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chronic obstructive lung disease

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https://www.readbyqxmd.com/read/29167970/independent-association-of-bone-mineral-density-and-trabecular-bone-score-to-vertebral-fracture-in-male-subjects-with-chronic-obstructive-pulmonary-disease
#1
R Watanabe, N Tai, J Hirano, Y Ban, D Inoue, R Okazaki
Osteoporosis is a major comorbidity of chronic obstructive pulmonary disease (COPD), but the mechanism of bone fragility is unknown. We demonstrated that trabecular bone score, a parameter of bone quality, was associated with systemic inflammation and was a significant determinant of vertebral fracture independent of bone mineral density. INTRODUCTION: COPD is a major cause of secondary osteoporosis. However, the mechanism of bone fragility is unclear. We previously reported that vertebral fracture was highly prevalent in male COPD patients...
November 22, 2017: Osteoporosis International
https://www.readbyqxmd.com/read/29167298/prevalence-and-burden-of-chronic-bronchitis-symptoms-results-from-the-bold-study
#2
Filip Mejza, Louisa Gnatiuc, A Sonia Buist, William M Vollmer, Bernd Lamprecht, Daniel O Obaseki, Pawel Nastalek, Ewa Nizankowska-Mogilnicka, Peter G J Burney
We studied the prevalence, burden and potential risk factors for chronic bronchitis symptoms in the Burden of Obstructive Lung Disease study.Representative population-based samples of adults aged ≥40 years were selected in participating sites. Participants completed questionnaires and spirometry. Chronic bronchitis symptoms were defined as chronic cough and phlegm on most days for ≥3 months each year for ≥2 years.Data from 24 855 subjects from 33 sites in 29 countries were analysed. There were significant differences in the prevalence of self-reported symptoms meeting our definition of chronic bronchitis across sites, from 10...
November 2017: European Respiratory Journal: Official Journal of the European Society for Clinical Respiratory Physiology
https://www.readbyqxmd.com/read/29166179/imbalance-between-subpopulations-of-regulatory-t-cells-in-patients-with-acute-exacerbation-of-copd
#3
Xia Yang, Bo Huo, Xiaoning Zhong, Wenyan Su, Wenting Liu, Yumei Li, Zhiyi He, Jing Bai
Human regulatory T cells (Tregs) have been reported to be not significantly different in the peripheral blood of patients with chronic obstructive pulmonary disease (COPD) and healthy controls. Recent research has identified some new markers for Tregs and indicated that Tregs are composed of distinct subpopulations. The aim of the study was to describe the changing patterns of circulating Treg subpopulations in patients with acute exacerbation of COPD (AECOPD) and healthy controls, and to explore their potential roles in AECOPD pathogenesis...
November 22, 2017: COPD
https://www.readbyqxmd.com/read/29165854/mmp-3-1171-5a-6a-lys45glu-variants-affect-serum-levels-of-matrix-metalloproteinase-mmp-3-and-correlate-with-severity-of-copd-a-study-of-mmp-3-mmp-7-and-mmp-12-in-a-tunisian-population
#4
Sarra Bchir, Hela Ben Nasr, Abdelhamid Garrouch, Amel Ben Anes, Ammar Abbassi, Zouhair Tabka, Karim Chahed
OBJECTIVE: The goal of this study was to examine the role of MMP-3 (-1171 5A/6A; Lys45Glu (A/G)), MMP-7 (-181) A/G and MMP-12 (-82 A/G; Asn357Ser (A/G)) variants in the development and severity of chronic obstructive pulmonary disease (COPD) in Tunisians. METHODS: Plethysmography was performed in all participants to measure FEV1, FVC and FEV1/FVC parameters. Genotyping of MMP-3, MMP-7 and MMP-12 polymorphisms was carried out in 138 patients with COPD and 216 healthy controls using polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP)...
November 22, 2017: Journal of Gene Medicine
https://www.readbyqxmd.com/read/29165119/comorbidities-according-to-airflow-limitation-severity-data-from-comprehensive-health-examination-in-japan
#5
Shota Masuda, Hisamitsu Omori, Ayumi Onoue, Xi Lu, Kenichi Kubota, Noritaka Higashi, Yasuhiro Ogata, Takahiko Katoh
OBJECTIVES: The present study aimed to investigate the relationship between airflow limitation (AL) severity and comorbidities in comprehensive health examination. METHODS: This cross-sectional study included 6661 men and 6044 women aged 40-89 who underwent a lung function test during medical checkups. AL was defined as forced expiratory volume in 1 s/forced vital capacity of < 0.7. Logistic regression analysis was used to assess the association between AL severity and the presence of comorbidities...
