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Obstructive lung disease

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https://www.readbyqxmd.com/read/28351016/nano-enabled-paper-humidity-sensor-for-mobile-based-point-of-care-lung-function-monitoring
#1
Mitradip Bhattacharjee, Harshal B Nemade, Dipankar Bandyopadhyay
The frequency of breathing and peak flow rate of exhaled air are necessary parameters to detect chronic obstructive pulmonary diseases (COPDs) such as asthma, bronchitis, or pneumonia. We developed a lung function monitoring point-of-care-testing device (LFM-POCT) consisting of mouthpiece, paper-based humidity sensor, micro-heater, and real-time monitoring unit. Fabrication of a mouthpiece of optimal length ensured that the exhaled air was focused on the humidity-sensor. The resistive relative humidity sensor was developed using a filter paper coated with nanoparticles, which could easily follow the frequency and peak flow rate of the human breathing...
March 22, 2017: Biosensors & Bioelectronics
https://www.readbyqxmd.com/read/28346430/il-17c-mediates-the-recruitment-of-tumor-associated-neutrophils-and-lung-tumor-growth
#2
C Jungnickel, L H Schmidt, L Bittigkoffer, L Wolf, A Wolf, F Ritzmann, A Kamyschnikow, C Herr, M D Menger, T Spieker, R Wiewrodt, R Bals, C Beisswenger
Chronic obstructive pulmonary disease (COPD) is associated with an increased risk for lung cancer and an aberrant microbiota of the lung. Microbial colonization contributes to chronic neutrophilic inflammation in COPD. Nontypeable Haemophilus influenzae (NTHi) is frequently found in lungs of stable COPD patients and is the major pathogen triggering exacerbations. The epithelial cytokine interleukin-17C (IL-17C) promotes the recruitment of neutrophils into inflamed tissues. The purpose of this study was to investigate the function of IL-17C in the pulmonary tumor microenvironment...
March 27, 2017: Oncogene
https://www.readbyqxmd.com/read/28345955/smoking-dependent-distal-to-proximal-repatterning-of-the-adult-human-small-airway-epithelium
#3
Jing Yang, Wu-Lin Zuo, Tomoya Fukui, IonWa Chao, Kazunori Gomi, Busub Lee, Michelle R Staudt, Robert J Kaner, Yael Strulovici-Barel, Jacqueline Salit, Ronald G Crystal, Renat Shaykhiev
RATIONALE: Small airways are the primary site of pathologic changes in chronic obstructive pulmonary disease (COPD), the major smoking-induced lung disorder. OBJECTIVES: Based on the concept of proximal-distal patterning that determines regional specialization of the airway epithelium during lung development, we hypothesized that a similar program operates in the adult human lung being altered by smoking leading to decreased regional identity of the small airway epithelium (SAE)...
March 27, 2017: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/28345180/population-based-study-shows-that-teenage-girls-with-asthma-had-impaired-health-related-quality-of-life
#4
Linnea Hedman, Caroline Stridsman, Martin Andersson, Helena Backman, Sven-Arne Jansson, Eva Rönmark
AIM: This study examined the health-related quality of life (HRQoL) of teenagers with and without asthma, including the impact of their sex, allergic conditions, smoking, living conditions and physical activity. METHODS: The Obstructive Lung Disease in Northern Sweden (OLIN) studies recruited a cohort of schoolchildren in 2006. The parents of all children aged 7-8 years in three municipalities were invited to complete a questionnaire and 2,585 (96%) participated...
March 27, 2017: Acta Paediatrica
https://www.readbyqxmd.com/read/28344354/hdac1-3-inhibitor-ms-275-enhances-il10-expression-in-raw264-7-macrophages-and-reduces-cigarette-smoke-induced-airway-inflammation-in-mice
#5
Niek G J Leus, Thea van den Bosch, Petra E van der Wouden, Kim Krist, Maria E Ourailidou, Nikolaos Eleftheriadis, Loes E M Kistemaker, Sophie Bos, Rutger A F Gjaltema, Solomon A Mekonnen, Rainer Bischoff, Reinoud Gosens, Hidde J Haisma, Frank J Dekker
Chronic obstructive pulmonary disease (COPD) constitutes a major health burden. Studying underlying molecular mechanisms could lead to new therapeutic targets. Macrophages are orchestrators of COPD, by releasing pro-inflammatory cytokines. This process relies on transcription factors such as NF-κB, among others. NF-κB is regulated by lysine acetylation; a post-translational modification installed by histone acetyltransferases and removed by histone deacetylases (HDACs). We hypothesized that small molecule HDAC inhibitors (HDACi) targeting class I HDACs members that can regulate NF-κB could attenuate inflammatory responses in COPD via modulation of the NF-κB signaling output...
