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https://www.readbyqxmd.com/read/28728273/-a-retrospective-study-of-the-perioperative-complications-following-whole-lung-lavage-in-the-treatment-of-pulmonary-alveolar-proteinosis
#1
Z Q Zhou, W L Guo, Y Chen, C H Zhong, S Y Li
Objective: To evaluate the safety of the procedures of whole lung lavage(WLL) for pulmonary alveolar proteinosis(PAP) in perioperative period. Methods: In this retrospective study, we collected clinical data from 78 WLL procedures of PAP patients from January 2006 to June 2016 in Guangzhou Institute of Respiratory Disease. The causes of perioperative complications were analyzed. Results: Eighteen (23.07%) of the 78 procedures developed complications, including pleural effusion(n=4), pneumonia(n=4), cardiac failure(n=2), cardiac arrhythmia (n=2), pneumothorax(n=2), atelectasis(n=1), lung edema(n=1), laryngeal edema(n=1), pleural effusion and pneumonia(n=1)...
July 12, 2017: Chinese Journal of Tuberculosis and Respiratory Diseases
https://www.readbyqxmd.com/read/28727253/systemic-treatment-for-sarcoidosis-was-needed-for-16-of-1810-caucasian-patients
#2
Magdalena M Martusewicz-Boros, Piotr W Boros, Elżbieta Wiatr, Justyna Fijołek, Kazimierz Roszkowski-Śliż
INTRODUCTION AND OBJECTIVE: Sarcoidosis is a systemic granulomatous disease predominantly affecting the lungs, although granulomas can also involve all other organs. Fortunately, it is often a self-limiting disease and aggressive treatment is not indicated in majority of cases. However, treatment is recommended when critical organs are affected or the disease is progressive. So far, there is lack of reliable information regarding the frequency of treatment in Caucasian population or data are discordant...
July 20, 2017: Clinical Respiratory Journal
https://www.readbyqxmd.com/read/28727186/telephone-monitoring-and-home-visits-significantly-improved-the-quality-of-life-treatment-adherence-and-lung-function-in-children-with-cystic-fibrosis
#3
Elisavet-Anna Chrysochoou, Elpis Hatziagorou, Fotis Kirvassilis, John Tsanakas
Cystic Fibrosis (CF) is a chronic and systemic disease with a progressive course. As survival rates continue to improve, there is a growing demand for new therapeutic options that improve treatment adherence, disease management and quality of life (QoL) (1). The aim of this study was to evaluate the safety and effectiveness of a home care programme for children with CF and to assess the value of regular telephone contact with the CF team based at Hippokration Hospital, Thessaloniki, Greece. This article is protected by copyright...
July 20, 2017: Acta Paediatrica
https://www.readbyqxmd.com/read/28727155/mucosal-associated-invariant-mait-cells-are-deficient-in-systemic-sclerosis
#4
Arsène Mekinian, Thibaut Mahevas, Mohamad Mohty, Vincent Jachiet, Sébastien Rivière, Olivier Fain, Béatrice Gaugler
OBJECTIVES: Systemic sclerosis (SSc) is an autoimmune disease, characterized by fibrosis of the skin and other organs, vascular impairment and deficient immune responses. Mucosal associated invariant T cells (MAIT) cells have been involved in various inflammatory and autoimmune diseases. The aim of this study was to determine the frequencies of MAIT cells in the blood of patients with systemic sclerosis (SSc), and to compare their distribution in the different types of SSc. PATIENTS AND METHODS: Blood samples from SSc patients and healthy controls were examined by flow cytometer to analyze the frequencies of MAIT and γδ T cells...
July 18, 2017: Scandinavian Journal of Immunology
https://www.readbyqxmd.com/read/28725552/repeated-inoculations-with-the-lung-and-heartworm-nematode-angiostrongylus-vasorum-result-in-increasing-larval-excretion-and-worm-burden-in-the-red-fox-vulpes-vulpes
#5
Ian David Woolsey, P Webster, S Thamsborg, Manuela Schnyder, Jesper Monrad, C M O Kapel
The French heartworm Angiostongylus vasorum is found in European red fox (Vulpes vulpes) and dog populations, where it appears to be spreading geographically. Once introduced into new areas, it establishes in local fox populations, typically to over 50% prevalence in a few years. High susceptibility and constant excretion of first stage larvae (L1) by the definitive hosts are prerequisites for sustaining high parasite biomass in a particular habitat. The present study explores the hypothesis that repeated ingestion of gastropods in nature will result in accumulation of adult worms and elevated excretion of L1 in feces...
