beta1-Integrins mediate enhancement of airway smooth muscle proliferation by collagen and fibronectin.

abstract：RATIONALE:Chronic hypoxia induces pulmonary vascular remodeling, pulmonary hypertension, and right ventricular hypertrophy. At present, little is known about mechanisms driving these responses. Hypoxia-inducible factor-1α (HIF-1α) is a master regulator of transcription in hypoxic cells, up-regulating genes involved in ...

journal_title：American journal of respiratory and critical care medicine

authors： Ball MK,Waypa GB,Mungai PT,Nielsen JM,Czech L,Dudley VJ,Beussink L,Dettman RW,Berkelhamer SK,Steinhorn RH,Shah SJ,Schumacker PT

更新日期：2014-02-01 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:The association between aging and idiopathic pulmonary fibrosis is established. The associations between aging-related biomarkers and interstitial lung abnormalities (ILA) have not been comprehensively evaluated. OBJECTIVE:Evaluate associations between aging biomarkers, ILA, and all-cause mortality. METHODS...

journal_title：American journal of respiratory and critical care medicine

authors： Sanders JL,Putman RK,Dupuis J,Xu H,Murabito JM,Araki T,Nishino M,Benjamin EJ,Levy DL,Vasan RS,Washko GR,Curtis JL,Freeman CM,Bowler R,Hatabu H,O'Connor GT,Hunninghake GM

更新日期：2020-10-20 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：:Decision analysis was used to compare three alternative strategies for a 6-mo course of treatment for tuberculosis: directly observed drug therapy (DOT), self-administered fixed-dose combination drug therapy, and self-administered conventional individual drug therapy. Estimates of effectiveness were obtained from the ...

journal_title：American journal of respiratory and critical care medicine

authors： Moore RD,Chaulk CP,Griffiths R,Cavalcante S,Chaisson RE

更新日期：1996-10-01 00:00:00

abstract：:The objective of this study was to evaluate the effectiveness of an asthma education program on morbidity, knowledge, and compliance with inhaled corticosteroid treatment using a prospective, randomized, controlled, one-year-before/one-year-after protocol. After rigorous optimization of asthma therapy under the care o...

journal_title：American journal of respiratory and critical care medicine

authors： Coté J,Cartier A,Robichaud P,Boutin H,Malo JL,Rouleau M,Fillion A,Lavallée M,Krusky M,Boulet LP

更新日期：1997-05-01 00:00:00

abstract：:Exhaled nitric oxide (NO) remains a promising noninvasive index for monitoring inflammatory lung diseases; however, the plateau concentration (C(NO,plat)) is nonspecific and requires a constant exhalation flow rate. We utilized a new technique that employs a variable flow rate to estimate key flow-independent paramete...

journal_title：American journal of respiratory and critical care medicine

authors： Shin HW,Rose-Gottron CM,Sufi RS,Perez F,Cooper DM,Wilson AF,George SC

更新日期：2002-02-01 00:00:00

abstract：:The role of strain difference in the response to cigarette smoke was investigated in mice. Mice of the strains DBA/2 and C57BL/6J responded to acute cigarette smoke with a decrease of the antioxidant defenses of their bronchoalveolar lavage (BAL) fluids. On the other hand, under these conditions ICR mice increased the...

journal_title：American journal of respiratory and critical care medicine

authors： Cavarra E,Bartalesi B,Lucattelli M,Fineschi S,Lunghi B,Gambelli F,Ortiz LA,Martorana PA,Lungarella G

更新日期：2001-09-01 00:00:00

abstract：:We review recent advances in the use of corticosteroids (CS) in pediatric lung disease. CS are frequently used, systemically or by inhalation. Their mechanisms of action in pulmonary diseases are ill defined. CS exert direct inhibitory effects on many inflammatory cells through genomic mechanisms. There is a time lag ...

journal_title：American journal of respiratory and critical care medicine

authors： de Benedictis FM,Bush A

更新日期：2012-01-01 00:00:00

abstract：:To investigate whether the magnitude of blood flow contributes to ventilator-induced lung injury, 14 sets of isolated rabbit lungs were randomized for perfusion at either 300 (Group A: n = 7) or 900 ml/ min (Group B: n = 7) while ventilated with 30 cm H2O peak static pressure. Control lungs (Group C: n = 7) were venti...

journal_title：American journal of respiratory and critical care medicine

authors： Broccard AF,Hotchkiss JR,Kuwayama N,Olson DA,Jamal S,Wangensteen DO,Marini JJ

更新日期：1998-06-01 00:00:00

abstract：:Vitamin D receptor (VDR) polymorphisms have been associated with several immune-related diseases, and VDR and vitamin D itself modulate T cell differentiation. VDR maps to chromosome 12q, near a region commonly linked to asthma. We evaluated VDR as part of a 12q positional candidate survey, and in response to observat...

journal_title：American journal of respiratory and critical care medicine

authors： Raby BA,Lazarus R,Silverman EK,Lake S,Lange C,Wjst M,Weiss ST

更新日期：2004-11-15 00:00:00

abstract：RATIONALE:Immunophenotypes of antiviral responses, and their relationship with asthma, allergy, and lower respiratory tract infections, are poorly understood. OBJECTIVES:We characterized multiple cytokine responses of peripheral blood mononuclear cells to rhinovirus stimulation, and their relationship with clinical ou...

