Imaging pulmonary gene expression with positron emission tomography.

abstract：:Rationale: Recent studies have demonstrated that extracellular vesicles (EVs) released during acute lung injury (ALI) were inflammatory.Objectives: The current study was undertaken to test the role of EVs induced and released from severe Escherichia coli pneumonia (E. coli EVs) in the pathogenesis of ALI and to determ...

journal_title：American journal of respiratory and critical care medicine

authors： Liu A,Park JH,Zhang X,Sugita S,Naito Y,Lee JH,Kato H,Hao Q,Matthay MA,Lee JW

更新日期：2019-11-15 00:00:00

abstract：RATIONALE:S. aureus is the most common respiratory pathogen isolated from patients with cystic fibrosis (CF) in the US. While modes of acquisition and genetic adaptation have been described for Pseudomonas aeruginosa, resulting in improved diagnosis and treatment, these features remain more poorly defined for S. aureus...

journal_title：American journal of respiratory and critical care medicine

authors： Long DR,Wolter DJ,Lee M,Precit M,McLean K,Holmes E,Penewit K,Waalkes A,Hoffman LR,Salipante SJ

更新日期：2020-12-09 00:00:00

abstract：RATIONALE:Platelets may interact with the immune system in tuberculosis (TB) to regulate human inflammatory responses that lead to morbidity and spread of infection. OBJECTIVES:To identify a functional role of platelets in the innate inflammatory and matrix-degrading response in TB. METHODS:Markers of platelet activa...

journal_title：American journal of respiratory and critical care medicine

authors： Fox KA,Kirwan DE,Whittington AM,Krishnan N,Robertson BD,Gilman RH,López JW,Singh S,Porter JC,Friedland JS

更新日期：2018-07-15 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：:The present study was designed to examine whether clenbuterol (CLEN) could reduce dexamethasone (DEX)-induced diaphragm dysfunction. We studied four groups of New Zealand white (NZW) rabbits, each receiving one of the following daily injections subcutaneously for 2 wk: saline (control), DEX 3 mg/kg, DEX 3 mg/kg + CLEN...

journal_title：American journal of respiratory and critical care medicine

authors： Jiang TX,Cairns A,Road JD,Wilcox PG

更新日期：1996-12-01 00:00:00

abstract：:We derived reference values for slow vital capacity (VC) and flow-volume curve indexes (FVC, FEV(1), and flows) from the 1,185 tracings provided by 1,039 "normal" subjects who participated in one or both cross-sectional surveys of the Po River Delta study in 1980-1982 and in 1988-1991. Definition of "normal" was based...

journal_title：American journal of respiratory and critical care medicine

authors： Pistelli F,Bottai M,Viegi G,Di Pede F,Carrozzi L,Baldacci S,Pedreschi M,Giuntini C

更新日期：2000-03-01 00:00:00

abstract：:Hepatocyte growth factor (HGF) has recently been noted to function as a pulmotrophic factor for lung regeneration. The present study was conducted to determine if HGF would be induced in a rat model of pulmonary ischemia-reperfusion (IR) injury, which was established by occlusion of the left lung, and to examine the s...

journal_title：American journal of respiratory and critical care medicine

authors： Yamada T,Hisanaga M,Nakajima Y,Mizuno S,Matsumoto K,Nakamura T,Nakano H

更新日期：2000-08-01 00:00:00

abstract：:The effect of a dental appliance (DA) is usually evaluated in a single mandibular position reached after several weeks and corresponding to either improvement of symptoms or intolerance to any further advancement. The purpose of this study was to test the feasibility of one-night evaluation of the efficacy of a DA. Th...

journal_title：American journal of respiratory and critical care medicine

authors： Pételle B,Vincent G,Gagnadoux F,Rakotonanahary D,Meyer B,Fleury B

更新日期：2002-04-15 00:00:00

abstract：:Noninvasive and invasive diagnostic techniques have been shown to achieve comparable performances in the evaluation of suspected ventilator-associated pneumonia (VAP). We studied the impact of both approaches on outcome in a prospective, open, and randomized study in three intensive care units (ICUs) of a 1,000-bed te...

journal_title：American journal of respiratory and critical care medicine

authors： Ruiz M,Torres A,Ewig S,Marcos MA,Alcón A,Lledó R,Asenjo MA,Maldonaldo A

更新日期：2000-07-01 00:00:00

abstract：:Lymphangioleiomyomatosis (LAM), a disease that occurs primarily in women, is characterized by cystic lung lesions causing respiratory failure, which may require lung transplantation. Lung diffusion (DLCO) and/or FEV1 are decreased, but frequently not in parallel with each other. Because cardiopulmonary exercise testin...

journal_title：American journal of respiratory and critical care medicine

authors： Taveira-DaSilva AM,Stylianou MP,Hedin CJ,Kristof AS,Avila NA,Rabel A,Travis WD,Moss J

