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Metabolomics,Unknown,Transcriptomics,Genomics,Proteomics

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Expression data from embryonic stem cells differentiation

ABSTRACT: Pluripotency-associated transcription factor Foxd3 is required for maintaining pluripotent cells. However, the molecular mechanisms underlying its function are largely unknown. Here, we report that Foxd3 maintains the ESC identity through counteracting differentiation induction of Calcienurin-NFAT signaling. We used microarrays to detail the global programme of gene expression underlying overexpression of Foxd3 and NFATc3 in ESCs or deletion of Foxd3 in ESCs Total RNA was extracted from the mESCs under the following conditions:1) a control group transfected with an empty vector; a Foxd3 overexpression group; a NFATc3 overexpression group and a combination group with Foxd3 and NFATc3 overexpression 2) Foxd3fl/fl:Cre-ERT cells treated with Tamoxifen for 0 day and 2 days.

ORGANISM(S): Mus musculus

SUBMITTER: Shiyue Zhang

PROVIDER: E-GEOD-58960 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Foxd3 suppresses NFAT-mediated differentiation to maintain self-renewal of embryonic stem cells.

Zhu Lili L Zhang Shiyue S Jin Ying Y

EMBO reports 20141106 12

Pluripotency-associated transcription factor Foxd3 is required for maintaining pluripotent cells. However, molecular mechanisms underlying its function are largely unknown. Here, we report that Foxd3 suppresses differentiation induced by calcineurin-NFAT signaling to maintain the ESC identity. Mechanistically, Foxd3 interacts with NFAT proteins and recruits co-repressor Tle4, a member of the Tle repressor family highly expressed in undifferentiated ESCs, to suppress NFATc3's transcriptional acti ...[more]

PMID: 25378483

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Expression data from embryonic stem cells differentiation

Project description:Pluripotency-associated transcription factor Foxd3 is required for maintaining pluripotent cells. However, the molecular mechanisms underlying its function are largely unknown. Here, we report that Foxd3 maintains the ESC identity through counteracting differentiation induction of Calcienurin-NFAT signaling. We used microarrays to detail the global programme of gene expression underlying overexpression of Foxd3 and NFATc3 in ESCs or deletion of Foxd3 in ESCs

2014-08-18 | GSE58960 | GEO

MS-based quantitative proteomic analysis of embryonic stem cells with normal and reduced expression of Rsl24d1.

Project description:Embryonic stem cell (ESC) fate decisions are regulated by a complex molecular circuitry that requires tight and coordinated gene expression regulations at multiple levels from chromatin organization to mRNA processing. Recently, ribosome biogenesis and translation have emerged as key pathways that efficiently control stem cell homeostasis. However, the molecular mechanisms underlying the regulation of these pathways remain largely unknown to date. Here, we analyzed the expression, in mouse ESCs, of over 300 genes involved in ribosome biogenesis and we identified RSL24D1 as the most differentially expressed between self-renewing and differentiated ESCs. RSL24D1 is highly expressed in multiple mouse pluripotent stem cell models and its expression profile is conserved in human ESCs. RSL24D1 is associated with nuclear pre-ribosomes and is required for the maturation and the synthesis of 60S subunits in mouse ESCs. Interestingly, RSL24D1 depletion significantly impairs global translation, particularly of key pluripotency factors, including POU5F1 and NANOG, as well as components of the polycomb repressive complex 2 (PRC2). Consistently, RSL24D1 is required for mouse ESC self-renewal and proliferation. Taken together, we show that RSL24D1-dependant ribosome biogenesis is required to both sustain the expression of pluripotent transcriptional programs and silence developmental programs, which concertedly dictate ESC homeostasis.

2023-01-10 | PXD030497 | Pride

Foxd3 binding at enhancers controls developmental timing of gene expression by regulation of histone acetylation [ChIP-seq]

Project description:Transcription factor/enhancer interactions determine cell specific gene expression. Here, we followed enhancers during differentiations of embryonic stem (ESCs) to epiblast like cells (EpiLCs). There were highly dynamic changes in histone lysine 27 acetylation at enhancer sites throughout the genome. These sites were enriched for a Foxd3 binding motif, a forkhead transcription factor essential in early embryonic development. Surprisingly, Foxd3 occupied largely mutually exclusive sites in the ESCs versus EpiLCs. Foxd3 bound to nucleosome occupied regions, simultaneously evicting the histones while inhibiting full gene expression through the recruitment of histone deacetylases. Knockout of Foxd3 resulted in hyperacetylation and transcriptional upregulation of neighboring genes, many of which were further upregulated at later stages of differentiation. These data show that Foxd3 primes enhancer sites during pregastrulation by removing nucleosomes, yet suppresses neighboring histone hyperacetylation. Such a mechanism may be common to many transcription factors that prepare enhancers for later gene activation during development. ChIP-seq of H3K4me1, H3K27ac, H3K27me3, p300, H3K4me3, RNA Pol2 and Oct4 in four pluripotent states: embryonic stem cells (ESCs) day 1 ESC differentiation, Epi-like stem cells (EpiLCs), and epiblast stem cells (EpiSCs); ChIP-seq of 3XFlag tagged Foxd3 in ESCs and EpiLCs; ChIP-seq of H3K4me1, H3K27ac, H3K27me3, p300 and H3K4me3 in Foxd3 conditional knockout cells (tamoxifen-inducible) -/+ 36h Tamoxifen treatemnt. ChIP seq of Flag-Foxd3 (third replicate), ChIP-seq of HDAC1 and Brg1 in WT and Foxd3 KO cells and MNase-ChIP-seq of H3K4me1

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2015-12-08 | E-GEOD-58317 | biostudies-arrayexpress

Quantitative subcellular proteomics using SILAC reveals enhanced metabolic buffering in ground state pluripotency

Project description:The ground state of pluripotency is defined as a minimal unrestricted state as present in the Inner Cell Mass (ICM). Mouse embryonic stem cells (ESCs) grown in a defined serum-free medium with two kinase inhibitors (‘2i’) reflect this state, whereas ESCs grown in the presence of serum (‘serum’) share more similarities with post implantation epiblast cells. Pluripotency results from an intricate interplay between cytoplasmic, nuclear and chromatin-associated proteins. Therefore, quantitative information on the (sub)cellular proteome is essential to gain insight in the molecular mechanisms driving different pluripotent states. Here, we describe a full SILAC workflow and quality controls for proteomic comparison of 2i and serum ESCs. We demonstrate that this workflow is applicable for subcellular proteomics of the cytoplasm, nuclear and chromatin. The obtained quantitative information revealed increased levels of naïve pluripotency factors on the chromatin of 2i ESCs. Further, we demonstrate that these pluripotent states are supported by distinct metabolic programs, which include upregulation of free radical buffering by the glutathione pathway in 2i ESCs. Through induction of intracellular radicals, we show that the altered metabolic environment renders 2i ESCs less sensitive to oxidative stress. Altogether, this work provides novel insights into the proteome landscape underlying ground state pluripotency.

2018-11-07 | PXD009217 | Pride

Temporal RNA-seq expression profiling of Sox17-medaited XEN conversion of ESCs

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