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acute lung injury and sepsis

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https://www.readbyqxmd.com/read/29156532/paclitaxel-alleviated-liver-injury-of-septic-mice-by-alleviating-inflammatory-response-via-microrna-27a-tab3-nf-%C3%AE%C2%BAb-signaling-pathway
#1
Qiu Yang, Dongshan Zhang, Ya Li, Yongquan Li, Yinpeng Li
Excessive inflammatory response and apoptosis play an important role in the sepsis-induced liver injury. Paclitaxel, a diterpene alkaloid of Taxus brevifolia, is widely used as an anti-tumor drug and shows protective effects on acute lung and kidney injury. However, whether it has a protective effect against sepsis-induced liver injury has not been reported. The objective of this study was to investigate the protective effects of paclitaxel in septic liver injury in mice and associated molecular mechanisms...
November 15, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29149961/practice-variation-in-the-immediate-postoperative-care-of-pediatric-kidney-transplantation-a-national-survey
#2
S Abu-Sultaneh, M J Hobson, A C Wilson, W C Goggins, M E Nitu, R Lutfi
INTRODUCTION: Advances in organ allocation, surgical technique, immunosuppression, and long-term follow-up have led to a significant improvement in kidney transplant outcomes. Although there are clear recommendations for several aspects of kidney transplant management, there are no pediatric-specific guidelines for immediate postoperative care. The aim of this survey is to examine practice variations in the immediate postoperative care of pediatric kidney transplant patients. METHODS: We surveyed medical directors of Pediatric Acute Lung Injury and Sepsis Investigators (PALISI)-affiliated pediatric intensive care units regarding center-specific immediate postoperative management of pediatric kidney transplantation...
November 2017: Transplantation Proceedings
https://www.readbyqxmd.com/read/29140970/clinical-impact-of-external-laryngeal-manipulation-during-laryngoscopy-on-tracheal-intubation-success-in-critically-ill-children
#3
Taiki Kojima, Elizabeth K Laverriere, Erin B Owen, Ilana Harwayne-Gidansky, Asha N Shenoi, Natalie Napolitano, Kyle J Rehder, Michelle A Adu-Darko, Sholeen T Nett, Debbie Spear, Keith Meyer, John S Giuliano, Keiko M Tarquinio, Ronald C Sanders, Jan Hau Lee, Dennis W Simon, Paula A Vanderford, Anthony Y Lee, Calvin A Brown, Peter W Skippen, Ryan K Breuer, Iris Toedt-Pingel, Simon J Parsons, Eleanor A Gradidge, Lily B Glater, Kathleen Culver, Simon Li, Lee A Polikoff, Joy D Howell, Gabrielle Nuthall, Gokul K Bysani, Ana L Graciano, Guillaume Emeriaud, Osamu Saito, Alberto Orioles, Karen Walson, Philipp Jung, Awni M Al-Subu, Takanari Ikeyama, Rakshay Shetty, Kathleen M Yoder, Vinay M Nadkarni, Akira Nishisaki
OBJECTIVES: External laryngeal manipulation is a commonly used maneuver to improve visualization of the glottis during tracheal intubation in children. However, the effectiveness to improve tracheal intubation attempt success rate in the nonanesthesia setting is not clear. The study objective was to evaluate the association between external laryngeal manipulation use and initial tracheal intubation attempt success in PICUs. DESIGN: A retrospective observational study using a multicenter emergency airway quality improvement registry...
November 14, 2017: Pediatric Critical Care Medicine
https://www.readbyqxmd.com/read/29140968/end-tidal-carbon-dioxide-use-for-tracheal-intubation-analysis-from-the-national-emergency-airway-registry-for-children-near4kids-registry
#4
Melissa L Langhan, Beth L Emerson, Sholeen Nett, Matthew Pinto, Ilana Harwayne-Gidansky, Kyle J Rehder, Conrad Krawiec, Keith Meyer, John S Giuliano, Erin B Owen, Keiko M Tarquinio, Ron C Sanders, Michael Shepherd, Gokul Kris Bysani, Asha N Shenoi, Natalie Napolitano, Sandeep Gangadharan, Simon J Parsons, Dennis W Simon, Vinay M Nadkarni, Akira Nishisaki
OBJECTIVE: Waveform capnography use has been incorporated into guidelines for the confirmation of tracheal intubation. We aim to describe the trend in waveform capnography use in emergency departments and PICUs and assess the association between waveform capnography use and adverse tracheal intubation-associated events. DESIGN: A multicenter retrospective cohort study. SETTING: Thirty-four hospitals (34 ICUs and nine emergency departments) in the National Emergency Airway Registry for Children quality improvement initiative...
