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https://www.readbyqxmd.com/read/29150070/decreased-expression-of-indolamine-2-3-dioxygenase-in-childhood-allergic-asthma-and-its-inverse-correlation-with-fractional-concentration-of-exhaled-nitric-oxide
#1
Ying Hu, Zhiqiang Chen, Ling Jin, Mei Wang, Wei Liao
BACKGROUND: The tryptophan metabolic pathway mediated by indolamine 2,3-dioxygenase (IDO), a tryptophan-degrading enzyme, plays an important role in controlling the development of allergic inflammation. The fractional concentration of exhaled nitric oxide (FeNO) is closely associated with the allergic state and is extensively used for the clinical evaluation of airway allergic inflammation. Clinical trials have rarely assessed the expression of IDO in childhood allergic asthma and its correlation with FeNO...
November 2017: Annals of Allergy, Asthma & Immunology
https://www.readbyqxmd.com/read/29147010/epithelial-folliculin-is-involved-in-airway-inflammation-in-workers-exposed-to-toluene-diisocyanate
#2
Duy L Pham, Tu Hk Trinh, Ga-Young Ban, Seung-Hyun Kim, Hae-Sim Park
Toluene diisocyanate (TDI) exposure can directly activate and damage airway epithelium. Folliculin (FLCN) is a protein expressed by human airway epithelial cells (HAECs) to maintain airway epithelial integrity and survival. This study investigated the involvement of FLCN in the pathogenesis of TDI-induced occupational asthma (OA). Enzyme-linked immunosorbent assay was used to measure serum levels of FLCN in TDI-exposed subjects (93 TDI-OA patients and 119 asymptomatic exposed controls (AEC)), 200 non-occupational asthma (NOA) patients and 71 unexposed healthy normal controls (NCs)...
November 17, 2017: Experimental & Molecular Medicine
https://www.readbyqxmd.com/read/29146609/inflammation-age-and-changing-microbiology-the-search-for-causation-in-the-cystic-fibrosis-airways
#3
EDITORIAL
Geraint B Rogers
No abstract text is available yet for this article.
November 2017: European Respiratory Journal: Official Journal of the European Society for Clinical Respiratory Physiology
https://www.readbyqxmd.com/read/29146601/airway-microbiota-across-age-and-disease-spectrum-in-cystic-fibrosis
#4
Edith T Zemanick, Brandie D Wagner, Charles E Robertson, Richard C Ahrens, James F Chmiel, John P Clancy, Ronald L Gibson, William T Harris, Geoffrey Kurland, Theresa A Laguna, Susanna A McColley, Karen McCoy, George Retsch-Bogart, Kurtis T Sobush, Pamela L Zeitlin, Mark J Stevens, Frank J Accurso, Scott D Sagel, J Kirk Harris
Our objectives were to characterise the microbiota in cystic fibrosis (CF) bronchoalveolar lavage fluid (BALF), and determine its relationship to inflammation and disease status.BALF from paediatric and adult CF patients and paediatric disease controls undergoing clinically indicated bronchoscopy was analysed for total bacterial load and for microbiota by 16S rDNA sequencing.We examined 191 BALF samples (146 CF and 45 disease controls) from 13 CF centres. In CF patients aged <2 years, nontraditional taxa (e...
November 2017: European Respiratory Journal: Official Journal of the European Society for Clinical Respiratory Physiology
https://www.readbyqxmd.com/read/29146575/lumacaftor-vx-809-restores-the-ability-of-cf-macrophages-to-phagocytose-and-kill-pseudomonas-aeruginosa
#5
Roxanna Barnaby, Katja Koeppen, Amanda Nymon, Thomas H Hampton, Brent Berwin, Alix Ashare, Bruce Stanton
Cystic Fibrosis (CF), the most common lethal genetic disease in Caucasians, is characterized by chronic bacterial lung infection and excessive inflammation, which leads to progressive loss of lung function, and premature death. Although ivacaftor (VX-770) and the combination of ivacaftor and lumacaftor (VX-809) improve lung function in CF patients with the Gly551Asp and del508Phe mutation, respectively, the effects of these drugs on the function of human CF macrophages are unknown. Thus, studies were conducted to examine the effects of lumacaftor alone and in combination with ivacaftor (i...
