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https://www.readbyqxmd.com/read/28546746/genetic-polymorphism-and-chronic-obstructive-pulmonary-disease
#1
REVIEW
Cunhua Yuan, De Chang, Guangming Lu, Xiaowei Deng
Chronic obstructive pulmonary disease (COPD) is a common chronic disease, and its morbidity and mortality are increasing. There are many studies that have tried to explain the pathogenesis of COPD from genetic susceptibility, to identify the susceptibility of COPD factors, which play a role in early prevention, early detection and the early treatment. However, it is well known that COPD is an inflammatory disease characterized by incomplete reversible airflow limitation in which genes interact with the environment...
2017: International Journal of Chronic Obstructive Pulmonary Disease
https://www.readbyqxmd.com/read/28542929/the-immune-response-to-prevotella-bacteria-in-chronic-inflammatory-disease
#2
REVIEW
Jeppe Madura Larsen
The microbiota plays a central role in human health and disease by shaping immune development, immune responses, metabolism, and protecting from invading pathogens. Technical advances that allow comprehensive characterization of microbial communities by genetic sequencing have sparked the hunt for disease modulating bacteria. Emerging studies in humans have linked increased abundance of Prevotella species at mucosal sites to localized and systemic disease, including periodontitis, bacterial vaginosis, rheumatoid arthritis, metabolic disorders, and low-grade systemic inflammation...
May 19, 2017: Immunology
https://www.readbyqxmd.com/read/28522810/integrative-analysis-of-genomic-sequencing-data-reveals-higher-prevalence-of-lrp1b-mutations-in-lung-adenocarcinoma-patients-with-copd
#3
Dakai Xiao, Fuqiang Li, Hui Pan, Han Liang, Kui Wu, Jianxing He
Both chronic Obstruction Pulmonary Disease (COPD) and lung cancer are leading causes of death globally. Although COPD and lung cancer coexist frequently, it is unknown whether lung cancer patients with COPD harbor distinct genomic characteristics compared to those without COPD. In this study, we retrospectively analyzed genomic sequencing data from 272 patients with lung adenocarcinoma (LUAD) and compared the genetic alterations in LUAD patients with and without COPD. Integrative analysis of whole-genome and exome sequencing data revealed that COPD and non-COPD groups showed high concordance in mutational burden and spectra...
May 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28516352/air-pollution-and-respiratory-health-among-diabetic-and-non-diabetic-subjects-in-pune-india-results-from-the-wellcome-trust-genetic-study
#4
Morteza Abdullatif Khafaie, Sundeep Santosh Salvi, Chittaranjan Sakerlal Yajnik, Ajay Ojha, Behzad Khafaie, Sharad Damodar Gore
Diabetics may be more vulnerable to the harmful effects of ambient air pollutants than healthy individuals. But, the risk factors that lead to susceptibility to air pollution in diabetics have not yet been identified. We examined the effect of exposure to ambient PM10 on chronic symptoms and the pulmonary function tests (PFT) in diabetic and non-diabetic subjects. Also, to investigate possible determinants of susceptibility, we recruited 400 type 2 diabetic and 465 healthy subjects who were investigated for chronic respiratory symptoms (CRSs) and then underwent measurement of forced vital capacity (FVC) and forced expiratory volume 1 (FEV1) according to standard protocol...
May 17, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28498894/the-intersection-of-aging-biology-and-the-pathobiology-of-lung-diseases-a-joint-nhlbi-nia-workshop
#5
Gr Scott Budinger, Ronald A Kohanski, Weiniu Gan, Michael S Kobor, Luis A Amaral, Mary Armanios, Karl T Kelsey, Annie Pardo, Rubin Tuder, Fernando Macian, Navdeep Chandel, Douglas Vaughan, Mauricio Rojas, Ana L Mora, Elizabeth Kovacs, Steven R Duncan, Toren Finkel, Augustine Choi, Oliver Eickelberg, Danica Chen, Alvar Agusti, Moises Selman, William E Balch, Paula Busse, Anning Lin, Richard Morimoto, Jacob I Sznajder, Victor J Thannickal
Death from chronic lung disease is increasing and Chronic Obstructive Pulmonary Disease has become the third leading cause of death in the United States in the past decade. Both chronic and acute lung diseases disproportionately affect elderly individuals, making it likely that these diseases will become more frequent and severe as the worldwide population ages. Chronic lung diseases are associated with substantial morbidity, frequently resulting in exercise limiting dyspnea, immobilization and isolation. Therefore, effective strategies to prevent or treat lung disease are likely to increase healthspan as well as lifespan...
May 12, 2017: Journals of Gerontology. Series A, Biological Sciences and Medical Sciences
https://www.readbyqxmd.com/read/28496314/treatment-of-lung-disease-in-alpha-1-antitrypsin-deficiency-a-systematic-review
#6
REVIEW
Ross G Edgar, Mitesh Patel, Susan Bayliss, Diana Crossley, Elizabeth Sapey, Alice M Turner
BACKGROUND: Alpha-1 antitrypsin deficiency (AATD) is a rare genetic condition predisposing individuals to chronic obstructive pulmonary disease (COPD). The treatment is generally extrapolated from COPD unrelated to AATD; however, most COPD trials exclude AATD patients; thus, this study sought to systematically review AATD-specific literature to assist evidence-based patient management. METHODS: Standard review methodology was used with meta-analysis and narrative synthesis (PROSPERO-CRD42015019354)...
