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https://www.readbyqxmd.com/read/29161084/mitochondrial-dysfunction-linking-obesity-and-asthma
#1
Naveen K Bhatraju, Anurag Agrawal
The bidirectional epidemiological association between asthma and obesity is well known. Recent evidence suggests that there is an intersection of the pathophysiological molecular pathways leading to either obesity or asthma, at the level of mitochondria. This is not surprising, because mitochondria, beyond their roles as the metabolic powerhouses of the cell, serve as sensors of threats, regulators of stress signaling, and effectors of cytotoxicity. Reduced mitochondrial function and low metabolic activity are well-recognized features of obesity...
November 2017: Annals of the American Thoracic Society
https://www.readbyqxmd.com/read/29161053/long-term-effectiveness-of-omalizumab-treatment-in-thai-severe-asthmatic-patients-a-real-life-experience
#2
Theerasuk Kawamatawong, Orapan Poachanukoon, Chalermporn Boonsiri, Atik Saengasapaviriya, Atik Saengasapaviriya, Chanchai Sittipunt, Hiroshi Chantaphakul, Atik Saengasapaviriya, Kittipong Maneechotesuwan, Pintip Ngamchanyaporn, Kunchit Piyavechviratana, Praparn Yongjaiyut, Apichart Khanisap, Siwasak Juthong, Warangkana Rithirak, Prapaporn Pornsuriyasak, Chaicharn Pothirat, Watchara Boonsawat
BACKGROUND: To evaluate long-term effectiveness of omalizumab in 'real-life' setting of Thai asthmatic patients. METHODS: We conducted multi-center, observational study in severe asthma patients who received omalizumab in Thailand. Outcomes were asthma exacerbation (hospitalization and ER visit), asthma control test (ACT), and daily ICS dose. Data were evaluated at baseline, 16 Week, and 52 Week. RESULTS: A total of 78 patients received omalizumab treatment (average duration 16...
November 22, 2017: Asian Pacific Journal of Allergy and Immunology
https://www.readbyqxmd.com/read/29160383/epidemiological-trends-of-allergic-diseases-in-adolescents
#3
Silvia de Souza Campos Fernandes, Cláudia Ribeiro de Andrade, Cristina Gonçalves Alvim, Paulo Augusto Moreira Camargos, Cássio da Cunha Ibiapina
OBJECTIVE: To assess the prevalences of asthma, allergic rhinitis, and allergic rhinoconjunctivitis in adolescents in the city of Belo Horizonte, Brazil, in 2012 by administering the International Study of Asthma and Allergies in Childhood (ISAAC) questionnaire, as well as to compare the observed prevalences with those found in studies performed 10 years earlier and employing the same methodology used here. METHODS: This was a cross-sectional study conducted between May and December of 2012 and involving adolescents in the 13- to 14-year age bracket...
September 2017: Jornal Brasileiro de Pneumologia: Publicaça̋o Oficial da Sociedade Brasileira de Pneumologia e Tisilogia
https://www.readbyqxmd.com/read/29159833/maternal-hypothyroidism-in-the-perinatal-period-and-childhood-asthma-in-the-offspring
#4
Xiaoqin Liu, Stine Linding Andersen, Jørn Olsen, Esben Agerbo, Vivi Schlünssen, Shyamali Chandrika Dharmage, Trine Munk-Olsen
BACKGROUND: There is increasing interest in the possible link between maternal hypothyroidism in the perinatal period and childhood asthma risk. We explored this in the present study while accounting for the timing of hypothyroidism diagnosis. Further, we evaluated whether the risk was moderated by thyroid hormone treatment during pregnancy. METHODS: We conducted a population-based cohort study using Danish national registers. All liveborn singletons in Denmark from 1998 to 2007 were identified...
November 21, 2017: Allergy
https://www.readbyqxmd.com/read/29159257/development-and-analytical-performance-of-a-new-architect-automated-dipeptidyl-peptidase-4-immunoassay
#5
Philip M Hemken, Nicolette M Jeanblanc, Tracey Rae, Susan E Brophy, Maria J Datwyler, Ying Xu, T Scott Manetz, Inna Vainshtein, Meina Liang, Xiaodong Xiao, Partha S Chowdhury, Chien-Ying Chang, Katie Streicher, Lydia Greenlees, Koustubh Ranade, Gerard J Davis
Background: Dipeptidyl peptidase-4 (DPP-4) may be a suitable biomarker to identify people with severe asthma who have greater activation of the interleukin-13 (IL-13) pathway and may therefore benefit from IL-13-targeted treatments. We report the analytical performance of an Investigational Use Only immunoassay and provide data on the biological range of DPP-4 concentrations. Methods: We assessed assay performance, utilising analyses of precision, linearity and sensitivity; interference from common endogenous assay interferents, and from asthma and anti-diabetic medications, were also assessed...