March 27, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28344095/early-detection-clinical-diagnosis-and-management-of-lung-disease-from-exposure-to-diacetyl
#6
Cecile S Rose
Inhalation of diacetyl-containing products is associated with risk for occupational bronchiolitis obliterans (BO) and fixed airways obstruction, particularly in workers exposed to heated liquids and powdered formulations. This review describes the occupational settings in which diacetyl-related lung disease has been reported and the clinical presentation of disease, along with an approach to diagnosis and management. The importance of early disease recognition, appropriate removal from exposure, and medical monitoring to optimize prognosis is reviewed...
March 23, 2017: Toxicology
https://www.readbyqxmd.com/read/28341409/glottis-closure-influences-tracheal-size-changes-in-inspiratory-and-expiratory-ct-in-patients-with-copd
#7
Nicholas Landini, Stefano Diciotti, Monica Lanzetta, Francesca Bigazzi, Gianna Camiciottoli, Mario Mascalchi
RATIONALE AND OBJECTIVES: The opened or closed status of the glottis might influence tracheal size changes in inspiratory and expiratory computed tomography (CT) scans. We investigated if the glottis status makes the tracheal collapse differently correlate with lung volume difference between inspiratory and expiratory CT scans. MATERIALS AND METHODS: Forty patients with chronic obstructive pulmonary disease whose glottis was included in the acquired scanned volume for lung CT were divided into two groups: 16 patients with the glottis closed in both inspiratory and expiratory CT, and 24 patients with the glottis open in at least one CT acquisition...
March 21, 2017: Academic Radiology
https://www.readbyqxmd.com/read/28341128/-a-bronchial-mucous-gland-adenoma-resected-by-endoscopic-procedure
#8
C Vergnenègre, J Hureaux, B Morvant, T Urban, T Jeanfaivre
INTRODUCTION: Surgical resection is usually performed for the treatment of endobronchial tumors. This case describes the use of endoscopic resection as an initial treatment, allowing to spare lung parenchyma. CASE REPORT: A patient was admitted to the emergency unit with right lower lobe pneumonia. A thoracic CT-scan and subsequent bronchoscopy revealed an intrabronchial tumor between the right main and intermediate bronchus. Biopsies were non-diagnostic and a PET-scanner did not find any abnormalities...
March 21, 2017: Revue des Maladies Respiratoires
https://www.readbyqxmd.com/read/28340862/symptom-variability-and-control-in-copd-advantages-of-dual-bronchodilation-therapy
#9
REVIEW
Fabiano Di Marco, Pierachille Santus, Nicola Scichilone, Paolo Solidoro, Marco Contoli, Fulvio Braido, Angelo Guido Corsico
BACKGROUND: Chronic obstructive pulmonary disease (COPD) is a heterogeneous disorder characterized by usually progressive development of airflow obstruction that is not fully reversible. While most patients will experience symptoms throughout the day or in the morning upon awakening, many patients do not experience their symptoms as constant but report variability in symptoms during the course of the day or over time. Symptom variability adversely affects patients' health status and increases the risk of COPD exacerbations...
April 2017: Respiratory Medicine
https://www.readbyqxmd.com/read/28340574/myocyte-enhancer-factor-2d-provides-a-cross-talk-between-chronic-inflammation-and-lung-cancer
#10
Hai-Xing Zhu, Lin Shi, Yong Zhang, Yi-Chun Zhu, Chun-Xue Bai, Xiang-Dong Wang, Jie-Bai Zhou
BACKGROUND: Lung cancer is the leading cause of cancer-related morbidity and mortality worldwide. Patients with chronic respiratory diseases, such as chronic obstructive pulmonary disease (COPD), are exposed to a higher risk of developing lung cancer. Chronic inflammation may play an important role in the lung carcinogenesis among those patients. The present study aimed at identifying candidate biomarker predicting lung cancer risk among patients with chronic respiratory diseases. METHODS: We applied clinical bioinformatics tools to analyze different gene profile datasets with a special focus on screening the potential biomarker during chronic inflammation-lung cancer transition...
