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RUNX1-EVI1 disrupts lineage determination and the cell cycle by interfering with RUNX1 and EVI1 driven gene regulatory networks

ABSTRACT: RUNX1-EVI1 disrupts lineage determination and the cell cycle by interfering with RUNX1 and EVI1 driven gene regulatory networks

PROVIDER: PRJNA600526 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR10871000_1.fastq.gz	Fastqsanger.gz
	SRR10871000_2.fastq.gz	Fastqsanger.gz
	SRR10871001_1.fastq.gz	Fastqsanger.gz
	SRR10871001_2.fastq.gz	Fastqsanger.gz
	SRR10871002_1.fastq.gz	Fastqsanger.gz

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RUNX1-EVI1 disrupts lineage determination and the cell cycle by interfering with RUNX1 and EVI1 driven gene regulatory networks [RNA-seq]

Project description:RUNX1-EVI1 disrupts lineage determination and the cell cycle by interfering with RUNX1 and EVI1 driven gene regulatory networks [RNA-seq]

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RUNX1-EVI1 disrupts lineage determination and the cell cycle by interfering with RUNX1 and EVI1 driven gene regulatory networks [DNaseI-seq]

Project description:RUNX1-EVI1 disrupts lineage determination and the cell cycle by interfering with RUNX1 and EVI1 driven gene regulatory networks [DNaseI-seq]

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RUNX1-EVI1 disrupts lineage determination and the cell cycle by interfering with RUNX1 and EVI1 driven gene regulatory networks [ChIP-seq]

Project description:RUNX1-EVI1 disrupts lineage determination and the cell cycle by interfering with RUNX1 and EVI1 driven gene regulatory networks [ChIP-seq]

| PRJNA600530 | ENA

RUNX1-EVI1 disrupts lineage determination and the cell cycle by interfering with RUNX1 and EVI1 driven gene regulatory networks [RNA-seq]

Project description:Hematological malignancies are characterised by a block in differentiation, which is in many cases caused by recurrent mutations affecting the activity of hematopoietic transcription factors. RUNX1-EVI1 is a fusion protein formed by the t(3;21) translocation linking two transcription factors required for normal hematopoiesis. RUNX1-EVI1 is found in myelodysplastic syndrome, secondary acute myeloid leukemia, and blast crisis of chronic myeloid leukemia; with clinical outcomes being worse than in patients with RUNX1-ETO, RUNX1 or EVI1 mutations alone. As RUNX1-EVI1 is usually found as a secondary mutation, the molecular mechanisms underlying how RUNX1-EVI1 alone contributes to poor prognosis are not well understood. To address this question, we induced expression of RUNX1-EVI1 at the onset of hematopoiesis and in progenitor cells derived from an embryonic stem cell differentiation model. Induction resulted in disruption of the RUNX1-dependent endothelial-hematopoietic transition, blocked the cell cycle and undermined cell fate decisions in multipotent hematopoietic progenitor cells. Integrative analyses of gene expression with the chromatin and transcription factor binding landscape demonstrated that RUNX1-EVI1 binding caused the re-distribution of endogenous RUNX1 within the genome and interfered with both RUNX1 and EVI1 regulated gene expression programs. In summary, RUNX1-EVI1 expression alone leads to extensive epigenetic reprogramming which is incompatible with healthy blood production and thus is only compatible with a pre-transformed cellular context.

2020-04-17 | GSE143459 | GEO

RUNX1-EVI1 disrupts lineage determination and the cell cycle by interfering with RUNX1 and EVI1 driven gene regulatory networks [DNaseI-seq]

2020-04-17 | GSE143458 | GEO

RUNX1-EVI1 disrupts lineage determination and the cell cycle by interfering with RUNX1 and EVI1 driven gene regulatory networks [ChIP-seq]

2020-04-17 | GSE143457 | GEO

RUNX1-EVI1 disrupts lineage determination and the cell cycle by interfering with RUNX1 and EVI1 driven gene regulatory networks

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

2020-04-17 | GSE143460 | GEO

C/EBPα overexpression overrides epigenetic reprogramming by RUNX1-ETO and RUNX1-EVI1

Project description:C/EBPα overexpression overrides epigenetic reprogramming by RUNX1-ETO and RUNX1-EVI1

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C/EBPα overexpression overrides epigenetic reprogramming by RUNX1-ETO and RUNX1-EVI1 [RNA-seq]

Project description:Acute myeloid leukemia (AML) is a heterogeneous disease caused by recurrent mutations in the transcription regulatory machinery. As a result, malignant myeloid cells display abnormal growth and are blocked in differentiation. One type of recurrent mutations affects RUNX1 which is subject to mutations and translocations, the latter giving rise to fusion proteins with aberrant transcriptional activities. We recently compared the mechanism by which the products of the t(8;21) and the t(3;21) translocation RUNX1-ETO and RUNX1-EVI1 globally reprogram the epigenome. We demonstrated that a main component of the block in differentiation in both types of AML is direct repression of the gene encoding for the crucial myeloid regulator C/EBPα by both fusion proteins. We also showed that CEBPA upregulation is required for the release of the differentiation block after oncogene knock-down. In the study presented here we examined at the global level the response of t(8;21) and t(3;21) cells to C/EBPα overexpression. We show that C/EBPα overexpression does not change oncoprotein expression or globally displace these proteins from their binding sites, but up-regulates a core set of common target genes important for myeloid differentiation and interferes with leukemic growth, highlighting CEBPA regulated pathways as targets for therapeutic intervention.

2018-04-30 | GSE102730 | GEO

C/EBPα overexpression overrides epigenetic reprogramming by RUNX1-ETO and RUNX1-EVI1 [ChIP-seq]

2018-04-30 | GSE102697 | GEO