December 2017: Pract Lab Med
https://www.readbyqxmd.com/read/29159029/case-report-unusual-cause-of-difficulty-in-intubation-and-ventilation-with-asthmatic-like-presentation-of-endobronchial-tuberculosis
#6
S Praveena Seevaunnamtum, Nazhan Afeef Mohd Ariff Ghazali, Wan Mohd Nazaruddin, Alwi Muhd Besari, N H Nik Fariza, Sanihah Che Omar, Saedah Ali, M Z Rhendra Hardy, Mohd Erham Mat Hassan, N M Nik Abdullah
Endobronchial Tuberculosis is hazardous in causing circumferential narrowing of tracheobronchial tree despite the eradication of tubercle bacilli in the initial insult from Pulmonary Tuberculosis. They may present as treatment resistant bronchial asthma and pose challenge to airway management in the acute setting. We present a 25 year-old lady who was newly diagnosed bronchial asthma with a past history of Pulmonary Tuberculosis that had completed treatment. She presented with sudden onset of difficulty breathing associated with noisy breathing for 3 days and hoarseness of voice for 6 months...
2017: Respiratory Medicine Case Reports
https://www.readbyqxmd.com/read/29158156/anti-allergic-effects-of-sesquiterpene-lactones-from-saussurea-costus-falc-lipsch-determined-using-in-vivo-and-in-vitro-experiments
#7
Bo-Kyung Lee, Soo-Jin Park, So-Yeon Nam, Saeromi Kang, Jin Hwang, Seung-Jin Lee, Dong-Soon Im
ETHNOPHARMACOLOGICAL RELEVANCE: Saussurea costus (Falc.) Lipsch. root has been used in Asian traditional medicine for the treatment of asthma, rheumatism, and other conditions. S. costus extracts were shown to alleviate house dust mite-induced atopic-like dermatitis in Nc/Nga mice; besides, sesquiterpene lactones were isolated from S. costus extracts. AIMS OF THE STUDY: We aimed to investigate the effects of sesquiterpene lactones (alantolactone, costunolide, and dehydrocostuslactone) in allergic asthma using female Balb/c mice and rat RBL-2H3 mast cells...
November 17, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/29158154/tiotropium-inhibits-mucin-production-stimulated-by-neutrophil-elastase-but-not-by-il-13
#8
Kosaku Komiya, Shuichi Kawano, Isao Suzaki, Tomohiro Akaba, Jun-Ichi Kadota, Bruce K Rubin
Tiotropium, a muscarinic antagonist, is approved for the treatment of chronic obstructive pulmonary disease and poorly controlled asthma. Because mucus hypersecretion is characteristic of both of these diseases, and muscarinic agonists stimulate mucus secretion, we hypothesized that tiotropium would attenuate airway MUC5AC expression. We grew normal human bronchial epithelial (NHBE) cells to a goblet cell phenotype with 1 or 5 ng/mL of IL-13 and exposed these cells to 10 nM tiotropium or excipient for the full 14 days...
November 17, 2017: Pulmonary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/29158087/fabp4-induces-asthmatic-airway-epithelial-barrier-dysfunction-via-ros-activated-foxm1
#9
Gaohui Wu, Liteng Yang, Yi Xu, Xiaohong Jiang, Xiaomin Jiang, Lisha Huang, Ling Mao, Shaoxi Cai
Functional abnormal airway epithelial cells, along with activated inflammatory cells, resulting in chronic airway inflammation, are considered as the characteristic of asthma. Fatty Acid Binding Protein 4 (FABP4) takes part in glucose and lipid homeostasis, and also have an important role in allergic airway inflammation. However, whether FABP4 influence barrier function of airway epithelial cells is unknown. In vivo, a HDM-induced murine model of asthma was obtained to assessed airway inflammation and protein expression of E-cadherin and Forkhead Box M1 (FoxM1)...
November 17, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29157020/pharmacokinetic-drug-evaluation-of-mepolizumab-for-the-treatment-of-severe-asthma-associated-with-persistent-eosinophilic-inflammation-in-adults
#10
Lakshmi Kallur, Alexei Gonzalez-Estrada, Frank Eidelman, Ves Dimov
Mepolizumab is a humanized monoclonal antibody that binds to and inactivates IL-5. It is available as a subcutaneous preparation. The practical application of mepolizumab is as an add-on therapy in the treatment of severe eosinophilic asthma. Areas covered: This article was created from a comprehensive literature search with information taken from meta-analyses, systematic reviews, and clinical trials of adults. The articles that have been selected evaluate the use of mepolizumab and its role in eosinophilic asthma...
