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Gene expression signatures of SATB2-defficient vs wild-type adult neocortex

ABSTRACT: Gene expression signatures of SATB2-defficient vs wild-type adult neocortex

PROVIDER: PRJNA510437 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR8334080.fastq.gz	Fastqsanger.gz
	SRR8334081.fastq.gz	Fastqsanger.gz
	SRR8334082.fastq.gz	Fastqsanger.gz
	SRR8334083.fastq.gz	Fastqsanger.gz
	SRR8334074.fastq.gz	Fastqsanger.gz

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Gene expression signatures of SATB2-defficient vs wild-type adult neocortex

Project description:During CNS development, the nuclear protein SATB2 is expressed in superficial cortical layers and determines projection neuron identity. In the adult CNS, SATB2 is expressed in pyramidal neurons of all cortical layers and is a regulator of synaptic plasticity and long-term memory. Common variation in SATB2 locus confers risk of schizophrenia whereas rare, de novo structural and single nucleotide variants cause severe intellectual disability and absent or limited speech. To which extent symptoms in SATB2-related human pathologies depend on developmental or adult functions of the protein remains to be established. To characterize differences in SATB2 molecular function in developing vs adult neocortex, we compared SATB2 protein interactomes and SATB2-driven gene expression programs at the two ontogenetic stages by co-IP mass spectrometry and RNAseq analyses, respectively. Our results demonstrated that 1) SATB2 interacts with different protein networks at the two ontogenetic stages, with a switch from transcriptional repression towards organization of chromatin structure and 2) SATB2 determines differential transcriptional programs in neonatal vs adult cortex.

2019-02-19 | GSE123992 | GEO

ChIP-seq for Satb2 in E15 cortex

Project description:The goal of the study was to identify the binding site of SATB2 in wild-ype cortex by performing ChIP-seq using SATB2 antibody. E15 cortical tissues were dissected, lysed and fixed. Chromatin was prepared by sonication. Sequences bound by SATB2 protein was precipitated using a SATB2 antibody. Sequencing was performed on Illumina Genome Analyzer II. SATB2 binding peaks were called using MACS. ChIP for Satb2, followed by sequencing on Illumina Genome Analyzer II platform

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Role of Satb1 and Satb2 in embryonic stem cells

Project description:Satb1 and Satb2 are regulators of higher order chromatin in T cells and osteoblasts repectively. We were interested if Satb1 and Satb2 play a role in the regulation of gene expression in ES cells. This SuperSeries is composed of the following subset Series: GSE17487: Expression data in WT and Satb1-/- ES cells GSE17488: Expression data in WT and ES cells overexpressing Satb1 GSE17489: Expression data in WT and ES cells overexpressing Satb2 Refer to individual Series

2009-09-01 | E-GEOD-17490 | biostudies-arrayexpress

ChIP-seq for Satb2 in E15 cortex

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The Schizophrenia Risk Gene Product Satb2 Regulates miRNAs Expression and Long-Term Memory in Adult CNS

Project description:(i) The hippocampal transcriptome was analyzed in mice that lack the SatB2 gene (ii) Satb2 binds to active promoters of protein-coding and non-coding loci and determines the levels of a large cohort of miRNAs in the CA1 hippocampal field that are implicated in synaptic plasticity and/or memory formation.

2016-12-12 | GSE77005 | GEO

Single-cell genomics of the mouse olfactory cortex reveals contrasts with neocortex and ancestral signatures of cell type evolution

Project description:Understanding the molecular logic of cortical cell-type diversity can illuminate cortical circuit function and evolution. Here, we performed single-nucleus transcriptome and chromatin accessibility analyses to compare neurons across three- to six-layered cortical areas of adult mice and across tetrapod species. We found that, in contrast to the six-layered neocortex, glutamatergic neurons of the three-layered mouse olfactory (piriform) cortex displayed continuous rather than discrete variation in transcriptomic profiles. Subsets of piriform and neocortical glutamatergic cells with conserved transcriptomic profiles were distinguished by distinct, area-specific epigenetic states. Furthermore, we identified a prominent population of immature neurons in piriform cortex and observed that, in contrast to the neocortex, piriform cortex exhibited divergence between glutamatergic cells in lab versus wild-derived mice. Finally, we showed that piriform neurons displayed greater transcriptomic similarity to cortical neurons of turtles, lizards, and salamanders than to those of the neocortex. In summary, despite over 200 million years of co-evolution alongside the neocortex, olfactory cortex neurons retain molecular signatures of ancestral cortical identity.

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Expression data in WT and ES cells overexpressing Satb2

Project description:Satb1 and Satb2 are regulators of higher order chromatin in T cells and osteoblasts repectively. We were interested if Satb1 and Satb2 play a role in the regulation of gene expression in ES cells. ES cells which can inducibly express Satb1 or Satb2 were generated using the tet-ON system. In this experiment, we compared gene expression in uninduced cells to that in cells which had been induced for 24h to express Satb2 ectopcially at very high levels.

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