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https://www.readbyqxmd.com/read/28178340/sputum-biomarkers-in-ipf-evidence-for-raised-gene-expression-and-protein-level-of-igfbp-2-il-8-and-mmp-7
#1
J Guiot, M Henket, J L Corhay, C Moermans, R Louis
BACKGROUND: Idiopathic pulmonary fibrosis (IPF) is a rare lung disease of unknown origin leading rapidly to death. This paper addresses the issue of whether sputum induction is a suitable tool to study respiratory tract inflammation and potential biomarkers in IPF compared to COPD, a fibrosing airway wall disease. METHODS: In a cross-sectional analysis, 15 IPF patients, 32 COPD and 30 healthy subjects underwent sputum induction. Total sputum cell counts and the amount of TGF- β, IGF-1, IGF-2, IGFBP-1, IGFBP-2, IGFBP-3, IL-8, IL-13, MMP-7, MMP-9, YKL-40, TNF-α and KL-6 in sputum supernatant were analysed...
2017: PloS One
https://www.readbyqxmd.com/read/28176939/factors-associated-with-plasma-il-33-levels-in-patients-with-chronic-obstructive-pulmonary-disease
#2
Sei Won Kim, Chin Kook Rhee, Ki Uk Kim, Sang Haak Lee, Hun Gyu Hwang, Yu Il Kim, Deog Kyeom Kim, Sang Do Lee, Yeon-Mok Oh, Hyoung Kyu Yoon
BACKGROUND: Interleukin (IL)-33 promotes T helper (Th)2 immunity and systemic inflammation. The role of IL-33 in asthma has been widely investigated. IL-33 has also been suggested to play an important role in the pathogenesis of chronic obstructive pulmonary disease (COPD). This study investigated the clinical significance and usefulness of plasma IL-33 level in patients with COPD. METHODS: A total of 307 patients with stable COPD from 15 centers, who were in the Korean Obstructive Lung Disease cohort, were enrolled in this study...
2017: International Journal of Chronic Obstructive Pulmonary Disease
https://www.readbyqxmd.com/read/28165763/stability-of-blood-eosinophils-in-copd-and-controls-and-the-impact-of-gender-age-smoking-and-baseline-counts
#3
Olorunfemi A Oshagbemi, Andrea M Burden, Dionne C W Braeken, Yvonne Henskens, Emiel F M Wouters, Johanna H M Driessen, Anke H Maitland-van der Zee, Frank de Vries, Frits M E Franssen
No abstract text is available yet for this article.
February 6, 2017: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/28161533/prevalence-determinants-and-clinical-correlates-of-vitamin-d-deficiency-in-patients-with-chronic-obstructive-pulmonary-disease-in-london-uk
#4
David A Jolliffe, Wai Yee James, Richard L Hooper, Neil C Barnes, Claire L Greiller, Kamrul Islam, Angshu Bhowmik, Peter M Timms, Raj K Rajakulasingam, Aklak B Choudhury, David E Simcock, Elina Hyppönen, Robert T Walton, Christopher J Corrigan, Christopher J Griffiths, Adrian R Martineau
Vitamin D deficiency is common in patients with chronic obstructive pulmonary disease (COPD), yet a comprehensive analysis of environmental and genetic determinants of serum 25-hydroxyvitamin D (25[OH]D) concentration in patients with this condition is lacking. We conducted a multi-centre cross-sectional study in 278 COPD patients aged 41-92 years in London, UK. Details of potential environmental determinants of vitamin D status and COPD symptom control and severity were collected by questionnaire, and blood samples were taken for analysis of serum 25(OH)D concentration and DNA extraction...
