Browse
Submit Data
Databases
API
Help

Dataset Information

0 Views

0 Connections

0 Citations

0 Reanalyses

0 Downloads

Omics score: 0

Gene expression analysis of human spinal cord astrocyte culture on collagen I/decellularized spinal cord matirx(DSCM) hydrogel [bulk RNA-seq]

ABSTRACT: To further verify the effect of DSCM and COLI on cell fate regulation of ASCs, bulk RNAseq assays were implemented using human spinal cord derived primary astrocytes (hspASCs). We then performed gene expression profiling analysis using data obtained from RNA-seq of hspASC culture on COLI/DSCM hydrogel.

ORGANISM(S): Homo sapiens

PROVIDER: GSE202724 | GEO | 2022/12/31

REPOSITORIES: GEO

ACCESS DATA

Json Xml

Dataset's files

Source:

			Action	DRS
		Other

Items per page:

1 - 1 of 1

Similar Datasets

In vivo analysis of spinal cord astrocyte and non-astrocyte gene expression after traumatic spinal cord injury, with or without intraspinal treatment with hydrogel depot containing FGF+EGF

Project description:Comparison of genomic data from astrocytes and non-astrocyte cells from mice with or without FGF+EGF after SCI. We conducted genome-wide RNA sequencing of (i) immunoprecipitated astrocyte-specific ribosome-associated RNA (ramRNA) and (ii) the non-precipitated (flow-through) RNA deriving from non-astrocyte cells, from spinal cord tissue of mice recieving i) SCI alone, ii) SCI+hydrogel depot containing FGF+EGF, or iii) SCI+empty hydrogel depot.

2018-09-20 | GSE111529 | GEO

Gene expression analysis of human spinal cord astrocyte culture on collagen I/decellularized spinal cord matirx(DSCM) hydrogel [bulk RNA-seq]

Project description:Gene expression analysis of human spinal cord astrocyte culture on collagen I/decellularized spinal cord matirx(DSCM) hydrogel [bulk RNA-seq]

| PRJNA837126 | ENA

The effects of scar resection in chronic complete spinal cord injury(SCI) and the effects of scar resection combined with decellularized hydrogel (scaffold)

Project description:This study examines the molecular effects of surgical scar resection in　complete chronic spinal cord injury (SCI) through RNA sequencing. Results show that scar resection alters gene expression, with downregulation of axonal growth inhibitors and upregulation of neuroprotective genes. Additionally, the application of a decellularized extracellular matrix (dECM) hydrogel as a scaffold promoted angiogenesis. Gene Ontology analysis indicated enrichment of immune-related processes, suggesting that scar resection improves the spinal cord microenvironment for neural repair. These findings indicate the potential of combining scar resection with scaffolding to support recovery after chronic complete SCI.

2024-10-08 | GSE278491 | GEO

Collagen 1 Hydrogel Dynamic Loading Tests

Project description:Cell viability and global gene expression was anayzed from collagen 1 hydrogel scaffolds following 3 hours of cyclic mechanical loading and compared with non-loaded scaffolds. Keywords: human dermal fibroblasts; dynamic cell culture; mechanical stress

2008-01-11 | GSE10125 | GEO

Rationally designed, self-assembly, multifunctional hydrogel depot repairs severe spinal cord injury

Project description:Following severe spinal cord injury (SCI), dysregulated neuroinflammation causes neuronal and glial apoptosis, resulting in scar and cystic cavity formation during wound healing process and ultimately atrophic nerve regrowth inhibitory microenvironment. Because of this complex and dynamic nature of SCI pathophysiology, a systemic solution for scar and cavity free wound healing while remodeling microenvironment for nerve regrowth has been rarely explored. To address this challenge, we provided a one-step solution through a self-assembly, multifunctional hydrogel depot punctually releasing the anti-inflammatory drug methylprednisolone sodium succinate (MPSS) and growth factors locally according to its pathophysiology to repair severe SCI. We found release of growth factors alone could only provide some tissues/axons protection, but failed to eliminate all cystic cavity formation. Sustained release of MPSS is sufficient to modulate dysregulated neuroinflammation and eliminate almost all cystic cavity but unable to alleviate impenetrable scar boundaries, which are largely responsive for nerve regrowth failure. Strikingly, synergically releasing anti-inflammatory drugs MPSS and growth factors in the hydrogel depot along SCI pathophysiology protected spared tissues/axons from secondary injury, promoted scar boundary and cavity free wound healing and made permissive bridges for remarkable axonal regrowth. Behavior and electrophysiology studies indicated that the remnant of spared axons but not regenerating axons mediated functional recovery, strongly suggesting that additional interventions are still required to make the rebuilt neuronal circuits perform functions. Taken together, these findings pave the way to develop a systemic solution to treat acute SCI.

