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Enhancer looping protein LDB1 affects T-ALL cell proliferation by cooperating with master transcription factors [CUT&Tag]

ABSTRACT: Enhancer looping protein LDB1 affects T-ALL cell proliferation by cooperating with master transcription factors [CUT&Tag]

PROVIDER: PRJNA1063599 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR27496385_1.fastq.gz	Fastqsanger.gz
	SRR27496385_2.fastq.gz	Fastqsanger.gz
	SRR27496386_1.fastq.gz	Fastqsanger.gz
	SRR27496386_2.fastq.gz	Fastqsanger.gz
	SRR27496387_1.fastq.gz	Fastqsanger.gz

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Enhancer looping protein LDB1 affects T-ALL cell proliferation by cooperating with master transcription factors [CUT&Tag]

Project description:LIM domain-binding protein 1 (LDB1) is a highly conserved and widely expressed chromatin looping protein that connects enhancer-promoter genes through LIM and LIM homologous domains in various cell types. LDB1 has been confirmed to play a crucial role in various physiological and pathological processes. In our study, we aim to investigate the function and mechanisms of LDB1 in the context of T-cell acute lymphoblastic leukemia (T-ALL). RNA-seq was conducted and the differently expressed genes were revealed in the LDB1-knockdown 6T-CEM and J.gamma1 cells in comparison to control group. Cleavage Under Targets and Tagmentation (CUT&Tag) showed the co-localization of LDB1 with several master transcription factors on chromatin in 6T-CEM cells.

2024-10-15 | GSE252992 | GEO

Enhancer looping protein LDB1 affects T-ALL cell proliferation by cooperating with master transcription factors [RNA-Seq]

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Enhancer looping protein LDB1 affects T-ALL cell proliferation by cooperating with master transcription factors

Project description:Enhancer looping protein LDB1 affects T-ALL cell proliferation by cooperating with master transcription factors

| PRJNA1063684 | ENA

Enhancer looping protein LDB1 affects T-ALL cell proliferation by cooperating with master transcription factors [RNA-Seq]

Project description:Enhancer looping protein LDB1 affects T-ALL cell proliferation by cooperating with master transcription factors [RNA-Seq]

| PRJNA1063689 | ENA

Role of LDB1 in the transition from chromatin looping to transcription activation

Project description:Many questions remain about how close association of genes and distant enhancers occurs and how this is linked to transcription activation. In erythroid cells, LDB1 is recruited to the β-globin locus via LMO2 and is required for looping of the β-globin locus control region (LCR) to the active β-globin promoter. We show that the LDB1 dimerization domain (DD) is necessary and, when fused to LMO2 is sufficient, to completely restore LCR-promoter looping and transcription in LDB1 depleted cells. The looping function of the DD is unique and irreplaceable by heterologous dimerization domains. Dissection of the DD revealed distinct functional properties of conserved subdomains. Notably, a conserved helical region (DD4/5) is dispensable for LDB1 dimerization and chromatin looping but essential for transcriptional activation. DD4/5 is required for the recruitment of the co-regulators FOG1 and NuRD complex. Lack of DD4/5 alters histone acetylation and RNA polymerase II recruitment and results in failure of the locus to migrate to the nuclear interior as normally occurs during erythroid maturation. These results uncouple enhancer-promoter looping from nuclear migration and transcription activation and reveal new roles for LDB1in these processes. RNA-seq in LDB1 knockdown, LDB1 delta4/5 construct, LDB1 full-length construct, and control in induced MEL cells; three replicates each.

2014-07-02 | E-GEOD-54549 | biostudies-arrayexpress

Enhancer looping protein LDB1 regulates hepatocyte gene expression by cooperating with liver transcription factors

Project description:Enhancer looping protein LDB1 regulates hepatocyte gene expression by cooperating with liver transcription factors

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Role of LDB1 in the transition from chromatin looping to transcription activation

2014-07-02 | GSE54549 | GEO

Enhancer looping protein LDB1 regulates hepatocyte gene expression by cooperating with liver transcription factors

Project description:To study LDB1 function in liver cell, gene expression changes and LDB1 binding and H3K27ac modification were detected by RNA-seq and ChIP-seq.

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Enhancer looping protein LDB1 affects T-ALL cell proliferation by cooperating with master transcription factors

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

2024-10-15 | GSE253040 | GEO

IRF2BP2 affects T-ALL cell proliferation by cooperating with master transcription factors [Cut&Tag]

Project description:IRF2BP2 affects T-ALL cell proliferation by cooperating with master transcription factors [Cut&Tag]

| PRJNA1111543 | ENA