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Epithelial-derived exosomes promote M2 macrophage polarization via Notch2/SOCS1 during mechanical ventilation

ABSTRACT: Epithelial-derived exosomes promote M2 macrophage polarization via Notch2/SOCS1 during mechanical ventilation

PROVIDER: PRJNA827583 | ENA |

REPOSITORIES: ENA

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Epithelial-derived exosomes promote M2 macrophage polarization via Notch2/SOCS1 during mechanical ventilation

Project description:To explore the downstream mechanisms of Notch2 induced M2 macrophage polarization during mechanical ventilation, the BMDMs-treated with exosomes for non-cyclical-stretched or cyclical-stretced epithelial cells for 12 h were subjected to RNA-seq.

2022-04-24 | GSE200932 | GEO

Effect of mechanical ventilation and mechanical ventilationon with positive end expiratory pressure(PEEP) application on diaphragmatic dysfunction in rabbits

Project description:To investigate the effect of mechanical ventilation and mechanical ventilationon with PEEP application on diaphragmatic dysfunction, we established a model of mechanical ventilation on New Zealand rabbit, in which rabbits in the experimental group were ventilated with/without PEEP application for 48 hours continuously

2023-04-12 | GSE228739 | GEO

Transcription profiling of lung samples from mouse and rat treated with mechanical ventilation

Project description:This series contain mouse and rat lung samples treated with mechanical ventilation and corresponded controls.

2007-07-20 | E-GEOD-2368 | biostudies-arrayexpress

Age Dependent Gene Expression Responses to Inhaled Lipopolysaccharide Combined with Mechanical Ventilation

Project description:Children have a lower incidence and mortality from acute lung injury than adults, and infections are the most common event associated with acute lung injury (ALI). To study the effects of age on susceptibility to ALI, we investigated the responses to microbial products combined with mechanical ventilation in juvenile (21 day) and adult (16 week-old) mice. We hypothesized that the increased incidence and severity of lung injury associated with increasing age is due in large part to acquired changes in the way in which inflammatory responses are activated in the lungs in response to microbial products and mechanical ventilation. Juvenile (21 day) and adult (16 week) C57BL/6 mice were treated with an aerosol of E. coli 0111:B4 lipopolysaccharide (LPS) (20 mL of 0.1 mg/mL) for 30 minutes in a sealed aerosol chamber, immediately followed by mechanical ventilation (LPS+MV) using tidal volume = 15 mL/kg, rate = 80 breaths/min, FiO2 = 30% and positive end expiratory pressure = 2 cm H2O for the duration of the study period time = 2 hours. Comparison groups included mice treated with LPS or mechanical ventilation (MV) alone, and untreated age-matched controls. There were N = 4 animals per group except the juvenile mice treated with MV alone and LPS+MV where there were N = 3. Each sample was an individual animal, therefore there were 30 samples. Mice treated with LPS alone were placed into a sealed aerosol chamber as stated above, and then allowed to breath spontaneously with free access to food and water for the duration of the study period time = 2 hours. Mice treated with MV alone were treated with the mechanical ventilation protocol stated above for the duration of the study period time = 2 hours. At the end of the study period, the mice were euthanized, and the lungs were immediately removed and placed into RNAlater (Ambion, Austin, TX) for at least 24 hr prior to isolation of total lung mRNA.

2009-11-23 | E-GEOD-18341 | biostudies-arrayexpress

Mechanical Ventilation Augments LPS-induced Lung Injury

Project description:This experiment investigated the role of mechanical ventilation (MV) in modulating lung's transcriptional response to LPS. Twenty four C57/B6 male mice were randomized to four groups: 1. Control, 2. MV, 3. LPS and 4. MV+LPS. Expression profiling of whole lungs revealed a significant augmentation of the transcriptional response in the combined MV+LPS group relative to the other 3 conditions. Keywords: repeat sample

2005-08-01 | GSE2411 | GEO

Age Dependent Gene Expression Responses to Inhaled Lipopolysaccharide Combined with Mechanical Ventilation

2009-11-23 | GSE18341 | GEO

MAP Kinase Phosphatase-1 Modulates Regional Effects of Injurious Mechanical Ventilation in Rodent Lungs

Project description:Scientific knowledge on the subjects: Injurious mechanical ventilation amplifies acute lung injury in a heterogeneous and regional fashion but the molecular mechanisms underlying regional lung injury and the protective effects of prone positioning are unclear. Regionally injurious ventilation is associated with discrete differential lung transcriptomic changes. Ventilating in the prone, compared with the supine position abrogates regional injury by depressing MKP-1.

2011-08-27 | GSE31678 | GEO

Mitochondrial dysfunction and immune response in pneumococcal pneumonia submitted to mechanical ventilation: impact of mesenchymal stem cells?

Project description:The goal of this study was to evaluate the impact of mechanical ventilation on immune and mitochondrial dysfunctions, in the setting of pneumococcal pneumonia in rabbits. Then, in a randomized trial, we assessed the effect of human umbilical cord-derived mesenchymal stem cells (MSCs), either alone, or in association with an atibiotic treatment (Ceftaroline) in the setting of pneumococcal pneumonia submitted to adverse mechanical ventilation. Pulmonary gene expression was analysed in an attempt to elucidate the effects of MSCs.

2021-04-24 | GSE173238 | GEO

MAP Kinase Phosphatase-1 Modulates Regional Effects of Injurious Mechanical Ventilation in Rodent Lungs

2011-08-26 | E-GEOD-31678 | biostudies-arrayexpress

Mechanisms of variable ventilation in experimental lung injury

Project description:In the present study we seek to identify changes in lung gene expression under mechanical ventilation in uninjured as well as acutely and chronically injured lungs. A standard volume-controlled lung-protective ventilatory protocol is compared to a concept of mechanical ventilation using variable tidal volumes.

2017-02-17 | GSE78008 | GEO

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