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https://www.readbyqxmd.com/read/28435243/peripheral-leukocyte-micrornas-as-novel-biomarkers-for-copd
#1
Ruiying Wang, Jianying Xu, Hu Liu, Zhiping Zhao
COPD is a multifactorial disease caused by environmental determinants as well as genetic risk factors. The prevalence and mortality of COPD continue to increase, and underdiagnosis of COPD remains a critical issue. Previous reports investigated promising microRNAs (miRNAs) to reveal the molecular mechanism for the development of COPD; however, diagnostic and therapeutic markers for COPD have not yet been found. For this study, 20 representative COPD patients were separated into four groups based on increasing severity (A, B, C, and D) and compared to six healthy controls...
2017: International Journal of Chronic Obstructive Pulmonary Disease
https://www.readbyqxmd.com/read/28427967/mechanisms-underlying-hiv-associated-non-infectious-lung-disease
#2
REVIEW
Rachel M Presti, Sonia C Flores, Brent E Palmer, Jeffrey J Atkinson, Catherine R Lesko, Bryan Lau, Andrew P Fontenot, Jesse Roman, John F McDyer, Homer L Twigg
Pulmonary disease remains a primary source of morbidity and mortality in persons living with HIV (PLWH), although the advent of potent combination antiretroviral therapy (cART) has resulted in a shift from predominantly infectious to noninfectious pulmonary complications. PLWH are at high risk for chronic obstructive pulmonary disease, pulmonary hypertension, and lung cancer even in the era of cART. The underlying mechanisms of this are incompletely understood, but recent research in both human and animal models suggest that oxidative stress, expression of matrix metalloproteinases, and genetic instability may result in lung damage which predisposes PLWH to these conditions...
April 17, 2017: Chest
https://www.readbyqxmd.com/read/28424613/the-relationship-between-cerebral-small-vessel-disease-hippocampal-volume-and-cognitive-functioning-in-patients-with-copd-an-mri-study
#3
Fiona A H M Cleutjens, Rudolf W H M Ponds, Martijn A Spruit, Saartje Burgmans, Heidi I L Jacobs, Ed H B M Gronenschild, Julie Staals, Frits M E Franssen, Jeanette B Dijkstra, Lowie E G W Vanfleteren, Paul A Hofman, Emiel F M Wouters, Daisy J A Janssen
The neural correlates of cognitive impairment in chronic obstructive pulmonary disease (COPD) are not yet understood. Structural brain abnormalities could possibly be associated with the presence of cognitive impairment through cigarette smoke, inflammation, vascular disease, or hypoxemia in these patients. This study aimed to investigate whether macrostructural brain magnetic resonance imaging (MRI) features of cerebral small vessel disease (SVD) and hippocampal volume (HCV) are related to cognitive performance in patients with COPD...
2017: Frontiers in Aging Neuroscience
https://www.readbyqxmd.com/read/28416015/costs-and-health-related-quality-of-life-in-alpha-1-antitrypsin-deficient-copd-patients
#4
Florian M Karl, Rolf Holle, Robert Bals, Timm Greulich, Rudolf A Jörres, Annika Karch, Armin Koch, Stefan Karrasch, Reiner Leidl, Holger Schulz, Claus Vogelmeier, Margarethe E Wacker
BACKGROUND: Alpha-1-Antitrypsin Deficiency (AATD) is an economically unexplored genetic disease. METHODS: Direct and indirect costs (based on self-reported information on healthcare utilization) and health-related quality of life (HRQL, as assessed by SGRQ, CAT, and EQ-5D-3 L) were compared between 131 AATD patients (106 with, 25 without augmentation therapy (AT)) and 2,049 COPD patients without AATD participating in the COSYCONET COPD cohort. The medication costs of AT were excluded from all analyses to reveal differences associated with morbidity profiles...
