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V/SVZ (ventricular/subventricular zone) tissue and CP (cortical plate) tissue at E16

ABSTRACT: This SuperSeries is composed of the SubSeries listed below. Refer to individual Series

ORGANISM(S): Mus musculus

SUBMITTER: Itsuki Ajioka

PROVIDER: E-GEOD-37625 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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V/SVZ (ventricular/subventricular zone) tissue and CP (cortical plate) tissue at E16

Project description:This SuperSeries is composed of the SubSeries listed below.

2014-01-01 | GSE37625 | GEO

MBD-Seq of the V/SVZ and the CP at E16

Project description:Cell differentiation and proliferation are mutually exclusive. Although differentiating neurons are recognized as post-mitotic non-dividing cells, some Rb- and Rb family (Rb, p107, and p130)-deficient differentiating neurons proliferate and form tumor. Here, we found that the acute inactivation of all Rb family in differentiating cortical excitatory neurons caused radial migration defect and S-phase progression but not cell division, whereas that in cortical progenitors caused the cell division of the differentiating neurons generated from Rb –/–; p107 –/–; p130 –/– (Rb-TKO) progenitors. Genome-wide DNA methylation analysis revealed that proximal promoters tended to become methylated during differentiation in vivo. DNA demethylation by DNA methyltransferase inhibitor allowed the acutely inactivated Rb-TKO differentiating neurons to undergo G2/M-phase progression. Our finding illustrate that cortical excitatory neurons epigenetically lose their proliferative potency after neurogenesis. 1 sample of the V/SVZ tissue and the CP tissue

2014-01-01 | E-GEOD-37601 | biostudies-arrayexpress

Single-cell RNA sequencing (scRNAseq) data from Ventricular-Subventricular Zone (V-SVZ) and Olfactory Bulb (OB) cells, and Scope-Seq data from Ventricular-Subventricular Zone (V-SVZ)

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Project description:We performed large-scale single cell profiling of V-SVZ cells, following separate dissections of the lateral and septal walls of 8-10 week old male and female mice.

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RNA-sequencing gene expression data from FACS-purified Ventricular-Subventricular Zone (V-SVZ) and cortical cells from hGFAP::GFP mice.

Project description:Quiescent neural stem cells (NSCs) in the adult ventricular-subventricular zone (V-SVZ) undergo activation and divide to generate neurons and glia. Here we show that Platelet-derived Growth Factor Receptor beta (PDGFRβ) is expressed by quiescent and early activated adult V-SVZ NSCs, and maintains their quiescence. We further showed that selective deletion of PDGFRβ in adult V-SVZ NSCs leads to activation of quiescent NSCs. We performed RNA-seq on FACS-sorted V-SVZ quiescent, early activated and late activated NSCs, as well as cortical cells from adult 2-4 month old mice.

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MBD-Seq of the V/SVZ and the CP at E16

2014-01-01 | GSE37601 | GEO

Gene expression profile of the V/SVZ and the CP at E16

2016-01-01 | GSE37576 | GEO

Gene expression profile of the V/SVZ and the CP at E16

Project description:Cell differentiation and proliferation are mutually exclusive. Although differentiating neurons are recognized as post-mitotic non-dividing cells, some Rb- and Rb family (Rb, p107, and p130)-deficient differentiating neurons proliferate and form tumor. Here, we found that the acute inactivation of all Rb family in differentiating cortical excitatory neurons caused radial migration defect and S-phase progression but not cell division, whereas that in cortical progenitors caused the cell division of the differentiating neurons generated from Rb â??/â??; p107 â??/â??; p130 â??/â?? (Rb-TKO) progenitors. Genome-wide DNA methylation analysis revealed that proximal promoters tended to become methylated during differentiation in vivo. DNA demethylation by DNA methyltransferase inhibitor allowed the acutely inactivated Rb-TKO differentiating neurons to undergo G2/M-phase progression. Our finding illustrate that cortical excitatory neurons epigenetically lose their proliferative potency after neurogenesis. 4 samples of the V/SVZ (ventricular/subventricular zone) tissue and 4 samples of the CP (cortical plate) tissue

2016-07-03 | E-GEOD-37576 | biostudies-arrayexpress

Single-cell gene expression data from Ventricular-Subventricular Zone (V-SVZ) cells

Project description:Single-cell gene expression data from Ventricular-Subventricular Zone (V-SVZ) cells

| PRJNA430900 | ENA

Genome-wide location analysis of Dnmt3a-mediated epigenetic regulation in murine postnatal subventricular zone (SVZ) neural stem cells (NSCs) [NimbleGen]

Project description:DNA methylation at proximal promoters facilitates lineage restriction by silencing cell-type specific genes. However, euchromatic DNA methylation frequently occurs in regions outside promoters. The functions of such non-proximal promoter DNA methylation are unclear. Here we show that the de novo DNA methyltransferase Dnmt3a is expressed in postnatal neural stem cells (NSCs) and is required for neurogenesis. Genome-wide analysis of postnatal NSCs indicates that Dnmt3a occupies and methylates intergenic regions and gene bodies flanking proximal promoters of a large cohort of transcriptionally permissive genes, many of which encode regulators of neurogenesis. Surprisingly, Dnmt3a-dependent non-proximal promoter methylation promotes expression of these neurogenic genes by functionally antagonizing Polycomb repression. Thus, non-promoter DNA methylation by Dnmt3a may be utilized for maintaining active chromatin states of genes critical for development. Chromatin extracted from wild-type (WT) or Dnmt3a-null (KO) SVZ NSCs was immunoprecipitated with indicated antibodies and analyzed by NimbleGen 2.1M mouse whole genome tiling microarrays (a 4-array set covering the entired non-repetitive portion of mouse genome). Whole cell extract (WCE) was used as input controls for IP/WCe experiments. For IP/IP experiments, immunoprecipitated DNA from WT and KO NSCs was directly compared on the same microarrays. For identifying Dnmt3a-dependent DNA methylation at a genome-wide scale, a dye-swap design was employed for comparing DNA methylation levels between WT and KO SVZ NSCs.

2010-06-25 | E-GEOD-22475 | biostudies-arrayexpress

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