December 2017: International Journal for Parasitology. Parasites and Wildlife
https://www.readbyqxmd.com/read/28725223/gas-exchange-disturbances-regulate-alveolar-fluid-clearance-during-acute-lung-injury
#6
REVIEW
István Vadász, Jacob I Sznajder
Disruption of the alveolar-capillary barrier and accumulation of pulmonary edema, if not resolved, result in poor alveolar gas exchange leading to hypoxia and hypercapnia, which are hallmarks of acute lung injury and the acute respiratory distress syndrome (ARDS). Alveolar fluid clearance (AFC) is a major function of the alveolar epithelium and is mediated by the concerted action of apically-located Na(+) channels [epithelial Na(+) channel (ENaC)] and the basolateral Na,K-ATPase driving vectorial Na(+) transport...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28725012/phycocyanin-attenuates-pulmonary-fibrosis-via-the-tlr2-myd88-nf-%C3%AE%C2%BAb-signaling-pathway
#7
Chengcheng Li, Yan Yu, Wenjun Li, Bo Liu, Xudong Jiao, Xinyu Song, Changjun Lv, Song Qin
Our aim was to investigate the effects of phycocyanin (PC) on bleomycin (BLM)-induced pulmonary fibrosis (PF). In this study, C57 BL/6 wild-type (WT) mice and toll-like receptor (TLR) 2 deficient mice were treated with PC for 28 days following BLM exposure. Serum and lung tissues were collected on days 3, 7 and 28. Data shows PC significantly decreased the levels of hydroxyproline (HYP), vimentin, surfactant-associated protein C (SP-C), fibroblast specific protein-1 (S100A4) and α-smooth muscle actin (α-SMA) but dramatically increased E-cadherin and podoplanin (PDPN) expression on day 28...
July 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28724233/examining-the-impact-of-active-clearance-of-chest-drainage-catheters-on-postoperative-atrial-fibrillation
#8
Samuel St-Onge, Walid Ben Ali, Ismail Bouhout, Denis Bouchard, Yoan Lamarche, Louis P Perrault, Philippe Demers
OBJECTIVE: Postoperative atrial fibrillation (POAF) is one of the most frequent complications encountered after heart surgery, and significantly increases complications and mortality. An obstructed chest tube, leaving unevacuated blood around the heart and lungs, can lead to atrial inflammation, which can trigger POAF. The aim of this study was to assess the effectiveness of chest drainage incorporating an active tube clearance (ATC) system in reducing the rate of POAF. METHODS: This retrospective analysis based on 300 consecutive patients undergoing heart surgery compared 142 patients allocated to an ATC drainage protocol with 158 controls managed with standard chest drainage...
August 2017: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28723951/cd8-t-cells-provide-immune-protection-against-murine-disseminated-endotheliotropic-orientia-tsutsugamushi-infection
#9
Guang Xu, Nicole L Mendell, Yuejin Liang, Thomas R Shelite, Yenny Goez-Rivillas, Lynn Soong, Donald H Bouyer, David H Walker
Scrub typhus, caused by a Gram-negative obligately intracellular coccobacillus, Orientia tsutsugamushi, is a long neglected but important tropical disease. Orientia tsutsugamushi causes illness in one million people each year, and 1 billion people are at risk. Without appropriate diagnosis and treatment, the disease can cause severe multiorgan failure with a case fatality rate of 7-15%. The current gaps in knowledge of immunity include the unknown mechanisms of host immunity to O. tsutsugamushi. Using an intravenous (i...
July 19, 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28722813/knockdown-of-long-non-coding-rna-malat1-inhibits-growth-and-motility-of-human-hepatoma-cells-via-modulation-of-mir-195
#10
Dingli Liu, Yun Zhu, Jinke Pang, Xie Weng, Xiaorong Feng, Yabing Guo
The metastasis-associated lung adenocarcinoma transcription 1 (Malat1) is a long non-coding RNA (lncRNA), exerts oncogenic role in multiple cancers, including hepatocellular carcinoma (HCC). This study was aimed to investigate its posttranscriptional regulation in HCC cells. RT-PCR was performed to monitor the expression levels of Malat1 in normal liver and HCC cell lines. The expression of Malat1, microRNA (miR)-195 and epidermal growth factor receptor (EGFR) in HepG2 and MHCC97 cells was respectively or synchronously altered by transfection...
July 19, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28722786/oncogenic-transformation-of-lung-cells-results-in-distinct-exosome-protein-profile-similar-to-the-cell-of-origin
#11
Richard J Lobb, Marcus L Hastie, Emma L Norris, Rosa van Amerongen, Jeffrey J Gorman, Andreas Möller
Lung cancer is responsible for the highest rate of cancer mortality worldwide. Lung cancer patients are often ineligible for tumour biopsies due to co-morbidities. As a result, patients may not have the most effective treatment regimens administered. Patients with mutations in the epidermal growth factor receptor (EGFR) have improved survival in response to EGFR tyrosine kinase inhibitors (TKIs). A non-invasive method of determining EGFR mutations in patients would have promising clinical applications. Exosomes have the potential to be non-invasive novel diagnostic markers in cancer...
