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Mutant-SETBP1 activates transcription of Myc programs to accelerate CSF3R-driven myeloproliferative neoplasms

ABSTRACT: Mutant-SETBP1 activates transcription of Myc programs to accelerate CSF3R-driven myeloproliferative neoplasms

PROVIDER: PRJNA783288 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR17028100.fastq.gz	Fastqsanger.gz
	SRR17028101.fastq.gz	Fastqsanger.gz
	SRR17028102.fastq.gz	Fastqsanger.gz
	SRR17028027.fastq.gz	Fastqsanger.gz
	SRR17028028.fastq.gz	Fastqsanger.gz

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Mutant-SETBP1 activates transcription of Myc programs to accelerate CSF3R-driven myeloproliferative neoplasms

Project description:Colony stimulating factor 3 receptor (CSF3R) mutations lead to JAK pathway activation and are the molecular hallmark of chronic neutrophilic leukemia (CNL). Approximately half of CNL patients also have mutations in SET binding protein 1 (SETBP1). In this study, we developed models of SETBP1-mutant leukemia to understand the role that SETBP1 plays in CNL. SETBP1 mutations promote self-renewal of CSF3R-mutant hematopoietic progenitors in vitro and prevent cells from undergoing terminal differentiation. In vivo, SETBP1 mutations accelerate leukemia progression, leading to the rapid development of hepatosplenomegaly and granulocytosis. Through transcriptomic and epigenomic profiling, we found that SETBP1 enhances progenitor-associated programs—most strongly upregulating Myc and Myc target genes. In summary, we find that SETBP1 mutations promote aggressive hematopoietic cell expansion when expressed with mutant CSF3R through the upregulation of Myc-associated gene expression programs.

2022-05-11 | GSE189502 | GEO

Mutated SETBP1 activates transcription of Myc programs to accelerate CSF3R-driven myeloproliferative neoplasms.

Project description:Colony stimulating factor 3 receptor (CSF3R) mutations lead to JAK pathway activation and are the molecular hallmark of chronic neutrophilic leukemia (CNL). Approximately half of patients with CNL also have mutations in SET binding protein 1 (SETBP1). In this study, we developed models of SETBP1-mutated leukemia to understand the role that SETBP1 plays in CNL. SETBP1 mutations promote self-renewal of CSF3R-mutated hematopoietic progenitors in vitro and prevent cells from undergoing terminal differentiation. In vivo, SETBP1 mutations accelerate leukemia progression, leading to the rapid development of hepatosplenomegaly and granulocytosis. Through transcriptomic and epigenomic profiling, we found that SETBP1 enhances progenitor-associated programs, most strongly upregulating Myc and Myc target genes. This upregulation of Myc can be reversed by LSD1 inhibitors. In summary, we found that SETBP1 mutations promote aggressive hematopoietic cell expansion when expressed with mutated CSF3R through the upregulation of Myc-associated gene expression programs.

| S-EPMC9373012 | biostudies-literature

Myelodysplastic/myeloproliferative neoplasms

Project description:This SuperSeries is composed of the following subset Series: GSE21948: High Density custom Agilent 44K CGH array analysis of 7q and TET2 region in myelodysplastic/myeloproliferative neoplasms GSE21990: Affymetrix SNP 6.0 array data for myelodysplastic/myeloproliferative neoplasms Refer to individual Series

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Pathophysiology of arterial cardiovascular events in patients with JAK2V617F myeloproliferative neoplasms

Project description:Cardiovascular events are the leading cause of death in patients with JAK2V617F myeloproliferative neoplasms. Their mechanisms are poorly understood. To investigate the role of microvesicles in these events, we performed a proteomic analysis of microvesicles derived from red blood cells from mice with a myeloproliferative neoplasms (Jak2V617F Flex/WT ;VE-cadherin-Cre) vs. littermate controls.

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Project description:Genome-wide association study of JAK2 V617F negative myeloproliferative neoplasms consisting of 524 cases at stage 1

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