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https://www.readbyqxmd.com/read/28108847/airway-mucus-inflammation-and-remodeling-emerging-links-in-the-pathogenesis-of-chronic-lung-diseases
#1
REVIEW
Zhe Zhou-Suckow, Julia Duerr, Matthias Hagner, Raman Agrawal, Marcus A Mall
Airway mucus obstruction is a hallmark of many chronic lung diseases including rare genetic disorders such as cystic fibrosis (CF) and primary ciliary dyskinesia, as well as common lung diseases such as asthma and chronic obstructive pulmonary disease (COPD), which have emerged as a leading cause of morbidity and mortality worldwide. However, the role of excess airway mucus in the in vivo pathogenesis of these diseases remains poorly understood. The generation of mice with airway-specific overexpression of epithelial Na(+) channels (ENaC), exhibiting airway surface dehydration (mucus hyperconcentration), impaired mucociliary clearance (MCC) and mucus plugging, led to a model of muco-obstructive lung disease that shares key features of CF and COPD...
January 20, 2017: Cell and Tissue Research
https://www.readbyqxmd.com/read/28044437/body-mass-index-change-in-gastrointestinal-cancer-and-chronic-obstructive-pulmonary-disease-is-associated-with-dedicator-of-cytokinesis-1
#2
Merry-Lynn Noelle McDonald, Sungho Won, Manuel Mattheisen, Peter J Castaldi, Michael H Cho, Erica Rutten, Megan Hardin, Wai-Ki Yip, Stephen I Rennard, David A Lomas, Emiel F M Wouters, Alvar Agusti, Richard Casaburi, Christoph P Lange, George O'Connor, Craig P Hersh, Edwin K Silverman
BACKGROUND: There have been a number of candidate gene association studies of cancer cachexia-related traits, but no genome-wide association study (GWAS) has been published to date. Cachexia presents in patients with a number of complex traits, including both cancer and COPD. The objective of the current investigation was to search for a shared genetic aetiology for change in body mass index (ΔBMI) among cancer and COPD by using GWAS data in the Framingham Heart Study. METHODS: A linear mixed effects model accounting for age, sex, and change in smoking status was used to calculate ΔBMI in participants over 40 years of age with three consecutive BMI time points (n = 4162)...
January 2, 2017: Journal of Cachexia, Sarcopenia and Muscle
https://www.readbyqxmd.com/read/28024128/-pathogenesis-diagnosis-and-treatment-of-chronic-obstructive-pulmonary-disease-in-the-light-of-new-research
#3
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/28009152/lung-tumors-copd-and-immune-response-is-epigenetics-the-bottom-line
#4
Elisabetta Balestro, Simonetta Baraldo, Davide Piloni, Giulia M Stella
NSCLC is a heterogeneous disorder consisting of distinct molecular subtypes which can be treated by using specific drugs targeted to distinct genetic lesions. It is well known that NSCLS incidence is higher in chronic obstructive pulmonary disease (COPD) patients because they share a common risk factor (cigarette smoking) and it is believed that the typical inflammatory microenvironment observed in COPD may influence the molecular mechanisms responsible of carcinogenesis. In the last years, the role of epigenetic processes in cell biology and tissue pathology has been extensively studied both in COPD and NSCLC...
December 2016: Minerva Medica
https://www.readbyqxmd.com/read/28005431/lung-development-and-aging
#5
Andrew Bush
The onset of chronic obstructive pulmonary disease (COPD) can arise either from failure to attain the normal spirometric plateau or from an accelerated decline in lung function. Despite reports from numerous big cohorts, no single adult life factor, including smoking, accounts for this accelerated decline. By contrast, five childhood risk factors (maternal and paternal asthma, maternal smoking, childhood asthma and respiratory infections) are strongly associated with an accelerated rate of lung function decline and COPD...
December 2016: Annals of the American Thoracic Society
https://www.readbyqxmd.com/read/27998420/-a-review-on-the-genetic-risk-factors-of-chronic-obstructive-pulmonary-disease
#6
M Y Wang, D J Liu, H Huang, T Wu, W H Cao, L M Li
Chronic obstructive pulmonary disease (COPD) refers to a common complex disease characterized by progressive and incomplete reversible airflow limitation. COPD is one of the leading causes on morbidity and mortality in China. Genetic risk factors play important roles on the occurrence of COPD. However, the genetic risk factors of COPD remain unknown, to some extent. The aim of this review is to provide a comprehensive overview on literature concerning the most promising findings related to genetic risk factors of COPD...
