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UMI-4C in control and HASTER-deficient EndoC-betaH3 cells overexpressing HNF1A

ABSTRACT: UMI-4C in control and HASTER-deficient EndoC-betaH3 cells overexpressing HNF1A

PROVIDER: PRJEB51139 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	ERR8777000_1.fastq.gz	Fastqsanger.gz
	ERR8777000_2.fastq.gz	Fastqsanger.gz
	ERR8777010_1.fastq.gz	Fastqsanger.gz
	ERR8777010_2.fastq.gz	Fastqsanger.gz
	ERR8777001_1.fastq.gz	Fastqsanger.gz

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UMI-4C in control and HASTER-deficient EndoC-betaH3 cells overexpressing HNF1A

Project description:The HASTER promoter region is a cis-regulatory element that stabilizes the transcription HNF1A. If HASTER is deleted after beta cells have been formed and HNF1A is already stably expressed, HASTER is not required to maintain HNF1A activity, and is only required to provide negative feedback on HNF1A. HNF1A binding to the HASTER promoter mediates the repression of the HNF1A gene itself. To determine whether HNF1A binding to the HASTER promoter remodels 3D chromatin interactions of the HNF1A promoter, we performed UMI-4C experiments in wild type and HASTER-promoter KO EndoC-betaH3 cells with or without doxycycline-induced HNF1A overexpression using the HNF1A promoter as viewpoint.

2022-05-01 | E-MTAB-11473 | biostudies-arrayexpress

UMI-4C in control and Haster-deficient mouse livers

Project description:The HASTER promoter region is a cis-regulatory element that stabilizes the transcription of HNF1A, preventing silencing or overexpression. We have generated a mouse model where the promoter of Haster has been specifically deleted in liver (Haster loxP/loxP; AlbCre). In liver the prevailing consequence is upregulation of HNF1A. We performed UMI-4C experiments to assess how Haster inactivation remodel 3D chromatin interactions of the Hnf1a promoter using the Hnf1a promoter as viewpoint (V1, Hnf1a promoter upstream CTCF site viewpoint; V2, Hnf1a promoter VP).

2022-05-01 | E-MTAB-11472 | biostudies-arrayexpress

UMI-4C in control and Haster-deficient mouse livers

Project description:UMI-4C in control and Haster-deficient mouse livers

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HNF1A, H3K4me3 and H3K27ac ChIP-seq in control and Haster-deficient mouse livers

Project description:The HASTER promoter region is a cis-regulatory element that stabilizes the transcription of HNF1A, preventing silencing or overexpression. We have generated a mouse model where the promoter of Haster has been specifically deleted in liver (Haster loxP/loxP; AlbCre). In liver the prevailing consequence is upregulation of HNF1A. We performed HNF1A, H3K4me3 and H3K27ac ChIP-seq to assess the impact of HNF1A upregulation on the chromatin landscape of Haster KO liver.

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RNA-seq in control and Haster-deficient mouse livers

Project description:The HASTER promoter region is a cis-regulatory element that stabilizes the transcription of HNF1A, preventing silencing or overexpression. We have generated a mouse model where the promoter of Haster has been specifically deleted in liver (Haster loxP/loxP; AlbCre). In liver the prevailing consequence is upregulation of HNF1A. We performed RNA-seq from control and KO livers to assess the transcriptional impact of the HNF1A upregulation in the Haster KO liver.

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UMI-4C for quantitative and targeted chromosomal contact profiling

Project description:We developed a targeted chromosome conformation capture (4C) approach that uses unique molecular identifiers (UMI) to derive high complexity quantitative chromosome contact profiles with controlled signal to noise ratios. We demonstrate that the method improves the sensitivity and specificity for detection of long-range chromosomal interactions, and that it allows the design of interaction screens with predictable statistical power. UMI-4C robustly quantifies contact intensity changes between cell types and conditions, opening the way toward incorporation of long-range interactions in quantitative models of gene regulation. We constructed UMI-4C profiles of 13 different genomic loci (viewpoints) in five different cell lines, in order to study the 3D chromatin contact maps of these selected loci. The coordinates for these viewpoints are: G1p1 chrX:48646542; baitG1_3_5kb chrX:48641393; bait_50kb chrX:48595987; bait_165kb chrX:48476525; ANK1 chr8:41654693; hbb_3HS chr11:5221346; hbb_HBB chr11:5248714; hbb_HBBP1_G1 chr11:5266532; HBB_HBE chr11:5292159; HBB_HS2 chr11:5301345; HBB_HS3 chr11:5306690; HBB_HS5 chr11:5313539; HBB_HBD chr11:5256597

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Project description:Pancreas specific deletion of the Haster promoter region results in a variegated phenotype in pancreatic islets with overexpression or silencing of the Hnf1a gene. To determine the transcriptional consequence of the overexpression or silencing of Hnf1a is islet cells from the Haster pKO mice (Haster loxP/loxP;Pdx1-Cre), we performed scRNA-seq of pancreatic islets from control and adult female Haster pKO mice.

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