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https://www.readbyqxmd.com/read/28731412/lung-sound-analysis-is-useful-for-monitoring-therapy-in-patients-with-bronchial-asthma
#1
T Shimoda, Y Obase, Y Nagasaka, H Nakano, R Kishikawa, T Iwanaga
BACKGROUND AND OBJECTIVE: Lung sound analysis (LSA) has been reported to be useful for predicting airway obstruction and inflammation in patients with bronchial asthma. Objectives: We examined whether the exhalation-to-inhalation sound pressure ratio in the middle frequency range (200-400 Hz) (E/I MF) is useful for monitoring therapy in patients with asthma. METHODS: The study population comprised 84 patients with mild to moderate asthma whose LSA data were available before and after 1 year of daily treatment with (budesonide 800 μg)...
2017: Journal of Investigational Allergology & Clinical Immunology
https://www.readbyqxmd.com/read/28731127/pidotimod-exacerbates-allergic-pulmonary-infection-in-an-ova-mouse-model-of-asthma
#2
Luo-Qin Fu, Ya-Li Li, Ai-Kun Fu, Yan-Ping Wu, Yuan-Yuan Wang, Sheng-Lan Hu, Wei-Fen Li
Pidotimod is a synthetic dipeptide with biological and immuno‑modulatory properties. It has been widely used for treatment and prevention of recurrent respiratory infections. However, its impact on the regulation of allergic pulmonary inflammation is still not clear. In the current study, an ovalbumin (OVA)‑induced allergic asthma model was used to investigate the immune‑modulating effects of pidotimod on airway eosinophilia, mucus metaplasia and inflammatory factor expression compared with dexamethasone (positive control)...
July 21, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28729731/anti-asthmatic-effect-of-pitavastatin-through-aerosol-inhalation-is-associated-with-cd4-cd25-foxp3-t-cells-in-an-asthma-mouse-model
#3
Songquan Wu, Ruhui Yang, Guangli Wang
Statins are competitive inhibitors of 3-hydroxy-3-methylglutaryl-CoA (HMG-A) reductase, and studies have shown that statins also have anti-inflammatory and immunomodulatory properties. The purpose of this study was to investigate the anti-asthmatic effects of pitavastatin, a type of statin, in an asthma mouse model. Mice were sensitized and challenged with ovalbumin (OVA) to establish the asthma model. These mice were then treated with inhaled pitavastatin (5 mg/kg) or dexamethasone (2 mg/kg), the latter of which served as a positive control...
July 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28727997/therapeutic-intranasal-instillation-of-allergen-loaded-microbubbles-suppresses-experimental-allergic-asthma-in-mice
#4
Blaise Corthésy, Gilles Bioley
Despite proven efficiency, subcutaneous immunotherapy for aeroallergens is impaired by the duration of the protocol, the repeated injections and potential side-effects associated with the doses of allergen administered. Intranasal delivery of immunotherapeutic agents may overcome several of these drawbacks, provided that an efficient allergen delivery vehicle can be identified. This study evaluates whether intranasally delivered gas-filled microbubble (MB)-associated ovalbumin (OVA), used as a model allergen, can serve as a therapeutic treatment in a mouse model of established allergic asthma...
July 12, 2017: Biomaterials
https://www.readbyqxmd.com/read/28724278/reductions-in-eosinophil-biomarkers-by-benralizumab-in-patients-with-asthma
#5
Mirhojjat Khorasanizadeh, Mahsa Eskian, Nima Rezaei
No abstract text is available yet for this article.
May 2017: Acta Medica Iranica
https://www.readbyqxmd.com/read/28721009/patient-profiles-and-clinical-utility-of-mepolizumab-in-severe-eosinophilic-asthma
#6
REVIEW
Pranabashis Haldar
Mepolizumab (Nucala(®)) is an effective and specific anti-eosinophil molecular therapy that has recently been approved as add-on therapy for the management of severe eosinophilic asthma by the US Food and Drug Administration (FDA), European Medicines Agency (EMA; European Union) and more recently National Institute for Health and Care Excellence (NICE; UK). It is one of several molecular therapies in development for this indication and is illustrative of the strategic trajectory for pharmaceutical drug development taken over the past decade in several disease areas...
