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Lung injury acute

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https://www.readbyqxmd.com/read/28930962/attenuation-of-hemorrhage-associated-lung-injury-by-adjuvant-treatment-with-c23-an-oligopeptide-derived-from-cold-inducible-rna-binding-protein
#1
Fangming Zhang, Weng-Lang Yang, Max Brenner, Ping Wang
BACKGROUND: Hemorrhagic shock (HS) is an important cause of mortality. HS is associated with an elevated incidence of acute lung injury and acute respiratory distress syndrome, significantly contributing to HS morbidity and mortality. Cold-inducible RNA-binding protein (CIRP) is released into the circulation during HS and can cause lung injury. C23 is a CIRP-derived oligopeptide that binds with high affinity to the CIRP receptor and inhibits CIRP-induced phagocyte secretion of TNF-α...
October 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28930935/acute-lung-injury-and-repair-scientific-fundamentals-and-methods
#2
Jay Berger, Ellise Delphin
No abstract text is available yet for this article.
September 19, 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28930815/variability-in-usual-care-mechanical-ventilation-for-pediatric-acute-respiratory-distress-syndrome-time-for-a-decision-support-protocol
#3
Christopher J L Newth, Katherine A Sward, Robinder G Khemani, Kent Page, Kathleen L Meert, Joseph A Carcillo, Thomas P Shanley, Frank W Moler, Murray M Pollack, Heidi J Dalton, David L Wessel, John T Berger, Robert A Berg, Rick E Harrison, Richard Holubkov, Allan Doctor, J Michael Dean, Tammara L Jenkins, Carol E Nicholson
OBJECTIVES: Although pediatric intensivists philosophically embrace lung protective ventilation for acute lung injury and acute respiratory distress syndrome, we hypothesized that ventilator management varies. We assessed ventilator management by evaluating changes to ventilator settings in response to blood gases, pulse oximetry, or end-tidal CO2. We also assessed the potential impact that a pediatric mechanical ventilation protocol adapted from National Heart Lung and Blood Institute acute respiratory distress syndrome network protocols could have on reducing variability by comparing actual changes in ventilator settings to those recommended by the protocol...
September 19, 2017: Pediatric Critical Care Medicine
https://www.readbyqxmd.com/read/28930639/50-years-of-research-in-ards-tidal-volume-selection-in-the-acute-respiratory-distress-syndrome
#4
Sarina K Sahetya, Jordi Mancebo, Roy G Brower
Mechanical ventilation (MV) is critical in the management of many patients with the acute respiratory distress syndrome (ARDS). However, MV can also cause ventilator-induced lung injury (VILI). The selection of an appropriate tidal volume is an essential part of a lung-protective MV strategy. Since the publication of a large randomized clinical trial demonstrating the benefit of lower tidal volumes, the use of tidal volumes of 6 mL/kg predicted body weight (PBW, based on sex and height) has been recommended in clinical practice guidelines...
September 20, 2017: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/28928799/effects-of-n-acetylcysteine-treatment-in-acute-respiratory-distress-syndrome-a-meta-analysis
#5
Ying Zhang, Shaoxue Ding, Caifeng Li, Yifeng Wang, Zhe Chen, Zhiqiang Wang
Acute respiratory distress syndrome (ARDS) is a serious complication of acute lung injury. Severe systemic inflammation is the main cause of multiple organ dysfunction and high mortality. Removal of reactive oxygen species by anti-oxidants has been applied in clinical practice. N-acetylcysteine (NAC) is the most commonly used anti-oxidant. However, the benefit of anti-oxidant therapy was not consistently demonstrated by previous studies. In the present study, a meta-analysis was performed to evaluate the effects of NAC for adult patients with ARDS...
October 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28927525/alpha-1-antitrypsin-deficiency-genetic-variations-clinical-manifestations-and-therapeutic-interventions
#6
REVIEW
Younis Mohammad Hazari, Arif Bashir, Mudasir Habib, Samirul Bashir, Huma Habib, M Abul Qasim, Naveed Nazir Shah, Ehtishamul Haq, Jeffrey Teckman, Khalid Majid Fazili
Alpha-1-antitrypsin (AAT) is an acute phase secretory glycoprotein that inhibits neutrophil proteases like elastase and is considered as the archetype of a family of structurally related serine-protease inhibitors termed serpins. Serum AAT predominantly originates from liver and increases three to five fold during host response to tissue injury and inflammation. The AAT deficiency is unique among the protein-misfolding diseases in that it causes target organ injury by both loss-of-function and gain-of-toxic function mechanisms...