November 14, 2017: Pediatric Critical Care Medicine
https://www.readbyqxmd.com/read/29137274/effective-protection-against-acute-respiratory-distress-syndrome-sepsis-injury-by-combined-adipose-derived-mesenchymal-stem-cells-and-preactivated-disaggregated-platelets
#5
Chih-Hung Chen, Yung-Lung Chen, Pei-Hsun Sung, Cheuk-Kwan Sun, Kuan-Hung Chen, Yi-Ling Chen, Tien-Hung Huang, Hung-I Lu, Fan-Yen Lee, Jiunn-Jye Sheu, Sheng-Ying Chung, Mel S Lee, Hon-Kan Yip
This study assessed whether combining adipose-derived mesenchymal stem cells (ADMSC) with preactivated, disaggregated shape-changed platelets (PreD-SCP) was superior to either therapy alone for protecting rat lung from acute respiratory distress syndrome (ARDS) complicated by sepsis. ARDS and sepsis were induced through 100% oxygen inhalation and peritoneal administration of 1.5 mg/kg lipopolysaccharide (LPS), respectively. Adult-male Sprague-Dawley rats (n=40) were randomized into sham-control (SC), ARDS-LPS, ARDS-LPS-ADMSC (1...
October 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/29132435/vasculotide-reduces-pulmonary-hyperpermeability-in-experimental-pneumococcal-pneumonia
#6
Birgitt Gutbier, Xiaohui Jiang, Kristina Dietert, Carolin Ehrler, Jasmin Lienau, Paul Van Slyke, Harold Kim, Van C Hoang, Jason T Maynes, Daniel J Dumont, Achim D Gruber, Norbert Weissmann, Timothy J Mitchell, Norbert Suttorp, Martin Witzenrath
BACKGROUND: Community-acquired pneumonia (CAP) is a significant cause of morbidity and mortality worldwide. Despite effective antimicrobial therapy, CAP can induce pulmonary endothelial hyperpermeability resulting in life-threatening lung failure due to an exaggerated host-pathogen interaction. Treatment of acute lung injury is mainly supportive because key elements of inflammation-induced barrier disruption remain undetermined. Angiopoietin-1 (Ang-1)-mediated Tie2 activation reduces, and the Ang-1 antagonist Ang-2 increases, inflammation and endothelial permeability in sepsis...
November 13, 2017: Critical Care: the Official Journal of the Critical Care Forum
https://www.readbyqxmd.com/read/29127519/neutrophil-biology-within-hepatic-environment
#7
REVIEW
Débora Moreira Alvarenga, Matheus Silvério Mattos, Alan Moreira Araújo, Maísa Mota Antunes, Gustavo Batista Menezes
Neutrophils are the most abundant leukocyte in the human circulation. These short-lived cells are constantly produced from hematopoietic stem cells (HSC) within the bone marrow from which they daily reach the blood and perform major roles in innate immunity. Neutrophils are the first cells to reach inflamed tissues and are armed with a plethora of enzymes that help both with their trafficking within tissues and the killing of pathogens. Damaged or infected organs are rapidly invaded by neutrophils. Their erroneous activation within parenchyma or the vasculature is involved in the pathogenesis of several inflammatory diseases including arthritis, colitis, sepsis, acute lung injury and liver failure...
November 10, 2017: Cell and Tissue Research
https://www.readbyqxmd.com/read/29118026/carbon-monoxide-in-lung-cell-physiology-and-disease
#8
Stefan W Ryter, Kevin C Ma, Augustine M K Choi
Carbon monoxide (CO) is an endogenously produced gas that has gained recognition as a biological signal transduction effector with properties similar, but not identical, to that of nitric oxide (NO). CO, which binds primarily to heme iron, may activate the hemoprotein guanylate cyclase (sGC), although with lower potency than NO. Furthermore, CO can modulate the activities of several cellular signaling molecules such as p38 MAPK, ERK1/2, JNK, AKT, NF-κB, and others. Emerging studies suggest that mitochondria, the energy-generating organelle of cells, represent a key target of CO action in eukaryotes...
