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Non-allergic asthma

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https://www.readbyqxmd.com/read/28942457/p-azeflu-provides-rapid-and-effective-allergic-rhinitis-control-results-of-a-non-interventional-study-in-romania
#1
I Agache, I C Doros, P M Leru, I Bucur, M Poenaru, C Sarafoleanu
BACKGROUND: Allergic Rhinitis and its Impact on Asthma (ARIA) and the European Union (EU) recommend a shift to guide allergic rhinitis (AR) treatment decisions from symptom severity to disease control, using a simple visual analogue scale (VAS). Using this VAS we assessed, in a real-life study in Romania, the effectiveness of MP-AzeFlu nasal spray. METHODOLOGY: In this multi-centre, prospective, non-interventional study, 253 patients (over 11 years old) with moderate-to-severe AR were prescribed MP-AzeFlu and assessed their symptoms on a VAS (0 (not at all bothersome) to 100 mm (very bothersome)) on Days 0, 1, 3, 7 and 14...
September 24, 2017: Rhinology
https://www.readbyqxmd.com/read/28939412/th1-signatures-are-present-in-the-lower-airways-of-children-with-severe-asthma-regardless-of-allergic-status
#2
Julia A Wisniewski, Lyndsey M Muehling, Jacob D Eccles, Brian J Capaldo, Rachana Agrawal, Debbie-Ann Shirley, James T Patrie, Lisa J Workman, Alexander J Schuyler, Monica G Lawrence, W Gerald Teague, Judith A Woodfolk
BACKGROUND: The pathogenesis of severe asthma in childhood remains poorly understood. OBJECTIVE: To construct the immunological landscape in the airways of children with severe asthma. METHODS: Comprehensive analysis of multiple cell types and mediators was performed by flow cytometry and multiplex assay using bronchoalveolar lavage (BAL) specimens (n=68) from 52 highly characterized allergic and non-allergic children (0.5-17 years) with severe treatment-refractory asthma...
September 19, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28929787/-phenotypes-of-bronchial-asthma
#3
László Béla Nagy
It is increasingly recognized that the bronchial asthma is a heterogeneous entity, encompassing a variety of different phenotypes. The identification of specific phenotypes is the key to develop more effective personalised treatment. The earliest attempt to phenotype asthma was proposed classifying into extrinsic and intrinsic subtypes. Clinical asthma is mainly divided into allergic (atopic) and non-allergic (non-atopic) asthma. Other phenotypes are based on trigger factors. Later the phenotyping based on the predominant cellular nature of inflammation: It can be divided into eosinophilic and non-eosinohilic...
April 2017: Orvosi Hetilap
https://www.readbyqxmd.com/read/28923762/translating-basic-research-into-clinical-practice-vitamin-d-in-asthma-mechanisms-of-action-and-considerations-for-clinical-trials
#4
REVIEW
Paul E Pfeffer, Catherine M Hawrylowicz
There is increasing interest in the therapeutic utility of vitamin D in asthma, supported by a significant body of evidence on epidemiological associations between vitamin D insufficiency and worse asthma control. In support of a causal relationship, vitamin D beneficially modulates diverse immunological pathways in heterogeneous asthma endotypes, regulating the actions of lymphocytes, mast cells, antigen-presenting cells and structural cells to dampen excessive inflammatory responses. Allergic asthma is characterised by a failure of immune tolerance, and development of pathological responses to inhaled aeroallergens, and vitamin D has been extensively shown to support immune regulation...
September 15, 2017: Chest
https://www.readbyqxmd.com/read/28912020/intestinal-dysbiosis-featuring-abundance-of-ruminococcus-gnavus-associates-with-allergic-diseases-in-infants
#5
Huey-Huey Chua, Hung-Chieh Chou, Ya-Ling Tung, Bor-Luen Chiang, Chien-Chia Liao, Hong-Hsing Liu, Yen-Hsuan Ni
BACKGROUND & AIMS: Dysbiosis of the intestinal microbiota has been associated with development of allergies in infants. However, it is not clear what microbes might contribute to this process. We investigated what microbe(s) might be involved in analyses of infant twins and mice. METHODS: We studied fecal specimens prospectively in a twin cohort (n=30) and age-matched singletons (n=14) born at National Taiwan University Children's Hospital, Taipei, Taiwan, from April 2011 to March 2013...
