Increasing Sphingolipid Synthesis Alleviates Airway Hyperreactivity.

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：: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：:Despite respiratory syncytial virus (RSV) bronchiolitis remaining the most common cause of lower respiratory tract disease in infants worldwide, treatment has progressed little in the past 30 years. The aim of our study was to determine whether post-infection administration of de novo pyrimidine synthesis inhibitors c...

journal_title：American journal of respiratory cell and molecular biology

authors： Davis IC,Lazarowski ER,Chen FP,Hickman-Davis JM,Sullender WM,Matalon S

更新日期：2007-10-01 00:00:00

abstract：:IL-1β is a potent proinflammatory cytokine that is implicated in the pathogenesis of acute respiratory distress syndrome. We hypothesized that LPS and mechanical ventilation (MV) together could lead to IL-1β secretion and the development of acute lung injury (ALI), and that this process would be dependent on caspase-1...

journal_title：American journal of respiratory cell and molecular biology

authors： Jones HD,Crother TR,Gonzalez-Villalobos RA,Jupelli M,Chen S,Dagvadorj J,Arditi M,Shimada K

更新日期：2014-02-01 00:00:00

abstract：:Vitamin A deficiency strongly predicts the risk of developing tuberculosis (TB) in individuals exposed to Mycobacterium tuberculosis (Mtb). The burden of antibiotic-resistant TB is increasing globally; therefore, there is an urgent need to develop host-directed adjunctive therapies to treat TB. Alveolar macrophages, t...

journal_title：American journal of respiratory cell and molecular biology

authors： Coleman MM,Basdeo SA,Coleman AM,Cheallaigh CN,Peral de Castro C,McLaughlin AM,Dunne PJ,Harris J,Keane J

更新日期：2018-11-01 00:00:00

abstract：:Airway surface fluids are mainly secreted from submucosal glands, and play important roles in the defense of airways via the up-regulation of mucociliary transport, resulting in an exclusion of many microbes or foreign substances. Although there are many articles concerning the importance of Toll-like receptors (TLRs)...

journal_title：American journal of respiratory cell and molecular biology

authors： Murakami K,Tamada T,Nara M,Muramatsu S,Kikuchi T,Kanehira M,Maruyama Y,Ebina M,Nukiwa T

更新日期：2011-11-01 00:00:00

abstract：:Remodeling of the airways, as occurs in asthmatic patients, is associated with the continual presence of inflammatory mediators and Th2 cytokines, especially interleukin (IL)-13, during cycles of epithelial injury and repair. In this study, we examined the effect of IL-13 on well-differentiated normal human bronchial ...

journal_title：American journal of respiratory cell and molecular biology

authors： Booth BW,Adler KB,Bonner JC,Tournier F,Martin LD

更新日期：2001-12-01 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：:Alveolar macrophages (AM) express gelatinase B, a member of the matrix metalloproteinase family involved in the degradation and remodeling of extracellular matrix components. We evaluated the expression of gelatinase B in the course of idiopathic pulmonary fibrosis (IPF) by studying alveolar macrophages in culture AM ...

journal_title：American journal of respiratory cell and molecular biology

authors： Lemjabbar H,Gosset P,Lechapt-Zalcman E,Franco-Montoya ML,Wallaert B,Harf A,Lafuma C

更新日期：1999-05-01 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：:HLA-DR class II molecules are expressed by a variety of nonlymphoid cells, including the respiratory epithelium. However, it is not known if ciliated bronchial epithelial cells express the HLA-DR genes, if the expression of class II molecules on their surface can be modulated by immune mediators and, finally, if these...

journal_title：American journal of respiratory cell and molecular biology

authors： Rossi GA,Sacco O,Balbi B,Oddera S,Mattioni T,Corte G,Ravazzoni C,Allegra L

更新日期：1990-11-01 00:00:00

abstract：:We examined the ability of the human surfactant protein B (SP-B) promoter to confer cell specificity of transgene expression in an adenoviral vector. Using similar replication-deficient adenoviruses (rAd), we compared lacZ reporter gene expression driven by the human SP-B promoter (rAd.SPBlacZ) with the ubiquitously e...

journal_title：American journal of respiratory cell and molecular biology

authors： Strayer MS,Guttentag SH,Ballard PL

更新日期：1998-01-01 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：:Interleukin (IL)-1beta stimulates the release of granulocyte macrophage colony-stimulating factor (GM-CSF) from lung epithelial cells. To investigate the molecular mechanisms underlying GM-CSF regulation, we studied GM-CSF production, messenger RNA (mRNA) expression levels, and GM-CSF promoter activity in A549 human a...

