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IL-1 AND Asthma

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https://www.readbyqxmd.com/read/29221918/low-variability-in-peak-expiratory-flow-predicts-successful-inhaled-corticosteroid-step-down-in-adults-with-asthma
#1
Naomi Tsurikisawa, Chiyako Oshikata, Toshio Sato, Goro Kimura, Masami Mizuki, Takahiro Tsuburai, Shunsuke Shoji, Hiroshi Saito, Terufumi Shimoda
BACKGROUND: The prognosis for patients beyond 1 year after reduction of their inhaled corticosteroid (ICS) dose remains unknown. Predictive factors that can be evaluated before the initiation of asthma treatment or at ICS dose reduction are unknown. METHODS: We prospectively studied 223 patients in 6 hospitals in the National Hospital Organization of Japan during the 36 months after 50% reduction of their daily ICS dose. All patients recorded their morning and evening peak expiratory flows (PEFs) in their diaries...
December 5, 2017: Journal of Allergy and Clinical Immunology in Practice
https://www.readbyqxmd.com/read/29221262/differences-in-airway-remodeling-and-airway-inflammation-among-moderate-severe-asthma-clinical-phenotypes
#2
Wen-Jing Ye, Wei-Guo Xu, Xue-Jun Guo, Feng-Feng Han, Juan Peng, Xiao-Ming Li, Wen-Bin Guan, Li-Wei Yu, Jin-Yuan Sun, Zhi-Lei Cui, Lin Song, Yue Zhang, Yan-Min Wang, Tian-Yun Yang, Xia-Hui Ge, Di Yao, Song Liu
Background: To identify asthma clinical phenotypes using cluster analysis and improve our understanding of heterogeneity in asthma. Methods: Clustering approaches were applied to 203 patients who were diagnosed with asthma in XinHua Hospital (January 2012 to December 2015). One hundred and twenty patients underwent multi-slice spiral computed tomography (MSCT) examination and 30 underwent bronchial mucosal biopsy for evaluation of airway remodeling and airway inflammation among the phenotypes...
September 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/29220595/dose-dependent-effects-of-tadalafil-and-roflumilast-on-ovalbumin-induced-airway-hyperresponsiveness-in-guinea-pigs
#3
Anna Urbanova, Ivana Medvedova, Martin Kertys, Pavol Mikolka, Petra Kosutova, Daniela Mokra, Juraj Mokrý
INTRODUCTION: Chronic obstructive diseases of airways associated with cough and/or airway smooth muscle hyperresponsiveness are usually treated with bronchodilating and anti-inflammatory drugs. Recently, selective phosphodiesterase (PDE) 4 inhibitors have been introduced into the therapy of chronic obstructive pulmonary disease. Several studies have demonstrated their ability to influence the airway reactivity and eosinophilic inflammation by increasing the intracellular cAMP concentrations also in bronchial asthma...
December 8, 2017: Experimental Lung Research
https://www.readbyqxmd.com/read/29211635/association-of-il-13-rs20541-and-rs1295686-variants-with-symptomatic-asthma-in-a-saudi-arabian-population
#4
Rabih Halwani, Alejandro Vazquez-Tello, Rosan Kenana, Maram Al-Otaibi, Khalid A Alhasan, Zahid Shakoor, Saleh Al-Muhsen
OBJECTIVE: Interleukin 13 (IL-13) plays a critical pro-inflammatory role in asthma. Several single nucleotide polymorphisms (SNPs) are associated with asthma susceptibility in specific populations; however, further replicative studies in other ethnic groups are mandatory. METHODS: The association between IL-13 SNPs rs762534, rs20541, rs1295686, and rs1800925 (risk alleles A, A, T, and A, respectively) and asthma predisposition in a Saudi Arabian cohort was examined via a case-control cross-sectional study...
December 6, 2017: Journal of Asthma: Official Journal of the Association for the Care of Asthma
https://www.readbyqxmd.com/read/29211545/efficacy-and-safety-of-benralizumab-for-eosinophilic-asthma-a-systematic-review-and-meta-analysis-of-randomized-controlled-trials
#5
Bao-Ping Tian, Gen-Sheng Zhang, Jian Lou, Hong-Bin Zhou, Wei Cui
CONTEXT: Benralizumab is a humanized monoclonal antibody that targets the α chain of the IL-5 receptor (IL-5Rα) and is currently being assessed in clinical trials for asthma control. OBJECTIVE: Our systematic review and meta-analysis intends to evaluate the therapeutic efficacy and safety of benralizumab in patients with eosinophilic asthma. DATA SOURCES AND EXTRACTION: Literature searches of PubMed, Embase, and the Cochrane Library were performed to identify randomized controlled trials of benralizumab and clinic outcomes in asthmatics...
