Neutrophil involvement in the retention and clearance of dust intratracheally instilled into the lungs of F344/N rats.

abstract：:Leukotrienes (LTs) are potent vasoconstrictors in the pulmonary circulation. We investigated LTB4 and LTE4 metabolism by intrapulmonary arteries and veins of 2 to 9 days old lambs (n = 6). Paired vessels were incubated under baseline, and stimulated conditions. LTB4 and LTE4 were extracted from media, quantfied by enz...

journal_title：Experimental lung research

authors： Ibe BO,Raj JU

更新日期：2001-06-01 00:00:00

abstract：:In order to investigate some of the characteristics of superoxide anion release from alveolar macrophages, the effects of substances known to influence superoxide release from polymorphonuclear leukocytes (PMN) were studied in rat alveolar macrophages. There is a relatively small, but constant, amount of superoxide re...

journal_title：Experimental lung research

authors： Sweeney TD,Castranova V,Bowman L,Miles PR

更新日期：1981-05-01 00:00:00

abstract：INTRODUCTION:Nintedanib is a multi-tyrosine kinase receptor inhibitor recently approved for treatment of idiopathic pulmonary fibrosis. Although angiogenesis is a key process involved in airway structural changes in patients with bronchial asthma, the effect of nintedanib targeting the angiokinase pathway on airway inf...

journal_title：Experimental lung research

authors： Lee HY,Hur J,Kim IK,Kang JY,Yoon HK,Lee SY,Kwon SS,Kim YK,Rhee CK

更新日期：2017-01-01 00:00:00

abstract：:Studies demonstrated that pathophysiological abnormalities of airway smooth muscle (ASM) contribute significantly to chronic obstructive pulmonary disease (COPD) pathogenesis, the aim of this study is to investigate heat shock protein 70 (Hsp70) in ASM in COPD. ASM from 8 COPD patients and 6 controls were isolated for...

journal_title：Experimental lung research

authors： Xie J,Zhao J,Xiao C,Xu Y,Yang S,Ni W

更新日期：2010-05-01 00:00:00

abstract：:Nuclear factor kappa B (NF-kappa B) is a critical transcription factor for the production of many inflammatory cytokines. It is activated in the airway epithelium of human asthmatics and in mice after allergic stimulation. To examine the role of NF-kappa B activation in allergic inflammation, the authors generated tra...

journal_title：Experimental lung research

authors： Sheller JR,Polosukhin VV,Mitchell D,Cheng DS,Peebles RS,Blackwell TS

更新日期：2009-12-01 00:00:00

abstract：:Urban air consists of a combination of environmental pollutants. Recent studies have suggested that normally innocuous doses of a particular pollutant may be rendered more toxic to the lung if primed by earlier events. Pulmonary inflammation has been observed in humans and in many animal species after endotoxin and oz...

journal_title：Experimental lung research

authors： Johnston CJ,Oberdörster G,Gelein R,Finkelstein JN

更新日期：2002-09-01 00:00:00

abstract：:ABSTRACT During fetal development physiological stretching helps drive lung growth and maturation. At birth, the α-subunit of the alveolar epithelial sodium channel (α-ENaC) is a critical factor in helping to facilitate clearance of lung fluid during the perinatal period. The effects of stretch, however, on α-ENaC exp...

journal_title：Experimental lung research

authors： Mustafa SB,Isaac J,Seidner SR,Dixon PS,Henson BM,DiGeronimo RJ

更新日期：2014-10-01 00:00:00

abstract：:Paraquat accumulation into rat lung slices was unaffected by hypoxia (PO2 = 645 mm Hg) but was inhibited by hypoxia. The IC50 (IC50 = partial pressure of O2 resulting in a 50% inhibition of paraquat accumulation) for paraquat accumulation was P02 = 50 mm Hg; significant accumulation could be observed after 1 or 2 hr o...

journal_title：Experimental lung research

authors： Montgomery MR,Wyatt I,Smith LL

更新日期：1980-08-01 00:00:00

abstract：:Lung cancer, specifically non-small cell lung cancer (NSCLC), is a leading cause of mortality worldwide. In China, a dramatic increase in the incidence of NSCLC is expected in the next 20 years (Molina et al. Mayo Clin Proc. 2008;83:584–594). Mutated epidermal growth factor receptor (EGFR) status is a known predictor ...

journal_title：Experimental lung research

authors： McMillen E,Ye F,Li G,Wu Y,Yin G,Liu W

更新日期：2010-11-01 00:00:00

abstract：BACKGROUND:Bronchopulmonary dysplasia (BPD) is a main chronic lung disease commonly occurs in preterm infants. BPD is characterized by impaired alveolarization and vascularization of the developing lung. Transforming growth factor-β (TGF-β) signaling pathway is known to play an important role during lung vascular devel...