September 11, 2017: Gastroenterology
https://www.readbyqxmd.com/read/28911045/azole-resistant-aspergillosis-epidemiology-molecular-mechanisms-and-treatment
#6
REVIEW
Anuradha Chowdhary, Cheshta Sharma, Jacques F Meis
Aspergillus fumigatus remains the most common species in all pulmonary syndromes, followed by Aspergillus flavus which is a common cause of allergic rhinosinusitis, postoperative aspergillosis and fungal keratitis. The manifestations of Aspergillus infections include invasive aspergillosis, chronic pulmonary aspergillosis and bronchitis. Allergic manifestations of inhaled Aspergillus include allergic bronchopulmonary aspergillosis and severe asthma with fungal sensitization. Triazoles are the mainstay of therapy against Aspergillus infections for treatment and prophylaxis...
August 15, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/28910134/eosinophilic-and-non-eosinophilic-asthma
#7
Tara F Carr, Amir A Zeki, Monica Kraft
Asthma can be subdivided into eosinophilic or non-eosinophilic phenotypes based on the inflammatory cellular patterns seen in sputum, blood, and airway tissue compartments. However, this level of stratification does not always produce robust clinical phenotypes as there is considerable overlap across these phenotypes when viewed from the perspective of "eosinophilia". Multiple proposed subphenotypes of asthma have instead been described within both the eosinophilic and non-eosinophilic groups. An endotype is the mechanism driving a subphenotype including those associated with eosinophilia such as early-onset allergic asthma, with and without obesity, aspirin sensitive asthma and late-onset eosinophilic asthma, allergic bronchopulmonary mycosis, and exercise-induced asthma...
September 14, 2017: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/28887633/periostin-in-inflammation-and-allergy
#8
REVIEW
Kenji Izuhara, Satoshi Nunomura, Yasuhiro Nanri, Masahiro Ogawa, Junya Ono, Yasutaka Mitamura, Tomohito Yoshihara
We found for the first time that IL-4 and IL-13, signature type 2 cytokines, are able to induce periostin expression. We and others have subsequently shown that periostin is highly expressed in chronic inflammatory diseases-asthma, atopic dermatitis, eosinophilc chronic sinusitis/chronic rhinosinusitis with nasal polyp, and allergic conjunctivitis-and that periostin plays important roles in the pathogenesis of these diseases. The epithelial/mesenchymal interaction via periostin is important for the onset of allergic inflammation, in which periostin derived from fibroblasts acts on epithelial cells or fibroblasts, activating their NF-κB...
September 8, 2017: Cellular and Molecular Life Sciences: CMLS
https://www.readbyqxmd.com/read/28865410/decreased-sensitization-to-aeroallergens-among-southwestern-iranian-male-farmers
#9
Mozhgan Moghtaderi, Mona Torab Jahromi, Shirin Farjadian, Payam Ghassemi, Saeed Hosseini Teshnizi
Farmers are usually exposed to various inhaled allergens like pollens, mites, molds, and animal dander in their working environment which may lead to allergic rhinitis, asthma and urticaria. The purpose of this study was to identify sensitization to various aeroallergens in farmers and their occupational allergy symptoms. This cross sectional study included 103 male farmers and 100 non-farmer healthy controls. The work-related symptoms of farmers were recorded with a questionnaire. Spirometry and skin prick tests with 15 commercial allergen extracts were performed in both farmers and controls...
August 2017: Iranian Journal of Allergy, Asthma, and Immunology
https://www.readbyqxmd.com/read/28859707/quality-of-life-outcomes-in-patients-who-underwent-subcutaneous-immunotherapy-and-sublingual-immunotherapy-in-a-real-world-clinical-setting
#10
Theresa Schwanke, Eugene Carragee, Maria Bremberg, William R Reisacher
OBJECTIVE: To compare changes in quality of life (QOL) that resulted from sublingual immunotherapy (SLIT) and subcutaneous immunotherapy (SCIT) in a real-world clinical setting. BACKGROUND: SLIT is established as a viable alternative to SCIT for the treatment of allergic rhinitis. Although comparative trials are increasingly available, few studies have examined QOL outcomes between these two treatments. METHODS: One hundred and five participants who underwent immunotherapy for airborne allergies were enrolled in this prospective, single-center study...