November 21, 2017: Expert Opinion on Drug Metabolism & Toxicology
https://www.readbyqxmd.com/read/29156524/kif3a-knockdown-sensitizes-bronchial-epithelia-to-apoptosis-and-aggravates-airway-inflammation-in-asthma
#11
Gang Geng, Ying Du, Jihong Dai, Daiyin Tian, Yunqiu Xia, Zhou Fu
BACKGROUND: KIF3A expression was decreased in asthmatic child patients and animal. Impaired KIF3A expression resulted in increased Th2 inflammation in mice and apoptosis in renal tubular epithelium and photoreceptor cells. This work aimed to investigate the role of KIF3A in epithelium apoptosis and bronchial inflammation in asthma. METHODS: After establishment of ovalbumin induced asthma, the mice were infected with KIF3A adenovirus through nasal cavity inhalation...
November 15, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29155876/docking-analysis-and-the-possibility-of-prediction-efficacy-for-an-anti-il-13-biopharmaceutical-treatment-with-tralokinumab-and-lebrikizumab-for-bronchial-asthma
#12
Yutaka Nakamura, Aki Sugano, Mika Ohta, Yutaka Takaoka
Interleukin-13 (IL-13) is associated with allergic airway inflammation and airway remodeling. Our group found a variant with a single nucleotide polymorphism in the IL13 gene at position +2044G>A (rs20541) that was expected to result in the non-conservative replacement of a positively charged arginine (R) with a neutral glutamine (Q) at position 144. IL-13Q144 was associated with augmented allergic airway inflammation and bronchial asthma remodeling. There is some indication that anti-IL-13 monoclonal antibodies can demonstrate a positive effect on the clinical course of refractory asthmatic patients...
2017: PloS One
https://www.readbyqxmd.com/read/29153413/an-objective-evaluation-of-nocturnal-cough-count-and-cough-pattern-in-children-with-psychogenic-cough
#13
Eri Imai, Kota Hirai, Yoshiko Mikami, Mariko Nukaga, Mayumi Enseki, Hideyuki Tabata, Masahiko Kato, Hiroyuki Mochizuki
Two patients with a chronic, barking cough were diagnosed with psychogenic cough. Using an original cough counter we studied the nocturnal cough count and pattern. While the number of coughs when awake was extremely high for both patients, the number of coughs was remarkably reduced during sleep, similar to an exacerbation of asthma. Moreover, the properties of the coughs when awake were clearly different from those of coughs during sleep. In conclusion, an objective examination using a cough counter was useful for the diagnosis, treatment and management of psychogenic cough...
November 2017: Respiratory Investigation
https://www.readbyqxmd.com/read/29152899/lung-function-after-extremely-preterm-birth-a-population-based-cohort-study-express
#14
Per Thunqvist, Ellen Tufvesson, Leif Bjermer, Anna Winberg, Vineta Fellman, Magnus Domellöf, Erik Melén, Mikael Norman, Jenny Hallberg
BACKGROUND AND OBJECTIVES: Follow-up studies of children and young adults born very-to-moderately preterm show persistent and significant lung function deficits. The aim of the study was to determine lung function and airway mechanics in school-aged children born in 2004 to 2007 and extremely preterm (after 22-26 weeks of gestation). METHODS: In a population-based cohort of children born extremely preterm and controls born at term (n = 350), follow-up at 6½-years-of-age was performed using spirometry and impulse oscillometry...
November 20, 2017: Pediatric Pulmonology
https://www.readbyqxmd.com/read/29152167/differences-in-medication-adherence-are-associated-with-beliefs-about-medicines-in-asthma-and-copd
#15
Susanne Brandstetter, Tamara Finger, Wiebke Fischer, Magdalena Brandl, Merle Böhmer, Michael Pfeifer, Christian Apfelbacher
Adherence to medication is crucial for achieving treatment control in chronic obstructive lung diseases. This study refers to the "necessity-concerns framework" and examines the associations between beliefs about medicines and self-reported medication adherence in people with chronic obstructive lung disease. 402 patients (196 with asthma, 206 with COPD) participated in the study and completed a questionnaire comprising the "Beliefs about Medicines-Questionnaire" (BMQ) and the "Medication Adherence Report Scale" (MARS)...