December 10, 2016: Zhonghua Liu Xing Bing Xue za Zhi, Zhonghua Liuxingbingxue Zazhi
https://www.readbyqxmd.com/read/27998018/genetic-polymorphism-of-heme-oxygenase-1-promoter-in-the-occurrence-and-severity-of-chronic-obstructive-pulmonary-disease-a-meta-analysis
#7
Hongbin Zhou, Xiwang Ying, Yuanshun Liu, Sa Ye, Jianping Yan, Yaqing Li
Heme oxygenase 1 (HMOX1) plays an important role in the development of chronic obstructive pulmonary disease (COPD). However, the association of HMOX1 length polymorphism in promoter region to the risk and severity of COPD has not been well studied. In this study, we searched the databases including PubMed, EMBASE, Cochrane Library and China National Knowledge Infrastructure (CNKI) and extracted the information from related articles. Pooled odds ratios (ORs) and 95% confidence intervals (CIs) were calculated to study the effect of HMOX1 polymorphism on the risk and severity of COPD...
December 20, 2016: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/27989445/the-objective-identification-and-quantification-of-interstitial-lung-abnormalities-in-smokers
#8
Samuel Y Ash, Rola Harmouche, James C Ross, Alejandro A Diaz, Gary M Hunninghake, Rachel K Putman, Jorge Onieva, Fernando J Martinez, Augustine M Choi, David A Lynch, Hiroto Hatabu, Ivan O Rosas, Raul San Jose Estepar, George R Washko
RATIONALE AND OBJECTIVES: Previous investigation suggests that visually detected interstitial changes in the lung parenchyma of smokers are highly clinically relevant and predict outcomes, including death. Visual subjective analysis to detect these changes is time-consuming, insensitive to subtle changes, and requires training to enhance reproducibility. Objective detection of such changes could provide a method of disease identification without these limitations. The goal of this study was to develop and test a fully automated image processing tool to objectively identify radiographic features associated with interstitial abnormalities in the computed tomography scans of a large cohort of smokers...
December 15, 2016: Academic Radiology
https://www.readbyqxmd.com/read/27986496/medical-diagnostics-for-indoor-mold-exposure
#9
REVIEW
Julia Hurraß, Birger Heinzow, Ute Aurbach, Karl-Christian Bergmann, Albrecht Bufe, Walter Buzina, Oliver A Cornely, Steffen Engelhart, Guido Fischer, Thomas Gabrio, Werner Heinz, Caroline E W Herr, Jörg Kleine-Tebbe, Ludger Klimek, Martin Köberle, Herbert Lichtnecker, Thomas Lob-Corzilius, Rolf Merget, Norbert Mülleneisen, Dennis Nowak, Uta Rabe, Monika Raulf, Hans Peter Seidl, Jens-Oliver Steiß, Regine Szewszyk, Peter Thomas, Kerttu Valtanen, Gerhard A Wiesmüller
In April 2016, the German Society of Hygiene, Environmental Medicine and Preventative Medicine (Gesellschaft für Hygiene, Umweltmedizin und Präventivmedizin (GHUP)) together with other scientific medical societies, German and Austrian medical societies, physician unions and experts has provided an AWMF (Association of the Scientific Medical Societies) guideline 'Medical diagnostics for indoor mold exposure'. This guideline shall help physicians to advise and treat patients exposed indoors to mold. Indoor mold growth is a potential health risk, even without a quantitative and/or causal association between the occurrence of individual mold species and health effects...
December 5, 2016: International Journal of Hygiene and Environmental Health
https://www.readbyqxmd.com/read/27982104/pharmacological-and-genetic-reappraisals-of-protease-and-oxidative-stress-pathways-in-a-mouse-model-of-obstructive-lung-diseases
#10
Tsuyoshi Shuto, Shunsuke Kamei, Hirofumi Nohara, Haruka Fujikawa, Yukihiro Tasaki, Takuya Sugahara, Tomomi Ono, Chizuru Matsumoto, Yuki Sakaguchi, Kasumi Maruta, Ryunosuke Nakashima, Taisei Kawakami, Mary Ann Suico, Yoshitaka Kondo, Akihito Ishigami, Toru Takeo, Ken-Ichiro Tanaka, Hiroshi Watanabe, Naomi Nakagata, Kohei Uchimura, Kenichiro Kitamura, Jian-Dong Li, Hirofumi Kai
Protease-antiprotease imbalance and oxidative stress are considered to be major pathophysiological hallmarks of severe obstructive lung diseases including chronic obstructive pulmonary disease (COPD) and cystic fibrosis (CF), but limited information is available on their direct roles in the regulation of pulmonary phenotypes. Here, we utilized βENaC-transgenic (Tg) mice, the previously established mouse model of severe obstructive lung diseases, to produce lower-mortality but pathophysiologically highly useful mouse model by backcrossing the original line with C57/BL6J mice...
