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Non-allergic asthma

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https://www.readbyqxmd.com/read/29143385/patterns-of-allergic-sensitization-and-atopic-dermatitis-from-1-to-3-years-effects-on-allergic-diseases
#1
C Dharma, D L Lefebvre, M M Tran, W Y W Lou, P Subbarao, A B Becker, P J Mandhane, S E Turvey, M R Sears
BACKGROUND: While allergic sensitization and atopic dermatitis (AD) are known to increase the risk for allergic diseases, the impact of different temporal and clinical patterns of sensitization and AD is less well defined. OBJECTIVE: We investigated patterns of sensitization and AD from early infancy to age 3, and the differential risk for developing allergic diseases within each pattern in a general cohort. METHODS: Children (n=2629) from the Canadian Healthy Infant Longitudinal Development (CHILD) Study underwent skin prick tests and were assessed clinically for AD at ages 1 and 3 years...
November 16, 2017: Clinical and Experimental Allergy: Journal of the British Society for Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/29142570/assessment-of-work-related-asthma-cases-our-three-year-experience
#2
Ayse Coskun Beyan, Nur Safak Alici, Arif Cimrin
Objective: Work-related asthma (WRA) is one of the most common occupational diseases. In this study, we aimed to review diagnosing procedures and the characteristics of patients who were diagnosed with WRA. Methods: Between November 2013 and June 2016; 214 patients were referred to our clinic with WRA suspicion by an occupational health specialist, personal visit, chest disease specialists [61 (28%), 51 (23%), and 102 (47%) respectively]. Occupational history, functional and radiological assessment, skin prick test, PEF monitoring were done...
September 2017: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/29133326/risks-for-comorbidity-in-children-with-atopic-disorders-an-observational-study-in-dutch-general-practices
#3
David H J Pols, Arthur M Bohnen, Mark M J Nielen, Joke C Korevaar, Patrick J E Bindels
OBJECTIVE: This study aimed to investigate both atopic and non-atopic comorbid symptoms and diseases in children with physician-diagnosed atopic disorders (atopic eczema, asthma and allergic rhinitis). METHODS: All children aged 0-18 years listed in a nationwide primary care database (the Netherlands Institute for Health Services Research-Primary Care Database) with routinely collected healthcare data in 2014 were selected. Children with atopic disorders were matched on age and gender with non-atopic controls within the same general practice...
November 12, 2017: BMJ Open
https://www.readbyqxmd.com/read/29122888/tnf-stimulated-gene-6-promotes-formation-of-hyaluronan-inter-%C3%AE-inhibitor-heavy-chain-complexes-necessary-for-ozone-induced-airway-hyperresponsiveness
#4
Vandy P Stober, Collin G Johnson, Alana Majors, Mark E Lauer, Valbona Cali, Ronald J Midura, Hans-Georg Wisniewski, Mark A Aronica, Stavros Garantziotis
Exposure to pollutants, such as ozone, exacerbates airway inflammation and hyperresponsiveness (AHR). TNF-stimulated gene 6 (TSG-6) is required to transfer inter-α-inhibitor heavy chains (HC) to hyaluronan (HA), facilitating HA receptors binding. TSG-6 is necessary for AHR in allergic asthma, because it facilitates the development of a pathological HA-HC matrix. However, the role of TSG-6 in acute airway inflammation is not well understood. Here, we hypothesized that TSG-6 is essential for the development of HA- and ozone-induced AHR...
November 9, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/29119955/-the-effectiveness-of-combined-laser-therapy-for-the-treatment-of-the-patients-presenting-with-bronchial-asthma-and-concomitant-allergic-rhinitis
#5
M M Yusupalieva, V M Savtchenko
A total of 137 patients suffering from bronchial asthma (BA) and concomitant allergic rhinitis (AR) were available for the examination at the stage of the rehabilitative treatment under conditions of the southern coast of the Crimea. All the patients were divided into three groups. The patients of group 1 underwent the standard complex of spa and health resort-based climatic therapy procedures (SCT), for those comprising group 2 SCT was supplemented by non-invasive magnetic laser therapy (NMLT) while patients included in group 3 received SCT and the combination of NMLT with endonasal laser radiation (ENLR)...