February 1, 2017: Journal of Steroid Biochemistry and Molecular Biology
https://www.readbyqxmd.com/read/28145647/relationship-between-fractional-exhaled-nitric-oxide-level-and-efficacy-of-inhaled-corticosteroid-in-asthma-copd-overlap-syndrome-patients-with-different-disease-severity
#5
Jia Xi Feng, Yun Lin, Jian Lin, Su Su He, Mei Fang Chen, Xiao Mai Wu, You Zu Xu
This study explored the relationship between the fractional exhaled nitric oxide (FeNO) level and the efficacy of inhaled corticosteroid (ICS) in asthma-chronic obstructive pulmonary disease (COPD) overlap syndrome (ACOS) patients with different disease severity. A total of 127 ACOS patients with ACOS (case group) and 131 healthy people (control group) were enrolled in this study. Based on the severity of COPD, the ACOS patients were divided into: mild ACOS; moderate ACOS; severe ACOS; and extremely severe ACOS groups...
March 2017: Journal of Korean Medical Science
https://www.readbyqxmd.com/read/28138231/erratum-comparison-of-the-clinical-characteristics-and-treatment-outcomes-of-patients-requiring-hospital-admission-to-treat-eosinophilic-and-neutrophilic-exacerbations-of-copd-corrigendum
#6
(no author information available yet)
[This corrects the article on p. 2467 in vol. 11, PMID: 27757029.].
2017: International Journal of Chronic Obstructive Pulmonary Disease
https://www.readbyqxmd.com/read/28103932/biomarkers-of-extracellular-matrix-turnover-are-associated-with-emphysema-and-eosinophilic-bronchitis-in-copd
#7
Asger Reinstrup Bihlet, Morten Asser Karsdal, Jannie Marie Bülow Sand, Diana Julie Leeming, Mustimbo Roberts, Wendy White, Russell Bowler
BACKGROUND: Chronic obstructive pulmonary disease (COPD) is characterized by airflow obstruction and loss of lung tissue mainly consisting of extracellular matrix (ECM). Three of the main ECM components are type I collagen, the main constituent in the interstitial matrix, type VI collagen, and elastin, the signature protein of the lungs. During pathological remodeling driven by inflammatory cells and proteases, fragments of these proteins are released into the bloodstream, where they may serve as biomarkers for disease phenotypes...
January 19, 2017: Respiratory Research
https://www.readbyqxmd.com/read/28024128/-pathogenesis-diagnosis-and-treatment-of-chronic-obstructive-pulmonary-disease-in-the-light-of-new-research
#8
EDITORIAL
Tadeusz Płusa
Accurate number of patients with chronic obtructive pulmonary disease (COPD) is difficult to determine, both in Poland and in the world. Quoted estimates and fragmented with the research indicate that approx. 10% of the world's population may be burdened by this disease. As it turns out, COPD is recognized in 25-45% in non-smokers, suggesting a genetic link. This is confirmed by new data that indicates that further embodiments having genetic polymorphisms associated with the occurrence of the disease. It was further found that the allele GC-1F vitamin D were risk factor for development of COPD...
December 22, 2016: Polski Merkuriusz Lekarski: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/27983888/eosinophilic-and-neutrophilic-airway-inflammation-in-the-phenotyping-of-mild-to-moderate-asthma-and-chronic-obstructive-pulmonary-disease
#9
Katarzyna Górska, Magdalena Paplińska-Goryca, Patrycja Nejman-Gryz, Krzysztof Goryca, Rafał Krenke
Asthma and chronic obstructive pulmonary disease (COPD) are heterogeneous diseases with different inflammatory phenotypes. Various inflammatory mediators play a role in these diseases. The aim of this study was to analyze the neutrophilic and eosinophilic airway and systemic inflammation as the phenotypic characterization of patients with asthma and COPD. Twenty-four patients with asthma and 33 patients with COPD were enrolled in the study. All the patients were in mild-to-moderate stage of disease, and none of them were treated with inhaled corticosteroids...
December 16, 2016: COPD
https://www.readbyqxmd.com/read/27973326/asthma-exacerbations-in-a-tertiary-hospital-clinical-features-triggers-and-risk-factors-for-hospitalization
#10
B Pola-Bibian, J Dominguez-Ortega, G Vilà-Nadal, A Entrala, L González-Cavero, P Barranco, N Cancelliere, M Díaz-Almirón, S Quirce
BACKGROUND: Risk factors for asthma exacerbations are not fully understood. The aim of this study was to determine the epidemiological and clinical characteristics of patients with an asthma exacerbation, potential triggers, and possible predictors of hospitalization. METHODS: A retrospective, non-interventional cohort study was conducted in adult patients who attended the Emergency Department of a tertiary hospital with an asthma exacerbation during 2014. RESULTS: 831 patients (888 events) were included...
