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Asthma small airway disease

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https://www.readbyqxmd.com/read/27931742/schistosoma-mansoni-antigens-alter-activation-markers-and-cytokine-profile-in-lymphocytes-of-patients-with-asthma
#1
Tarcísio Vila Verde Santana de Almeida, Jamille Souza Fernandes, Diego Mota Lopes, Lorena Santana Andrade, Sérgio Costa Oliveira, Edgar M Carvalho, Maria Ilma Araujo, Álvaro A Cruz, Luciana Santos Cardoso
: Asthma is a chronic disease characterized by airway inflammation, obstruction and hyperresponsiveness. Severe asthma affects a small proportion of subjects but results in most of the morbidity, costs and mortality associated with the disease. Studies have suggested that Schistosoma mansoni infection reduces the severity of asthma and prevent atopy. OBJECTIVE: We evaluated the ability of S. mansoni antigens, Sm29 and Sm29TSP-2 to modulate lymphocyte activation status in response to the allergen of the mite Dermatophagoides pteronyssinus (Der p1) in cell cultures of individuals with asthma...
December 5, 2016: Acta Tropica
https://www.readbyqxmd.com/read/27905186/severe-asthma-current-management-targeted-therapies-and-future-directions-a-roundtable-report
#2
REVIEW
Vanessa M McDonald, Steven Maltby, Helen K Reddel, Gregory G King, Peter A B Wark, Lorraine Smith, John W Upham, Alan L James, Guy B Marks, Peter G Gibson
Asthma is a chronic respiratory disease characterized by respiratory symptoms, airway inflammation, airway obstruction and airway hyper-responsiveness. Asthma is common and directly affects 10% of Australians, 1-5% of adults in Asia and 300 million people worldwide. It is a heterogeneous disorder with many clinical, molecular, biological and pathophysiological phenotypes. Current management strategies successfully treat the majority of patients with asthma who have access to them. However, there is a subset of an estimated 5-10% of patients with asthma who have severe disease and are disproportionately impacted by symptoms, exacerbations and overall illness burden...
November 30, 2016: Respirology: Official Journal of the Asian Pacific Society of Respirology
https://www.readbyqxmd.com/read/27884601/evaluating-small-airways-disease-in-asthma-the-utility-of-quantitative-computed-tomography-qct
#3
EDITORIAL
Donald P Tashkin, Hyun J Kim, Michelle Zeidler, Eric Kleerup, Jonathan Goldin
No abstract text is available yet for this article.
November 21, 2016: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/27858495/asthma-associated-with-the-use-of-cocaine-heroin-and-marijuana-a-review-of-the-evidence
#4
Timothy H Self, Samarth Shah, Katherine L March, Christopher W Sands
OBJECTIVE: Review the evidence regarding asthma associated with use of cocaine, heroin, and marijuana. DATA SOURCES: A search of the English literature via PubMed/Medline and EMBASE using the search terms asthma AND cocaine, heroin, and marijuana. When pertinent articles were found, salient references in those articles were assessed. STUDY SELECTION: Due to the relatively small number of studies, we included all studies and cases. RESULTS: For several decades, case reports, retrospective studies, and laboratory investigations have demonstrated that inhalation of cocaine or heroin is associated with increased asthma symptoms and reduced pulmonary function...
November 18, 2016: Journal of Asthma: Official Journal of the Association for the Care of Asthma
https://www.readbyqxmd.com/read/27800118/manifesto-on-small-airway-involvement-and-management-in-asthma-and-chronic-obstructive-pulmonary-disease-an-interasma-global-asthma-association-gaa-and-world-allergy-organization-wao-document-endorsed-by-allergic-rhinitis-and-its-impact-on-asthma-aria-and-global
#5
F Braido, N Scichilone, F Lavorini, O S Usmani, L Dubuske, L P Boulet, R Mosges, C Nunes, M Sanchez-Borges, I J Ansotegui, M Ebisawa, F Levi-Schaffer, L J Rosenwasser, J Bousquet, T Zuberbier, G Walter Canonica, A Cruz, A Yanez, A Yorgancioglu, D Deleanu, G Rodrigo, J Berstein, K Ohta, P Vichyanond, R Pawankar, S N Gonzalez-Diaz, S Nakajima, T Slavyanskaya, A Fink-Wagner, C Baez Loyola, D Ryan, G Passalacqua, J Celedon, J C Ivancevich, K Dobashi, M Zernotti, M Akdis, S Benjaponpitak, S Bonini, W Burks, L Caraballo, Z Awad El-Sayed, S Fineman, P Greenberger, E Hossny, J A Ortega-Martell, H Saito, M Tang, L Zhang
Evidence that enables us to identify, assess, and access the small airways in asthma and chronic obstructive pulmonary disease (COPD) has led INTERASMA (Global Asthma Association) and WAO to take a position on the role of the small airways in these diseases. Starting from an extensive literature review, both organizations developed, discussed, and approved the manifesto, which was subsequently approved and endorsed by the chairs of ARIA and GA(2)LEN. The manifesto describes the evidence gathered to date and defines and proposes issues on small airway involvement and management in asthma and COPD with the aim of challenging assumptions, fostering commitment, and bringing about change...