March 20, 2017: Environmental Health and Preventive Medicine
https://www.readbyqxmd.com/read/29164557/adiponectin-attenuates-endoplasmic-reticulum-stress-and-alveolar-epithelial-apoptosis-in-copd-rats
#6
Y-L Zhao, F Li, Y-W Liu, Y-J Shi, Z-H Li, G-K Cao, W Zhu
OBJECTIVE: The present study was designed to evaluate the effect of Adiponectin (APN) against alveolar epithelial apoptosis in chronic obstructive pulmonary disease (COPD) rat models. MATERIALS AND METHODS: Thirty-six male Sprague-Dawley (SD) rats were randomly assigned to three groups: Sham group, COPD group, and COPD + APN group (2.5 ug/kg/day). To assess the effect of APN, histopathological evaluations, lung function, and the apoptotic index (AI) of alveolar septal cells, were performed...
November 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29161163/classification-of-chronic-obstructive-pulmonary-disease-copd-according-to-the-new-global-initiative-for-chronic-obstructive-lung-disease-gold-2017-comparison-with-gold-2011
#7
Raquel Marçôa, Daniela Marta Rodrigues, Margarida Dias, Inês Ladeira, Ana Paula Vaz, Ricardo Lima, Miguel Guimarães
Chronic Obstructive Pulmonary Disease (COPD) is a major cause of morbidity and mortality worldwide. The Global Initiative for Chronic Obstructive Lung Disease (GOLD) project has been working to improve awareness, prevention and management of this disease. The aim of this study is to evaluate how COPD patients are reclassified by the 2017 GOLD system (versus GOLD 2011), to calculate the level of agreement between these two classifications in allocation to categories and to compare the performance of each classification to predict future exacerbations...
November 21, 2017: COPD
https://www.readbyqxmd.com/read/29161091/dealing-with-stress-defective-metabolic-adaptation-in-chronic-obstructive-pulmonary-disease-pathogenesis
#8
Charalambos Michaeloudes, Pankaj K Bhavsar, Sharon Mumby, Kian Fan Chung, Ian M Adcock
The mitochondrion is the main site of energy production and a hub of key signaling pathways. It is also central in stress-adaptive response due to its dynamic morphology and ability to interact with other organelles. In response to stress, mitochondria fuse into networks to increase bioenergetic efficiency and protect against oxidative damage. Mitochondrial damage triggers segregation of damaged mitochondria from the mitochondrial network through fission and their proteolytic degradation by mitophagy. Post-translational modifications of the mitochondrial proteome and nuclear cross-talk lead to reprogramming of metabolic gene expression to maintain energy production and redox balance...
November 2017: Annals of the American Thoracic Society
https://www.readbyqxmd.com/read/29160737/community-singing-groups-for-people-with-chronic-obstructive-pulmonary-disease-participant-perspectives
#9
Ann Skingley, Stephen Clift, Sadie Hurley, Sonia Price, Lizzi Stephens
AIM: Chronic obstructive pulmonary disease (COPD) is a major public health issue which is irreversible and progressive, but previous research suggests that singing may have beneficial effects. The aim of this study was to establish the views of participants with COPD taking part in a singing for better breathing programme. METHODS: This was a descriptive qualitative study nested within a single-cohort feasibility study which included measures of lung function and wellbeing...
November 1, 2017: Perspectives in Public Health
https://www.readbyqxmd.com/read/29160020/comparison-of-quantitative-regional-ventilation-weighted-fourier-decomposition-mri-with-dynamic-fluorinated-gas-washout-mri-and-lung-function-testing-in-copd-patients
#10
Till F Kaireit, Marcel Gutberlet, Andreas Voskrebenzev, Julia Freise, Tobias Welte, Jens M Hohlfeld, Frank Wacker, Jens Vogel-Claussen
BACKGROUND: Ventilation-weighted Fourier decomposition-MRI (FD-MRI) has matured as a reliable technique for quantitative measures of regional lung ventilation in recent years, but has yet not been validated in COPD patients. PURPOSE/HYPOTHESIS: To compare regional fractional lung ventilation obtained by ventilation-weighted FD-MRI with dynamic fluorinated gas washout MRI ((19) F-MRI) and lung function test parameters. STUDY TYPE: Prospective study...