July 2017: Mutation Research
https://www.readbyqxmd.com/read/28927460/protective-effect-of-hydrogen-saturated-saline-on-acute-lung-injury-induced-by-oleic-acid-in-rats
#7
Youguo Ying, Haizhou Xu, Min Yao, Zonghe Qin
BACKGROUND: The purpose of the study is to investigate the role and mechanisms of hydrogen-saturated saline (HSS) in the acute lung injury (ALI) induced by oleic acid (OA) in rats. METHODS: Rats were treated with OA (0.1 mL/kg) to induce ALI and then administered with HSS (5 mL/kg) by intravenous (iv) and intraperitoneal (ip) injection, respectively. Three hours after the injection with OA, the arterial oxygen partial pressure (PaO2), arterial oxygen saturation (SaO2), carbon dioxide partial pressure (PaCO2), and bicarbonate (HCO3(-)) levels were analyzed using blood gas analyzer...
September 19, 2017: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/28926576/receptor-for-advanced-glycation-end-products-and-world-trade-center-particulate-induced-lung-function-loss-a-case-cohort-study-and-murine-model-of-acute-particulate-exposure
#8
Erin J Caraher, Sophia Kwon, Syed H Haider, George Crowley, Audrey Lee, Minah Ebrahim, Liqun Zhang, Lung-Chi Chen, Terry Gordon, Mengling Liu, David J Prezant, Ann Marie Schmidt, Anna Nolan
World Trade Center-particulate matter(WTC-PM) exposure and metabolic-risk are associated with WTC-Lung Injury(WTC-LI). The receptor for advanced glycation end-products (RAGE) is most highly expressed in the lung, mediates metabolic risk, and single-nucleotide polymorphisms at the AGER-locus predict forced expiratory volume(FEV). Our objectives were to test the hypotheses that RAGE is a biomarker of WTC-LI in the FDNY-cohort and that loss of RAGE in a murine model would protect against acute PM-induced lung disease...
2017: PloS One
https://www.readbyqxmd.com/read/28926489/high-levels-of-morbidity-and-mortality-among-pediatric-hematopoietic-cell-transplant-recipients-with-severe-sepsis-insights-from-the-sepsis-prevalence-outcomes-and-therapies-international-point-prevalence-study
#9
Robert B Lindell, Shira J Gertz, Courtney M Rowan, Jennifer McArthur, Florian Beske, Adrian Plunkett, Scott L Weiss, Neal J Thomas, Vinay M Nadkarni, Julie C Fitzgerald
OBJECTIVES: Pediatric severe sepsis is a major cause of morbidity and mortality worldwide, and hematopoietic cell transplant patients represent a high-risk population. We assessed the epidemiology of severe sepsis in hematopoietic cell transplant patients, describing patient outcomes compared with children with no history of hematopoietic cell transplant. DESIGN: Secondary analysis of the Sepsis PRevalence, OUtcomes, and Therapies point prevalence study, comparing demographics, sepsis etiology, illness severity, organ dysfunction, and sepsis-related treatments in patients with and without hematopoietic cell transplant...
September 16, 2017: Pediatric Critical Care Medicine
https://www.readbyqxmd.com/read/28923883/microtubules-associated-rac-regulation-of-endothelial-barrier-a-role-of-asef-in-acute-lung-injury
#10
Pratap Karki, Anna A Birukova
The endothelial barrier function regulated by the cytoskeletal reorganizations has been implicated in the pathogenesis of multiple lung diseases including asthma, sepsis, edema, and acute respiratory distress syndrome. The extensive studies have established that activation of small GTPase Rac is a key mechanism in endothelial barrier protection but the role of microtubules-associated Rac in the endothelial functions remains poorly understood. With the emerging evidences that microtubules disassembly also plays a critical role in actin cytoskeleton remodeling leading to endothelial permeability, the knowledge on microtubules-mediated regulation of endothelial barrier is imperative to better understand the etiology of lung injuries as well as to develop novel therapeutics against these disorders...