2017: International Journal of Chronic Obstructive Pulmonary Disease
https://www.readbyqxmd.com/read/28476564/global-mortality-variations-in-patients-with-heart-failure-results-from-the-international-congestive-heart-failure-inter-chf-prospective-cohort-study
#7
Hisham Dokainish, Koon Teo, Jun Zhu, Ambuj Roy, Khalid F AlHabib, Ahmed ElSayed, Lia Palileo-Villaneuva, Patricio Lopez-Jaramillo, Kamilu Karaye, Khalid Yusoff, Andres Orlandini, Karen Sliwa, Charles Mondo, Fernando Lanas, Dorairaj Prabhakaran, Amr Badr, Mohamed Elmaghawry, Albertino Damasceno, Kemi Tibazarwa, Emilie Belley-Cote, Kumar Balasubramanian, Shofiqul Islam, Magdi H Yacoub, Mark D Huffman, Karen Harkness, Alex Grinvalds, Robert McKelvie, Shrikant I Bangdiwala, Salim Yusuf
BACKGROUND: Most data on mortality and prognostic factors in patients with heart failure come from North America and Europe, with little information from other regions. Here, in the International Congestive Heart Failure (INTER-CHF) study, we aimed to measure mortality at 1 year in patients with heart failure in Africa, China, India, the Middle East, southeast Asia and South America; we also explored demographic, clinical, and socioeconomic variables associated with mortality. METHODS: We enrolled consecutive patients with heart failure (3695 [66%] clinic outpatients, 2105 [34%] hospital in patients) from 108 centres in six geographical regions...
May 3, 2017: Lancet Global Health
https://www.readbyqxmd.com/read/28464990/ephx1-y113h-polymorphism-is-associated-with-increased-risk-of-chronic-obstructive-pulmonary-disease-in-kazakhstan-population
#8
Almira Akparova, Balkiya Abdrakhmanova, Nilanjana Banerjee, Rakhmetkazhy Bersimbaev
Chronic obstructive pulmonary disease (COPD) is a type of obstructive lung disease characterized by long term poor airflow which worsens over time. It is considered to be one of the top five chronic diseases of the world in terms of morbidity and mortality. Genetic variability has been found to contribute to the development of COPD. Although association between gene polymorphisms in EPHX1 and TNF-a genes and chronic obstructive pulmonary disease (COPD) have been found but till date no genetic association studies have been done in the COPD affected Kazakhstan population...
April 2017: Mutation Research
https://www.readbyqxmd.com/read/28464818/sulfatase-modifying-factor-1-sumf1-is-associated-with-chronic-obstructive-pulmonary-disease
#9
Julie Weidner, Linnea Jarenbäck, Kim de Jong, Judith M Vonk, Maarten van den Berge, Corry-Anke Brandsma, H Marike Boezen, Don Sin, Yohan Bossé, David Nickle, Jaro Ankerst, Leif Bjermer, Dirkje S Postma, Alen Faiz, Ellen Tufvesson
BACKGROUND: It has been observed that mice lacking the sulfatase modifying factor (Sumf1) developed an emphysema-like phenotype. However, it is unknown if SUMF1 may play a role in Chronic Obstructive Pulmonary Disease (COPD) in humans. The aim was to investigate if the expression and genetic regulation of SUMF1 differs between smokers with and without COPD. METHODS: SUMF1 mRNA was investigated in sputum cells and whole blood from controls and COPD patients (all current or former smokers)...
May 2, 2017: Respiratory Research
https://www.readbyqxmd.com/read/28459279/integrative-genomics-of-emphysema-associated-genes-reveals-potential-disease-biomarkers
#10
Ma'en Obeidat, Yunlong Nie, Nick Fishbane, Xuan Li, Yohan Bossé, Philippe Joubert, David C Nickle, Ke Hao, Dirkje S Postma, Wim Timens, Marc A Sze, Casey P Shannon, Zsuzsanna Hollander, Raymond T Ng, Bruce McManus, Bruce E Miller, Stephen Rennard, Avrum Spira, Tillie Louise Hackett, Wan Lam, Stephen Lam, Rosa Faner, Alvar Agusti, James C Hogg, Don D Sin, Peter D Paré
RATIONALE: Chronic obstructive pulmonary disease (COPD) is the third leading cause of death worldwide. Gene expression profiling across multiple regions of the same lung identified genes significantly related to emphysema. OBJECTIVE: To determine whether the lung and epithelial expression of 127 emphysema-related genes is also related to lung function in independent cohorts and whether any of these genes could be used as biomarkers in the peripheral blood of COPD patients...
May 1, 2017: American Journal of Respiratory Cell and Molecular Biology
https://www.readbyqxmd.com/read/28441029/variable-susceptibility-to-cigarette-smoke-induced-emphysema-in-34-inbred-strains-of-mice-implicates-abi3bp-in-emphysema-susceptibility
#11
Josiah E Radder, Alyssa D Gregory, Adriana S Leme, Michael H Cho, Yanxia Chu, Neil J Kelly, Per Bakke, Amund Gulsvik, Augusto A Litonjua, David Sparrow, Terri H Beaty, James D Crapo, Edwin K Silverman, Yingze Zhang, Annerose Berndt, Steven D Shapiro
RATIONALE: Chronic obstructive pulmonary disease (COPD) is caused by a complex interaction of environmental exposures, most commonly cigarette smoke, and genetic factors. Chronic cigarette smoke exposure in the mouse is a commonly used animal model of COPD. We aimed to expand our knowledge of the variable susceptibility of inbred strains to this model and test for genetic variants associated with this trait. OBJECTIVE: To measure differential susceptibility to cigarette smoke-induced emphysema in the mouse, identify genetic loci associated with this quantitative trait, and find homologous human genes associated with COPD...
April 25, 2017: American Journal of Respiratory Cell and Molecular Biology
https://www.readbyqxmd.com/read/28435243/peripheral-leukocyte-micrornas-as-novel-biomarkers-for-copd
#12
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
#13
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
#14
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
#15
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
#16
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
#17
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
#18
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
#19
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
#20
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
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