November 21, 2017: Journal of Magnetic Resonance Imaging: JMRI
https://www.readbyqxmd.com/read/29156550/can-youthful-mesenchymal-stem-cells-from-wharton-s-jelly-bring-a-breath-of-fresh-air-for-copd
#11
REVIEW
Andrzej M Janczewski, Joanna Wojtkiewicz, Ewa Malinowska, Anna Doboszyńska
Chronic obstructive pulmonary disease (COPD) is a major global cause of morbidity and mortality, projected to become the 3rd cause of disease mortality worldwide by 2020. COPD is characterized by persistent and not fully reversible airflow limitation that is usually progressive and is associated with an abnormal chronic inflammatory response of the lung to noxious agents including cigarette smoke. Currently available therapeutic strategies aim to ease COPD symptoms but cannot prevent its progress or regenerate physiological lung structure or function...
November 18, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29156451/impact-of-stressful-life-events-on-patients-with-chronic-obstructive-pulmonary-disease
#12
Tsung Yu, Anja Frei, Gerben Ter Riet, Milo A Puhan
BACKGROUND: There is a general notion that stressful life events may cause mental and physical health problems. OBJECTIVES: We aimed to describe stressful life events reported by patients with chronic obstructive pulmonary disease (COPD) and to assess their impact on health outcomes and behaviors. METHODS: Two hundred and sixty-six primary care patients who participated in the ICE COLD ERIC cohort study were asked to document any stressful life events in the past 3 years...
November 1, 2017: Respiration; International Review of Thoracic Diseases
https://www.readbyqxmd.com/read/29156356/limax-extract-ameliorates-cigarette-smoke-induced-chronic-obstructive-pulmonary-disease-in-mice
#13
Xue Liang, Jian Wang, Ruijuan Guan, Li Zhao, Defu Li, Zhen Long, Qian Yang, Jingyi Xu, Ziyi Wang, Jinkui Xie, Wenju Lu
Chronic obstructive pulmonary disease (COPD) is a chronic, progressive and lethal lung disease with few treatments. Limax, a mollusk with lung, has been widely used to control phlegm and cough in China, yet whether Limax has a positive effect on COPD is unknown. This study investigated the effects of water-soluble extract from Limax on COPD development and the underlying mechanisms. The results showed that Limax extract improved lung function, relieved emphysema and suppressed the inflammation in the lungs of CS-challenged mice, as evidenced by diminished release of IL-6, KC, TNF-α, IFN-γ, Muc5AC, IL-17 and diminished mRNA expression of Muc5B...
November 17, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/29156256/effects-of-ambient-temperature-on-lung-function-in-patients-with-chronic-obstructive-pulmonary-disease-a-time-series-panel-study
#14
Zhijing Lin, Yutong Gu, Cong Liu, Yuanlin Song, Chunxue Bai, Renjie Chen, Shujing Chen, Haidong Kan
BACKGROUND: Limited evidence concerns the associations between ambient temperature and lung function and the results are mixed. OBJECTIVE: To evaluate the associations between temperature variations and daily fluctuations in pulmonary function in chronic obstructive pulmonary disease (COPD) patients. METHODS: We designed a time-series panel study of 28 male urban COPD patients with repeated daily lung function measurements from December 2012 to May 2013 in Shanghai, China...
November 16, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/29153881/relationship-of-blood-eosinophil-count-to-exacerbations-in-chronic-obstructive-pulmonary-disease
#15
Robert S Zeiger, Trung N Tran, Rebecca K Butler, Michael Schatz, Qiaowu Li, Deepak B Khatry, Ubaldo Martin, Aniket A Kawatkar, Wansu Chen
BACKGROUND: Eosinophilic airway inflammation characterizes a chronic obstructive pulmonary disease (COPD) phenotype that requires more study. OBJECTIVE: To investigate the relationship of blood eosinophil count to exacerbations in COPD. METHODS: Using administrative pharmacy and health care utilization data from 2009 to 2012, we retrospectively identified patients 40 years or older with a COPD diagnosis, postbronchodilator FEV1/forced vital capacity ratio of less than 0...
