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https://www.readbyqxmd.com/read/28432078/effect-of-4-5-6-7-8-tetrahydro-5-5-8-8-tetramethyl-2-naphthalenyl-carbamoyl-benzoic-acid-am80-on-alveolar-regeneration-in-adiponectin-deficient-mice-showing-a-chronic-obstructive-pulmonary-disease-like-pathophysiology
#1
Hitomi Sakai, Michiko Horiguchi, Tomomi Akita, Chihiro Ozawa, Mai Hirokawa, Yuki Oiso, Harumi Kumagai, Yoshito Takeda, Isao Tachibana, Norikazu Maeda, Chikamasa Yamashita
Chronic obstructive pulmonary disease (COPD) is an intractable pulmonary disease that causes widespread and irreversible alveolar collapse. Although COPD occurs worldwide, only symptomatic therapy is currently available. The objective of the present study was the development of therapeutic agents to eradicate COPD. Therefore, we focused on 4-[(5,6,7,8-tetrahydro-5,5,8,8-tetramethyl-2-naphthalenyl) carbamoyl] benzoic acid (Am80), which is a derivative of all-trans retinoic acid. We evaluated the effects of Am80 on alveolar repair in a novel COPD model of adiponectin-deficient mice...
April 21, 2017: Journal of Pharmacology and Experimental Therapeutics
https://www.readbyqxmd.com/read/28431501/outcomes-after-early-and-delayed-rehabilitation-for-exacerbation-of-chronic-obstructive-pulmonary-disease-a-nationwide-retrospective-cohort-study-in-japan
#2
Hiroki Matsui, Taisuke Jo, Kiyohide Fushimi, Hideo Yasunaga
BACKGROUND: The effectiveness of early pulmonary rehabilitation (PR) for exacerbation of chronic obstructive pulmonary disease (COPD) remains controversial. The present study aimed to compare the outcomes between early and delayed PR for exacerbation of COPD, using a national inpatient database. METHODS: Using the Japanese Diagnosis Procedure Combination database, we examined patients who were transported to hospital for exacerbation of COPD, received PR during hospitalisation, and were discharged to their home...
April 21, 2017: Respiratory Research
https://www.readbyqxmd.com/read/28430622/serious-adverse-events-of-cell-therapy-for-respiratory-diseases-a-systematic-review-and-meta-analysis
#3
REVIEW
Runzhen Zhao, Zhenlei Su, Jing Wu, Hong-Long Ji
BACKGROUND: Cell therapy holds the most promising for acute and chronic deleterious respiratory diseases. However, the safety and tolerance for lung disorders are controversy. METHODS: We undertook a systematic review and meta-analyses of all 23 clinical studies of cell therapy. The outcomes were odds ratio (OR), risk difference (RD), Peto OR, relative risk, and mean difference of serious adverse events. RESULTS: 342 systemic infusions and 57 bronchial instillations (204 recipients) of cells were analyzed for acute respiratory distress syndrome (ARDS), bronchopulmonary dysplasia, pulmonary arterial hypertension, silicosis, sarcoidosis, extensively drug-resistant tuberculosis, chronic obstructive pulmonary diseases (COPD), and idiopathic pulmonary fibrosis...
February 16, 2017: Oncotarget
https://www.readbyqxmd.com/read/28428115/p300-and-c-ebp%C3%AE-regulated-ikk%C3%AE-expression-are-involved-in-thrombin-induced-il-8-cxcl8-expression-in-human-lung-epithelial-cells
#4
Zheng-Wei Huang, Gi-Shih Lien, Chien-Huang Lin, Chun-Ping Jiang, Bing-Chang Chen
Asthma and chronic obstructive pulmonary disease (COPD) are common chronic lung inflammatory diseases. Thrombin and interleukin (IL)-8/C-X-C chemokine ligand 8 (CXCL8) play critical roles in lung inflammation. Our previous study showed that c-Src-dependent IκB kinase (IKK)/IκBα/nuclear factor (NF)-κB and mitogen-activated protein kinase kinase kinase 1 (MEKK1)/extracellular signal-regulated kinase (ERK)/ribosomal S6 protein kinase (RSK)-dependent CAAT/enhancer-binding protein β (C/EBPβ) activation are involved in thrombin-induced IL-8/CXCL8 expression in human lung epithelial cells...