April 17, 2017: Respiratory Research
https://www.readbyqxmd.com/read/28410559/the-irony-of-iron-overload-and-iron-deficiency-in-chronic-obstructive-pulmonary-disease
#5
Suzanne M Cloonan, Sharon Mumby, Ian M Adcock, Augustine M K Choi, Kian Fan Chung, Gregory J Quinlan
Chronic obstructive pulmonary disease (COPD) is a debilitating inflammatory lung disease associated with cigarette smoking and is third leading cause of death worldwide. With the recent emergence of genome wide association studies (GWAS), the identification of multiple COPD susceptibility genes has enhanced and expanded our understanding of the pathogenic mechanisms associated with this debilitating lung disease. An example of such a pathogenic mechanism is the role of iron metabolism in the onset and progression of COPD...
April 14, 2017: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/28406124/comparison-of-patients-with-and-without-intellectual-disability-under-general-anesthesia-a-retrospective-study
#6
T Sitilci, S Demirgan, C Akcay, N Kahraman, B G Koseoglu, M A Erdem, A B Cankaya
BACKGROUND AND PURPOSE: We analyzed and retrospectively compared patients with and without intellectual disability (ID) who underwent oral surgery under general anesthesia at Istanbul University, Faculty of Dentistry, Department of General Anesthesia, between October 2012 and June 2013 with regard to the following categories: Demographic features, American Society of Anesthesiologists (ASA) classification, Mallampati score, type of anesthetic drug used during the operation, type of intubation used, any difficulties with tracheal intubation, presence of systemic diseases, and recovery times after ending general anesthesia...
April 2017: Nigerian Journal of Clinical Practice
https://www.readbyqxmd.com/read/28380308/alpha-1-antitrypsin-pi-mz-genotype-is-associated-with-copd-in-two-racial-groups
#7
Marilyn G Foreman, Carla Wilson, Dawn L DeMeo, Craig P Hersh, Terri H Beaty, Michael H Cho, John Ziniti, Douglas Curran-Everett, Gerard Criner, John E Hokanson, Mark Brantly, Farshid N Rouhani, Robert A Sandhaus, James D Crapo, Edwin K Silverman
RATIONALE: Alpha-1 antitrypsin deficiency, primarily caused by homozygosity for the Z allele of the SERPINA1 gene, is a well-established genetic cause of chronic obstructive pulmonary disease (COPD). Whether the heterozygous PI MZ genotype for alpha-1 antitrypsin confers increased risk for COPD has been debated. OBJECTIVES: We analyzed 8271 subjects in the COPDGene Study, hypothesizing that PI MZ would independently associate with COPD and COPD-related phenotypes...
April 5, 2017: Annals of the American Thoracic Society
https://www.readbyqxmd.com/read/28371857/association-of-the-dbh-polymorphism-rs3025343-with-smoking-cessation-in-a-large-population-based-sample
#8
Katariina Hirvonen, Tellervo Korhonen, Veikko Salomaa, Satu Männistö, Jaakko Kaprio
Introduction: Genetic variations in DBH-gene and its surroundings have been shown to associate with smoking behavior including smoking cessation in several studies. In this study we replicate and measure the effect size for association between DBH polymorphism rs3025343 and smoking cessation in a large population-based sample while examining environmental factors that could relate to the association. Methods: We studied 11,926 adult subjects from four surveys of the National FINRISK Study...
March 22, 2017: Nicotine & Tobacco Research: Official Journal of the Society for Research on Nicotine and Tobacco
https://www.readbyqxmd.com/read/28366820/immune-related-gene-polymorphisms-in-pulmonary-diseases
#9
REVIEW
Dhirendra P Singh, Prathyusha Bagam, Malaya K Sahoo, Sanjay Batra
Between the DNA sequences of two randomly-selected human genomes, which consist of over 3 billion base pairs and twenty five thousand genes, there exists only 0.1% variation and 99.9% sequence identity. During the last couple of decades, extensive genome-wide studies have investigated the association between single-nucleotide polymorphisms (SNPs), the most common DNA variations, and susceptibility to various diseases. Because the immune system's primary function is to defend against myriad infectious agents and diseases, the large number of people who escape serious infectious diseases underscores the tremendous success of this system at this task...
