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

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

PROVIDER: PRJNA940847 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR23699181.fastq.gz	Fastqsanger.gz
	SRR23699182.fastq.gz	Fastqsanger.gz
	SRR23699183.fastq.gz	Fastqsanger.gz
	SRR23699184.fastq.gz	Fastqsanger.gz
	SRR23699185.fastq.gz	Fastqsanger.gz

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

Project description:Oligodendrocyte precusor cells (OPCs) exhibit near membrane calcium transients that can be enhacned by norepinephrine-mediated activation of alpha1A adrenergic receptors in vivo. In order to determine if norepinephrine directly modulates OPC behaviors, we performed an unbiased, transcriptomic-based assessment of biological processes altered in OPCs after activation of alpha1 adrenergic receptors

2023-06-26 | GSE226635 | GEO

Impact of the Voltage-Gated Calcium Channel Antagonist Nimodipinedipine on the Development of Oligodendrocyte Precursor Cells

Project description:We investigated the effects of nimodipine, a L-type voltage-gated calcium channel antagonist, on the expression profile of myelin genes in the oligodendrocyte precursor cell (OPC) line Oli-Neu. We performed gene expression profiling analysis using data obtained from RNA-seq of four biological replicates for treatment and four replicates for control condition.

2023-03-30 | GSE221939 | GEO

A diverse network of pericoerulear neurons control arousal states

Project description:As the primary source of norepinephrine (NE) in the brain, the locus coeruleus (LC) regulates both arousal and stress responses1,2. However, how local neuromodulatory inputs contribute to LC function remains unresolved. Here we identify a network of transcriptionally and functionally diverse GABAergic neurons in the LC dendritic field that integrate distant inputs and modulate modes of LC firing to control arousal. We define peri-LC anatomy using viral tracing and combine single-cell RNA sequencing and spatial transcriptomics to molecularly define both LC and peri-LC cell types. We identify several cell types which underlie peri-LC functional diversity using a series of complementary approaches in behaving mice. Our findings indicate that LC and peri-LC neurons comprise transcriptionally and functionally heterogenous neuronal populations, alongside anatomically segregated features which coordinate specific influences on behavioral arousal and avoidance states. Defining the molecular, cellular and functional diversity in the LC provides a road map for understanding the neurobiological basis of arousal alongside hyperarousal-related neuropsychiatric phenotypes.

2024-03-01 | GSE244659 | GEO

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

Impact of the Voltage-Gated Calcium Channel Antagonist Nimodipinedipine on the Development of Oligodendrocyte Precursor Cells

Project description:Impact of the Voltage-Gated Calcium Channel Antagonist Nimodipinedipine on the Development of Oligodendrocyte Precursor Cells

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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)

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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

Functionally distinct subgroups of Oligodendrocyte precursor cells integrate neural activity and execute myelin formation

Project description:Neuronal activity can regulate the formation of new myelin by controlling division and differentiation of oligodendrocyte precursor cells (OPCs). If activity directly instructs OPCs to differentiate or whether this process underlies a more complex regulation in unclear, because it is not known if OPCs with different functions exist. By following lineage formation of individual OPC clones, single cell RNA sequencing, in vivo calcium imaging and manipulation of neural activity, we show that OPCs in the zebrafish spinal cord can be divided into two functional entities. One subgroup forms elaborate process networks and exhibits a high degree of calcium signalling activity, but infrequently differentiates, despite contact with permissive axons. Instead, these OPCs can divide in an activity and calcium dependent manner to produce another subgroup of OPCs, which readily differentiates and which shows less elaborate, more dynamic processes, and less calcium signaling activity. Our data reveal functional diversity within the OPC population in responding to neural activity and show that activity regulates proliferation of a subset of OPCs that is distinct from the cells that will differentiate, with implications for myelin development, plasticity, and repair.

2020-02-18 | GSE132166 | GEO

Reactive human iPSC astrocytes suppress oligodendrocyte precursor cell differentiation

Project description:Reactive human iPSC astrocytes suppress oligodendrocyte precursor cell differentiation

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