April 17, 2017: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
https://www.readbyqxmd.com/read/28428003/rac1-signaling-regulates-cigarette-smoke-induced-inflammation-in-the-lung-via-the-erk1-2-mapk-and-stat3-pathways
#5
Jun-Xia Jiang, Shui-Juan Zhang, Hui-Juan Shen, Yan Guan, Qi Liu, Wei Zhao, Yong-Liang Jia, Jian Shen, Xiao-Feng Yan, Qiang-Min Xie
Cigarette smoke (CS) is a major risk factor for the development of chronic obstructive pulmonary disease (COPD). Our previous studies have indicated that Rac1 is involved in lipopolysaccharide-induced pulmonary injury and CS-mediated epithelial-mesenchymal transition. However, the contribution of Rac1 activity to CS-induced lung inflammation remains not fully clear. In this study, we investigated the regulation of Rac1 in CS-induced pulmonary inflammation. Mice or 16HBE cells were exposed to CS or cigarette smoke extract (CSE) to induce acute inflammation...
April 17, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28427541/long-term-safety-and-efficacy-of-glycopyrrolate-formoterol-metered-dose-inhaler-using-novel-co-suspension%C3%A2-delivery-technology-in-patients-with-chronic-obstructive-pulmonary-disease
#6
Nicola A Hanania, Donald P Tashkin, Edward M Kerwin, James F Donohue, Michael Denenberg, Denis E O'Donnell, Dean Quinn, Shahid Siddiqui, Chad Orevillo, Andrea Maes, Colin Reisner
BACKGROUND: The long-term safety and efficacy of a novel Co-Suspension™ Delivery Technology glycopyrrolate (GP)/formoterol fumarate (FF) 18/9.6 μg fixed-dose combination metered dose inhaler (GFF MDI) were investigated in a 28-week safety extension study (PINNACLE-3, NCT01970878) of two randomized controlled Phase III trials (PINNACLE-1 and -2; NCT01854645 and NCT01854658) in subjects with moderate-to-very severe chronic obstructive pulmonary disease (COPD). METHODS: Subjects completing 24 weeks' treatment with GFF MDI, GP MDI, FF MDI (all twice-daily) or open-label tiotropium 18 μg (once-daily) in PINNACLE-1 or -2 were randomly selected to continue treatment for 28 weeks...
May 2017: Respiratory Medicine
https://www.readbyqxmd.com/read/28424548/decreased-levels-of-irisin-a-skeletal-muscle-cell-derived-myokine-are-related-to-emphysema-associated-with-chronic-obstructive-pulmonary-disease
#7
Yukari Sugiyama, Kazuhisa Asai, Kazuhiro Yamada, Yuko Kureya, Naoki Ijiri, Tetsuya Watanabe, Hiroshi Kanazawa, Kazuto Hirata
BACKGROUND: Cigarette smoking-induced oxidant-antioxidant imbalance is a factor that contributes to the pathogenesis of COPD through epithelial cell apoptosis. Irisin is a skeletal muscle cell-derived myokine associated with physical activity. Irisin is also known to decrease oxidant-induced apoptosis in patients with diabetes mellitus. However, the correlation between irisin and emphysema in COPD and its role in epithelial cell apoptosis remains unknown. SUBJECTS AND METHODS: Forty patients with COPD were enrolled in this study...
2017: International Journal of Chronic Obstructive Pulmonary Disease
https://www.readbyqxmd.com/read/28424359/effects-of-combined-tiotropium-olodaterol-on-inspiratory-capacity-and-exercise-endurance-in-copd
#8
Denis E O'Donnell, Richard Casaburi, Peter Frith, Anne Kirsten, Dorothy De Sousa, Alan Hamilton, Wenqiong Xue, François Maltais
Two replicate, double-blind, 6-week, incomplete-crossover studies (MORACTO 1 and 2) assessed the effects of tiotropium/olodaterol on inspiratory capacity and exercise endurance time in patients with moderate to severe chronic obstructive pulmonary disease.For each patient, four of five treatments were administered once daily for 6 weeks, with a 21-day washout between treatments: tiotropium/olodaterol 2.5/5 µg or 5/5 µg, tiotropium 5 µg, olodaterol 5 µg or placebo, all via the Respimat inhaler...
