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Genome-wide transcriptome analysis of NIPBL hematopoeitic progenitors and megakaryocytes

ABSTRACT: Genome-wide transcriptome analysis of NIPBL hematopoeitic progenitors and megakaryocytes

PROVIDER: PRJNA490377 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR7819996_1.fastq.gz	Fastqsanger.gz
	SRR7819996_2.fastq.gz	Fastqsanger.gz
	SRR7819997_1.fastq.gz	Fastqsanger.gz
	SRR7819997_2.fastq.gz	Fastqsanger.gz
	SRR7819998_1.fastq.gz	Fastqsanger.gz

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Genome-wide transcriptome analysis of NIPBL hematopoeitic progenitors and megakaryocytes

Project description:The purpose of this study was to compare the transcriptome of NIPBL patient derived Hematopoietic progenitors and patient-derived megakaryocytes to healthy unaffected individuals Methods: HPC transcriptome profiles of three CdLS patient iPSCs harboring mutations in the NIPBL gene and megakaryocytes generated from patient-iPSCS were generated by deep sequencing, in triplicate, using Illumina HiSeq 2500. The sequence reads that passed quality filters were analyzed at the transcript isoform level with two methods: Burrows–Wheeler Aligner (BWA) followed by ANOVA (ANOVA) and TopHat followed by Cufflinks. Results: Using an optimized data analysis workflow, we mapped about 15 million sequence reads per sample to the human genome and identified transcripts in CdLS-HPCs and transcripts in CdLS-MEGs. Conclusion: Our data supports dysregulation of megakaroyctye maturation and growth arrest in response to multiple conserved developmental pathways.

2019-11-01 | GSE119828 | GEO

Transcription factors form a ternary complex with NIPBL/MAU2 to localize cohesin at enhancers

Project description:While the cohesin complex is a key player in genome architecture, how it localizes to specific chromatin sites is not well understood. Recently, we and others have proposed that direct interactions with transcription factors (TFs) lead to the localization of the cohesin-loader complex (NIPBL/MAU2) within enhancers. Here, we identify two clusters of protein-protein interaction (PPI) motifs within the NIPBL sequence that regulate NIPBL dynamics, interactome, and NIPBL-dependent transcriptional programs. These PPIMs directly interact with chromatin-associated proteins, including TFs and one of them is necessary for the maintenance of the NIPBL-MAU2 heterodimer. Finally, using the glucocorticoid receptor (GR) as a model, we investigate its interaction surfaces with NIPBL and MAU2 using AlphaFold2 and surface plasmon resonance to uncover a TF-NIPBL-MAU2 ternary complex and present its importance in GR-dependent gene regulation.

2025-04-17 | PXD058574 | Pride

Genome-wide localization of NF-E2 p45 in mouse primary megakaryocytes.

Project description:ChIP-seq assay was performed with anti-p45 antibody using in vitro cultured primary megakaryocytes to identify direct p45 target genes in megakaryocytes. This analysis revealed genes that regulate platelet function, which were not known previously to be p45-regulated. ChIP was performed using a day-3 primary culture of megakaryocytes from E13.5 fetal livers of wild-type mice with an anti-p45 antibody.

2013-11-01 | E-GEOD-42249 | biostudies-arrayexpress

ChIP-Seq for NIPBL for SMC1 in human lymphoblastoid cells (hLCLs)

Project description:The gene expression program is regulated by a cell-type specific chromosome architecture. The connection between enhancer and promoter regions is dependent on a protein complex containing Nipbl, Mediator and Cohesin. To gain insights into the chromosome architecture of human differentiated cells, we profiled NIPBL and SMC1 in lymphoblastoid cells (LCLs). DNA was enriched from hLCLs and chromatin immunoprecipitations (ChIPs) were analyzed by Solexa sequencing. ChIPs were performed using an antibody against NIPBL and SMC1. Whole cell extract is provided for background.

2012-06-01 | E-GEOD-38395 | biostudies-arrayexpress

Gene expression changes in limb buds of Nipbl-haploinsufficient mice

Project description:Multiple genes are dysregulated in hindlimb buds of Nipbl-deficient embryos. In all, more than 1000 limb bud genes were found to be significantly altered in expression by microarray analysis of E10.5 mouse hindlimb buds. Small changes in expression (mostly decreases) were observed for genes involved in FGF, BMP, and SHH pathways, as well as numerous genes involved in the Wnt/planar cell polarity signaling pathway. Genes involved in the Mediator complex, Cohesin function, and Hox gene expression and functions were also dysregulated in Nipbl deficient limb buds. Microarray analysis using RNA extracted from E10.5 hindlimb limb buds harvested from stage-matched Nipbl+/- (n=12) and wildtype (n=12)

2014-08-30 | E-GEOD-60932 | biostudies-arrayexpress

MAU2 and NIPBL variants in Cornelia de Lange syndrome reveal MAU2-independent loading of cohesin and uncover protective mechanisms against early truncating mutations in NIPBL

Project description:For its association with chromatin, the cohesin complex depends on a heterodimer formed by NIPBL and MAU2. Variants in NIPBL are the main cause of CdLS and result in NIPBL haploinsufficiency. Using CRISPR, we generated cells homozygous for an out-of-frame duplication in NIPBL. Remarkably, alternative translation initiation rescued NIPBL expression in these cells and produced an N-terminally truncated NIPBL that lacks MAU2-interaction domain, causing a dramatic reduction of MAU2 protein levels while a lot of NIPBL functions remain intact.

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2024-05-10 | GSE264384 | GEO

Lineage regulators direct BMP and Wnt pathways to cell-specific programs during differentiation and regeneration

Project description:This SuperSeries is composed of the following subset Series: GSE29193: Genome-wide location analysis of BMP (SMAD1) in mouse erythroid progenitors co-occupted with lineage specific regulators (GATA1, GATA2) GSE29194: Genome-wide location analysis of WNT (Tcf7l2) and BMP (SMAD1) in human hematopoeitic progenitors co-occupied with lineage specific regulators (GATA1, GATA2) GSE29195: Genome-wide location analysis of WNT (Tcf7l2) and BMP (SMAD1) in human hematopoeitic cell lines co-occupied with lineage specific regulators (GATA1, GATA2, CEBPA) Refer to individual Series

2011-10-06 | E-GEOD-29196 | biostudies-arrayexpress

RNA-seq of primary dissociated cortical Nipbl+/- neurons

Project description:RNA-seq of total RNA from Nipbl+/+ and Nipbl+/- dissociated cortical neurons at Day In Vitro (DIV10)

2021-02-28 | GSE161796 | GEO