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Mus musculus

ABSTRACT: Time-course analysis of microglia-specific RNA-seq in two severities of spinal cord injury

PROVIDER: PRJNA378672 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR5331760.fastq.gz	Fastqsanger.gz
	SRR5331770.fastq.gz	Fastqsanger.gz
	SRR5331761.fastq.gz	Fastqsanger.gz
	SRR5331771.fastq.gz	Fastqsanger.gz
	SRR5331762.fastq.gz	Fastqsanger.gz

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Mus musculus

Project description:Time-course analysis of astrocyte-specific RNA-seq in two severities of spinal cord injury

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Mus musculus

Project description:Time-course analysis of mouse injured spinal cord

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Spinal cord injury (RNA sequencing data)

Project description:We investigated the gene expression profile of monocyte-derived macrophages and microglia following spinal cord injury. Moreover, we investigated the gene expression profole of M-CSF induced macrophages and new-born derived microglia following TGFb1 treatment. monocyte-derived macrophages and microglia following spinal cord injury M-CSF induced macrophages and new-born derived microglia following TGFb1 treatment

2014-12-03 | E-GEOD-62698 | biostudies-arrayexpress

Time-course analysis of microglia-specific RNA-seq in two severities of spinal cord injury

Project description:RNA-seq analysis of microglia following spinal cord injury demonstrated that microglia response is driven by time after injury but not lesion severity.

2017-03-27 | GSE96055 | GEO

Single-cell RNA sequencing reveals time- and sex-specific responses of spinal cord microglia to peripheral nerve injury and links ApoE to neuropathic pain

Project description:Activation of microglia in the spinal cord following peripheral nerve injury is critical for the development of long-lasting pain hypersensitivity. However, it remains unknown whether distinct microglia subpopulations or states contribute to different stages of pain development and maintenance. Here, we demonstrate, using single-cell RNA-sequencing, that microglia transcriptional states differ at early and late time points following nerve injury. Male microglia show more proliferation and distinct transcriptional changes in response to nerve injury comparing to females. Apolipoprotein E (Apoe) was the top upregulated gene in microglia at chronic time points after nerve injury in mice and polymorphisms in the APOE in humans are associated with chronic pain. Single-cell analysis of human spinal cord microglia reveals a subpopulation with a disease-related transcriptional signature. Our data provide a detailed analysis of transcriptional states of mouse and human spinal cord microglia and identify a previously unrecognized role for ApoE in neuropathic pain.

2020-12-07 | GSE162807 | GEO

Mus musculus

Project description:Spinal Cord Injury Murine Model

| PRJNA96419 | ENA

Differential Response Following Spinal Cord Injury in EphA4 Knockout

Project description:Mice lacking the developmental axon guidance molecule EphA4 have previously been shown to exhibit extensive axonal regeneration and functional recovery following spinal cord injury. To assess mechanisms by which EphA4 may modify the response to neural injury, a microarray was performed on spinal cord tissue from mice with spinal cord injury and sham injured controls. RNA was purified from spinal cords of adult EphA4 knockout and wild-type mice four days following lumbar spinal cord hemisection or laminectomy only and was hybridised to Affymetrix All-Exon Array 1.0 GeneChips. While subsequent analyses indicated that several pathways were altered in EphA4 knockout mice, of particular interest was the attenuated or otherwise altered expression of a number of inflammatory genes, including Arginase 1, expression of which was lower in injured EphA4 knockout compared to wild-type mice. Immunohistological analyses of different cellular components of the immune response were then performed in injured EphA4 knockout and wild-type spinal cords. While numbers of infiltrating CD3+ T cells were low in the hemisection model, a robust CD11b+ macrophage / microglial response was observed post-injury. There was no difference in the overall number or spread of macrophages / activated microglia in injured EphA4 knockout compared to wild-type spinal cords at two, four or fourteen days post-injury, however a lower proportion of Arginase-1 immunoreactive macrophages / activated microglia was observed in EphA4 knockout spinal cords at four days post-injury. Subtle alterations in the neuroinflammatory response in injured EphA4 knockout spinal cords may contribute to the regeneration and recovery observed in these mice following injury. Comparison was made between gene expression in wild-type and knockout samples both before and after injury. 3 replicates per group.

2012-05-23 | E-GEOD-34430 | biostudies-arrayexpress

Tenascin-C modifies expression levels and territories of key patterning genes during spinal cord astrocyte specification [mus musculus]

Project description:We demonstrate for the first time that the extracellular matrix glycoprotein Tenascin-C regulates the expression of key patterning genes during late embryonic spinal cord development, leading to a timely maturation of gliogenic neural precursor cells. We first show that Tenascin-C is expressed by gliogenic neural precursor cells during late embryonic development. The loss of Tenascin-C leads to a sustained generation and delayed migration of Fibroblast growth factor receptor 3 expressing immature astrocytes in vivo. Furthermore, we could demonstrate an upregulation of Nk2 transcription factor related locus 2 (Nkx2.2) and its downstream target Sulfatase 1 in vivo. A dorsal expansion of Nkx2.2-positive cells within the ventral spinal cord indicates a potential progenitor cell domain shift. Moreover, Sulfatase 1 is known to regulate growth factor signalling by cleaving sulphate residues from heparan sulphate proteoglycans. Consistent with this possibility we observed changes in both Fibroblast growth factor 2 and Epidermal growth factor responsiveness of spinal cord neural precursor cells. Taken together our data clearly show that Tenascin-C promotes the astroglial lineage progression during spinal cord development.

2011-10-20 | GSE33091 | GEO

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Project description:Spinal cord injury (RNA sequencing data)

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Transcription profiling time series of Rattus norvegicus raphe magnus and sensorimotor cortex samples following moderate spinal cord injury

Project description:Summary: Spinal cord injury (SCI) is a damage to the spinal cord induced by trauma or disease resulting in a loss of mobility or feeling. SCI is characterized by a primary mechanical injury followed by a secondary injury in which several molecular events are altered in the spinal cord often resulting in loss of neuronal function. Analysis of the areas directly (spinal cord) and indirectly (raphe and sensorimotor cortex) affected by injury will help understanding mechanisms of SCI. Hypothesis: Areas of the brain primarily affected by spinal cord injury are the Raphe and the Sensorimotor cortex thus gene expression profiling these two areas might contribute understanding the mechanisms of spinal cord injury. Specific Aim: The project aims at finding significantly altered genes in the Raphe and Sensorimotor cortex following an induced moderate spinal cord injury in T9.

2007-10-08 | E-GEOD-2270 | biostudies-arrayexpress

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