journal_title：American journal of respiratory and critical care medicine

authors： Custovic A,Belgrave D,Lin L,Bakhsoliani E,Telcian AG,Solari R,Murray CS,Walton RP,Curtin J,Edwards MR,Simpson A,Rattray M,Johnston SL

更新日期：2018-05-15 00:00:00

abstract：RATIONALE:Observational studies link statin therapy with improved outcomes in patients with severe sepsis. OBJECTIVES:To test whether atorvastatin therapy affects biologic and clinical outcomes in critically ill patients with severe sepsis. METHODS:Phase II, multicenter, prospective, randomized, double-blind, placebo...

journal_title：American journal of respiratory and critical care medicine

authors： Kruger P,Bailey M,Bellomo R,Cooper DJ,Harward M,Higgins A,Howe B,Jones D,Joyce C,Kostner K,McNeil J,Nichol A,Roberts MS,Syres G,Venkatesh B,ANZ-STATInS Investigators–ANZICS Clinical Trials Group.

更新日期：2013-04-01 00:00:00

abstract：:Little is known about the structural response of the diaphragm to controlled mechanical ventilation. We examined effects of this intervention on muscle mass, myosin heavy chain isoforms, and contractile function in the rat diaphragm. Animals were mechanically ventilated for up to 4 days, and comparisons were made with...

journal_title：American journal of respiratory and critical care medicine

authors： Yang L,Luo J,Bourdon J,Lin MC,Gottfried SB,Petrof BJ

更新日期：2002-10-15 00:00:00

abstract：:The intestinal immune system discriminates between potentially harmful and harmless foreign proteins. The basis for this differential response may be related to the conditions of antigen presentation by antigen-presenting cells, as determined by their phenotype or activation state. How these conditions affect specific...

journal_title：American journal of respiratory and critical care medicine

authors： Smith KM,Eaton AD,Finlayson LM,Garside P

更新日期：2000-10-01 00:00:00

abstract：:Four hundred forty-one subjects 34 to 69 yr of age were recruited from a random sample of the community. The sample was biased in favor of men, snorers, and subjects with subjective sleep complaints. They answered a questionnaire and were monitored in their homes for sleep-disordered breathing (SDB). This report conce...

journal_title：American journal of respiratory and critical care medicine

authors： Olson LG,King MT,Hensley MJ,Saunders NA

更新日期：1995-08-01 00:00:00

abstract：:We reasoned that a prospective assessment of glucocorticoid withdrawal in subjects with asthma would provide insight into the basis for flares of the disease. We therefore enrolled 25 subjects with moderate persistent asthma and treated them for 30 days with inhaled fluticasone propionate (1,760 microg/day) followed b...

journal_title：American journal of respiratory and critical care medicine

authors： Castro M,Bloch SR,Jenkerson MV,DeMartino S,Hamilos DL,Cochran RB,Zhang XE,Wang H,Bradley JP,Schechtman KB,Holtzman MJ

更新日期：2004-04-01 00:00:00

abstract：:Infection of the cystic fibrosis (CF) airways elicits an exaggerated, interleukin-8 (IL-8) mediated, neutrophil inflammatory response. Necrosing neutrophils release DNA and actin into the airways, increasing the viscoelasticity of airway secretions. Mucolytics aim to improve airway clearance by reducing this viscoelas...

journal_title：American journal of respiratory and critical care medicine

authors： Perks B,Shute JK

更新日期：2000-11-01 00:00:00

abstract：:Preventing, treating, and promoting recovery from critical illness due to pulmonary disease are foundational goals of the critical care community and the National Heart, Lung, and Blood Institute. Decades of clinical research in acute respiratory distress syndrome, acute respiratory failure, pneumonia, and sepsis have...

journal_title：American journal of respiratory and critical care medicine

authors： Semler MW,Bernard GR,Aaron SD,Angus DC,Biros MH,Brower RG,Calfee CS,Colantuoni EA,Ferguson ND,Gong MN,Hopkins RO,Hough CL,Iwashyna TJ,Levy BD,Martin TR,Matthay MA,Mizgerd JP,Moss M,Needham DM,Self WH,Seymour CW,

更新日期：2020-03-09 00:00:00

abstract：:The effects of conventional mechanical ventilation (CMV) and high-frequency oscillatory ventilation (HFO) on intraalveolar expression of the tumor necrosis factor-alpha (TNF-alpha) gene were studied in surfactant-depleted rabbits. After lung lavage with saline, 13 rabbits were administered either CMV (n = 6) or HFO (n...

journal_title：American journal of respiratory and critical care medicine

authors： Takata M,Abe J,Tanaka H,Kitano Y,Doi S,Kohsaka T,Miyasaka K

更新日期：1997-07-01 00:00:00

abstract：:The number of alveoli is a key structural determinant of lung architecture. A design-based stereologic approach was used for the direct and unbiased estimation of alveolar number in the human lung. The principle is based on two-dimensional topology in three-dimensional space and is free of assumptions on the shape, si...

