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Asthma biomarker

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https://www.readbyqxmd.com/read/27922751/new-therapies-for-asthma-and-copd
#1
Nicholas J Gross, Peter J Barnes
Asthma and COPD (chronic obstructive pulmonary disease) are two common diseases for which current treatments are less than optimal and for which new drugs are greatly needed. Better understanding of the cellular and molecular mechanisms of these diseases has identified new targets for therapy and several new drugs are in development. Although most new treatments on the market are improvements in existing classes of drug or new combination of treatments, the clinicaltrials.gov website indicates 50 and 100 new medications for both asthma and COPD and many of these are entirely new...
December 6, 2016: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/27913298/a-novel-monoclonal-antibody-suitable-for-the-detection-of-leukotriene-b4
#2
Steffi Lütkecosmann, Axel Warsinke, Winfried Tschöpe, Rüdiger Eichler, Katja Hanack
Leukotriene B4 as an inflammatory mediator is an important biomarker for different respiratory diseases like asthma, chronic obstructive pulmonary disease or cystic lung fibrosis. Therefore the detection of LTB4 is helpful in the diagnosis of these pulmonary diseases. However, until now its determination in exhaled breath condensates suffers from problems of accuracy. Reasons for that could be improper sample collection and preparation methods of condensates and the lack of consistently assay specificity and reproducibility of the used immunoassay detection system...
November 29, 2016: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/27902892/microrna-145-influences-the-balance-of-th1-th2-via-regulating-runx3-in-asthma-patients
#3
Linxia Fan, Xiaojun Wang, Linlan Fan, Qizhang Chen, Hong Zhang, Hui Pan, Aixia Xu, Hongjuan Wang, Yang Yu
AIM OF THE STUDY: To delineate the underlying mechanism of microRNA-145 modulate the balance of Th1/Th2 via targeting RUNX3 in asthma patients. MATERIALS AND METHODS: Peripheral blood samples were collected from asthma patients and healthy controls. CD4(+) T cells were isolated and cultured. Using quantitative PCR detect, the level of microRNA-145 and RUNX3 mRNA level in the CD4(+) T cells from asthma patients and healthy controls, meanwhile, western blot was used to detect the RUNX3 protein level...
November 30, 2016: Experimental Lung Research
https://www.readbyqxmd.com/read/27900996/suppression-of-immunotherapy-on-group-2-innate-lymphoid-cells-in-allergic-rhinitis
#4
Da-Chuan Fan, Xiang-Dong Wang, Cheng-Shuo Wang, Yang Wang, Fei-Fei Cao, Luo Zhang
BACKGROUND: Group 2 innate lymphoid cells (ILC2s) are regarded as a novel population of lineage-negative cells that induce innate Type 2 responses by producing the critical Th2-type cytokines interleukin (IL)-5 and IL-13. ILC2s as key players in the development of allergic rhinitis (AR) have been proved, however, the effect of subcutaneous immunotherapy (SCIT) with dermatophagoides pteronyssinus extract (Der p-SCIT) on ILC2s in AR patients is not clear. This study aimed to investigate the response of ILC2s of peripheral blood in house dust mites (HDM)-sensitized Chinese patients with AR who received SCIT with Der P extract...
2016: Chinese Medical Journal
https://www.readbyqxmd.com/read/27893721/biomarkers-associated-with-bronchopulmonary-dysplasia-mortality-in-premature-infants
#5
Jessica Balena-Borneman, Namasivayam Ambalavanan, Hemant K Tiwari, Russell L Griffin, Brian Halloran, David Askenazi
BACKGROUND: Bronchopulmonary dysplasia (BPD) portends lifelong organ impairment and death. Our ability to predict BPD in first days of life is limited, but could be enhance using novel biomarkers. METHODS: Using an available clinical and urine biomarker database obtained from a prospective 113 infant cohort (birth weight ≤1200 g and/or gestational age ≤31 weeks), we evaluated the independent association of 14 urine biomarkers with BPD/mortality. RESULTS: Two of the 14 urine biomarkers were independently associated with BPD/mortality after controlling for gestational age (GA), small for gestational age (SGA), and intubation status...