November 8, 2017: American Journal of Physiology. Cell Physiology
https://www.readbyqxmd.com/read/29084247/the-effect-of-a-novel-extracorporeal-cytokine-hemoadsorption-device-on-il-6-elimination-in-septic-patients-a-randomized-controlled-trial
#9
Dirk Schädler, Christine Pausch, Daniel Heise, Andreas Meier-Hellmann, Jörg Brederlau, Norbert Weiler, Gernot Marx, Christian Putensen, Claudia Spies, Achim Jörres, Michael Quintel, Christoph Engel, John A Kellum, Martin K Kuhlmann
OBJECTIVE: We report on the effect of hemoadsorption therapy to reduce cytokines in septic patients with respiratory failure. METHODS: This was a randomized, controlled, open-label, multicenter trial. Mechanically ventilated patients with severe sepsis or septic shock and acute lung injury or acute respiratory distress syndrome were eligible for study inclusion. Patients were randomly assigned to either therapy with CytoSorb hemoperfusion for 6 hours per day for up to 7 consecutive days (treatment), or no hemoperfusion (control)...
2017: PloS One
https://www.readbyqxmd.com/read/29074099/efficacy-and-safety-of-long-acting-pasireotide-or-everolimus-alone-or-in-combination-in-patients-with-advanced-carcinoids-of-the-lung-and-thymus-luna-an-open-label-multicentre-randomised-phase-2-trial
#10
Piero Ferolla, Maria Pia Brizzi, Tim Meyer, Wasat Mansoor, Julien Mazieres, Christine Do Cao, Hervé Léna, Alfredo Berruti, Vincenzo Damiano, Wieneke Buikhuisen, Henning Grønbæk, Catherine Lombard-Bohas, Christian Grohé, Vincenzo Minotti, Marcello Tiseo, Javier De Castro, Nicholas Reed, Gabriella Gislimberti, Neha Singh, Miona Stankovic, Kjell Öberg, Eric Baudin
BACKGROUND: There are no data from prospective studies focused exclusively on patients with advanced lung and thymic carcinoids. We aimed to assess the efficacy and safety of long-acting pasireotide and everolimus, administered alone or in combination, in patients with advanced carcinoids of the lung or thymus. METHODS: LUNA was a prospective, multicentre, randomised, open-label, phase 2 trial of adult patients (aged >18 years) with advanced (unresectable or metastatic), well differentiated carcinoid tumours of the lung or thymus, with radiological progression within 12 months before randomisation, and a WHO performance status of 0-2...
October 23, 2017: Lancet Oncology
https://www.readbyqxmd.com/read/29040215/role-of-receptor-for-advanced-glycation-end-products-in-regulating-lung-fluid-balance-in-lipopolysaccharide-induced-acute-lung-injury-and-infection-related-acute-respiratory-distress-syndrome
#11
Hao Wang, Tao Wang, Zhicheng Yuan, Yufang Cao, Yongfang Zhou, Junyun He, Yongchun Shen, Ni Zeng, Luqi Dai, Fuqiang Wen, Lei Chen
Receptor for advanced glycation end products (RAGE) is implicated in inflammatory responses in acute lung injury (ALI)/acute respiratory distress syndrome (ARDS), but its role in pulmonary edema formation remains unclear, especially in infection-related ARDS mainly caused by pneumonia or sepsis. In this study, we investigated the role of RAGE in alveolar fluid regulation by using RAGE gene knockout (RAGE) mice in a murine ALI model induced by lipopolysaccharide (LPS), and by comparing soluble RAGE (sRAGE) levels in serum and bronchial alveolar lavage fluid (BALF) between ARDS patients and control subjects...
