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https://www.readbyqxmd.com/read/28424674/global-fecal-and-plasma-metabolic-dynamics-related-to-helicobacter-pylori-eradication
#1
Theresa Wan-Chen Yap, Alex Hwong-Ruey Leow, Ahmad Najib Azmi, Damien L Callahan, Guillermo I Perez-Perez, Mun-Fai Loke, Khean-Lee Goh, Jamuna Vadivelu
Background:Helicobacter pylori colonizes the gastric mucosa of more than half of the world's population. There is increasing evidence H. pylori protects against the development of obesity and childhood asthma/allergies in which the development of these diseases coincide with transient dysbiosis. However, the mechanism underlying the association of H. pylori eradication with human metabolic and immunological disorders is not well-established. In this study, we aimed to investigate the local and systemic effects of H...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28423467/early-life-antibiotic-use-and-the-risk-of-asthma-and-asthma-exacerbations-in-children
#2
Fariba Ahmadizar, Susanne J H Vijverberg, Hubertus G M Arets, Anthonius de Boer, Steve Turner, Graham Devereux, Ali Arabkhazaeli, Patricia Soares, Somnath Mukhopadhyay, Johan Garssen, Colin N A Palmer, Johan C de Jongste, Vincent Wv Jaddoe, Liesbeth Duijts, Evelien R van Meel, Aletta D Kraneveld, Anke H Maitland-van der Zee
BACKGROUND: The use of antibiotic therapy early in life might influence the risk of developing asthma. Studies assessing the influence of early life antibiotic use on the risk of asthma exacerbations are limited, and the results are inconsistent. Therefore, the aim of this study was to assess the association between use of antibiotic during the first three years of life and the risk of developing childhood asthma and the occurrence of asthma exacerbations. METHODS: Data from four large childhood cohorts were used; two population-based cohorts to study the risk of developing asthma: Generation R (n=7,393, the Netherlands) and SEATON (n=891, Scotland, UK), and two asthma cohorts to assess the risk of asthma exacerbations: PACMAN (n=668, the Netherlands) and BREATHE (n=806, Scotland, UK)...
April 19, 2017: Pediatric Allergy and Immunology
https://www.readbyqxmd.com/read/28422515/allergen-induced-increases-in-sputum-levels-of-group-2-innate-lymphoid-cells-in-asthmatic-subjects
#3
Ruchong Chen, Steven G Smith, Brittany Salter, Amani El-Gammal, John Paul Oliveria, Caitlin Obminski, Rick Watson, Paul M O'Byrne, Gail M Gauvreau, Roma Sehmi
RATIONALE: Group 2 innate lymphoid cells (ILC2), a major source of type 2 cytokines, initiate eosinophilic inflammatory responses in murine models of asthma. OBJECTIVES: Investigate the role of ILC2 in allergen-induced airway eosinophilic responses in atopic asthmatics. METHODS: Using a diluent-controlled allergen challenge cross-over study, where all subjects (n=10) developed allergen-induced early and late responses , airway eosinophilia and increased methacholine airway responsiveness, bone marrow, blood and sputum samples were collected pre- and post-inhalation challenge...
April 19, 2017: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/28421512/new-insights-into-cockroach-allergens
#4
REVIEW
Anna Pomés, Geoffrey A Mueller, Thomas A Randall, Martin D Chapman, L Karla Arruda
PURPOSE OF REVIEW: This review addresses the most recent developments on cockroach allergen research in relation to allergic diseases, especially asthma. RECENT FINDINGS: The number of allergens relevant to cockroach allergy has recently expanded considerably up to 12 groups. New X-ray crystal structures of allergens from groups 1, 2, and 5 revealed interesting features with implications for allergen standardization, sensitization, diagnosis, and therapy. Cockroach allergy is strongly associated with asthma particularly among children and young adults living in inner-city environments, posing challenges for disease control...
April 2017: Current Allergy and Asthma Reports
https://www.readbyqxmd.com/read/28421429/reslizumab-in-eosinophilic-asthma-a-review
#5
Emma D Deeks, Guy Brusselle
Reslizumab (Cinqaero(®); Cinqair(®)) is a humanized monoclonal antibody against interleukin-5 (IL-5), a cytokine mediator of eosinophilic airway inflammation. Reslizumab is indicated as an add-on treatment for severe eosinophilic asthma in adults, on the basis of data from the BREATH phase III clinical trial programme. In three double-blind BREATH studies of up to 52 weeks' duration, adding intravenous reslizumab (3 mg/kg, once every 4 weeks) to the current asthma therapy of patients (aged 12-75 years) with eosinophilic asthma inadequately controlled with inhaled corticosteroids resulted in significant reductions in clinical asthma exacerbation frequency and significant improvements in lung function, asthma control and health-related quality of life relative to adding placebo...