journal_title：American journal of respiratory and critical care medicine

authors： Ochs M,Nyengaard JR,Jung A,Knudsen L,Voigt M,Wahlers T,Richter J,Gundersen HJ

更新日期：2004-01-01 00:00:00

abstract：:To investigate patterns of testing for human immunodeficiency virus (HIV) infection in tuberculosis patients, we obtained data from the tuberculosis registry and from medical records of 500 tuberculosis patients in Los Angeles County. Sixty-three percent of tuberculosis patients were tested for HIV infection, and mult...

journal_title：American journal of respiratory and critical care medicine

authors： Asch SM,London AS,Barnes PF,Gelberg L

更新日期：1997-01-01 00:00:00

abstract：:The Child Health Questionnaire (CHQ-PF50) is one of several recent efforts to gauge pediatric, health-related quality of life from the patient's (or parent's) perspective. Although tested extensively with healthy children, more information is needed about CHQ performance among children with chronic conditions such as ...

journal_title：American journal of respiratory and critical care medicine

authors： Asmussen L,Olson LM,Grant EN,Landgraf JM,Fagan J,Weiss KB

更新日期：2000-10-01 00:00:00

abstract：:We hypothesized that ischemia/reperfusion (I/R) injury of the liver during normotensive gram-negative bacteremic sepsis alters the kinetics of circulating endotoxin, tumor necrosis factor-alpha (TNF-alpha), and coinduced mediators, thereby exacerbating sepsis-induced lung inflammation. Liver and lung dysfunction were ...

journal_title：American journal of respiratory and critical care medicine

authors： Matuschak GM,Henry KA,Johanns CA,Lechner AJ

更新日期：2001-03-01 00:00:00

abstract：:Salbutamol inhibits neutropenia, increased airway resistance, and gas exchange abnormalities provoked by platelet-activating factor (PAF) challenge in normal persons. To further explore the intriguing dissociation between spirometric abnormalities and gas exchange defects shown in patients with asthma, we investigated...

journal_title：American journal of respiratory and critical care medicine

authors： Díaz O,Barberà JA,Marrades R,Chung KF,Roca J,Rodriguez-Roisin R

更新日期：1997-07-01 00:00:00

abstract：:Rationale: Decisions in medicine are made on the basis of knowledge and reasoning, often in shared conversations with patients and families in consideration of clinical practice guideline recommendations, individual preferences, and individual goals. Observational studies can provide valuable knowledge to inform guide...

journal_title：American journal of respiratory and critical care medicine

authors： Gershon AS,Lindenauer PK,Wilson KC,Rose L,Walkey AJ,Sadatsafavi M,Anstrom KJ,Au DH,Bender BG,Brookhart MA,Dweik RA,Han MK,Joo MJ,Lavergne V,Mehta AB,Miravitlles M,Mularski RA,Roche N,Oren E,Riekert KA,Schoenberg N

更新日期：2021-01-01 00:00:00

abstract：RATIONALE:Patients with obstructive sleep apnea (OSA) adapt to the anatomical vulnerability of their upper airway by generating increased activity in upper airway-dilating muscles during wakefulness. Norepinephrine (NE) and serotonin (5-HT) mediate, through α₁-adrenergic and 5-HT₂A receptors, a wake-related excitatory ...

journal_title：American journal of respiratory and critical care medicine

authors： Rukhadze I,Fenik VB,Benincasa KE,Price A,Kubin L

更新日期：2010-11-15 00:00:00

abstract：:Tracheal and lung parenchymal SP-LI (substance P-like immunoreactivity) and VIP-LI (vasoactive intestinal peptide-like immunoreactivity) content was measured in HPLC-purified tissue extracts from patients with and without asthma. We detected significantly less SP-LI in tracheal tissue from asthmatic than from nonasthm...

journal_title：American journal of respiratory and critical care medicine

authors： Lilly CM,Bai TR,Shore SA,Hall AE,Drazen JM

更新日期：1995-02-01 00:00:00

abstract：:The effect of suplatast tosilate, which has been proven to inhibit T-cell synthesis of IL-4 and IL-5, on the response to antigen inhalation challenge was investigated in sensitized guinea pigs. The animals were given an oral dose of 30 or 100 mg/kg of suplatast or vehicle (distilled water) daily for 1 wk before antige...

journal_title：American journal of respiratory and critical care medicine

authors： Iijima H,Tamura G,Hsiue TR,Liu Y,Taniguchi H,Shirato K

更新日期：1999-07-01 00:00:00

abstract：:Lone cryptogenic fibrosing alveolitis (CFA) is a progressive interstitial lung disease, with a median survival of 3 to 6 yr from the onset of dyspnea. CFA can be subdivided into prognostically significant histopathologic patterns, including nonspecific interstitial pneumonia (NSIP). We reviewed 78 patients with a clin...

journal_title：American journal of respiratory and critical care medicine

authors： Nicholson AG,Colby TV,du Bois RM,Hansell DM,Wells AU

更新日期：2000-12-01 00:00:00