2017: Clinical and Translational Allergy
https://www.readbyqxmd.com/read/29151559/-effects-of-education-about-action-plans-according-to-self-monitoring-on-self-management-adherence-knowledge-symptom-control-and-quality-of-life-among-adult-asthma-patients-a-randomized-controlled-trial
#16
Ja Yun Choi, Young Ran Kweon
PURPOSE: This study was conducted to identify the effects of education regarding action plans according to a self-monitoring program on self-management adherence, knowledge, symptom control, and health-related quality of life (HRQoL) among adults with asthma. METHODS: Thirty-four patients were randomly assigned to the intervention group and thirty-two to the control group in this study. A tailored 50-minute intervention based on the contents of self-monitoring and action plans developed by the National Heart Lung and Blood Institute was provided to the intervention group...
October 2017: Journal of Korean Academy of Nursing
https://www.readbyqxmd.com/read/29150353/barrier-dysfunction-in-the-nasal-allergy
#17
REVIEW
Ayumi Fukuoka, Tomohiro Yoshimoto
Epithelial cells form the first physiological barrier against invasion by pathogens and the infiltration of allergens. Tight junctions (TJ), a cell-cell junctional complex located on the apical side of epithelial cells, have a critical role in the maintenance of epithelial barrier function. Impaired TJ structures are observed in patients with asthma, atopic dermatitis and nasal allergy; therefore, the dysfunction of epithelial barriers might be involved in the initiation or progression of allergic diseases...
November 14, 2017: Allergology International: Official Journal of the Japanese Society of Allergology
https://www.readbyqxmd.com/read/29150069/effect-of-a-mobile-health-sensor-driven-asthma-management-platform-on-asthma-control
#18
Meredith A Barrett, Olivier Humblet, Justine E Marcus, Kelly Henderson, Ted Smith, Nemr Eid, J Wesley Sublett, Andrew Renda, LaQuandra Nesbitt, David Van Sickle, David Stempel, James L Sublett
BACKGROUND: Asthma inflicts a significant health and economic burden in the United States. Self-management approaches to monitoring and treatment can be burdensome for patients. OBJECTIVE: To assess the effect of a digital health management program on asthma outcomes. METHODS: Residents of Louisville, Kentucky, with asthma were enrolled in a single-arm pilot study. Participants received electronic inhaler sensors that tracked the time, frequency, and location of short-acting β-agonist (SABA) use...
November 2017: Annals of Allergy, Asthma & Immunology
https://www.readbyqxmd.com/read/29150068/sensitization-to-staphylococcus-aureus-enterotoxins-in-smokers-with-asthma
#19
Tadao Nagasaki, Hisako Matsumoto, Tsuyoshi Oguma, Isao Ito, Hideki Inoue, Toshiyuki Iwata, Tomoko Tajiri, Yoshihiro Kanemitsu, Yumi Izuhara, Chie Morimoto, Yumi Ishiyama, Hironobu Sunadome, Akio Niimi, Toyohiro Hirai
BACKGROUND: Sensitization to Staphylococcus aureus enterotoxins (SEs) augments eosinophilic inflammation in asthma. Recent epidemiologic studies demonstrate that sensitization to SEs is increased in healthy smokers; however, there is no evidence on the association between sensitization to SEs and eosinophilic inflammation in smokers with asthma. OBJECTIVE: To clarify the role of SEs on clinical indexes, including eosinophilic inflammation and lung function in smokers with asthma...
November 2017: Annals of Allergy, Asthma & Immunology
https://www.readbyqxmd.com/read/29149776/effect-of-nebulized-3-hypertonic-saline-with-salbutamol-on-management-of-acute-asthma-in-outpatient-adults-a-double-blind-randomized-clinical-trial-in-emergency-department
#20
Arash Forouzan, Kambiz Masoumi, Ali Delirrooyfard, Ali Asgari Darian, Laaya Mokhtar Gandomani
Asthma is one of the most common disorders of respiratory tract, management of which still remains as a serious health problem. This study aimed to compare the efficacy of 3% hypertonic saline (HS) plus salbutamol with solely salbutamol on management of acute adults' asthma based on peak flow meter findings. In this double-blind randomized clinical trial, 340 adult patients with acute asthma attacks admitted to emergency department of Ahvaz Golestan and Emam hospitals were enrolled during 2014-2015. The patients were allocated randomly to intervention group (nebulized 2...
October 2017: Iranian Journal of Allergy, Asthma, and Immunology
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