Airway protease/antiprotease imbalance in atopic asthmatics contributes to increased influenza A virus cleavage and replication.

Abstract:

:Asthmatics are more susceptible to influenza infections, yet mechanisms mediating this enhanced susceptibility are unknown. Influenza virus hemagglutinin (HA) protein binds to sialic acid residues on the host cells. HA requires cleavage to allow fusion of the viral HA with host cell membrane, which is mediated by host trypsin-like serine protease. We show data here demonstrating that the protease:antiprotease ratio is increased in the nasal mucosa of asthmatics and that these changes were associated with increased proteolytic activation of influenza. These data suggest that disruption of the protease balance in asthmatics enhances activation and infection of influenza virus.

journal_name

Respir Res

journal_title

Respiratory research

authors

Kesic MJ,Hernandez M,Jaspers I

doi

10.1186/1465-9921-13-82

subject

Has Abstract

pub_date

2012-09-19 00:00:00

pages

82

eissn

1465-9921

issn

1465-993X

pii

1465-9921-13-82

journal_volume

13

pub_type

信件
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    pub_type: 杂志文章,评审

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    authors: Puhan MA,Vollenweider D,Latshang T,Steurer J,Steurer-Stey C

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  • Prevalence and risk factors of moderate to severe obstructive sleep apnea syndrome in insomnia sufferers: a study on 1311 subjects.

    abstract:BACKGROUND:Several studies have investigated the prevalence and risk factors of insomnia in subjects with obstructive sleep apnea syndrome. However, few studies have investigated the prevalence and risk factors for obstructive sleep apnea syndrome in insomnia sufferers. Thus, the aim of this study was to examine the pr...

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    更新日期:2017-07-06 00:00:00

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    abstract::There is an increasing interest in the potential of exhaled biomarkers, such as volatile organic compounds (VOCs), to improve accurate diagnoses and management decisions in pulmonary diseases. The objective of this manuscript is to systematically review the current knowledge on exhaled VOCs with respect to their poten...

    journal_title:Respiratory research

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    doi:10.1186/1465-9921-13-117

    authors: van de Kant KD,van der Sande LJ,Jöbsis Q,van Schayck OC,Dompeling E

    更新日期:2012-12-21 00:00:00

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    更新日期:2017-06-30 00:00:00

  • The bioavailability and airway clearance of the steroid component of budesonide/formoterol and salmeterol/fluticasone after inhaled administration in patients with COPD and healthy subjects: a randomized controlled trial.

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    authors: Carreto-Binaghi LE,Aliouat el M,Taylor ML

    更新日期:2016-06-01 00:00:00

  • Collaborative interactions between neutrophil elastase and metalloproteinases in extracellular matrix degradation in three-dimensional collagen gels.

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    doi:10.1186/rr73

    authors: Zhu Y,Liu X,Sköld CM,Wang H,Kohyama T,Wen FQ,Ertl RF,Rennard SI

    更新日期:2001-01-01 00:00:00

  • LPS induces IL-10 production by human alveolar macrophages via MAPKinases- and Sp1-dependent mechanisms.

    abstract:BACKGROUND:IL-10 is a cytokine mainly produced by macrophages that plays key roles in tolerance to inhaled antigens and in lung homeostasis. Its regulation in alveolar macrophages (HAM), the resident lung phagocytes, remains however unknown. METHODS:The present study investigated the role of intracellular signalling a...

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    pub_type: 杂志文章

    doi:10.1186/1465-9921-8-71

    authors: Chanteux H,Guisset AC,Pilette C,Sibille Y

    更新日期:2007-10-04 00:00:00

  • Idiopathic pulmonary fibrosis patients with severe physiologic impairment: characteristics and outcomes.

    abstract:RESEARCH QUESTION:There is no widely accepted grading system for IPF disease severity, although physiologic impairment based on pulmonary function testing is frequently employed. We sought to describe clinical and functional characteristics as well as outcomes of patients with severe physiologic impairment. PATIENTS A...

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    authors: Pastre J,Barnett S,Ksovreli I,Taylor J,Brown AW,Shlobin OA,Ahmad K,Khangoora V,Aryal S,King CS,Nathan SD

    更新日期:2021-01-06 00:00:00

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    abstract:BACKGROUND:Although a large body of literature is available that describes the effects of smoking, asthma and COPD on lung function, most studies are restricted to a small age range and to one factor. As a consequence, available results are incomplete and often difficult to compare, also due to the ways the effects are...

