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Single-cell RNA-seq of traumatic brain injury samples

ABSTRACT: Single-cell RNA-seq of traumatic brain injury samples

PROVIDER: PRJNA756100 | ENA |

REPOSITORIES: ENA

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Gene expression profiles after traumatic brain injury

Project description:Time dependent-profiles in the gene expression level following lateral moderate fluid percussion injury in the rat brain We used microarray to elucidate relationship between the alteration of gene expression levels and the progression of brain damages following traumatic brain injury. To examine the levels of gene expression in the early phase of traumatic brain injury, we analyzed the gene expression at 3, 6, 12, and 48 h after trauma using the lateral moderate fluid percussion TBI model. The ratios of the gene expression level were compared between chips corresponding to the 3, 6 and 12 h fluid percussion groups and the sham group chips. On the other hand, the rations of gene expression level after 48 h FPI were compared with 48 h sham chip, because the gene expression levels of 48 h sham chip were distinct from sham group chips (3, 6 and 12 h) in the cluster and principal components analyses.

2010-12-07 | E-GEOD-24047 | biostudies-arrayexpress

Gene expression profiles after traumatic brain injury

2010-12-07 | GSE24047 | GEO

Transcription profiling of rat brain time series samples treated with lateral fluid percussion injury or sham surgery without injury to investigate the physiological effects of taumatic brain injury

Project description:Traumatic brain injury (TBI) induces a complex cascade of molecular and physiological effects. This study proposes to investigate the gene expression profile in cortex and hippocampus over early time points, following two different injury severities. These results will complement prior knowledge of both metabolic and neuroplastic changes after TBI, as well as serve as a starting point to investigate additional gene families whose expression is altered after TBI.,To characterize the profile of gene expression following a diffuse traumatic brain injury of varying severity in adult rats. ,Distinct patterns of gene expression following traumatic brain injury will occur in a time- and injury-dependent fashion. In particular, changes in expression of enzymes involved in energy metabolism and neuroplasticity will be detected.,Adult rats will be subjected to mild and severe lateral fluid percussion injury OR sham surgery without injury. At various post-injury timepoints (0.5, 4 and 24 hours), animals will be sacrificed, brain regions (parietal cortex and hippocampus, ipsilateral and contralateral to injury) will be dissected and RNA isolated. RNA will be used to synthesize cRNA probes for microarray hybridization. RNA from 2 matched animals will be pooled onto a single chip (U34A rat, Affymetrix). Comparisons will be made between sham and injured animals, with brain region, injury severity, and post-injury time point as the experimental variables.

2007-07-31 | E-GEOD-2871 | biostudies-arrayexpress

The dentate gyrus after traumatic brain injury [miRNA]

Project description:Analysis of the dentate gyrus of traumatic brain injury model. Results provide insight into the molecular mechanism underlying TBI.

2017-02-25 | GSE86614 | GEO

The dentate gyrus after traumatic brain injury [mRNA]

Project description:Analysis of the dentate gyrus of traumatic brain injury model. Results provide insight into the molecular mechanism underlying TBI.

2017-02-25 | GSE86579 | GEO

Chronic Gene Expression after Traumatic Brain Injury

Project description:Chronic Gene Expression after Traumatic Brain Injury

| PRJNA437082 | ENA

The dentate gyrus after traumatic brain injury

Project description:The dentate gyrus after traumatic brain injury

| PRJNA342409 | ENA

Comprehensive analysis of circRNA expression profiles in rat cerebral cortex after moderate traumatic brain injury

Project description:Background: Traumatic brain injury is a medical event of global concern, and a growing body of research suggests that circular RNA can play very important roles in traumatic brain injury. To explore the functions of more novel and valuable circular RNA in traumatic brain injury response, a moderate traumatic brain injury in rat was established and a comprehensive analysis of circular RNA expression profiles in rat cerebral cortex was done. Results: As a result, 301 up-regulated and 284 down-regulated circular RNAs were obtained in moderate traumatic brain injury rats, the Gene Ontology and Kyoto Encyclopedia of Genes and Genomes enrichment analysis were performed based on the circular RNA’s host genes, and a circRNA-miRNA interaction network based on differentially expressed circular RNAs was constructed. Also, four circular RNAs were validated by RT-qPCR and sanger sequencing. Conclusion: This study showed that differentially expressed circular RNAs existed between rat cerebral cortex after moderate traumatic brain injury and control. And this will provide valuable information for circular RNA research in the field of traumatic brain injury.

2022-01-15 | GSE193521 | GEO

Systems spatiotemporal dynamics of traumatic brain injury at single cell resolution

Project description:Systems spatiotemporal dynamics of traumatic brain injury at single cell resolution

| PRJNA749786 | ENA

Single-cell sequencing of cortical cells following murine traumatic brain injury [scRNA-seq]

Project description:Traumatic brain injury (TBI) can lead to significant neuropsychiatric problemsand neurodegenerative pathologies, which develop and persist years after injury. Neuroinflammatory processes evolve over this same period. Cortical mRNA analysis showed a robust contribution of microglia to neuroinflammatory pathways that persisted over time post-injury. These data also indicate that inflammation persists in the subacute and chronic time points after TBI, which may affect surrounding neurons, oligodendrocytes and astrocytes. To investigate this hypothesis, a single-cell sequencing approach was used to determine cell-type specific gene expression within the cortex 7 dpi with and without microglial depletion.

2020-11-15 | GSE160763 | GEO

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