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Identification of Highly Conserved Putative Developmental Enhancers Bound by SOX3 in Neural Progenitors Using ChIP-Seq

ABSTRACT: SOX3 is highly expressed in neural progenitor cells (NPC) within the developing mouse cetral nervous system. A ChIP-Seq experiement was performed for SOX3 in NPCs derived from embryonic stem cells. Identification of SOX3 binidng sites from 3 independent ChIP-seq samples in NPCs

ORGANISM(S): Mus musculus

SUBMITTER: Dale McAninch

PROVIDER: E-GEOD-57186 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Identification of highly conserved putative developmental enhancers bound by SOX3 in neural progenitors using ChIP-Seq.

McAninch Dale D Thomas Paul P

PloS one 20141119 11

The transcription factor SOX3 is expressed within most neural progenitor (NP) cells of the vertebrate central nervous system (CNS) and is essential for normal brain development in mice and humans. However, despite the widespread expression of Sox3, CNS defects in null mice are relatively mild due to functional redundancy with the other SOXB1 sub-group members Sox1 and Sox2. To further understand the molecular function of SOX3, we investigated the genome-wide binding profile of endogenous SOX3 in ...[more]

PMID: 25409526

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Identification of Highly Conserved Putative Developmental Enhancers Bound by SOX3 in Neural Progenitors Using ChIP-Seq

Project description:SOX3 is highly expressed in neural progenitor cells (NPC) within the developing mouse cetral nervous system. A ChIP-Seq experiement was performed for SOX3 in NPCs derived from embryonic stem cells.

2014-08-31 | GSE57186 | GEO

Sequentially acting Sox transcription factors in neural lineage development [ChIP-seq]

Project description:We report sequential binding but unique functions of different Sox transcription factors during distinct stages of neural differentiation Examination of genome-wide Sox2, Sox3 and Sox11 transcription factor binding during different stages of neurogenesis.

2011-11-01 | E-GEOD-33059 | biostudies-arrayexpress

Genome wide DNA binding profile of SOX3 in mouse testes

Project description:SOX3 is highly expressed in spermatogonial stem cells within the post natal mouse testes. A ChIP-Seq experiement was performed for SOX3 in postnatal day 7 testes.

2020-11-18 | GSE146706 | GEO

Sequentially acting Sox transcription factors in neural lineage development [microarray]

Project description:We report sequential binding but unique functions of different Sox transcription factors during distinct stages of neural differentiation We used microarray to examine the molecular function of Sox3 in neural progenitor cells. Over-expression of Sox3 under Nestin-promoter in neural progenitor cells. Cells are transgenic for GFP in Sox1 locus and were FACS sorted to obtain pure populations.

2011-11-01 | E-GEOD-33061 | biostudies-arrayexpress

Sequentially acting Sox transcription factors in neural lineage development [RNA-seq]

Project description:We report sequential binding but unique functions of different Sox transcription factors during distinct stages of neural differentiation Loss of function experiment for Sox2/Sox3 in neural progenitor cells and gene expression profile for Sox11 expressing (PSA NCAM sorted) early formed neurons.

2011-11-01 | E-GEOD-33060 | biostudies-arrayexpress

Sequentially acting Sox transcription factors in neural lineage development

Project description:This SuperSeries is composed of the following subset Series: GSE33059: Sequentially acting Sox transcription factors in neural lineage development [ChIP-seq] GSE33060: Sequentially acting Sox transcription factors in neural lineage development [RNA-seq] GSE33061: Sequentially acting Sox transcription factors in neural lineage development [microarray] Refer to individual Series

2011-11-01 | E-GEOD-33024 | biostudies-arrayexpress

FOXO3 shares common targets with ASCL1 genome-wide and inhibits ASCL1-dependent neurogenesis

