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LSD1 regulates splenic B cell chromatin accessibility

ABSTRACT: LSD1 regulates splenic B cell chromatin accessibility

PROVIDER: PRJNA546437 | ENA |

REPOSITORIES: ENA

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LSD1 regulates plasmablast chromatin accessibility

Project description:LSD1 regulates plasmablast chromatin accessibility

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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

LSD1 regulates plasmablast chromatin accessibility and transcriptome

Project description:LSD1 regulates plasmablast chromatin accessibility and transcriptome

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LSD1 regulates plasmablast chromatin accessibility

Project description:To understand the role of LSD1 in B cell differentiation, mice with B cell conditional deletion of LSD1 were intravenously inoculated with LPS. After 3 days, B220+GL7-CD138- naïve B cells and CD138+ plasmablasts were FACS-sorted from the spleens and RNA-seq was performed to identify LSD1-target regulated chromatin.

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SUMOylation regulates chromatin protein network and accessibility at glucocorticoid receptor-binding sites

Project description:Glucocorticoid receptor (GR) is an essential transcription factor (TF), controlling metabolism, development and immune responses. SUMOylation regulates chromatin occupancy and target gene expression of GR in a locus-selective manner, but the mechanism of regulation has remained elusive. Here, we show using selective isolation of chromatin-associated proteins that the protein network around chromatin-bound GR is affected by SUMOylation, with several nuclear receptor coregulators and chromatin modifiers being more avidly associated with SUMOylation-deficient than SUMOylation competent GR. This difference is reflected in our chromatin accessibility and gene expression data, showing that the SUMOylation-deficient GR is more potent in opening chromatin at glucocorticoid-regulated enhancers and inducing expression of their target loci. Our results thus show that SUMOylation determines GR specificity by regulating the chromatin protein network and accessibility at GR-driven enhancers. We speculate that a similar mechanism is utilized by many other SUMOylated TFs.

2021-09-08 | PXD015183 | Pride

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

Genome-wide chromatin accessibility mapping upon pharmacological LSD1 inhibition in MCC [ATACseq]

Project description:Genome-wide chromatin accessibility mapping upon pharmacological LSD1 inhibition in MCC [ATACseq]

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LSD1 regulates the plasmablast transcriptome

Project description:LSD1 regulates the plasmablast transcriptome

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LSD1 regulates the plasmablast transcriptome

Project description:LSD1 regulates the plasmablast transcriptome

| PRJNA546438 | ENA

SFMBT1 Functions with LSD1 to Regulate Expression of Canonical Histone Genes and Chromatin-Related Factors [RNA-Seq]

Project description:SFMBT1 is a poorly characterized mammalian MBT domain-containing protein homologous to Drosophila SFMBT, a Polycomb group protein involved in epigenetic regulation of gene expression. Here, we show that SFMBT1 regulates transcription in somatic cells and during spermatogenesis through the formation of a stable complex with LSD1 and CoREST. When bound to its gene targets, SFMBT1 recruits its associated proteins and causes chromatin compaction and transcriptional repression. SFMBT1, LSD1, and CoREST share a large fraction of target genes including those encoding replication-dependent histones. Simultaneous occupancy of histone genes by SFMBT1, LSD1, and CoREST is regulated during the cell cycle and correlates with the loss of RNA polymerase II at these promoters during G2, M, and G1. The interplay between the repressive SFMBT1M-bM-^@M-^SLSD1M-bM-^@M-^SCoREST complex and RNA polymerase II contributes to the timely transcriptional regulation of histone genes in human cells. SFMBT1, LSD1, and CoREST also form a stable complex in germ cells and their chromatin binding activity is regulated during spermatogenesis. RNA-seq in HeLaS3 cells ctrl compared to triple knockdown for SFMBT1, CoREST, and LSD1

2013-03-26 | E-GEOD-45442 | biostudies-arrayexpress

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