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

ABSTRACT: 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.

ORGANISM(S): Mus musculus

PROVIDER: GSE70546 | GEO | 2015/09/14

SECONDARY ACCESSION(S): PRJNA288983

REPOSITORIES: GEO

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Foxd3 promotes the exit from naïve pluripotency and prevents germline specification through enhancer decommissioning [ChIP-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. Genome-wide binding profiles for Foxd3 were investigated in mouse embryonic stem cells (mESC). A mESC line (FH-Foxd3 mESC line) expressing exogenous Foxd3 tagged with Flag and HA epitope (FH-Foxd3) at nearly endogenous levels was generated. ChIPs were performed against FH-Foxd3 using anti-HA or anti-Flag antibodies.

2015-09-14 | E-GEOD-70545 | biostudies-arrayexpress

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

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

2015-09-14 | GSE70545 | GEO

Foxd3 promotes the exit from naïve pluripotency and prevents germline specification through enhancer decommissioning

Project description:Foxd3 promotes the exit from naïve pluripotency and prevents germline specification through enhancer decommissioning

| PRJNA288980 | ENA

Derivation of formative-like pluripotent stem cells from mammalian embryos [ChIP-Seq]

Project description:Two phases of pluripotency, naïve and primed, have been captured in vitro and studied in details1. A third formative phase was recently proposed to exist between naïve and primed phases2. Formative pluripotency entails permissiveness for direct primordial germ cell (PGC) induction and competence for blastocyst chimeras, and is characterized by transcriptional and epigenetic features intermediate of naïve and primed pluripotency. To date, however, stable pluripotent stem cells (PSCs) harboring formative features haven’t been derived from early mammalian embryos. Here we develop a method which enabled the derivation and culture of stable formative-like embryonic stem cells (ESCs) from mouse blastocysts. Formative-like mouse ESCs share molecular features characteristic of early post-implantation epiblasts and are competent for PGC-like cell induction and blastocyst chimera formation. The same culture also supported the derivation of ESCs and transgene-free induced pluripotent stem cells (iPSCs) from horse blastocysts and fibroblasts, respectively. Horse ESCs/iPSCs transcriptionally resembled mouse formative cells, and could also be directly induced into PGC-like cells. Formative-like horse iPSCs could efficiently chimerize horse, mouse, goat, sheep and pig embryos. Stable formative-like PSCs will be invaluable for studying mammalian pluripotency, and our method may be broadly applicable for the derivation of PGC and chimera competent PSCs from other mammalian species.

2020-11-27 | GSE135990 | GEO

Derivation of formative-like pluripotent stem cells from mammalian embryos [RNA-Seq]

2020-11-27 | GSE135989 | GEO

The ETS Transcription Factor ERF Controls the Exit from the Embryonic Rosette-stage of Pluripotency [RNAseq]

Project description:The naïve epiblast undergoes a transition to a pluripotent primed state during embryo implantation. Interestingly, a distinct intermediate stage during the naïve-to-primed transition has been recently described, the rosette stage. We propose the transcriptional repressor ERF as the MAPK-dependent switch that controls the exit from the rosette-stage of pluripotency. By using inducible ESC to genetically eliminate all RAS proteins, we show that, while differentiated RasKO ESC are reminiscent of the pluripotent rosette-stage, the absence of ERF overcomes the developmental blockage of RAS-deficient cells from this intermediate state. RNAseq data revealed that deletion of ERF restored the overall gene expression profile to a wild-type level in differentiated RasKO ESC. Mechanistically, ERF ensures naïve pluripotency by strengthening naïve pluripotent transcription factor binding and accessibility at specific ESC enhancers. Moreover, ERF regulates negatively the expression of the DNMT3 de novo methylases, which are essential for the extinction of the naïve transcriptional program. Our data revealed an essential role for ERF in the exit from rosette pluripotency as a regulator of the progression to primed pluripotency.

2021-08-06 | GSE162579 | GEO

The ETS Transcription Factor ERF Controls the Exit from the Embryonic Rosette-stage of Pluripotency [RRBS]

2021-08-06 | GSE162580 | GEO

The ETS Transcription Factor ERF Controls the Exit from the Embryonic Rosette-stage of Pluripotency [Cut&Run]

2021-08-06 | GSE162578 | GEO

Tracing the transitions from pluripotency to germ cell fate with CRISPR screening

Project description:Early mammalian development entails a series of cell fate transitions that includes transit through naïve pluripotency to post-implantation epiblast. This can subsequently give rise to primordial germ cells (PGC), the founding population of the germline lineage. To investigate the gene regulatory networks that control these critical cell fate decisions, we developed a compound-reporter system to track cellular identity in a model of PGC specification (PGC-like cells; PGCLC), and coupled it with unbiased genome-wide CRISPR screening. This enabled identification of key genes both for exit from pluripotency and for acquisition of PGC fate, with further characterisation revealing a central role for the transcription regulators Nr5a2 and Zfp296 in germline ontogeny. Abrogation of these genes results in significantly impaired PGCLC development accompanied with widespread activation (Nr5a2-/-) or inhibition (Zfp296-/-) of WNT pathway components. This leads to aberrant upregulation of the somatic programme or failure to appropriately activate germline genes in PGCLC, respectively, and consequently loss of germ cell identity. Overall our study places Zfp296 and Nr5a2 as key components of an expanded PGC gene regulatory network, and outlines a transferable strategy for identifying critical regulators of complex cell fate transitions.

2018-10-01 | GSE117473 | GEO

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