December 16, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27900789/a-general-approach-to-testing-for-pleiotropy-with-rare-and-common-variants
#11
Sharon M Lutz, Tasha E Fingerlin, John E Hokanson, Christoph Lange
Through genome-wide association studies, numerous genes have been shown to be associated with multiple phenotypes. To determine the overlap of genetic susceptibility of correlated phenotypes, one can apply multivariate regression or dimension reduction techniques, such as principal components analysis, and test for the association with the principal components of the phenotypes rather than the individual phenotypes. However, as these approaches test whether there is a genetic effect for at least one of the phenotypes, a significant test result does not necessarily imply pleiotropy...
November 30, 2016: Genetic Epidemiology
https://www.readbyqxmd.com/read/27891067/are-healthy-smokers-really-healthy
#12
REVIEW
Zijing Zhou, Ping Chen, Hong Peng
Cigarette smoke contains more than 4500 chemicals which have toxic, mutagenic and carcinogenic effects. Strong evidences have shown that current smokers take a significantly higher risk of cardiovascular diseases, chronic obstructive pulmonary disease (COPD) and lung cancer than nonsmokers. However, less attention has been paid to the smoking induced abnormalities in the individuals defined as healthy smokers who are normal with spirometry, radiographic images, routine physical exam and categorized as healthy control group in many researches...
2016: Tobacco Induced Diseases
https://www.readbyqxmd.com/read/27886851/the-role-of-necroptosis-in-pulmonary-diseases
#13
REVIEW
Kenji Mizumura, Shuichiro Maruoka, Yasuhiro Gon, Augustine M K Choi, Shu Hashimoto
By regulating the cell number and eliminating harmful cells, programmed cell death plays a critical role in development, homeostasis, and disease. While apoptosis is a recognized form of programmed cell death, necrosis was considered a type of uncontrolled cell death induced by extreme physical or chemical stress. However, recent studies have revealed the existence of a genetically programmed and regulated form of necrosis, termed necroptosis. Necroptosis is defined as necrotic cell death that is dependent on receptor-interacting protein kinase 3 (RIPK3)...
November 2016: Respiratory Investigation
https://www.readbyqxmd.com/read/27885911/end-of-life-prognostic-indicators-in-patients-with-copd-part-2
#14
Andy Parry, Ray Higginson, Aoife Gleeson
In the UK, chronic respiratory diseases cause 13% of adult disability. The major chronic respiratory disease is chronic obstructive pulmonary disease (COPD), a condition involving chronic airway inflammation that causes airflow obstruction and destruction of lung tissue. This leads to a progressive loss of respiratory membrane, which accounts for the clinical manifestation of COPD, which is difficulty maintaining sufficient gas exchange to meet metabolic demands. The primary cause is smoking, with the vast majority of COPD patients having a past or present history of smoking...
November 2, 2016: International Journal of Palliative Nursing
https://www.readbyqxmd.com/read/27878470/%C3%AE-2-agonists
#15
Charlotte K Billington, Raymond B Penn, Ian P Hall
History suggests β agonists, the cognate ligand of the β2 adrenoceptor, have been used as bronchodilators for around 5,000 years, and β agonists remain today the frontline treatment for asthma and chronic obstructive pulmonary disease (COPD). The β agonists used clinically today are the products of significant expenditure and over 100 year's intensive research aimed at minimizing side effects and enhancing therapeutic usefulness. The respiratory physician now has a therapeutic toolbox of long acting β agonists to prophylactically manage bronchoconstriction, and short acting β agonists to relieve acute exacerbations...
November 23, 2016: Handbook of Experimental Pharmacology
https://www.readbyqxmd.com/read/27875557/socioeconomic-status-and-poor-health-outcome-at-10-years-of-follow-up-in-the-multi-ethnic-study-of-atherosclerosis
#16
Steven Shea, Joao Lima, Ana Diez-Roux, Neal W Jorgensen, Robyn L McClelland
BACKGROUND/OBJECTIVES: Predictors of healthy aging have not been well-studied using longitudinal data with demographic, clinical, subclinical, and genetic information. The objective was to identify predictors of poor health outcome at 10 years of follow-up in the Multi-Ethnic Study of Atherosclerosis (MESA). DESIGN: Prospective cohort study. SETTING: Population-based sample from 6 U.S. communities. PARTICIPANTS: 4,355 participants In the MESA Study...