2017: Voprosy Kurortologii, Fizioterapii, i Lechebnoĭ Fizicheskoĭ Kultury
https://www.readbyqxmd.com/read/29112407/secondary-metabolites-in-allergic-plant-pollen-samples-modulate-afferent-neurons-and-murine-tracheal-rings
#6
Alen Božičević, Maria De Mieri, Christina Nassenstein, Silke Wiegand, Matthias Hamburger
Plant pollens are strong airborne elicitors of asthma. Their proteinaceous allergens have been studied intensively, but little is known about a possible contribution of pollen secondary metabolites to the nonallergic exacerbation of asthma. Pollen samples originating from 30 plant species were analyzed by HPLC coupled to PDA, ESIMS, and ELSD detectors and off-line NMR spectroscopy. Polyamine conjugates, flavonoids, and sesquiterpene lactones were identified. Polyamine conjugates were characteristic of all Asteraceae species...
November 7, 2017: Journal of Natural Products
https://www.readbyqxmd.com/read/29072882/rita-the-italian-severe-uncontrolled-asthma-registry
#7
Sara Maio, Sandra Baldacci, Megon Bresciani, Marzia Simoni, Manuela Latorre, Nicola Murgia, Fabrizio Spinozzi, Mariachiara Braschi, Leonardo Antonicelli, Barbara Brunetto, Patrizia Iacovacci, Paolo Roazzi, Carlo Pini, Mario Pata, Lidia La Grasta, Pierluigi Paggiaro, Giovanni Viegi
BACKGROUND: The Italian severe/uncontrolled asthma (SUA) web-based registry encompasses demographic, clinical, functional, inflammatory data; it aims to raise SUA awareness, identifying specific phenotypes and promoting optimal care. METHODS: 493 adult patients from 27 Italian centres (recruited in 2011-2014) were analyzed. RESULTS: Mean age was 53.8yrs. SUA patients were more frequently female (60.6%), with allergic asthma (83.1%). About 30% showed late onset of asthma diagnosis/symptoms (>40yrs); the mean age for asthma symptoms onset was 30...
October 26, 2017: Allergy
https://www.readbyqxmd.com/read/29072507/grass-pollen-sublingual-immunotherapy-tablets-provide-long-term-relief-of-grass-pollen-associated-allergic-rhinitis-and-reduce-the-risk-of-asthma-findings-from-a-retrospective-real-world-database-subanalysis
#8
Philippe Devillier, Ulrich Wahn, Stefan Zielen, Joachim Heinrich
BACKGROUND: We assessed real-world, long-term effectiveness of two marketed sublingual immunotherapy (SLIT) tablets for allergic rhinitis (AR), and their impact on allergic asthma (AA) onset/progression. METHODS: Retrospective, longitudinal German prescription database subanalysis of AR patients receiving 5- or 1-grass pollen SLIT tablets (n = 1,466/1,385), versus patients not using allergy immunotherapy (AIT) (n = 71,275). Primary endpoint: change over time in AR symptomatic medication prescriptions after treatment cessation; secondary endpoints: new asthma onset, and change over time in asthma medication prescriptions during treatment/follow-up periods...
November 6, 2017: Expert Review of Clinical Immunology
https://www.readbyqxmd.com/read/29066918/asthma-with-bronchial-hypersecretion-expression-of-mucins-and-toll-like-receptors-in-sputum-and-blood
#9
Astrid Crespo-Lessmann, Eder Mateus, Montserrat Torrejón, Alicia Belda, Jordi Giner, Silvia Vidal, Oriol Sibila, Vicente Plaza
Asthma with bronchial hypersecretion is a type of asthma that is poorly studied. Its pathogenesis is not well understood, but is probably related to innate impaired immunity, particularly with toll-like receptors (TLRs) and secretory mucins (MUC). OBJECTIVES: 1) Define the clinical and inflammatory phenotype of asthma with bronchial hypersecretion of mucus. 2) Compare the type of mucin present in induced sputum (IS) of patients with and without bronchial hypersecretion. 3) Determine the expression of TLRs in IS and blood of asthmatics with and without bronchial hypersecretion...