March 24, 2017: Journal of Translational Medicine
https://www.readbyqxmd.com/read/28340488/national-and-sub-national-age-sex-specific-and-cause-specific-mortality-and-disability-adjusted-life-years-dalys-attributable-to-household-air-pollution-from-solid-cookfuel-use-hap-in-iran-1990-2013
#11
Mehrnoosh Abtahi, Ali Koolivand, Sina Dobaradaran, Kamyar Yaghmaeian, Anoushiravan Mohseni-Bandpei, Shokooh Sadat Khaloo, Sahand Jorfi, Reza Saeedi
National and sub-national mortality, years of life lost due to premature mortality (YLLs), years lived with disability (YLDs) and disability-adjusted life years (DALYs) for household air pollution from solid cookfuel use (HAP) in Iran, 1990-2013 were estimated based on the Global Burden of Disease Study 2013 (GBD 2013). The burden of disease attributable to HAP was quantified by the comparative risk assessment method using four inputs: (1) exposure to HAP, (2) the theoretical minimum risk exposure level (TMREL), (3) exposure-response relationships of related causes (4) disease burden of related causes...
March 21, 2017: Environmental Research
https://www.readbyqxmd.com/read/28339038/lncrna%C3%A2-mediated-sirt1-foxo3a-and-sirt1-p53-signaling-pathways-regulate-type-ii-alveolar-epithelial-cell-senescence-in-patients-with-chronic-obstructive-pulmonary-disease
#12
Chao Gu, Yaqing Li, Jialiang Liu, Xiwang Ying, Yuanshun Liu, Jianping Yan, Chun Chen, Hongbin Zhou, Liming Cao, Yingyu Ma
The loss of alveolar structure and airspace enlargement are major pathological changes in chronic obstructive pulmonary disease (COPD). Type II alveolar epithelial cells (AECII) are involved in maintaining lung tissue repair and alveolar homeostasis. Long non‑coding RNAs (lncRNAs) are involved in multi‑regulating gene transcription, affecting processes including embryonic development, cell differentiation and cellular senescence. The primary aim of the present study was to explore the mechanisms of AECII senescence regulated by lncRNA‑mediated sirtuin 1 (SIRT1) and forkhead box O 3a (FoxO3a) signaling pathways in patients with COPD...
March 23, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28338550/respiratory-system-function-in-patients-after-minimally-invasive-aortic-valve-replacement-surgery-a-case-control-study
#13
Jarosław Stoliński, Robert Musiał, Dariusz Plicner, Janusz Andres
OBJECTIVE: The aim of the study was to comparatively analyze respiratory system function after minimally invasive, through right minithoracotomy aortic valve replacement (RT-AVR) to conventional AVR. METHODS: Analysis of 201 patients scheduled for RT-AVR and 316 for AVR between January 2010 and November 2013. Complications of the respiratory system and pulmonary functional status are presented. RESULTS: Complications of the respiratory system occurred in 16...
March 23, 2017: Innovations: Technology and Techniques in Cardiothoracic and Vascular Surgery
https://www.readbyqxmd.com/read/28335732/lung-function-associated-gene-integrator-complex-subunit-12-regulates-protein-synthesis-pathways
#14
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/28335527/metabolic-disorder-in-chronic-obstructive-pulmonary-disease-copd-patients-towards-a-personalized-approach-using-marine-drug-derivatives
#15
REVIEW
Palma Lamonaca, Giulia Prinzi, Aliaksei Kisiliaou, Vittorio Cardaci, Massimo Fini, Patrizia Russo
Metabolic disorder has been frequently observed in chronic obstructive pulmonary disease (COPD) patients. However, the exact correlation between obesity, which is a complex metabolic disorder, and COPD remains controversial. The current study summarizes a variety of drugs from marine sources that have anti-obesity effects and proposed potential mechanisms by which lung function can be modulated with the anti-obesity activity. Considering the similar mechanism, such as inflammation, shared between obesity and COPD, the study suggests that marine derivatives that act on the adipose tissues to reduce inflammation may provide beneficial therapeutic effects in COPD subjects with high body mass index (BMI)...