2017: Biologics: Targets & Therapy
https://www.readbyqxmd.com/read/28713812/the-biology-of-eosinophils-and-their-role-in-asthma
#7
REVIEW
Claire N McBrien, Andrew Menzies-Gow
This review will describe the structure and function of the eosinophil. The roles of several relevant cell surface molecules and receptors will be discussed. We will also explore the systemic and local processes triggering eosinophil differentiation, maturation, and migration to the lungs in asthma, as well as the cytokine-mediated pathways that result in eosinophil activation and degranulation, i.e., the release of multiple pro-inflammatory substances from eosinophil-specific granules, including cationic proteins, cytokines, chemokines growth factors, and enzymes...
2017: Frontiers in Medicine
https://www.readbyqxmd.com/read/28713616/baicalein-wogonin-and-scutellaria-baicalensis-ethanol-extract-alleviate-ovalbumin-induced-allergic-airway-inflammation-and-mast-cell-mediated-anaphylactic-shock-by-regulation-of-th1-th2-imbalance-and-histamine-release
#8
Thi Tho Bui, Chun Hua Piao, Chang Ho Song, Chang-Hyun Lee, Hee Soon Shin, Ok Hee Chai
Asthma is characterized by chronic inflammation, goblet cell hyperplasia, the aberrant production of the Th2 cytokines, and eosinophil infiltration into the lungs. In this study, we examined the effects of baicalein, wogonin, and Scutellaria baicalensis ethanol extract on ovalbumin (OVA)-induced asthma by evaluating Th1/Th2 cytokine levels, histopathologic analysis, and compound 48/80-induced systemic anaphylaxis and mast cell activation, focusing on the histamine release from rat peritoneal mast cells. Baicalein, wogonin, and S...
June 2017: Anatomy & Cell Biology
https://www.readbyqxmd.com/read/28713373/15-deoxy-delta-12-14-prostaglandin-j2-inhibits-lung-inflammation-and-remodeling-in-distinct-murine-models-of-asthma
#9
Diego S Coutinho, Edna A Anjos-Valotta, Caio V M F do Nascimento, Ana Lucia A Pires, Marcelo H Napimoga, Vinícius F Carvalho, Rafael C Torres, Patrícia M R E Silva, Marco A Martins
15-deoxy-Δ-12,14-prostaglandin J2 (15d-PGJ2) has been described as an anti-inflammatory lipid mediator in several in vitro and in vivo studies, but its effect on allergic pulmonary inflammation remains elusive. The aim of this study was to investigate the therapeutic potential of 15d-PGJ2 based on distinct murine models of allergic asthma triggered by either ovalbumin (OVA) or house dust mite extract (HDM). Characteristics of lung inflammation, airway hyper-reactivity (AHR), mucus exacerbation, and lung remodeling in sensitized A/J mice treated or not with 15d-PGJ2 were assessed...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28709967/advances-in-asthma-2016-designing-individualized-approaches-to-management
#10
William C Anderson, Andrea Apter, Cullen M Dutmer, Daniel A Searing, Stanley J Szefler
In this years Advances in Asthma review we discuss viral infections in asthma and potential therapeutic agents, the microbiome, novel genetic associations with asthma, air quality and climate effects on asthma, exposures during development and long term sequelae of childhood asthma, patient centered outcome research, and precision medicine. In addition, we discuss application of biomarkers to precision medicine, and new information on asthma medications. New evidence indicates that rhinovirus-triggered asthma exacerbations become more severe as the degree of sensitization to dust mite and mouse increase...
July 11, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28709839/fungal-immunomodulatory-protein-fve-could-modulate-airway-remodel-through-by-affect-il17-cytokine
#11
Yu-Tzu Lee, Chia-Ta Wu, Hai-Lun Sun, Jiunn-Liang Ko, Ko-Haung Lue
BACKGROUND: Asthma is one of the most common allergic diseases. Our previous studies have reported that FIP-fve in acute allergic mouse model can reduce inflammation, improve the balance of the Th1/Th2 system. However, the effects of reducing airway remodeling on FIP-fve is still unknown. OBJECTIVE: We hypothesized that orally administrated FIP-fve should be able to reduce airway remodeling in chronic allergic models. METHODS: The chronic asthma animal model was established with 6-8 weeks female Balb/c mice...