November 15, 2017: Journal of Allergy and Clinical Immunology in Practice
https://www.readbyqxmd.com/read/29152998/relationship-between-lung-function-and-inhalation-devices-for-lama-laba-therapy-for-chronic-obstructive-pulmonary-disease
#16
Hideyasu Yamada, Norihito Hida, Hiroaki Satoh, Taisuke Nakaizumi, Hideo Terashima, Nobuyuki Hizawa
No abstract text is available yet for this article.
January 1, 2017: Chronic Respiratory Disease
https://www.readbyqxmd.com/read/29152167/differences-in-medication-adherence-are-associated-with-beliefs-about-medicines-in-asthma-and-copd
#17
Susanne Brandstetter, Tamara Finger, Wiebke Fischer, Magdalena Brandl, Merle Böhmer, Michael Pfeifer, Christian Apfelbacher
Adherence to medication is crucial for achieving treatment control in chronic obstructive lung diseases. This study refers to the "necessity-concerns framework" and examines the associations between beliefs about medicines and self-reported medication adherence in people with chronic obstructive lung disease. 402 patients (196 with asthma, 206 with COPD) participated in the study and completed a questionnaire comprising the "Beliefs about Medicines-Questionnaire" (BMQ) and the "Medication Adherence Report Scale" (MARS)...
2017: Clinical and Translational Allergy
https://www.readbyqxmd.com/read/29151827/tumor-necrosis-factor-like-weak-inducer-of-apoptosis-regulates-quadriceps-muscle-atrophy-and-fiber-type-alteration-in-a-rat-model-of-chronic-obstructive-pulmonary-disease
#18
Jun-Juan Lu, Qing Wang, Li Hua Xie, Qiang Zhang, Sheng Hua Sun
Background: In chronic obstructive pulmonary disease (COPD), weakness and muscle mass loss of the quadriceps muscle has been demonstrated to predict survival and mortality rates of patients. Tumor necrosis factor (TNF)-like weak inducer of apoptosis (TWEAK), as a member of the TNF superfamily, has recently been identified as a key regulator of skeletal muscle wasting and metabolic dysfunction. So our aim was to study the role of TWEAK during quadriceps muscle atrophy and fiber-type transformation in COPD model rats and its possible pathway...
2017: Tobacco Induced Diseases
https://www.readbyqxmd.com/read/29149779/increased-genes-expression-levels-of-cytokines-related-to-th17-treg-cells-in-peripheral-blood-mononuclear-cell-correlate-with-clinical-severity-in-copd-and-mustard-gas-exposed-patients
#19
Parisa Farahani, Raheleh Halabian, Ensieh Vahedi, Jafar Salimian
The long lasting inflammation and immune dysregulation is one of the main mechanisms involved in lung complication of veterans exposed to sulfur mustard (SM) gas. Th17/Treg cells have an important role in immunopathogenesis of chronic obstructive pulmonary disease (COPD) and mustard lung disease. In this study, expression of cytokines genes levels related to Th17/Treg cells was determined in peripheral blood mononuclear (PBMC) of mustard lung patients and was compared with COPD patients and healthy controls (HC)...
October 2017: Iranian Journal of Allergy, Asthma, and Immunology
https://www.readbyqxmd.com/read/29148977/the-role-of-micrornas-in-chronic-respiratory-disease-recent-insights
#20
Lindsay R Stolzenburg, Ann Harris
Chronic respiratory diseases encompass a group of diverse conditions affecting the airways, which all impair lung function over time. They include cystic fibrosis, idiopathic pulmonary fibrosis, chronic obstructive pulmonary disease, and asthma, which together affect hundreds of millions of people worldwide. MicroRNAs (miRNAs), a class of small non-coding RNAs involved in post-transcriptional gene repression, are now recognized as major regulators in the development and progression of chronic lung disease. Alterations in miRNA abundance occur in lung tissue, inflammatory cells, and freely circulating in blood and are thought to function both as drivers and modifiers of disease...
November 27, 2017: Biological Chemistry
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