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    doi:10.1186/1465-9921-14-60

    authors: Chiappa S,Winn J,Viñuela A,Tipney H,Spector TD

    更新日期:2013-05-30 00:00:00

  • Different effects of deep inspirations on central and peripheral airways in healthy and allergen-challenged mice.

    abstract:BACKGROUND:Deep inspirations (DI) have bronchodilatory and bronchoprotective effects in healthy human subjects, but these effects appear to be absent in asthmatic lungs. We have characterized the effects of DI on lung mechanics during mechanical ventilation in healthy mice and in a murine model of acute and chronic air...

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    doi:10.1186/1465-9921-9-23

    authors: Jonasson S,Swedin L,Lundqvist M,Hedenstierna G,Dahlén SE,Hjoberg J

    更新日期:2008-02-28 00:00:00

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    doi:10.1186/1465-9921-9-46

    authors: Fajac I,Viel M,Sublemontier S,Hubert D,Bienvenu T

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  • Induction and regulation of matrix metalloproteinase-12 in human airway smooth muscle cells.

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    authors: Engel M,Nowacki RME,Jonker EM,Ophelders D,Nikiforou M,Kloosterboer N,Zimmermann LJI,van Waardenburg DA,Kramer BW

    更新日期:2020-08-08 00:00:00

  • A 3D epithelial-mesenchymal co-culture model of human bronchial tissue recapitulates multiple features of airway tissue remodeling by TGF-β1 treatment.

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    更新日期:2015-09-29 00:00:00

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    abstract:BACKGROUND:Inspiratory activity is a prerequisite for successful application of patient triggered ventilation such as proportional assist ventilation (PAV). It has recently been reported that surfactant instillation increases the activity of slowly adapting pulmonary stretch receptors (PSRs) followed by a shorter inspi...

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    更新日期:2018-04-27 00:00:00

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    更新日期:2018-12-27 00:00:00

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    doi:10.1186/1465-9921-15-20

    authors: Roche N,Deslée G,Caillaud D,Brinchault G,Court-Fortune I,Nesme-Meyer P,Surpas P,Escamilla R,Perez T,Chanez P,Pinet C,Jebrak G,Paillasseur JL,Burgel PR,INITIATIVES BPCO Scientific Committee.

    更新日期:2014-02-17 00:00:00

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    abstract::Many patients with persistent asthma can be controlled with inhaled corticosteroids (ICS). However, a considerable proportion of patients remain symptomatic, despite the use of ICS. We present systematically evidence that supports the different treatment options. A literature search was made of Medline/PubMed to ident...

    journal_title:Respiratory research

    pub_type: 杂志文章,meta分析,评审

    doi:10.1186/1465-9921-5-17

    authors: Kankaanranta H,Lahdensuo A,Moilanen E,Barnes PJ

    更新日期:2004-10-27 00:00:00

  • CD8 positive T cells express IL-17 in patients with chronic obstructive pulmonary disease.

    abstract:BACKGROUND:Chronic obstructive pulmonary disease (COPD) is a progressive and irreversible chronic inflammatory disease of the lung. The nature of the immune reaction in COPD raises the possibility that IL-17 and related cytokines may contribute to this disorder. This study analyzed the expression of IL-17A and IL-17F a...

    journal_title:Respiratory research

    pub_type: 杂志文章

    doi:10.1186/1465-9921-12-43

    authors: Chang Y,Nadigel J,Boulais N,Bourbeau J,Maltais F,Eidelman DH,Hamid Q

    更新日期:2011-04-10 00:00:00

  • IL-22 contributes to TGF-β1-mediated epithelial-mesenchymal transition in asthmatic bronchial epithelial cells.

    abstract:BACKGROUND:Allergic asthma is characterized by airway inflammation in response to antigen exposure, leading to airway remodeling and lung dysfunction. Epithelial-mesenchymal transition (EMT) may play a role in airway remodeling through the acquisition of a mesenchymal phenotype in airway epithelial cells. TGF-β1 is kno...

    journal_title:Respiratory research

    pub_type: 杂志文章

    doi:10.1186/1465-9921-14-118

    authors: Johnson JR,Nishioka M,Chakir J,Risse PA,Almaghlouth I,Bazarbashi AN,Plante S,Martin JG,Eidelman D,Hamid Q

    更新日期:2013-11-01 00:00:00

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    abstract:BACKGROUND:Functional deterioration in cystic fibrosis (CF) may be reflected by increasing bronchial obstruction and, as recently shown, by ventilation inhomogeneities. This study investigated which physiological factors (airway obstruction, ventilation inhomogeneities, pulmonary hyperinflation, development of trapped ...

    journal_title:Respiratory research

    pub_type: 杂志文章

    doi:10.1186/1465-9921-7-138

    authors: Kraemer R,Baldwin DN,Ammann RA,Frey U,Gallati S

    更新日期:2006-11-30 00:00:00