June 29, 2017: Journal of Microbiology, Immunology, and Infection, Wei Mian Yu Gan Ran za Zhi
https://www.readbyqxmd.com/read/28709779/bronchial-hyper-responsiveness-after-preterm-birth
#12
REVIEW
Hege H Clemm, Merete Engeseth, Maria Vollsæter, Sailesh Kotecha, Thomas Halvorsen
Being born preterm often adversely affects later lung function. Airway obstruction and bronchial hyperresponsiveness (BHR) are common findings. Respiratory symptoms in asthma and in lung disease after preterm birth might appear similar, but clinical experience and studies indicate that symptoms secondary to preterm birth reflect a separate disease entity. BHR is a defining feature of asthma, but can also be found in other lung disorders and in subjects without respiratory symptoms. We review different methods to assess BHR, and findings reported from studies that have investigated BHR after preterm birth...
June 20, 2017: Paediatric Respiratory Reviews
https://www.readbyqxmd.com/read/28709761/central-nervous-system-involvement-in-eosinophilic-granulomatosis-with-polyangiitis-churg-strauss-report-of-26-patients-and-review-of-the-literature
#13
REVIEW
Raphaël André, Vincent Cottin, Jean-Luc Saraux, Gilles Blaison, Boris Bienvenu, Pascal Cathebras, Romain Dhote, Aurélie Foucher, Helder Gil, Joëlle Lapoirie, David Launay, Valentine Loustau, François Maurier, Edouard Pertuiset, Thierry Zénone, Jörg Seebach, Nathalie Costedoat-Chalumeau, Xavier Puéchal, Luc Mouthon, Loïc Guillevin, Benjamin Terrier
BACKGROUND: Although peripheral nervous system involvement is common in eosinophilic granulomatosis with polyangiitis (EGPA), central nervous system (CNS) manifestations are poorly described. This study aimed to describe CNS involvement in EGPA. PATIENTS AND METHODS: This retrospective, observational, multicenter study included patients with EGPA and CNS involvement affecting cranial nerves, brain and/or spinal cord. We also undertook a systematic literature review...
July 11, 2017: Autoimmunity Reviews
https://www.readbyqxmd.com/read/28709489/the-success-and-safety-profile-of-sputum-induction-in-patients-with-chronic-obstructive-pulmonary-disease-an-indian-experience
#14
Lalita Fernandes, Anthony Menezes Mesquita
BACKGROUND: Neutrophilic inflammation is common in chronic obstructive pulmonary disease while Asthma COPD overlap syndrome has eosinophilic predominance. Identifying the type of inflammation will aid in better management of COPD, but published studies show that induced sputum examination is more frequently used in asthma than COPD, with safety being the limiting factor. We aimed to determine the success and safety of sputum induction (SI) in COPD patients. METHODS: 116 stable COPD patients underwent SI...
July 2017: Indian Journal of Tuberculosis
https://www.readbyqxmd.com/read/28704185/phenotypes-determined-by-cluster-analysis-in-moderate-to-severe-bronchial-asthma
#15
Vania M Youroukova, Denitsa G Dimitrova, Anna D Valerieva, Spaska S Lesichkova, Tsvetelina V Velikova, Ekaterina I Ivanova-Todorova, Kalina D Tumangelova-Yuzeir
BACKGROUND: Bronchial asthma is a heterogeneous disease that includes various subtypes. They may share similar clinical characteristics, but probably have different pathological mechanisms. AIM: To identify phenotypes using cluster analysis in moderate to severe bronchial asthma and to compare differences in clinical, physiological, immunological and inflammatory data between the clusters. PATIENTS AND METHODS: Forty adult patients with moderate to severe bronchial asthma out of exacerbation were included...
