Nicotine activates and up-regulates nicotinic acetylcholine receptors in bronchial epithelial cells.

abstract：:Although neutrophil migration from the systemic circulation involves the beta2- (or CD18) integrin family, the existence of an alternative, CD18-independent route of neutrophil extravasation to tissues has been demonstrated in animal models. The molecular interactions involved in this alternative migratory route have ...

journal_title：American journal of respiratory cell and molecular biology

authors： Mackarel AJ,Russell KJ,Brady CS,FitzGerald MX,O'Connor CM

更新日期：2000-08-01 00:00:00

abstract：:Macrophage elastase (MMP12) is a key mediator of cigarette smoke (CS)-induced emphysema, yet its role in other smoking related pathologies remains unclear. The weight suppressing effects of smoking are a major hindrance to cessation efforts, and MMP12 is known to suppress the vascularization on which adipose tissue gr...

journal_title：American journal of respiratory cell and molecular biology

authors： Tsuji T,Kelly NJ,Takahashi S,Leme AS,Houghton AM,Shapiro SD

更新日期：2014-12-01 00:00:00

abstract：:We examined the ability of conditioned medium (CM) generated by human upper airway epithelial (Ep) cells from normal (NN) and inflamed, allergic rhinitis (AR) and nasal polyp (NP) tissues to induce monocytic differentiation of hemopoietic progenitors of the HL-60 myeloid leukemia cell line in vitro. In HL-60 cells cul...

journal_title：American journal of respiratory cell and molecular biology

authors： Ohtoshi T,Vancheri C,Cox G,Gauldie J,Dolovich J,Denburg JA,Jordana M

更新日期：1991-03-01 00:00:00

abstract：:Tissue factor (TF) is best known as a cellular initiator of coagulation, but it is also a multifunctional protein that has been implicated in multiple pathophysiologic conditions, including asthma. In the lung, airway epithelial cells express TF, but it is unknown how TF expression is regulated by asthma-associated me...

journal_title：American journal of respiratory cell and molecular biology

authors： Mitchel JA,Antoniak S,Lee JH,Kim SH,McGill M,Kasahara DI,Randell SH,Israel E,Shore SA,Mackman N,Park JA

更新日期：2016-04-01 00:00:00

abstract：:The present study investigated mechanisms underlying apical and basolateral P2Y(1)-mediated Cl(-) secretion in human airway epithelial cells. Apical and basolateral ATP induced short-circuit currents (I(sc)) with different properties via P2Y(1) receptors. The former comprised an immediate rise followed by a slow atten...

journal_title：American journal of respiratory cell and molecular biology

authors： Son M,Ito Y,Sato S,Ishikawa T,Kondo M,Nakayama S,Shimokata K,Kume H

更新日期：2004-03-01 00:00:00

abstract：:Pulmonary fibrosis is an enigmatic and devastating disease with few treatment options, now thought to result from abnormal wound healing in the lung in response to injury. We have previously noted a role for the chemokine interferon gamma-inducible protein of 10 kD (IP-10)/CXC chemokine ligand 10 in the regulation of ...

journal_title：American journal of respiratory cell and molecular biology

authors： Tager AM,Kradin RL,LaCamera P,Bercury SD,Campanella GS,Leary CP,Polosukhin V,Zhao LH,Sakamoto H,Blackwell TS,Luster AD

更新日期：2004-10-01 00:00:00

abstract：:Pneumocystis carinii causes severe pneumonia in immunocompromised patients. Recent studies indicate that P. carinii uses a Cdc2 cyclin-dependent kinase to control its proliferation. To further study the regulation of the life cycle of P. carinii, we characterized the P. carinii B-type cyclin termed Cdc13, whose bindin...