November 16, 2017: American Journal of Physiology. Lung Cellular and Molecular Physiology
https://www.readbyqxmd.com/read/29146574/mast-cell-dependent-il-33-st2-signaling-is-protective-against-the-development-of-airway-hyperresponsiveness-in-a-house-dust-mite-mouse-model-of-asthma
#6
Anna Maria Zoltowska Nilsson, Ying Lei, Mikael Adner, Gunnar P Nilsson
Interleukin-33 (IL-33) and its receptor ST2 have been influentially associated to the pathophysiology of asthma. Due to the divergent roles of IL-33 in regulating mast cell functions, there is a need to further characterize IL-33/ST2-dependent mast cell responses and their significance in the context of asthma. This study aimed to investigate how IL-33/ST2-dependent mast cell responses contribute to the development of airway hyperresponsiveness (AHR) and airway inflammation in a mouse model of house dust mite (HDM) induced asthma...
November 16, 2017: American Journal of Physiology. Lung Cellular and Molecular Physiology
https://www.readbyqxmd.com/read/29146301/association-of-sputum-and-blood-eosinophil-concentrations-with-clinical-measures-of-copd-severity-an-analysis-of-the-spiromics-cohort
#7
Annette T Hastie, Fernando J Martinez, Jeffrey L Curtis, Claire M Doerschuk, Nadia N Hansel, Stephanie Christenson, Nirupama Putcha, Victor E Ortega, Xingnan Li, R Graham Barr, Elizabeth E Carretta, David J Couper, Christopher B Cooper, Eric A Hoffman, Richard E Kanner, Eric Kleerup, Wanda K O'Neal, Richard Paine, Stephen P Peters, Neil E Alexis, Prescott G Woodruff, MeiLan K Han, Deborah A Meyers, Eugene R Bleecker
BACKGROUND: Increased concentrations of eosinophils in blood and sputum in chronic obstructive pulmonary disease (COPD) have been associated with increased frequency of exacerbations, reduced lung function, and corticosteroid responsiveness. We aimed to assess whether high eosinophil concentrations in either sputum or blood are associated with a severe COPD phenotype, including greater exacerbation frequency, and whether blood eosinophils are predictive of sputum eosinophils. METHODS: We did a multicentre observational study analysing comprehensive baseline data from SPIROMICS in patients with COPD aged 40-80 years who had a smoking history of at least 20 pack-years, recruited from six clinical sites and additional subsites in the USA between Nov 12, 2010, and April 21, 2015...
November 13, 2017: Lancet Respiratory Medicine
https://www.readbyqxmd.com/read/29144885/systemic-and-airway-inflammation-after-exposure-to-fumes-from-military-small-arms
#8
Liv I B Sikkeland, Anne K Borander, Øyvind A Voie, Hans C D Aass, Reidun Øvstebø, Pål Aukrust, Kjetil Longva, Neil E Alexis, Johny Kongerud, Thor Ueland
No abstract text is available yet for this article.
November 16, 2017: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/29141922/trpc6-contributes-to-lps-induced-inflammation-through-erk1-2-and-p38-pathway-in-bronchial-epithelial-cells
#9
Li-Fen Zhou, Qing-Zi Chen, Chun-Tao Yang, Zhao-Di Fu, Shen-Ting Zhao, Yan Chen, Shu-Ni Li, Li Liao, Yu-Bo Zhou, Jian-Rong Huang, Jian-Hua Li
Transient receptor potential canonical (TRPC) channels are currently an emerging target for airway disorders. Recent evidences have indicated that TRPC6 as a member of the TRPC family plays an important role in airway inflammation, but its precise function in bronchial epithelial cells remains unclear. The aim of this study was to investigate the role of TRPC6 in TLR4-mediated inflammation in human bronchial epithelial cells stimulated by endotoxin (lipopolysaccharide, LPS). Hyp9 is a simplified phloroglucinol derivative of Hyperforin which highly selective activates TRPC6 channels...
November 15, 2017: American Journal of Physiology. Cell Physiology
https://www.readbyqxmd.com/read/29140397/progress-in-the-understanding-of-the-pathology-of-allergic-asthma-and-the-potential-of-fruit-proanthocyanidins-as-modulators-of-airway-inflammation
#10
REVIEW
Sara L Coleman, Odette M Shaw
Allergic asthma is a chronic inflammatory lung disease characterized by sensitization of the airways, and the development of immunoglobulin E antibodies, to benign antigens. The established pathophysiology of asthma includes recurrent lung epithelial inflammation, excessive mucus production, bronchial smooth muscle hyperreactivity, and chronic lung tissue remodeling, resulting in reversible airflow restriction. Immune cells, including eosinophils and the recently characterized type 2 innate lymphoid cells, infiltrate into the lung tissue as part of the inflammatory response in allergic asthma...
