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https://www.readbyqxmd.com/read/29160801/the-protective-effects-of-astaxanthin-on-the-ova-induced-asthma-mice-model
#1
Yun-Ho Hwang, Seong-Gyeol Hong, Seul-Ki Mun, Su-Jin Kim, Sung-Ju Lee, Jong-Jin Kim, Kyung-Yun Kang, Sung-Tae Yee
Although astaxanthin has a variety of biological activities such as anti-oxidant effects, inhibitory effects on skin deterioration and anti-inflammatory effects, its effect on asthma has not been studied. In this paper, the inhibitory effect of astaxanthin on airway inflammation in a mouse model of ovalbumin (OVA)-induced asthma was investigated. We evaluated the number of total cells, Th1/2 mediated inflammatory cytokines in bronchoalveolar lavage fluid (BALF) and airway hyperresponsiveness as well as histological structure...
November 21, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/29160737/community-singing-groups-for-people-with-chronic-obstructive-pulmonary-disease-participant-perspectives
#2
Ann Skingley, Stephen Clift, Sadie Hurley, Sonia Price, Lizzi Stephens
AIM: Chronic obstructive pulmonary disease (COPD) is a major public health issue which is irreversible and progressive, but previous research suggests that singing may have beneficial effects. The aim of this study was to establish the views of participants with COPD taking part in a singing for better breathing programme. METHODS: This was a descriptive qualitative study nested within a single-cohort feasibility study which included measures of lung function and wellbeing...
November 1, 2017: Perspectives in Public Health
https://www.readbyqxmd.com/read/29159964/blocking-antibodies-induced-by-allergen-specific-immunotherapy-ameliorate-allergic-airway-disease-in-a-human-mouse-chimeric-model
#3
Caterina Vizzardelli, Miriam Gindl, Simone Roos, Christian Möbs, Birgit Nagl, Felix Zimmann, Veronika Sexl, Lukas Kenner, Alina Neunkirchner, Gerhard J Zlabinger, Winfried F Pickl, Wolfgang Pfützner, Barbara Bohle
BACKGROUND: Allergen-specific immunotherapy (AIT) induces specific blocking antibodies (Ab) which are claimed to prevent IgE-mediated reactions to allergens. Additionally, AIT modulates cellular responses to allergens, e.g. by desensitizing effector cells, inducing regulatory T and B lymphocytes and immune deviation. It is still enigmatic which of these mechanisms mediate(s) clinical tolerance. We sought to address the role of AIT-induced blocking Ab separately from cellular responses in a chimeric human/mouse model of respiratory allergy...
November 21, 2017: Allergy
https://www.readbyqxmd.com/read/29159034/hamman-rich-syndrome
#4
Arshiya Mastan, Nilaani Murugesu, Adil Hasnain, Terry O'Shaughnessy, Vladimir Macavei
INTRODUCTION: Acute interstitial pneumonia is a rare but important diagnosis, associated with a high mortality rate and important to identify early. CASE PRESENTATION: A 76 year-old individual presented to hospital with a two-week history of shortness of breath, fevers and a non-productive cough. Treatment initially was for lower respiratory tract infection but returned to hospital three days later as her shortness of breath and peripheral oedema was worsening despite diuretic treatment...
2018: Respiratory Medicine Case Reports
https://www.readbyqxmd.com/read/29159031/solitary-fibrous-tumor-of-the-abdominal-wall-re-surfacing-as-unilateral-pleural-effusion-and-mass-a-case-report-and-review-of-the-literature
#5
Xia Bi, Jixian Zhai, Carrie D Chun
Background: Solitary fibrous tumors (SFTs) are rare fibroblastic mesenchymal neoplasms that were initially described in the pleura, but have been increasingly recognized to occur in other parts of the body. They have been traditionally regarded as indolent tumors that are rare to metastasize after surgical resection. Here, we describe a case of a Filipino female who initially presented with unilateral pleural effusion and mass, and was ultimately diagnosed with recurrent solitary fibrous tumor that originated from the abdominal wall...