2016: PloS One
https://www.readbyqxmd.com/read/27857848/the-effect-of-%C3%AE-1-antitrypsin-deficiency-combined-with-increased-bacterial-loads-on-chronic-obstructive-pulmonary-disease-pharmacotherapy-a-prospective-parallel-controlled-pilot-study
#17
Marwa G Hennawy, Noha M Elhosseiny, Hussein Sultan, Wael Abdelfattah, Yousry Akl, Nirmeen A Sabry, Ahmed S Attia
Chronic obstructive pulmonary disease (COPD) is caused by α1-antitrypsin deficiency (AATD) genetic susceptibility and exacerbated by infection. The current pilot study aimed at studying the combined effect of AATD and bacterial loads on the efficacy of COPD conventional pharmacotherapy. Fifty-nine subjects (29 controls and 30 COPD patients) were tested for genetic AATD and respiratory function. The bacterial loads were determined to the patients' group who were then given a long acting beta-agonist and corticosteroid inhaler for 6 months...
November 2016: Journal of Advanced Research
https://www.readbyqxmd.com/read/27854507/sex-based-genetic-association-study-identifies-celsr1-as-a-possible-copd-risk-locus-among-women
#18
Megan Hardin, Michael H Cho, Sunita S Sharma, Kimberly Glass, Peter J Castaldi, Merry-Lynn McDonald, Hugues Aschard, Jody Senter-Sylvia, Kelan Tantisira, Scott T Weiss, Craig P Hersh, Jarrett D Morrow, David Lomas, Alvar Agusti, Per Bakke, Amund Gulsvik, George T O'Connor, Josée Dupuis, John Hokanson, James Crapo, Terri H Beaty, Nan Laird, Edwin K Silverman, Dawn L DeMeo
BACKGROUND: Chronic Obstructive Pulmonary Disease (COPD) is a complex disease with strong environmental and genetic influences and sexually dimorphic features. Although genetic risk factors for COPD have been identified, much of the heritability remains unexplained. Sex-based genetic association studies may uncover additional COPD genetic risk factors. METHODS: We studied current and former smokers from COPD case-control cohorts (COPDGene non-Hispanic whites and African Americans, ECLIPSE, and GenKOLS)...
November 17, 2016: American Journal of Respiratory Cell and Molecular Biology
https://www.readbyqxmd.com/read/27835950/targeted-high-throughput-sequencing-of-candidate-genes-for-chronic-obstructive-pulmonary-disease
#19
Hans Matsson, Cilla Söderhäll, Elisabet Einarsdottir, Maxime Lamontagne, Sanna Gudmundsson, Helena Backman, Anne Lindberg, Eva Rönmark, Juha Kere, Don Sin, Dirkje S Postma, Yohan Bossé, Bo Lundbäck, Joakim Klar
BACKGROUND: Reduced lung function in patients with chronic obstructive pulmonary disease (COPD) is likely due to both environmental and genetic factors. We report here a targeted high-throughput DNA sequencing approach to identify new and previously known genetic variants in a set of candidate genes for COPD. METHODS: Exons in 22 genes implicated in lung development as well as 61 genes and 10 genomic regions previously associated with COPD were sequenced using individual DNA samples from 68 cases with moderate or severe COPD and 66 controls matched for age, gender and smoking...
November 11, 2016: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/27830153/genetic-polymorphism-of-angiotensin-converting-enzyme-and-chronic-obstructive-pulmonary-disease-risk-an-updated-meta-analysis
#20
REVIEW
Sang Wook Kang, Su Kang Kim, Joo-Ho Chung, Hee-Jae Jung, Kwan-Il Kim, Jinju Kim, Ju Yeon Ban
The relationship between polymorphism of the angiotensin I converting enzyme (ACE) gene and chronic obstructive pulmonary disease (COPD) has been examined in many previous studies. However, their results were controversial. Therefore, we performed a meta-analysis to evaluate the relationship between the ACE gene and the risk of COPD. Fourteen case-control studies were included in this meta-analysis. The pooled p value, odds ratio (OR), and 95% confidence interval (95% CI) were used to investigate the strength of the association...
2016: BioMed Research International
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