November 15, 2017: Food & Function
https://www.readbyqxmd.com/read/29139062/tools-in-asthma-evaluation-and-management-when-and-how-to-use-them
#11
REVIEW
Anna Mulholland, Alana Ainsworth, Naveen Pillarisetti
The goals of asthma management are accurate diagnosis, prompt initiation of treatment and monitoring of disease progression to limit potential morbidity and mortality. While the diagnosis and management is largely based on history taking and clinical examination, there are an increasing number of tools available that could be used to aid diagnosis, define phenotypes, monitor progress and assess response to treatment. Tools such as the Asthma Predictive Index could help in making predictions about the possibility of asthma in childhood based on certain clinical parameters in pre-schoolers...
November 15, 2017: Indian Journal of Pediatrics
https://www.readbyqxmd.com/read/29138549/inflammation-and-chronic-colonization-of-haemophilus-influenzae-in-sputum-in-copd-patients-related-to-the-degree-of-emphysema-and-bronchiectasis-in-high-resolution-computed-tomography
#12
Ellen Tufvesson, Hanna Markstad, Gracijela Bozovic, Marie Ekberg, Leif Bjermer
The presence of bacteria in the lower airways in COPD results in inflammation, further airway structural damage, and might lead to repeated exacerbations. We have previously shown that chronic colonization of Haemophilus influenzae during stable disease is related to increased inflammation, and we now aimed to relate previous findings of bacterial colonization and inflammation to the degree of radiological findings of bronchiectasis and emphysema. Thirty-nine patients with COPD were included in their stable state, and a high-resolution computed tomography of the lung was performed...
2017: International Journal of Chronic Obstructive Pulmonary Disease
https://www.readbyqxmd.com/read/29138487/associations-between-th17-related-inflammatory-cytokines-and-asthma-in-adults-a-case-control-study
#13
Ting Zhou, Xiji Huang, Yun Zhou, Jixuan Ma, Min Zhou, Yuewei Liu, Lili Xiao, Jing Yuan, Jungang Xie, Weihong Chen
Chronic airway inflammation is recognized as an essential process in the pathogenesis of asthma. Cytokine profiles derived from immune and inflammation cells such as T-helper (Th) cells, eosinophilia and neutrophilia are not limited to the Th2 type in asthma. However, little is understood about associations between Th2-low inflammatory cytokine profiles and risk of asthma in adults. A case-control study of 910 adult asthma and 881 healthy controls was conducted. Inflammatory cytokines screening was undertaken by high-throughput protein microarray technology, and Th17-related inflammatory cytokines (IL17A, IL-9, adipsin and CCL11) were finally selected...
November 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29138462/the-antibacterial-and-anti-inflammatory-activity-of-chicken-cathelicidin-2-combined-with-exogenous-surfactant-for-the-treatment-of-cystic-fibrosis-associated-pathogens
#14
Brandon J H Banaschewski, Brandon Baer, Christina Arsenault, Teah Jazey, Edwin J A Veldhuizen, Johan Delport, Tracey Gooyers, James F Lewis, Henk P Haagsman, Ruud A W Veldhuizen, Cory Yamashita
Cystic fibrosis (CF) is characterized by recurrent airway infections with antibiotic-resistant bacteria and chronic inflammation. Chicken cathelicin-2 (CATH-2) has been shown to exhibit antimicrobial activity against antibiotic-resistant bacteria and to reduce inflammation. In addition, exogenous pulmonary surfactant has been suggested to enhance pulmonary drug delivery. It was hypothesized that CATH-2 when combined with an exogenous surfactant delivery vehicle, bovine lipid extract surfactant (BLES), would exhibit antimicrobial activity against CF-derived bacteria and downregulate inflammation...
November 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29138047/antibacterial-effect-and-dna-delivery-using-a-combination-of-an-arsonium-containing-lipophosphoramide-with-an-n-heterocyclic-carbene-silver-complex-potential-benefits-for-cystic-fibrosis-lung-gene-therapy
#15
Angélique Mottais, Mathieu Berchel, Yann Sibiril, Véronique Laurent, Deborah Gill, Stephen Hyde, Paul-Alain Jaffrès, Tristan Montier, Tony Le Gall
Cystic Fibrosis (CF), the most common chronic genetic disorder among the Caucasian population, is a life-threatening disease mainly due to respiratory failures resulting from chronic infections and inflammation. Although research in the pharmacological field has recently made significant progress, gene therapy still remains a promising strategy to cure CF, especially because it should be applicable to any patient whatever the mutation profile. Until now, little attention has been paid to bacterial lung infections with regard to gene delivery to the airways; yet, this could greatly impact on the success of gene therapy...
