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4C-seq analysis of interactions with promoters and enhancers nearby five sex-specific genes, in male and female mouse liver

ABSTRACT: Sequencing files provided here include 4C-seq experiments for a total of 6 viewpoints neighboring 5 highly sex-biased genes in mouse liver. These files are part of a larger study ("CTCF and Cohesin link sex-biased distal regulatory elements to sex-biased gene expression in mouse liver"), where we compare CTCF and cohesin binding in male and female mouse liver as well as differences in chromatin conformation (DNA looping).

ORGANISM(S): Mus musculus

PROVIDER: GSE130911 | GEO | 2020/07/07

REPOSITORIES: GEO

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CTCF and Cohesin (Rad21) ChIP-seq in female mouse liver

Project description:Sequencing files provided here include mouse liver ChIP-seq for CTCF and the cohesin subunit Rad21. These files are part of a larger study ("CTCF and Cohesin link sex-biased distal regulatory elements to sex-biased gene expression in mouse liver") where we compare CTCF and cohesin binding in male and female mouse liver as well as differences in chromatin conformation (DNA looping).

2020-07-07 | GSE130908 | GEO

CTCF and Cohesin link sex-biased distal regulatory elements to sex-biased gene expression in mouse liver

Project description:CTCF and Cohesin link sex-biased distal regulatory elements to sex-biased gene expression in mouse liver

| PRJNA542689 | ENA

RNA-seq in male and female mouse liver for two mouse strains: C57BL/6J and CAST/EiJ.

Project description:Sequencing files provided here are mouse liver RNA-seq in two mouse strains: C57BL/6J and CAST/EiJ. This is part of a larger study published in PLoS Genetics (2021) "Harnessing natural variation to identify cis regulators of sex-biased gene expression in a multi-strain mouse liver model" that includes DNase-seq and H3K27ac ChIP-seq in mouse liver from the same two strains. This allows us to identify strain-shared ("core") and strain-unique sex-biased genes and enhancers.

2021-10-27 | GSE130913 | GEO

Mouse liver DNase-seq identification of DNase hypersensitive sites (DHS) in male and female mouse liver for two mouse strains: C57BL/6J and CAST/EiJ.

Project description:Sequencing files provided here are mouse liver DNase-seq in two mouse strains: C57BL/6J and CAST/EiJ. This is part of a larger study published in PLoS Genetics (2021) "Harnessing natural variation to identify cis regulators of sex-biased gene expression in a multi-strain mouse liver model" that includes RNA-seq and H3K27ac ChIP-seq in mouse liver from the same two strains. This allows us to identify strain-shared ("core") and strain-unique sex-biased genes and enhancers.

2021-10-27 | GSE130912 | GEO

Mouse liver H3K27ac histone marks in male and female mouse liver for two mouse strains: C57BL/6J and CAST/EiJ.

Project description:Sequencing files provided here are mouse liver ChIP-seq for the activating histone mark H3K27ac in two mouse strains: C57BL/6J and CAST/EiJ. This is part of a larger study published in PLoS Genetics (2021) "Harnessing natural variation to identify cis regulators of sex-biased gene expression in a multi-strain mouse liver model" that includes RNA-seq and DNase-seq in mouse liver from the same two strains. This allows us to identify strain-shared ("core") and strain-unique sex-biased genes and enhancers.

2021-10-27 | GSE130909 | GEO

CTCF binding polarity determines chromatin looping [4C]

Project description:CCCTC-binding factor (CTCF) is an architectural protein involved in the three-dimensional organization of chromatin. In this study, we systematically assayed the 3D genomic contact profiles of hundreds of CTCF binding sites in multiple tissues with high-resolution 4C-seq. We find both developmentally stable and dynamic chromatin loops. As recently reported, our data also suggest that chromatin loops preferentially form between CTCF binding sites oriented in a convergent manner. To directly test this, we used CRISPR-Cas9 genome editing to delete core CTCF binding sites in three loci, including the CTCF site in the Sox2 super-enhancer. In all instances, CTCF and cohesin recruitment were lost, and chromatin loops with distal CTCF sites were disrupted or destabilized. Re-insertion of oppositely oriented CTCF recognition sequences restored CTCF and cohesin recruitment, but did not re-establish chromatin loops. We conclude that CTCF binding polarity plays a functional role in the formation of higher order chromatin structure. 4C-seq was performed on a large number of viewpoints in E14 embryonic stem cells, neural precursor cells and primary fetal liver cells

