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Genome-wide mapping of Nr5a2 in mouse embryonic stem cells

ABSTRACT: Nr5a2 (also known as liver receptor homolog-1, Lrh-1) has been shown to bind both the proximal enhancer and proximal promoter regions of Pou5f1 and regulate Pou5f1 in the epiblast stage of mouse embryonic development (Gu et al., 2005). Nr5a2-null embryos display a loss of Oct4 expression in the epiblasts (Gu et al., 2005) and die between E6.5 and E7.5 (Gu et al., 2005; Pare et al., 2004). To identify the targets of Nr5a2, we generated a stable ES cell-line that expresses HA-tagged Nr5a2. Anti-HA antibody was used to immunoprecipitate HA-Nr5a2 for ChIP-seq analysis. Keywords: Transcription factor binding sites

ORGANISM(S): Mus musculus

PROVIDER: GSE19019 | GEO | 2010/01/22

SECONDARY ACCESSION(S): PRJNA120611

REPOSITORIES: GEO

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Genome-wide mapping of Nr5a2 in mouse embryonic stem cells

Project description:Nr5a2 (also known as liver receptor homolog-1, Lrh-1) has been shown to bind both the proximal enhancer and proximal promoter regions of Pou5f1 and regulate Pou5f1 in the epiblast stage of mouse embryonic development (Gu et al., 2005). Nr5a2-null embryos display a loss of Oct4 expression in the epiblasts (Gu et al., 2005) and die between E6.5 and E7.5 (Gu et al., 2005; Pare et al., 2004). To identify the targets of Nr5a2, we generated a stable ES cell-line that expresses HA-tagged Nr5a2. Anti-HA antibody was used to immunoprecipitate HA-Nr5a2 for ChIP-seq analysis. Keywords: Transcription factor binding sites To identify the binding sites of Nr5a2, we generated a stable ES cell-line that expresses HA-tagged Nr5a2. Anti-HA antibody was used to immunoprecipitate HA-Nr5a2.

2010-01-22 | E-GEOD-19019 | biostudies-arrayexpress

ATACseq of TNG-A derived mESCs comparing WT to Dax1, Nr5a2 and Dax1/Nr5a2 knock-out clones

Project description:ATACseq in WT, Dax1, Nr5a2 and Dax1/Nr5a2 knock-out clones of mESCs in order to determine the role of the Dax1/Nr5a2 complex on chromatin accessibility and the activity of cis-regulatory elements during differentiation.<br>This experiment is part of the study: "Mechanistic framework of lineage restriction in embryonic stem cells" by Olivieri et al.

2021-03-15 | E-MTAB-9453 | biostudies-arrayexpress

A Role for Orphan Nuclear Receptor Liver Receptor Homolog-1 (LRH-1, NR5A2) in Primordial Follicle Activation

Project description:The ovarian reserve of follicles comprises all oocytes for lifetime fertility and is depleted by progressive activation. The orphan nuclear receptor liver receptor homolog 1 (LRH-1; Nr5a2) is essential for ovulation, but its role in the early stages of follicular development is not known. We therefore developed a model of conditional depletion of LRH-1 from early postnatal ovaries (postnatal day 4) and performed RNAsequencing to identify LRH-1 regulated genes during the earliest stages of follicular activation.

2022-10-24 | GSE216392 | GEO

RNA-seq comparing WT to Dax1, Nr5a2 and Dax1/Nr5a2 knock-out clones in 2iLIF and SL differentiation conditions

Project description:Determine the transcriptomic effects that are associated with the knock-out of the inhibitor of PrE trans-differentiation Dax1 and the associated nuclear receptor Nr5a2.<br>This experiment is part of the study: "Mechanistic framework of lineage restriction in embryonic stem cells" by Olivieri et al.

2021-03-15 | E-MTAB-9447 | biostudies-arrayexpress

LRH-1/NR5A2 for the treatment of autoimmune diseases

Project description:LRH-1/NR5A2 for the treatment of autoimmune diseases

| PRJNA412364 | ENA

LRH-1 Mitigates Intestinal Inflammatory Disease by Maintaining Epithelial Homeostasis and Cell Survival

Project description:We report the gene expression changes in murine small intestinal organoids following deletion of LRH-1 (NR5A2) and humanization by expression of human LRH-1 in mouse LRH-1 knockout organoids.