March 20, 2017: Marine Drugs
https://www.readbyqxmd.com/read/28334838/neutrophil-mediated-il-6-receptor-trans-signaling-and-the-risk-of-chronic-obstructive-pulmonary-disease-and-asthma
#16
Neda Farahi, Ellie Paige, Jozef Balla, Emily Prudence, Ricardo C Ferreira, Mark Southwood, Sarah L Appleby, Per Bakke, Amund Gulsvik, Augusto A Litonjua, David Sparrow, Edwin K Silverman, Michael H Cho, John Danesh, Dirk S Paul, Daniel F Freitag, Edwin R Chilvers
The Asp358Ala variant in the interleukin-6 receptor (IL-6R) gene has been implicated in asthma, autoimmune and cardiovascular disorders, but its role in other respiratory conditions such as chronic obstructive pulmonary disease (COPD) has not been investigated. The aims of this study were to evaluate whether there is an association between Asp358Ala and COPD or asthma risk, and to explore the role of the Asp358Ala variant in sIL-6R shedding from neutrophils and its pro-inflammatory effects in the lung. We undertook logistic regression using data from the UK Biobank and the ECLIPSE COPD cohort...
February 17, 2017: Human Molecular Genetics
https://www.readbyqxmd.com/read/28331305/colds-as-predictors-of-the-onset-and-severity-of-copd-exacerbations
#17
Neil W Johnston, Marita Olsson, Staffan Edsbäcker, Maria Gerhardsson de Verdier, Per Gustafson, Christopher McCrae, Peter V Coyle, R Andrew McIvor
RATIONALE: Common colds are associated with acute respiratory symptom exacerbations in COPD patients. OBJECTIVE: To determine exacerbation risk and severity in COPD patients with/without coincident self-reported colds. METHODS: Global initiative for chronic Obstructive Lung Disease stage I-IV COPD patients electronically transmitted respiratory symptom diaries to research staff daily between December 2006 and April 2009. Respiratory symptom worsening prompted contact by a study nurse and patient assessment to determine if a cold was present or an exacerbation underway...
2017: International Journal of Chronic Obstructive Pulmonary Disease
https://www.readbyqxmd.com/read/28329750/optoelectronic-plethysmography-in-clinical-practice-and-research-a-review
#18
Carlo Massaroni, Elena Carraro, Andrea Vianello, Sandra Miccinilli, Michelangelo Morrone, Irisz K Levai, Emiliano Schena, Paola Saccomandi, Silvia Sterzi, John W Dickinson, Samantha Winter, Sergio Silvestri
BACKGROUND: Optoelectronic plethysmography (OEP) is a non-invasive motion capture method to measure chest wall movements and estimate lung volumes. OBJECTIVES: To provide an overview of the clinical findings and research applications of OEP in the assessment of breathing mechanics across populations of healthy and diseased individuals. METHODS: A bibliographic research was performed with the terms "opto-electronic plethysmography," "optoelectronic plethysmography," and "optoelectronic plethysmograph" in 50 digital library and bibliographic search databases resulting in the selection of 170 studies...
March 23, 2017: Respiration; International Review of Thoracic Diseases
https://www.readbyqxmd.com/read/28329458/type-iv-total-anomalous-pulmonary-venous-connection
#19
James D St Louis, Elizabeth M Turk, Jeffrey P Jacobs, James E O'Brien
BACKGROUND: Mortality associated with correction of type IV total anomalous pulmonary venous connection (TAPVC) is generally reported in combination with other anatomic types. The objective of this study is to review surgical outcomes associated with the repair of type IV TAPVC by analyzing a multi-institutional cohort specific for this group. We also analyze patient-specific variables that may contribute to poor operative outcomes. METHODS: A retrospective review of the Pediatric Cardiac Care Consortium (PCCC) registry identified patients who underwent repair of type IV TAPVC between 1982 and 2007...
March 2017: World Journal for Pediatric & Congenital Heart Surgery
https://www.readbyqxmd.com/read/28329213/postoperative-pulmonary-complications-and-rehabilitation-requirements-following-lobectomy-a-propensity-score-matched-study-of-patients-undergoing-video-assisted-thoracoscopic-surgery-versus-thoracotomy%C3%A2
#20
Paula Agostini, Sebastian T Lugg, Kerry Adams, Nelia Vartsaba, Maninder S Kalkat, Pala B Rajesh, Richard S Steyn, Babu Naidu, Alison Rushton, Ehab Bishay
OBJECTIVES: : Video-assisted thoracoscopic surgical (VATS) lobectomy is increasingly used for curative intent lung cancer surgery compared to open thoracotomy due to its minimally invasive approach and associated benefits. However, the effects of the VATS approach on postoperative pulmonary complications (PPC), rehabilitation and physiotherapy requirements are unclear; our study aimed to use propensity score matching to investigate this. METHODS: Between January 2012 and January 2016 all consecutive patients undergoing lobectomy via thoracotomy or VATS were prospectively observed...
March 8, 2017: Interactive Cardiovascular and Thoracic Surgery
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