Persistent osteopenia in adult cystic fibrosis transmembrane conductance regulator-deficient mice.

abstract：:During exercise, children with congenital central hypoventilation syndrome (CCHS) demonstrate coupling of VE to exercise load, despite the absence of a VE response to changes in FICO2. To assess the effect of movement on VE, we studied six CCHS patients and six matched controls during passive motion in a motor-driven ...

journal_title：American journal of respiratory and critical care medicine

authors： Gozal D,Marcus CL,Ward SL,Keens TG

更新日期：1996-02-01 00:00:00

abstract：:Tumor-associated angiogenesis is important for tumor growth and metastasis. Interleukin (IL)-8 was recently reported to be an important angiogenic factor both in vitro and in vivo. In this study we evaluated, for the first time, IL-8 messenger RNA (mRNA) expression in non-small-cell lung cancer (NSCLC), using real-tim...

journal_title：American journal of respiratory and critical care medicine

authors： Yuan A,Yang PC,Yu CJ,Chen WJ,Lin FY,Kuo SH,Luh KT

更新日期：2000-11-01 00:00:00

abstract：RATIONALE:In a pulmonary process characterized by spatially heterogeneous loss of aeration, the impairment of gas exchange is expected to depend on the regional distribution of perfusion relative to that of aeration. OBJECTIVES:To investigate how regional aeration, shunt, and perfusion are interrelated at different le...

journal_title：American journal of respiratory and critical care medicine

authors： Musch G,Bellani G,Vidal Melo MF,Harris RS,Winkler T,Schroeder T,Venegas JG

更新日期：2008-02-01 00:00:00

abstract：:The physiopathology of chronic cough remains obscure. We evaluated the possibility that chronic cough in nonasthmatic subjects is associated with airway inflammation, and if this is so, what the relationship between this inflammation and the possible etiology of cough might be, as well as its response to inhaled stero...

journal_title：American journal of respiratory and critical care medicine

authors： Boulet LP,Milot J,Boutet M,St Georges F,Laviolette M

更新日期：1994-02-01 00:00:00

abstract：:Granulocyte-macrophage colony-stimulating factor (GM-CSF) is used to ameliorate neutropenia in patients after antineoplastic treatment. It has also been suggested as an adjunct treatment in septic patients; however, the recruitment and priming of leukocytes by GM-CSF bears the hazard of a hyperinflammatory response. I...

journal_title：American journal of respiratory and critical care medicine

authors： Wollin L,Uhlig S,Nüsing R,Wendel A

更新日期：2001-02-01 00:00:00

abstract：:Rationale: The contributions of diverse cell populations in the human lung to pulmonary fibrosis pathogenesis are poorly understood. Single-cell RNA sequencing can reveal changes within individual cell populations during pulmonary fibrosis that are important for disease pathogenesis. Objectives: To determine whether s...

journal_title：American journal of respiratory and critical care medicine

authors： Reyfman PA,Walter JM,Joshi N,Anekalla KR,McQuattie-Pimentel AC,Chiu S,Fernandez R,Akbarpour M,Chen CI,Ren Z,Verma R,Abdala-Valencia H,Nam K,Chi M,Han S,Gonzalez-Gonzalez FJ,Soberanes S,Watanabe S,Williams KJN,Flozak

更新日期：2019-06-15 00:00:00

abstract：:In order to assess the usefulness of sputum analysis in studying plasma-protein exudation and local secretion of proteins in the airways, we measured specific proteins in the sputum sol phase (SSP) and sputum gel phase (SGP) from patients with stable asthma or chronic obstructive pulmonary disease (COPD). Protein leve...

journal_title：American journal of respiratory and critical care medicine

authors： Schoonbrood DF,Lutter R,Habets FJ,Roos CM,Jansen HM,Out TA

更新日期：1994-12-01 00:00:00

abstract：:A dysfunction of pathways that normally cause contraction or relaxation of airways has been proposed to explain heightened levels of responsiveness produced by various insults to the airway. For example, we previously reported (4) that infection of cotton rats with the human respiratory syncytial virus (HRSV) leads to...

journal_title：American journal of respiratory and critical care medicine

authors： Colasurdo GN,Hemming VG,Prince GA,Gelfand AS,Loader JE,Larsen GL

更新日期：1998-05-01 00:00:00

abstract：:Although impairment of gas exchange caused by ventilation-perfusion (VA/Q) mismatch has been extensively analyzed, there have been no systematic studies focused on determining the distributions of diffusion properties in dose connection with those of VA/Q. We attempted to clarify the simultaneous distributions of VA/Q...

journal_title：American journal of respiratory and critical care medicine

authors： Yamaguchi K,Mori M,Kawai A,Takasugi T,Oyamada Y,Koda E

更新日期：1997-07-01 00:00:00

abstract：:Allergen-induced bronchoconstriction involves mast cell activation. Tryptase is a mast cell serine protease that is released during this process, but little is known about the action of tryptase in the airway. The purpose of this study was to determine: (1) if aerosolized tryptase causes bronchoconstriction, and (2) t...