2018-07-04 | GSE116563 | GEO

NR5A2 bridges zygotic genome activation to lineage segregation in early mouse development

Project description:After fertilization, zygotic genome activation (ZGA) enables the conversion of two terminally differentiated gametes to a totipotent embryo. Zygotes further give rise to the pluripotent embryonic lineages and extraembryonic trophectoderm after the first lineage commitment. While much is learned for pluripotency regulation, how ZGA is connected to the pluripotency commitment in early embryos remains unclear. Here, we investigated the role of nuclear receptor (NR) family TFs in mouse pre-implantation embryos, whose motifs are highly enriched in accessible chromatin at the 2-cell (2C) to 8-cell (8C) stages. We found NR5A2 is required for the early development, as both knockdown and knockout of Nr5a2 led to morula arrest. 4-8C activated genes (mid-preimplantation activation), including key pluripotency marker genes (i.e. Nanog, Pou5f1, and Tdgf1) and trophectoderm genes (i.e. Klf5, Elf3, and Gata3). Genome-wide chromatin binding and RNA-seq analyses showed NR5A2 bound and regulated the 4-8C genes, including both ICM and TE genes in 2C and 8C embryos , indicating its roles in bipotency program. Interestingly, NR5A2 occupied sites predominantly reside in accessible B1 elements where its motif is embedded at the 2-8C stage. Taken together, these data demonstrate the role of NR5A2 as a key regulator that bridges ZGA to lineage segregation.

2022-12-07 | GSE218379 | GEO

LRH-1/NR5A2 induces M1 to M2 macrophage phenotypic switch

Project description:LRH-1/NR5A2 induces M1 to M2 macrophage phenotypic switch

| PRJNA412367 | ENA

ZHBTc4 ES cells stably expressing EGFP vs Nr5a2-EGFP or Oct4-EGFP vs Nr5a2-EGFP

Project description:Gene expression profiles of ZHBTc4 ES cells expressing EGFP, Oct4-EGFP, Nr5a2-EGFP under CAG promoter. Monoclonal cell lines selected by Puromycin were used for analysis. Each of the cell lines was cultured in doxycycline containing media for endogenous Oct4 knock-down. Pupose of this experiment is to investigate the possibility that forced expression of Nr5a2 can replace Oct4 function in the self-renewal of ES cells. Monoclonal ZHBTc4 ES cells expressing EGFP vs Nr5a2-EGFP, Oct4-EGFP vs Nr5a2-EGFP, no replication

2013-11-05 | E-GEOD-52034 | biostudies-arrayexpress

Nuclear receptor LRH-1/NR5A2 is required and targetable for liver endoplasmic reticulum stress resolution.

Project description:Chronic endoplasmic reticulum (ER) stress results in toxicity that contributes to multiple human disorders. We report a stress resolution pathway initiated by the nuclear receptor LRH-1 that is independent of known unfolded protein response (UPR) pathways. Like mice lacking primary UPR components, hepatic Lrh-1-null mice cannot resolve ER stress, despite a functional UPR. In response to ER stress, LRH-1 induces expression of the kinase Plk3, which phosphorylates and activates the transcription factor ATF2. Plk3-null mice also cannot resolve ER stress, and restoring Plk3 expression in Lrh-1-null cells rescues ER stress resolution. Reduced or heightened ATF2 activity also sensitizes or desensitizes cells to ER stress, respectively. LRH-1 agonist treatment increases ER stress resistance and decreases cell death. We conclude that LRH-1 initiates a novel pathway of ER stress resolution that is independent of the UPR, yet equivalently required. Targeting LRH-1 may be beneficial in human disorders associated with chronic ER stress. 24 total samples. One sample represents one mouse. Three samples were analyzed from the following groups: Lrh-1 f/f (control littermates) treated with vehicle, Lrh-1 f/f treated with tunicamycin (TM; 1mg/kg BW for 24h), Lrh-1 f/f treated with tunicamycin and DLPC (100mg/kg BW 4x), Lrh-1 f/f treated with tunicamycin and vehicle for DLPC, Lrh-1 liver-specific KO mice (LKO) treated with vehicle, Lrh-1 LKO treated with tunicamycin, and Lrh-1 LKO treated with tunicamycin and DLPC, Lrh-1 LKO treated with tunicamycin and vehicle for DLPC

2015-05-12 | E-GEOD-68718 | biostudies-arrayexpress

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