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https://www.readbyqxmd.com/read/29773606/optimising-experimental-research-in-respiratory-diseases-an-ers-statement
#1
Philippe Bonniaud, Aurélie Fabre, Nelly Frossard, Christophe Guignabert, Mark Inman, Wolfgang M Kuebler, Tania Maes, Wei Shi, Martin Stampfli, Stefan Uhlig, Eric White, Martin Witzenrath, Pierre-Simon Bellaye, Bruno Crestani, Oliver Eickelberg, Heinz Fehrenbach, Andreas Guenther, Gisli Jenkins, Guy Joos, Antoine Magnan, Bernard Maitre, Ulrich A Maus, Petra Reinhold, Juanita H J Vernooy, Luca Richeldi, Martin Kolb
Experimental models are critical for the understanding of lung health and disease and are indispensable for drug development. However, the pathogenetic and clinical relevance of the models is often unclear. Further, the use of animals in biomedical research is controversial from an ethical perspective.The objective of this task force was to issue a statement with research recommendations about lung disease models by facilitating in-depth discussions between respiratory scientists, and to provide an overview of the literature on the available models...
May 2018: European Respiratory Journal: Official Journal of the European Society for Clinical Respiratory Physiology
https://www.readbyqxmd.com/read/29772098/insights-in-particulate-matter-induced-allergic-airway-inflammation-focus-on-the-epithelium
#2
Katrien C De Grove, Sharen Provoost, Guy G Brusselle, Guy F Joos, Tania Maes
Outdoor air pollution is a major environmental health problem throughout the world. In particular, exposure to particulate matter (PM) has been associated with the development and exacerbation of several respiratory diseases, including asthma. Although the adverse health effects of PM have been demonstrated for many years, the underlying mechanisms have not been fully identified. In this review, we focus on the role of the lung epithelium and specifically highlight multiple cytokines in PM-induced respiratory responses...
May 17, 2018: Clinical and Experimental Allergy: Journal of the British Society for Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/29765562/a-myriad-of-roles-of-mir-25-in-health-and-disease
#3
REVIEW
Márta Sárközy, Zsuzsanna Kahán, Tamás Csont
Small non-coding RNAs including microRNAs (miRNAs) have been recently recognized as important regulators of gene expression. MicroRNAs play myriads of roles in physiological processes as well as in the pathogenesis of a number of diseases by translational repression or mRNA destabilization of numerous target genes. The miR-106b-25 cluster is highly conserved in vertebrates and consists of three members including miR-106b, miR-93 and miR-25. MiR-106b and miR-93 share the same seed sequences; however, miR-25 has only a similar seed sequence resulting in different predicted target mRNAs...
April 20, 2018: Oncotarget
https://www.readbyqxmd.com/read/29764909/ohio-pediatric-asthma-repository-opportunities-to-revise-care-practices-to-decrease-time-to-physiologic-readiness-for-discharge
#4
Jeffrey M Simmons, Jocelyn M Biagini Myers, Lisa J Martin, Carolyn M Kercsmar, Christine L Schuler, Valentina V Pilipenko, John W Kroner, Hua He, Stephen R Austin, Huyen-Tran Nguyen, Kristie R Ross, Karen S McCoy, Sherman J Alter, Samantha M Gunkelman, Pierre A Vauthy, Gurjit K Khurana Hershey
BACKGROUND: Large-scale, multisite studies in which researchers evaluate patient- and systems-level factors associated with pediatric asthma exacerbation outcomes are lacking. We sought to investigate patient-level risks and system-level practices related to physiologic readiness for discharge (PRD) in the prospective Ohio Pediatric Asthma Repository. METHODS: Participants were children ages 2 to 17 years admitted to an Ohio Pediatric Asthma Repository hospital for asthma exacerbation...
May 15, 2018: Hospital Pediatrics
https://www.readbyqxmd.com/read/29758106/sputum-to-serum-hydrogen-sulfide-ratio-as-a-novel-biomarker-of-predicting-future-risks-of-asthma-exacerbation
#5
Yasuhito Suzuki, Junpei Saito, Masami Kikuchi, Manabu Uematsu, Atsuro Fukuhara, Suguru Sato, Mitsuru Munakata
BACKGROUND: Increased level of hydrogen sulfide (H2 S) in sputum is reported to be a new biomarker of neutrophilic airway inflammation in chronic airway disorders. However, the relationship between H2 S and disease activity remains unclear. OBJECTIVE: We investigated whether H2 S levels could vary during different conditions in asthma. METHOD: H2 S levels in sputum and serum were measured using a sulfide-sensitive electrode in 47 stable asthmatic subjects (S-BA), 21 uncontrolled asthmatic subjects (UC-BA), 26 asthmatic subjects with acute exacerbation (AE-BA), and 15 healthy subjects...
