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Biomarker of asthma

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https://www.readbyqxmd.com/read/28110335/personalised-medicine-for-asthma-and-chronic-obstructive-pulmonary-disease
#1
Liam G Heaney, Lorcan P A McGarvey
Asthma and chronic obstructive pulmonary disease (COPD) are prevalent conditions, and despite recent advances and multiple available therapies and interventions, there remains a significant unmet clinical need. In recent years, it has become clear that there is both significant heterogeneity within each of these conditions and additionally significant overlap in many of the clinical and inflammatory features. In parallel, useful clinical and immunological biomarkers which inform about prognosis and response to therapy have emerged in both asthma and COPD...
January 21, 2017: Respiration; International Review of Thoracic Diseases
https://www.readbyqxmd.com/read/28109725/6q12-and-11p14-variants-are-associated-with-postnatal-exhaled-nitric-oxide-and-respiratory-symptoms
#2
Oliver Fuchs, Olga Gorlanova, Philipp Latzin, Anne Schmidt, Maximilian Schieck, Antoaneta A Toncheva, Sven Michel, Vincent D Gaertner, Michael Kabesch, Urs Frey
BACKGROUND: Exhaled nitric oxide (eNO) is a biomarker of airway inflammation and seems to precede respiratory symptoms, such as asthma in childhood. Identifying genetic determinants of postnatal eNO may aid in unraveling the role of eNO in epithelial function or airway inflammation and disease. OBJECTIVE: To identify genetic determinants of early postnatal eNO and subsequent respiratory symptoms during the first year of life. METHODS: Within a population-based birth cohort, eNO was measured in healthy term infants aged 5 weeks during quiet tidal breathing in unsedated sleep...
January 18, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28108336/ccsp-serum-level-is-a-surrogate-marker-of-small-airway-involvment-in-asthma
#3
Sebastien Bommart, Grégory Marin, Nicolas Molinari, Lucie Knabe, Aurélie Petit, Pascal Chanez, Anne Sophie Gamez, Catherine Devautour, Isabelle Vachier, Arnaud Bourdin
Serum CCSP level was independently related to small airway hyperresponsiveness, measured by the slope of air-trapping progression measured using CT. In asthmatic patients, this blood biomarker may identify small airways involvement.
January 17, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28106744/oligonucleotide-therapy-for-obstructive-and-restrictive-respiratory-diseases
#4
REVIEW
Wupeng Liao, Jinrui Dong, Hong Yong Peh, Lay Hong Tan, Kah Suan Lim, Li Li, Wai-Shiu Fred Wong
Inhaled oligonucleotide is an emerging therapeutic modality for various common respiratory diseases, including obstructive airway diseases like asthma and chronic obstructive pulmonary disease (COPD) and restrictive airway diseases like idiopathic pulmonary fibrosis (IPF). The advantage of direct accessibility for oligonucleotide molecules to the lung target sites, bypassing systemic administration, makes this therapeutic approach promising with minimized potential systemic side effects. Asthma, COPD, and IPF are common chronic respiratory diseases, characterized by persistent airway inflammation and dysregulated tissue repair and remodeling, although each individual disease has its unique etiology...
January 17, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28102831/biomarkers-in-adult-asthma-a-systematic-review-of-8-isoprostane-in-exhaled-breath-condensate
#5
Adam M Peel, Christina-Jane Crossman-Barnes, Jonathan Tang, Stephen Fowler, Gwyneth Davies, Andrew Wilson, Yoon Loke
OBJECTIVES: We aimed to assess the evidence for the use of 8-isoprostane in exhaled breath condensate (EBC) as a biomarker in adult asthma. DESIGN: A systematic review and meta-analysis of EBC 8-isoprostane. METHODS: We searched a number of online databases (including PubMed, Embase and Scopus) in January 2016. We included studies of adult non-smokers with EBC collection and asthma diagnosis conducted according to recognised guidelines. We aimed to pool data using random effects meta-analysis and assess heterogeneity using I2...