journal_title：American journal of respiratory cell and molecular biology

authors： Bergmann M,Barnes PJ,Newton R

更新日期：2000-05-01 00:00:00

abstract：:Previous studies have shown that polymorphonuclear leukocytes (PMN) are delayed in the pulmonary capillaries by the presence of cigarette smoke. To determine if the PMN delayed by smoking are activated, we estimated the in vivo expression of CD11/CD18 and L-selectin on the surface of PMN in lungs and peripheral blood ...

journal_title：American journal of respiratory cell and molecular biology

authors： Klut ME,Doerschuk CM,Van Eeden SF,Burns AR,Hogg JC

更新日期：1993-07-01 00:00:00

abstract：:The mammalian alveolar epithelium is composed of alveolar type I (AT1) and alveolar type II (AT2) cells that together coordinate tissue function. We used a heterocellular culture model of AT1 and AT2 cells to determine pathways for intercellular signaling between these two phenotypes. Gap junction protein (connexin) p...

journal_title：American journal of respiratory cell and molecular biology

authors： Isakson BE,Seedorf GJ,Lubman RL,Evans WH,Boitano S

更新日期：2003-11-01 00:00:00

abstract：:T lymphocytes and alveolar macrophages accumulating in the lower respiratory tract of patients with pulmonary sarcoidosis are known to be activated to produce several cytokines, presumably leading to granuloma formation within the lung. We hypothesized that these cells produce colony-stimulating factors (CSFs), which ...

journal_title：American journal of respiratory cell and molecular biology

authors： Itoh A,Yamaguchi E,Kuzumaki N,Okazaki N,Furuya K,Abe S,Kawakami Y

更新日期：1990-09-01 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：: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：: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：:Recent evidence from genetic experiments in yeast and from studies using guanosine triphosphate (GTP) analogues in mammalian cells suggests a key role for low-molecular-mass GTP-binding proteins (LMM-GBPs) (Mr 19 to 28 kD) in processes of intracellular vesicular sorting and secretion. Assembly and exocytosis of the la...

journal_title：American journal of respiratory cell and molecular biology

authors： Rubins JB,Panchenko M,Shannon TM,Dickey BF

更新日期：1992-03-01 00:00:00

abstract：:The mammalian airways are sensitive to inhaled stimuli, and airway diseases are characterized by hypersensitivity to volatile stimuli, such as perfumes, industrial solvents, and others. However, the identity and function of the cells in the airway that can sense volatile chemicals remain uncertain, particularly in hum...

journal_title：American journal of respiratory cell and molecular biology

authors： Gu X,Karp PH,Brody SL,Pierce RA,Welsh MJ,Holtzman MJ,Ben-Shahar Y

更新日期：2014-03-01 00:00:00

abstract：:The airway epithelium plays a critical role in innate responses to airborne allergens by secreting IL-1 family cytokines such as IL-1α and IL-33 as alarmins that subsequently orchestrate appropriate immune responses. Previous studies revealed that epithelial IL-33 secretion by allergens such as Alternaria alternata or...

journal_title：American journal of respiratory cell and molecular biology

authors： Schiffers C,Hristova M,Habibovic A,Dustin CM,Danyal K,Reynaert NL,Wouters EFM,van der Vliet A

更新日期：2020-08-01 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：: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：:While elastin degradation is a hallmark of pulmonary emphysema, it is likely that elastin synthesis also occurs. However, the supramolecular structure and function of the newly synthesized elastin are abnormal. Very little is known about the regulation of elastin synthesis during the development of emphysema when prom...

journal_title：American journal of respiratory cell and molecular biology

authors： McGowan SE,McNamer R

更新日期：1990-10-01 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：: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：:Recent in vitro studies have suggested that interleukin-4 (IL-4) may be involved in the preferential migration of eosinophils into the airways in allergic asthma through its capacity to selectively increase vascular cell adhesion molecule-1 (VCAM-1) expression on vessels. To test this hypothesis, we studied the expres...

journal_title：American journal of respiratory cell and molecular biology

authors： Fukuda T,Fukushima Y,Numao T,Ando N,Arima M,Nakajima H,Sagara H,Adachi T,Motojima S,Makino S

更新日期：1996-01-01 00:00:00

abstract：:Recent evidence suggests that tyrosine kinases play an important role in signal transduction mechanisms utilized by a range of different agonists in many cell types. We have investigated the effects of four different inhibitors of tyrosine kinases on IgE-dependent histamine release from human lung mast cells and basop...

journal_title：American journal of respiratory cell and molecular biology

authors： Lavens SE,Peachell PT,Warner JA

更新日期：1992-12-01 00:00:00