July 19, 2017: Proteomics
https://www.readbyqxmd.com/read/28722770/asbestos-associated-genome-wide-dna-methylation-changes-in-lung-cancer
#12
Eeva Kettunen, Hector Hernandez-Vargas, Marie-Pierre Cros, Geoffroy Durand, Florence Le Calvez-Kelm, Kristina Stuopelyte, Sonata Jarmalaite, Kaisa Salmenkivi, Sisko Anttila, Henrik Wolff, Zdenko Herceg, Kirsti Husgafvel-Pursiainen
Previous studies have revealed a robust association between exposure to asbestos and human lung cancer. Accumulating evidence has highlighted the role of epigenome deregulation in the mechanism of carcinogen-induced malignancies. We examined the impact of asbestos on DNA methylation. Our genome-wide studies (using Illumina HumanMethylation450K BeadChip) of lung cancer tissue and paired normal lung from 28 asbestos-exposed or non-exposed patients, mostly smokers, revealed distinctive DNA methylation changes...
July 19, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28722755/the-potential-of-anti-infectives-and-immunomodulators-as-therapies-for-asthma-and-asthma-exacerbations
#13
Michael R Edwards, Ross P Walton, David J Jackson, Wojciech Feleszko, Chrysanthi Skevaki, Tuomas Jartti, Heidi Makrinoti, Alexandra Nikonova, Igor Shilovskiy, Jurgen Schwarze, Sebastian L Johnston, Musa Khaitov
Asthma is responsible for approximately 25,000 deaths annually in Europe despite available medicines that maintain asthma control and reduce asthma exacerbations. Better treatments are urgently needed for the control of chronic asthma and reduction of asthma exacerbations, the major cause of asthma mortality. Much research spanning >20 years shows a strong association between microorganisms including pathogens in asthma onset, severity and exacerbation, yet with the exception of antibiotics, few treatments are available that specifically target the offending pathogens...
July 19, 2017: Allergy
https://www.readbyqxmd.com/read/28722695/cardiac-cycle-efficiency-and-dicrotic-pressure-variations-new-parameters-for-fluid-therapy-a-pilot-observational-study
#14
Antonio Messina, Salvatore M Romano, Eleonora Bonicolini, Davide Colombo, Gianmaria Cammarota, Marco Chiostri, Francesco Della Corte, Paolo Navalesi, Didier Payen, Stefano Romagnoli
BACKGROUND: During a fluid challenge, the changes in cardiac performance and peripheral circulatory tone are closely related to the position of the ventricle on the Frank-Starling curve. Some patients have a good haemodynamic response to a fluid challenge, others hardly any response. The early haemodynamic effects of a fluid challenge could predict the final response before the entire fluid volume has been administered. OBJECTIVE: To assess whether a multivariate logistic regression model, including pulse pressure variation (PPV), cardiac cycle efficiency (CCE), arterial elastance and the difference between the dicrotic pressure and both systolic and mean arterial pressure (SAP - Pdic and MAP - Pdic) can predict cardiac responsiveness early during a fluid challenge in comparison with the standard procedure described elsewhere...
June 19, 2017: European Journal of Anaesthesiology
https://www.readbyqxmd.com/read/28720732/pseudomonas-aeruginosa-alters-staphylococcus-aureus-sensitivity-to-vancomycin-in-a-biofilm-model-of-cystic-fibrosis-infection
#15
Giulia Orazi, George A O'Toole
The airways of cystic fibrosis (CF) patients have thick mucus, which fosters chronic, polymicrobial infections. Pseudomonas aeruginosa and Staphylococcus aureus are two of the most prevalent respiratory pathogens in CF patients. In this study, we tested whether P. aeruginosa influences the susceptibility of S. aureus to frontline antibiotics used to treat CF lung infections. Using our in vitro coculture model, we observed that addition of P. aeruginosa supernatants to S. aureus biofilms grown either on epithelial cells or on plastic significantly decreased the susceptibility of S...