2017: Journal of Asthma and Allergy
https://www.readbyqxmd.com/read/29063426/introduction
#10
Erica A Fortson, Becky Li, Mahima Bhayana
Atopic dermatitis (AD) is a chronic relapsing condition that is characterized by itching and redness of the skin. Our modern usage of atopic dermatitis dates back to 1933, when Wise and Sulzberger first coined the term to signify the disease's close association with other respiratory atopy, such as bronchial asthma and allergic rhinitis. A recent systematic review of 69 cross-sectional and cohort studies has confirmed that AD is now a worldwide phenomenon with lifetime AD prevalences of well over 20% in many affluent country settings...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/29048949/discovering-pediatric-asthma-phenotypes-based-on-response-to-controller-medication-using-machine-learning
#11
Mindy K Ross, Jinsung Yoon, Auke van der Schaar, Mihaela van der Schaar
RATIONALE: Pediatric asthma has variable underlying inflammation and symptom control. Approaches to address this heterogeneity such as clustering methods to find phenotypes and predicting outcomes have been investigated. However, clustering based upon the relationship between treatment and clinical outcome has not been performed. Also, machine learning approaches for long-term outcome prediction in pediatric asthma have not been studied in depth. OBJECTIVES: Our objectives were to use our novel machine learning algorithm, Predictor Pursuit (PP) to discover pediatric asthma phenotypes based on treatment response to different asthma controller medications, to predict outcomes of children with asthma over time, and to identify the most indicative features of asthma control for the discovered pediatric phenotypes...
October 19, 2017: Annals of the American Thoracic Society
https://www.readbyqxmd.com/read/29047170/irf-1-snps-influence-the-risk-for-childhood-allergic-asthma-a-critical-role-for-pro-inflammatory-immune-regulation
#12
Katja Landgraf-Rauf, Andreas Boeck, Diana Raedler, Elisabeth Klucker, Vanessa Vogelsang, Susanne Schmidt, Sonja Kunze, Claudia Weissenbacher, Anke Graessel, Carsten Schmidt-Weber, Erika von Mutius, Michaela Schedel, Bianca Schaub
BACKGROUND: Allergic and non-allergic childhood asthma has been characterized by distinct immune mechanisms. While interferon regulating factor 1 (IRF-1) polymorphisms (SNPs) influence atopy risk, the effect of SNPs on asthma phenotype-specific immune mechanisms is unclear. We assessed whether IRF-1 SNPs modify distinct immune regulatory pathways in allergic and non-allergic childhood asthma (AA/NA). METHODS: In the CLARA study, asthma was characterized by doctor's diagnosis and AA vs NA by positive or negative specific IgE...
October 19, 2017: Pediatric Allergy and Immunology
https://www.readbyqxmd.com/read/29046036/-spontaneous-pneumomediastinum-and-subcutaneous-emphysema-associated-with-bronchospasm-in-a-woman-with-no-history-of-asthma
#13
Tonatiuh Ramses Bedolla-Pulido, Martín Bedolla-Barajas
BACKGROUND: Spontaneous pneumomediastinum most relevant triggering events are cough, vomiting, nutritional problems, physical activity and use of inhaled drugs. Association of spontaneous pneumomediastinum with non-asthma-related bronchospasm is an infrequent event. CLINICAL CASE: This is the case of a 21-year-old woman without personal or family history of asthma, allergic rhinitis or atopy who during late puerperium had 39 °C fever, paroxysmal cough and chest oppression of sudden onset, as well as wheezing and subcutaneous emphysema of the neck; she had no previous nasal symptoms...
July 2017: Revista Alergia Mexico: Organo Oficial de la Sociedad Mexicana de Alergia e Inmunología, A.C
https://www.readbyqxmd.com/read/29045956/-co-morbidity-of-vasovagal-syncope-and-postural-tachycardia-syndrome-with-allergic-diseases-in-children
#14
Y Liao, Q Y Zhang, H X Li, Y L Wang, P Liu, J B DU
OBJECTIVE: To explore the clinical characteristics of the co-morbidity of vasovagal syncope (VVS) and postural tachycardia syndrome (POTS) with allergic diseases in children. METHODS: A re-trospective analysis was launched to summarize the clinical data of children with VVS and POTS. They were divided into allergic group and non-allergic group according to the history of allergic diseases. The participants' clinical characteristics were compared between allergic group and non-allergic group using independent sample t test or rank sum test; composition comparisons were completed by Chi-square test...
October 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/29036018/precision-medicine-in-asthma-linking-phenotypes-to-targeted-treatments
#15
Kian F Chung
PURPOSE OF REVIEW: Asthma is a heterogeneous disease consisting of different phenotypes that are driven by different mechanistic pathways. The purpose of this review is to emphasize the important role of precision medicine in asthma management. RECENT FINDINGS: Despite asthma heterogeneity, the approach to management has been on the basis of disease severity, with the most severe patients reserved for the maximum treatments with corticosteroids and bronchodilators...