September 1, 2017: American Journal of Rhinology & Allergy
https://www.readbyqxmd.com/read/28859150/the-real-world-effect-of-omalizumab-add-on-therapy-for-patients-with-moderate-to-severe-allergic-asthma-the-asterix-observational-study
#11
Mohit Bhutani, William H Yang, Jacques Hébert, Frederica de Takacsy, Jean-Louis Stril
BACKGROUND: Omalizumab is a non-steroidal medication indicated for the treatment of poorly controlled moderate-to-severe allergic asthmatics. This observational study examines the "real world" effectiveness of omalizumab in this population. METHODS: This is a one year open-label observational study that compared clinical outcomes including total oral corticosteroid use, exacerbation history, measures of quality of life and inflammation in patients with moderate-to-severe allergic asthma, who were prescribed omalizumab as part of their treatment with the year prior to therapy...
2017: PloS One
https://www.readbyqxmd.com/read/28859129/rhinovirus-induction-of-fractalkine-cx3cl1-in-airway-and-peripheral-blood-mononuclear-cells-in-asthma
#12
Nadine Upton, David J Jackson, Alexandra A Nikonova, Suzie Hingley-Wilson, Musa Khaitov, Ajerico Del Rosario, Stephanie Traub, Maria-Belen Trujillo-Torralbo, Max Habibi, Sarah L Elkin, Onn M Kon, Michael R Edwards, Patrick Mallia, Joseph Footitt, Jonathan Macintyre, Luminita A Stanciu, Sebastian L Johnston, Annemarie Sykes
Rhinovirus infection is associated with the majority of asthma exacerbations. The role of fractalkine in anti-viral (type 1) and pathogenic (type 2) responses to rhinovirus infection in allergic asthma is unknown. To determine whether (1) fractalkine is produced in airway cells and in peripheral blood leucocytes, (2) rhinovirus infection increases production of fractalkine and (3) levels of fractalkine differ in asthmatic compared to non-asthmatic subjects. Fractalkine protein and mRNA levels were measured in bronchoalveolar lavage (BAL) cells and peripheral blood mononuclear cells (PBMCs) from non-asthmatic controls (n = 15) and mild allergic asthmatic (n = 15) subjects...
2017: PloS One
https://www.readbyqxmd.com/read/28852968/the-pyrazole-derivative-btp2-attenuates-igg-immune-complex-induced-inflammation
#13
Georgios Sogkas, Eduard Rau, Faranaz Atschekzei, Shahzad N Syed, Reinhold E Schmidt
Store-operated calcium entry (SOCE) is the most common mode of calcium influx in non-excitable cells, including immune cells. The two STIM isoforms mediate SOCE as well as Fc receptor (FcR)-downstream activation of macrophages and mast cells-which appears to be relevant in vivo, in models of antibody-dependent tissue injury and allergy. Hence, the pathway of SOCE may be a therapeutic target for treatment of immune complex (IC)-mediated autoimmunity and allergic asthma. The pyrazole derivative, BTP2 is an efficient inhibitor of SOCE, which has already been shown to attenuate allergic inflammation...
August 29, 2017: Inflammation
https://www.readbyqxmd.com/read/28837578/atopic-children-and-use-of-prescribed-medication-a-comprehensive-study-in-general-practice
#14
David H J Pols, Mark M J Nielen, Arthur M Bohnen, Joke C Korevaar, Patrick J E Bindels
PURPOSE: A comprehensive and representative nationwide general practice database was explored to study associations between atopic disorders and prescribed medication in children. METHOD: All children aged 0-18 years listed in the NIVEL Primary Care Database in 2014 were selected. Atopic children with atopic eczema, asthma and allergic rhinitis (AR) were matched with controls (not diagnosed with any of these disorders) within the same general practice on age and gender...
2017: PloS One
https://www.readbyqxmd.com/read/28833810/features-of-asthma-which-provide-meaningful-insights-for-understanding-the-disease-heterogeneity
#15
Matea Deliu, Tolga S Yavuz, Matthew Sperrin, Danielle Belgrave, Umit M Sahiner, Cansin Sackesen, Omer Kalayci, Adnan Custovic
BACKGROUND: Data-driven methods such as hierarchical clustering (HC) and principal component analysis (PCA) have been used to identify asthma subtypes, with inconsistent results. OBJECTIVE: To develop a framework for the discovery of stable and clinically meaningful asthma subtypes. METHODS: We performed HC in a rich dataset from 613 asthmatic children, using 45 clinical variables (Model 1), and after PCA dimensionality reduction (Model 2)...
