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Acute lung injury

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https://www.readbyqxmd.com/read/28645823/recombinant-human-soluble-thrombomodulin-prevents-acute-lung-injury-in-a-rat-cardiopulmonary-bypass-model
#1
Shingo Hirao, Kenji Minakata, Hidetoshi Masumoto, Kazuhiro Yamazaki, Tadashi Ikeda, Kenji Minatoya, Ryuzo Sakata
BACKGROUND: Cardiopulmonary bypass (CPB) may induce systemic inflammatory responses causing acute lung injury. Recombinant human soluble thrombomodulin (rTM) is reported to attenuate the secretion of inflammatory cytokines and the high-mobility group box 1 (HMGB1) protein, which is critical in controlling systemic inflammation and apoptosis. We investigated the protective effects of rTM on CPB-induced lung injury in a rat model. METHODS: Eighteen male Sprague-Dawley rats were divided into 3 groups: sham, control (CPB alone), and rTM (CPB + rTM)...
May 30, 2017: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28644965/3-4-dihydroxybenzalacetone-attenuates-lipopolysaccharide-induced-inflammation-in-acute-lung-injury-via-down-regulation-of-mmp-2-and-mmp-9-activities-through-suppressing-ros-mediated-mapk-and-pi3k-akt-signaling-pathways
#2
Wei Chao, Jeng-Shyan Deng, Shyh-Shyun Huang, Pei-Ying Li, Yu-Chia Liang, Guan-Jhong Huang
3, 4-Dihydroxybenzalacetone (DBL) is a constituent of Phellinus linteus. This study demonstrated the protective effect of DBL on lipopolysaccharide (LPS)-induced acute lung injuries in mice. Pretreatment with DBL significantly improved LPS-induced histological alterations in lung tissues. In addition, DBL markedly reduced the total cell number, the leukocytes, the protein concentrations, and decreased the release of nitrite, tumor necrosis factor (TNF)-α, interleukin (IL)-1β, IL-6 and the activities of matrix metalloproteinase (MMP)-2 and -9 in the bronchoalveolar lavage fluid...
June 20, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28644844/carbonic-anhydrase-inhibitor-attenuates-ischemia-reperfusion-induced-acute-lung-injury
#3
Chou-Chin Lan, Chung-Kan Peng, Shih-En Tang, Kun-Lun Huang, Chin-Pyng Wu
Ischemia-reperfusion (IR)-induced acute lung injury (ALI) is implicated in several clinical conditions including lung transplantation, cardiopulmonary bypass surgery, re-expansion of collapsed lung from pneumothorax or pleural effusion and etc. IR-induced ALI remains a challenge in the current treatment. Carbonic anhydrase has important physiological function and influences on transport of CO2. Some investigators suggest that CO2 influences lung injury. Therefore, carbonic anhydrase should have the role in ALI...
2017: PloS One
https://www.readbyqxmd.com/read/28643320/revised-protocol-of-extracorporeal-membrane-oxygenation-ecmo-therapy-in-severe-ards-recommendations-of-the-veno-venous-ecmo-expert-panel-appointed-in-february-2016-by-the-national-consultant-on-anesthesiology-and-intensive-care
#4
Romuald Lango, Zbigniew Szkulmowski, Dariusz Maciejewski, Andrzej Sosnowski, Krzysztof Kusza
Extracorporeal Membrane Oxygenation (ECMO) has become well established technique of the treatment of severe acute respiratory failure (Veno-Venous ECMO) or circulatory failure (Veno-Arterial ECMO) which enables effective blood oxygenation and carbon dioxide removal for several weeks. Veno-Venous ECMO (V-V ECMO ) is a lifesaving treatment of patients in whom severe ARDS makes artificial lung ventilation unlikely to provide satisfactory blood oxygenation for preventing further vital organs damage and progression to death...
2017: Anaesthesiology Intensive Therapy
https://www.readbyqxmd.com/read/28642115/anti-tnf%C3%AE-therapy-in-inflammatory-lung-diseases-bn
#5
REVIEW
Rama Malaviya, Jeffrey D Laskin, Debra L Laskin
Increased levels of tumor necrosis factor (TNF) α have been linked to a number of pulmonary inflammatory diseases including asthma, chronic obstructive pulmonary disease (COPD), acute lung injury (ALI)/acute respiratory distress syndrome (ARDS), sarcoidosis, and interstitial pulmonary fibrosis (IPF). TNFα plays multiple roles in disease pathology by inducing an accumulation of inflammatory cells, stimulating the generation of inflammatory mediators, and causing oxidative and nitrosative stress, airway hyperresponsiveness and tissue remodeling...