January 19, 2017: Journal of Breath Research
https://www.readbyqxmd.com/read/28102057/periostin-in-exhaled-breath-condensate-and-in-serum-of-asthmatic-patients-relationship-to-upper-and-lower-airway-disease
#6
Aleksandra Wardzyńska, Joanna S Makowska, Małgorzata Pawełczyk, Aleksandra Piechota-Polańczyk, Marcin Kurowski, Marek L Kowalski
PURPOSE: Periostin is considered a biomarker for eosinophilic airway inflammation and have been associated with NSAID-Exacerbated Respiratory Disease (NERD) and chronic rhinosinusitis (CRS). In this study, we aimed to evaluate periostin in exhaled breath condensate (EBC) and in serum of patients with various asthma phenotypes. METHODS: The study included 40 asthmatic patients (22 with NERD) and 17 healthy controls. All the procedures (questionnaire, spirometry, FeNO, nasal swabs, EBC collecting, and blood sampling) were performed on the same day...
March 2017: Allergy, Asthma & Immunology Research
https://www.readbyqxmd.com/read/28099107/case-238-spontaneous-pneumothorax-secondary-to-intrapulmonary-necrobiotic-rheumatoid-nodule
#7
Ammar A Chaudhry, Maryam Gul, Abbas A Chaudhry, William Moore
History A 54-year-old white woman with a history of rheumatoid arthritis who was taking glucocorticoids and methotrexate presented to the emergency department in December with worsening shortness of breath and chest heaviness for 1 week. She reported additional symptoms of weakness, headache, and arthralgia primarily involving her bilateral hands, wrist, ankles, and feet. She denied experiencing fevers, syncope or presyncope, focal neurologic deficits, chest pain, nausea, vomiting, unintentional weight loss, or recent trauma...
February 2017: Radiology
https://www.readbyqxmd.com/read/28097001/mag-dpa-curbs-inflammatory-biomarkers-and-pharmacological-reactivity-in-cytokine-triggered-hyperresponsive-airway-models
#8
Rayan Khaddaj-Mallat, Roddy Hiram, Chantal Sirois, Marco Sirois, Edmond Rizcallah, Sofia Marouan, Caroline Morin, Éric Rousseau
Bronchial inflammation contributes to a sustained elevation of airway hyperresponsiveness (AHR) in asthma. Conversely, omega-3 fatty acid derivatives have been shown to resolve inflammation in various tissues. Thus, the effects of docosapentaenoic acid monoacylglyceride (MAG-DPA) were assessed on inflammatory markers and reactivity of human distal bronchi as well as in a cultured model of guinea pig tracheal rings. Human bronchi were dissected and cultured for 48 h with 10 ng/mL TNF-α or IL-13. Guinea pig tracheas were maintained in organ culture for 72 h which was previously shown to trigger spontaneous AHR...
December 2016: Pharmacology Research & Perspectives
https://www.readbyqxmd.com/read/28093815/nigella-sativa-supplementation-improves-asthma-control-and-biomarkers-a-randomized-double-blind-placebo-controlled-trial
#9
Abdulrahman Koshak, Li Wei, Emad Koshak, Siraj Wali, Omer Alamoudi, Abdulrahman Demerdash, Majdy Qutub, Peter Natesan Pushparaj, Michael Heinrich
Poor compliance with conventional asthma medications remains a major problem in achieving asthma control. Nigella sativa oil (NSO) is used traditionally for many inflammatory conditions such as asthma. We aimed to investigate the benefits of NSO supplementation on clinical and inflammatory parameters of asthma. NSO capsules 500 mg twice daily for 4 weeks were used as a supplementary treatment in a randomized, double-blind, placebo-controlled trial in asthmatics (clinicaltrials.gov: NCT02407262). The primary outcome was Asthma Control Test score...
January 17, 2017: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/28093216/longitudinal-variation-of-serum-periostin-in-adults-with-stable-asthma
#10
Ruth Semprini, Rachel Caswell-Smith, James Fingleton, Cecile Holweg, John Matthews, Mark Weatherall, Richard Beasley, Irene Braithwaite
We have shown that serum periostin levels are stable within an individual with well-controlled asthma and have little seasonal variation. These are desirable characteristics if serum periostin is to be used as a biomarker in asthma.
January 13, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28090286/novel-methods-in-pulmonary-hypertension-phenotyping-in-the-age-of-precision-medicine-2015-grover-conference-series
#11
REVIEW
Jarrod W Barnes, Adriano R Tonelli, Gustavo A Heresi, Jennie E Newman, Noël E Mellor, David E Grove, Raed A Dweik
Among pulmonary vascular diseases, pulmonary hypertension (PH) is the best studied and has been the focus of our work. The current classification of PH is based on a relatively simple combination of patient characteristics and hemodynamics. This leads to inherent limitations, including the inability to customize treatment and the lack of clarity from a more granular identification based on individual patient phenotypes. Accurate phenotyping of PH can be used in the clinic to select therapies and determine prognosis and in research to increase the homogeneity of study cohorts...
