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https://www.readbyqxmd.com/read/28214650/2-methoxyestradiol-protects-against-igg-immune-complex-induced-acute-lung-injury-by-blocking-nf-%C3%AE%C2%BAb-and-ccaat-enhancer-binding-protein-%C3%AE-activities
#1
Chunguang Yan, Yanfei Shen, Qiqing Sun, Dong Yuan, Huifang Tang, Hongwei Gao
Increasing evidences indicate that 2-Methoxyestradiol (2ME2) plays an essential role in protecting against inflammatory responses. However, its effect on IgG immune complex (IC)-induced acute lung injury (ALI) remains enigmatic. In the study, by using i.p. administration of 2ME2, we evaluated its influence on IgG IC-induced pulmonary injury in mice. We found that during IgG IC-induced ALI, mice treated by 2ME2 displayed a substantial decrease in vascular permeability and neutrophil influx (represented by myeloperoxidase activity) when compared with their counterparts receiving vehicle treatment...
February 16, 2017: Molecular Immunology
https://www.readbyqxmd.com/read/28214022/circulating-il-6-upregulates-il-10-production-in-splenic-cd4-t-cells-and-limits-acute-kidney-injury-induced-lung-inflammation
#2
Ana Andres-Hernando, Kayo Okamura, Rhea Bhargava, Carol M Kiekhaefer, Danielle Soranno, Lara A Kirkbride-Romeo, Hyo-Wook Gil, Chris Altmann, Sarah Faubel
Although it is well established that acute kidney injury (AKI) is a proinflammatory state, little is known about the endogenous counter-inflammatory response. IL-6 is traditionally considered a pro-inflammatory cytokine that is elevated in the serum in both human and murine AKI. However, IL-6 is known to have anti-inflammatory effects. Here we sought to investigate the role of IL-6 in the counter-inflammatory response after AKI, particularly in regard to the anti-inflammatory cytokine IL-10. Ischemic AKI was induced by bilateral renal pedicle clamping...
February 14, 2017: Kidney International
https://www.readbyqxmd.com/read/28213892/opportunities-for-repurposing-of-poly-adp-ribose-polymerase-parp-inhibitors-for-the-therapy-of-non-oncological-diseases
#3
REVIEW
Nathan A Berger, Valerie C Besson, A Hamid Boulares, Alexander Bürkle, Alberto Chiarugi, Robert S Clark, Nicola J Curtin, Salvatore Cuzzocrea, Ted M Dawson, Valina L Dawson, György Haskó, Lucas Liaudet, Flavio Moroni, Pál Pacher, Peter Radermacher, Andrew L Salzman, Solomon H Snyder, Francisco Garcia Soriano, Robert P Strosznajder, Balázs Sümegi, Raymond A Swanson, Csaba Szabo
The recent clinical availability of the PARP inhibitor Lynparza (olaparib) opens the door for potential therapeutic repurposing for non-oncological indications. Considering (a) the preclinical efficacy data with PARP inhibitors in non-oncological diseases and (b) the risk-benefit ratio of treating patients with a compound that inhibits an enzyme that has physiological roles in the regulation of DNA repair, indications where (a) the severity of the disease is high, (b) the available therapeutic options are limited, and (c) the duration of PARP inhibitor administration could be short, provide first-line options for therapeutic repurposing...
February 18, 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/28213471/attenuation-of-endoplasmic-reticulum-stress-by-caffeine-ameliorates-hyperoxia-induced-lung-injury
#4
Ru-Jeng Teng, Xigang Jing, Teresa Michalkiewicz, Adeleye J Afolayan, Tzong-Jin Wu, Girija G Konduri
Rodent pups exposed to hyperoxia develop lung changes similar to bronchopulmonary dysplasia (BPD) in extremely premature infants. Oxidative stress from hyperoxia can injure developing lungs through endoplasmic reticulum (ER) stress. Early caffeine treatment decreases the rate of BPD, but the mechanisms remain unclear. We hypothesized that caffeine attenuates hyperoxia-induced lung injury through its chemical chaperone property. Sprague-Dawley rat pups were raised either in 90% (hyperoxia) or 21% (normoxia) oxygen from postnatal day 1 (P1) to postnatal day 10 (P10) and then recovered in 21% oxygen until P21...