September 18, 2017: Journal of Investigative Medicine: the Official Publication of the American Federation for Clinical Research
https://www.readbyqxmd.com/read/28923112/cobalt-nanoparticles-induce-lung-injury-dna-damage-and-mutations-in-mice
#11
Rong Wan, Yiqun Mo, Zhenyu Zhang, Mizu Jiang, Shichuan Tang, Qunwei Zhang
BACKGROUND: We and other groups have demonstrated that exposure to cobalt nanoparticles (Nano-Co) caused oxidative stress and inflammation, which have been shown to be strongly associated with genotoxic and carcinogenic effects. However, few studies have reported Nano-Co-induced genotoxic effects in vivo. Here, we propose that Nano-Co may have high genotoxic effects due to their small size and high surface area, which have high capacity for causing oxidative stress and inflammation. METHODS: gpt delta transgenic mice were used as our in vivo study model...
September 18, 2017: Particle and Fibre Toxicology
https://www.readbyqxmd.com/read/28921399/artesunate-inhibits-renal-ischemia-reperfusion-stimulated-lung-inflammation-in-rats-by-activating-ho-1-pathway
#12
Zhaohui Liu, Junjie Zhang, Shitong Li, Jihong Jiang
Artesunate (AS), a semi-synthetic derivative of Artemisia, has been shown to exert a wide range of pharmacological effects, such as anti-inflammatory and antioxidant functions. However, the protective functions of AS on renal ischemia reperfusion injury (RIR)-stimulated lung inflammation remain unclear. In this research, acute lung injury (ALI) was stimulated by renal ischemia reperfusion injury (RIR). AS (15 mg/kg) was intraperitoneal administrated to rat 1 h before RIR stimulation. Serum and pulmonary NO, MDA, IL-6, MIP-2, and PGE2 levels, arterial blood gas and biochemistry, lung wet/dry weight ratio and MPO activity, total cell number and protein concentration in BALF, tissue histology, and NF-κB expression were determined...
September 18, 2017: Inflammation
https://www.readbyqxmd.com/read/28920101/potential-therapeutic-targets-in-nrf2-dependent-protection-against-neonatal-respiratory-distress-disease-predicted-by-cdna-microarray-analysis-and-bioinformatics-tools
#13
Hye-Youn Cho, Xuting Wang, Jianying Li, Douglas A Bell, Steven R Kleeberger
Hyperoxia exposure of newborn rodents has served as a model for bronchopulmonary dysplasia (BPD) phenotypes found in a sub-population of human premature infants. We previously demonstrated that Nrf2 modulates molecular events during saccular-to-alveolar lung maturation and also has a protective role in the pathogenesis of hyperoxia-induced acute lung injury, mortality, arrest of saccular-to-alveolar transition, and lung injury, using Nrf2-deficient and wild-type neonate mice. In this review, we describe how whole-genome transcriptome analyses can identify the means through which Nrf2 transcriptionally modulates organ injury and morphology, cellular growth/proliferation, vasculature development, and immune response during BPD-like pathogenesis...
December 2016: Current Opinion in Toxicology
https://www.readbyqxmd.com/read/28919711/protective-role-of-quercetin-against-manganese-induced-injury-in-the-liver-kidney-and-lung-and-hematological-parameters-in-acute-and-subchronic-rat-models
#14
Entaz Bahar, Geum-Hwa Lee, Kashi Raj Bhattarai, Hwa-Young Lee, Hyun-Kyoung Kim, Mallikarjun Handigund, Min-Kyung Choi, Sun-Young Han, Han-Jung Chae, Hyonok Yoon
Manganese (Mn) is an important mineral element required in trace amounts for development of the human body, while over- or chronic-exposure can cause serious organ toxicity. The current study was designed to evaluate the protective role of quercetin (Qct) against Mn-induced toxicity in the liver, kidney, lung, and hematological parameters in acute and subchronic rat models. Male Sprague Dawley rats were divided into control, Mn (100 mg/kg for acute model and 15 mg/kg for subchronic model), and Mn + Qct (25 and 50 mg/kg) groups in both acute and subchronic models...
2017: Drug Design, Development and Therapy
https://www.readbyqxmd.com/read/28919396/protective-effect-of-chlorogenic-acid-on-the-inflammatory-damage-of-pancreas-and-lung-in-mice-with-l-arginine-induced-pancreatitis
#15
Tatsuya Ohkawara, Hiroshi Takeda, Jun Nishihira
AIMS: Pancreatitis is characterized by inflammatory disease with severe tissue injury in pancreas, and the incidence of pancreatitis has been recently increasing. Although several treatments of acute pancreatitis have been developed, some patients have been resistant to current therapy. Chlorogenic acid (CGA) is one of the polyphenols, and is known to have an anti-inflammatory effect. In this study, we investigated the effects of CGA on experimental pancreatitis in mice. MATERIALS AND METHODS: Pancreatitis was induced by twice injection of l-arginine (5g/kg body weight)...