journal_title：American journal of respiratory and critical care medicine

authors： Molinari JF,Scuri M,Moore WR,Clark J,Tanaka R,Abraham WM

更新日期：1996-09-01 00:00:00

abstract：RATIONALE:Regional hypoventilation in bronchoconstricted patients with asthma is spatially associated with reduced perfusion, which is proposed to result from hypoxic pulmonary vasoconstriction (HPV). OBJECTIVES:To determine the role of HPV in the regional perfusion redistribution in bronchoconstricted patients with a...

journal_title：American journal of respiratory and critical care medicine

authors： Kelly VJ,Hibbert KA,Kohli P,Kone M,Greenblatt EE,Venegas JG,Winkler T,Harris RS

更新日期：2017-10-01 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：:The aim of this study was to compare the effects of salmeterol and beclomethasone on lung function and symptoms in children with mild to moderate asthma. Sixty-seven children not treated with inhaled corticosteroids were randomized in a double-blind parallel study either to salmeterol 50 micrograms b.i.d. or beclometh...

journal_title：American journal of respiratory and critical care medicine

authors： Verberne AA,Frost C,Roorda RJ,van der Laag H,Kerrebijn KF

更新日期：1997-09-01 00:00:00

abstract：RATIONALE:Severe asthma is a major public health issue throughout the world. Increased bronchial smooth muscle (BSM) mass, a characteristic feature of airway remodeling in severe asthma, is associated with resistance to high-intensity treatment and poor prognosis. In vitro, the Ca(2+)-channel blocker gallopamil decreas...

journal_title：American journal of respiratory and critical care medicine

authors： Girodet PO,Dournes G,Thumerel M,Begueret H,Dos Santos P,Ozier A,Dupin I,Trian T,Montaudon M,Laurent F,Marthan R,Berger P

更新日期：2015-04-15 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：:DNA fingerprinting of Mycobacterium tuberculosis is used to study the epidemiology of tuberculosis, but the specificity of the widely used IS6110 technique has not been validated. Isolates from Denver, Colorado from December 1988 through June 1994 were fingerprinted with the IS6110 technique. Available records were re...

journal_title：American journal of respiratory and critical care medicine

authors： Burman WJ,Reves RR,Hawkes AP,Rietmeijer CA,Yang Z,el-Hajj H,Bates JH,Cave MD

更新日期：1997-03-01 00:00:00

abstract：INTRODUCTION:Proteinases with a disintegrin and a metalloproteinase domain (ADAMs) have not been well studied in COPD. We investigated whether ADAM9 is linked to COPD in humans and mice. METHODS:ADAM9 blood and lung levels were measured in COPD patients versus controls, and air- versus cigarette smoke (CS)-exposed wil...

journal_title：American journal of respiratory and critical care medicine

authors： Wang X,Polverino F,Rojas-Quintero J,Zhang D,Sánchez J,Yambayev I,Lindqvist E,Virtala R,Djukanovic R,Davies DE,Wilson S,O'Donnell R,Cunoosamy D,Hazon P,Higham A,Singh D,Olsson H,Owen CA

更新日期：2018-06-04 00:00:00

abstract：:On the basis of studies with animal models, the gene for the low-affinity receptor for immunoglobulin E (IgE) (FCER2, CD23) has been implicated as a candidate for IgE-mediated allergic diseases and bronchial hyperreactivity, or related traits. Given evidence for genetic complexity in atopic disorders, we sought to stu...

journal_title：American journal of respiratory and critical care medicine

authors： Laitinen T,Ollikainen V,Lázaro C,Kauppi P,de Cid R,Antó JM,Estivill X,Lokki H,Mannila H,Laitinen LA,Kere J

更新日期：2000-03-01 00:00:00

abstract：:Bronchoalveolar lavage (BAL) is increasingly used in the pediatric age group. However, normal values for BAL fluid (BALF) constituents are lacking. As part of an investigation to define reference values in children, we studied lymphocyte surface markers of BALF in 28 children 3 to 16 yr of age without bronchopulmonary...

journal_title：American journal of respiratory and critical care medicine

authors： Ratjen F,Bredendiek M,Zheng L,Brendel M,Costabel U

更新日期：1995-07-01 00:00:00

abstract：:Impaired lung epithelial Na(+) channel (ENaC) activity at the time of birth results in respiratory distress. To investigate potential mechanisms, the ontogeny and cellular distribution of the alphaENaC subunit mRNA expression was studied in normal, immature, and abnormal (hypoplastic) human fetal lungs using nonradioi...

journal_title：American journal of respiratory and critical care medicine

authors： Smith DE,Otulakowski G,Yeger H,Post M,Cutz E,O'Brodovich HM

更新日期：2000-04-01 00:00:00

abstract：:Asthma and chronic bronchitis are inflammatory diseases with extracellular matrix (ECM) remodeling and collagen deposition. Collagen homeostasis is controlled by metalloproteinases (MMPs) and tissue inhibitors of metalloproteinases (TIMPs). We evaluated MMP and TIMP balance in induced sputum of 10 control, 31 untreate...