March 30, 2017: Toxicology
https://www.readbyqxmd.com/read/28360516/association-between-rtel1-gene-polymorphisms-and-copd-susceptibility-in-a-chinese-han-population
#10
Yipeng Ding, Heping Xu, Jinjian Yao, Dongchuan Xu, Ping He, Shengyang Yi, Quanni Li, Yuanshui Liu, Cibing Wu, Zhongjie Tian
OBJECTIVE: We investigated the association between single-nucleotide polymorphisms in regulation of telomere elongation helicase 1 (RTEL1), which has been associated with telomere length in several brain cancers and age-related diseases, and the risk of chronic obstructive pulmonary disease (COPD) in a Chinese Han population. METHODS: In a case-control study that included 279 COPD cases and 290 healthy controls, five single-nucleotide polymorphisms in RTEL1 were selected and genotyped using the Sequenom MassARRAY platform...
2017: International Journal of Chronic Obstructive Pulmonary Disease
https://www.readbyqxmd.com/read/28335732/lung-function-associated-gene-integrator-complex-subunit-12-regulates-protein-synthesis-pathways
#11
Alexander K Kheirallah, Cornelia H de Moor, Alen Faiz, Ian Sayers, Ian P Hall
BACKGROUND: Genetic studies of human lung function and Chronic Obstructive Pulmonary Disease have identified a highly significant and reproducible signal on 4q24. It remains unclear which of the two candidate genes within this locus may regulate lung function: GSTCD, a gene with unknown function, and/or INTS12, a member of the Integrator Complex which is currently thought to mediate 3'end processing of small nuclear RNAs. RESULTS: We found that, in lung tissue, 4q24 polymorphisms associated with lung function correlate with INTS12 but not neighbouring GSTCD expression...
March 23, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28331304/does-urinary-peptide-content-differ-between-copd-patients-with-and-without-inherited-alpha-1-antitrypsin-deficiency
#12
Alfonso Carleo, Joanna Chorostowska-Wynimko, Thomas Koeck, Harald Mischak, Małgorzata Czajkowska-Malinowska, Adriana Rozy, Tobias Welte, Sabina Janciauskiene
Differentiating between chronic obstructive pulmonary disease (COPD) patients with normal (PiMM) or deficient (PiZZ) genetic variants of alpha-1 antitrypsin (A1AT) is important not only for understanding the pathobiology of disease progression but also for improving personalized therapies. This pilot study aimed to investigate whether urinary peptides reflect the A1AT-related phenotypes of COPD. Urine samples from 19 clinically stable COPD cases (7 PiMM and 12 PiZZ A1AT) were analyzed by capillary electrophoresis coupled to mass spectrometry...
2017: International Journal of Chronic Obstructive Pulmonary Disease
https://www.readbyqxmd.com/read/28327457/beta2-adrenergic-receptor-gene-haplotypes-and-bronchodilator-response-in-egyptian-patients-with-chronic-obstructive-pulmonary-disease
#13
Mohammad H Hussein, Khaled E Sobhy, Irene M Sabry, Ahmed T El Serafi, Eman A Toraih
PURPOSE: Chronic obstructive pulmonary disease (COPD) is a multi-factorial disorder caused by environmental determinants and genetic risk factors. Understanding the genetic predisposition of COPD is essential to develop personalized treatment regimens. Beta2-adrenergic receptor (ADRB2) gene polymorphisms have been implicated in the pathogenesis of obstructive pulmonary diseases. This study was conducted to assess the genetic association between Arg16Gly and Gln27Glu polymorphisms and COPD in the Egyptian patients, and to analyze their impact on the clinical outcome and therapeutic response...
March 16, 2017: Advances in Medical Sciences
https://www.readbyqxmd.com/read/28306355/alpha-1-antitrypsin-deficiency-disease-management-and-learning-from-studies
#14
Timm Greulich
Alpha-1-antitrypsin deficiency (AATD) is one of the most frequent genetic causes of liver and lung diseases. Despite its known association with chronic obstructive pulmonary disease (COPD), AATD is largely unrecognised and underdiagnosed. Cases of AATD exist within every COPD or spirometry population but must be actively investigated. AATD is a laboratory diagnosis that must be confirmed by a blood test. A number of clinical 'clues' can raise suspicion of AATD, potentially facilitating earlier diagnosis and initiation of appropriate treatment...