journal_title：Experimental lung research

authors： Jin M,Lee J,Lee KY,Jin Z,Pak JH,Kim HS

更新日期：2016-09-01 00:00:00

abstract：BACKGROUND:Mechanisms linking behavioral stress and inflammation are poorly understood, mainly in distal lung tissue. OBJECTIVE:We have investigated whether the forced swim stress (FS) could modulate lung tissue mechanics, iNOS, cytokines, oxidative stress activation, eosinophilic recruitment, and remodeling in guinea...

journal_title：Experimental lung research

authors： Reis FG,Marques RH,Starling CM,Almeida-Reis R,Vieira RP,Cabido CT,Silva LF,Lanças T,Dolhnikoff M,Martins MA,Leick-Maldonado EA,Prado CM,Tibério IF

更新日期：2012-09-01 00:00:00

abstract：:To study the pattern of lymphokines in bleomycin-induced lung injury, T cells were isolated from lung interstitial tissue (LIL), peribronchial lymphatic tissue (PBLT), and bronchoalveolar lavage (BAL) fluid of bleomycin-"sensitive" C57Bl/6 and bleomycin-"resistant" BALB/c mice at 3, 6, and 14 days following intratrach...

journal_title：Experimental lung research

authors： Gur I,Or R,Segel MJ,Shriki M,Izbicki G,Breuer R

更新日期：2000-10-01 00:00:00

abstract：:Electrical stimulation of the cervical vagus nerve of rats is known to increase vascular permeability in the trachea. In the present study, we sought to further characterize this neurogenic inflammatory response by defining the relationship between the parameters of electrical stimulation of the vagus nerve and the ma...

journal_title：Experimental lung research

authors： Brokaw JJ,McDonald DM

更新日期：1988-01-01 00:00:00

abstract：:The developmental regulation of the rabbit surfactant-associated proteins, SP-A, SP-B, and SP-C, was investigated using Northern blot analysis. These proteins comprise approximately 10% by weight of pulmonary surfactant, a lipoprotein secreted by type II cells that reduces surface tension at the air-alveolar interface...

journal_title：Experimental lung research

authors： Durham PL,Nanthakumar EJ,Snyder JM

更新日期：1992-11-01 00:00:00

abstract：:Cyclin D1 dysregulation and differential inactivation of p16INK4a and Rb have been observed in human lung cancer. In chemically induced mouse lung tumors, the p16INK4a gene is a target of inactivation, and Rb is reduced at the mRNA level (Northern blot) although similar at the protein level (Western blot) when compare...

journal_title：Experimental lung research

authors： Sabourin CL,Wang QS,Ralston SL,Evans J,Coate J,Herzog CR,Jones SL,Weghorst CM,Kelloff GJ,Lubet RA,You M,Stoner GD

更新日期：1998-07-01 00:00:00

abstract：:Pathophysiologic changes induced by phospholipase A2 (PLA2), a lipolytic enzyme implicated in a variety of pulmonary diseases, were examined in the isolated, perfused guinea pig lung. Thirty microliters of vehicle (saline) or 30 units of PLA2 suspended in saline was given as a bolus injection into either the trachea o...

journal_title：Experimental lung research

authors： Durham SK,Selig WM

更新日期：1990-07-01 00:00:00

abstract：:An IgM monoclonal antibody (1D9/B3) is characterized, which specifically recognizes basal cells of the upper airway epithelium. Although morphological features have been used to follow cell lineage and differentiation, an objective assessment of differentiation can be enhanced by characterizing the expression of speci...

journal_title：Experimental lung research

authors： Aitken ML,Villalon M,Pier M,Verdugo P,Nameroff M

更新日期：1995-01-01 00:00:00

abstract：:Variable numbers of composite repetitive motifs are found in different individuals within intron 4 of the surfactant protein B (SP-B) gene (Biochem J. 1995;305:583). This study tests the hypothesis that the distribution of SP-B alleles differs among racial/ethnic groups. A total of 412 SP-B alleles were analyzed: 206 ...

journal_title：Experimental lung research

authors： Veletza SV,Rogan PK,TenHave T,Olowe SA,Floros J

更新日期：1996-07-01 00:00:00

abstract：:The cigarette smoke-induced rat model of chronic bronchitis was used to study the time course of the return of cigarette smoke-induced secretory cell hyperplasia to the normal and the capacity of two non-steroidal anti-inflammatory drugs to speed this recovery. Cigarette smoke alone significantly increased (P less tha...

journal_title：Experimental lung research

authors： Rogers DF,Jeffery PK

更新日期：1986-01-01 00:00:00

abstract：AIM OF THE STUDY:The current investigation was taken to scrutinize the action of tranilast on the airway remodeling in chronic asthma in mice. MATERIALS AND METHODS:Intraperitoneal injection of ovalbumin was applied to mice for sensitization and subsequent inhalation of 1% ovalbumin three times week for 10 weeks for c...