May 14, 2018: Clinical and Experimental Allergy: Journal of the British Society for Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/29756701/prevalence-of-mycoplasma-pneumoniae-infection-in-pediatric-patients-with-acute-asthma-exacerbation
#6
Elías Kassisse, Hecmary García, Linair Prada, Ixora Salazar, Jorge Kassisse
INTRODUCTION: Mycoplasma pneumoniae may be involved in refractory asthma exacerbation. OBJECTIVE: To determine the prevalence of Mycoplasma pneumoniae infection in patients with acute asthma exacerbation. Material and method. A prospective, crosssectional, observational, case-control study was carried out in patients older than 2 years old and younger than 12. Immunoglobulin M (IgM) antibodies were serologically determined for M. pneumoniae, using the NovaLisa® NovaTec kit for enzyme-linked immunosorbent assay (ELISA)...
June 1, 2018: Archivos Argentinos de Pediatría
https://www.readbyqxmd.com/read/29755346/a-multicenter-randomized-double-blind-placebo-controlled-study-of-the-effects-of-loki-zupa-in-patients-with-chronic-asthma
#7
Yubao Lv, Ying Wei, Muhammadjan Abduwaki, Tohti Jurat, Fengsen Li, Huaizhen Wang, Yuhua Wu, Zheng Li, Bo Liu, Hongjun Yin, Yuxue Cao, Mammat Nurahmat, Zihui Tang, Jingcheng Dong
The purpose of this study was to evaluate the efficacy and safety of Uyghur medical formula Loki zupa in patients with chronic asthma. Adult patients with chronic asthma randomly received placebo or Loki zupa as add-on to inhaled corticosteroids (ICS) maintenance treatment. Loki zupa or mimics was administered orally 10 ml per time, three times a day for 8 weeks. The primary endpoints were asthma control test (ACT) score and peak expiratory flow (PEF). The secondary endpoints were acute exacerbation rate, lung function, night waking days, and symptom-free days in the near 2 weeks, Asthma Quality of Life Questionnaire (AQLQ) score and some inflammatory cytokines in peripheral blood...
2018: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/29742646/burden-of-human-metapneumovirus-and-respiratory-syncytial-virus-infections-in-asthmatic-children
#8
Takashi Furuta, Shunji Hasegawa, Makoto Mizutani, Takashi Iwai, Noriko Ohbuchi, Shoji Kawano, Norimichi Tashiro, Masashi Uchida, Masanari Hasegawa, Masashi Motoyama, Takaomi Sekino, Kenji Nakatsuka, Kiyoshi Ichihara, Komei Shirabe, Shouichi Ohga
BACKGROUND: Human metapneumovirus (hMPV) and respiratory syncytial virus (RSV) are the leading causes of acute respiratory illness in children. Clinical burden of each infection on the respiratory distress in asthmatic patients remains unclear. The purpose of the study is to clarify the effect of these infections on the severity of asthmatic children in the seasonal outbreaks. METHODS: A total of 1,217 pediatric inpatients with hMPV (n=114) or RSV (n=1,103) infection in Yamaguchi prefecture, Japan between 2011 and 2014 were enrolled...
May 4, 2018: Pediatric Infectious Disease Journal
https://www.readbyqxmd.com/read/29741897/novel-pyrrolidine-derivatives-of-budesonide-as-long-acting-inhaled-corticosteroids-for-the-treatment-of-pulmonary-inflammatory-diseases
#9
Eleonora Ghidini, Gessica Marchini, Anna Maria Capelli, Chiara Carnini, Valentina Cenacchi, Alessandro Fioni, Fabrizio Facchinetti, Fabio Rancati
Inhaled corticosteroids (ICS) represent the first line therapy for the treatment of asthma and are also extensively utilized in chronic obstructive pulmonary disease. Our goal was to develop a new ICS with a basic group which can allow solid state feature modulation, achieving at the same time high local antiinflammatory effect and low systemic exposure. Through a rational drug design approach a new series of a pyrrolidine derivatives of budesonide was identified. Within the series, several compounds showed nanomolar binding affinity (Ki) with GR that mostly correlated with the effect in inducing GR nuclear translocation in CHO cells and anti-inflammatory effects in macrophagic cell lines...
May 9, 2018: Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/29738108/causes-of-shortness-of-breath-in-the-acute-patient-a-national-study
#10
Zachariah E Hale, Astha Singhal, Renee Y Hsia
BACKGROUND: Dyspnea is a common and ambiguous complaint that results in 3.4 million emergency department visits annually. While learners may encounter lists of differential diagnoses to consider while in training, often these lists are not empirically based. We sought to establish an evidence-based differential diagnosis for dyspnea and to determine whether normal vital signs can rule out a life-threatening diagnosis. METHODS: We analyzed data from the National Hospital Ambulatory Medical Care Survey from 2005-2014 for emergency department visits with a chief complaint of dyspnea and tallied the principal discharge diagnosis...
