host defense, but may also cause acute lung injury/acute respiratory distress syndrome. Toll-like rec...

journal_title：American journal of respiratory cell and molecular biology

authors： Balamayooran G,Batra S,Fessler MB,Happel KI,Jeyaseelan S

更新日期：2010-07-01 00:00:00

abstract：:Chronic hypoxia induces proliferation of human pulmonary artery smooth muscle cells (hPASMCs), leading to remodeling and pulmonary hypertension, but the mechanism remains unclear. The present study tested the roles of mitochondrial ATP-sensitive potassium channel (mitoK(ATP)) and mitochondrial membrane potential (Delt...

journal_title：American journal of respiratory cell and molecular biology

authors： Hu HL,Zhang ZX,Chen CS,Cai C,Zhao JP,Wang X

更新日期：2010-06-01 00:00:00

abstract：:Lower respiratory tract infection by respiratory syncytial virus (RSV) is a frequent cause of acute lung injury in young children and infants. Studies in adults and animals suggest that tumor necrosis factor receptor (TNFR) ligands may mediate lung injury by causing apoptosis of epithelial cells. The main goal of the ...

journal_title：American journal of respiratory cell and molecular biology

authors： Bem RA,Bos AP,Wösten-van Asperen RM,Bruijn M,Lutter R,Sprick MR,van Woensel JB

更新日期：2010-06-01 00:00:00

abstract：:Skeletal muscle atrophy in individuals with advanced chronic obstructive pulmonary disease (COPD) is associated with diminished quality of life, increased health resource use, and worsened survival. Muscle wasting results from an imbalance between protein degradation and synthesis, and is enhanced by decreased regener...

journal_title：American journal of respiratory cell and molecular biology

authors： Plant PJ,Brooks D,Faughnan M,Bayley T,Bain J,Singer L,Correa J,Pearce D,Binnie M,Batt J

更新日期：2010-04-01 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：: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：:Hemoglobin (Hb)-based oxygen carriers (HBOCs) are being developed as a potential therapy for increasing tissue oxygenation, yet they have not reached their full potential because of unwanted hemodynamic side effects (vasoconstriction, low cardiac output, and oxygen delivery) due in part to nitric oxide (NO) scavenging...

journal_title：American journal of respiratory cell and molecular biology

authors： Irwin D,Buehler PW,Alayash AI,Jia Y,Bonventura J,Foreman B,White M,Jacobs R,Piteo B,TissotvanPatot MC,Hamilton KL,Gotshall RW

更新日期：2010-02-01 00:00:00

abstract：:Glucocorticoid (GC) insensitivity represents a profound challenge in managing patients with asthma. The mutual inhibition of transcriptional activity between GC receptor (GR) and other regulators is one of the mechanisms contributing to GC resistance in asthma. We recently reported that interferon regulatory factor (I...

journal_title：American journal of respiratory cell and molecular biology

authors： Bhandare R,Damera G,Banerjee A,Flammer JR,Keslacy S,Rogatsky I,Panettieri RA,Amrani Y,Tliba O

更新日期：2010-01-01 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：:Multiple cytokines play a role in the orchestration of inflammation in inflammatory airway diseases, such as chronic obstructive pulmonary disease, through the recruitment, activation and survival of inflammatory cells. Lymphokines secreted from T cells regulate the pattern of inflammation, whereas proinflammatory cyt...

journal_title：American journal of respiratory cell and molecular biology

authors： Barnes PJ

更新日期：2009-12-01 00:00:00

abstract：:Alveolar hypoxia produces widespread systemic inflammation in rats. The inflammation appears to be triggered by activation of mast cells by a mediator released from alveolar macrophages, not by the reduced systemic partial pressure of oxygen (PO2). If this is correct, the following should apply: (1) neither mast cells...

journal_title：American journal of respiratory cell and molecular biology

authors： Chao J,Wood JG,Blanco VG,Gonzalez NC

更新日期：2009-11-01 00:00:00

abstract：:Endothelin (ET)-1 causes long-lasting vasoconstriction and vascular remodeling by interacting with specific G-protein-coupled receptors in pulmonary artery smooth muscle cells (PASMCs), and thus plays an important role in the pathophysiology of pulmonary arterial hypertension. The two-pore domain K(+) channel, TASK-1,...

journal_title：American journal of respiratory cell and molecular biology

authors： Tang B,Li Y,Nagaraj C,Morty RE,Gabor S,Stacher E,Voswinckel R,Weissmann N,Leithner K,Olschewski H,Olschewski A

更新日期：2009-10-01 00:00:00

abstract：:Transforming growth factor-beta (TGF-beta) is a cytokine implicated in wound healing and in the pathogenesis of pulmonary fibrosis. TGF-beta stimulates myofibroblast differentiation characterized by expression of contractile smooth muscle (SM)-specific proteins such as SM-alpha-actin. In the present study, we examined...