December 6, 2017: Journal of Asthma: Official Journal of the Association for the Care of Asthma
https://www.readbyqxmd.com/read/29207030/der-f1-induces-pyroptosis-in-human-bronchial-epithelia-via-the-nlrp3-inflammasome
#6
Ying-Ming Tsai, Kuo-Hwa Chiang, Jen-Yu Hung, Wei-An Chang, Hui-Ping Lin, Jiunn-Min Shieh, Inn-Wen Chong, Ya-Ling Hsu
Damage to the bronchial epithelium leads to persistent inflammation and airway remodelling in various respiratory diseases, such as asthma and chronic obstructive pulmonary disease. To date, the mechanisms underlying bronchial epithelial cell damage and death by common allergens remain largely unknown. The aim of the present study was to investigate Der f1, an allergen of Dermatophagoides farinae, which may result in the death of human bronchial epithelial cells (HBECs). Der f1 induces BECs to undergo the inflammatory cell death referred to as pyroptosis, induced by increasing lactate dehydrogenase release and propidium iodide penetration...
December 5, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/29206209/dioscorea-quinqueloba-ameliorates-oxazolone-and-2-4-dinitrochlorobenzene-induced-atopic-dermatitis-symptoms-in-murine-models
#7
Jonghwan Jegal, No-June Park, Sim-Kyu Bong, Hyun Jegal, Su-Nam Kim, Min Hye Yang
Dioscorea quinqueloba has been used for food substances, as well as in herbal medicines for allergic diseases such as asthma. This study aimed to investigate the anti-atopic dermatitis (AD) effects of the total extract of D. quinqueloba rhizomes and active fractionson murine oxazolone- and 2,4-dinitrochlorobenzene-induced models of AD. Specific AD symptoms, such as erythema, ear swelling, and epidermis thickening, were significantly reduced in the oxazolone-mediated AD BALB/c mice upon topical application of D...
December 5, 2017: Nutrients
https://www.readbyqxmd.com/read/29204432/caspase-1-deficiency-reduces-eosinophilia-and-interleukin-33-in-an-asthma-exacerbation-model
#8
Mandy Menzel, Hamid Akbarshahi, Irma Mahmutovic Persson, Manoj Puthia, Leif Bjermer, Lena Uller
Rhinovirus infections are common triggers of asthma exacerbations. Viruses can activate the inflammasome, resulting in processing and activation of caspase-1. This recruitment triggers production of interleukin (IL)-1β and IL-18, which have been implicated in asthma. Elucidating the involvement of the inflammasome and its compartments, such as caspase-1, in asthma exacerbations is warranted. Gene expression of caspase-1 was measured in rhinovirus-infected primary bronchial epithelial cells of asthmatic and healthy donors 24 h post-infection...
October 2017: ERJ Open Research
https://www.readbyqxmd.com/read/29202185/clinical-documentation-variations-and-nlp-system-portability-a-case-study-in-asthma-birth-cohorts-across-institutions
#9
Sunghwan Sohn, Yanshan Wang, Chung-Il Wi, Elizabeth A Krusemark, Euijung Ryu, Mir H Ali, Young J Juhn, Hongfang Liu
Objective: To assess clinical documentation variations across health care institutions using different electronic medical record systems and investigate how they affect natural language processing (NLP) system portability. Materials and Methods: Birth cohorts from Mayo Clinic and Sanford Children's Hospital (SCH) were used in this study (n = 298 for each). Documentation variations regarding asthma between the 2 cohorts were examined in various aspects: (1) overall corpus at the word level (ie, lexical variation), (2) topics and asthma-related concepts (ie, semantic variation), and (3) clinical note types (ie, process variation)...
November 30, 2017: Journal of the American Medical Informatics Association: JAMIA
https://www.readbyqxmd.com/read/29201026/th17-cell-frequency-in-peripheral-blood-is-elevated-in-overweight-children-without-chronic-inflammatory-diseases
#10
Theresa Isabell Schindler, Johanna-Josophina Wagner, Sybelle Goedicke-Fritz, Tobias Rogosch, Verena Coccejus, Verena Laudenbach, Wilfried Nikolaizik, Christoph Härtel, Rolf Felix Maier, Sebastian Kerzel, Michael Zemlin
Background: The prevalence of obesity has dramatically increased in children in the last few decades and is associated with chronic inflammatory diseases. Fat tissue produces IL-6 and TNF-α, which are stimuli for TH17 cell differentiation. These cells are characterized by expression of the transcription factor receptor-related orphan receptor C (RORC) and by IL-17A production. In murine models, obesity has been linked with elevated TH17 cell frequencies. The aim of this study was to explore whether being overweight was associated with an elevated frequency of circulating TH17 cells or elevated messenger RNA (mRNA)-levels of IL-17A and RORC in children without chronic inflammatory diseases...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/29196148/circulating-il-17-producing-mucosal-associated-invariant-t-cells-mait-are-associated-with-symptoms-in-children-with-asthma
#11
Guillaume Lezmi, Rola Abou Taam, Céline Dietrich, Lucienne Chatenoud, Jacques de Blic, Maria Leite-de-Moraes
IL-17 and mucosal-associated invariant T (MAIT) cells have been involved in asthma pathogenesis. However, IL-17-producing MAIT cells (MAIT-17) were not evidenced. We aimed to determine whether circulating MAIT-17 were detectable in children with asthma, and whether they correlated with asthma symptoms or lung function. Children from the SPASM cohort of preschoolers with severe wheeze were reassessed for asthma at school age, and categorized as exacerbators (1 or more severe exacerbations in the previous 12months) or non-exacerbators...