December 14, 2016: Journal of Investigational Allergology & Clinical Immunology
https://www.readbyqxmd.com/read/27922751/new-therapies-for-asthma-and-chronic-obstructive-pulmonary-disease
#11
Nicholas J Gross, Peter J Barnes
No abstract text is available yet for this article.
January 15, 2017: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/27832230/inflammatory-and-immunological-profiles-in-patients-with-copd-relationship-with-fev-1-reversibility
#12
Cleriston Farias Queiroz, Antonio Carlos Moreira Lemos, Maria de Lourdes Santana Bastos, Margarida Célia Lima Costa Neves, Aquiles Assunção Camelier, Natália Barbosa Carvalho, Edgar Marcelino de Carvalho
Objective: To determine whether COPD severity correlates with sputum cell counts, atopy, and asthma. Methods: This was a cross-sectional study involving 37 patients with COPD and 22 healthy subjects with normal lung function (controls). Sputum cell counts were determined by microscopy after centrifugation of samples. Skin prick tests were performed, and serum cytokines were determined by ELISA. Results: Patients were stratified by bronchodilator response: a non-reversible airflow limitation (nonRAL) group comprised 24 patients showing no significant post-bronchodilator change in FEV1; and a partially reversible airflow limitation (partialRAL) group comprised 13 patients showing FEV1 reversibility (post-bronchodilator FEV1 increase ≥ 12%)...
July 2016: Jornal Brasileiro de Pneumologia: Publicaça̋o Oficial da Sociedade Brasileira de Pneumologia e Tisilogia
https://www.readbyqxmd.com/read/27832227/eosinophils-in-copd-why-should-i-care
#13
EDITORIAL
Frederico Leon Arrabal Fernandes
No abstract text is available yet for this article.
July 2016: Jornal Brasileiro de Pneumologia: Publicaça̋o Oficial da Sociedade Brasileira de Pneumologia e Tisilogia
https://www.readbyqxmd.com/read/27822474/the-time-course-of-pulmonary-function-tests-in-copd-patients-with-different-levels-of-blood-eosinophils
#14
Paola Rogliani, Ermanno Puxeddu, Chiara Ciaprini, Josuel Ora, Angelo Onorato, Gabriella Pezzuto, Luigino Calzetta, Mario Cazzola
Only very few studies have investigated the influence of eosinophils on the functional progression of COPD. We aimed at retrospectively analyzing the trend of pulmonary function tests over time in patients with COPD according to two baseline blood eosinophil cell count strata (<2% [EOS-] and ≥2% [EOS+]). We used the last 9-year data present in the database of our outpatient clinic and selected only those who had two blood counts that would guarantee the stability of the value of eosinophils and serial spirometry for 4 consecutive years...
2016: BioMed Research International
https://www.readbyqxmd.com/read/27796796/the-reemergence-of-the-asthma-copd-overlap-syndrome-characterizing-a-syndrome-in-the-precision-medicine-era
#15
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/27773786/monoclonal-antibody-therapy-for-the-treatment-of-asthma-and-chronic-obstructive-pulmonary-disease-with-eosinophilic-inflammation
#16
REVIEW
John Nixon, Paul Newbold, Tomas Mustelin, Gary P Anderson, Roland Kolbeck
Eosinophils have been linked with asthma for more than a century, but their role has been unclear. This review discusses the roles of eosinophils in asthma and chronic obstructive pulmonary disease (COPD) and describes therapeutic antibodies that affect eosinophilia. The aims of pharmacologic treatments for pulmonary conditions are to reduce symptoms, slow decline or improve lung function, and reduce the frequency and severity of exacerbations. Inhaled corticosteroids (ICS) are important in managing symptoms and exacerbations in asthma and COPD...