journal_title：American journal of respiratory cell and molecular biology

authors： Kottom TJ,Thomas CF Jr,Mubarak KK,Leof EB,Limper AH

更新日期：2000-06-01 00:00:00

abstract：:In this study, we have used the rat model of hyperoxia to examine the molecular responses to oxidative stress in lung. We show that in addition to the antioxidant enzyme manganese superoxide dismutase, expression of a variety of stress-responsive genes including heme oxygenase-1, c-fos, c-jun, CAAT-enhancer binding pr...

journal_title：American journal of respiratory cell and molecular biology

authors： Choi AM,Sylvester S,Otterbein L,Holbrook NJ

更新日期：1995-07-01 00:00:00

abstract：:Lung alveoli are lined by alveolar type (AT) 1 cells and cuboidal AT2 cells. The AT1 cells are likely to be exposed to cell-free hemoglobin (Hb) in multiple lung diseases; however, the role of Hb redox (reduction-oxidation) reactions and their precise contributions to AT1 cell injury are not well understood. Using mou...

journal_title：American journal of respiratory cell and molecular biology

authors： Chintagari NR,Jana S,Alayash AI

更新日期：2016-08-01 00:00:00

abstract：:The cytokine mRNA profiles of primary (arising from inhaled bacilli) and secondary (arising from hematogenous reseeding of the lung) granulomas from the lung lobes of bacillus Calmette-Guérin (BCG)-vaccinated and unimmunized guinea pigs challenged with virulent Mycobacterium tuberculosis by the pulmonary route were as...

journal_title：American journal of respiratory cell and molecular biology

authors： Ly LH,Russell MI,McMurray DN

更新日期：2008-04-01 00:00:00

abstract：:Eosinophils are an important source of leukotriene (LT)C(4), which can be synthesized within lipid bodies-cytoplasmic organelles where eicosanoid formation may take place. Allergy-driven lipid body formation and function have never been investigated. Here, we studied the in vivo induction and role of lipid bodies with...

journal_title：American journal of respiratory cell and molecular biology

authors： Vieira-de-Abreu A,Assis EF,Gomes GS,Castro-Faria-Neto HC,Weller PF,Bandeira-Melo C,Bozza PT

更新日期：2005-09-01 00:00:00

abstract：:Oxygen-mediated lung injury can stimulate a fibroproliferative response resulting in the alteration of the pulmonary extracellular matrix and subsequent scarring of parenchymal tissue. Fibronectin (FN), a component of the extracellular matrix, appears in increased quantities in fibrotic lung disease. Alveolar macropha...

journal_title：American journal of respiratory cell and molecular biology

authors： Sinkin RA,LoMonaco MB,Finkelstein JN,Watkins RH,Cox C,Horowitz S

更新日期：1992-11-01 00:00:00

abstract：:The ability of Pseudomonas aeruginosa to form antibiotic-resistant biofilms is thought to account for the inability of current therapies to resolve bacterial infections in the lungs of patients with cystic fibrosis (CF). We recently described a system in which highly antibiotic-resistant P. aeruginosa biofilms grow on...

journal_title：American journal of respiratory cell and molecular biology

authors： Moreau-Marquis S,O'Toole GA,Stanton BA

更新日期：2009-09-01 00:00:00

abstract：:Bronchopulmonary dysplasia (BPD) is the most common and serious chronic lung disease of preterm infants. The development of pulmonary hypertension (PH) significantly increases the mortality and morbidity of this disease. β-Catenin signaling plays an important role in tissue development and remodeling. Aberrant β-caten...

journal_title：American journal of respiratory cell and molecular biology

authors： Alapati D,Rong M,Chen S,Hehre D,Hummler SC,Wu S

更新日期：2014-07-01 00:00:00

abstract：:Development of gene transfer vectors with regulated, lung-specific expression will be a useful tool for studying lung biology and developing gene therapies. In this study we constructed a series of lentiviral vectors with regulatory elements predicted to produce lung-specific transgene expression: the surfactant prote...

journal_title：American journal of respiratory cell and molecular biology

authors： Hendrickson B,Senadheera D,Mishra S,Bui KC,Wang X,Chan B,Petersen D,Pepper K,Lutzko C

