Human bronchial smooth muscle cell lines show a hypertrophic phenotype typical of severe asthma.

abstract：RATIONALE:The discovery that retinoic acid-related orphan receptor (Rora)-α is highly expressed in lungs of patients with COPD led us to hypothesize that Rora may contribute to the pathogenesis of emphysema. OBJECTIVES:To determine the role of Rora in smoke-induced emphysema. METHODS:Cigarette smoke extract in vitro ...

journal_title：American journal of respiratory and critical care medicine

authors： Shi Y,Cao J,Gao J,Zheng L,Goodwin A,An CH,Patel A,Lee JS,Duncan SR,Kaminski N,Pandit KV,Rosas IO,Choi AM,Morse D

更新日期：2012-09-01 00:00:00

abstract：RATIONALE:Long-term intermittent hypoxia (LTIH) exposure in adult mice, modeling oxygenation patterns of moderate-severe obstructive sleep apnea, results in lasting hypersomnolence and is associated with nitration and oxidation injuries in many brain regions, including wake-active regions. OBJECTIVES:We sought to dete...

journal_title：American journal of respiratory and critical care medicine

authors： Zhan G,Fenik P,Pratico D,Veasey SC

更新日期：2005-06-15 00:00:00

abstract：:Although airway inflammation is recognized as a key feature of asthma, the characteristics of airway inflammation in children with acute severe asthma are not well defined. The aim of this study was to describe the characteristics of airway inflammation in children with an acute exacerbation of asthma using sputum cel...

journal_title：American journal of respiratory and critical care medicine

authors： Norzila MZ,Fakes K,Henry RL,Simpson J,Gibson PG

更新日期：2000-03-01 00:00:00

abstract：:Long-term effects of high doses of inhaled corticosteroids (ICS) on bone density and metabolism are still uncertain. Fifty-one patients (37 male, 14 female) using beclomethasone or budesonide at a daily dose > 800 microgram/d (high-dose group [Group HD] mean: 983 microgram/d [prescribed dose x estimated compliance]) o...

journal_title：American journal of respiratory and critical care medicine

authors： Boulet LP,Milot J,Gagnon L,Poubelle PE,Brown J

更新日期：1999-03-01 00:00:00

abstract：RATIONALE:Mast cells have important roles in innate immunity and tissue remodeling but have remained poorly studied in inflammatory airway diseases like chronic obstructive pulmonary disease (COPD). OBJECTIVES:To perform a detailed histological characterization of human lung mast cell populations at different severiti...

journal_title：American journal of respiratory and critical care medicine

authors： Andersson CK,Mori M,Bjermer L,Löfdahl CG,Erjefält JS

更新日期：2010-02-01 00:00:00

abstract：:Isoniazid taken daily for 12 mo and isoniazid and rifampin taken daily for 4 mo are both recommended options for patients with radiographic evidence of previous tuberculosis and positive tuberculin skin tests who have not had prior treatment. We compared the completion rates, number of adverse effects, and cost effect...

journal_title：American journal of respiratory and critical care medicine

authors： Jasmer RM,Snyder DC,Chin DP,Hopewell PC,Cuthbert SS,Antonio Paz E,Daley CL

更新日期：2000-11-01 00:00:00

abstract：RATIONALE:The majority of patients with sarcoidosis resolve their condition; however 5-10% of patients with sarcoidosis develop pulmonary fibrosis with poor prognosis. Prostaglandin-endoperoxide synthase 2 (PTGS2) is a key regulatory enzyme in the synthesis of the antifibrotic agent prostaglandin E(2) and is reduced in...

journal_title：American journal of respiratory and critical care medicine

authors： Hill MR,Papafili A,Booth H,Lawson P,Hubner M,Beynon H,Read C,Lindahl G,Marshall RP,McAnulty RJ,Laurent GJ

更新日期：2006-10-15 00:00:00

abstract：RATIONALE:Lung allografts are prone to reperfusion injury and acute rejection, which, in addition to infiltrating lymphocytes, are accompanied by neutrophil infiltration and neutrophil-associated oxidative stress. Indoleamine 2,3-dioxygenase (IDO) is a unique cytosolic enzyme that possesses T-cell-suppressive and antio...

