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RNA-seq of WT, Tet1-/-, Tet2-/-, Tet1-/-:Tet2-/- (DKO), and Tet1-/-:Tet2-/-:Tet3-/- (TKO) murine embryonic stem cells following six days of LIF withdrawal.

ABSTRACT: The goal of this study was to identify transcriptional differences between varying combinations of Tet deletion clones following six days of LIF withdrawal. These libraries were generated from cells under normal culture conditions.

ORGANISM(S): Mus musculus

PROVIDER: GSE119443 | GEO | 2019/06/26

REPOSITORIES: GEO

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RNA-seq of WT, Tet1-/-, Tet2-/-, Tet1-/-:Tet2-/- (DKO), and Tet1-/-:Tet2-/-:Tet3-/- (TKO) murine embryonic stem cells following six days of LIF withdrawal.

Project description:RNA-seq of WT, Tet1-/-, Tet2-/-, Tet1-/-:Tet2-/- (DKO), and Tet1-/-:Tet2-/-:Tet3-/- (TKO) murine embryonic stem cells following six days of LIF withdrawal.

| PRJNA489688 | ENA

Reduced representation bisulfite sequencing (RRBS) of WT, Tet1-/-, Tet2-/-, Tet1-/-:Tet2-/- (DKO), and Tet1-/-:Tet2-/-:Tet3-/- (TKO) murine embryonic stem under normal culture conditions.

Project description:RRBS was used to investigate the methylation status of CpG dinucleotides in different Tet knockouts.

2019-06-26 | GSE122813 | GEO

LIF signaling-dependent gene expression

Project description:Leukemia Inhibitory Factor (LIF) plays an essential role in the maintenance of pluripotency of mouse embryonic stem cells (mESCs). LIF withdrawal induces mESC differentiation. To define noval pluripotent factors downstream of LIF signaling, cDNA microarray was used and seveal well-known pluripotent genes were found to respond to LIF withdrawal, including Klf4, Esrrb, Tbx3, and Prdm14.

2015-06-23 | GSE70104 | GEO

LIF signaling-dependent gene expression

2015-06-23 | E-GEOD-70104 | biostudies-arrayexpress

CEA_SGF:E00005#LIF

Project description:In order to identify the genes involved in LIF/gp130 self-renewal response, we analyzed the transcriptome of Gs2 ES cells induced to differentiate upon LIF withdrawal for 16h, 24h and 48h (LIF16, LIF24 and LIF48 respectively)and compared them to that of undifferentiated ES Gs2 cells continuously maintained in the presence of LIF. Since this cell line also carry a tetracycline regulatable dominant negative form of Stat3 (Stat3F, all the experiment was done in the presence of Tetracycline (tet ON) to avoid Stat3F expression. Keywords: time-course

2004-07-01 | GSE1150 | GEO

Endogenous epitope-tagging of Tet1, Tet2 and Tet3 identifies TET2 as a naive pluripotency marker.

Project description:Tet1, Tet2, and Tet3 encode DNA demethylases that play critical roles during stem cell differentiation and reprogramming to pluripotency. Although all three genes are transcribed in pluripotent cells, little is known about the expression of the corresponding proteins. Here, we tagged all the endogenous Tet family alleles using CRISPR/Cas9, and characterised TET protein expression in distinct pluripotent cell culture conditions. Whereas TET1 is abundantly expressed in both naïve and primed pluripotent cells, TET2 expression is restricted to the naïve state. Moreover, TET2 is expressed heterogeneously in embryonic stem cells (ESCs) cultured in serum/leukemia inhibitory factor, with expression correlating with naïve pluripotency markers. FACS-sorting of ESCs carrying a Tet2 Flag-IRES-EGFP reporter demonstrated that TET2-negative cells have lost the ability to form undifferentiated ESC colonies. We further show that TET2 binds to the transcription factor NANOG. We hypothesize that TET2 and NANOG co-localise on chromatin to regulate enhancers associated with naïve pluripotency genes.

| S-EPMC6776666 | biostudies-literature

CEA_SGF:E00005#LIF

2004-07-01 | E-GEOD-1150 | biostudies-arrayexpress

Acute depletion of Tet1-dependent 5-hydroxymethylcytosine levels impairs LIF/Stat3 signaling and results in loss of embryonic stem cell identity [expression profiling]

Project description:The TET family of FE(II) and 2-oxoglutarate-dependent enzymes (Tet1/2/3) promote DNA demethylation by converting 5-methylcytosine to 5-hydroxymethylcytosine (5hmC), which they further oxidize into 5-formylcytosine and 5-carboxylcytosine. Tet1 is robustly expressed in mouse embryonic stem cells (mESCs) and has been implicated in mESC maintenance. Here we demonstrate that, unlike genetic deletion, RNAi-mediated depletion of Tet1 in mESCs led to a significant reduction in 5hmC and loss of mESC identity. The differentiation phenotype due to Tet1 depletion positively correlated with the extent of 5hmC loss. Meta-analyses of genomic datasets suggested interaction between Tet1 and leukemia inhibitory factor (LIF) signaling. LIF signaling is known to promote self-renewal and pluripo-tency in mESCs partly by opposing MAPK/ERK mediated differentiation. Withdrawal of LIF leads to differentiation of mESCs. We discovered that Tet1 depletion impaired LIF-dependent Stat3-mediated gene activation by affecting Stat3's ability to bind to its target sites on chromatin. Nanog overexpression or inhibition of MAPK/ERK signaling, both known to maintain mESCs in the absence of LIF, rescued Tet1 depletion, further supporting the dependence of LIF/Stat3 signaling on Tet1. These data support the conclusion that analysis of mESCs in the hours/days immediately following efficient Tet1 depletion reveals Tet1’s normal physiological role in maintaining the pluripotent state that may be subject to homeostatic compensation in genetic models.

2012-01-06 | GSE34886 | GEO

Acute depletion of Tet1-dependent 5-hydroxymethylcytosine levels impairs LIF/Stat3 signaling and results in loss of embryonic stem cell identity [MRE-seq]

2012-01-06 | GSE34887 | GEO

Reduced representation bisulfite sequencing (RRBS) of WT, Tet1-/-, Tet2-/-, Tet1-/-:Tet2-/- (DKO), and Tet1-/-:Tet2-/-:Tet3-/- (TKO) murine embryonic stem under normal culture conditions.

Project description:Reduced representation bisulfite sequencing (RRBS) of WT, Tet1-/-, Tet2-/-, Tet1-/-:Tet2-/- (DKO), and Tet1-/-:Tet2-/-:Tet3-/- (TKO) murine embryonic stem under normal culture conditions.

| PRJNA506424 | ENA

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