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Transcriptome profiling of mRNAs in cortex of rats with cerebral ischemia and reperfusion

ABSTRACT: Transcriptome profiling of mRNAs in cortex of rats with cerebral ischemia and reperfusion

PROVIDER: PRJNA923243 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR23060852_1.fastq.gz	Fastqsanger.gz
	SRR23060852_2.fastq.gz	Fastqsanger.gz
	SRR23060853_1.fastq.gz	Fastqsanger.gz
	SRR23060853_2.fastq.gz	Fastqsanger.gz
	SRR23060854_1.fastq.gz	Fastqsanger.gz

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Transcriptome profiling of mRNAs in cortex of rats with cerebral ischemia and reperfusion

Project description:We analyzed transcriptomic characteristic of motor cortex from Sprague-Dawley rats brain with cerebral ischemia and reperfusion (CIR).

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Project description:We analyzed transcriptomic characteristic of motor cortex from Sprague-Dawley rats brain with cerebral ischemia and reperfusion (CIR) treated by acupuncture.

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Effect of Celastrol on LncRNAs and mRNAs Profiles of Cerebral Ischemia-Reperfusion Injury in Transient Middle Cerebral Artery Occlusion Mice Model

Project description:Celastrol plays a significant role in cerebral ischemia-reperfusion injury. Although previous studies have confirmed that celastrol post-treatment has a protective effect on ischemic stroke, the therapeutic effect of celastrol on ischemic stroke and the underlying molecular mechanism remain unclear. In the present study, focal transient cerebral ischemia was induced by transient middle cerebral artery occlusion (tMCAO) in mice and celastrol was administered immediately after reperfusion. We performed lncRNA and mRNA analysis in the ischemic hemisphere of adult mice with celastrol post-treatment through RNA-Sequencing (RNA-Seq). A total of 50 differentially expressed lncRNAs (DE lncRNAs) and 696 differentially expressed mRNAs (DE mRNAs) were identified between the sham and tMCAO group, and a total of 544 DE lncRNAs and 324 DE mRNAs were identified between the tMCAO and tMCAO+celastrol group. Bioinformatic analysis was done on the identified deregulated genes through gene ontology (GO) analysis, KEGG pathway analysis and network analysis. Pathway analysis indicated that inflammation-related signaling pathways played vital roles in the treatment of ischemic stroke by celastrol. Our study suggests celastrol treatment can effectively reduce cerebral ischemia-reperfusion injury. The bioinformatics analysis of lnRNAs and mRNAs profiles in the ischemic hemisphere of adult mice provides a new perspective in the neuroprotective effects of celastrol, particularly with regards to ischemic stroke.

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Transcriptome profiling of mRNAs in cortex of rats with cerebral ischemia and reperfusion treated by acupuncture

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Proteomic analysis of focal cerebral ischemia/reperfusion injury in rats

Project description:Stroke is a leading cause of mortality and long-term disability and ischemic stroke accounts for 87% of all strokes. Though timely recanalization of the occluded vessel is essential in the treatment of ischemic stroke, it is well known to cause ischemia-reperfusion (I/R) injury which result in neuronal cell death, brain tissue loss and severe neurological deficits. In this work, we employed a global proteomic approach to examine the changes of cerebral cortex proteins in rats undergoing acute and long-term I/R injury. In vivo middle cerebral artery occlusion (MCAO) model of focal cerebral I/R injury in rats was established. The animals were divided into three model groups with 2 h-MCAO followed with different reperfusion time, 1 day, 7 days and 14 days, respectively. For each model group a sham group was correspondingly set. Each group included four animals. For proteomic analysis, cerebral cortex proteins were extracted and analyzed by SDS-PAGE, whole-lane slicing, in-gel digestion and label-free quantitative LC-MS/MS. A total of 5621 proteins were identified and their quantities between the surgery and corresponding sham groups and across the three reperfusion time points were compared for mechanism investigation. This dataset includes all the raw files of the 840 LC-MS runs (6 groups x 4 animals x 35 gel squares/sample), as well as their identification and quantitation results at the levels of peptide fragments, peptides and proteins, respectively.

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Gene expression profile in cerebral ischemia-reperfusion injury of rat model

Project description:To reveal the alterations of mRNA profile in cerebral ischemia-reperfusion injury in rat. The SD rats were used to established the middle cerebral artery occlusion and reperfusion (MCAO/R) model. RNA-seq were performed to identify differences in gene expression.

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phosphoproteome of hippocampus after focal cerebral ischemia 1.5 h and reperfusion 24 h in mice

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