2015-10-29 | E-GEOD-72539 | biostudies-arrayexpress

Changes in chromatin accessibility due to hypophysectomy (hypox) and a single exogenous pulse of GH/STAT5 in mouse liver

Project description:Sequencing files provided here are mouse liver DNase-seq to identify DNase hypersensitive sites (DHS) in livers from intact and hypox female, hypox male, and hypox male mice given a single injection of GH and then euthanized 30, 90, or 240 minutes later. This is part of a larger study that includes DNase-seq in mouse liver from intact males determined to be STAT5-high or STAT5-low based on an endogenous pulse of GH/STAT5. This allows us to identify GH pulse-responsive DHS and better understand male-biased DHS regulation of sex-biased genes. Overall, our findings establish that pulsatile chromatin opening stimulated by endogenous, physiological hormone pulses is a novel mechanism for establishing widespread sex differences in chromatin accessibility and transcription factor binding, which are closely linked to sex-biased gene expression and the sexual dimorphism of liver function.

2023-08-21 | GSE131852 | GEO

Genome-wide maps of histone modifications in male and female mouse liver

Project description:Here we map six chromatin modifications -- H3K4me1, H3K4me3, H3K27ac, H3K36me3, H3K9me3, and H3K27me3 -- genome-wide in male and female mouse liver in order to identify histone modifications that characterize sex-biased genes and sex-biased DNase hypersensitive sites and their regulation by plasma growth hormone (GH) profiles, which are sexually dimorphic. We find distinct mechanisms of regulation in male liver and female liver: sex-dependent K27me3-mediated repression is an important mechanism of repression of female-biased, but not of male-biased, genes, and a sex-dependent K4me1 distribution, suggesting nucleosome repositioning by pioneer factors, is observed at male-biased, but not female-biased, regulatory sites. STAT5-mediated activation is most strongly associated with sex-biased chromatin modifications, while BCL6-mediated repression primarily occurs in association with sex-independent chromatin modifications, both at binding sites and at target genes. These samples are part of a study on chromatin states in male and female mouse and their role in sex-biased liver gene expression (A Sugathan and DJ Waxman (2013) Molec Cell Biol).

2013-07-03 | GSE44571 | GEO

Identification of Hnf6 binding sites in male and female mouse liver

Project description:∼40,000 HNF6 binding sites were identified in mouse liver chromatin, including several thousand sites showing significant differences in level of HNF6 binding between male and female mouse liver. These sex-biased HNF6 binding sites showed strong enrichment for sex-biased DNase hypersensitive sites and for proximity to genes showing local sex-biased chromatin marks and a corresponding sex-biased expression. ~90% of genome-wide CUX2 binding sites identified previously in female mouse liver (Conforto TL, Zhang Y, Sherman J, Waxman DJ., Mol Cell Biol. 2012;32(22):4611-4627) were also bound by HNF6, giving evidence for genome-wide competition between HNF6 and CUX2 for chromatin binding in female mouse liver. These HNF6/CUX2 common binding sites were enriched for genomic regions more accessible in male than in female mouse liver chromatin, and showed strongest enrichment for male-biased genes, suggesting HNF6 displacement by CUX2 as a mechanism to explain the observed CUX2 repression of male-biased genes in female liver. However, HNF6 binding was sex-independent at a majority of its binding sites, and peak regions of HNF6 binding were frequently associated with co-binding by multiple other liver transcription factors, consistent with HNF6 playing a global regulatory role in both male and female liver.

2015-07-28 | GSE60014 | GEO

Genome-wide maps of histone modifications in male and female mouse liver

2013-07-03 | E-GEOD-44571 | biostudies-arrayexpress

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