September 14, 2017: Life Sciences
https://www.readbyqxmd.com/read/28919152/erector-spinae-plane-esp-block-in-the-management-of-post-thoracotomy-pain-syndrome-a-case-series
#16
Mauricio Forero, Manikandan Rajarathinam, Sanjib Adhikary, Ki Jinn Chin
BACKGROUND AND AIMS: Post thoracotomy pain syndrome (PTPS) remains a common complication of thoracic surgery with significant impact on patients' quality of life. Management usually involves a multidisciplinary approach that includes oral and topical analgesics, performing appropriate interventional techniques, and coordinating additional care such as physiotherapy, psychotherapy and rehabilitation. A variety of interventional procedures have been described to treat PTPS that is inadequately managed with systemic or topical analgesics...
September 11, 2017: Scandinavian Journal of Pain
https://www.readbyqxmd.com/read/28919014/regulation-and-function-of-endothelial-glycocalyx-layer-in-vascular-diseases
#17
REVIEW
Irina Sieve, Anja Münster-Kühnel, Denise Hilfiker-Kleiner
In the vascular system, the endothelial surface layer (ESL) as the inner surface of blood vessels affects mechanotransduction, vascular permeability, rheology, thrombogenesis, and leukocyte adhesion. It creates barriers between endothelial cells and blood and neighbouring cells. The glycocalyx, composed of glycoconjugates and proteoglycans, is an integral component of the ESL and a key element in inter- and intracellular communication and tissue homeostasis. In pathophysiological conditions (atherosclerosis, infection, ischemia/reperfusion injury, diabetes, trauma and acute lung injury) glycocalyx-degrading factors, i...
September 12, 2017: Vascular Pharmacology
https://www.readbyqxmd.com/read/28916766/stimulatory-secretions-of-airway-epithelial-cells-accelerate-early-repair-of-tracheal-epithelium
#18
Egi Kardia, Rafeezul Mohamed, Badrul Hisham Yahaya
Airway stem/progenitor epithelial cells (AECs) are notable for their differentiation capacities in response to lung injury. Our previous finding highlighted the regenerative capacity of AECs following transplantation in repairing tracheal injury and reducing the severity of alveolar damage associated acute lung injury in a rabbit model. The goal of this study is to further investigate the potential of AECs to re-populate the tracheal epithelium and to study their stimulatory effect on inhibiting pro-inflammatory cytokines, epithelial cell migration and proliferation, and epithelial-to-mesenchymal transition (EMT) process following tracheal injury...
September 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28915906/unusually-prolonged-pemetrexed-cytotoxicity-in-a-patient-with-a-lung-adenocarcinoma-a-case-report
#19
Linda Sakhri, Julian Pinsolle, Denis Moro-Sibilot, Hélène Pluchart
BACKGROUND: We describe a case of pemetrexed toxicities related to reabsorption by an ileal neobladder, which caused prolonged hematotoxicity and nephrotoxicity. CASE PRESENTATION: A 59-year-old white man was diagnosed with metastatic wild-type adenocarcinoma of the upper lobe of his right lung. After a first cycle of cisplatin and pemetrexed, he had unusually prolonged aplasia and acute kidney injury. The prolonged aplasia was caused by pemetrexed reabsorption by the ileal mucosa of the neobladder as pemetrexed was eliminated renally in an active form and is partly lipophilic...
September 16, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/28915539/astaxanthin-alleviated-acute-lung-injury-by-inhibiting-oxidative-nitrative-stress-and-the-inflammatory-response-in-mice
#20
Jianbin Bi, Ruixia Cui, Zeyu Li, Chang Liu, Jingyao Zhang
The purpose of the present study was to assess the effect of astaxanthin (ASX) treatment on the acute lung injury (ALI) induced by cecal ligation and puncture (CLP) in mice. Mice were randomly allocated into the following groups: (1) the saline control group, in which mice were given saline before sham operation; (2) the ASX control group, in which mice received ASX before sham operation; (3) the ALI group, in which mice were given saline before CLP operation; and (4) the ALI+ASX group, in which mice received ASX before CLP operation...
September 11, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
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