更新日期：2007-10-01 00:00:00

abstract：:Zn may have an important protective role in the respiratory epithelium and Zn deficiency may enhance airway inflammation and epithelial damage. The effects of mild nutritional Zn deficiency on airway hyperresponsiveness (AHR) and airway inflammation in mice sensitized and challenged with ovalbumin (OVA) to induce an a...

journal_title：American journal of respiratory cell and molecular biology

authors： Truong-Tran AQ,Ruffin RE,Foster PS,Koskinen AM,Coyle P,Philcox JC,Rofe AM,Zalewski PD

更新日期：2002-09-01 00:00:00

abstract：:The cells/proteases responsible for the development of smoke-induced emphysema is an area of intense investigation. Mice with knockout of macrophage metalloelastase genes (MME(-/-)) do not develop emphysema after smoke exposure, but we also observed that neutrophils (PMN) in lavage appeared to be a requirement for acu...

journal_title：American journal of respiratory cell and molecular biology

authors： Churg A,Zay K,Shay S,Xie C,Shapiro SD,Hendricks R,Wright JL

更新日期：2002-09-01 00:00:00

abstract：:Adenosine is a signaling nucleoside that has been proposed to contribute to the pathogenesis of asthma and chronic obstructive pulmonary disease. Previous studies suggest that adenosine might play an important role in modulating levels of inflammatory mediators in the lung. Because airway epithelium is an important ce...

journal_title：American journal of respiratory cell and molecular biology

authors： Zhong H,Wu Y,Belardinelli L,Zeng D

更新日期：2006-11-01 00:00:00

abstract：:Epidemiologic studies have linked gestational vitamin D deficiency to respiratory diseases, although mechanisms have not been defined. We hypothesized that antenatal vitamin D deficiency would impair airway development and alveolarization in a mouse model. We studied the effect of antenatal vitamin D deficiency by ind...

journal_title：American journal of respiratory cell and molecular biology

authors： Saadoon A,Ambalavanan N,Zinn K,Ashraf AP,MacEwen M,Nicola T,Fanucchi MV,Harris WT

更新日期：2017-03-01 00:00:00

abstract：:Dendritic cells (DCs) play a pivotal role in shaping antiviral immune responses in the respiratory tract. Human metapneumovirus (hMPV) is a recently identified pathogen and like its better known relative, respiratory syncytial virus (RSV), has been increasingly recognized as a major cause of respiratory morbidity in i...

journal_title：American journal of respiratory cell and molecular biology

authors： Guerrero-Plata A,Casola A,Suarez G,Yu X,Spetch L,Peeples ME,Garofalo RP

更新日期：2006-03-01 00:00:00

abstract：:An NADPH-oxidase complex containing at least two protein components (gp91-phox and p22-phox) and a unique low redox potential (-245 mV) cytochrome b-245 is the source of superoxide generated for bacterial killing in neutrophils and has been suggested as the oxygen sensor in the carotid body. In pure cultures of smooth...

journal_title：American journal of respiratory cell and molecular biology

authors： Marshall C,Mamary AJ,Verhoeven AJ,Marshall BE

更新日期：1996-11-01 00:00:00

abstract：:Human rhinovirus (HRV) infections are associated with exacerbations of lower-airway diseases. HRV-induced production of proinflammatory chemokines, such as CXCL10, from infected airway epithelial cells may play a role in the pathogenesis of exacerbations. We have previously shown that the MAP/ERK kinase (MEK) pathway ...

journal_title：American journal of respiratory cell and molecular biology

authors： Zaheer RS,Proud D

更新日期：2010-10-01 00:00:00

abstract：:We examined the effects of extracellular ATP on the proliferation and synthesis of DNA by guinea pig alveolar macrophages (AM). AM proliferated spontaneously in vitro, their number doubling in 72 h. Such proliferation was completely inhibited by adding 1 mM ATP to the culture. The inhibition was dose dependent. ATP al...