2016: World Allergy Organization Journal
https://www.readbyqxmd.com/read/27790779/the-role-of-human-%C3%AE-defensins-in-allergic-diseases
#6
REVIEW
F Niyonsaba, C Kiatsurayanon, H Ogawa
Antimicrobial peptides (AMPs), also referred to as host defence peptides (HDPs), comprise a large family of small molecules broadly distributed throughout the animal and plant kingdom, historically serving as natural antibiotics. In mammals, there are two major families of AMPs/HDPs, the defensins and the cathelicidins. These peptides have evolved to protect against a wide range of infections from bacteria, viruses, fungi and some parasites. However, in addition to their broad-spectrum killing activities, AMPs/HDPs also possess various biological functions...
December 2016: Clinical and Experimental Allergy: Journal of the British Society for Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/27759879/the-sparc-protein-an-overview-of-its-role-in-lung-cancer-and-pulmonary-fibrosis-and-its-potential-role-in-chronic-airways-disease
#7
REVIEW
Sharon L I Wong, Maria B Sukkar
The SPARC (secreted protein acidic and rich in cysteine) protein is matricellular molecule regulating interactions between cells and their surrounding extracellular matrix (ECM). This protein thus governs fundamental cellular functions such as cell adhesion, proliferation and differentiation. SPARC also regulates the expression and activity of numerous growth factors and matrix metalloproteinases essential for ECM degradation and turnover. Studies in SPARC-null mice have revealed a critical role for SPARC in tissue development, injury and repair and in the regulation of the immune response...
January 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/27753690/bronchiectasis-and-other-chronic-lung-diseases-in-adolescents-living-with-hiv
#8
Engi F Attia, Robert F Miller, Rashida A Ferrand
PURPOSE OF REVIEW: The incidence of pulmonary infections has declined dramatically with improved access to antiretroviral therapy (ART) and cotrimoxazole prophylaxis, but chronic lung disease (CLD) is an increasingly recognized but poorly understood complication in adolescents with perinatally acquired HIV. RECENT FINDINGS: There is a high prevalence of chronic respiratory symptoms, abnormal spirometry and chest radiographic abnormalities among HIV-infected adolescents in sub-Saharan Africa, wherein 90% of the world's HIV-infected children live...
October 7, 2016: Current Opinion in Infectious Diseases
https://www.readbyqxmd.com/read/27736259/peripheral-killer-cells-do-not-differentiate-between-asthma-patients-with-or-without-fixed-airway-obstruction
#9
Carolyn Tubby, Ola H Negm, Timothy Harrison, Patrick J Tighe, Ian Todd, Lucy C Fairclough
OBJECTIVE: The three main types of killer cells - CD8(+) T cells, NK cells and NKT cells - have been linked to asthma and chronic obstructive pulmonary disease (COPD). However, their role in a small subset of asthma patients displaying fixed airway obstruction (FAO), similar to that seen in COPD, has not been explored. The objective of the present study was to investigate killer cell numbers, phenotype and function in peripheral blood from asthma patients with FAO, asthma patients without FAO, and healthy individuals...
October 13, 2016: Journal of Asthma: Official Journal of the Association for the Care of Asthma
https://www.readbyqxmd.com/read/27724976/prehospital-treatment-with-continuous-positive-airway-pressure-in-patients-with-acute-respiratory-failure-a-regional-observational-study
#10
Vibe Maria Laden Nielsen, Jacob Madsen, Anette Aasen, Anne Pernille Toft-Petersen, Kenneth Lübcke, Bodil Steen Rasmussen, Erika Frischknecht Christensen
BACKGROUND: Patients with acute respiratory failure are at risk of deterioration during prehospital transport. Ventilatory support with continuous positive airway pressure (CPAP) can be initiated in the prehospital setting. The objective of the study is to evaluate adherence to treatment and effectiveness of CPAP as an addition to standard care. METHODS: In North Denmark Region, patients with acute respiratory failure, whom paramedics assessed as suffering from acute cardiopulmonary oedema, acute exacerbation of chronic obstructive pulmonary disease or asthma were treated with CPAP using 100 % O2 from 1 March 2014 to 3 May 2015...