April 2017: European Respiratory Journal: Official Journal of the European Society for Clinical Respiratory Physiology
https://www.readbyqxmd.com/read/28420371/effect-of-pulmonary-arteriovenous-malformations-on-the-mechanical-properties-of-the-lungs
#9
Cécile Rotenberg, Marcel Bonay, Mostafa El Hajjam, Sandra Blivet, Alain Beauchet, Pascal Lacombe, Thierry Chinet
BACKGROUND: Pulmonary arteriovenous malformations (PAVMs) are present in approximately 15-50% individuals with hereditary hemorrhagic telangiectasia (HHT). They may be isolated but more often are multiple. The goal of this study was to evaluate the influence of PAVMs on lung mechanical properties. METHODS: We reviewed the files of all adult patients (age ≥ 18 years) referred to our Center for evaluation of HHT between 2005 and 2013. The diagnosis of HHT was based on the Curacao criteria and/or the presence of a pathogenic mutation...
April 19, 2017: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/28419462/modeling-and-simulation-of-pivotal-clinical-trials-using-linked-models-for-multiple-endpoints-in-chronic-obstructive-pulmonary-disease-with-roflumilast
#10
Axel Facius, Andreas Krause, Laurent Claret, Rene Bruno, Gezim Lahu
Roflumilast is a selective phosphodiesterase 4 inhibitor (PDE4i) for the treatment of severe chronic obstructive pulmonary disease (COPD). In 2 large phase 3 trials in a broader population of COPD patients (BY217/M2-111, ClinicalTrials.gov: NCT00076089 and BY217/M2-112, ClinicalTrials.gov: NCT00430729), treatment with roflumilast reduced the rate of exacerbations; however, the reduction did not reach statistical significance. Two linked dose-response models for the primary (annualized COPD exacerbation counts) and secondary (change from baseline in forced expiratory volume in 1 second [FEV1 ]) end points were therefore developed to characterize and quantify effect sizes and the patient characteristics influencing them...
April 17, 2017: Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/28416794/stability-of-the-frequent-copd-exacerbator-in-the-general-population-a-danish-nationwide-register-based-study
#11
Mette Reilev, Jesper Lykkegaard, Anders Halling, Jørgen Vestbo, Jens Søndergaard, Anton Pottegård
Exacerbation frequency is central in treatment strategies for chronic obstructive pulmonary disease. However, whether chronic obstructive pulmonary disease patients from the general population with frequent exacerbations continue to have frequent exacerbations over an extended period of time is currently unknown. In this study, we aimed to investigate the stability of the frequent exacerbator in a population-based setting. To this end, we conducted a nationwide register-based descriptive study with a 10-year follow-up period of chronic obstructive pulmonary disease patients with at least one medically treated exacerbation in 2003...
April 17, 2017: NPJ Primary Care Respiratory Medicine
https://www.readbyqxmd.com/read/28416587/cardiovascular-outcomes-with-an-inhaled-beta2-agonist-corticosteroid-in-patients-with-copd-at-high-cardiovascular-risk
#12
Robert D Brook, Julie A Anderson, Peter Ma Calverley, Bartolome R Celli, Courtney Crim, Martin A Denvir, Sheldon Magder, Fernando J Martinez, Sanjay Rajagopalan, Jørgen Vestbo, Julie Yates, David E Newby
OBJECTIVES: Cardiovascular disease (CVD) and chronic obstructive pulmonary disease (COPD) often coexist. We assessed the effect of inhaled COPD treatments on CVD outcomes and safety in patients with COPD and at heightened CVD risk. METHODS: The SUMMIT (Study to Understand Mortality and MorbidITy) was a multicentre, randomised, double-blind, placebo-controlled, event-driven trial in 16 485 patients with moderate COPD who had or were at high risk of CVD. Here, we assessed the prespecified secondary endpoint of time to first on-treatment composite CVD event (CVD death, myocardial infarction, stroke, unstable angina or transient ischaemic attack (TIA)) by Cox regression and by clinician-reported CVD adverse events across the four groups: once-daily inhaled placebo (n=4111), long-acting beta2-agonist (vilanterol (VI) 25 µg; n=4118), corticosteroid (fluticasone furoate (FF) 100 µg; n=4135) and combination therapy (FF/VI; n=4121)...