March 15, 2017: COPD
https://www.readbyqxmd.com/read/28302109/interaction-of-cd14-haplotypes-and-soluble-cd14-on-pulmonary-function-in-agricultural-workers
#15
Tricia D LeVan, Lynette M Smith, Art J Heires, Ted R Mikuls, Jane L Meza, Lisa A Weissenburger-Moser, Debra J Romberger
BACKGROUND: Agricultural environments are contaminated with organic dusts containing bacterial components. Chronic inhalation of organic dusts is implicated in respiratory diseases. CD14 is a critical receptor for gram-negative lipopolysaccharide; however, its association with respiratory disease among agricultural workers is unknown. The objective of this study was to determine if serum soluble CD14 (sCD14) levels are associated with lung function among agricultural workers and if this association is modified by genetic variants in CD14...
March 16, 2017: Respiratory Research
https://www.readbyqxmd.com/read/28292852/progress-in-disease-progression-genetics-dissecting-the-genetic-origins-of-lung-function-decline-in-copd
#16
EDITORIAL
Robert Busch, Michael H Cho, Edwin K Silverman
No abstract text is available yet for this article.
March 14, 2017: Thorax
https://www.readbyqxmd.com/read/28257315/personalized-medicine-and-chronic-obstructive-pulmonary-disease
#17
E F M Wouters, B B R A F Wouters, I M L Augustin, F M E Franssen
PURPOSE OF REVIEW: The current review summarizes ongoing developments in personalized medicine and precision medicine in chronic obstructive pulmonary disease (COPD). Our current approach is far away of personalized management algorithms as current recommendations for COPD are largely based on a reductionist disease description, operationally defined by results of spirometry. RECENT FINDINGS: Besides precision medicine developments, a personalized medicine approach in COPD is described based on a holistic approach of the patient and considering illness as the consequence of dynamic interactions within and between multiple interacting and self-adjusting systems...
May 2017: Current Opinion in Pulmonary Medicine
https://www.readbyqxmd.com/read/28254546/relb-attenuates-cigarette-smoke-extract-induced-apoptosis-in-association-with-transcriptional-regulation-of-the-aryl-hydrocarbon-receptor
#18
Matthew Iu, Michela Zago, Angela Rico de Souza, Manuella Bouttier, Swati Pareek, John H White, Qutayba Hamid, David H Eidelman, Carolyn J Baglole
Chronic obstructive pulmonary disease (COPD) is a chronic and prevalent respiratory disease caused primarily by long term inhalation of cigarette smoke. A major hallmark of COPD is elevated apoptosis of structural lung cells including fibroblasts. The NF-κB member RelB may suppress apoptosis in response to cigarette smoke, but its role in lung cell survival is not known. RelB may act as a pro-survival factor by controlling the expression of superoxide dismutase 2 (SOD2). SOD2 is also regulated by the aryl hydrocarbon receptor (AhR), a ligand-activated transcription factor that suppresses cigarette smoke-induced apoptosis...
February 27, 2017: Free Radical Biology & Medicine
https://www.readbyqxmd.com/read/28248572/transcriptomic-analysis-of-lung-tissue-from-cigarette-smoke-induced-emphysema-murine-models-and-human-copd-show-shared-and-distinct-pathways
#19
Jeong H Yun, Jarrett Morrow, Caroline A Owen, Weiliang Qiu, Kimberly Glass, Taotao Lao, Zhiqiang Jiang, Mark A Perrella, Edwin K Silverman, Xiaobo Zhou, Craig P Hersh
Although cigarette smoke (CS) is the primary risk factor for chronic obstructive pulmonary disease (COPD), the underlying molecular mechanisms for the significant variability in developing COPD in response to CS are incompletely understood. We performed lung gene expression profiling of two different wild-type murine strains (C57BL/6, NZW/LacJ) and two genetic models with mutations in COPD genome-wide association study (GWAS) genes (HHIP, FAM13A) after six months of chronic CS exposure and compared the results to human COPD lung tissues...
March 1, 2017: American Journal of Respiratory Cell and Molecular Biology
https://www.readbyqxmd.com/read/28248137/sex-specific-genetic-risk-factors-for-chronic-obstructive-pulmonary-disease
#20
Guy G Brusselle, Lies Lahousse
No abstract text is available yet for this article.
March 2017: American Journal of Respiratory Cell and Molecular Biology
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