February 17, 2017: American Journal of Physiology. Lung Cellular and Molecular Physiology
https://www.readbyqxmd.com/read/28213470/higher-mini-bal-total-protein-concentration-in-early-ards-predicts-faster-resolution-of-lung-injury-measured-by-more-ventilator-free-days
#5
Carolyn M Hendrickson, Jason Abbott, Hanjing Zhuo, Kathleen D Liu, Carolyn S Calfee, Michael A Matthay
The protein concentration of alveolar edema fluid in acute respiratory distress syndrome (ARDS) is dynamic. It reflects alveolar flooding during acute injury as well as fluid and protein clearance over time. We hypothesized that among ARDS patients treated with low tidal volume ventilation, higher concentrations of protein in mini-bronchoalveolar lavage (mBAL) samples would predict slower resolution of lung injury and worse clinical outcomes. Total protein and IgM concentrations in Day 0 mBAL samples from 79 subjects enrolled in the aerosolized albuterol (ALTA) ARDS Network Albuterol trial were measured by colorimetric assay and ELISA respectively...
February 17, 2017: American Journal of Physiology. Lung Cellular and Molecular Physiology
https://www.readbyqxmd.com/read/28212826/pharmacological-postconditioning-with-sevoflurane-activates-pi3k-akt-signaling-and-attenuates-cardiopulmonary-bypass-induced-lung-injury-in-dog
#6
Yu Zhang, Dongdong Li, Junli Luo, Song Chen, Xuejiao Dou, Ming Han, Hong Zhang
AIMS: Sevoflurane, a widely used inhaled anesthetic, showed valid protective effect against ischemia reperfusion injury in lung, however, the underlying molecular mechanisms has yet to be explained. MATERIALS AND METHODS: Dogs were divided into four groups: control group, cardiopulmonary bypass (CPB) group, sevoflurane postconditioning group and wortmannin group. Arterial blood was obtained from each group to test the respiratory index and oxygenation index and pulmonary tissues were sampled for apoptotic TUNEL stain...
February 14, 2017: Life Sciences
https://www.readbyqxmd.com/read/28212278/the-effect-of-the-human-peptide-ghk-on-gene-expression-relevant-to-nervous-system-function-and-cognitive-decline
#7
Loren Pickart, Jessica Michelle Vasquez-Soltero, Anna Margolina
Neurodegeneration, the progressive death of neurons, loss of brain function, and cognitive decline is an increasing problem for senior populations. Its causes are poorly understood and therapies are largely ineffective. Neurons, with high energy and oxygen requirements, are especially vulnerable to detrimental factors, including age-related dysregulation of biochemical pathways caused by altered expression of multiple genes. GHK (glycyl-l-histidyl-l-lysine) is a human copper-binding peptide with biological actions that appear to counter aging-associated diseases and conditions...
February 15, 2017: Brain Sciences
https://www.readbyqxmd.com/read/28212163/multiple-organ-dysfunction-in-children-mechanically-ventilated-for-acute-respiratory-failure
#8
Scott L Weiss, Lisa A Asaro, Heidi R Flori, Geoffrey L Allen, David Wypij, Martha A Q Curley
OBJECTIVES: The impact of extrapulmonary organ dysfunction, independent from sepsis and lung injury severity, on outcomes in pediatric acute respiratory failure is unclear. We sought to determine the frequency, timing, and risk factors for extrapulmonary organ dysfunction and the independent association of multiple organ dysfunction syndrome with outcomes in pediatric acute respiratory failure. DESIGN: Secondary observational analysis of the Randomized Evaluation of Sedation Titration for Respiratory Failure cluster-randomized prospective clinical trial conducted between 2009 and 2013...
February 16, 2017: Pediatric Critical Care Medicine
https://www.readbyqxmd.com/read/28212103/simulation-of-healing-threshold-in-strain-induced-inflammation-through-a-discrete-informatics-model
#9
Israr Ibrahim, Sanjay Venkata Oruganti, Ramana Pidaparti
Respiratory diseases such as asthma and acute respiratory distress syndrome as well as acute lung injury involve inflammation at the cellular level. The inflammation process is very complex and is characterized by the emergence of cytokines along with other changes in cellular processes. Due to the complexity of the various constituents that makes up the inflammation dynamics, it is necessary to develop models that can complement experiments to fully understand inflammatory diseases. In this study, we developed a discrete informatics model based on cellular automata (CA) approach to investigate the influence of elastic field (stretch/strain) on the dynamics of inflammation and account for probabilistic adaptation based on statistical interpretation of existing experimental data...