2018: Respiratory Medicine Case Reports
https://www.readbyqxmd.com/read/29158922/hypoxemic-respiratory-failure-from-acute-respiratory-distress-syndrome-secondary-to-leptospirosis
#6
Shannon M Fernando, Pierre Cardinal, Peter G Brindley
Acute respiratory distress syndrome (ARDS), characterized by hypoxemic respiratory failure, is associated with a mortality of 30-50% and is precipitated by both direct and indirect pulmonary insults. Treatment is largely supportive, consisting of lung protective ventilation and thereby necessitating Intensive Care Unit (ICU) admission. The most common precipitant is community-acquired bacterial pneumonia, but other putative pathogens include viruses and fungi. On rare occasions, ARDS can be secondary to tropical disease...
2017: Case Reports in Critical Care
https://www.readbyqxmd.com/read/29158824/dioscin-exerts-protective-effects-against-crystalline-silica-induced-pulmonary-fibrosis-in-mice
#7
Chao Li, Yiping Lu, Sitong Du, Siyi Li, Yiting Zhang, Fangwei Liu, Ying Chen, Dong Weng, Jie Chen
Inhalation of crystalline silica particles leads to pulmonary fibrosis, eventually resulting in respiratory failure and death. There are few effective drugs that can delay the progression of this disease; thus, patients with silicosis are usually only offered supportive care. Dioscin, a steroidal saponin, exhibits many biological activities and health benefits including its protective effects against hepatic fibrosis. However, the effect of dioscin on silicosis is unknown. METHODS: We employed experimental mouse mode of silicosis...
2017: Theranostics
https://www.readbyqxmd.com/read/29158672/lung-transplantation-and-survival-outcomes-in-patients-with-oxygen-dependent-copd-with-regard-to-their-alpha-1-antitrypsin-deficiency-status
#8
Magnus Ekström, Hanan Tanash
Background: Individuals with severe alpha-1 antitrypsin deficiency (AATD) have an increased risk of developing COPD. However, outcomes during long-term oxygen therapy (LTOT) in patients with severe AATD and hypoxemia are unknown. Patients and methods: This was a prospective, population-based, consecutive cohort study of patients on LTOT due to COPD in the period from January 1, 1987, to June 30, 2015, in the Swedish National Registry for Respiratory Failure (Swedevox)...
2017: International Journal of Chronic Obstructive Pulmonary Disease
https://www.readbyqxmd.com/read/29158434/high-levels-of-cyclic-di-gmp-in-klebsiella-pneumoniae-attenuate-virulence-in-the-lung
#9
David A Rosen, Joy Twentyman, David A Hunstad
The bacterial second messenger, bis-(3' -5')-cyclic dimeric guanosine monophosphate (c-di-GMP) has been shown to influence expression of virulence factors in certain pathogenic bacteria, but little is known about its activity in the increasingly antibiotic-resistant pathogen Klebsiella pneumoniae Here, expression in K. pneumoniae of a heterologous diguanylate cyclase increased bacterial c-di-GMP concentration and attenuated pathogenesis in murine pneumonia. This attenuation remained evident in mice lacking the c-di-GMP sensor STING, indicating that high c-di-GMP exerted its influence not on host responses, but on bacterial physiology...
November 20, 2017: Infection and Immunity
https://www.readbyqxmd.com/read/29157654/an-innovative-lung-model-for-multiple-breath-washout-testing-in-health-and-disease
#10
Pinelopi Anagnostopoulou, Sarah Vomsattel, Anne-Christiane Kentgens, Marisa Guidi, Severin Binggeli, Lena Kohler, Florian Singer, Philipp Latzin, Dominik Obrist
BACKGROUND: Multiple breath washout (MBW) is a lung function test that identifies the degree of ventilation inhomogeneity (VI) in the lungs. In vitro validation of MBW devices is recommended. So far, plastic lung models for MBW validation ignored variable degrees of VI. Our primary aim was to create a plastic lung model applicable for physiological lung volumes and variable VI. METHODS: A plastic box divided in two chambers was filled with water and ventilated in various lung volumes and respiratory rates...