November 11, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/29137646/the-potential-of-interleukin-37-as-an-effective-therapeutic-agent-in-asthma
#16
REVIEW
Lina Zhang, Jie Zhang, Peng Gao
Interleukin (IL)-37 belongs to the IL-1 cytokine family. It binds to IL-18Rα and recruits the orphan decoy IL-1R8. Emerging evidence shows that IL-37 is a key player in the regulation of inflammation, cellular differentiation, and proliferation. Altered IL-37 expression has been demonstrated in many inflammatory disease conditions, including asthma. In rheumatoid arthritis, IL-37 is involved in the regulation of proliferation, production of inflammatory mediators, and activation of inflammatory cells. Furthermore, this cytokine acts as a negative regulator of inflammation in inflammatory bowel disease...
November 14, 2017: Respiratory Research
https://www.readbyqxmd.com/read/29137638/virus-triggered-exacerbation-in-allergic-asthmatic-children-neutrophilic-airway-inflammation-and-alteration-of-virus-sensors-characterize-a-subgroup-of-patients
#17
Antoine Deschildre, Muriel Pichavant, Ilka Engelmann, Carole Langlois, Elodie Drumez, Guillaume Pouessel, Sophie Boileau, David Romero-Cubero, Irina Decleyre-Badiu, Anny Dewilde, Didier Hober, Véronique Néve, Caroline Thumerelle, Stéphanie Lejeune, Clémence Mordacq, Philippe Gosset
BACKGROUND: Viruses are important triggers of asthma exacerbations. They are also detected outside of exacerbation. Alteration of anti-viral response in asthmatic patients has been shown although the mechanisms responsible for this defect remain unclear. The objective of this study was to compare in virus-infected and not-infected allergic asthmatic children, aged 6 to 16 years, admitted to hospital for a severe exacerbation, the innate immune response and especially the expression of pattern recognition receptor (PRR) and their function...
November 14, 2017: Respiratory Research
https://www.readbyqxmd.com/read/29137224/role-of-the-inflammasome-in-chronic-obstructive-pulmonary-disease-copd
#18
Chiara Colarusso, Michela Terlizzi, Antonio Molino, Aldo Pinto, Rosalinda Sorrentino
Inflammation is central to the development of chronic obstructive pulmonary disease (COPD), a pulmonary disorder characterized by chronic bronchitis, chronic airway obstruction, emphysema, associated to progressive and irreversible decline of lung function. Emerging genetic and pharmacological evidence suggests that IL-1-like cytokines are highly detected in the sputum and broncho-alveolar lavage (BAL) of COPD patients, implying the involvement of the multiprotein complex inflammasome. So far, scientific evidence has focused on nucleotide-binding oligomerization domain-like receptors protein 3 (NLRP3) inflammasome, a specialized inflammatory signaling platform that governs the maturation and secretion of IL-1-like cytokines through the regulation of caspase-1-dependent proteolytic processing...
October 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/29135910/sleep-disordered-breathing-in-children-with-recurrent-wheeze-asthma-a-single-centre-study
#19
Marco Zaffanello, Emma Gasperi, Laura Tenero, Michele Piazza, Angelo Pietrobelli, Luca Sacchetto, Franco Antoniazzi, Giorgio Piacentini
The relationship between asthma and sleep-disordered breathing is bidirectional due to common risk factors that promote airway inflammation. Obstructive sleep-disordered breathing and recurrent wheeze/asthma are conditions that involve the upper and the lower respiratory system, respectively. The aim of the present study was to investigate the sleep disordered breathing in children with recurrent wheeze/asthma. This was a retrospective study concerning children older than 2 years who underwent-between January 2014 and November 2016-an in-laboratory overnight polygraphic study...
November 14, 2017: Children
https://www.readbyqxmd.com/read/29135403/a-case-of-relapsing-polychondritis-mimicking-lung-cancer
#20
Fatma Canbay, Aydın Yılmaz, Ayperi Öztürk, Zafer Aktaş, Ebru Tatcı
Relapsing polychondritis (RP) is a rare autoimmune disease, characterized by episodic inflammatory attacks on cartilaginous tissue. Elastic cartilage of the ears and nose, hyaline cartilage of the peripheral joints, vertebral fibrocartilage, tracheobronchial cartilage, and tissues rich in proteoglycan such as those in the eyes, heart, blood vessels, and inner ear are more likely to be affected. A 35-year-old male presented with complaints of hoarseness, tinnitus and dyspnea for 19 years, with a history of several diagnostic and therapeutic interventions for laryngeal and respiratory tract...
September 2017: Tüberküloz Ve Toraks
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