journal_title：American journal of respiratory and critical care medicine

authors： Liu H,Liu L,Fletcher BS,Visner GA

更新日期：2006-03-01 00:00:00

abstract：:Bacterial lipopolysaccharide (LPS) is known to induce the expression of inducible nitric oxide synthase (iNOS) in the lung and to lead to increased pulmonary nitric oxide (NO) production. The contribution of various pulmonary cells to this phenomenon remains unclear. In this study, we used gadolinium chloride, a block...

journal_title：American journal of respiratory and critical care medicine

authors： Fujii Y,Goldberg P,Hussain SN

更新日期：1998-05-01 00:00:00

abstract：:We prospectively investigated the lower airway response in boilermakers overhauling an oil-powered boiler. We studied 26 male boilermakers with a mean age (SD) of 43.3 (8.6) yr. Pre-exposure spirometry and methacholine challenge tests were performed before beginning the boiler overhaul; postexposure tests were perform...

journal_title：American journal of respiratory and critical care medicine

authors： Hauser R,Elreedy S,Hoppin JA,Christiani DC

更新日期：1995-11-01 00:00:00

abstract：:Cilomilast (Ariflo), a new oral phosphodiesterase-4 selective inhibitor, improves lung function in chronic obstructive pulmonary disease (COPD). We have evaluated its antiinflammatory effects in 59 patients with COPD randomized to receive cilomilast, 15 mg two times a day, or placebo for 12 weeks. Induced sputum diffe...

journal_title：American journal of respiratory and critical care medicine

authors： Gamble E,Grootendorst DC,Brightling CE,Troy S,Qiu Y,Zhu J,Parker D,Matin D,Majumdar S,Vignola AM,Kroegel C,Morell F,Hansel TT,Rennard SI,Compton C,Amit O,Tat T,Edelson J,Pavord ID,Rabe KF,Barnes NC,Jeffery PK

更新日期：2003-10-15 00:00:00

abstract：:We assessed the influence of current indoor levels of fungi, house dust mite allergen (Der p 1), and cat allergen (Fel d 1) on sensitization and asthma in adults. A total of 485 adults answered a questionnaire and had skin prick tests and lung function tests. Dust and air samples were collected from their bedrooms. Th...

journal_title：American journal of respiratory and critical care medicine

authors： Dharmage S,Bailey M,Raven J,Mitakakis T,Cheng A,Guest D,Rolland J,Forbes A,Thien F,Abramson M,Walters EH

更新日期：2001-07-01 00:00:00

abstract：:The inflammatory cytokines, tumor necrosis factor-alpha (TNF-alpha) and interleukin-1-beta (IL-1 beta), have been associated with accelerated metabolism and protein turnover following exogenous administration in normal humans. We hypothesized that these inflammatory cytokines might contribute to the weight-losing proc...

journal_title：American journal of respiratory and critical care medicine

authors： de Godoy I,Donahoe M,Calhoun WJ,Mancino J,Rogers RM

更新日期：1996-02-01 00:00:00

abstract：:Rationale: Bronchial thermoplasty (BT) is a bronchoscopic treatment for severe asthma targeting airway smooth muscle (ASM). Observational studies have shown ASM mass reduction after BT, but appropriate control groups are lacking. Furthermore, as treatment response is variable, identifying optimal candidates for BT tre...

journal_title：American journal of respiratory and critical care medicine

authors： Goorsenberg AWM,d'Hooghe JNS,Srikanthan K,Ten Hacken NHT,Weersink EJM,Roelofs JJTH,Kemp SV,Bel EH,Shah PL,Annema JT,Bonta PI,TASMA research group.

