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Next Generation Sequencing Facilitates Quantitative Analysis of Wild and spinal cord injury mice

ABSTRACT: Next Generation Sequencing Facilitates Quantitative Analysis of Wild and spinal cord injury mice

PROVIDER: PRJNA741510 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR14916223_1.fastq.gz	Fastqsanger.gz
	SRR14916223_2.fastq.gz	Fastqsanger.gz
	SRR14916224_1.fastq.gz	Fastqsanger.gz
	SRR14916224_2.fastq.gz	Fastqsanger.gz
	SRR14916225_1.fastq.gz	Fastqsanger.gz

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Project description:Adult zebrafish have the ability to recover from spinal cord injury and exhibit re-growth of descending axons from the brainstem to the spinal cord. We performed gene expression analysis using microarray to find damage-induced genes after spinal cord injury, which shows that Sox11b mRNA is up-regulated at 11 days after injury. However, the functional relevance of Sox11b for regeneration is not known. Here, we report that the up-regulation of Sox11b mRNA after spinal cord injury is mainly localized in ependymal cells lining the central canal and in newly differentiating neuronal precursors or immature neurons. Using an in vivo morpholino-based gene knockout approach, we demonstrate that Sox11b is essential for locomotor recovery after spinal cord injury. In the injured spinal cord, expression of the neural stem cell associated gene, Nestin, and the proneural gene Ascl1a (Mash1a), which are involved in the self-renewal and cell fate specification of endogenous neural stem cells, respectively, is regulated by Sox11b. Our data indicate that Sox11b promotes neuronal determination of endogenous stem cells and regenerative neurogenesis after spinal cord injury in the adult zebrafish. Enhancing Sox11b expression to promote proliferation and neurogenic determination of endogenous neural stem cells after injury may be a promising strategy in restorative therapy after spinal cord injury in mammals. Spinal cord injury or control sham injury was performed on adult zebrafish. After 4, 12, or 264 hrs, a 5 mm segment of spinal cord was dissected and processed (as a pool from 5 animals) in three replicate groups for each time point and treatment.

2010-10-19 | E-GEOD-20460 | biostudies-arrayexpress

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Next Generation Sequencing facilitates quantitative analysis of spinal cord tissue to explore the mechanisms of hyperbaric oxygen treatment alleviating the spinal cord inury

Project description:Next Generation Sequencing facilitates quantitative analysis of spinal cord tissue to explore the mechanisms of hyperbaric oxygen treatment alleviating the spinal cord inury

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Project description:Human iPSC-derived thoracic spinal cord organoids were transplanted into spinal cord injury mice, and spinal cord tissue was collected after 7 weeks. The transplantation resulted in functional recovery and neural circuit remodeling in the injured mice.

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Project description:The vascular functions of rat hearts were tested using shotgun proteomics in a model of spinal cord injury.

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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

Next Generation Sequencing facilitates quantitative analysis of spinal cord tissue to explore the mechanisms of hyperbaric oxygen treatment alleviating the spinal cord inury

Project description:Aims: To better understand the potential mechanisms of hyperbaric oxygen (HBO) treatment alleviating spinal cord injury (SCI). Materials and methods: The SCI model was firstly built in mice, which were randomly divided into three groups: Sham (SH), SCI and HBO groups, followed by hind limb motor function evaluation. Then the spinal cord tissue samples were harvested for histological evaluation and genome-wide transcriptional analysis at 1 week after injury. Finally, some oxidative stress and cell death related differently expressed genes were selected to be analyzed followed by the functional analysis. Results: HBO treatment significantly improved the recovery of hind limb motor function and decreased the histology score compared to the SCI group. In the genome-wide transcriptional analysis, a total of 76 common differently expressed gene among the three groups were obtained at 1 week after injury, which were enriched in functional pathway such as ferroptosis, calcium signaling pathway, serotonergic synapse, etc. Trends in expression of the six genes were consistent with transcriptional analysis. Conclusions: Identified differentially expressed genes and related signaling pathways may be associated with HBO treatment alleviating second spinal cord injury. These results contribute to elucidate the mechanism of HBO in the treatment of SCI.

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Project description:To investigate the mechanism of electrical stimulation in the repair of spinal cord injury, we established a rat model of spinal cord injury. Then, we used RNA-SEQ data obtained from ES treatment and 6 different rat models of spinal cord injury for gene expression profile analysis.

2023-07-01 | GSE214291 | GEO

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