November 10, 2017: Clinical Biomechanics
https://www.readbyqxmd.com/read/29157308/characterization-of-the-upper-and-lower-respiratory-tract-microbiota-in-piedmontese-calves
#11
Isabella Nicola, Francesco Cerutti, Elena Grego, Iride Bertone, Paola Gianella, Antonio D'Angelo, Simone Peletto, Claudio Bellino
BACKGROUND: The microbiota of the bovine upper respiratory tract has been recently characterized, but no data for the lower respiratory tract are available. A major health problem in bovine medicine is infectious bronchopneumonia, the most common respiratory syndrome affecting cattle. With this study, we used 16S rRNA gene sequencing to characterize and compare the microbial community composition of the upper and lower respiratory tracts in calves. RESULTS: The microbiota of the upper (nasal swab [NS]) and the lower (trans-tracheal aspiration [TTA]) respiratory tracts of 19 post-weaned Piedmontese calves with (8/19) and without (11/19) clinical signs of respiratory disease, coming from six different farms, was characterized by 16S rRNA gene metabarcoding...
November 21, 2017: Microbiome
https://www.readbyqxmd.com/read/29156907/the-palliative-care-needs-for-those-advanced-neurology-patients-on-mechanical-ventilator-support
#12
Tsz Kin Kwok
There are mainly two types of needs for the ventilator users with severe neurological diseases: respiratory related needs include mode of ventilation selection, mode of ventilator prescription, maintaining lung recruitment and good airway clearance; non-respiratory related needs include substantial nursing care, adequate nutrition, accessible communication and psychological support. All these are important to maintain the quality of life of these patients.
September 13, 2017: Annals of Palliative Medicine
https://www.readbyqxmd.com/read/29156258/developing-an-online-tool-for-identifying-at-risk-populations-to-wildfire-smoke-hazards
#13
Ambarish Vaidyanathan, Fuyuen Yip, Paul Garbe
Wildfire episodes pose a significant public health threat in the United States. Adverse health impacts associated with wildfires occur near the burn area as well as in places far downwind due to wildfire smoke exposures. Health effects associated with exposure to particulate matter arising from wildfires can range from mild eye and respiratory tract irritation to more serious outcomes such as asthma exacerbation, bronchitis, and decreased lung function. Real-time operational forecasts of wildfire smoke concentrations are available but they are not readily integrated with information on vulnerable populations necessary to identify at-risk communities during wildfire smoke episodes...
November 16, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/29155867/spectrum-of-pathogen-and-model-specific-histopathologies-in-mouse-models-of-acute-pneumonia
#14
Kristina Dietert, Birgitt Gutbier, Sandra M Wienhold, Katrin Reppe, Xiaohui Jiang, Ling Yao, Catherine Chaput, Jan Naujoks, Markus Brack, Alexandra Kupke, Christin Peteranderl, Stephan Becker, Carolin von Lachner, Nelli Baal, Hortense Slevogt, Andreas C Hocke, Martin Witzenrath, Bastian Opitz, Susanne Herold, Holger Hackstein, Leif E Sander, Norbert Suttorp, Achim D Gruber
Pneumonia may be caused by a wide range of pathogens and is considered the most common infectious cause of death in humans. Murine acute lung infection models mirror human pathologies in many aspects and contribute to our understanding of the disease and the development of novel treatment strategies. Despite progress in other fields of tissue imaging, histopathology remains the most conclusive and practical read out tool for the descriptive and semiquantitative evaluation of mouse pneumonia and therapeutic interventions...