2022-01-01 | GSE165635 | GEO

Adult spinal cord tissue transplantation combined with local tacrolimus sustained-release collagen hydrogel promotes complete spinal cord injury repair.

Project description:The strategy of replacing a completely damaged spinal cord with allogenic adult spinal cord tissues (aSCs) can potentially repair complete spinal cord injury (SCI) in combination with immunosuppressive drugs, such as tacrolimus (Tac), which suppress transplant rejection and improve graft survival. However, daily systemic administration of immunosuppressive agents may cause harsh side effects. Herein, a localized, sustained Tac-release collagen hydrogel (Col/Tac) was developed to maximize the immune regulatory efficacy but minimize the side effects of Tac after aSC transplantation in complete SCI recipients. Thoracic aSCs of rat donors were transplanted into the complete thoracic spinal cord transection rat recipients, after which Col/Tac hydrogel was implanted. The Tac-encapsulated collagen hydrogel exhibited suitable mechanical properties and long-term sustained Tac release behaviour. After Col/Tac hydrogel implantation in SCI rats with aSC transplantation, the recipients' survival rate significantly improved and the side effects on tissues were reduced compared with those with conventional Tac medication. Moreover, treatment with the Col/Tac hydrogel exhibited similarly reduced immune rejection levels by regulating immune responses and promoted neurogenesis compared to daily Tac injections, and thus improved functional restoration. Localized delivery of immunosuppressive agents by the Col/Tac hydrogel may be a promising strategy for overcoming immune rejection of transplants, with significant potential for clinical application in the future.

| S-EPMC10212717 | biostudies-literature

RNA-Seq of human spinal cord organoids generated in Matrigel and alginate

Project description:This experiment compares the transcriptome profile of human spinal cord organoids generated from iPSCs in Matrigel, 1% alginate hydrogel, or 2% alginate hydrogel. Spinal cord organoids were generated from human iPSCs and then encapsulated in the respective hydrogels before further maturation. Organoids were harvested on days 30, 60, and 90 for each group. In addition to the differences between hydrogel groups, neuronal and glial markers at each time point were also assessed for the development of the organoids.

2022-12-26 | E-MTAB-12270 | biostudies-arrayexpress

Hydrogel scaffolds promote neural gene expression and structural reorganization in human astrocyte cultures

Project description:Biomaterial scaffolds have the potential to enhance neuronal development and regeneration. Understanding the genetic responses of astrocytes and neurons to biomaterials could facilitate the development of synthetic environments that enable the specification of neural tissue organization with engineered scaffolds. In this study, we used high throughput transcriptomic and imaging methods to determine the impact of a hydrogel with no known bioactive epitopes, Puramatrix™, on human glial cells in vitro. Parallel studies were undertaken with cells grown in a monolayer environment on tissue culture polystyrene. When the Normal Human Astrocyte (NHA) cell line is grown in a hydrogel matrix environment, the glial cells adopt a structural organization that resembles that of neuronal-glial cocultures, where neurons form clusters that are distinct from the surrounding glia. Statistical analysis of next generation RNA sequencing data uncovered a set of genes that are differentially expressed in the monolayer and matrix hydrogel environments. Functional analysis demonstrated that hydrogel-upregulated genes can be grouped into three broad categories: neuronal differentiation and/or neural plasticity, response to neural insult, and sensory perception. Our results demonstrate that hydrogel biomaterials have the potential to transform human glial cell identity, and may have applications in the repair of damaged brain tissue

2016-12-12 | GSE81995 | GEO

Suspended hydrogel culture as a method to scale up intestinal organoids

Project description:Primary tissue-derived epithelial organoids are a physiologically relevant in vitro intestinal model that have been implemented for both basic research and drug development applications. The existing method of culturing intestinal organoids in surface-attached native extracellular matrix (ECM) hydrogel domes is not readily amenable to large-scale culture and contributes to culture heterogeneity. We have developed a method of culturing intestinal organoids within suspended basement membrane extract (BME) hydrogels of various geometries, which streamlines the protocol, increases the scalability, enables kinetic sampling, and improves culture uniformity without specialized equipment or additional expertise. We demonstrate the compatibility of this method with multiple culture formats, and provide examples of suspended BME hydrogel organoids in downstream applications: implementation in a medium-throughput drug screen and generation of Transwell monolayers for barrier evaluation. The suspended BME hydrogel culture method will allow intestinal organoids, and potentially other organoid types, to be used more widely and at higher throughputs than previously possible.

2023-09-11 | GSE226539 | GEO

Rationally designed, self-assembly, multifunctional hydrogel depot repairs severe spinal cord injury

Project description:Rationally designed, self-assembly, multifunctional hydrogel depot repairs severe spinal cord injury

| PRJNA695250 | ENA