journal_title：American journal of respiratory cell and molecular biology

authors： Sandbo N,Kregel S,Taurin S,Bhorade S,Dulin NO

更新日期：2009-09-01 00:00:00

abstract：:The ability of Pseudomonas aeruginosa to form antibiotic-resistant biofilms is thought to account for the inability of current therapies to resolve bacterial infections in the lungs of patients with cystic fibrosis (CF). We recently described a system in which highly antibiotic-resistant P. aeruginosa biofilms grow on...

journal_title：American journal of respiratory cell and molecular biology

authors： Moreau-Marquis S,O'Toole GA,Stanton BA

更新日期：2009-09-01 00:00:00

abstract：:The etiology of acute lung injury is complex and associated with numerous, chemically diverse precipitating factors. During acute lung injury in mice, one key event is epithelial cell injury that leads to reduced surfactant biosynthesis. We have previously reported that transgenic mice that express transforming growth...

journal_title：American journal of respiratory cell and molecular biology

authors： Bein K,Wesselkamper SC,Liu X,Dietsch M,Majumder N,Concel VJ,Medvedovic M,Sartor MA,Henning LN,Venditto C,Borchers MT,Barchowsky A,Weaver TE,Tichelaar JW,Prows DR,Korfhagen TR,Hardie WD,Bachurski CJ,Leikauf GD

更新日期：2009-08-01 00:00:00

abstract：:Prenatal nicotine exposure impairs normal lung development and leads to diminished pulmonary function after birth. Previous work from our laboratory has demonstrated that nicotine alters lung development by affecting a nonneuronal cholinergic autocrine loop that is expressed in lung. Bronchial epithelial cells (BECs) ...

journal_title：American journal of respiratory cell and molecular biology

authors： Fu XW,Lindstrom J,Spindel ER

更新日期：2009-07-01 00:00:00

abstract：:Protein kinase C (PKC) is known to regulate ryanodine receptor (RyR)-mediated local Ca(2+) signaling (Ca(2+) spark) in airway and vascular smooth muscle cells (SMCs), but its specific molecular mechanisms and functions still remain elusive. In this study, we reveal that, in airway SMCs, specific PKCepsilon peptide inh...

journal_title：American journal of respiratory cell and molecular biology

authors： Liu QH,Zheng YM,Korde AS,Li XQ,Ma J,Takeshima H,Wang YX

更新日期：2009-06-01 00:00:00

abstract：:Idiopathic pulmonary fibrosis is a lethal parenchymal lung disease characterized by denudation of the lung epithelium, fibroblast proliferation, and collagen deposition. Cellular changes underlying disease progression involve injury to alveolar epithelial cells, epithelial to mesenchymal transition, proliferation of a...

journal_title：American journal of respiratory cell and molecular biology

authors： Shukla MN,Rose JL,Ray R,Lathrop KL,Ray A,Ray P

更新日期：2009-06-01 00:00:00

abstract：:The primary function of neutrophils in host defense is to contain and eradicate invading microbial pathogens. This is achieved through a series of swift and highly coordinated responses culminating in ingestion (phagocytosis) and killing of invading microbes. While these tasks are usually performed without injury to h...

journal_title：American journal of respiratory cell and molecular biology

authors： Zemans RL,Colgan SP,Downey GP

更新日期：2009-05-01 00:00:00

abstract：:Pulmonary infection with an exaggerated inflammatory response is the major cause of morbidity and mortality in cystic fibrosis (CF). The objective of this study was to determine whether differences in the innate immune system underlie the exaggerated immune response in CF. We established a model that recapitulates the...

journal_title：American journal of respiratory cell and molecular biology

authors： Bruscia EM,Zhang PX,Ferreira E,Caputo C,Emerson JW,Tuck D,Krause DS,Egan ME

更新日期：2009-03-01 00:00:00

abstract：:Na(+) absorption and Cl(-) secretion are in equilibrium to maintain an appropriate airway surface fluid volume and ensure appropriate mucociliary clearance. In cystic fibrosis, this equilibrium is disrupted by mutations in the cystic fibrosis transmembrane conductance regulator (CFTR) gene resulting in the absence of ...

journal_title：American journal of respiratory cell and molecular biology

authors： Caci E,Melani R,Pedemonte N,Yueksekdag G,Ravazzolo R,Rosenecker J,Galietta LJ,Zegarra-Moran O

更新日期：2009-02-01 00:00:00

abstract：:Interleukin-13 (IL-13) is one of the central mediators for development of airway hyperresponsiveness in asthma. However, its effect on bronchial smooth muscle (BSM) is not well known. Recent studies revealed an involvement of RhoA/Rho-kinase in BSM contraction, and this pathway has now been proposed as a new target fo...

journal_title：American journal of respiratory cell and molecular biology

authors： Chiba Y,Nakazawa S,Todoroki M,Shinozaki K,Sakai H,Misawa M

更新日期：2009-02-01 00:00:00