May 8, 2018: Academic Emergency Medicine: Official Journal of the Society for Academic Emergency Medicine
https://www.readbyqxmd.com/read/29737865/next-generation-sequencing-for-mirna-profile-of-spleen-cd4-t-cells-in-the-murine-model-of-acute-asthma
#11
Ye Liu, Zhongqi Chen, Kun Xu, Zhengxia Wang, Chaojie Wu, Zhixiao Sun, Ningfei Ji, Mao Huang, Mingshun Zhang
AIM: To explore the miRNAs profile of CD4+ T lymphocytes in asthma via next generation sequencing. METHODS: In the murine model of acute asthma, spleen CD4+ T lymphocytes were sorted, in which small RNAs were extracted and sequenced. Novel miRNAs were measured with real time quantitative reverse transcription polymerase chain reaction (qRT-PCR). RESULTS: A total of 127 miRNAs were found to exhibit at least twofold change. In the 262 predicted novel miRNAs, 14 novel miRNAs were measured in qRT-PCR in the sorted CD4+ T cells or in the differentiated Th1/Th2 cells and novel miR-11 (xxx-m0228-3p) was significantly decreased in the sorted CD4+ T cells from the murine model of asthma and in the Th2 cells...
May 8, 2018: Epigenomics
https://www.readbyqxmd.com/read/29733679/infant-viral-respiratory-infection-nasal-immune-response-patterns-and-their-association-with-subsequent-childhood-recurrent-wheeze
#12
Kedir N Turi, Jyoti Shankar, Larry J Anderson, Devi Rajan, Kelsey Gaston, Tebeb Gebretsadik, Suman R Das, Cosby Stone, Emma K Larkin, Christian Rosas-Salazar, Steven M Brunwasser, Martin L Moore, R Stokes Peebles, Tina V Hartert
RATIONALE: Recurrent wheeze and asthma are thought to result from alterations in early life immune development following RSV infection, however, prior studies of the nasal immune-response to infection have assessed only individual cytokines, which doesn't capture the whole spectrum of response to infection. OBJECTIVE: To identify nasal immune phenotypes in response to RSV infection and their association with recurrent wheeze. METHODS: A birth cohort of term healthy infants born June-December were recruited and followed to capture the first infant RSV infection...
May 7, 2018: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/29731926/practical-approach-to-lung-health-experience-from-the-republic-of-macedonia
#13
Biljana Ilievska-Poposka, Maja Zakoska, Stefan Talevski
BACKGROUND: Among the adults and children aged 5 yrs who attend PHC settings, 20-30% seeks to care for respiratory symptoms. Over 80-90% of the respiratory patients suffer from acute respiratory infections (ARI), followed by chronic obstructive pulmonary diseases (COPD), asthma, and less frequently with pneumonia and tuberculosis (TB). To improve the quality of care in patients who seek assistance for respiratory symptoms in PHC settings and the efficiency of respiratory service delivery within healthcare systems, WHO has designated several initiatives among which one is PAL (Practical Approach to Lung Health)...
April 15, 2018: Open Access Macedonian Journal of Medical Sciences
https://www.readbyqxmd.com/read/29730088/aspiration-pneumonia-and-related-syndromes
#14
REVIEW
Augustine S Lee, Jay H Ryu
Aspiration is a syndrome with variable respiratory manifestations that span acute, life-threatening illnesses, such as acute respiratory distress syndrome, to chronic, sometimes insidious, respiratory disorders such as aspiration bronchiolitis. Diagnostic testing is limited by the insensitivity of histologic testing, and although gastric biomarkers for aspiration are increasingly available, none have been clinically validated. The leading mechanism for microaspiration is thought to be gastroesophageal reflux disease, largely driven by the increased prevalence of gastroesophageal reflux across a variety of respiratory disorders, including chronic obstructive pulmonary disease, asthma, idiopathic pulmonary fibrosis, and chronic cough...
May 2, 2018: Mayo Clinic Proceedings
https://www.readbyqxmd.com/read/29729200/reduction-in-polyamine-catabolism-leads-to-spermine-mediated-airway-epithelial-injury-and-induces-asthma-features
#15
Vaibhav Jain, Shikha Raina, Atish Prabhakar Gheware, Rita Singh, Rakhshinda Rehman, Vinny Negi, Tracy Murray Stewart, Ulaganathan Mabalirajan, Adarsh Kumar Mishra, Robert A Casero, Anurag Agrawal, Balaram Ghosh
BACKGROUND: Airway epithelial injury is a crucial component of acute and severe asthma pathogenesis and a promising target for treatment of refractory asthma. However, the underlying mechanism of epithelial injury remains poorly explored. Though high levels of polyamines, mainly spermine, have been found in asthma and co-morbidity, their role in airway epithelial injury and the cause of their altered levels in asthma has not been explored. METHODS: We measured key polyamine metabolic enzymes in lung samples from normal and asthmatic subjects and in mice with OVA-induced allergic airway inflammation (AAI)...