June 1, 2017: Folia Medica
https://www.readbyqxmd.com/read/28697969/childhood-severe-asthma-new-insights-on-remodelling-and-biomarkers
#16
REVIEW
Sejal Saglani
Severe asthma in children is characterised by severe and multiple aeroallergen sensitisation, food allergy, eosinophilic airway inflammation and airway remodelling. However, it is a heterogeneous disease with considerable variability in the manifestation of each of these characteristics between patients. Recent data from mechanistic studies that have used translational approaches including neonatal mouse models and airway bronchoscopic samples, have shown specific molecular mediators that drive remodelling and steroid resistance in paediatric severe asthma will be discussed...
June 12, 2017: Paediatric Respiratory Reviews
https://www.readbyqxmd.com/read/28696809/effects-of-aspergillus-fumigatus-on-glucocorticoid-receptor-and-%C3%AE-2-adrenergic-receptor-expression-in-a-rat-model-of-asthma
#17
Xia Zhou, Ya-Jie Dang, Gui-Fang Wang, Xian-Qiao Jin
PURPOSE: Conventional inhaled corticosteroids or β2-adrenergic receptor agonists do not work well in some asthmatic populations while empirical antifungal therapy has obvious impact on those patients. The study was designed to investigate whether short-term exposure to Aspergillus fumigatus (A. fumigatus) could decrease glucocorticoid receptor (GCR) and β2-adrenergic receptor (ADRB2) expression in lung tissue of asthmatic rats. MATERIALS AND METHODS: A rat model of chronic asthma was first established by ovalbumin sensitization and challenge...
July 11, 2017: Experimental Lung Research
https://www.readbyqxmd.com/read/28696802/correlation-of-induced-sputum-eosinophil-levels-with-clinical-parameters-in-mild-and-moderate-persistent-asthma-in-children-aged-7-18%C3%A2-years
#18
Prachi Kansal, Devki Nandan, Sheetal Agarwal, Neha Patharia, Narendra Arya
BACKGROUND: Treatment decisions in asthma are currently based on clinical assessment and spirometry. Sputum eosinophil, being a marker of airway inflammation, can serve as a tool for assessing severity and response to treatment in asthma patients. OBJECTIVES: To measure eosinophil percentage in induced sputum in children with asthma and correlate it with clinical asthma parameters. METHODS: A prospective observational study was performed at tertiary care hospital on 91 children aged 7-18 years with newly diagnosed mild or moderate persistent asthma...
July 11, 2017: Journal of Asthma: Official Journal of the Association for the Care of Asthma
https://www.readbyqxmd.com/read/28696800/effect-of-nintedanib-on-airway-inflammation-and-remodeling-in-a-murine-chronic-asthma-model
#19
Hwa Young Lee, Jung Hur, In Kyoung Kim, Ji Young Kang, Hyoung Kyu Yoon, Sook Young Lee, Soon Suk Kwon, Young Kyoon Kim, Chin Kook Rhee
INTRODUCTION: Nintedanib is a multi-tyrosine kinase receptor inhibitor recently approved for treatment of idiopathic pulmonary fibrosis. Although angiogenesis is a key process involved in airway structural changes in patients with bronchial asthma, the effect of nintedanib targeting the angiokinase pathway on airway inflammation and remodeling has not been evaluated. METHODS: We used a 3-month ovalbumin (OVA) challenge mouse model of airway remodeling. Nintedanib was orally administrated during the challenge period, and the effects were examined based on the percentage of airway inflammatory cells, airway hyper-reactivity (AHR), peribronchial goblet cell hyperplasia, total lung collagen and smooth muscle area...
July 11, 2017: Experimental Lung Research
https://www.readbyqxmd.com/read/28696336/perspectives-on-exhaled-nitric-oxide
#20
Fabio Luigi Massimo Ricciardolo, Philip E Silkoff
The history of nitric oxide (NO) in respiratory field dates back to the beginning of '90s with the ancestral study by Lars Gustafsson et al. describing the presence of endogenous NO in the exhaled breath of human beings. Soon after, independent studies showed that exhaled NO concentrations (FENO) is higher in asthmatics than in normal subjects. Not all asthmatics demonstrate a high FENO reflecting heterogeneity of asthma. High values of FENO are associated with over-expression of corticosteroid-sensitive iNOS isoform and allergic/eosinophilic inflammation...
July 11, 2017: Journal of Breath Research
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