journal_title：American journal of respiratory and critical care medicine

authors： Vignola AM,Riccobono L,Mirabella A,Profita M,Chanez P,Bellia V,Mautino G,D'accardi P,Bousquet J,Bonsignore G

更新日期：1998-12-01 00:00:00

abstract：:A noninvasive means of detecting airway secretions in ventilator-dependent patients is desirable because endotracheal suctioning can result in life-threatening complications. In a patient who had copious secretions, we observed a sawtooth pattern on his flow-volume curve that disappeared after suctioning. Accordingly,...

journal_title：American journal of respiratory and critical care medicine

authors： Jubran A,Tobin MJ

更新日期：1994-09-01 00:00:00

abstract：:To determine if gastric intramucosal pH changes during weaning from mechanical ventilation are related to gastric mucosal blood flow modifications, we studied 16 ventilator-supported patients with chronic obstructive pulmonary disease (COPD) who tolerated a 2-h trial of spontaneous breathing with pressure support vent...

journal_title：American journal of respiratory and critical care medicine

authors： Bocquillon N,Mathieu D,Neviere R,Lefebvre N,Marechal X,Wattel F

更新日期：1999-11-01 00:00:00

abstract：RATIONALE:Sepsis refers to the clinical syndrome of severe systemic inflammation precipitated by infection. Despite appropriate antimicrobial therapy, sepsis-related morbidity and mortality remain intractable problems in critically ill patients. Moreover, there is no specific treatment strategy for the syndrome of seps...

journal_title：American journal of respiratory and critical care medicine

authors： Mei SH,Haitsma JJ,Dos Santos CC,Deng Y,Lai PF,Slutsky AS,Liles WC,Stewart DJ

更新日期：2010-10-15 00:00:00

abstract：:Humans exhibit an acute inflammatory response in the lungs after controlled laboratory exposure to ozone. The present study was designed to test whether biomarkers of inflammation are detectable in humans exposed to ozone and associated copollutants under natural conditions outdoors. Bronchoscopy with bronchoalveolar ...

journal_title：American journal of respiratory and critical care medicine

authors： Kinney PL,Nilsen DM,Lippmann M,Brescia M,Gordon T,McGovern T,El-Fawal H,Devlin RB,Rom WN

更新日期：1996-11-01 00:00:00

abstract：:The reaction of nitric oxide (NO) and superoxide anions (O(2)(-)) in the airway results in the formation of peroxynitrite, a highly reactive oxidant species. Peroxynitrite reacts with tyrosine residues in proteins to form the stable product nitrotyrosine. We investigated whether nitrotyrosine in exhaled breath condens...

journal_title：American journal of respiratory and critical care medicine

authors： Hanazawa T,Kharitonov SA,Barnes PJ

更新日期：2000-10-01 00:00:00

abstract：RATIONALE:Acute lung injury (ALI) that develops 6 hours after transfusion (TRALI) is the leading cause of transfusion-related mortality. Several transfusion characteristics have been postulated as risk factors for TRALI, but the evidence is limited to retrospective studies. OBJECTIVES:To compare patient and transfusio...

journal_title：American journal of respiratory and critical care medicine

authors： Gajic O,Rana R,Winters JL,Yilmaz M,Mendez JL,Rickman OB,O'Byrne MM,Evenson LK,Malinchoc M,DeGoey SR,Afessa B,Hubmayr RD,Moore SB

更新日期：2007-11-01 00:00:00

abstract：RATIONALE:Matrix metalloproteinase-7 (MMP-7) has been implicated in interstitial lung disease pathobiology and proposed as a diagnostic and prognostic biomarker of idiopathic pulmonary fibrosis. OBJECTIVES:To test associations between serum MMP-7 and lung function, respiratory symptoms, interstitial lung abnormalities...

journal_title：American journal of respiratory and critical care medicine

authors： Armstrong HF,Podolanczuk AJ,Barr RG,Oelsner EC,Kawut SM,Hoffman EA,Tracy R,Kaminski N,McClelland RL,Lederer DJ

更新日期：2017-11-15 00:00:00

abstract：:We investigated the relationship between the extent of pulmonary emphysema, assessed by quantitative high-resolution computed tomography (HRCT), and lung mechanics in 24 patients with chronic obstructive pulmonary disease (COPD). The extent of emphysema was quantified as the relative lung area with CT numbers < -950 H...

journal_title：American journal of respiratory and critical care medicine

authors： Baldi S,Miniati M,Bellina CR,Battolla L,Catapano G,Begliomini E,Giustini D,Giuntini C

更新日期：2001-08-15 00:00:00

abstract：RATIONALE:The relation between birth weight and respiratory symptoms and asthma in children remains unclear. Previous studies focused on a relation at separate ages. A longitudinal analysis may lead to a better understanding. OBJECTIVES:To estimate the effect of birth weight on the development and course of respirator...

journal_title：American journal of respiratory and critical care medicine

authors： Caudri D,Wijga A,Gehring U,Smit HA,Brunekreef B,Kerkhof M,Hoekstra M,Gerritsen J,de Jongste JC

更新日期：2007-05-15 00:00:00