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Injured Sciatic Nerve Atlas (iSNAT)

ABSTRACT: Description of cellular and molecular changes in the mouse sciatic nerve following crush injury

ORGANISM(S): Mus musculus

PROVIDER: GSE198582 | GEO | 2022/12/08

REPOSITORIES: GEO

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Single Cell Atlas of Injured Sciatic Nerve Tissue

Project description:Sciatic nerve crush (SNC) triggers sterile inflammation within the distal nerve and de-afferented dorsal root ganglia (DRGs). In the nerve, neutrophils and pro-inflammatory Ly6Chigh monocytes appear first and rapidly give way to Ly6Clow resolving macrophages. Transcriptional profiling of injured nerve tissue identifies six macrophage subpopulations, repair Schwann cells and mesenchymal cells as the main cell types. Macrophages at the nerve crush site are distinct from macrophages associated with degenerating nerve fibers. Monocytes and macrophages in the injured nerve “eat” apoptotic cell corpses of leukocytes and thereby contribute to an anti-inflammatory milieu. Studies with chimeric mice show that following SNC few blood-derived immune cells enter DRGs. Myeloid cells in the injured nerve, but not DRGs, express the receptor for the chemokine GM-CSF. In the absence of GM-CSF, conditioning-lesion induced regeneration of DRG neuron central projections is abrogated. Thus, a carefully orchestrated immune response in the nerve is required for conditioning-lesion induced neurorepair.

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Gene expression from aged and young sciatic nerve after nerve injury

Project description:Sciatic nerve ligation was performed on cohorts of 2-month and 24-month old animals. Resulting gene-expression data were generated from sciatic nerve 1 and 4 days after injury compared to naïve animals. Results show differences in sciatic nerve responses with normal aging. Total RNA taken from sciatic nerves from 2-month and 24-month old animals at either day 0, 1 and 4 after sciatic nerve crush injury.

2014-07-30 | E-GEOD-59040 | biostudies-arrayexpress

Sciatic nerve crush regulation of RNA alternative poly-adenylation

Project description:Poly-adenylation regulates post-transcriptional processing and localization of mRNA. To study the effect of nerve injury on poly-adenylation across the transcriptome, 3'-end RNAseq was carried on DRG neurons following sciatic nerve injury. Mice were subjected to crush of the sciatic nerve in one side, while the other nerve was spared and used as naive control condition.

2025-05-16 | GSE230721 | GEO

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Project description:To map the loci of B2-SINE expressed in DRG which are regulated by sciatic nerve injury, paired-end RNAseq was carried on DRG neurons following sciatic nerve injury at 24h and 72h (3d) after injury. Mice were subjected to crush of the sciatic nerve in one side, while the other nerve was spared and used as naive control condition.

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Sciatic nerve crush regulation of RNA alternative poly-adenylation [DRGinjury_2019-QuantSeq_Rev_24h]

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Injured Sciatic Nerve Atlas (iSNAT)

Project description:Injured Sciatic Nerve Atlas (iSNAT)

| PRJNA816071 | ENA

Sciatic nerve crush regulation of ribosome-associated RNA in DRG neurons

Project description:Nerve injury alters transcription and translational processes in cell-type specific manner.Here we probe the effect of sciatic nerve injury on ribosome associated RNA specifically in sensory neurons.Mice were subjected to crush of the sciatic nerve in one side, while the other nerve was spared and used as naive control condition.

2025-05-16 | GSE230722 | GEO

Sciatic nerve crush regulation of ribosome-associated RNA in DRG neurons, alternative polyadenylation analytsis [DRGinjuryRiboTag2018-QuntSeq72h]

Project description:Nerve injury alters transcription and translational processes in cell-type specific manner.Here we probe the effect of sciatic nerve injury on alternative polyadenylation of ribosome associated RNA specifically in sensory neurons.Mice were subjected to crush of the sciatic nerve in one side, while the other nerve was spared and used as naive control condition.

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Bulk RNA-seq of rat sciatic nerve distal to crush after magnetic nanoparticle–mediated magnetic force stimulation

Project description:To explore the effect of magnetic mechanical force mediated by magnetic nanoparticles in a gradient magnetic field environment on the repair phenotype of Schwann cells in injured sciatic nerves, we established a rat sciatic nerve crush injury model and locally injected magnetic nanoparticles under the epineurium at the distal end of the crush site.

2025-08-24 | GSE306137 | GEO

Gene expression from aged and young dorsal root ganglia after nerve injury

Project description:Sciatic nerve crush was performed on cohorts of 2-month and 24-month old animals. Resulting gene-expression data were generated from dorsal root ganglia 5 days after injury compared to naïve animals. Results show differences in intrinsic growth responses with normal aging. Total RNA taken from L4 and L5 dorsal root ganglia 5 days after injury 2-month and 24-month old animals at either day 0 or day 5 after sciatic nerve crush injury.

2014-07-30 | E-GEOD-58982 | biostudies-arrayexpress

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