October 13, 2017: Current Opinion in Pulmonary Medicine
https://www.readbyqxmd.com/read/29031617/steroid-sparing-effects-of-doxofylline
#16
Yanira Riffo-Vasquez, Radhakrishnan Venkatasamy, Clive P Page
Glucocorticosteroids are widely used in the treatment of asthma and chronic obstructive pulmonary disease (COPD). However, there are growing concerns about the side effect profile of this class of drug, particularly an increased risk of pneumonia. Over the last two decades there have been many attempts to find drugs to allow a reduction of glucocorticosteroids, including xanthines such as theophylline. Use of xanthines has been shown to lead to a reduction in the requirement for glucocorticosteroids, although xanthines also have a narrow therapeutic window limiting their wider use...
October 12, 2017: Pulmonary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28992358/role-of-galectin-3-in-the-pathophysiology-underlying-allergic-lung-inflammation-in-a-timp-1-knockout-model-of-murine-asthma
#17
Manoj J Mammen, Mark F Sands, Elaine Abou-Jaoude, Ravikumar Aalinkeel, Jessica L Reynolds, Neil U Parikh, Umesh Sharma, Stanley A Schwartz, Supriya D Mahajan
Asthma is a chronic inflammatory respiratory disease characterized by airway inflammation, airway hyper-responsiveness and reversible airway obstruction. Understanding the mechanisms that underlie the various endotypes of asthma could lead to novel and more personalized therapies for individuals with asthma. Utilizing a Tissue inhibitors of metalloproteinase-1 (TIMP-1) knockout murine allergic asthma model, we previously showed that Tissue inhibitors of metalloproteinase-1 deficiency results in an asthma phenotype, exhibiting airway hyperreactivity, enhanced eosinophilic inflammation, and TH2 cytokine gene and protein expression following sensitization with ovalbumin...
October 9, 2017: Immunology
https://www.readbyqxmd.com/read/28981985/early-life-sensitization-to-hen-s-egg-predicts-asthma-and-rhinoconjunctivitis-at-14-years-of-age
#18
Elisabeth Soegaard Christiansen, Henrik Fomsgaard Kjaer, Esben Eller, Carsten Bindslev-Jensen, Arne Høst, Charlotte Gotthard Mortz, Susanne Halken
BACKGROUND: Sensitization to both inhalant and food allergens has been shown to be risk factors for development of asthma and rhinoconjunctivitis (RC). However, few studies have addressed the role of transient or persistent IgE sensitization to specific allergens in early life for later development of allergic diseases. The aim of this study was to explore the association between transient and persistent sensitization in early-life and the development of asthma and RC at 6 and 14 years...
October 5, 2017: Pediatric Allergy and Immunology
https://www.readbyqxmd.com/read/28970023/the-effects-of-pm2-5-on-asthmatic-and-allergic-diseases-or-symptoms-in-preschool-children-of-six-chinese-cities-based-on-china-children-homes-and-health-cchh-project
#19
Fei'er Chen, Zhijing Lin, Renjie Chen, Dan Norback, Cong Liu, Haidong Kan, Qihong Deng, Chen Huang, Yu Hu, Zhijun Zou, Wei Liu, Juan Wang, Chan Lu, Hua Qian, Xu Yang, Xin Zhang, Fang Qu, Jan Sundell, Yinping Zhang, Baizhan Li, Yuexia Sun, Zhuohui Zhao
The urbanization and industrialization in China is accompanied by bad air quality, and the prevalence of asthma in Chinese children has been increasing in recent years. To investigate the associations between ambient PM2.5 levels and asthmatic and allergic diseases or symptoms in preschool children in China, we assigned PM2.5 exposure data from the Global Burden of Disease (GBD) project to 205 kindergartens at a spatial resolution of 0.1° × 0.1° in six cities in China (Shanghai, Nanjing, Chongqing, Changsha, Urumqi, and Taiyuan)...
September 29, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28960398/nasal-protein-profiles-in-work-related-asthma-caused-by-different-exposures
#20
H Suojalehto, I Lindström, H Wolff, A Puustinen
BACKGROUND: The mechanisms of work-related asthma (WRA) are incompletely delineated. Nasal cell samples may be informative about processes in the lower airways. Our aim was to determine the nasal protein expression profiles of WRA caused by different kind of exposures. METHODS: We collected nasal brush samples from 82 nonsmoking participants, including healthy controls and WRA patients exposed to (i) protein allergens, (ii) isocyanates and (iii) welding fumes the day after relevant exposure...
September 28, 2017: Allergy
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