November 28, 2016: Pediatric Research
https://www.readbyqxmd.com/read/27889082/nod2-promotes-cell-proliferation-and-inflammatory-response-by-mediating-expression-of-tslp-in-human-airway-smooth-muscle-cells
#6
Gaoshun Ni, Yang Chen, Fengqin Wu, Pengxian Zhu, Liqiang Song
The newly discovered intracytosolic pattern recognition receptor nucleotide-binding oligomerization domain 2 (NOD2) has been studied as an important indicator of T helper 2 (Th2) inflammation, and its effect on regulatory T (Treg) cells is likely to modulate the immune response. In this study, we attempted to study the expression of NOD2 and its impact in human airway smooth muscle cells (HASMC). Quantitative real-time PCR (qRT-PCR) was used to measure the expression level of NOD2 in HASMC and comparisons were made between those from asthmatic and non-asthmatic donors; we found that NOD2 was significantly upregulated in asthma patient tissues and cell lines...
November 17, 2016: Cellular Immunology
https://www.readbyqxmd.com/read/27888993/identifying-biomarkers-for-asthma-diagnosis-using-targeted-metabolomics-approaches
#7
William Checkley, Maria P Deza, Jost Klawitter, Karina M Romero, Jelena Klawitter, Suzanne L Pollard, Robert A Wise, Uwe Christians, Nadia N Hansel
BACKGROUND: The diagnosis of asthma in children is challenging and relies on a combination of clinical factors and biomarkers including methacholine challenge, lung function, bronchodilator responsiveness, and presence of airway inflammation. No single test is diagnostic. We sought to identify a pattern of inflammatory biomarkers that was unique to asthma using a targeted metabolomics approach combined with data science methods. METHODS: We conducted a nested case-control study of 100 children living in a peri-urban community in Lima, Peru...
December 2016: Respiratory Medicine
https://www.readbyqxmd.com/read/27882215/epigenetic-changes-in-peripheral-leucocytes-as-biomarkers-in-intrauterine-growth-retardation-rat
#8
Xue-Feng Xu, Shan-Shan Xu, Lin-Cheng Fu, Qiong-Yao Hu, Ying Lv, Li-Zhong Du
Epigenetics plays an important role in the fetal origins of adult disease. Intrauterine growth retardation (IUGR) can cause increased histone acetylation of the endothelin-1 (ET-1) gene from pulmonary vascular endothelial cells or the whole lung tissue and persist into later life, likely resulting in increased risk of pulmonary hypertension or asthma later in life. However, little is known regarding the correlation of epigenetic changes between specific tissue and peripheral leucocytes. In the present study, an IUGR rat model was established by maternal nutrient restriction...
November 2016: Biomedical Reports
https://www.readbyqxmd.com/read/27862336/asthma-and-allergic-rhinitis-in-childhood-what-s-new
#9
REVIEW
Carla Mastrorilli, Daniela Posa, Francesca Cipriani, Carlo Caffarelli
Novel approaches are currently offered for the diagnostic work-up and therapeutic management of allergic rhinitis and asthma. New predictive biomarkers of allergy and asthma are available. Primary and secondary prevention, earlier intervention, and modification of the natural history of allergic rhinitis and asthma are being intensively investigated. This review highlights advances in the understanding of the etiology, diagnosis, and management of atopic airway diseases in childhood, as well as prenatal and early-life risk factors and strategies for prevention...
November 10, 2016: Pediatric Allergy and Immunology
https://www.readbyqxmd.com/read/27831798/an-official-american-thoracic-society-workshop-report-evaluation-and-management-of-asthma-in-the-elderly
#10
Gwen S Skloot, Paula J Busse, Sidney S Braman, Elizabeth J Kovacs, Anne E Dixon, Carlos A Vaz Fragoso, Nicola Scichilone, Y S Prakash, Christina M Pabelick, Sameer K Mathur, Nicola A Hanania, Wendy C Moore, Peter G Gibson, Susan Zieman, Betina B Ragless
Asthma in the elderly (>65 yr old) is common and associated with higher morbidity and mortality than asthma in younger patients. The poor outcomes in this group are due, in part, to underdiagnosis and undertreatment. There are a variety of factors related to aging itself that affect the presentation of asthma in the elderly and influence diagnosis and management. Structural changes in the aging lung superimposed on structural changes due to asthma itself can worsen the disease and physiologic function. Changes in the aging immune system influence the cellular composition and function in asthmatic airways...