May 5, 2018: Allergy
https://www.readbyqxmd.com/read/29727735/therapeutic-potential-of-wild-medicinal-plant-zizyphus-mauritiana-against-silica-induced-toxicity-in-wistar-albino-rats
#16
Rudra Prasad Dutta, M B Patil
ETHNOPHARMACOLOGICAL RELEVANCE: Zizyphus mauritiana (L.) of the family Rhamnaceae is a traditional herbal medicinal plant and commonly called as 'ber' (Indian jujube). It is traditionally used as food source and treats various diseases like malaria, asthma, pain killer, diarrhoea, typhoid, diabetes, and skin diseases, etc. AIM OF THE STUDY: This study aimed to evaluate the ability of extracts of barks of root and stem of Zizyphus mauritiana (ZM) to cure silica induced toxicity in Wistar albino rats...
May 1, 2018: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/29724395/asthma-control-in-adults-in-the-middle-east-and-north-africa-results-from-the-esmaa-study
#17
Hesham Tarraf, Hamdan Al-Jahdali, Abdul Hameed Al Qaseer, Anamarija Gjurovic, Houria Haouichat, Basheer Khassawneh, Bassam Mahboub, Roozbeh Naghshin, François Montestruc, Naser Behbehani
BACKGROUND: Low levels of asthma control are reported in many countries worldwide. Improved knowledge of asthma control in the Middle East and Africa and predictive factors is needed to address this major public healthcare burden. OBJECTIVE: To assess the level of asthma control in patients attending a routine consultation for asthma in the Middle East and North Africa, and the relationship between level of control and patient and disease characteristics, adherence, and quality of life (QoL)...
May 2018: Respiratory Medicine
https://www.readbyqxmd.com/read/29724254/radical-containing-combustion-derived-particulate-matter-enhance-pulmonary-th17-inflammation-via-the-aryl-hydrocarbon-receptor
#18
Sridhar Jaligama, Vivek S Patel, Pingli Wang, Asmaa Sallam, Jeffrey Harding, Matthew Kelley, Skylar R Mancuso, Tammy R Dugas, Stephania A Cormier
BACKGROUND: Pollutant particles containing environmentally persistent free radicals (EPFRs) are formed during many combustion processes (e.g. thermal remediation of hazardous wastes, diesel/gasoline combustion, wood smoke, cigarette smoke, etc.). Our previous studies demonstrated that acute exposure to EPFRs results in dendritic cell maturation and Th17-biased pulmonary immune responses. Further, in a mouse model of asthma, these responses were enhanced suggesting exposure to EPFRs as a risk factor for the development and/or exacerbation of asthma...
May 3, 2018: Particle and Fibre Toxicology
https://www.readbyqxmd.com/read/29723596/combination-of-urea-crosslinked-hyaluronic-acid-and-sodium-ascorbyl-phosphate-for-the-treatment-of-inflammatory-lung-diseases-an-in-vitro-study
#19
Arianna Fallacara, Laura Busato, Michele Pozzoli, Maliheh Ghadiri, Hui Xin Ong, Paul M Young, Stefano Manfredini, Daniela Traini
This in vitro study evaluated, for the first time, the safety and the biological activity of a novel urea-crosslinked hyaluronic acid component and sodium ascorbyl phosphate (HA-CL - SAP), singularly and/or in combination, intended for the treatment of inflammatory lung diseases. The aim was to understand if the combination HA-CL - SAP had an enhanced activity with respect to the combination native hyaluronic acid (HA) - SAP and the single SAP, HA and HA-CL components. Sample solutions displayed pH, osmolality and viscosity values suitable for lung delivery, and showed to be not toxic on epithelial Calu-3 cells at the concentration used in this study...
April 30, 2018: European Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/29719412/acute-effects-of-smoke-exposure-on-airway-and-systemic-inflammation-in-forest-firefighters
#20
Niki Gianniou, Charilena Giannakopoulou, Efrossini Dima, Matina Kardara, Paraskevi Katsaounou, Alexandros Tsakatikas, Charis Roussos, Nikolaos Koulouris, Nikoletta Rovina
Introduction: The aim of this study was to assess respiratory health and airway and systemic inflammation in professional forest firefighters post firefighting. Methods: A total of 60 firefighters who participated in forest firefighting operations in Greece during 2008 were included in the study. A questionnaire consisting of symptoms and exposure, pulmonary function, atopy, bronchial hyperresponsiveness, and markers of inflammation in induced sputum, serum, and bronchoalveolar lavage (BAL) fluid was assessed...
2018: Journal of Asthma and Allergy
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