更新日期：2021-01-15 00:00:00

abstract：RATIONALE:Intensive care unit (ICU) nurses work in a demanding environment where they are repetitively exposed to traumatic situations and stressful events. The psychological effects on nurses as a result of working in the ICU are relatively unknown. OBJECTIVE:To determine whether there is an increased prevalence of p...

journal_title：American journal of respiratory and critical care medicine

authors： Mealer ML,Shelton A,Berg B,Rothbaum B,Moss M

更新日期：2007-04-01 00:00:00

abstract：RATIONALE:The around-the-clock presence of an in-house attending critical care physician (24/7 coverage) is purported to be associated with improved outcomes among high-risk children with critical illness. OBJECTIVES:To evaluate the association of 24/7 in-house coverage with outcomes in children with critical illness....

journal_title：American journal of respiratory and critical care medicine

authors： Gupta P,Rettiganti M,Rice TB,Wetzel RC

更新日期：2016-12-15 00:00:00

abstract：:Rationale: Limited information is available on racial/ethnic differences in pulmonary arterial hypertension (PAH).Objectives: Determine effects of race/ethnicity and ancestry on mortality and disease outcomes in diverse patients with PAH.Methods: Patients with Group 1 PAH were included from two national registries wit...

journal_title：American journal of respiratory and critical care medicine

authors： Karnes JH,Wiener HW,Schwantes-An TH,Natarajan B,Sweatt AJ,Chaturvedi A,Arora A,Batai K,Nair V,Steiner HE,Giles JB,Yu J,Hosseini M,Pauciulo MW,Lutz KA,Coleman AW,Feldman J,Vanderpool R,Tang H,Garcia JGN,Yuan JX,K

更新日期：2020-06-01 00:00:00

abstract：:Monocyte deactivation has been identified as a major factor of immunosuppression in sepsis and is associated with a loss of surface human leukocyte antigen-DR (HLA-DR) expression on circulating monocytes. Using flow cytometry, quantitative reverse transcription-polymerase chain reaction, we investigated this phenomeno...

journal_title：American journal of respiratory and critical care medicine

authors： Le Tulzo Y,Pangault C,Amiot L,Guilloux V,Tribut O,Arvieux C,Camus C,Fauchet R,Thomas R,Drénou B

更新日期：2004-05-15 00:00:00

abstract：:Regular short-acting inhaled beta-agonist therapy is of uncertain benefit in patients with chronic obstructive pulmonary disease (COPD). We conducted a randomized, concealed, double-blind, placebo-controlled crossover trial in two periods, each of 3-mo duration, involving 53 patients with a smoking history of > 20 pac...

journal_title：American journal of respiratory and critical care medicine

authors： Cook D,Guyatt G,Wong E,Goldstein R,Bedard M,Austin P,Ramsdale H,Jaeschke R,Sears M

更新日期：2001-01-01 00:00:00

abstract：RATIONALE:The CD40 protein plays important roles in cell-mediated and humoral immune responses, especially in immunoglobulin class-switching to IgE. OBJECTIVES:We tested the association of CD40 polymorphisms with the risk of asthma and the level of serum IgE and investigated the functional effect of associated polymor...

journal_title：American journal of respiratory and critical care medicine

authors： Park JH,Chang HS,Park CS,Jang AS,Park BL,Rhim TY,Uh ST,Kim YH,Chung IY,Shin HD

更新日期：2007-04-15 00:00:00

abstract：:In a prospective study, we screened specimens from 190 mechanically ventilated patients hospitalized in a surgical intensive care unit, and from the environment to assess risks and routes of colonization/infection. Specimens from various sites were collected on admission and once a week throughout each patient's stay....

journal_title：American journal of respiratory and critical care medicine

authors： Talon D,Mulin B,Rouget C,Bailly P,Thouverez M,Viel JF

更新日期：1998-03-01 00:00:00

abstract：RATIONALE:Immediate graft performance after lung transplantation is associated with short- and long-term clinical outcomes. However, the biologic mechanism that determines outcomes is not fully understood. OBJECTIVES:To investigate the impact of cell death signals at 24 and 48 hours after lung transplantation on short...

journal_title：American journal of respiratory and critical care medicine

authors： Hashimoto K,Besla R,Zamel R,Juvet S,Kim H,Azad S,Waddell TK,Cypel M,Liu M,Keshavjee S

更新日期：2016-07-01 00:00:00

abstract：:Knowledge of the local and regional doses of inhaled particulates is crucial for inhalation therapy and for understanding the progression of pulmonary disease. We studied the deposition pattern of radioactively tagged particles in rats with chronic bronchitis. Rats were exposed to sulfur dioxide (SO2; 236 +/- 14 ppm) ...