October 16, 2017: Shock
https://www.readbyqxmd.com/read/29039541/modulation-of-mitogen%C3%A2-activated-protein-kinase-attenuates-sepsis%C3%A2-induced-acute-lung-injury-in-acute-respiratory-distress-syndrome-rats
#12
Wei Fang, Shi-Xia Cai, Chuan-Lei Wang, Xiao-Xia Sun, Kun Li, Xiao-Wen Yan, Yun-Bo Sun, Xiao-Zhe Sun, Chuan-Kai Gu, Ming-Ying Dai, Hui-Ming Wang, Zhen Zhou
Sepsis is the most important predisposing cause inducing acute respiratory distress syndrome (ARDS); however, the mechanism of sepsis leading to the development of ARDS remains to be elucidated. Suppression of the mitogen‑activated protein kinase (MAPK) signal by blocking the phosphorylation of Jun N‑terminal kinase (JNK) and p38 in lung tissues could alleviate acute lung injury induced by sepsis. MAPK signaling may have a crucial role in development of the sepsis‑induced acute lung injury. The specific inhibitors of JNK and p38 MAPK, SP600125 and SB203580, were administrated by intragastric injection 4 h before induction of ARDS after cecal ligation and puncture (CLP)...
December 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29037205/vildagliptin-ameliorates-pulmonary-fibrosis-in-lipopolysaccharide-induced-lung-injury-by-inhibiting-endothelial-to-mesenchymal-transition
#13
Toshio Suzuki, Yuji Tada, Santhi Gladson, Rintaro Nishimura, Iwao Shimomura, Satoshi Karasawa, Koichiro Tatsumi, James West
BACKGROUND: Pulmonary fibrosis is a late manifestation of acute respiratory distress syndrome (ARDS). Sepsis is a major cause of ARDS, and its pathogenesis includes endotoxin-induced vascular injury. Recently, endothelial-to-mesenchymal transition (EndMT) was shown to play an important role in pulmonary fibrosis. On the other hand, dipeptidyl peptidase (DPP)-4 was reported to improve vascular dysfunction in an experimental sepsis model, although whether DPP-4 affects EndMT and fibrosis initiation during lipopolysaccharide (LPS)-induced lung injury is unclear...
October 16, 2017: Respiratory Research
https://www.readbyqxmd.com/read/29033043/in%C3%A2-vivo-lung-perfusion-rehabilitates-sepsis-induced-lung-injury
#14
J Hunter Mehaffey, Eric J Charles, Sarah Schubert, Morgan Salmon, Ashish K Sharma, Dustin Money, Mark H Stoler, Victor E Laubach, Curtis G Tribble, Mark E Roeser, Irving L Kron
BACKGROUND: Sepsis is the leading cause of lung injury in adults and can lead to acute respiratory distress syndrome (ARDS). Using a novel technique of isolated in vivo lung perfusion (IVLP), we hypothesized that normothermic IVLP will improve oxygenation and compliance in a porcine model of sepsis-induced lung injury. METHODS: Mature adult swine (n = 8) were administered lipopolysaccharide (LPS; 50 μg/kg over 2 hours) via the external jugular vein, followed by sternotomy and central extracorporeal membrane oxygenation (ECMO) cannulation (right atrium to ascending aorta)...
September 14, 2017: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/29022140/experimental-study-of-the-protective-effect-of-simvastatin-on-lung-injury-in-rats-with-sepsis
#15
Yu Wang, Wenping Yang, Xin Zhao, Rong Zhang
Simvastatin, which is primarily prescribed to lower cholesterol, may also mitigate lung injury caused by sepsis, although the mechanisms remain elusive. This study aimed to evaluate the protective effect of simvastatin on acute lung injury in rats with sepsis and to investigate possible mechanisms. Male Wistar rats were pretreated with simvastatin (0.2 μg/g) for 1 week before cecal ligation and puncture. Treatment with simvastatin demonstrated significant decreases in the concentration of protein, TNF-α, IL-1β, IL-6, and lipocalin 2, and the number of polymorphonuclear neutrophils in bronchoalveolar lavage fluid in septic rats...
October 11, 2017: Inflammation
https://www.readbyqxmd.com/read/28990935/caspase-11-mediated-endothelial-pyroptosis-underlies-endotoxemia-induced-lung-injury
#16
Kwong Tai Cheng, Shiqin Xiong, Zhiming Ye, Zhigang Hong, Anke Di, Kit Man Tsang, Xiaopei Gao, Shejuan An, Manish Mittal, Stephen M Vogel, Edward A Miao, Jalees Rehman, Asrar B Malik
Acute lung injury is a leading cause of death in bacterial sepsis due to the wholesale destruction of the lung endothelial barrier, which results in protein-rich lung edema, influx of proinflammatory leukocytes, and intractable hypoxemia. Pyroptosis is a form of programmed lytic cell death that is triggered by inflammatory caspases, but little is known about its role in EC death and acute lung injury. Here, we show that systemic exposure to the bacterial endotoxin lipopolysaccharide (LPS) causes severe endothelial pyroptosis that is mediated by the inflammatory caspases, human caspases 4/5 in human ECs, or the murine homolog caspase-11 in mice in vivo...