November 28, 2017: Clinical Immunology: the Official Journal of the Clinical Immunology Society
https://www.readbyqxmd.com/read/29183288/arginase-1-deletion-in-myeloid-cells-affects-the-inflammatory-response-in-allergic-asthma-but-not-lung-mechanics-in-female-mice
#12
Roy H E Cloots, Selvakumari Sankaranarayanan, Matthew E Poynter, Els Terwindt, Paul van Dijk, Wouter H Lamers, S Eleonore Köhler
BACKGROUND: (Over-)expression of arginase may limit local availability of arginine for nitric oxide synthesis. We investigated the significance of arginase1 (ARG1) for the development of airway hyperresponsiveness (AHR) and lung inflammation in female mice with ovalbumin (OVA)-induced allergic asthma. METHODS: Arg1 was ablated in the lung by crossing Arg1 fl/fl and Tie2Cre tg/- mice. OVA sensitization and challenge were conducted, and AHR to methacholine was determined using the Flexivent system...
November 28, 2017: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/29169411/-lung-injury-in-ovalbumin-challenged-asthma-mice-induced-by-high-dose-pm2-5-and-its-mechanism
#13
Jiali Xu, Ying Wang, Peng Chen
Objective To investigate the degree of lung injury induced by different doses of particulate matter with diameters ≤2.5 microm (PM2.5) in asthmatic mice. Methods Male BALB/c mice were randomly divided into normal control group, ovalbumin (OVA) asthma group, 1, 5, 15 mg/mL PM2.5 treated OVA asthma group. The bronchoalveolar lavage fluid (BALF) was collected and the number of white blood cells was observed by Gimsa staining. ELISA was used to determine the concentrations of serum cytokines interferon γ (IFN-γ), interleukin 17 (IL-17) and IL-10 in the peripheral blood of mice...
October 2017: Xi Bao Yu Fen Zi Mian Yi Xue za Zhi, Chinese Journal of Cellular and Molecular Immunology
https://www.readbyqxmd.com/read/29167232/identification-of-ifn-%C3%AE-and-il-27-as-critical-regulators-of-respiratory-syncytial-virus-induced-exacerbation-of-allergic-airways-disease-in-a-mouse-model
#14
Thi Hiep Nguyen, Steven Maltby, Hock L Tay, Fiona Eyers, Paul S Foster, Ming Yang
Respiratory syncytial virus (RSV) infection induces asthma exacerbations, which leads to worsening of clinical symptoms and may result in a sustained decline in lung function. Exacerbations are the main cause of morbidity and mortality associated with asthma, and significantly contribute to asthma-associated healthcare costs. Although glucocorticoids are used to manage exacerbations, some patients respond to them poorly. The underlying mechanisms associated with steroid-resistant exacerbations remain largely unknown...
November 22, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/29160801/the-protective-effects-of-astaxanthin-on-the-ova-induced-asthma-mice-model
#15
Yun-Ho Hwang, Seong-Gyeol Hong, Seul-Ki Mun, Su-Jin Kim, Sung-Ju Lee, Jong-Jin Kim, Kyung-Yun Kang, Sung-Tae Yee
Although astaxanthin has a variety of biological activities such as anti-oxidant effects, inhibitory effects on skin deterioration and anti-inflammatory effects, its effect on asthma has not been studied. In this paper, the inhibitory effect of astaxanthin on airway inflammation in a mouse model of ovalbumin (OVA)-induced asthma was investigated. We evaluated the number of total cells, Th1/2 mediated inflammatory cytokines in bronchoalveolar lavage fluid (BALF) and airway hyperresponsiveness as well as histological structure...
November 21, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/29159257/development-and-analytical-performance-of-a-new-architect-automated-dipeptidyl-peptidase-4-immunoassay
#16
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: Practical Laboratory Medicine
https://www.readbyqxmd.com/read/29158154/tiotropium-inhibits-mucin-production-stimulated-by-neutrophil-elastase-but-not-by-il-13
#17
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
#18
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/29138487/associations-between-th17-related-inflammatory-cytokines-and-asthma-in-adults-a-case-control-study
#19
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/29137646/the-potential-of-interleukin-37-as-an-effective-therapeutic-agent-in-asthma
#20
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
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