June 19, 2017: Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28640648/extracellular-vesicle-transfer-from-mesenchymal-stromal-cells-modulates-macrophage-function-in-acute-lung-injury-basic-science-and-clinical-implications
#6
Michael A Matthay
No abstract text is available yet for this article.
June 22, 2017: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/28639789/anti-inflammatory-effect-of-anti-tnf-%C3%AE-cationic-phosphorous-dendrimers-nanocomplexes-administered-intranasally-in-a-murine-acute-lung-injury-model
#7
Adam Bohr, Nicolas Tsapis, Ilaria Andreana, Anais Chamarat, Camilla Foged, Claudine Delomenie, Magali Noiray, Nabil El Brahmi, Jean Pierre Majoral, Serge Mignani, Elias Fattal
Inflammation is an essential component of many lung diseases, including asthma, chronic obstructive pulmonary disease (COPD) or acute lung injury. Our purpose was to design efficient carriers for lung delivery of small interfering RNA (siRNA) targeting tumor necrosis factor (TNF-α) in an acute lung injury model. To achieve this goal, two different types of phosphorus-based dendrimers with either pyrrolidinium or morpholinium as terminal protonated amino groups were selected for their better biocompatibility compared to other dendrimers...
June 22, 2017: Biomacromolecules
https://www.readbyqxmd.com/read/28638955/lipopolysaccharide-induced-ccn1-production-enhances-interleukin-6-secretion-in-bronchial-epithelial-cells
#8
Lin Shi, Nian Dong, Dongxiang Ji, Xiaomin Huang, Zhaojian Ying, Xiangdong Wang, Chengshui Chen
Acute lung injury/acute respiratory distress syndrome (ALI/ARDS) is a clinical complication caused by primary or secondary lung injury, as well as by systemic inflammation. Researches regarding molecular pathophysiology of ALI/ARDS are immerging with an ultimate aim towards developing prognostic molecular biomarkers and molecule-based therapy. However, the molecular mechanisms concerning ALI/ARDS are still not completely understood. The purpose of the present study was to identify a crucial role of CCN1 in inflammatory microenvironment during ALI/ARDS and focus on a potential communication between CCN1 and interleukin-6 (IL-6) in the airway epithelial cells...
June 21, 2017: Cell Biology and Toxicology
https://www.readbyqxmd.com/read/28638921/-protective-effect-of-synthetic-salidroside-on-acute-lung-injury-in-rats
#9
Qian Huang, Yan-Chun Cai, Xiao-Li Wei, Jin-Long Wu, Ru-Huan Mei, Xiao-Lan Hu
To study the protective effect and mechanism of synthetic salidroside on acute lung injury (ALI) induced by lipopolysaccharide (LPS), male Sprague-Dawley (SD) rats were randomly divided into saline control group, 3 mg/kg LPS model group, different doses of salidroside groups (5, 20 and 80 mg/kg), and 5 mg/kg dexamethasone group. Intratracheal LPS instillation was used to establish the ALI model 0.5 h after intraperitoneal injection of salidroside or dexamethasone, and the rats were sacrificed 6 h later. Lung wet/dry weight ratio (W/D) was calculated...
June 25, 2017: Sheng Li Xue Bao: [Acta Physiologica Sinica]
https://www.readbyqxmd.com/read/28638883/antioxidant-and-anti-inflammatory-effects-of-rhamnazin-on-lipopolysaccharide-induced-acute-lung-injury-and-inflammation-in-rats
#10
GuoRong Wu, XiaoPing Dai, XiangRong Li, HePing Jiang
BACKGROUND: Acute Lung Injury (ALI) results into severe inflammation and oxidative stress to the pulmonary tissue. Rhamnazin is a natural flavonoid and known for its antioxidant and anti-inflammatory properties. MATERIALS AND METHODS: The antioxidative and anti-inflammatory properties rhamnazin were tested for protection against the acute lung injury. We investigated whether rhamnazin improves the lipopolysaccharide (LPS)-induced ALI in an animal model (rat). We also studied the probable molecular mechanism of action of rhamnazin...