April 18, 2017: Drugs
https://www.readbyqxmd.com/read/28417574/light-emitting-diode-treatment-ameliorates-allergic-lung-inflammation-in-experimental-model-of-asthma-induced-by-ovalbumin
#6
Vanessa Perosino Cardoso Siqueira, Marina Izadora Silveira Evangelista, Alana Dos Santos, Rodrigo Labat Marcos, Ana Paula Ligeiro-de-Oliveira, Christiane Pavani, Amílcar Sabino Damazo, Adriana Lino-Dos-Santos-Franco
Since asthma is a multifactorial disease where treatment sometimes is not effective, new therapies that improve the respiratory discomfort of patients are of great importance. Phototherapy as Light-emitting diode (LED) has emerged as a treatment that presents good results for diseases that are characterized by inflammation. Thus, our objective was to investigate the effects of LED on lung inflammation, by an evaluation of lung cell infiltration, mucus secretion, oedema, and the production of cytokines. Male Balb/c mice were or not sensitized and challenged with ovalbumin (OVA) and treated or not with LED therapy (1 h and 4 h after each OVA challenge)...
April 18, 2017: Journal of Biophotonics
https://www.readbyqxmd.com/read/28417456/interventions-to-improve-adherence-to-inhaled-steroids-for-asthma
#7
REVIEW
Rebecca Normansell, Kayleigh M Kew, Elizabeth Stovold
BACKGROUND: Despite its proven efficacy in improving symptoms and reducing exacerbations, many patients with asthma are not fully adherent to their steroid inhaler. Suboptimal adherence leads to poorer clinical outcomes and increased health service utilisation, and has been identified as a contributing factor to a third of asthma deaths in the UK. Reasons for non-adherence vary, and a variety of interventions have been proposed to help people improve treatment adherence. OBJECTIVES: To assess the efficacy and safety of interventions intended to improve adherence to inhaled corticosteroids among people with asthma...
April 18, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28416592/-wnt-er-is-coming-wnt-signalling-in-chronic-lung-diseases
#8
H A Baarsma, M Königshoff
Chronic lung diseases represent a major public health problem with only limited therapeutic options. An important unmet need is to identify compounds and drugs that target key molecular pathways involved in the pathogenesis of chronic lung diseases. Over the last decade, there has been extensive interest in investigating Wingless/integrase-1 (WNT) signalling pathways; and WNT signal alterations have been linked to pulmonary disease pathogenesis and progression. Here, we comprehensively review the cumulative evidence for WNT pathway alterations in chronic lung pathologies, including idiopathic pulmonary fibrosis, pulmonary arterial hypertension, asthma and COPD...
April 17, 2017: Thorax
https://www.readbyqxmd.com/read/28413571/asthma-control-in-primary-care-the-results-of-an-observational-cross-sectional-study-in-italy-and-spain
#9
Maria Sandra Magnoni, Manuela Latorre, Germano Bettoncelli, M Guadalupe Sanchez-Herrero, Araceli Lopez, Eduardo Calvo, Andrea Rizzi, Marco Caminati, Gianenrico Senna, Pierluigi Paggiaro
BACKGROUND: Poor asthma control observed in several surveys may be related to a lack of systematic assessment by physicians and/or to patient underestimation of symptoms. Along this line, the purpose of this study was to investigate the level of asthma control in patients attending the GP office for different reasons, either for renewal of drug prescription or for worsening of asthma symptoms. METHODS: Each of the 145 General Practitioners (GP) in Italy and Spain selected at least eight asthmatic patients attending their office for a renewal of drug prescription (Group A) or for worsening of asthma symptoms (Group B), between May and December 2009...
