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GDE3 regulates oligodendrocyte precursor proliferation via release of soluble CNTFRα

ABSTRACT: GDE3 regulates oligodendrocyte precursor proliferation via release of soluble CNTFRα

PROVIDER: PRJNA560200 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR9965310_1.fastq.gz	Fastqsanger.gz
	SRR9965310_2.fastq.gz	Fastqsanger.gz
	SRR9965320_1.fastq.gz	Fastqsanger.gz
	SRR9965320_2.fastq.gz	Fastqsanger.gz
	SRR9965311_1.fastq.gz	Fastqsanger.gz

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GDE3 regulates oligodendrocyte precursor proliferation via release of soluble CNTFRα

Project description:Oligodendrocyte development is tightly controlled by extrinsic signals; however, mechanisms that modulate cellular responses to these factors remain unclear. Six-transmembrane glycerophosphodiester phosphodiesterases (GDEs) are emerging as central regulators of cellular differentiation via their ability to shed glycosylphosphatidylinositol (GPI)-anchored proteins from the cell surface. We show here that GDE3 controls the pace of oligodendrocyte generation by negatively regulating oligodendrocyte precursor cell (OPC) proliferation. GDE3 inhibits OPC proliferation by stimulating ciliary neurotrophic factor (CNTF)-mediated signaling through release of CNTFRα, the ligand-binding component of the CNTF-receptor multiprotein complex, which can function as a soluble factor to activate CNTF signaling. GDE3 releases soluble CNTFRα by GPI-anchor cleavage from the plasma membrane and from extracellular vesicles (EVs) after co-recruitment of CNTFRα in EVs. These studies uncover new physiological roles for GDE3 in gliogenesis and identify GDE3 as a key regulator of CNTF-dependent regulation of OPC proliferation through release of CNTFRα.

2019-09-06 | GSE135819 | GEO

GDE3 regulates oligodendrocyte precursor proliferation via release of soluble CNTFRα.

| S-EPMC6983723 | biostudies-literature

Investigation of Oligodendrocyte Precursor Cell Differentiation by Quantitative Proteomics

Project description:Oligodendrocytes, the myelinating cells of the central nervous system, are essential for correct brain function. They originate from oligodendrocyte precursor cells (OPCs) through a differentiation process which is only incompletely understood and impaired in a variety of demyelinating diseases. Better knowledge of this differentiation holds the promise to develop novel therapies for these disorders. We investigated the differentiation of rat oligodendrocyte precursor cells to oligodendrocytes in vitro. After confirmation of differentiation by immunohistochemical analysis using cell type-specific marker proteins, we conducted a quantitative proteomics study using tandem mass tags (TMT). We investigated four time points of differentiation covering early, intermediate, and late stages. Data analysis was perfomed using Mascot and Maxquant.

2019-06-21 | PXD012544 | Pride

Expression profiles in Chd7 knockdown oligodendrocyte precursor cells

Project description:Oligodendrocytes are generated from oligodendrocyte precursor cells (OPCs). Chd7 is ATP-dependent chromatin-remodeling enzyme. We performed microarray analysis to examine changes in gene expression between control and Chd7 knockdown OPCs. Results provide insight into the function of Chd7 in oligodendrocyte development.

2018-03-01 | GSE95347 | GEO

GDE2-dependent activation of canonical Wnt signaling in neurons regulates oligodendrocyte maturation

Project description:Neurons and oligodendrocytes communicate to regulate oligodendrocyte development and ensure appropriate axonal myelination. Here, we show that Glycerophosphodiester phosphodiesterase 2 (GDE2) encodes a neuronal pathway that promotes oligodendrocyte maturation through the release of soluble neuronally-derived factors. Mice lacking global or neuronal GDE2 expression have reduced mature oligodendrocytes and myelin proteins but retain normal numbers of oligodendrocyte precursor cells (OPCs). WT OPCs cultured in conditioned medium (CM) from Gde2 null (Gde2KO) neurons exhibit delayed maturation, recapitulating in vivo phenotypes. Gde2KO neurons show robust reduction in canonical Wnt signaling and genetic activation of Wnt signaling in Gde2KO neurons rescues in vivo and in vitro oligodendrocyte maturation. Phosphacan, a known stimulant of oligodendrocyte maturation, is reduced in CM from Gde2KO neurons but is restored when Wnt signaling is activated. These studies identify GDE2 control of Wnt signaling as a neuronal pathway that signals to oligodendroglia to promote oligodendrocyte maturation.

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Norepinephrine modulates calcium dynamics in cortical oligodendrocyte precursor cells promoting proliferation during arousal in mice

Project description:Norepinephrine modulates calcium dynamics in cortical oligodendrocyte precursor cells promoting proliferation during arousal in mice

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Transcriptome outcome of oligodendrocyte precursor cells following VCAM1 knockdown

Project description:Transcriptome outcome of rat oligodendrocyte precursor cells, which were knocked down with short-hairpin RNA (shRNA) for vascular cell adhesion molecule 1 (VCAM1)

2016-10-14 | GSE86862 | GEO

Single-cell transcriptomic analysis of human and mouse oligodendrocyte precursor cells

Project description:We report single cell gene expression analysis of human fetal and mouse postnatal oligodendrocyte precursor cells

2023-09-13 | GSE214086 | GEO

Primary cilia control Oligodendrocyte Precursor Cell proliferation in white matter injury via Hedgehog-independent CREB signaling.

Project description:Remyelination after white matter injury (WMI) often fails in diseases such as multiple sclerosis due to improper recruitment and repopulation of oligodendrocyte precursor cells (OPCs) in lesions. How OPCs elicit specific intracellular programs in response to a chemically and mechanically diverse environment to properly regenerate myelin remains unclear. OPCs construct primary cilia, specialized signaling compartments that transduce Hh and GPCR signals. We investigated the role of primary cilia in the OPC response to WMI. Removing cilia from OPCs genetically via deletion of Ift88 results in OPCs failing to repopulate WMI lesions due to reduced proliferation. Interestingly, loss of cilia does not affect Hh signaling in OPCs or their responsiveness to Hh signals, but instead leads to dysfunctional cAMP-dependent CREB-mediated transcription. As inhibition of CREB activity in OPCs reduces proliferation, we propose that a GPCR/cAMP/CREB signaling axis initiated at OPC cilia orchestrates OPC proliferation during development and in response to WMI.

2023-09-29 | GSE243997 | GEO

Primary cilia control Oligodendrocyte Precursor Cell proliferation in white matter injury via Hedgehog-independent CREB signaling.

Project description:Primary cilia control Oligodendrocyte Precursor Cell proliferation in white matter injury via Hedgehog-independent CREB signaling.

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