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Conditional knockout of Sox2 in embryonic and trophoblast stem cells.

ABSTRACT: To compare the transcriptional networks governed by Sox2 in embryonic stem (ES) cells and trophoblast stem (TS) cells, we performed whole-genome expression analysis after tetracycline (Tet)-induced knockout of Sox2 in each cell type.

ORGANISM(S): Mus musculus

PROVIDER: GSE28451 | GEO | 2013/10/17

SECONDARY ACCESSION(S): PRJNA143237

REPOSITORIES: GEO

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Conditional knockout of Sox2 in embryonic and trophoblast stem cells.

Project description:To compare the transcriptional networks governed by Sox2 in embryonic stem (ES) cells and trophoblast stem (TS) cells, we performed whole-genome expression analysis after tetracycline (Tet)-induced knockout of Sox2 in each cell type. A Tet-inducible Sox2 knockout ES cell line 2TS22C or its derivative TSC line 22CEROH2-TSC1 were treated with Tet for 4 days. A total of 12 samples from ES or TS cells cultured with or without Tet were analyzed in three biological replicates.

2013-10-17 | E-GEOD-28451 | biostudies-arrayexpress

Dynamics of Sox2 occupancy during the differentiation of embryonic stem cells into trophoblast stem cells.

Project description:To understand the mechanism underlying the versatility in transcriptional regulation by Sox2, we compared genome-wide binding sites of Sox2 in embryonic stem (ES) cells and trophoblast stem (TS) cells by chromatin immunoprecipitation followed by high-throughput sequencing (ChIP-seq). A tetracycline-inducible Oct3/4 knockout ES cell line ZHBTc4 was treated with Tet for 4 days in the presence of FGF4 and mouse embryonic fibroblasts (MEFs).

2013-10-17 | E-GEOD-28453 | biostudies-arrayexpress

Induction of trophoblast stem cells from embryonic stem cells by forced repression of Oct3/4.

2013-10-17 | GSE28452 | GEO

ChIP-seq anlysis of Sox2, Tfap2c, and Cdx2 in trophoblast stem cells.

Project description:To understand the mechanism underlying the transcriptional regulation by Sox2, we analyzed genome-wide binding sites of Sox2, Tfap2c, and Cdx2 in trophoblast stem (TS) cells by chromatin immunoprecipitation followed by high-throughput sequencing (ChIP-seq). ZHBTc4- and embryo-derived TS cell lines were maintained in the presence of FGF4 and mouse embryonic fibroblasts (MEFs).

2014-01-03 | E-GEOD-51511 | biostudies-arrayexpress

Sox2-regulatory networks in embryonic and trophoblast stem cells.

Project description:Sox2 is a pleiotropic transcription factor that regulates self-renewal and differentiation capacity in different types of stem cells, raising the possibility that it regulates similar transcriptional programs controlling common stemness. Embryonic stem (ES) cells and trophoblast stem (TS) cells are two developmentally related types of stem cells, which originate from distinct lineages of peri-implantation embryos. We have found that Sox2 is a critical regulator of self-renewal in both of two stem cells. Genome-wide analysis of Sox2 target genes using Affymetrix Exon Arrays and chromatin immunoprecipitation followed by high-throughput sequencing (ChIP-seq) unraveled that it regulates distinct transcriptional networks in ES and TS cells. This SuperSeries is composed of the SubSeries listed below. Refer to individual Series

2013-10-17 | E-GEOD-28455 | biostudies-arrayexpress

ChIP-seq anlysis of Sox2, Tfap2c, and Cdx2 in trophoblast stem cells.

2014-01-03 | GSE51511 | GEO

Sox2-regulatory networks in embryonic and trophoblast stem cells

2013-10-17 | GSE28455 | GEO

Induction of trophoblast stem cells from embryonic stem cells by forced repression of Oct3/4.

Project description:To characterize the transdifferentiation of embryonic stem (ES) cells into trophoblast stem (TS) cells triggered by forced repression of Oct3/4, we performed whole-genome expression analysis after tetracycline (Tet)-induced knockout of Oct3/4. A Tet-inducible Oct3/4 knockout ES cell line ZHBTc4 was treated with Tet for 4 days in the presence of FGF4 and mouse embryonic fibroblasts (MEFs). A total of 15 samples from Day 0 to Day 4 were analyzed in three biological replicates.

2013-10-17 | E-GEOD-28452 | biostudies-arrayexpress

Dynamics of Sox2 and Esrrb occupancy during the differentiation of embryonic stem cells into trophoblast stem cells.

Project description:To understand the mechanism underlying the versatility in transcriptional regulation by Sox2 and Esrrb, we compared genome-wide binding sites of Sox2 and Esrrb in embryonic stem (ES) cells and trophoblast stem (TS) cells by chromatin immunoprecipitation followed by high-throughput sequencing (ChIP-seq).

2013-10-17 | GSE28453 | GEO

Establishment of trophoblast stem cells under defined culture conditions in mice

Project description:The inner cell mass (ICM) and trophoblast cell lineages duet early embryonic development in mammals. After implantation, the ICM forms the embryo proper as well as some extraembryonic tissues, whereas the trophoectoderm (TE) exclusively forms the fetal portion of the placenta and the trophoblast giant cells. Although embryonic stem (ES) cells can be derived from ICM in cultures of mouse blastocysts in the presence of LIF and/or combinations of small-molecule chemical compounds, and the undifferentiated pluripotent state can be stably maintained without use of serum and feeder cells, defined culture conditions for derivation and maintenance of undifferentiated trophoblast stem (TS) cells have not been established. Here, we report that addition of FGF2, activin A, XAV939, and Y27632 are necessary and sufficient for derivation of TS cells from both of E3.5 blastocysts and E6.5 early postimplantation extraembryonic ectoderm. Moreover, the undifferentiated TS cell state can be stably maintained in chemically defined culture conditions. Cells derived in this manner expressed TS cell marker genes, including Eomes, Elf5, Cdx2, Klf5, Cdh1, Esrrb, Sox2, and Tcfap2c; differentiated into all trophoblast subtypes (trophoblast giant cells, spongiotrophoblast, and labyrinthine trophoblast) in vitro; and exclusively contributed to trophoblast lineages in chimeric animals. This delineation of minimal requirements for derivation and self-renewal provides a defined platform for precise description and dissection of the molecular state of TS cells.

2014-07-08 | GSE59107 | GEO

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