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Lung injury

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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
#1
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
#2
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/28644101/safety-and-cost-efficiency-of-a-restrictive-transfusion-protocol-in-patients-with-traumatic-brain-injury
#3
Laura B Ngwenya, Catherine G Suen, Phiroz E Tarapore, Geoffrey T Manley, Michael C Huang
OBJECTIVE Blood loss and moderate anemia are common in patients with traumatic brain injury (TBI). However, despite evidence of the ill effects and expense of the transfusion of packed red blood cells, restrictive transfusion practices have not been universally adopted for patients with TBI. At a Level I trauma center, the authors compared patients with TBI who were managed with a restrictive (target hemoglobin level > 7 g/dl) versus a liberal (target hemoglobin level > 10 g/dl) transfusion protocol. This study evaluated the safety and cost-efficiency of a hospital-wide change to a restrictive transfusion protocol...
June 23, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28644058/air-embolism-diagnosis-and-management
#4
Neera Malik, Paul L Claus, Jeffery E Illman, Seth J Kligerman, Michael R Moynagh, David L Levin, David A Woodrum, Arvin Arani, Shivaram P Arunachalam, Philip A Araoz
Air embolism is an uncommon, but potentially life-threatening event for which prompt diagnosis and management can result in significantly improved patient outcomes. Most air emboli are iatrogenic. Arterial air emboli may occur as a complication from lung biopsy, arterial catheterization or cardiopulmonary bypass. Immediate management includes placing the patient on high-flow oxygen and in the right lateral decubitus position. Venous air emboli may occur during pressurized venous infusions, or catheter manipulation...
June 23, 2017: Future Cardiology
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
#5
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
#6
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/28641140/effect-of-c1-inh-on-ischemia-reperfusion-injury-in-a-porcine-limb-ex-vivo-perfusion-model
#7
Mai M Abdelhafez, Jane Shaw, Damian Sutter, Jonas Schnider, Yara Banz, Hansjörg Jenni, Esther Voegelin, Mihai A Constantinescu, Robert Rieben
Revascularization of an amputated limb within 4-6h is essential to avoid extensive ischemia/reperfusion (I/R) injury leading to vascular leakage, edema and tissue necrosis. I/R injury is a pathological inflammatory condition that occurs during reperfusion of an organ or tissue after prolonged ischemia. It is characterized by a complex crosstalk between endothelial cell activation and the activation of plasma cascades. Vasculoprotective pharmacological intervention to prevent I/R injury might be an option to prolong the time window between limb amputation and successful replantation...
June 19, 2017: Molecular Immunology
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
#8
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
#9
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/28639442/weightbearing-ankle-dorsiflexion-range-of-motion-and-sagittal-plane-kinematics-during-single-leg-drop-jump-landing-in-healthy-male-athletes
#10
Brittany Dowling, April L McPherson, James M Paci
BACKGROUND: Passive ankle dorsiflexion range of motion (DROM) measures have been identified as a risk factor for injury during landings. However, passive measurements might not be indicative of dynamic ankle movement, whereas a weightbearing ROM might be a better tool when evaluating movement. The purpose of this study was to investigate the relationship between weightbearing DROM and sagittal plane landing mechanics in a single leg drop jump task. METHODS: 73 male athletes (22...
June 21, 2017: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/28638955/lipopolysaccharide-induced-ccn1-production-enhances-interleukin-6-secretion-in-bronchial-epithelial-cells
#11
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
#12
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
#13
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
#14
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/28637572/investigating-cyclooxygenase-inhibition-in-a-rat-pulmonary-contusion-model-a-laboratory-study-finding-no-improvement-with-ibuprofen
#15
John P Sharpe, Nick R Khan, Arindam R Chatterjee, Jinsong Huang, Louis J Magnotti, Martin A Croce, Timothy C Fabian
Minimal advances have been made in the management of pulmonary contusions (PCs). The purpose of this study was to evaluate the impact of cyclooxygenase inhibition on outcomes following PC in a rat model. PC was induced in anesthetized adult rats. Ibuprofen was given to the treatment group (TG) and water was given to the control group (CG). Lung injury was assessed with pulse oximetry, arterial blood gases, CT, and histopathologic examination. Inflammation was measured with both serum and bronchoalveolar lavage (BAL) levels of tumor necrosis factor α and interleukin-6...
June 1, 2017: American Surgeon
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
#16
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/28636548/ilomastat-a-synthetic-inhibitor-of-mmps-prevents-lung-injury-induced-by-%C3%AE-ray-irradiation-in-mice
#17
Xiaoman Li, Dehui Ma, Xiaodan Zha, Dongqin Quan, Dong Pan, Manji Sun, Burong Hu, Baoquan Zhao
Lung injury is one of the pathological features in human or animal after radiation and the main side effect for patient after lung cancer radiotherapy. The efficient protective strategy still needs to exploit and the underlying mechanisms remain to be investigated. We found that the expression and activity of matrix metalloproteinases (MMPs) significantly increased at the early stage of radiation-induced lung injury (RILI). Pretreatment with Ilomastat, a synthetic inhibitor of MMPs, decreased the expression and activity of MMPs and significantly alleviated the lung inflammation and fibrosis in the irradiated mice, as well as enhanced the survival of irradiated mice...
June 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28636403/applying-precision-medicine-to-trial-design-using-physiology-extracorporeal-co2-removal-for-ards
#18
Ewan C Goligher, Marcelo B P Amato, Arthur S Slutsky
In clinical trials of therapies for ARDS, the average treatment effect in the study population may be attenuated because individual patient responses vary widely. This inflates sample size requirements and increases the cost and difficulty of conducting successful clinical trials. One solution is to enrich the study population with patients most likely to benefit based on predicted patient response to treatment (predictive enrichment). In this perspective, we apply the precision medicine paradigm to the emerging use of extracorporeal CO2 removal (ECCO2R) for ultra-protective ventilation in ARDS...
June 21, 2017: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/28636254/pirfenidone-reduces-subchondral-bone-loss-and-fibrosis-after-murine-knee-cartilage-injury
#19
Deva D Chan, Jun Li, Wei Luo, Dan N Predescu, Brian J Cole, Anna Plaas
Pirfenidone is an anti-inflammatory and anti-fibrotic drug that has shown efficacy in lung and kidney fibrosis. Because inflammation and fibrosis have been linked to the progression of osteoarthritis, we investigated the effects of oral Pirfenidone in a mouse model of cartilage injury, which results in chronic inflammation and joint-wide fibrosis in mice that lack hyaluronan synthase 1 (Has1(-/-) ) in comparison to wild-type. Femoral cartilage was surgically injured in wild-type and Has1(-/-) mice, and Pirfenidone was administered in food starting after 3 days...
June 21, 2017: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
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
#20
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
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