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Hypidonehydrochloride (YL-0919) improves MCAO-induced ischemia-reperfusion injury by reducing inflammation

ABSTRACT: YL-0919 can alleviate the inflammatory response, reduce the area of cerebral infarction, decrease the degree of cell apoptosis on the injured side, hasten the regeneration of neurons, improve nerve function injury, and accelerate the recovery of motor function after MCAO surgery.

ORGANISM(S): Mus musculus

PROVIDER: GSE260488 | GEO | 2025/02/11

REPOSITORIES: GEO

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Hypidonehydrochloride (YL-0919) improves MCAO-induced ischemia-reperfusion injury by reducing inflammation

Project description:Hypidonehydrochloride (YL-0919) improves MCAO-induced ischemia-reperfusion injury by reducing inflammation

| PRJNA1081874 | ENA

NMN ameliorates brain ischemia reperfusion injury after MCAO by reducing apoptosis and neutrophil extracellular trap formation in rats

Project description:Ischemia reperfusion injury (IRI) is a common disease encountered in clinical practice, especially in the management of patients experiencing shock and the treatment of patients with cerebral infarction, and it is also an important factor in the poor prognosis of patients with cardiopulmonary resuscitation or stroke. Therefore, in this study, we constructed rat MCAO models and treated them with NMN. The tissues was collected for RNAseq to explore the gene expression and pathways influenced by NMN. We detected the neutrophil content by flow cytometry, apoptosis was detected by TUNEL staining and flow cytometry, the formation of NETs was evaluated by quantification of NE-DNA, and qPCR and Western blotting were performed to detect the expression of related genes. Our results showed there were fewer apoptotic cells after NMN treatment, and the ROS production was decreased. Importantly, the neutrophil was decreased and NETs were reduced after NMN treatment. Meanwhile, we observed the levels of p-ERK and p-p38 were decreased. Our findings indicated that NMN reduced cerebral ischemia reperfusion injury in rat MCAO model. NMN treatment decreased neutrophil and reduced NETs formation. The mechanism was referred to as the inhibition effect of ROS and ERK/p38 signaling.

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Transcription profiling of mouse forebrain with induced middle cerebral artery occlusion (MCAO) to study permanent focal cerebral ischemia

Project description:profiling gene transcription in a mouse model of permanent focal cerebral ischemia that was induced by middle cerebral artery occlusion (MCAO)

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NMN ameliorates brain ischemia reperfusion injury after MCAO by reducing apoptosis and neutrophil extracellular trap formation in rats

Project description:NMN ameliorates brain ischemia reperfusion injury after MCAO by reducing apoptosis and neutrophil extracellular trap formation in rats

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mRNA microarray in MCAo rat model with IV-hUMSC

Project description:To evaluate the change of gene expression at cerebral infarction by the treatment of IV-human umblical cord derived mesenchymal stem cell. RNA was isolated from the ipsilateral hemisphere to MCAo in rats. At 72 h post-MCAo, the ipsilateral hemisphere subjected to MCAo was used for mRNA microarray. RNA was isolated from the ipsilateral hemisphere to MCAo in rats without MCAo (control group, n=5), rats treated with 1x106 IV-hUMSC (hUMSC group, n=6) and saline (saline group, n=5) at 24h post-MCAo.

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Global gene expression profile of cerebral ischemia-reperfusion injury in rat MCAO model.

Project description:It is well-established that reperfusion following cerebral ischemic injury gives rise to secondary injury accompanied by structural and functional damage. However, it remains unclear how global genes changes in cerebral ischemia-reperfusion injury (IRI). This study investigated global gene expression in the hippocampi of Wistar rats following transient cerebral IRI using an RNA-sequencing strategy. The results revealed ≥2-fold up-regulation of 156 genes and ≥2-fold down-regulation of 26 genes at 24 h post-reperfusion. Fifteen differentially expressed genes were selected to confirm the RNA-sequencing results. Gene expression levels were dynamic, with the peak expression level of each gene occurring at different time points post-reperfusion. Gene Ontology (GO) analysis classified the differentially expressed genes as mainly involved in inflammation, stress and immune response, glucose metabolism, proapoptosis, antiapoptosis, and biological processes. KEGG pathway analysis suggested that IRI activated different signaling pathways, including focal adhesion, regulation of actin cytoskeleton, cytokine-cytokine receptor interaction, MAPK signaling, and Jak-STAT signaling. This study describes global gene expression profiles in the hippocampi of Wistar rats using the middle cerebral artery occlusion (MCAO) model. These findings provide new insights into the molecular pathogenesis of IRI and potential drug targets for the prevention and treatment of IRI in the future.

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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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Expression data from rat (Sprague Dawley) brain subjected to MCAo.

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Project description:Leucine-rich alpha-2 glycoprotein 1 (Lrg1) appears to be associated with the progression of cerebral ischemia-reperfusion injury, but its exact mechanism remains unknown. Here, we utilized scRNA-seq to compare the microenvironmental changes in the brains of Lrg1 knockout mice and wild-type mice following MCAO/R, in order to elucidate the role of Lrg1 after MCAO/R.

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