December 2016: Pulmonary Circulation
https://www.readbyqxmd.com/read/28089872/identification-of-airway-mucosal-type-2-inflammation-by-clinical-biomarkers-in-asthma
#12
Philip E Silkoff, Michel Laviolette, Dave Singh, J Mark FitzGerald, Steven Kelsen, Vibeke Backer, Celeste M Porsbjerg, Pierre-Olivier Girodet, Patrick Berger, Joel N Kline, Geoffrey Chupp, Vedrana S Susulic, Elliot S Barnathan, Frédéric Baribaud, Matthew J Loza
BACKGROUND AND OBJECTIVE: The Airways Disease Endotyping for Personalized Therapeutics (ADEPT) study profiled mild, moderate and severe asthma, and non-atopic healthy controls. We explored this dataset to define Type-2 inflammation based on airway-mucosal IL-13-driven gene expression and how this related to clinically-accessible biomarkers. METHODS: IL-13-driven gene expression was evaluated in several human cell lines. We then defined Type-2 status in 25 healthy subjects, 28 mild, 29 moderate, and 26 severe asthmatics, based on airway-mucosal expression of 1) CC-motif chemokine ligand (CCL)-26, (the most differentially expressed gene), 2) periostin, or 3) a multi-gene IL-13 in-vitro signature (IVS)...
January 12, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28075383/soluble-fibre-meal-challenge-reduces-airway-inflammation-and-expression-of-gpr43-and-gpr41-in-asthma
#13
Isabel Halnes, Katherine J Baines, Bronwyn S Berthon, Lesley K MacDonald-Wicks, Peter G Gibson, Lisa G Wood
Short chain fatty acids (SCFAs) are produced following the fermentation of soluble fibre by gut bacteria. In animal models, both dietary fibre and SCFAs have demonstrated anti-inflammatory effects via the activation of free fatty acid receptors, such as G protein-coupled receptor 41 and 43 (GPR41 and GPR43). This pilot study examined the acute effect of a single dose of soluble fibre on airway inflammation-including changes in gene expression of free fatty acid receptors-in asthma. Adults with stable asthma consumed a soluble fibre meal (n = 17) containing 3...
January 10, 2017: Nutrients
https://www.readbyqxmd.com/read/28073664/extract-of-bulbus-fritillaria-cirrhosa-perturbs-spindle-assembly-checkpoint-induces-mitotic-aberrations-and-genomic-instability-in-human-colon-epithelial-cell-line
#14
Xihan Guo, Juan Ni, Jinglun Xue, Xu Wang
BACKGROUND: Bulbus Fritillaria cirrhosa D. Don (BFC) has been used in China as a folk medicine for the treatment of cough and asthma for more than 2000 years. The antitussive and antiasthmatic effects of BFC have been reported before, nevertheless its toxicity and safety have not been documented. This study investigated the possible effects of BFC on spindle assembly checkpoint (SAC), mitotic fidelity and genomic stability in human NCM460 colon epithelial cells. METHODS: Cells were treated with BFC (0, 20, 40, 80 and 160μg/ml) for 24, 48 and 72h and harvested differently according to the biomarkers observed...
January 7, 2017: Experimental and Toxicologic Pathology: Official Journal of the Gesellschaft Für Toxikologische Pathologie
https://www.readbyqxmd.com/read/28065276/using-imaging-as-a-biomarker-for-asthma
#15
REVIEW
Abhaya Trivedi, Chase Hall, Eric A Hoffman, Jason C Woods, David S Gierada, Mario Castro
There have been significant advancements in the various imaging techniques being used for the evaluation of asthmatic patients, both from a clinical and research perspective. Imaging characteristics can be used to identify specific asthmatic phenotypes and provide a more detailed understanding of endotypes contributing to the pathophysiology of the disease. Computed tomography, magnetic resonance imaging, and positron emission tomography can be used to assess pulmonary structure and function. It has been shown that specific airway and lung density measurements using computed tomography correlate with clinical parameters, including severity of disease and pathology, but also provide unique phenotypes...