2017: World Allergy Organization Journal
https://www.readbyqxmd.com/read/28413387/successful-treatment-of-a-bullous-pemphigoid-patient-with-rituximab-who-was-refractory-to-corticosteroid-and-omalizumab-treatments
#10
Aslı Bilgiç Temel, Cumhur Ibrahim Bassorgun, Ayşe Akman-Karakaş, Erkan Alpsoy, Soner Uzun
Omalizumab is a humanized monoclonal antibody which is an FDA-approved treatment of severe allergic asthma and inhibits IgE binding to FcεRI. According to increasing evidence of IgE inhibition, omalizumab was suggested as a therapeutic approach for bullous pemphigoid (BP). Rituximab has been reported to be effective in various autoimmune diseases, including autoimmune bullous dermatoses. A specific protocol for the use of rituximab to treat BP patients is not yet available. There are only small case series and case reports about the efficacy and safety of rituximab in BP...
January 2017: Case Reports in Dermatology
https://www.readbyqxmd.com/read/28412250/mucosal-lining-fluid-biomarkers-in-asthma-basis-for-rational-use-of-new-targeted-therapies
#11
Rudolf Valenta
No abstract text is available yet for this article.
April 11, 2017: EBioMedicine
https://www.readbyqxmd.com/read/28406326/umeclidinium-for-the-treatment-of-uncontrolled-asthma
#12
Matteo Ferrando, Diego Bagnasco, Fulvio Braido, Ilaria Baiardini, Giovanni Passalacqua, Francesca Puggioni, Gilda Varricchi, Giorgio Walter Canonica
Smooth muscle cell contraction in the airways is the principal therapeutic target in asthmatic subjects and its insufficient treatment is often a cause of uncontrolled disease. For this reason, research has focused on targeting smooth muscle activity with anticholinergic agents, including umeclidinium. Areas Covered: This review highlights the potential application of umeclidinium, a long acting muscarinic antagonist, as a novel therapeutic approach for patients with severe uncontrolled asthma, despite maximal therapy...
April 13, 2017: Expert Opinion on Investigational Drugs
https://www.readbyqxmd.com/read/28406319/benralizumab-as-a-potential-treatment-of-asthma
#13
Sabina Antonela Antoniu
Current anti-inflammatory asthma therapies including inhaled corticosteroids and leukotriene modifiers, are not always able to appropriately control the disease and other approaches are needed. These therapies specific target IgE (omalizumab) or IL-5 (mepolizumab). However, there is research underway investigating interleukin-based monoclonal antibodies such as benralizumab, an anti-IL-5R monoclonal antibody which is currently in phase III clinical development. Areas covered: This review summarizes the existing preclinical and clinical data of benralizumab...
April 19, 2017: Expert Opinion on Biological Therapy
https://www.readbyqxmd.com/read/28402696/chronic-cough-and-an-atypical-peripheral-pattern-on-chest-imaging-a-case-report-secondary-to-suspected-drug-onset
#14
Ronnie Alas, Mark Tony Williams, Ghiam Yamin, Mohsen Rofoogaran
INTRODUCTION: Chronic eosinophilic pneumonia (CEP) is an uncommon interstitial lung disease with nonspecific symptoms that is a diagnostic and treatment challenge. The exact pathology is unknown and putatively involves a complex inflammatory cascade associated with the abnormal accumulation of eosinophils. Our patient had a history of adult-onset asthma after initiating TNF-inhibitor therapy. CEP coexisting with asthma has been reported, but never linked to the use of a TNF-inhibitor-as we report here...
April 12, 2017: Journal of Asthma: Official Journal of the Association for the Care of Asthma
https://www.readbyqxmd.com/read/28402030/cyclic-peptide-crretawac-attenuates-fibronectin-induced-cytokine-secretion-of-human-airway-smooth-muscle-cells-by-inhibiting-fak-and-p38-mapk
#15
Mengdi Chu, Jiani Ji, Wenhao Cao, Huojun Zhang, Dan Meng, Bangruan Xie, Shuyun Xu
α5β1 integrin is highly expressed in airway smooth muscle cells and mediate the adhesion of airway smooth muscle cells to fibronectin to regulate airway remodelling in asthma. This study aimed to investigate the effects of synthetic cyclic peptide *CRRETAWAC* on fibronectin-induced cytokine secretion of airway smooth muscle cells and the underlying mechanism. Human airway smooth muscle cells were isolated and treated with fibronectin, IL-13, *CRRETAWAC* peptide, α5β1 integrin-blocking antibody, FAK inhibitor or p38 MAPK inhibitor...