July 18, 2017: MBio
https://www.readbyqxmd.com/read/28720332/synthesis-and-biological-evaluation-of-fluoro-substituted-3-4-dihydroquinazoline-derivatives-for-cytotoxic-and-analgesic-effects
#16
Jin Han Kim, Hui Rak Jeong, Da Woon Jung, Hong Bin Yoon, Sun Young Kim, Hyoung Ja Kim, Kyung-Tae Lee, Vinicius M Gadotti, Junting Huang, Fang-Xiong Zhang, Gerald W Zamponi, Jae Yeol Lee
As a bioisosteric strategy to overcome the poor metabolic stability of lead compound KYS05090S, a series of new fluoro-substituted 3,4-dihydroquinazoline derivatives was prepared and evaluated for T-type calcium channel (Cav3.2) block, cytotoxic effects and liver microsomal stability. Among them, compound 8h (KCP10068F) containing 4-fluorobenzyl amide and 4-cyclohexylphenyl ring potently blocked Cav3.2 currents (>90% inhibition) at 10μM concentration and exhibited cytotoxic effect (IC50=5.9μM) in A549 non-small cell lung cancer cells that was comparable to KYS05090S...
July 8, 2017: Bioorganic & Medicinal Chemistry
https://www.readbyqxmd.com/read/28719821/bcg-old-workhorse-new-skills
#17
REVIEW
M Gengenbacher, N E Nieuwenhuizen, She Kaufmann
Bacille Calmette-Guérin (BCG), the only tuberculosis (TB) vaccine in clinical practice, has limitations in efficacy, immunogenicity and safety. Much current TB vaccine research focuses on engineering live mycobacteria to interfere with phagosome biology and host intracellular pathways including apoptosis and autophagy, with candidates such as BCG Δzmp1, BCG ΔureC::hly, BCG::ESX-1(Mmar), Mtb ΔphoP ΔfadD26, Mtb ΔRD1 ΔpanCD and M. smegmatis Δesx-3::esx-3(Mtb) in the development pipeline. Correlates of protection in preclinical studies include increased central memory CD4(+) T cells and recruitment of antigen-specific T cells to the lungs, with mucosal vaccination found to be superior to parenteral vaccination...
July 15, 2017: Current Opinion in Immunology
https://www.readbyqxmd.com/read/28719147/human-immunology-studies-using-organ-donors-impact-of-clinical-variations-on-immune-parameters-in-tissues-and-circulation
#18
D J Carpenter, T Granot, N Matsuoka, T Senda, B V Kumar, J J C Thome, C L Gordon, M Miron, J Weiner, T Connors, H Lerner, A Friedman, T Kato, A D Griesemer, D L Farber
Organ donors are sources of physiologically healthy organs and tissues for life-saving transplantation, and have been recently used for human immunology studies which are typically confined to the sampling of peripheral blood. Donors comprise a diverse population with different causes of death and clinical outcomes during hospitalization, and the effects of such variations on immune parameters in blood and tissues are not known. We present here coordinate analyses of innate and adaptive immune components in blood, lymphoid (bone marrow, spleen, lymph nodes), and mucosal (lungs, intestines) sites from a population of brain-dead organ donors (3-months-93-years; n=291) across eight clinical parameters...
July 18, 2017: American Journal of Transplantation
https://www.readbyqxmd.com/read/28719135/multiple-breath-washout-in-paediatric-patients-after-lung-transplantation
#19
Sylvia Nyilas, Julia Carlens, Timothy Price, Florian Singer, Carsten Müller, Gesine Hansen, Gregor Warnecke, Philipp Latzin, Nicolaus Schwerk
Forced expiratory volume in 1 second (FEV1 ) from spirometry, is the most commonly used parameter to detect early allograft dysfunction after lung transplantation (LTx). There are concerns regarding its sensitivity. Nitrogen-multiple breath washout (N2 -MBW) is sensitive at detecting early global (lung clearance index; LCI), and acinar (Sacin ) airway inhomogeneity. We investigated whether N2 -MBW indices indicate small airways pathology after LTx in children with stable spirometry. Thirty-seven children without BOS on median 1...
July 18, 2017: American Journal of Transplantation
https://www.readbyqxmd.com/read/28719033/identification-of-driver-copy-number-alterations-in-diverse-cancer-types-and-application-in-drug-repositioning
#20
Wenbin Zhou, Zhangxiang Zhao, Ruiping Wang, Yue Han, Chengyu Wang, Fan Yang, Ya Han, Haihai Liang, Lishuang Qi, Chenguang Wang, Zheng Guo, Yunyan Gu
Results from numerous studies suggest an important role for somatic copy number alterations (SCNAs) in cancer progression. Our work aimed to identify the drivers (oncogenes or tumor suppressor genes) that reside in recurrently aberrant genomic regions, including a large number of genes or non-coding genes, which remain a challenge for decoding the SCNAs involved in carcinogenesis. Here, we propose a new approach to comprehensively identify drivers, using 8740 cancer samples involving 18 cancer types from The Cancer Genome Atlas (TCGA)...
July 18, 2017: Molecular Oncology
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