January 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28063900/smoker-extracellular-vesicles-influence-status-of-human-bronchial-epithelial-cells
#16
Amélie Héliot, Yann Landkocz, Françoise Roy Saint-Georges, Pierre Gosset, Sylvain Billet, Pirouz Shirali, Dominique Courcot, Perrine J Martin
Cigarette smoking is a habit that has spread all over the world and is a significant risk factor for many diseases including cardiovascular disease, chronic obstructive pulmonary disease (COPD), asthma and lung cancer. Evaluation and understanding of tobacco health effects are of major interest worldwide and answer to important societal concerns. Identification of new biomarkers of exposure to tobacco smoke potentially implicated in COPD or lung carcinogenesis would allow a better observation of tobacco exposed population, thanks to screening establishment at reversible stages of pathological processes...
December 30, 2016: International Journal of Hygiene and Environmental Health
https://www.readbyqxmd.com/read/28056587/effects-of-components-of-pm2-5-collected-in-japan-on-the-respiratory-and-immune-systems
#17
Akiko Honda, Wataru Fukushima, Mizuki Oishi, Kenshi Tsuji, Takahiro Sawahara, Tomohiro Hayashi, Hitomi Kudo, Yuji Kashima, Katsuyuki Takahashi, Hideki Sasaki, Kayo Ueda, Hirohisa Takano
Epidemiologic studies have reported that particulate matter with aerodynamic diameters ≤2.5 μm (PM2.5) affect respiratory diseases, including asthma. The components and/or factors of PM2.5 that contribute to the exacerbation of asthma have not been identified. We investigated the effects of extracts of PM2.5 collected in Japan on the respiratory and immune systems. PM2.5 was collected from an industrial area and an urban area in December 2013. Airway epithelial cells and immune cells were exposed to aqueous or organic extracts of PM2...
January 1, 2017: International Journal of Toxicology
https://www.readbyqxmd.com/read/28055270/takotsubo-cardiomyopathy-a-known-unknown-foe-of-asthma
#18
Ourania S Kotsiou, Alexandros Douras, Demosthenes Makris, Nikoleta Mpaka, Konstantinos I Gourgoulianis
INTRODUCTION: Patients with uncontrolled asthma are at a greater risk of asthma attacks requiring emergency room visits or hospital admissions. Takotsubo cardiomyopathy is potentially a significant complication in a course of status asthmaticus. CASE STUDY: We present a 43-year-old female patient who presented with status asthmaticus further complicated with takotsubo cardiomyopathy. RESULTS: Recognizing apical ballooning syndrome is challenging in patients with a history of respiratory disease because the symptoms of the last entity may complicate the diagnostic approach...
January 5, 2017: Journal of Asthma: Official Journal of the Association for the Care of Asthma
https://www.readbyqxmd.com/read/28054016/data-set-on-a-study-of-gene-expression-in-peripheral-samples-to-identify-biomarkers-of-severity-of-allergic-and-nonallergic-asthma
#19
Selene Baos, David Calzada, Lucía Cremades, Joaquín Sastre, Joaquín Quiralte, Fernando Florido, Carlos Lahoz, Blanca Cárdaba
This article contains information related to the research article entitled "Biomarkers associated with disease severity in allergic and nonallergic asthma" (S. Baos, D. Calzada, L. Cremades, J. Sastre, J. Quiralte, F. Florido, C. Lahoz, B. Cárdaba, In press). Specifically, the clinical criteria stablished for selecting the study population (n=104 subjects) are described. Moreover, this article describes the criteria for selecting the 94 genes to be analyzed in PBMCs (peripheral blood mononuclear cells), it is provided a description of these genes and a Table with the genes most differentially expressed by clinical phenotypes and, finally it is detailed the experimental methodology followed for studying the protein expression of MSR1 (macrophage scavenger receptor 1), one of the genes evaluated in the research...
February 2017: Data in Brief
https://www.readbyqxmd.com/read/28044257/targeted-therapy-for-severe-asthma-identifying-the-right-patients
#20
Kathy Low, Philip G Bardin
Asthma affects over 300 million people worldwide. Most asthmatics are well controlled with inhaled corticosteroids and long-acting beta-agonists; however, a proportion of patients are unresponsive and attain limited disease control. This group represents a considerable healthcare and financial burden, particularly patients who experience frequent exacerbations and require hospital admission. Development of new biological agents and disease biomarkers has provided novel avenues for treatment. These treatments have been highly successful, reducing exacerbations and yielding modest improvements in quality of life and lung function...
January 2, 2017: Molecular Diagnosis & Therapy
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