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Metabolomics,Unknown,Transcriptomics,Genomics,Proteomics

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Zfp281 Coordinates Opposite Functions of Tet1 and Tet2 for Alternative Pluripotent States [RNA-Seq]

ABSTRACT: Pluripotent cell identity comprises a spectrum of cell states including naive and primed states, which are typified by mouse embryonic stem cells (ESCs) and epiblast-derived stem cells (EpiSCs), respectively. Here we define a pluripotent cell fate (PCF) gene signature based on RNA-seq analysis associated with naive and primed pluripotency acquisition, and identify Zfp281 as a key transcriptional regulator for primed pluripotency and also as a barrier to achieve the naive pluripotency of both mouse and human ESCs. RNA sequencing analysis was performed in WT and Zfp281 null mouse embryonic stem cells under different pluripotent culture conditions. RNA-seq Experiments were carry out in two biological replciates. Genome binding/occupancy profiling of Zfp281 was performed in mouse embryonic stem cells by ChIP sequencing.

ORGANISM(S): Mus musculus

SUBMITTER: Jianlong Wang

PROVIDER: E-GEOD-81044 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Zfp281 Coordinates Opposing Functions of Tet1 and Tet2 in Pluripotent States.

Fidalgo Miguel M Huang Xin X Guallar Diana D Sanchez-Priego Carlos C Valdes Victor Julian VJ Saunders Arven A Ding Junjun J Wu Wen-Shu WS Clavel Carlos C Wang Jianlong J

Cell stem cell 20160623 3

Pluripotency is increasingly recognized as a spectrum of cell states defined by their growth conditions. Although naive and primed pluripotency states have been characterized molecularly, our understanding of events regulating state acquisition is wanting. Here, we performed comparative RNA sequencing of mouse embryonic stem cells (ESCs) and defined a pluripotent cell fate (PCF) gene signature associated with acquisition of naive and primed pluripotency. We identify Zfp281 as a key transcription ...[more]

PMID: 27345836

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Zfp281 Coordinates Opposite Functions of Tet1 and Tet2 for Alternative Pluripotent States [ChIP-Seq]

Project description:Pluripotent cell identity comprises a spectrum of cell states including naive and primed states, which are typified by mouse embryonic stem cells (ESCs) and epiblast-derived stem cells (EpiSCs), respectively. Here we define a pluripotent cell fate (PCF) gene signature based on RNA-seq analysis associated with naive and primed pluripotency acquisition, and identify Zfp281 as a key transcriptional regulator for primed pluripotency and also as a barrier to achieve the naive pluripotency of both mouse and human ESCs. RNA sequencing analysis was performed in WT and Zfp281 null mouse embryonic stem cells under different pluripotent culture conditions. RNA-seq Experiments were carry out in two biological replciates. Genome binding/occupancy profiling of Zfp281 was performed in mouse embryonic stem cells by ChIP sequencing.

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Zfp281 Coordinates Opposite Functions of Tet1 and Tet2 for Alternative Pluripotent States [RNA-Seq]

2016-06-28 | GSE81044 | GEO

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Foxd3 promotes the exit from naïve pluripotency and prevents germline specification through enhancer decommissioning [RNA-Seq]

Project description:Following implantation, mouse epiblast cells transit from a naïve to a primed state in which they are competent for both somatic and primordial germ cell (PGC) specification. Using mouse embryonic stem cells (mESC) as an in vitro model to study the transcriptional regulatory principles orchestrating peri-implantation development, here we show that the transcription factor Foxd3 is necessary for the exit from naïve pluripotency and the progression to a primed pluripotent state. During this transition, Foxd3 acts as a repressor that dismantles a significant fraction of the naïve pluripotency expression program through the decommissioning of active enhancers associated with key naïve pluripotency and early germline genes. Subsequently, Foxd3 needs to be silenced in primed pluripotent cells to allow the reactivation of relevant genes required for proper PGC specification. Our findings uncover a wave of activation-deactivation of Foxd3 as a crucial step for the exit from naïve pluripotency and subsequent PGC specification. mRNA profiles were generated by RNA-seq in duplicates for each of the following mESC lines: Foxd3fl/fl;Cre-ER mESC maintained in "Serum+LIF" (SL) treated with TM for three days (SL Foxd3-/-); untreated Foxd3fl/fl;Cre-ER SL mESC (SL Foxd3fl/fl); tetON Foxd3 SL mESC treated with Dox for three days; WT SL mESC treated with Dox for three days; Foxd3fl/fl;Cre-ER mESC maintained in "2i+LIF" (2i) treated with TM for three days (2i Foxd3-/-); untreated Foxd3fl/fl;Cre-ER 2i mESC (2i Foxd3fl/fl).

2015-09-14 | E-GEOD-70546 | biostudies-arrayexpress

Epigenomic comparison of distinct pluripotent stem cell states reveals a new class of enhancers with roles throughout mammalian development (RNA-seq)

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In vitro capture and characterization of embryonic rosette-stage pluripotency between naive and primed states (I, bulk RNA-Seq data)

Project description:Naive pluripotent cells in the implanting mouse blastocyst generate a rosette structure before undergoing lumenogenesis to form the egg cylinder. Simultaneously, they acquire primed pluripotency, the ability to differentiate into the primary germ layers. The existence of discrete intermediate pluripotent states during this transition has not been demonstrated. We identify here a distinct rosette pluripotent state, defined by co-expression of naive factors with transcription factor OTX2. Downregulation of WNT signals in the blastocyst drives transition into rosette pluripotency by inducing OTX2. The rosette then activates MEK signals that induce lumenogenesis and drive progression to primed pluripotency. Consequently, combined WNT and MEK inhibition supports rosette-like stem cells (RSCs), a self-renewing naive-primed intermediate. RSCs gain a unique epigenome that includes erasure of constitutive heterochromatin and bivalent marking of primed pluripotency genes. Notwithstanding this primed chromatin landscape, WNT induces reversion to naive pluripotency. The rosette is therefore a reversible pluripotent intermediate where control over pluripotency progression and morphogenesis pivots from WNT to MEK signals.

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