journal_title：Experimental lung research

authors： Nader MA,Gameil N,Abdelaziz RR,Zalata KR,Osman A,Zedan MM,Abo-Elkheir N,Elsiddig AA,Zedan M

更新日期：2016-08-01 00:00:00

abstract：:Hypercholesterolemia contributes to cardiovascular diseases, but its direct effect on lung is little known. 3-Hydroxy-3-methylglutaryl-coenzyme A (HMG-CoA) reductase inhibitors (statins) have been shown to exert numerous effects that are dependent and independent of their cholesterol-lowering property. The authors hyp...

journal_title：Experimental lung research

authors： Duan S,Zhang Y,Wu SJ,Jiang LZ,Zhang J,Gan Y,Chen P,Zhao SP,Li GY

更新日期：2010-12-01 00:00:00

abstract：:Because high partial pressures of oxygen (O2) can cause peroxidative cleavage of membrane lipids, it is plausible to hypothesize that hyperoxia alters the physical state and composition of lipids in the membranes of pulmonary endothelial cells and that manipulation of the lipid profile may modify endothelial cell tole...

journal_title：Experimental lung research

authors： Block ER

更新日期：1988-01-01 00:00:00

abstract：:Confluent cultures of primary hamster tracheal surface epithelial cells are highly enriched with secretory cells resembling airway goblet cells. The cultures secrete lipids, most of which appear to be associated with high-molecular-weight mucinlike glycoproteins (HMW MLGP). In the present communication, we examined th...

journal_title：Experimental lung research

authors： Kim KC,Singh BN

更新日期：1990-05-01 00:00:00

abstract：AIM OF THE STUDY:Long-term exposure to cigarette smoke generates chronic obstructive pulmonary disease (COPD) in guinea pigs, but a comprehensive evaluation of changes in lung function, as assessed by barometric whole body plethysmography (WBP), is lacking. MATERIALS AND METHODS:Female guinea pigs were exposed to the ...

journal_title：Experimental lung research

authors： Ramírez-Ramírez E,Torres-Ramírez A,Alquicira-Mireles J,Cañavera-Constantino A,Segura-Medina P,Montaño-Ramírez M,Ramos-Abraham C,Vargas MH,Arreola-Ramírez JL

更新日期：2017-03-01 00:00:00

abstract：:In both ovalbumin-sensitized and ovalbumin-challenged guinea pigs, the phospholipid content of bronchoalveolar lavage fluid is decreased with respect to that of controls. In the sensitized guinea pig, the activity of lung membrane phospholipase is increased and the phospholipid content of lung membranes is decreased. ...

journal_title：Experimental lung research

authors： Rami J,Brondel L,Rivière D,Besombes JP

更新日期：1990-03-01 00:00:00

abstract：:A cast of human tracheobronchial airways, which is complete to airways less than 0.1 cm in diameter, was employed for experimental studies of gas convective transport by high-frequency ventilation (HFV). The cast was ventilated with gases of different kinematic viscosity (He, air, and SF6) and tidal volumes of 10-60 m...

journal_title：Experimental lung research

authors： Fang CP,Cohen BS,Lippmann M

更新日期：1992-09-01 00:00:00

abstract：:We hypothesized that replication-deficient adenovirus (Ad), when complexed with plasmid DNA (pl) and cationic liposomes (L), would enhance liposome-mediated gene transfer in cultured human airway epithelial cells. Pl/L/Ad complexes were formed using charge-charge interactions. A gel electrophoresis retardation assay s...

journal_title：Experimental lung research

authors： Stecenko A,King G,Torii K,Gao X,Persmark M,Shih K,Brigham K,Raja-Walia R

更新日期：2000-04-01 00:00:00

abstract：:Previously, this laboratory has shown that intratracheally administered hyaluronic acid (HA) significantly reduces air-space enlargement in a hamster model of emphysema induced with pancreatic elastase. Whereas HA was given immediately following elastase in those initial studies, the current investigation determined t...

journal_title：Experimental lung research

authors： Cantor JO,Cerreta JM,Armand G,Turino GM

更新日期：1997-05-01 00:00:00

abstract：:A tandem repeat region in the second intron of the K-ras gene has been reported to be a possible regulatory site for transcription. In this study, a second protein-binding site was identified and characterized. It lies downstream (nucleotides 463 to 509) of the tandem repeat region. A T--> C base variation at nucleoti...

journal_title：Experimental lung research

authors： Chen B,Wang Y,You M

更新日期：2005-03-01 00:00:00

abstract：:The synthesis of proteoglycans by primary cultures of 19-day gestation fetal rat lung Type II pneumonocytes was studied. The cells were grown in the presence of [3H]-glucosamine and/or [35S]-Na2SO4 and the radioactive label incorporated into proteoglycans was analyzed. Proteoglycans of high molecular weight (approxima...

journal_title：Experimental lung research

authors： Skinner SJ,Post M,Torday JS,Stiles AD,Smith BT

更新日期：1987-01-01 00:00:00