November 2016: Annals of the American Thoracic Society
https://www.readbyqxmd.com/read/27830727/exploration-of-the-sphingolipid-metabolite-sphingosine-1-phosphate-and-sphingosine-as-novel-biomarkers-for-aspirin-exacerbated-respiratory-disease
#11
Hoang Kim Tu Trinh, Su-Chin Kim, Kumsun Cho, Su-Jung Kim, Ga-Young Ban, Hyun-Ju Yoo, Joo-Youn Cho, Hae-Sim Park, Seung-Hyun Kim
Sphingolipid (SL) metabolites have been suggested to be important inflammatory mediators in airway inflammation and asthma. However, little is known about SL metabolites in aspirin-exacerbated respiratory disease (AERD). We aimed to explore the potential AERD biomarkers by conducting lipidomics targeting SL metabolites. The levels of SL metabolites in serum and urine samples from 45 AERD patients and 45 aspirin-tolerant asthma (ATA) patients were quantified through mass spectrometry. During the lysine-aspirin bronchoprovocation test (ASA-BPT), the levels of serum sphingomyelin (SM) were significantly decreased in AERD (P < 0...
November 10, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27820746/role-of-biologics-targeting-type-2-airway-inflammation-in-asthma-what-have-we-learned-so-far
#12
Amit D Parulekar, Zuzana Diamant, Nicola A Hanania
PURPOSE OF REVIEW: Severe asthma is a heterogeneous syndrome that can be classified into distinct phenotypes and endotypes. In the type 2 (T2)-high endotype, multiple cytokines are produced that lead to eosinophilic inflammation. These cytokines and their receptors are targets for biologic therapies in patients with severe asthma who do not respond well to standard therapy with inhaled corticosteroids. RECENT FINDINGS: In the last decade, an increasing number of biologic therapies have been developed targeting T2 inflammation...
January 2017: Current Opinion in Pulmonary Medicine
https://www.readbyqxmd.com/read/27820745/role-of-sputum-biomarkers-in-the-management-of-asthma
#13
Sven F Seys
PURPOSE OF REVIEW: Airway inflammation is considered to be a cardinal feature of asthma. However, the type of airway inflammation is heterogeneous and airway inflammation may even be absent. Biomarkers may help to identify the inflammatory phenotype or endotype, especially now the time has come that targeted therapies enter daily practice. RECENT FINDINGS: Sputum biomarkers have increased our insights into the different inflammatory asthma phenotypes, their response to treatment and their association with progression of disease...
January 2017: Current Opinion in Pulmonary Medicine
https://www.readbyqxmd.com/read/27817798/advances-in-rhinitis-and-rhinosinusitis-in-2015
#14
REVIEW
Claus Bachert, Elien Gevaert
The last year has seen great progress in the understanding of upper airway disease and in its management. For allergic rhinitis, authors focused on the prediction of and effect on the natural course of disease. New evidence was published for the disease-modifying effect of allergen immunotherapy in terms of avoidance of new sensitizations and prevention of asthma in either randomized or real-life studies. Specifically, for patients with house dust mite allergies, which are often underestimated and difficult to diagnose, the efficacy of SQ house dust mite sublingual immunotherapy tablets has been demonstrated in patients with allergic rhinitis and asthma...