January 2017: Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/27757029/comparison-of-the-clinical-characteristics-and-treatment-outcomes-of-patients-requiring-hospital-admission-to-treat-eosinophilic-and-neutrophilic-exacerbations-of-copd
#17
Hye Seon Kang, Chin Kook Rhee, Sung Kyoung Kim, Jin Woo Kim, Sang Haak Lee, Hyung Kyu Yoon, Joong Hyun Ahn, Yong Hyun Kim
PURPOSE: We compared the clinical characteristics and treatment outcomes of patients with eosinophilic and neutrophilic COPD exacerbations requiring hospital admission. PATIENTS AND METHODS: This was a retrospective multicenter study performed between January 2010 and December 2014. In all, 1,688 COPD patients admitted via the outpatient clinics or emergency departments of six university hospitals were enrolled. The patients were grouped by complete blood counts: eosinophilic group, >2% peripheral blood eosinophils, and neutrophilic group, >65% peripheral blood neutrophils or >11,000 leukocytes/mL...
2016: International Journal of Chronic Obstructive Pulmonary Disease
https://www.readbyqxmd.com/read/27746201/eosinophils-in-chronic-obstructive-pulmonary-disease-exacerbations-are-associated-with-increased-readmissions
#18
Simon Couillard, Pierre Larivée, Josiane Courteau, Alain Vanasse
RATIONALE: A subset of patients with chronic obstructive pulmonary disease (COPD) demonstrates eosinophilic inflammation either in their sputum or blood. Previous studies regarding the association between increased blood eosinophils and poor readmission outcomes are conflicting. OBJECTIVE: Investigate outcomes following severe COPD exacerbations in patients with higher blood eosinophils. METHODS: With an observational study design, hospitalizations for severe COPD exacerbation were retrospectively gathered...
October 13, 2016: Chest
https://www.readbyqxmd.com/read/27713629/importance-of-fractional-exhaled-nitric-oxide-in-the-differentiation-of-asthma-copd-overlap-syndrome-asthma-and-copd
#19
Feng-Jia Chen, Xin-Yan Huang, Yang-Li Liu, Geng-Peng Lin, Can-Mao Xie
BACKGROUND: Fractional exhaled nitric oxide (FeNO) is an easy, sensitive, reproducible, and noninvasive marker of eosinophilic airway inflammation. Accordingly, FeNO is extensively used to diagnose and manage asthma. Patients with COPD who share some of the features of asthma have a condition called asthma-COPD overlap syndrome (ACOS). The feasibility of using FeNO to differentiate ACOS patients from asthma and COPD patients remains unclear. METHODS: From February 2013 to May 2016, patients suspected with asthma and COPD through physician's opinion were subjected to FeNO measurement, pulmonary function test (PFT), and bronchial hyperresponsiveness or bronchodilator test...
2016: International Journal of Chronic Obstructive Pulmonary Disease
https://www.readbyqxmd.com/read/27709630/myeloid-derived-suppressor-cell-like-fibrocytes-are-increased-and-associated-with-preserved-lung-function-in-chronic-obstructive-pulmonary-disease
#20
A K A Wright, C Newby, R A Hartley, V Mistry, S Gupta, R Berair, K M Roach, R Saunders, T Thornton, M Shelley, K Edwards, B Barker, C E Brightling
BACKGROUND: The role of fibrocytes in chronic obstructive pulmonary disease (COPD) is unknown. We sought to enumerate blood and tissue fibrocytes in COPD and determine the association of blood fibrocytes with clinical features of disease. METHODS: Utilizing flow cytometry to identify circulating, collagen type 1(+) cells, we found two populations: (i) CD45(+) CD34(+) (fibrocytes) and (ii) CD45(+) CD34(-) [myeloid-derived suppressor cell (MDSC)-like fibrocytes] cells in stable COPD (n = 41) and control (n = 29) subjects...
October 6, 2016: Allergy
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