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Transcriptome sequencing of human brain tissue after intracerebral hemorrhage

ABSTRACT: Transcriptome sequencing of human brain tissue after intracerebral hemorrhage

PROVIDER: PRJNA705186 | ENA |

REPOSITORIES: ENA

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Transcriptome sequencing of human brain tissue after intracerebral hemorrhage

Project description:We used tissue bulk RNA-seq to analyze gene expression profile in the brain after intracerebral hemorrhage.

2021-09-01 | GSE167758 | GEO

Analysis of Age-Dependent Transcriptomic Changes in Response to Intracerebral Hemorrhage in Mice

Project description:To investigate age-dependent transcriptomic changes between young or aged intracerebral hemorrhage mice, we established collagenase IV-induced intracerebral hemorrhage mice models. Intracerebral hemorrhage was induced by infusion of sterile collagenase IV in ipsilateral caudate putamen of brain. We then performed gene expression profiling analysis using data obtained from RNA-seq of brain perihematomal tissues from young or aged ICH mice 24 hours after intracerebral hemorrhage.

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Molecular signatures of CD45+ cells from brain and spleen after intracerebral hemorrhage

Project description:Leukocyte infiltration accelerates brain injury following intracerebral hemorrhage (ICH). But the involvement of T lymphocytes in this process has not been fully elucidated.To further depict the landscape of the composition and functional states of brain-infiltrating immune cells following ICH, single-cell RNA sequencing was performed to compare the molecular characteristics of CD45+ cells from brain and spleen tissues in ICH and control mice.Our results revealed that brain-infiltrating T cells exhibited enhanced pro-inflammatory and pro-apoptotic signatures.

2023-06-07 | GSE230414 | GEO

Leukocyte dynamics after intracerebral hemorrhage in a living patient reveal rapid adaptations to tissue milieu

Project description:Intracerebral hemorrhage (ICH) is a devastating form of stroke with a high mortality rate and few treatment options. Discovery of therapeutic interventions has been slow given the challenges associated with studying acute injury, particularly over time, in the human brain. Inflammation induced by exposure of brain tissue to blood appears to be a major part of brain tissue injury. Here we longitudinally profiled blood and cerebral hematoma effluent from a patient enrolled in the Minimally Invasive Surgery with Thrombolysis in Intracerebral Haemorrhage Evacuation (MISTIEIII) trial, offering a rare window into the local and systemic immune responses to acute brain injury. Using single-cell RNA-sequencing, we characterized the local cellular response during ICH in the brain of a living patient at single-cell resolution for the first time. Our analysis revealed rapid shifts in the activation states of myeloid and T cells in the brain over time, suggesting that leukocyte responses are dynamically reshaped by the hematoma microenvironment. Interestingly, the patient had an asymptomatic re-bleed (second local exposure to blood) that our transcriptional data indicated occurred more than 30 hours prior to detection by CT scan. This case highlights the rapid immune dynamics in the brain after ICH and suggests that sensitive methods like scRNA-seq can inform our understanding of complex intracerebral events.

2021-06-02 | GSE166638 | GEO

Transcriptome profiling of rat brain samples in two age groups in responding to intracerebral hemorrhage

Project description:Aging-induced decline of endogenous neuroprotection has been shown to aggravate intracerebral hemorrhage (ICH)-induced acute brain injury, however, the underlying mechanisms in brain are still little known. In this study, we applied a rat ICH model to study the transcriptional responses in the early and late aging (13-month and 22-month old) rats that show substantial differences in brain damage and recovery. Transcriptome analysis (RNA-seq) reveals that brain expression of neuroinflammation genes is similarly and selectively upregulated in ICH, which includes genes in the cellular response to interferon gamma function. We show that the anti-IFN-γ treatment effectively reduces ICH-induced acute brain injury.

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Study of the pathology and the underlying molecular mechanism of tissue injury around hematoma following intracerebral hemorrhage

Project description:We compare the perihematoma tissues before and after intracerebral hemorrhage in rats. Gene Ontology functional annotation, Protein interaction network analysis, reverse transcription quantitative PCR technology, Western blot technology, immunofluorescence technology and Causal network analysis are used to detect the changes of RET before and after intracerebral hemorrhage and the pathways in which RET might be involved.

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Effect of acupuncture on gene expression in cerebral tissue of mice with cerebral hemorrhage

Project description:The present study aimed to identify and analyze the m6A profiles in the brain tissue of mice with intracerebral hemorrhage after acupuncture treatment.

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Development of gene expression signatures in experimental intracerebral hemorrhage

Project description:To identify the potential lncRNA and mRNA post intracerebral hemorrhage (ICH), we have employed lncRNA microarray expression profiling. 570 mRNAs and 313 lncRNAs were identified in the ICH vs sham group .Expression of six mRNA (Saa3, Col10a1, Mmp13, Oxt, Pcdhb6 and Resp18) and lncRNA (ENSMUT00000141700, AK143011, ENSMUT00000128306, AK030988, ENSMUST00000187076 and ENSMUST00000134129) from this signature was quantified by qPCR.

2023-05-17 | GSE227683 | GEO

Gene Discovery for Warfarin-Related Intracerebral Hemorrhage

Project description:Gene Discovery for Warfarin-Related Intracerebral Hemorrhage

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Phosphoproteomics reveals the disturb of kinase-substrates in intracerebral hemorrhage with hyperhomocysteinaemia

Project description:To elucidate the impact and mechanism of homocysteine on intracerebral hemorrhage at a system-wide level, we used a global phosphoproteomic approach combined with proteomics. Hyperhomocysteinaemia (HHcy) mice was induced by high methionine diet，and Experimental intracerebral hemorrhage was induced by injection of autologous blood. Perihematoma tissue was collected and MS/MS was performed to get phophoproteomics data.

2023-01-31 | PXD039748 | iProX

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