April 17, 2017: Heart: Official Journal of the British Cardiac Society
https://www.readbyqxmd.com/read/28415011/design-and-synthesis-of-novel-xanthine-derivatives-as-potent-and-selective-a2b-adenosine-receptor-antagonists-for-the-treatment-of-chronic-inflammatory-airway-diseases
#13
Sujay Basu, Dinesh A Barawkar, Vidya Ramdas, Meena Patel, Yogesh Waman, Anil Panmand, Santosh Kumar, Sachin Thorat, Minakshi Naykodi, Arnab Goswami, B Srinivasa Reddy, Vandna Prasad, Sandhya Chaturvedi, Azfar Quraishi, Suraj Menon, Shalini Paliwal, Abhay Kulkarni, Vikas Karande, Indraneel Ghosh, Syed Mustafa, Siddhartha De, Vaibhav Jain, Ena Ray Banerjee, Sreekanth R Rouduri, Venkata P Palle, Anita Chugh, Kasim A Mookhtiar
Adenosine induces bronchial hyperresponsiveness and inflammation in asthmatics through activation of A2B adenosine receptor (A2BAdoR). Selective antagonists have been shown to attenuate airway reactivity and improve inflammatory conditions in pre-clinical studies. Hence, the identification of novel, potent and selective A2BAdoR antagonist may be beneficial for the potential treatment of asthma and Chronic Obstructive Pulmonary Disease (COPD). Towards this effort, we explored several prop-2-ynylated C8-aryl or heteroaryl substitutions on xanthine chemotype and found that 1-prop-2-ynyl-1H-pyrazol-4-yl moiety was better tolerated at the C8 position...
April 12, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28414029/how-well-does-capture%C3%A2-translate-an-exploratory-analysis-of-a-copd-case-finding-method-for-spanish-speaking-patients
#14
Wilson A Quezada, Beth A Whippo, Patricia A Jellen, Nancy K Leidy, David Mannino, Katherine J Kim, MeiLan K Han, Julia F Houfek, Barry Make, Karen G Malley, Catherine A Meldrum, Stephen Rennard, Barbara P Yawn, Fernando Martinez, Byron M Thomashow
BACKGROUND: This study tested the properties of a Spanish translation of CAPTURE™ (COPD Assessment in Primary Care To Identify Undiagnosed Respiratory Disease and Exacerbation Risk) with selective use of peak expiratory flow (PEF). METHODS: Analyses of data from the Spanish-speaking cohort of the cross-sectional, case-control study used to develop CAPTURE. Translation procedures included forward and backward translation, reconciliation, and cognitive interviewing to assure linguistic and cultural equivalence...
April 13, 2017: Chest
https://www.readbyqxmd.com/read/28413497/antibiotic-de-escalation-principle-in-elderly-patients-with-chronic-obstructive-pulmonary-disease-complicated-with-severe-pneumonia
#15
Baohong Xiao, Mei Wang, Xiaoling Hu, Jinfeng Li, Fangfang Wang, Jiaxing Sun
The present study investigated the clinical effect of antibiotic de-escalation therapy in elderly patients with chronic obstructive pulmonary disease (COPD) complicated with severe pneumonia. According to the parity method of hospitalization number, 86 cases were selected and divided into the observation and control group with 43 cases each. Based on empirical antibiotic application, levofloxacin and cephalosporin antibiotics were used in the control group. After treatment for 3 days, the regimen was adjusted to antibiotics active against Gram-positive (G+) and Gram-negative (G-) bacteria such as the third or fourth generation cephalosporin antibiotics, combined with aminoglycoside, or macrolide antibiotics according to their effects...
April 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28409593/chronic-obstructive-pulmonary-disease-diagnosis-and-management
#16
Shari Gentry, Barry Gentry
The diagnosis of chronic obstructive pulmonary disease (COPD) should be suspected in patients with risk factors (primarily a history of smoking) who report dyspnea at rest or with exertion, chronic cough with or without sputum production, or a history of wheezing. COPD may be suspected based on findings from the history and physical examination, but must be confirmed by spirometry to detect airflow obstruction. Findings that are most helpful to rule in COPD include a smoking history of more than 40 pack-years, a self-reported history of COPD, maximal laryngeal height, and age older than 45 years...
