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Glutamine attenuates renal ischemia-reperfusion injury and prevents acute kidney damage

ABSTRACT: Glutamine attenuates renal ischemia-reperfusion injury and prevents acute kidney damage

PROVIDER: PRJNA779717 | ENA |

REPOSITORIES: ENA

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Glutamine attenuates renal ischemia-reperfusion injury and prevents acute kidney damage

Project description:Acute kidney injury (AKI) represents a common complication in critically ill patients that is associated with an increased morbidity and mortality. Currently, no effective treatment options are available. Here, we show that glutamine significantly attenuates leukocyte recruitment and inflammatory signaling in human and murine tubular epithelial cells (TECs). In a murine AKI model induced by ischemia-reperfusion-injury (IRI) we show that glutamine causes transcriptomic and proteomic reprogramming in renal TECs and neutrophils, resulting in decreased epithelial apoptosis, neutrophil recruitment and improved mitochondrial functionality and respiration provoked by an ameliorated oxidative phosphorylation. We identify the proteins glutamine gamma glutamyltransferase 2 (Tgm2) and apoptosis signal-regulating kinase (Ask1) as the major targets of glutamine in apoptotic signaling. Increased Tgm2 expression and reduced Ask1 activation result in decreased JNK activation leading to a diminished mitochondrial intrinsic apoptosis in kidneys upon IRI-induced AKI and under hypoxia or following TNFα-treatment of TECs. Consequently, glutamine administration attenuated kidney injury in vivo during AKI progression as well as TEC viability in vitro under inflammatory and hypoxic conditions.

2023-03-11 | PXD029723 | Pride

Glutamine attenuates renal ischemia-reperfusion injury and prevents acute kidney damage

Project description:Our study investigates how the systemic administration of glutamine modulates the transcriptomic profile of neutrophils and renal tubular epithelial cells in the kidney during acute kidney injury.

2021-11-13 | GSE188628 | GEO

Differential expression of mRNAs in the heart of ischemia-reperfusion mice

Project description:To identify the role of mRNA during myocardial ischemia-reperfusion in mice, we have employed high-throughput sequencing to detect mRNA expression. Samples were collected from the control group and the ischemia reperfusion groups , with 5 samples per group. The candidate mRNA that may affect the process of myocardial ischemia-reperfusion was screened by comparing the ischemia-reperfusion group and the control group.

2023-11-15 | GSE223343 | GEO

Transcription profiling of rat NRVMs response to ischemia and reperfusion events using Coverslip Hypoxia

Project description:NRVMs were subjected to varying durations of ischemia or ischemia+reperfusion using coverslip hypoxia. Expression profiling was used to identify genes that are differentially regulated in either event. We used microarrays to detail the global program of gene expression underlying ischemia and reperfusion using Coverslip Hypoxia and identified distinct classes of genes regulated during these processes. Experiment Overall Design: RNA was extracted from NRVMs subjected to varying durations of ischemia or ischemia+reperfusion and hybridized to rat genome Affymetrix arrays.

2008-06-15 | E-GEOD-6701 | biostudies-arrayexpress

MicroRNA Profiling in Ischemia-Reperfusion Injury of the Gracilis Muscle in Rats

Project description:This SuperSeries is composed of the following subset Series: GSE21405: MicroRNA Profiling In Ischemia-Reperfusion Injury Of The Gracilis Muscle In Rats GSE21406: Potential Target Genes of MicroRNA-21 In Ischemia-Reperfusion Injury Of The Gracilis Muscle In Rats Refer to individual Series

2010-04-22 | E-GEOD-21423 | biostudies-arrayexpress

Pulmonary gene expression after ischemia reperfusion in young and old mice

Project description:To examine the age-related vulnerability to lung ischemia reperfusion injury, pulmonary gene expression profiles after lung ischemia reperfusion were compared between young and old mice.

2024-04-06 | GSE211951 | GEO

LncRNA and mRNA profiling of the ischemia zone, the border zone and the remote non-ischemia zone of murine myocardial ischemia/reperfusion (MI/R) hearts

Project description:Purpose：Detection of differentially expressed lncRNA in the infarct zone and the control group in myocardial ischemia-reperfusion injury model tissue. Method: Use 8 weeks of C57BL/6 mice to establish a myocardial ischemia-reperfusion injury model, 45 minutes of ischemia, and 24 hours after reperfusion, the mice were sacrificed to obtain materials. Result: The expression of lncRNAs in the infarct area of myocardial ischemia-reperfusion injury model mice was detected, and it was found that a total of 43 lncRNAs related to myocardial ischemia-reperfusion injury changed in expression, of which 17 were up-regulated (fold change >1.5). 26 expressions are down-regulated (fold change <0.8)

2020-11-11 | GSE161151 | GEO

Gene Expression Changes due to Rat Lung Ischemia-Reperfusion Injury

Project description:Ischemia-reperfusion injury (IRI) is a major cause of morbidity and mortality following conventional lung transplantation and warm ischemia may limit success of transplanting lungs from non-heart-beating donors. We sought to determine alterations in gene expression in rat lung tissue subjected to warm ischemia in vivo followed by reperfusion. Keywords: time course

2019-04-30 | GSE9634 | GEO

Intralipid protects the heart in late pregnancy against ischemia/reperfusion injury

Project description:The heart of late pregnant (LP) rodents is more prone to ischemia/reperfusion (I/R) injury compared to non-pregnant rodents. We hypothesized that Intralipid (ITLD) protects the heart in LP rodents against I/R injury. We performed genome-wide expression profiling to identify the underlying mechanisms. Female LP rat hearts were subjected to ischemia followed by reperfusion with vehicle or ITLD (one bolus of 5mg/kg).

2016-02-09 | E-GEOD-77698 | biostudies-arrayexpress

Global microRNA expression profiling of mouse livers following ischemia-reperfusion injury at different stages. [miRNA]

Project description:Hepatic ischemia reperfusion injury is a dynamic process consisting of two stages: ischemia and reperfusion, and triggers a cascade of physiological and biochemical events. Given the important role of microRNAs in regulating gene expression, we analyzed gene expression changes in mouse livers at sham control, ischemia stage, and reperfusion stage. We generated global expression profiles of microRNA and mRNA genes in mouse livers subjected to ischemia reperfusion injury at the three stages, respectively. Comparison analysis showed that reperfusion injury had a distinct expression profile whereas the ischemia sample and the sham control were clustered together. Consistently, there are 69 differentially expressed microRNAs between the reperfusion sample and the sham control whereas 28 differentially expressed microRNAs between the ischemia sample and the sham control. We further identified two modes of microRNA expression changes in ischemia reperfusion injury. Functional analysis of both the differentially expressed microRNAs in the two modes and their target mRNAs revealed that ischemia injury impaired mitochondria function, nutrient consumption, and metabolism process. In contrast, reperfusion injury led to severe tissue inflammation that is predominantly an innate-immune response in the ischemia reperfusion process. Our staged analysis of gene expression profiles provides new insights into regulatory mechanisms of microRNAs in mouse hepatic ischemia reperfusion injury.

2015-10-01 | GSE72314 | GEO

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