journal_title：American journal of respiratory and critical care medicine

authors： Sweeney TD,Skornik WA,Brain JD,Hatch V,Godleski JJ

更新日期：1995-02-01 00:00:00

abstract：:We found that continuous eosinophilic inflammation after repeated antigen instillation into the nose was observed only in A/J mice, not in three other strains. Histologic analysis of tissues from A/J mice revealed features typical of airway remodeling, i.e., airway wall thickening and increased collagen depositions we...

journal_title：American journal of respiratory and critical care medicine

authors： Shinagawa K,Kojima M

更新日期：2003-10-15 00:00:00

abstract：:In patients with chronic obstructive pulmonary disease (COPD) the intensity of aerobic training is limited by dyspnea. Improving strength of the inspiratory muscles could enhance aerobic exercise training by reducing exercise-related dyspnea. We examined effects of home-based inspiratory muscle training (IMT) and cycl...

journal_title：American journal of respiratory and critical care medicine

authors： Larson JL,Covey MK,Wirtz SE,Berry JK,Alex CG,Langbein WE,Edwards L

更新日期：1999-08-01 00:00:00

abstract：:E-selectin, an early mediator of leukocyte-endothelial adhesion, is expressed on activated endothelium. Soluble E-selectin is present in the supernatant of cytokine-activated endothelial cells and elevated serum levels are found in a variety of inflammatory conditions. We documented elevated E-selectin serum levels in...

journal_title：American journal of respiratory and critical care medicine

authors： Cummings CJ,Sessler CN,Beall LD,Fisher BJ,Best AM,Fowler AA 3rd

更新日期：1997-08-01 00:00:00

abstract：:The lungs of newborn rats exposed to 60% oxygen for 14 days develop an injury that shares morphologic similarities to human bronchopulmonary dysplasia (BPD). Neutrophil influx into the lung, as part of an inflammatory response, may play a pivotal role in the development of BPD. A neutrophil chemokine, cytokine-induced...

journal_title：American journal of respiratory and critical care medicine

authors： Yi M,Jankov RP,Belcastro R,Humes D,Copland I,Shek S,Sweezey NB,Post M,Albertine KH,Auten RL,Tanswell AK

更新日期：2004-12-01 00:00:00

abstract：:Cigarette smoking causes the development of chronic bronchitis and chronic obstructive pulmonary disease. We hypothesized that exposure to cigarette smoke might initiate release of inflammatory mediators by bronchial epithelial cells. To evaluate this, the effect of cigarette smoke extract (CSE) on IL-8 release from c...

journal_title：American journal of respiratory and critical care medicine

authors： Mio T,Romberger DJ,Thompson AB,Robbins RA,Heires A,Rennard SI

更新日期：1997-05-01 00:00:00

abstract：:The epithelium of the paranasal sinuses produces nitric oxide (NO), which probably plays a major role in the nonspecific defense of these cavities through its bacteriostatic and cilia motility stimulation properties. Abundant eosinophils of nasal polyps potentially generate superoxide anion (O2-*), but NO and O2-* ina...

journal_title：American journal of respiratory and critical care medicine

authors： Pasto M,Serrano E,Urocoste E,Barbacanne MA,Guissani A,Didier A,Delisle MB,Rami J,Arnal JF

更新日期：2001-01-01 00:00:00

abstract：:Rationale: The IMPACT (Informing the Pathway of Chronic Obstructive Pulmonary Disease Treatment) trial demonstrated a significant reduction in all-cause mortality (ACM) risk with fluticasone furoate/umeclidinium/vilanterol (FF/UMEC/VI) versus UMEC/VI in patients with chronic obstructive pulmonary disease (COPD) at ris...

journal_title：American journal of respiratory and critical care medicine

authors： Lipson DA,Crim C,Criner GJ,Day NC,Dransfield MT,Halpin DMG,Han MK,Jones CE,Kilbride S,Lange P,Lomas DA,Lettis S,Manchester P,Martin N,Midwinter D,Morris A,Pascoe SJ,Singh D,Wise RA,Martinez FJ

更新日期：2020-06-15 00:00:00