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Zscan10 is dispensable for maintenance of pluripotency in mouse embryonic stem cells

ABSTRACT: Zinc finger and SCAN domain-containing 10 (Zscan10, also known as Zfp206) encodes a transcription factor that has been reported to be involved in the maintenance of pluripotency in mouse embryonic stem (ES) cells. Here we generated inducible knockout ES cells for Zscan10 using the Cre-loxP system and analyzed its function. We succeeded in establishing Zscan10-null ES cells and confirmed their pluripotency by the generation of chimeric embryos. Our results clearly indicate that Zscan10 is dispensable for the ability of self-renewal and differentiation in ES cells.

ORGANISM(S): Mus musculus

PROVIDER: GSE76143 | GEO | 2015/12/20

SECONDARY ACCESSION(S): PRJNA306423

REPOSITORIES: GEO

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Zscan10 is dispensable for maintenance of pluripotency in mouse embryonic stem cells

Project description:Zinc finger and SCAN domain-containing 10 (Zscan10, also known as Zfp206) encodes a transcription factor that has been reported to be involved in the maintenance of pluripotency in mouse embryonic stem (ES) cells. Here we generated inducible knockout ES cells for Zscan10 using the Cre-loxP system and analyzed its function. We succeeded in establishing Zscan10-null ES cells and confirmed their pluripotency by the generation of chimeric embryos. Our results clearly indicate that Zscan10 is dispensable for the ability of self-renewal and differentiation in ES cells. An inducible knockout ES cell line of Zscan10 with the Cre-loxP system was generated and gene expression was measured without Zscan10 deletion or constitutive knocked out cells. Each sample was prepared in triplicate.

2015-12-20 | E-GEOD-76143 | biostudies-arrayexpress

The C-terminal region of Xpc is dispensable for the transcriptional activity of Oct3/4 in mouse embryonic stem cells

Project description:The transcription factor Oct3/4 is essential to maintain pluripotency in mouse embryonic stem (ES) cells. It was reported that the Xpc DNA repair complex is involved in this process. Here we examined the role of Xpc on the transcriptional activation of the target genes by Oct3/4 using the inducible knockout strategy. We found that the removal of the C-terminal region of Xpc, including the interaction sites with Rad23 and Cetn2, showed faint impact on the gene expression profile of ES cells and the functional Xpc-ΔC ES cell lines retained proper gene expression profile as well as pluripotency to contribute chimeric embryos. These data indicated that the C-terminal region of Xpc is dispensable for the transcriptional activity of Oct3/4 in mouse ES cells. An inducible knockout ES cell line of Xpc with the Cre-loxP system was generated and gene expression was measured without Xpc deletion, after 4 days of Xpc deletion or constitutive knocked out cells. Each sample was prepared in triplicate.

2015-06-09 | E-GEOD-69640 | biostudies-arrayexpress

The C-terminal region of Xpc is dispensable for the transcriptional activity of Oct3/4 in mouse embryonic stem cells

2015-06-09 | GSE69640 | GEO

Rex1/Zfp42 is dispensable for pluripotency in mouse ES cells

Project description:We showed the function of Rex1 in mouse ES cells as well as in embryos using the conventional gene targeting strategy. Our results clearly indicated that Rex1 function is dispensable for both the maintenance of pluripotency in ES cells and the development of embryos. However, Rex1-/- ES cells showed the defect to induce a subset of the marker genes of visceral endoderm, when differentiated as embryoid body, as found in EC cells. Conclusion: Rex1 should be regarded just as a marker of pluripotency without functional significance like the activity of alkaline phosphatase. Keywords: genetic modification design,reference design,replicate design