journal_title：American journal of respiratory cell and molecular biology

authors： Nakanishi M,Kawasaki M,Ogino H,Yoshida M,Yagawa K

更新日期：1994-05-01 00:00:00

abstract：:Glucose moves into airway secretions after a glucose load. Therefore people with diabetes or hyperglycemia spend a significant proportion of each day with glucose in their airways secretions. This study investigated the effects of glucose on isolated human airways and on cultured airway smooth muscle (ASM) cells. Huma...

journal_title：American journal of respiratory cell and molecular biology

authors： Cazzola M,Calzetta L,Rogliani P,Lauro D,Novelli L,Page CP,Kanabar V,Matera MG

更新日期：2012-10-01 00:00:00

abstract：:Stimulated migration of eosinophils out of the bloodstream and into the lung is key in the development of tissue eosinophilia and inflammation in asthma. Platelet-activating factor (PAF) has been implicated as an important inflammatory mediator in asthma pathogenesis in part because of its chemotactic capacity. We the...

journal_title：American journal of respiratory cell and molecular biology

authors： Casale TB,Erger RA,Little MM

更新日期：1993-01-01 00:00:00

abstract：:The investigation of novel targets for the treatment of cystic fibrosis (CF) lung inflammation is a major priority, considering that no effective therapy is available for this purpose. Consistent with the evidence that the sphingolipid (SL) ceramide regulates airway inflammation and infection in mice and patients with...

journal_title：American journal of respiratory cell and molecular biology

authors： Dechecchi MC,Nicolis E,Mazzi P,Cioffi F,Bezzerri V,Lampronti I,Huang S,Wiszniewski L,Gambari R,Scupoli MT,Berton G,Cabrini G

更新日期：2011-10-01 00:00:00

abstract：:The chemokine TARC is a ligand for the chemokine receptor CCR4 expressed on T helper (Th)2-type CD4 T cells. Allergic airway inflammation is characterized by a local increase in cells secreting Th2-type cytokines. We hypothesized that bronchial epithelial cells may be a source of chemokines known to chemoattract Th2 c...

journal_title：American journal of respiratory cell and molecular biology

authors： Berin MC,Eckmann L,Broide DH,Kagnoff MF

更新日期：2001-04-01 00:00:00

abstract：:German cockroach extract synergistically regulates tumor necrosis factor-alpha (TNF-alpha)-induced interleukin (IL)-8 expression in human airway epithelial cells. The IL-8 promoter contains nuclear factor (NF)-kappaB, activating protein (AP)-1, and NF for IL-6 (NF-IL6) transcription factor binding regions. Because coc...

journal_title：American journal of respiratory cell and molecular biology

authors： Page K,Hughes VS,Odoms KK,Dunsmore KE,Hershenson MB

更新日期：2005-03-01 00:00:00

abstract：:Impaired sphingolipid synthesis is linked genetically to childhood asthma and functionally to airway hyperreactivity (AHR). The objective was to investigate whether sphingolipid synthesis could be a target for asthma therapeutics. The effects of GlyH-101 and fenretinide via modulation of de novo sphingolipid synthesis...

journal_title：American journal of respiratory cell and molecular biology

authors： Heras AF,Veerappan A,Silver RB,Emala CW,Worgall TS,Perez-Zoghbi J,Worgall S

更新日期：2020-11-01 00:00:00

abstract：:Genetic epidemiology studies of end-stage lung disease are potentially hindered by low numbers of participants due to early death of patients from the underlying disease, or due to exclusion from studies after patients have had lung transplants, because of concern about bias of genotype data due to chimerism. The numb...

journal_title：American journal of respiratory cell and molecular biology

authors： DeMeo DL,Reilly JJ,Ginns LC,Sylvia JS,Silverman EK

更新日期：2005-10-01 00:00:00