February 15, 2017: IEEE Journal of Biomedical and Health Informatics
https://www.readbyqxmd.com/read/28212050/volume-controlled-ventilation-does-not-prevent-injurious-inflation-during-spontaneous-effort
#10
Takeshi Yoshida, Susumu Nakahashi, Maria Aparecida Miyuki Nakamura, Yukiko Koyama, Rollin Roldan, Vinicius Torsani, Roberta R De Santis, Susimeire Gomes, Akinori Uchiyama, Marcelo B P Amato, Brian P Kavanagh, Yuji Fujino
RATIONALE: Spontaneous breathing during mechanical ventilation increases transpulmonary pressure and tidal volume, and worsens lung injury. Intuitively, controlling tidal volume and transpulmonary pressure might limit injury from added spontaneous effort. OBJECTIVES: To test the hypothesis that during spontaneous effort in injured lungs, tidal volume and transpulmonary pressure limitation by volume-controlled ventilation results in less injurious patterns of inflation...
February 17, 2017: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/28211612/genetic-variants-in-the-plasminogen-activator-inhibitor-1-gene-are-associated-with-an-increased-risk-of-radiation-pneumonitis-in-lung-cancer-patients
#11
Bo Liu, Yang Tang, Minxiao Yi, Qingxu Liu, Huihua Xiong, Guangyuan Hu, Xianglin Yuan
Plasminogen activator inhibitor-1 (PAI-1) plays a crucial role in the process of lung injury, although its association with radiation pneumonitis (RP) is unclear. We hypothesized that genetic variants in PAI-1 may influence the risk of RP. In this study, 169 lung cancer patients were genotyped for six single-nucleotide polymorphisms in PAI-1 using the Sequenom MassARRAY system. The risk of RP was evaluated by Cox proportional hazards analyses. The cumulative RP probabilities by genotype were assessed using Kaplan-Meier analyses...
February 17, 2017: Cancer Medicine
https://www.readbyqxmd.com/read/28209807/blast-injury-of-the-ear-by-massive-explosion-a-review-of-41-cases
#12
Stanislas Ballivet de Régloix, A Crambert, O Maurin, Q Lisan, S Marty, Y Pons
BACKGROUND: Blast injuries in modern warfare are common, and the ear is often affected as it is an effective pressure transducer. This study aimed to evaluate military blast injuries of the ear. METHODS: From May 2002 to October 2014, all patients referred to two military hospitals near Paris, France following exposure to massive explosions were analysed. RESULTS: Among the 41 patients (82 ears), 36 of them reported tinnitus, 25 hearing loss, 14 earache and 8 vertigo...
February 16, 2017: Journal of the Royal Army Medical Corps
https://www.readbyqxmd.com/read/28208675/pneumonia-acute-respiratory-distress-syndrome-and-early-immune-modulator-therapy
#13
REVIEW
Kyung-Yil Lee
Acute respiratory distress syndrome (ARDS) is caused by infectious insults, such as pneumonia from various pathogens or related to other noninfectious events. Clinical and histopathologic characteristics are similar across severely affected patients, suggesting that a common mode of immune reaction may be involved in the immunopathogenesis of ARDS. There may be etiologic substances that have an affinity for respiratory cells and induce lung cell injury in cases of ARDS. These substances originate not only from pathogens, but also from injured host cells...
February 11, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28208025/aeol-10150-mitigates-radiation-induced-lung-injury-in-the-nonhuman-primate-morbidity-and-mortality-are-administration-schedule-dependent
#14
Thomas J MacVittie, Allison Gibbs, Ann M Farese, Kory Barrow, Alexander Bennett, Cheryl Taylor-Howell, Abdul Kazi, Karl Prado, George Parker, William Jackson Iii
Pneumonitis and fibrosis are potentially lethal, delayed effects of acute radiation exposure. In this study, male rhesus macaques received whole-thorax lung irradiation (WTLI) with a target dose of 10.74 Gy prescribed to midplane at a dose rate of 0.80 ± 0.05 Gy/min using 6 MV linear accelerator-derived photons. The study design was comprised of four animal cohorts: one control and three treated with AEOL 10150 (n = 20 animals per cohort). AEOL 10150, a metalloporphyrin antioxidant, superoxide dismutase mimetic was administered by daily subcutaneous injection at 5 mg/kg in each of three schedules, beginning 24 ± 2 h postirradiation: from day 1 to day 28, day 1 to day 60 or a divided regimen from day 1 to day 28 plus day 60 to day 88...