更新日期：2003-12-15 00:00:00

abstract：:Systemic inflammation is present in chronic obstructive pulmonary disease (COPD), which has been linked to cardiovascular morbidity and mortality. We determined the effects of oral and inhaled corticosteroids on serum markers of inflammation in patients with stable COPD. We recruited 41 patients with mild to moderate ...

journal_title：American journal of respiratory and critical care medicine

authors： Sin DD,Lacy P,York E,Man SF

更新日期：2004-10-01 00:00:00

abstract：:Chronic beryllium disease (CBD) provides a model system in which to evaluate the antigen-stimulated, cell-mediated, immune response that leads to granulomatous lung disease. We hypothesized that beryllium salts would stimulate bronchoalveolar lavage (BAL) cell release of tumor necrosis factor-alpha (TNF-alpha) and lnt...

journal_title：American journal of respiratory and critical care medicine

authors： Tinkle SS,Newman LS

更新日期：1997-12-01 00:00:00

abstract：RATIONALE:The generation of protective secretory IgA relies on the epithelial polymeric immunoglobulin receptor (pIgR). pIgR expression is reduced in chronic obstructive pulmonary disease (COPD), but correlation to disease severity and underlying mechanisms remains unknown. OBJECTIVES:To address the hypothesis that pI...

journal_title：American journal of respiratory and critical care medicine

authors： Gohy ST,Detry BR,Lecocq M,Bouzin C,Weynand BA,Amatngalim GD,Sibille YM,Pilette C

更新日期：2014-09-01 00:00:00

abstract：:Ventilation style influences lung injury and the amount of large-aggregate biophysically active surfactant in adult lungs. We asked how positive end-expiratory pressures (PEEP) would influence clinical responses and surfactant pools in surfactant-treated preterm lambs ventilated for 7 h with tidal volumes (VT) of 10 m...

journal_title：American journal of respiratory and critical care medicine

authors： Michna J,Jobe AH,Ikegami M

更新日期：1999-08-01 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：: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：:Exaggerated airway narrowing in response to bronchoconstricting stimuli is a characteristic feature of asthmatic subjects. It is unknown whether the site of airway narrowing differs in asthmatic subjects from that observed in normal subjects. Increased airway wall thickness has been suggested as a contributing cause f...

journal_title：American journal of respiratory and critical care medicine

authors： Okazawa M,Müller N,McNamara AE,Child S,Verburgt L,Paré PD

更新日期：1996-11-01 00:00:00

abstract：RATIONALE:Spirometric detection of airway obstruction in adults requires separate predictive formulae for each ethnicity and sex for percentage of FEV(1)/FVC (%FEV(1)/FVC) and percentage of FEV(3)/FVC (%FEV(3)/FVC), the major measurements for defining airway obstruction. OBJECTIVES:To eliminate the need for multiple f...

journal_title：American journal of respiratory and critical care medicine

authors： Hansen JE,Sun XG,Wasserman K

更新日期：2006-09-01 00:00:00

abstract：:Although contraction of human isolated bronchi is mediated mainly by tachykinin NK2 receptors, NK1 receptors, via prostanoid release, contract small-size (approximately 1 mm in diameter) bronchi. Here, we have investigated the presence and biological responses of NK1 receptors in medium-size (2-5 mm in diameter) human...

journal_title：American journal of respiratory and critical care medicine

authors： Amadesi S,Moreau J,Tognetto M,Springer J,Trevisani M,Naline E,Advenier C,Fisher A,Vinci D,Mapp C,Miotto D,Cavallesco G,Geppetti P

更新日期：2001-04-01 00:00:00

abstract：RATIONALE:Previous studies have demonstrated a high prevalence of sleep apnea (SA) in patients with chronic heart failure (HF), which is associated with higher rates of morbidity, mortality, and health care use. OBJECTIVES:To investigate the reported incidence, treatment, outcomes, and economic cost of SA in new-onset...

journal_title：American journal of respiratory and critical care medicine

authors： Javaheri S,Caref EB,Chen E,Tong KB,Abraham WT

更新日期：2011-02-15 00:00:00

abstract：:The effects of glutathione-S-transferase (GST) M1, GSTT1, and GSTP1 genotypes on lung function growth were investigated in 1,940 children enrolled in the Children's Health Study as fourth graders (aged 8-11 years) in two cohorts during 1993 and 1996 and were followed annually over a 4-year period. Genotypes for GSTM1 ...

journal_title：American journal of respiratory and critical care medicine

authors： Gilliland FD,Gauderman WJ,Vora H,Rappaport E,Dubeau L

更新日期：2002-09-01 00:00:00

abstract：RATIONALE:Serum chitinases may be novel biomarkers of airway inflammation and remodeling, but less is known about factors regulating their levels. OBJECTIVES:To examine serum chitotriosidase activity and YKL-40 levels in patients with asthma and chronic obstructive pulmonary disease (COPD) and evaluate clinically rele...