October 9, 2017: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/28986821/endothelial-glycocalyx-degradation-is-more-severe-in-patients-with-non-pulmonary-sepsis-compared-to-pulmonary-sepsis-and-associates-with-risk-of-ards-and-other-organ-dysfunction
#17
Laura S Murphy, Nancy Wickersham, J Brennan McNeil, Ciara M Shaver, Addison K May, Julie A Bastarache, Lorraine B Ware
BACKGROUND: Disruption of the endothelial glycocalyx contributes to acute lung injury in experimental sepsis but has not been well studied in humans. To study glycocalyx degradation in sepsis-induced ARDS, we measured plasma levels of syndecan-1, a marker for glycocalyx degradation. METHODS: The present study is a retrospective observational study of 262 ventilated medical ICU patients at risk of ARDS due to severe sepsis and APACHE II ≥ 25. Plasma syndecan-1 was measured at study enrollment...
October 6, 2017: Annals of Intensive Care
https://www.readbyqxmd.com/read/28978926/beneficial-effects-of-red-light-emitting-diode-treatment-in-experimental-model-of-acute-lung-injury-induced-by-sepsis
#18
Silvia Goes Costa, Éric Diego Barioni, Aline Ignácio, Juliana Albuquerque, Niels Olsen Saraiva Câmara, Christiane Pavani, Luana Beatriz Vitoretti, Amílcar Sabino Damazo, Sandra Helena Poliselli Farsky, Adriana Lino-Dos-Santos-Franco
Sepsis is a severe disease with a high mortality index and it is responsible for the development of acute lung injury (ALI). We evaluated the effects of light-emitting diode (LED) on ALI induced by sepsis. Balb-c mice were injected with lipopolysaccharide or saline and then irradiated or not with red LED on their tracheas and lungs for 150 s, 2 and 6 h after LPS injections. The parameters were investigated 24 h after the LPS injections. Red LED treatment reduced neutrophil influx and the levels of interleukins 1β, 17 A and, tumor necrosis factor-α; in addition to enhanced levels of interferon γ in the bronchoalveolar fluid...
October 4, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28965650/acute-ethanol-intoxication-suppresses-pentraxin-3-expression-in-a-mouse-sepsis-model-involving-cecal-ligation-and-puncture
#19
Shogo Kasuda, Risa Kudo, Katsuya Yuui, Yoshihiko Sakurai, Katsuhiko Hatake
Acute ethanol intoxication impairs immunological reactions and increases the risk of sepsis; however, the underlying mechanism remains unclear. Pentraxin (PTX) 3 is a humoral pattern recognition receptor whose levels rapidly increase in response to inflammation. PTX3 production is triggered by tumor necrosis factor (TNF)-α and is mediated by c-Jun N-terminal kinase (JNK). As PTX3 exerts protective effects against sepsis as well as acute lung injury, we investigated whether acute ethanol exposure exacerbates sepsis by altering PTX3 expression...
November 2017: Alcohol
https://www.readbyqxmd.com/read/28941417/protective-role-of-liriodendrin-in-mice-with-dextran-sulphate-sodium-induced-ulcerative-colitis
#20
Zhen Zhang, Lei Yang, Botao Wang, Lanqiu Zhang, Qi Zhang, Dihua Li, Shukun Zhang, Hongwei Gao, Ximo Wang
Sargentodoxa cuneata, containing syringaresinol and its glycoside liriodendrin as the main bioactive compounds, is a well-known traditional Chinese medicine for treating intestinal inflammation. In our preliminary study, liriodendrin inhibited NF-kB activation in sepsis-induced acute lung injury. The present study was designed to investigate its effect on dextran sulfate sodium (DSS)-induced colitis in a mouse model and to explore the possible related mechanisms. Experimental colitis was established by giving mice drinking water containing 3% (w/v) DSS for 7days...
September 20, 2017: International Immunopharmacology
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