2017: African Journal of Traditional, Complementary, and Alternative Medicines: AJTCAM
https://www.readbyqxmd.com/read/28637971/esculentoside-a-ameliorates-cecal-ligation-and-puncture-induced-acute-kidney-injury-in-rats
#11
Guodong Sun, Wei Yang, Yang Zhang, Mingyan Zhao
Esculentoside A (EsA), a saponin isolated from Phytolacca esculenta, can attenuate acute liver and lung injury. However, whether EsA has a protective effect against sepsis-induced acute kidney injury (AKI) has not been reported. In this study, EsA (2.5, 5, or 10 mg/kg) was given to rats with sepsis induced by cecal ligation and puncture (CLP). We found that EsA improved the survival of septic rats in a dose-dependent manner. In addition, EsA lowered the kidney tubular damage score and decreased blood urea nitrogen and creatinine...
June 22, 2017: Experimental Animals
https://www.readbyqxmd.com/read/28637080/the-prognostic-importance-of-bronchoalveolar-lavage-fluid-cxcl9-during-minimal-acute-rejection-on-the-risk-of-chronic-lung-allograft-dysfunction
#12
M Y Shino, S S Weigt, N Li, A Derhovanessian, D M Sayah, R Saggar, Richard H Huynh, A L Gregson, A Ardehali, D J Ross, J P Lynch, R M Elashoff, J A Belperio
The clinical significance and treatment strategies for minimal acute rejection (grade A1), the most common form of acute rejection (AR), remains controversial. In this retrospective single-center cohort study of 441 lung transplant recipients, we formally evaluate the association between minimal AR and chronic lung allograft dysfunction (CLAD) and test a novel hypothesis using BAL CXCL9 concentration during minimal AR as a biomarker of subsequent CLAD development. In univariable and multivariable models adjusted for all histopathologic injury patterns, minimal AR was not associated with CLAD development...
June 21, 2017: American Journal of Transplantation
https://www.readbyqxmd.com/read/28636082/salvianolic-acid-b-protects-against-acute-lung-injury-by-decreasing-trpm6-and-trpm7-expressions-in-a-rat-model-of-sepsis
#13
Chu-Wei Yang, Hui Liu, Xiang-Dong Li, Shao-Guang Sui, Yu-Fei Liu
This study aimed to investigate the protective effects of salvianolic acid B (SA-B) on acute lung injury (ALI) through decreasing the expressions of channel kinase's TRPM6 and TRPM7. Wistar Septic rat models were established by lipopolysaccharide (LPS), which were separated into the control, lipopolysaccharide (LPS), SA-B, SA-B + si-TRPM6, SA-B + si-TRPM7, si-TRPM6 and si-TRPM7 groups. Arterial blood gas, protein content, total white blood cell (WBC) count and the percentage of polymorphonuclear neutrophils (PMN%) were measured...
June 21, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28634220/tidal-changes-on-ct-and-progression-of-ards
#14
Maurizio Cereda, Yi Xin, Hooman Hamedani, Giacomo Bellani, Stephen Kadlecek, Justin Clapp, Luca Guerra, Natalie Meeder, Jennia Rajaei, Nicholas J Tustison, James C Gee, Brian P Kavanagh, Rahim R Rizi
BACKGROUND: Uncertain prediction of outcome in acute respiratory distress syndrome (ARDS) impedes individual patient management and clinical trial design. OBJECTIVES: To develop a radiological metric of injurious inflation derived from matched inspiratory and expiratory CT scans, calibrate it in a model of experimental lung injury, and test it in patients with ARDS. METHODS: 73 anaesthetised rats (acid aspiration model) were ventilated (protective or non-protective) for up to 4 hours to generate a spectrum of lung injury...
June 20, 2017: Thorax
https://www.readbyqxmd.com/read/28632754/permissive-hypercapnia-for-severe-acute-respiratory-distress-syndrome-in-immunocompromised-children-a-single-center-experience
#15
Hans Fuchs, Nicola Rossmann, Manuel B Schmid, Manfred Hoenig, Ulrich Thome, Benjamin Mayer, Daniel Klotz, Helmut D Hummler
BACKGROUND: Controlled hypoventilation while accepting hypercapnia has been advocated to reduce ventilator-induced lung injury. The aim of the study was to analyze outcomes of a cohort of immunocompromised children with acute respiratory distress syndrome (ARDS) ventilated with a strategy of stepwise increasing PCO2 targets up to 140 mm Hg. METHODS: Retrospective analysis of outcomes of a cohort of children with oncologic disease or after stem cell transplantation and severe respiratory failure in comparison with a historical control cohort...
