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PRMT5 Promotes Progression of Chronic Lymphocytic Leukemia [scRNA-seq and scVDJ-seq]

ABSTRACT: PRMT5 Promotes Progression of Chronic Lymphocytic Leukemia [scRNA-seq and scVDJ-seq]

PROVIDER: PRJNA847215 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR19586135_1.fastq.gz	Fastqsanger.gz
	SRR19586135_2.fastq.gz	Fastqsanger.gz
	SRR19586136_1.fastq.gz	Fastqsanger.gz
	SRR19586136_2.fastq.gz	Fastqsanger.gz
	SRR19586137_1.fastq.gz	Fastqsanger.gz

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PRMT5 Promotes Progression of Chronic Lymphocytic Leukemia [scRNA-seq and scVDJ-seq]

Project description:Purpose: Richter’s Transformation (RT) is a poorly understood and often fatal progression of chronic lymphocytic leukemia (CLL) manifesting histologically as diffuse large B-cell lymphoma. PRMT5 is implicated in lymphomagenesis, but its role in CLL or RT progression is unknown. We demonstrate herein that tumors uniformly overexpress PRMT5 in patients with progression to RT. Furthermore, mice with B-specific overexpression of hPRMT5 developed a B-lymphoid expansion with increased risk of death, and Eµ-PRMT5/TCL1 double transgenic mice uniformly developed a highly aggressive disease that histologically resembles RT; where large-scale transcriptional profiling identified unique oncogenic pathways that mediate PRMT5-driven disease progression. Taken together, the discovery that PRMT5 drives oncogenic pathways promoting RT provides a compelling rationale for clinical investigation of PRMT5 inhibitors such as PRT382 in aggressive CLL/RT cases

2022-12-07 | GSE205704 | GEO

PRMT5 Promotes Progression of Chronic Lymphocytic Leukemia [3_vs_6_mo_RNA-Seq]

2022-12-07 | GSE183427 | GEO

PRMT5 Promotes Progression of Chronic Lymphocytic Leukemia [scRNA-Seq]

2022-12-07 | GSE183426 | GEO

PRMT5 Promotes Progression of Chronic Lymphocytic Leukemia [ATAC-Seq]

2022-12-07 | GSE183429 | GEO

PRMT5 Promotes Progression of Chronic Lymphocytic Leukemia [scRNA-Seq]

Project description:PRMT5 Promotes Progression of Chronic Lymphocytic Leukemia [scRNA-Seq]

| PRJNA760768 | ENA

PRMT5 Promotes Progression of Chronic Lymphocytic Leukemia [ATAC-Seq]

Project description:PRMT5 Promotes Progression of Chronic Lymphocytic Leukemia [ATAC-Seq]

| PRJNA760774 | ENA

PRMT5 Promotes Progression of Chronic Lymphocytic Leukemia [3_vs_6_mo_RNA-Seq]

Project description:PRMT5 Promotes Progression of Chronic Lymphocytic Leukemia [3_vs_6_mo_RNA-Seq]

| PRJNA760772 | ENA

PRMT5 Promotes Progression of Chronic Lymphocytic Leukemia

Project description:PRMT5 Promotes Progression of Chronic Lymphocytic Leukemia

| PRJNA760770 | ENA

PRMT5 Promotes Progression of Chronic Lymphocytic Leukemia [bulk low-input RNA-Seq]

2022-12-07 | GSE183425 | GEO

PRMT5 genomic deregulation supports growth and stress tolerance in chronic lymphocytic leukemia

Project description:Patients suffering from chronic lymphocytic leukemia (CLL) display highly diverse clinical courses ranging from indolent cases to aggressive disease with genetic and epigenetic features resembling this diversity. Here, we developed a comprehensive approach combining a variety of molecular and clinical data to identify translocation events disrupting long-range chromatin interactions and causing cancer-relevant transcriptional deregulation. Thereby, we identified a B cell specific cis-regulatory element restricting the expression of genes in the associated locus, including PRMT5 and DAD1, two factors with oncogenic potential. Examining the role of PRMT5 in CLL identified transcriptional programs associated with pathways of stress tolerance and growth support, maintaining MYC-driven gene expression in vivo and in vitro. Conversely, inhibition of PRMT5 impairs factors involved in DNA-repair and sensitizes cells for apoptosis. Finally, we show that artificial deletion of the regulatory element from its endogenous context resulted in upregulation of corresponding genes, including PRMT5. Furthermore, such disruption renders PRMT5 transcription vulnerable to additional stimuli and subsequently also alters the expression of downstream PRMT5 targets.

2020-08-19 | E-MTAB-8219 | biostudies-arrayexpress

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