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TET2 Regulates Mast Cell Differentiation and Proliferation through Catalytic and Non-catalytic Activities.

ABSTRACT: TET2 Regulates Mast Cell Differentiation and Proliferation through Catalytic and Non-catalytic Activities.

PROVIDER: PRJNA311719 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR2097426_1.fastq.gz	Fastqsanger.gz
	SRR2097426_2.fastq.gz	Fastqsanger.gz
	SRR2097427_1.fastq.gz	Fastqsanger.gz
	SRR2097427_2.fastq.gz	Fastqsanger.gz
	SRR2097428_1.fastq.gz	Fastqsanger.gz

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Similar Datasets

TET2 Regulates Mast Cell Differentiation and Proliferation through Catalytic and Non-catalytic Activities.

Project description:Dioxygenases of the TET family impact genome functions by converting 5-methylcytosine in DNA to 5-hydroxymethylcytosine (5hmC), but their contribution to differentiation and function of immune cells is still incompletely understood. Here, we identified TET2 as a crucial regulator of mast cell differentiation and proliferation. Specifically, mast cell differentiation was impaired in absence of TET2, a defect that could be however compensated or further exacerbated modulating the activity of other TET family members. Mechanistically, delayed mast cell differentiation was related to the dysregulated expression of C/EBP transcription factors. Vice versa, the marked increase in proliferation induced by the absence of TET2 could be rescued exclusively by the specific re-expression of TET2 itself, regardless of its enzymatic activity. Our data indicate that in absence of TET2, mast cell differentiation is largely under the control of compensatory mechanisms mediated by other TET family members, while proliferation is strictly dependent on TET2 expression.

2016-05-04 | GSE77844 | GEO

TET2 Regulates Mast Cell Differentiation and Proliferation through Catalytic and Non-catalytic Activities.

Project description:Dioxygenases of the TET family impact genome functions by converting 5-methylcytosine (5mC) in DNA to 5-hydroxymethylcytosine (5hmC). Here, we identified TET2 as a crucial regulator of mast cell differentiation and proliferation. In the absence of TET2, mast cells showed disrupted gene expression and altered genome-wide 5hmC deposition, especially at enhancers and in proximity of down-regulated genes. Impaired differentiation of Tet2-ablated cells could be compensated or further exacerbated by modulating the activity of other TET family members, and mechanistically it could be linked to the dysregulated expression of C/EBP family transcription factors. Conversely, the marked increase in proliferation induced by the loss of TET2 could be rescued exclusively by re-expression of wild-type or catalytically inactive TET2. Our data indicate that in the absence of TET2, mast cell differentiation is under the control of compensatory mechanisms mediated by other TET family members, while proliferation is strictly dependent on TET2 expression.

2016-05-04 | GSE79090 | GEO

TET2 Regulates Mast Cell Differentiation and Proliferation through Catalytic and Non-catalytic Activities.

Project description:Dioxygenases of the TET family impact genome functions by converting 5-methylcytosine in DNA to 5-hydroxymethylcytosine, but the individual contribution of the three family members to differentiation and function of myeloid cells is still incompletely understood. Using cells with a deletion in the Tet2 gene, we show that TET2 contributes to the regulation of mast cell differentiation, proliferation and effector functions. The differentiation defect observed in absence of TET2 could be however completely rescued or further exacerbated by modulating TET3 activity, and it was primarily linked to dysregulated expression of the C/EBP family of transcription factors. In contrast, hyper-proliferation induced by the lack of TET2 could not be modified by TET3. Together, our data indicate the existence of both overlapping and unique roles of individual TET proteins in regulating myeloid cell gene expression, proliferation and function.

2016-05-04 | GSE70815 | GEO

TET2 Regulates Mast Cell Differentiation and Proliferation through Catalytic and Non-catalytic Activities.

Project description:Dioxygenases of the TET family impact genome functions by converting 5-methylcytosine (5mC) in DNA to 5-hydroxymethylcytosine (5hmC). Here, we identified TET2 as a crucial regulator of mast cell differentiation and proliferation. In the absence of TET2, mast cells showed disrupted gene expression and altered genome-wide 5hmC deposition, especially at enhancers and in the proximity of downregulated genes. Impaired differentiation of Tet2-ablated cells could be relieved or further exacerbated by modulating the activity of other TET family members, and mechanistically it could be linked to the dysregulated expression of C/EBP family transcription factors. Conversely, the marked increase in proliferation induced by the loss of TET2 could be rescued exclusively by re-expression of wild-type or catalytically inactive TET2. Our data indicate that, in the absence of TET2, mast cell differentiation is under the control of compensatory mechanisms mediated by other TET family members, while proliferation is strictly dependent on TET2 expression.

| S-EPMC5584687 | biostudies-literature

Mus musculus

Project description:TET2 Regulates Mast Cell Differentiation and Proliferation through Catalytic and Non-catalytic Activities.

| PRJNA289632 | ENA

Mus musculus

Project description:TET2 Regulates Mast Cell Differentiation and Proliferation through Catalytic and Non-catalytic Activities.

| PRJNA311721 | ENA

Mus musculus

Project description:TET2 Regulates Mast Cell Differentiation and Proliferation through Catalytic and Non-catalytic Activities.

| PRJNA314899 | ENA

TET2 Regulates Mast Cell Differentiation and Proliferation through Catalytic and Non-catalytic Activities.

Project description:This SuperSeries is composed of the SubSeries listed below.

2016-05-04 | GSE77845 | GEO

Non-catalytic functions of Tet2 are essential to regulate hematopoietic stem and progenitor cell homeostasis

Project description:To identify genes that are influenced by the catalytic and non-catalytic functions of Tet2 in hematopoietic stem and progenitor cells (HSPCs), we analyzed the gene expression profiles of Tet2 catalytic mutant (Tet2 Mut), Tet2 knockout (Tet2 KO) and wild-type HSPCs (or LSK, Lin–Sca-1+c-Kit+) and multi-potent progenitor (or MPP, Lin–) cells by RNA-seq.

2019-08-05 | GSE132090 | GEO

Comparative analysis of Tet2 catalytic deficient and knockout bone marrow over time

Project description:In this study, we investigated the role of Tet2 in regulation of hematopoietic genes by performing transcriptomic analysis of Tet2 WT, Mut, and KO LSK and Lin– cells at 3, 6, 9, and 12 months by RNA-seq, and mapping the DNA methylation landscape of 3-month-old Tet2 WT, Mut, and KO LSK and Lin– cells. (1) We find that loss of Tet2 (Tet2 KO) vs. a loss of Tet2 catalytic function (Tet2 Mut) at different time points and cell types causes distinct gene expression changes when compared to WT samples as assessed by RNA-seq. (2) Additionally, we find that many genes implicated in lymphoma and leukemia are deregulated in Tet2 Mut and KO LSK and Lin– cells, consistent with the phenotypes observed in mice transplanted with Tet2 Mut and KO bone marrow. (3) We also mapped genome-wide DNA methylation levels of WT, Tet2 Mut, and KO LSK and Lin– cells at 3 months by WGBS and establish a role for Tet2 in demethylating genes implicated in lymphoma and leukemia initiation and progression.

2023-06-01 | GSE227977 | GEO

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