April 12, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28401621/mouse-models-of-severe-asthma-understanding-the-mechanisms-of-steroid-resistance-tissue-remodelling-and-disease-exacerbation
#16
REVIEW
Steven Maltby, Hock L Tay, Ming Yang, Paul S Foster
Severe asthma has significant disease burden and results in high healthcare costs. While existing therapies are effective for the majority of asthma patients, treatments for individuals with severe asthma are often ineffective. Mouse models are useful to identify mechanisms underlying disease pathogenesis and for the preclinical assessment of new therapies. In fact, existing mouse models have contributed significantly to our understanding of allergic/eosinophilic phenotypes of asthma and facilitated the development of novel targeted therapies (e...
April 11, 2017: Respirology: Official Journal of the Asian Pacific Society of Respirology
https://www.readbyqxmd.com/read/28400707/sani-severe-asthma-network-in-italy-a-way-forward-to-monitor-severe-asthma
#17
EDITORIAL
G Senna, M Guerriero, P L Paggiaro, F Blasi, M Caminati, E Heffler, M Latorre, G W Canonica
Even if severe asthma (SA) accounts for 5-10% of all cases of the disease, it is currently a crucial unmet need, owing its difficult clinical management and its high social costs. For this reason several networks, focused on SA have been organized in some countries, in order to select these patients, to recognize their clinical features, to evaluate their adherence, to classify their biological/clinical phenotypes, to identify their eligibility to the new biologic therapies and to quantify the costs of the disease...
2017: Clinical and Molecular Allergy: CMA
https://www.readbyqxmd.com/read/28400472/novel-selective-%C3%AE-1-adrenoceptor-antagonists-for-concomitant-cardiovascular-and-respiratory-disease
#18
Jillian G Baker, Sheila M Gardiner, Jeanette Woolard, Christophe Fromont, Gopal P Jadhav, Shailesh N Mistry, Kevin S J Thompson, Barrie Kellam, Stephen J Hill, Peter M Fischer
β-Blockers reduce mortality and improve symptoms in people with heart disease; however, current clinically available β-blockers have poor selectivity for the cardiac β1-adrenoceptor (AR) over the lung β2-AR. Unwanted β2-blockade risks causing life-threatening bronchospasm and reduced efficacy of β2-agonist emergency rescue therapy. Thus, current life-prolonging β-blockers are contraindicated in patients with both heart disease and asthma. Here, we describe NDD-713 and -825, novel highly β1-selective neutral antagonists with good pharmaceutical properties that can potentially overcome this limitation...
April 11, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/28399855/characterisation-of-a-murine-model-of-the-late-asthmatic-response
#19
Katie Baker, Kristof Raemdonck, Robert J Snelgrove, Maria G Belvisi, Mark A Birrell
BACKGROUND: The incidence of asthma is increasing at an alarming rate. While the current available therapies are effective, there are associated side effects and they fail to adequately control symptoms in all patient subsets. In the search to understand disease pathogenesis and find effective therapies hypotheses are often tested in animal models before progressing into clinical studies. However, current dogma is that animal model data is often not predictive of clinical outcome. One possible reason for this is the end points measured such as antigen-challenge induced late asthmatic response (LAR) is often used in early clinical development, but seldom in animal model systems...
April 11, 2017: Respiratory Research
https://www.readbyqxmd.com/read/28395936/efficacy-of-mepolizumab-add-on-therapy-on-health-related-quality-of-life-and-markers-of-asthma-control-in-severe-eosinophilic-asthma-musca-a-randomised-double-blind-placebo-controlled-parallel-group-multicentre-phase-3b-trial
#20
Geoffrey L Chupp, Eric S Bradford, Frank C Albers, Daniel J Bratton, Jie Wang-Jairaj, Linda M Nelsen, Jennifer L Trevor, Antoine Magnan, Anneke Ten Brinke
BACKGROUND: Mepolizumab, an anti-interleukin-5 monoclonal antibody approved as add-on therapy to standard of care for patients with severe eosinophilic asthma, has been shown in previous studies to reduce exacerbations and dependency on oral corticosteroids compared with placebo. We aimed to further assess mepolizumab in patients with severe eosinophilic asthma by examining its effect on health-related quality of life (HRQOL). METHODS: We did a randomised, double-blind, placebo-controlled, parallel-group, multicentre, phase 3b trial (MUSCA) in 146 hospitals or research centres in 19 countries worldwide...
April 5, 2017: Lancet Respiratory Medicine
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