journal_title：American journal of respiratory and critical care medicine

authors： James AJ,Reinius LE,Verhoek M,Gomes A,Kupczyk M,Hammar U,Ono J,Ohta S,Izuhara K,Bel E,Kere J,Söderhäll C,Dahlén B,Boot RG,Dahlén SE,BIOAIR (Longitudinal Assessment of Clinical Course and Biomarkers in Severe Chronic Airway

更新日期：2016-01-15 00:00:00

abstract：:Neutrophil infiltration is a major feature in the pathogenesis of the common cold, and respiratory viral infection is the major cause of asthma exacerbations. The factors regulating the neutrophil influx are unknown. Interleukin-8 (IL-8) is a potent neutrophil chemoattractant, which has been implicated in several infl...

journal_title：American journal of respiratory and critical care medicine

authors： Teran LM,Johnston SL,Schröder JM,Church MK,Holgate ST

更新日期：1997-04-01 00:00:00

abstract：RATIONALE:Neutrophils are key players in chronic obstructive pulmonary disease (COPD), and increased numbers of neutrophils are present in sputum and lung tissue of patients with COPD. Interestingly, immunoglobulin free light chains (IgLC) are able to prolong the life of neutrophils; therefore, IgLC may contribute to t...

journal_title：American journal of respiratory and critical care medicine

authors： Braber S,Thio M,Blokhuis BR,Henricks PA,Koelink PJ,Groot Kormelink T,Bezemer GF,Kerstjens HA,Postma DS,Garssen J,Kraneveld AD,Redegeld FA,Folkerts G

更新日期：2012-04-15 00:00:00

abstract：:Lymphocyte migration from the blood into the lung has been suggested as being responsible for the increase of lymphocytes, in particular CD4 T cells, in the bronchoalveolar lavage (BAL) and bronchial mucosa in human asthma, but so far there has been no direct proof. We studied lymphocyte immigration and lymphocyte sub...

journal_title：American journal of respiratory and critical care medicine

authors： Schuster M,Tschernig T,Krug N,Pabst R

更新日期：2000-02-01 00:00:00

abstract：:Until recently it was thought that age greater than 35 yr was the main risk factor for the development of drug-induced hepatitis (DIH) in patients receiving antituberculosis therapy. We conducted a study to determine whether infection with either the hepatitis C virus or the human immunodeficiency virus (HIV) were sig...

journal_title：American journal of respiratory and critical care medicine

authors： Ungo JR,Jones D,Ashkin D,Hollender ES,Bernstein D,Albanese AP,Pitchenik AE

更新日期：1998-06-01 00:00:00

abstract：:We evaluated ultrasonic examination as a diagnostic tool for catheter misplacement and pneumothorax after central venous catheter insertion. Physicians in the intensive care unit (ICU) performed the ultrasonic examinations, and the results were compared with those of chest radiography. Eighty-five central venous cathe...

journal_title：American journal of respiratory and critical care medicine

authors： Maury E,Guglielminotti J,Alzieu M,Guidet B,Offenstadt G

更新日期：2001-08-01 00:00:00

abstract：RATIONALE:Reactivation tuberculosis (TB) occurs as a result of reactivation of latent TB infection (LTBI), and was reported to occur in the United States at a rate of 0.10 to 0.16 cases per 100 person-years in the 1950s; it has not been measured since. OBJECTIVES:To calculate the rate of reactivation TB in a U.S. comm...

journal_title：American journal of respiratory and critical care medicine

authors： Horsburgh CR Jr,O'Donnell M,Chamblee S,Moreland JL,Johnson J,Marsh BJ,Narita M,Johnson LS,von Reyn CF

更新日期：2010-08-01 00:00:00

abstract：:To quantify changes in tissue oxygenation of pathologic lungs, we applied a novel method using near-infrared spectroscopy (NIRs). In in vitro experiments, we assayed the effect of photon scattering on the absorption spectra of an in vitro system simulating structures of lung, which consists of test tube containing air...

journal_title：American journal of respiratory and critical care medicine

authors： Noriyuki T,Ohdan H,Yoshioka S,Miyata Y,Asahara T,Dohi K

更新日期：1997-11-01 00:00:00

abstract：:The renin angiotensin system plays an important role in the development of pulmonary artery remodeling and right ventricular hypertrophy in hypoxia-induced pulmonary hypertension as may occur in patients with COPD. Several polymorphisms of genes encoding for components of the renin angiotensin system such as the M235T...

journal_title：American journal of respiratory and critical care medicine

authors： van Suylen RJ,Wouters EF,Pennings HJ,Cheriex EC,van Pol PE,Ambergen AW,Vermelis AM,Daemen MJ

更新日期：1999-06-01 00:00:00