November 2016: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/27808589/challenges-for-drug-discovery-and-development-in-china
#15
Kam Lun Hon, Vivian W Y Lee
The drug development industry is restructuring worldwide in terms of the research and development process. As with pharmaceuticals in the west, China faces major challenges for drug discovery and development. Areas covered: In this review, the authors discuss anti-cancer, anti-allergy, anti-infectious, and proprietary Chinese Medicines (pCM) for various chronic diseases (such as the allergic diseases: eczema, asthma and allergic rhinitis), which remain the contemporary therapeutic strategies that are being explored and developed...
November 24, 2016: Expert Opinion on Drug Discovery
https://www.readbyqxmd.com/read/27805757/the-relationship-between-biomarkers-of-fungal-allergy-and-lung-damage-in-asthma
#16
K F Woolnough, M Richardson, C Newby, M Craner, M Bourne, W Monteiro, S Siddiqui, P Bradding, C H Pashley, A J Wardlaw
BACKGROUND: Immunological biomarkers are the key to the diagnosis of allergic bronchopulmonary aspergillosis (ABPA) and fungal sensitisation, but how these relate to clinically relevant outcomes is unclear. OBJECTIVES: To assess how fungal immunological biomarkers are related to fixed airflow obstruction and radiological abnormalities in moderate to severe asthma. METHODS: Cross-sectional study of 431 asthmatics. Inflammatory biomarkers, lung function and an IgE fungal panel to colonising filamentous fungi, yeasts and fungal aeroallergens were measured...
November 2, 2016: Clinical and Experimental Allergy: Journal of the British Society for Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/27803792/mepolizumab-for-severe-refractory-eosinophilic-asthma-evidence-to-date-and-clinical-potential
#17
REVIEW
Francesco Menzella, Mirco Lusuardi, Carla Galeone, Sofia Taddei, Nicola Facciolongo, Luigi Zucchi
Severe asthma is characterized by major impairment of quality of life, poor symptom control and frequent exacerbations. Inflammatory, clinical and causative factors identify different phenotypes and endotypes of asthma. In the last few years, new treatment options have allowed for targeted treatments according to the different phenotypes of the disease. To accurately select a specific treatment for each asthmatic variant, the identification of appropriate biomarkers is required. Eosinophilic asthma is a distinct phenotype characterized by thickening of the basement membrane and corticosteroid responsiveness...
November 2016: Therapeutic Advances in Chronic Disease
https://www.readbyqxmd.com/read/27796796/the-reemergence-of-the-asthma-copd-overlap-syndrome-characterizing-a-syndrome-in-the-precision-medicine-era
#18
REVIEW
Stephanie A Christenson
PURPOSE OF REVIEW: The asthma-COPD overlap syndrome (ACOS) has reemerged in the medical literature. This review addresses our current understanding of ACOS as a clinical and biological entity and how new and existing therapies may be targeted to this group. RECENT FINDINGS: Many studies suggest that ACOS is common and associated with more morbidity than asthma and COPD in general. However, there is no consensus on an ACOS definition, likely due to the heterogeneity of the disease...
November 2016: Current Allergy and Asthma Reports
https://www.readbyqxmd.com/read/27795900/evaluation-of-cord-blood-irisin-levels-in-term-newborns-with-small-gestational-age-and-appropriate-gestational-age
#19
Esengul Keleş, Filiz Fatime Turan
BACKGROUND: Most recently, a novel myokine, named irisin, was identified in human that expressed by skeletal muscle after exercise. Irisin increases energy expenditure by turning white adipose tissue into brown adipose tissue. Thus improves carbohydrate homeostasis in humans. Irisin is considered as a potential biomarker for obesity and metabolic syndrome. In recent years, numerous studies have been conducted about irisin with adults, although number of studies with newborns is limited...
2016: SpringerPlus
https://www.readbyqxmd.com/read/27790845/sputum-interleukin-13-as-a-biomarker-for-the-evaluation-of-asthma-control
#20
Z Tsilogianni, G Hillas, P Bakakos, L Aggelakis, E Konstantellou, A I Papaioannou, A Papaporfyriou, S Papiris, N Koulouris, S Loukides, K Kostikas
No abstract text is available yet for this article.
November 2016: Clinical and Experimental Allergy: Journal of the British Society for Allergy and Clinical Immunology
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