2008-09-13 | GSE12753 | GEO

Nanog is Dispensable for the Generation of Induced Pluripotent Stem Cells

Project description:Cellular reprogramming from somatic cells to induced pluripotent stem cells (iPSCs) can be achieved through forced expression of the transcription factors Oct4, Klf4, Sox2 and c-Myc (OKSM). These factors, in combination with environmental cues, induce a stable intrinsic pluripotency network that confers indefinite self-renewal capacity on iPSCs. In addition to Oct4 and Sox2, the homeodomain-containing transcription factor Nanog is an integral part of the pluripotency network. Although Nanog expression is not required for the maintenance of pluripotent stem cells, it has been reported to be essential for the establishment of both embryonic stem cells (ESCs) from blastocysts and iPSCs from somatic cells. Here we revisit the role of Nanog in direct reprogramming. Surprisingly, we find that Nanog is dispensable for iPSC formation under optimized culture conditions. We further document that Nanog-deficient iPSCs are transcriptionally highly similar to wild-type iPSCs and support the generation of teratomas and chimeric mice. Lastly, we provide evidence that the presence of ascorbic acid in the culture media is critical for overcoming the previously observed reprogramming block of Nanog knockout cells. Comparison of Nanog KO iPSCs to WT pluripotent cells.

2014-01-28 | E-GEOD-53832 | biostudies-arrayexpress

Mus musculus

Project description:Rex1/Zfp42 is dispensable for pluripotency in mouse ES cells

| PRJNA111007 | ENA

Titration of Sall4 by the NuRD complex facilitates neural differentiation of ES cells

Project description:Sall4 is a transcription factor essential for early mammalian development. Though it is reported to play an important role in embryonic stem (ES) cell self-renewal, whether it is an essential pluripotency factor has been disputed. Though Sall4 is known to associate with the Nucleosome Remodeling and Deacetylase (NuRD) complex, the nature of this interaction is unclear as NuRD and Sall4 serve opposing functions in ES cells. Here we use defined culture conditions and single-cell gene expression analyses to show that Sall4 prevents activation of the neural gene expression programme in ES cells but is dispensable for maintaining the pluripotency gene regulatory network. We further show using genome-wide analyses that while Sall4 interacts with NuRD, it neither recruits NuRD to chromatin nor influences transcription via NuRD. Rather we propose a model where, by titrating Sall4 protein, NuRD limits the differentiation-inhibiting activity of Sall4 in ES cells to enable lineage commitment.

2016-08-02 | PXD003614 | Pride

Nanog is Dispensable for the Generation of Induced Pluripotent Stem Cells

2014-01-28 | GSE53832 | GEO

A Nuclear Receptor Coactivator is Essential for Esrrb Activity and the Induction and Maintenance of the ES Cell State

Project description:Orphan nuclear receptor Esrrb is vital in maintaining ES cells and like Oct4, Sox2 and Nanog is essential for self-renewal and pluripotency. Esrrb functions in somatic cells via LBD/AF-2-dependent coactivator recruitment to target genes. Here we show that in ES cells coactivator recruitment is similarly required and identify Ncoa3 as the Esrrb coactivator needed for activation of its target genes. Ncoa3 is essential for self-renewal and the induction of pluripotency in reprogramming, and genome-wide analysis of Ncoa3 binding reveals extensive overlap with Esrrb and pluripotency factors along with marks of active genes. Mechanistically, we show Ncoa3 is specifically required to bridge RNApol2 to Esrrb. We thus identify a new member of the ES pluripotency network and describe Esrrb and Ncoa3 as key factors linking core pluripotency factors to the general transcription machinery.

2012-10-02 | GSE37262 | GEO

De novo DNA methylation by Dnmt3a and Dnmt3b is dispensable for nuclear reprogramming of somatic cells to a pluripotent state

Project description:Induced pluripotent stem cells (iPSCs) are generated from somatic cells by the transduction of defined transcription factors and involves dynamic changes in DNA methylation. While the reprogramming of somatic cells is accompanied by de-methylation of pluripotency genes, the functional importance of de novo DNA methylation has not been clarified. Here, using loss-of-function studies, we generated iPSCs from fibroblasts that were deficient in de novo DNA methylation mediated by Dnmt3a and Dnmt3b. These iPSCs reactivated pluripotency genes, underwent self-renewal and showed restricted developmental potential which was rescued upon re-introduction of Dnmt3a and Dnmt3b. We conclude that de novo DNA methylation by Dnmt3a and Dnmt3b is dispensable for nuclear reprogramming of somatic cells. RNA levels of Dnmt3ab deficient iPSC cell lines were compared to control iPSC cell lines

2011-05-16 | E-GEOD-28629 | biostudies-arrayexpress

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