April 1, 2017: American Family Physician
https://www.readbyqxmd.com/read/28409477/ethnic-differences-in-persistence-with-copd-medications-a-register-based-study
#17
Yusun Hu, Lourdes Cantarero-Arévalo, Anne Frølich, Ramune Jacobsen
BACKGROUND: Long-acting bronchodilators (LABDs) are recommended as a first-line maintenance therapy in patients with moderate or severe chronic obstructive pulmonary disease (COPD). The aim of the study was to explore potential ethnic differences in persistence with LABD in COPD patients. METHODS: A cohort of COPD patients diagnosed in 2003-2007 in Copenhagen, Denmark, was followed for 2 years in the Danish national registers. According to the number of the LABD medications dispensed, individuals were categorized into three therapy groups: monotherapy, drug combination therapy, and multiple drug therapy...
April 13, 2017: Journal of Racial and Ethnic Health Disparities
https://www.readbyqxmd.com/read/28409208/inhibitors-of-ceramide-de-novo-biosynthesis-rescue-damages-induced-by-cigarette-smoke-in-airways-epithelia
#18
Aida Zulueta, Anna Caretti, Giuseppe Matteo Campisi, Andrea Brizzolari, Jose Luis Abad, Rita Paroni, Paola Signorelli, Riccardo Ghidoni
Exposure to cigarette smoke represents the most important risk factor for the development of chronic obstructive pulmonary disease (COPD). COPD is characterized by chronic inflammation of the airways, imbalance of proteolytic activity resulting in the destruction of lung parenchyma, alveolar hypoxia, oxidative stress, and apoptosis. Sphingolipids are structural membrane components whose metabolism is altered during stress. Known as apoptosis and inflammation inducer, the sphingolipid ceramide was found to accumulate in COPD airways and its plasma concentration increased as well...
April 13, 2017: Naunyn-Schmiedeberg's Archives of Pharmacology
https://www.readbyqxmd.com/read/28409004/effect-of-%C3%AE-blockade-on-lung-function-exercise-performance-and-dynamic-hyperinflation-in-people-with-arterial-vascular-disease-with-and-without-copd
#19
Angela Key, Matthew Parry, Malcolm A West, Rebecca Asher, Sandy Jack, Nick Duffy, Francesco Torella, Paul P Walker
INTRODUCTION: β Blockers are important treatment for ischaemic heart disease and heart failure; however, there has long been concern about their use in people with chronic obstructive pulmonary disease (COPD) due to fear of symptomatic worsening of breathlessness. Despite growing evidence of safety and efficacy, they remain underused. We examined the effect of β-blockade on lung function, exercise performance and dynamic hyperinflation in a group of vascular surgical patients, a high proportion of who were expected to have COPD...
2017: BMJ Open Respiratory Research
https://www.readbyqxmd.com/read/28408945/recuperating-lung-decoction-attenuates-the-oxidative-stress-state-of-chronic-obstructive-pulmonary-disease-by-inhibiting-the-mapk-ap-1-signal-pathway-and-regulating-%C3%AE-gcs
#20
Chunlei Li, Qi Shi, Yue Yan, Yanhua Kong, YanYan Meng, Tiezhu Wang, Xing Zhang, Haipeng Bao, Youlin Li
Purpose/Objective. To evaluate the effects of Recuperating Lung Decoction (RLD) on the indices of oxidative stress in a rat model of COPD and detect the indices of the MAPK/AP-1/γ-GCS signal pathway for a further survey of the possible targeting site of RLD. Methods/Materials. The rats of COPD were treated with RLD. The protein levels of glutathione (GSH), oxidized glutathione (GSSG), 8-hydroxy-2-deoxyguanosine (8-OHdG), and 4-hydroxynonenal (4-HNE) were measured. In addition, the levels of key signaling molecules (extracellular signal-regulated kinases [ERK], the c-jun N-terminal kinase [JNKs signal pathway], and p38 MAP kinase [p38MAPK], AP-1 proteins [C-fos, C-jun], and γ-glutamyl-cysteine synthetase [γ-GCS-h]) of the MAPK/AP-1/γ-GCS-h signal pathway were assessed...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
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