August 22, 2017: Clinical and Experimental Allergy: Journal of the British Society for Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28817310/semaphorins-and-their-roles-in-airway-biology-potential-as-therapeutic-targets
#16
Hesam Movassagh, Forough Khadem, Abdelilah S Gounni
Semaphorins are a large family of proteins originally identified as axon guidance cues which play a crucial role in neural development. They are also ubiquitously expressed beyond the nervous system and contribute to regulation of essential cell functions such as cell migration, proliferation, and adhesion. Binding of semaphorins to their receptors, including plexins and neuropilins, triggers diverse signaling pathways which are involved in the pathogenesis of various diseases from cancer to autoimmune and allergic disorders...
August 17, 2017: American Journal of Respiratory Cell and Molecular Biology
https://www.readbyqxmd.com/read/28800272/omalizumab-in-non-allergic-asthma-a-report-of-13-cases
#17
Zeynep Çelebi Sözener, Ömür Aydın, Zeynep Mısırlıgil, Dilşad Mungan, Yavuz Selim Demirel, Gülfem E Çelik, Betül A Sin, Sevim Bavbek
BACKGROUND: There are limited data regarding the effectiveness of omalizumab in patients with non-allergic asthma. OBJECTIVE: To evaluate the clinical and functional effectiveness of omalizumab in patients with non-allergic asthma. METHODS: The study was a single-center, retrospective chart review of patients with non-allergic asthma who were treated with add-on omalizumab between February 2014 and March 2016. After omalizumab was started, data of the asthma control test (ACT), pulmonary function test, and daily oral corticosteroid (OCS) dosage were collected at baseline, 16 weeks, 1 year, 2 and 3 years (if available)...
August 11, 2017: Journal of Asthma: Official Journal of the Association for the Care of Asthma
https://www.readbyqxmd.com/read/28775219/assessment-of-dietary-food-and-nutrient-intake-and-bone-density-in-children-with-eczema
#18
T F Leung, S S Wang, F Y Kwok, L W Leung, C M Chow, E K Hon
INTRODUCTION: Dietary restrictions are common among patients with eczema, and such practice may lead to diminished bone mineral density. This study investigated dietary intake and bone mineral density in Hong Kong Chinese children with eczema. METHODS: This cross-sectional and observational study was conducted in a university-affiliated teaching hospital in Hong Kong. Chinese children aged below 18 years with physician-diagnosed eczema were recruited from our paediatric allergy and dermatology clinics over a 6-month period in 2012...
August 4, 2017: Hong Kong Medical Journal, Xianggang Yi Xue za Zhi
https://www.readbyqxmd.com/read/28775094/x-ray-based-lung-function-measurement-reveals-persistent-loss-of-lung-tissue-elasticity-in-mice-recovered-from-allergic-airway-inflammation
#19
Marietta Andrea Markus, Sergej Borowik, Marius Reichardt, Giuliana Tromba, Frauke Alves, Christian Dullin
Chronic asthma patients experience difficulties even years after the inciting allergen. Although studies in small animal asthma models have enormously advanced progress in uncovering the mechanisms of inception and development of the disease, little is known about the processes involved in the persistence of asthma symptoms in the absence of allergen exposure. Long term asthma mouse models have so far been scarce or not been able to reproduce the findings in patients. Here we used a common ovalbumin induced acute allergic airway inflammation mouse model to study lung function and remodeling after a four months recovery period...
August 3, 2017: American Journal of Physiology. Lung Cellular and Molecular Physiology
https://www.readbyqxmd.com/read/28774699/pulmonary-and-sinus-fungal-diseases-in-non-immunocompromised-patients
#20
REVIEW
David W Denning, Arunaloke Chakrabarti
The human respiratory tract is exposed daily to airborne fungi, fungal enzymes, and secondary metabolites. The endemic fungi Histoplasma capsulatum, Coccidioides spp, Blastomyces dermatitidis, and Paracoccidioides brasiliensis, and occasionally Aspergillus fumigatus, are primary pulmonary pathogens of otherwise healthy people. Such infections resolve in most people, and only a few infections lead to disease. However, many fungi are directly allergenic by colonising the respiratory tract or indirectly through contact with cell wall constituents and proteases, causing or exacerbating allergic disease...
July 31, 2017: Lancet Infectious Diseases
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