October 10, 2016: Scandinavian Journal of Trauma, Resuscitation and Emergency Medicine
https://www.readbyqxmd.com/read/27643599/airway-secretory-micrornaome-changes-during-rhinovirus-infection-in-early-childhood
#11
Maria J Gutierrez, Jose L Gomez, Geovanny F Perez, Krishna Pancham, Stephanie Val, Dinesh K Pillai, Mamta Giri, Sarah Ferrante, Robert Freishtat, Mary C Rose, Diego Preciado, Gustavo Nino
BACKGROUND: Innate immune responses are fine-tuned by small noncoding RNA molecules termed microRNAs (miRs) that modify gene expression in response to the environment. During acute infections, miRs can be secreted in extracellular vesicles (EV) to facilitate cell-to-cell genetic communication. The purpose of this study was to characterize the baseline population of miRs secreted in EVs in the airways of young children (airway secretory microRNAome) and examine the changes during rhinovirus (RV) infection, the most common cause of asthma exacerbations and the most important early risk factor for the development of asthma beyond childhood...
2016: PloS One
https://www.readbyqxmd.com/read/27634639/the-roles-of-mirnas-as-potential-biomarkers-in-lung-diseases
#12
Shamila D Alipoor, Ian M Adcock, Johan Garssen, Esmaeil Mortaz, Mohammad Varahram, Mehdi Mirsaeidi, Aliakbar Velayati
MicroRNAs (miRNAs) are small non-coding RNAs which can act as master regulators of gene expression, modulate almost all biological process and are essential for maintaining cellular homeostasis. Dysregulation of miRNA expression has been associated with aberrant gene expression and may lead to pathological conditions. Evidence suggests that miRNA expression profiles are altered between health and disease and as such may be considered as biomarkers of disease. Evidence is increasing that miRNAs are particularly important in lung homeostasis and development and have been demonstrated to be the involved in many pulmonary diseases such as asthma, COPD, sarcoidosis, lung cancer and other smoking related diseases...
September 12, 2016: European Journal of Pharmacology
https://www.readbyqxmd.com/read/27629364/selective-targeting-of-cbp-%C3%AE-catenin-inhibits-growth-of-and-extracellular-matrix-remodelling-by-airway-smooth-muscle
#13
Tim Koopmans, Stijn Crutzen, Mark H Menzen, Andrew J Halayko, Tillie-Louise Hackett, Darryl A Knight, Reinoud Gosens
BACKGROUND AND PURPOSE: Asthma is a heterogeneous chronic inflammatory disease, characterized by the development of structural changes (airway remodelling). β-catenin, a transcriptional co-activator is fundamentally involved in airway smooth muscle growth, and may be a potential target in the treatment of airway smooth muscle remodelling. EXPERIMENTAL APPROACH: Using small-molecule compounds that selectively target β-catenin breakdown or its interactions with transcriptional co-activators, we assessed their ability to inhibit airway smooth muscle remodelling in vitro and in vivo...
September 15, 2016: British Journal of Pharmacology
https://www.readbyqxmd.com/read/27581826/cell-derived-microparticles-and-the-lung
#14
REVIEW
Dario Nieri, Tommaso Neri, Silvia Petrini, Barbara Vagaggini, Pierluigi Paggiaro, Alessandro Celi
Cell-derived microparticles are small (0.1-1 μm) vesicles shed by most eukaryotic cells upon activation or during apoptosis. Microparticles carry on their surface, and enclose within their cytoplasm, molecules derived from the parental cell, including proteins, DNA, RNA, microRNA and phospholipids. Microparticles are now considered functional units that represent a disseminated storage pool of bioactive effectors and participate both in the maintenance of homeostasis and in the pathogenesis of diseases. The mechanisms involved in microparticle generation include intracellular calcium mobilisation, cytoskeleton rearrangement, kinase phosphorylation and activation of the nuclear factor-κB...