2017: PloS One
https://www.readbyqxmd.com/read/29154207/particle-size-distribution-and-respiratory-deposition-estimates-of-airborne-perfluoroalkyl-acids-during-the-haze-period-in-the-megacity-of-shanghai
#15
Mengjie Guo, Yan Lyu, Tingting Xu, Bo Yao, Weihua Song, Mei Li, Xin Yang, Tiantao Cheng, Xiang Li
This study presents the particle size distribution and respiratory deposition estimates of airborne perfluoroalkyl acids (PFAAs) during the haze period. Size-segregated haze aerosols were collected from an urban location in Shanghai using an eight-stage air sampler. The samples were analyzed for eight PFAAs using ultra-high-performance liquid chromatography tandem triple quadrupole mass spectrometry. The quantification results showed that the concentrations of particle-bound Σ 8PFAAs ranged from 0.26 to 1...
November 16, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/29154104/lung-health-a-costly-omission
#16
EDITORIAL
The Lancet Respiratory Medicine
No abstract text is available yet for this article.
November 15, 2017: Lancet Respiratory Medicine
https://www.readbyqxmd.com/read/29153777/vaccination-with-a-human-parainfluenza-virus-type-3-chimeric-fhn-glycoprotein-formulated-with-a-combination-adjuvant-induces-protective-immunity
#17
R Garg, R Brownlie, L Latimer, V Gerdts, A Potter, S van Drunen Littel-van den Hurk
Human parainfluenza virus type 3 (PIV3) is a major cause of lower respiratory disease i.e. bronchitis, bronchiolitis or pneumonia, in infants and young children. Presently there is no licensed vaccine against PIV3. To produce an effective subunit vaccine, a chimeric FHN glycoprotein consisting of the N-terminal ectodomain of the fusion (F) protein linked to the haemagglutinin-neuraminidase (HN) protein without transmembrane domain, and secreted forms of the individual F and HN glycoproteins, were expressed in mammalian cells and purified...
November 16, 2017: Vaccine
https://www.readbyqxmd.com/read/29153757/-pulmonary-tumor-thrombotic-microangiopathy
#18
REVIEW
M Merad, A Alibay, S Ammari, S Antoun, A Bouguerba, S Ayed, F Vincent
Pulmonary tumor thrombotic microangiopathy syndrome is a rare clinicopathological entity in which tumor cell micro-emboli in the pulmonary microcirculation induced thrombotic microangiopathy. This can cause respiratory failure, and acute or sub-acute right heart failure. Histological features include micro tumor emboli in the small arteries and arterioles of the lung associated with thrombus formation and fibro-cellular and fibro-muscular intimal proliferation. The diagnosis is however extremely difficult to make before death...
November 16, 2017: Revue des Maladies Respiratoires
https://www.readbyqxmd.com/read/29153523/uncertainty-assessment-of-the-breath-methane-concentration-method-to-determine-methane-production-of-dairy-cows
#19
Liansun Wu, Peter W G Groot Koerkamp, Nico Ogink
The breath methane concentration method uses the methane concentrations in the cow's breath during feed bin visits as a proxy for the methane production rate. The objective of this study was to assess the uncertainty of a breath methane concentration method in a feeder and its capability to measure and rank cows' methane production. A range of controlled methane fluxes from a so-called artificial reference cow were dosed in a feed bin, and its exhaled air was sampled by a tube inside the feeder and analyzed...
November 15, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/29153067/-detection-of-influenza-virus-infections-by-molecular-and-immunofluorescence-methods
#20
Deniz Yıldırım, Deniz Özdoğru Sağdıç, Buket Şeflek, Mehmet Çimentepe, İbrahim Bayram, Fügen Yarkın
Influenza virus infections are extremely important for human health due to the occurence of seasonal epidemics and pandemics worldwide. Influenza is associated with high morbidity and may result in serious complications such as life threatening viral or bacterial pneumonia. Especially, young children, older adults, patients with chronic diseases such as heart, lung, kidney, and diabetes and immunosuppressed people are at higher risk for complications and death from influenza virus infections. The aim of this study was to determine the incidence of influenza type A and B virus infections and influenza A virus subtypes in hospitalized patients with respiratory tract infections by real-time reverse transcriptase-polymerase chain reaction (RT-PCR, Sacace, Italy), conventional RT-PCR and direct immunofluorescence antibody (DFA, Argene SA, France) tests...
October 2017: Mikrobiyoloji Bülteni
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