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LSD1 cooperates with non-canonical NF-êB signaling to regulate marginal zone B cell development

ABSTRACT: LSD1 cooperates with non-canonical NF-êB signaling to regulate marginal zone B cell development

PROVIDER: PRJNA546552 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR9202150_1.fastq.gz	Fastqsanger.gz
	SRR9202150_2.fastq.gz	Fastqsanger.gz
	SRR9202160_1.fastq.gz	Fastqsanger.gz
	SRR9202160_2.fastq.gz	Fastqsanger.gz
	SRR9202170_1.fastq.gz	Fastqsanger.gz

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LSD1 regulates the marginal zone B cell transcriptome

Project description:To understand the role of LSD1 in splenic B cell development, spleens from mice with B cell conditional deletion of LSD1 were harvested, B220+CD93–GL7–CD23–CD21hiCD1d+ marginal zone B cells and B220+CD93–GL7–CD23+CD21midCD1d– follicular B cells were FACS-sorted, and RNA-seq was performed to identify LSD1-target regulated genes.

2019-08-06 | GSE132197 | GEO

LSD1 Cooperates with Noncanonical NF-κB Signaling to Regulate Marginal Zone B Cell Development.

Project description:Marginal zone B cells (MZB) are a mature B cell subset that rapidly respond to blood-borne pathogens. Although the transcriptional changes that occur throughout MZB development are known, the corresponding epigenetic changes and epigenetic modifying proteins that facilitate these changes are poorly understood. The histone demethylase LSD1 is an epigenetic modifier that promotes plasmablast formation, but its role in B cell development has not been explored. In this study, a role for LSD1 in the development of B cell subsets was examined. B cell-conditional deletion of LSD1 in mice resulted in a decrease in MZB whereas follicular B cells and bone marrow B cell populations were minimally affected. LSD1 repressed genes in MZB that were normally upregulated in the myeloid and follicular B cell lineages. Correspondingly, LSD1 regulated chromatin accessibility at the motifs of transcription factors known to regulate splenic B cell development, including NF-κB motifs. The importance of NF-κB signaling was examined through an ex vivo MZB development assay, which showed that both LSD1-deficient and NF-κB-inhibited transitional B cells failed to undergo full MZB development. Gene expression and chromatin accessibility analyses of in vivo- and ex vivo-generated LSD1-deficient MZB indicated that LSD1 regulated the downstream target genes of noncanonical NF-κB signaling. Additionally LSD1 was found to interact with the noncanonical NF-κB transcription factor p52. Together, these data reveal that the epigenetic modulation of the noncanonical NF-κB signaling pathway by LSD1 is an essential process during the development of MZB.

| S-EPMC6761012 | biostudies-literature

LSD1 regulates the marginal zone B cell transcriptome

Project description:LSD1 regulates the marginal zone B cell transcriptome

| PRJNA546436 | ENA

LSD1 cooperates with non-canonical NF-êB signaling to regulate marginal zone B cell development

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

2019-08-06 | GSE132227 | GEO

Molecular characterization of Nodal marginal zone lymphoma

Project description:This SuperSeries is composed of the following subset Series: GSE32231: Molecular characterization of Nodal marginal zone lymphoma [Gene Expression] GSE32232: microRNA-expression profile in a series of Nodal marginal zone lymphoma patients [miRNA expression] Refer to individual Series

2011-09-20 | E-GEOD-32233 | biostudies-arrayexpress

LSD1 regulates the plasmablast transcriptome

Project description:To understand the role of LSD1 in marginal zone B cell development, CD93+ transitional B cells were enriched from the spleens of mice with B cell conditional deletion of LSD1, the cells were cultured for 3 days in the presence of OP9-DL1 cells and BAFF, and day 0 B220+CD93+ transitional B cells and day 3 B220+CD21+CD1d+ ex vivo-derived marginal zone B cells were FACS-sorted and RNA-seq was performed to identify LSD1-target regulated genes.

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Identification of xLEF1 specific target genes in dorsal marginal zone explants of Xenopus laevis

Project description:Lef-1 as nuclear transducer of the canonical Wnt signaling pathway acts as regulator of convergent extension (CE) movements. To identify Lef-1 target genes relevant for CE movements we compared the transcriptome of Lef-1 morphant dorsal marginal zone explants with control morphants.

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Human splenic marginal zone precursors (MZP) differentiation into marginal zone B cells (MZB)through a Notch2 signalling pathway

Project description:RNA microarray profiling analysis was performed on different ex-vivo human splenic B cell subsets (M-^SNaM-oveM-^T, marginal zone precursors or M-^SMZPM-^T, marginal zone B cells orM-^T MZBM-^T, M-^SMTG+CD45+M-^T cells) and on M-^Sp27M-^T cells, corresponding to the fraction of MZP cells that differentiated into CD27-expressing cells after culture on OP9-hDLL1 cells cultured with OP9-hDLL1 cells that differentiated into CD27-expressing cells

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Project description:Array-based comparative genomic hybridization comparing splenic marginal zone lymphoma (SMZL) specimens with control DNA

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LSD1 regulates splenic B cell chromatin accessibility

Project description:To understand the role of LSD1 in splenic B cell development, spleens from mice with B cell conditional deletion of LSD1 were harvested, B220+CD93–GL7–CD23–CD21hiCD1d+ marginal zone B cells and B220+CD93–GL7–CD23+CD21midCD1d– follicular B cells were FACS-sorted, and ATAC-seq was performed to identify LSD1-target regulated chromatin.

2019-08-06 | GSE132196 | GEO

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