Project description:FOXO transcription factors are central regulators of longevity from worms to humans. FOXO3 – the FOXO isoform associated with exceptional human longevity – preserves adult neural stem cell pools. Here we identify FOXO3 direct targets genome-wide in primary cultures of adult neural progenitor cells (NPCs). Interestingly, FOXO3-bound sites are enriched for motifs for bHLH transcription factors and FOXO3 shares common targets with the pro-neuronal bHLH transcription factor ASCL1/MASH1 in NPCs. Analysis of the chromatin landscape reveals that FOXO3 and ASCL1 are particularly enriched at the enhancers of genes involved in neurogenic pathways. Intriguingly, FOXO3 inhibits ASCL1-dependent neurogenesis in NPCs and direct neuronal conversion in fibroblasts. FOXO3 also restrains neurogenesis in vivo. Our study identifies a genome-wide interaction between the pro-longevity transcription factor FOXO3 and the cell fate determinant ASCL1, and raises the possibility that FOXO3’s ability to restrain ASCL1-dependent neurogenesis may help preserve the neural stem cell pool. ChIP-seq profiles of two transcription factors (FOXO3 and ASCL1) and three histone marks (H3K4me1, H3K4me3 and H3K27me3) in adult mouse neural progenitor cells.

2013-08-13 | E-GEOD-48336 | biostudies-arrayexpress

ChIP-Seq of Sox2 and Brn2 in ESCs, NPCs, and differentiating ESCs

Project description:We analyzed the genome-wide binding of Sox2 and POU factor partner factors, Oct4 in ESCs (using published datasets PMID:18692474 and GSM307137, GSM307154, GSM307155) and Brn2 in NPCs. We found that Sox2 and Oct4 co-occupied a large subset of promoters and enhancers in ESCs, but that Sox2 and Brn2 co-occupy predominantly enhancers. Further, we overexpressed Brn2 in differentiating ESCs and showed that ectopic Brn2 recruited Sox2 to NPC-specific targets, resulting in skewed differentiation towards the neural lineage. Examination of transcription factor binding in ESCs, NPCs, and differentiating ESCs by ChIP-Seq.

2013-02-20 | E-GEOD-35496 | biostudies-arrayexpress

Chromatin accessibility profiling of developing cerebellar granule neurons identifies novel neuronal enhancers and reveals a role for Zic transcription factors in neuronal maturation

Project description:To identify chromatin mechanisms of neuronal differentiation, we characterized the relationship between chromatin accessibility and gene expression in cerebellar granule neurons (CGNs) of the developing mouse. We used DNase-seq to globally map accessibility of cis-regulatory elements and RNA-seq to profile transcript abundance at key points in postnatal neuronal differentiation in vivo and in culture. We observed thousands of chromatin accessibility changes as CGNs differentiated and determined that many of these regions function as stage-specific neuronal enhancers. Motif discovery within differentially accessible chromatin regions suggested a novel role for the Zic family of transcription factors in CGN maturation, and we confirmed the association of Zic with these elements by ChIP-seq. Knockdown of Zic1 and Zic2 indicated Zic transcription factors are required to coordinate mature neuronal gene expression patterns. These data reveal chromatin dynamics at thousands of gene regulatory elements that facilitate gene expression patterns necessary for neuronal differentiation and function. Biological triplicate DNase-seq and RNA-seq samples from 3 in vivo cerebellum developmental stages (P7, P14, P60) and 3 cultured CGN stages (isolated granule neuron precursors, +3DIV, and +7DIV) obtained. Zic1 and Zic2 were separately knocked down by lentiviral shRNA in cultured CGNs followed by RNA-seq (2 biological replicates per KD and 2 controls). Zic1/2 ChIP-seq was performed with in vivo cerebellum at two developmental stages (P7 and P60) in duplicate with matching input and IgG controls.

2015-02-27 | E-GEOD-60731 | biostudies-arrayexpress

H3K27ac profiling in control and DSS-treated colonic epithelium

Project description:We determined changes in enhancer chromatin that occur during colonic inflammation, found that dynamic chromatin regions are enriched for HNF4A binding motirfs, and then measured HNF4A binidng by ChIP-seq in each condition. Examination of H3K27ac histone modification in normal and DSS-treated colon, examination of HNF4A binding by ChIP-seq in normal and DSS-treated colon epithelium

2014-06-30 | E-GEOD-52426 | biostudies-arrayexpress

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