September 2016: European Respiratory Review: An Official Journal of the European Respiratory Society
https://www.readbyqxmd.com/read/27578934/impulse-oscillometry-the-state-of-art-for-lung-function-testing
#15
REVIEW
Koundinya Desiraju, Anurag Agrawal
Impulse oscillometry (IOS) is a variant of forced oscillation technique, described by Dubois over 50 years ago, which permits passive measurement of lung mechanics. In this method, sound waves are superimposed on normal tidal breathing, and the disturbances in flow and pressure caused by the external waves are used to calculate parameters describing the resistance to airflow and reactive parameters that mostly relate to efficient storage and return of energy by the lung. It requires minimal patient cooperation and can be done easily in subjects who are unable to perform spirometry...
July 2016: Lung India: Official Organ of Indian Chest Society
https://www.readbyqxmd.com/read/27578480/increased-angiogenic-factors-in-exhaled-breath-condensate-of-children-with-severe-asthma-new-markers-of-disease-progression
#16
Katarzyna Grzela, Malgorzata Litwiniuk, Alicja Krejner, Wioletta Zagorska, Tomasz Grzela
Asthma progression is associated with airway remodeling and neo-vascularization. However, role of angiogenesis in these changes remains unclear and available data still incomplete. In this pilot study we verify usefulness of proteome profiler assay in screening of angiogenesis-related factors in exhaled breath condensates (EBC) collected from children with asthma. EBC samples from patients with mild or severe asthma and healthy controls were tested using protein array. In EBC samples from patients with severe asthma we have found large quantities of several angiogenesis regulators, including thrombospondin (TSP)-1, angiogenin, dipeptidyl peptidase (DPP) IV, matrix metalloproteinase (MMP)-9 and its inhibitor TIMP-1...
September 2016: Respiratory Medicine
https://www.readbyqxmd.com/read/27557670/from-genesis-to-revelation-the-role-of-inflammatory-mediators-in-chronic-respiratory-diseases-and-their-control-by-nucleic-acid-based-drugs
#17
Sante Di Gioia, Carla Sardo, Stefano Castellani, Barbara Porsio, Giuliana Belgiovine, Annalucia Carbone, Gaetano Giammona, Gennara Cavallaro, Massimo Conese
Asthma, chronic obstructive pulmonary disease, cystic fibrosis, and idiopathic pulmonary fibrosis, are among the most common chronic diseases and their prevalence is increasing. Each of these diseases is characterized by the secretion of cytokines and pro-inflammatory molecules which are thought to play a critical role in their pathogenesis. Moreover, immune cells, particularly neutrophils, macrophages and dendritic cells as well structural cells such as epithelial and airway smooth muscle cells are also involved in the pathogenic cycle of these diseases...
August 24, 2016: Current Drug Delivery
https://www.readbyqxmd.com/read/27522955/dilemmas-confusion-and-misconceptions-related-to-small-airways-directed-therapy
#18
Federico Lavorini, Søren Pedersen, Omar S Usmani
Over the last decade, there is increasing evidence that the small airways, i. e. airways <2 mm in internal diameter, contribute significantly to the pathophysiology and clinical expression of asthma and chronic obstructive pulmonary disease (COPD). The increased interest in small airways is, at least in part, a result of innovation in small-particle aerosol formulations that better target the distal lung and also advanced physiological methods of assessing small airway responses. Increasing the precision of drug deposition may improve targeting of specific diseases or receptor locations, decrease airway drug exposure and side effects, and thereby increase the efficiency and effectiveness of inhaled drug delivery...
August 11, 2016: Chest
https://www.readbyqxmd.com/read/27486836/home-telemonitoring-and-remote-feedback-between-clinic-visits-for-asthma
#19
REVIEW
Kayleigh M Kew, Christopher J Cates
BACKGROUND: Asthma is a chronic disease that causes reversible narrowing of the airways due to bronchoconstriction, inflammation and mucus production. Asthma continues to be associated with significant avoidable morbidity and mortality. Self management facilitated by a healthcare professional is important to keep symptoms controlled and to prevent exacerbations.Telephone and Internet technologies can now be used by patients to measure lung function and asthma symptoms at home. Patients can then share this information electronically with their healthcare provider, who can provide feedback between clinic visits...
2016: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/27477800/low-grade-disease-activity-in-early-life-precedes-childhood-asthma-and-allergy
#20
Bo Lund Krogsgaard Chawes
Asthma and allergies are today the most common chronic diseases in children and the leading causes of school absences, chronic medication usage, emergency department visits and hospitalizations, which affect all members of the family and represent a significant societal and scientific challenge. These highly prevalent disorders are thought to originate from immune distortion in early childhood, but the etiology and heterogeneity of the disease mechanisms are not understood, which hampers preventive initiatives and makes treatment inadequate...
August 2016: Danish Medical Journal
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