February 16, 2017: Radiation Research
https://www.readbyqxmd.com/read/28207570/international-survey-of-critically-ill-children-with-acute-neurologic-insults-the-prevalence-of-acute-critical-neurological-disease-in-children-a-global-epidemiological-assessment-study
#15
Ericka L Fink, Patrick M Kochanek, Robert C Tasker, John Beca, Michael J Bell, Robert S B Clark, Jamie Hutchison, Monica S Vavilala, Anthony Fabio, Derek C Angus, R Scott Watson
OBJECTIVE: The international scope of critical neurologic insults in children is unknown. Our objective was to assess the prevalence and outcomes of children admitted to PICUs with acute neurologic insults. DESIGN: Prospective study. SETTING: Multicenter (n = 107 PICUs) and multinational (23 countries, 79% in North America and Europe). PATIENTS: Children 7 days to 17 years old admitted to the ICU with new traumatic brain injury, stroke, cardiac arrest, CNS infection or inflammation, status epilepticus, spinal cord injury, hydrocephalus, or brain mass...
February 15, 2017: Pediatric Critical Care Medicine
https://www.readbyqxmd.com/read/28207496/recent-advances-in-the-pathogenesis-prediction-and-management-of-rheumatoid-arthritis-associated-interstitial-lung-disease
#16
Cheilonda Johnson
PURPOSE OF REVIEW: To provide an overview of recently published articles covering interstitial lung disease associated with rheumatoid arthritis (RA-ILD). RECENT FINDINGS: Over the past year, many studies replicated previous findings in more diverse and occasionally larger populations internationally. Specifically, the association among cigarette smoking, high rheumatoid factor titer, elevated anticitrullinated protein antibody (ACPA) levels, and RA-ILD was strengthened...
February 15, 2017: Current Opinion in Rheumatology
https://www.readbyqxmd.com/read/28205623/preventive-effects-of-carnosine-on-lipopolysaccharide-induced-lung-injury
#17
Ken-Ichiro Tanaka, Toshifumi Sugizaki, Yuki Kanda, Fumiya Tamura, Tomomi Niino, Masahiro Kawahara
Acute respiratory distress syndrome (ARDS) is a potentially devastating form of acute lung injury, which involves neutrophilic inflammation and pulmonary cell death. Reactive oxygen species (ROS) play important roles in ARDS development. New compounds for inhibiting the onset and progression of ARDS are required. Carnosine (β-alanyl-L-histidine) is a small di-peptide with numerous activities, including antioxidant effects, metal chelation, proton buffering capacity and the inhibition of protein carbonylation and glycoxidation...
February 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28205188/understanding-the-links-between-lung-cancer-copd-and-emphysema-a-key-to-more-effective-treatment-and-screening
#18
REVIEW
Luis M Seijo, Javier J Zulueta
Lung cancer has been linked to the changes in lung function characteristic of chronic obstructive pulmonary disease (COPD) and to the changes in lung morphology seen in emphysema. It seems that a common thread of smoking-induced lung injury can be traced to all three diseases. However, the association is not as straightforward as it may seem; for example, even never-smokers with emphysema have an increased risk of lung cancer. Whether lung cancer, COPD, and emphysema are linked by common genes, mechanisms, causes, or a combination thereof, understanding the associations between them has become a priority for research regarding tobacco-related illnesses...
February 15, 2017: Oncology (Williston Park, NY)
https://www.readbyqxmd.com/read/28204830/monoclonal-antibody-against-toll-like-receptor%C3%A2-4-attenuates-ventilator-induced-lung-injury-in-rats-by-inhibiting-myd88-and-nf-%C3%AE%C2%BAb-dependent-signaling
#19
Cuiyuan Huang, Linghui Pan, Fei Lin, Huijun Dai, Ruili Fu
The mechanisms through which mechanical ventilation causes non-infectious inflammatory diseases and lung injury are poorly understood. Animals models of this type of injury suggest that it involves signaling mediated by Toll‑like receptor (TLR)4 and 9. In this study, in order to gain further insight into the involvement of TLR4 in this type of injury, we performed in vivo and in vitro experiments to determine the mechanisms through which TLR4 triggers inflammation. We also examined whether the use of TLR4 monoclonal antibody (mAb) can alleviate this type of injury...
March 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28203741/primary-blast-lung-injury-a-review
#20
T E Scott, E Kirkman, M Haque, I E Gibb, P Mahoney, J G Hardman
No abstract text is available yet for this article.
March 1, 2017: British Journal of Anaesthesia
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