2017: PloS One
https://www.readbyqxmd.com/read/28632510/itraq-based-quantitative-proteomic-analysis-of-lungs-in-murine-polymicrobial-sepsis-with-hydrogen-gas-treatment
#16
Yingxue Bian, Chao Qin, Yuchang Xin, Yang Yu, Hongguang Chen, Guolin Wang, Keliang Xie, Yonghao Yu
Sepsis-associated acute lung injury (ALI), which carries a high morbidity and mortality in patients, has no effective therapeutic strategies to date. Our group have already reported that hydrogen gas (H2) exerts a protective effect against sepsis in mice. However, the molecular mechanisms underlying H2 treatment are not fully understood. This study investigated the effects of H2 on lung injuries in septic mice through the iTRAQ-based quantitative proteomic analysis. Male ICR mice used in this study were subjected to cecal ligation and puncture (CLP) or sham operation...
June 19, 2017: Shock
https://www.readbyqxmd.com/read/28630905/mechanical-deformation-induces-depolarization-of-neutrophils
#17
Andrew E Ekpenyong, Nicole Toepfner, Christine Fiddler, Maik Herbig, Wenhong Li, Gheorghe Cojoc, Charlotte Summers, Jochen Guck, Edwin R Chilvers
The transition of neutrophils from a resting state to a primed state is an essential requirement for their function as competent immune cells. This transition can be caused not only by chemical signals but also by mechanical perturbation. After cessation of either, these cells gradually revert to a quiescent state over 40 to 120 min. We use two biophysical tools, an optical stretcher and a novel microcirculation mimetic, to effect physiologically relevant mechanical deformations of single nonadherent human neutrophils...
June 2017: Science Advances
https://www.readbyqxmd.com/read/28629448/azithromycin-for-idiopathic-acute-exacerbation-of-idiopathic-pulmonary-fibrosis-a-retrospective-single-center-study
#18
Kodai Kawamura, Kazuya Ichikado, Yuko Yasuda, Keisuke Anan, Moritaka Suga
BACKGROUND: Acute exacerbation (AE) of idiopathic pulmonary fibrosis (IPF) is a fatal condition without an established pharmaceutical treatment. Most patients are treated with high-dose corticosteroids and broad-spectrum antibiotics. Azithromycin is a macrolide with immunomodulatory activity and may be beneficial for treatment of acute lung injury. The objective of this study was to determine the effect of azithromycin on survival of patients with idiopathic AE of IPF. METHODS: We evaluated 85 consecutive patients hospitalized in our department for idiopathic AE of IPF from April 2005 to August 2016...
June 19, 2017: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/28629359/forced-expiration-measurements-in-mouse-models-of-obstructive-and-restrictive-lung-diseases
#19
Fien C Devos, André Maaske, Annette Robichaud, Lore Pollaris, Sven Seys, Carolina Aznar Lopez, Erik Verbeken, Matthias Tenbusch, Rik Lories, Benoit Nemery, Peter Hm Hoet, Jeroen Aj Vanoirbeek
BACKGROUND: Pulmonary function measurements are important when studying respiratory disease models. Both resistance and compliance have been used to assess lung function in mice. Yet, it is not always clear how these parameters relate to forced expiration (FE)-related parameters, most commonly used in humans. We aimed to characterize FE measurements in four well-established mouse models of lung diseases. METHOD: Detailed respiratory mechanics and FE measurements were assessed concurrently in Balb/c mice, using the forced oscillation and negative pressure-driven forced expiration techniques, respectively...
June 19, 2017: Respiratory Research
https://www.readbyqxmd.com/read/28628542/a-rare-intramedullary-spinal-cord-metastasis-from-a-retroperitoneal-leiomyosarcoma-presenting-as-a-non-traumatic-spinal-cord-injury
#20
Andrew Lamberth Parker, Terrence Pugh, Mark A Hirsch
Leiomyosarcoma (LMS) is a rare but well-recognized malignant soft tissue sarcoma of smooth muscle origin. Metastases commonly occur in the lungs, liver, kidney, brain, and bone. Cases of metastatic osseous lesions or other extradural space-occupying masses secondary to LMS leading to neurologic compromise are relatively commonplace in the literature. Conversely, cases of intramedullary spinal cord metastasis (ISCM), an unusual entity as a sequela of any cancer, are exceedingly rare as a consequence of LMS. Only 2 cases of an ISCM from LMS are currently documented in the literature, and to the best of our knowledge, no case is described in the rehabilitation literature...
July 2017: American Journal of Physical Medicine & Rehabilitation
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