Homo sapiens
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA302489 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR2921718.fastq.gz | Fastqsanger.gz | |||
| SRR2921719.fastq.gz | Fastqsanger.gz |
Items per page: 5 1 - 2 of 2 |
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Project description:The Promyelocytic Leukemia Zinc Finger Dependent Transcriptome during Human Endometrial Stromal Cell Decidualization
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Project description:The zinc-finger transcription factor GATA2 has been shown to be important for endometrial stromal cell decidualization in early pregnancy in mice and humans. Progesterone and its receptor PGR is also critical during decidualization but its interaction with GATA2 in regulating genes and pathways necessary for decidualization in human endometrium are unclear. Human endometrial stromal cells were isolated from 5 premenopausal women for primary cell culture. The cells underwent in vitro decidualization (IVD) or vehicle (Veh) treatment for 10 days. RNA-sequencing (RNA-seq) was performed to compare gene expression profiles (n=3) and chromatin immunoprecipitation followed by sequencing (ChIP-seq) using an antibody against GATA2 (n=2) was performed to examine binding to target genes in the Veh and IVD cells. A public PGR ChIP-seq dataset (GSE69539) was mined to identify PGR-binding regions in IVD-treated human endometrial cells.
2020-02-22 | GSE145673 | GEO
Project description:The zinc-finger transcription factor GATA2 has been shown to be important for endometrial stromal cell decidualization in early pregnancy in mice and humans. Progesterone and its receptor PGR is also critical during decidualization but its interaction with GATA2 in regulating genes and pathways necessary for decidualization in human endometrium are unclear. Human endometrial stromal cells were isolated from 5 premenopausal women for primary cell culture. The cells underwent in vitro decidualization (IVD) or vehicle (Veh) treatment for 10 days. RNA-sequencing (RNA-seq) was performed to compare gene expression profiles (n=3) and chromatin immunoprecipitation followed by sequencing (ChIP-seq) using an antibody against GATA2 (n=2) was performed to examine binding to target genes in the Veh and IVD cells. A public PGR ChIP-seq dataset (GSE69539) was mined to identify PGR-binding regions in IVD-treated human endometrial cells.
2020-02-22 | GSE145671 | GEO
Project description:PLZF (promyelocytic leukemia zinc finger) is a transcription factor acting as a global regulator of hematopoietic commitment. PLZF displays an epigenetic specificity by recruiting chromatin-modifying factors but little is known about its role in remodeling chromatin of cells committed towards a given specific hematopoietic lineage. In murine myeloid progenitors, we decipher a new role for PLZF in restraining active genes and enhancers by targeting acetylated lysine 27 of Histone H3 (H3K27ac). Functional analyses reveal that active enhancers bound by PLZF are involved in biological processes related to metabolism and associated with hematopoietic aging. Comparing the epigenome of young and old myeloid progenitors, we reveal that H3K27ac variation at active enhancers is a hallmark of hematopoietic aging. Taken together, these data suggest that PLZF, associated with active enhancers, appears to restrain their activity as an epigenetic gatekeeper of hematopoietic aging.
2018-12-21 | GSE124190 | GEO
Project description:The transcription factor PLZF (promyelocytic leukemia zinc finger protein) acts as an epigenetic regulator balancing self-renewal and differentiation of hematopoietic cells through binding to various chromatin-modifying factors. First described as a transcriptional repressor, PLZF is also associated with active transcription, although the molecular bases underlying the differences are unknown. Here, we reveal that, in a hematopoietic cell line, PLZF is predominantly associated with transcribed genes. Additionally, we identify a new association between PLZF and the histone methyltransferase, EZH2 at the genomic level. We find that co-occupancy of PLZF and EZH2 on chromatin at PLZF target genes is not associated with SUZ12 or trimethylated lysine 27 of histone H3 (H3K27me3) but with the active histone mark H3K4me3 and active transcription. Removal of EZH2 leads to an increase of PLZF binding and increased in gene expression. Our results suggest a new role of EZH2 in restricting PLZF positive transcriptional activity independently of its canonical PRC2 activity.
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Project description:Diverse genetic and epigenetic factors cooperate to specify cellular fates during development. Establishing these fates is especially critical in the nervous system, which comprises diverse neuronal cell types. How genomic architecture interfaces with epigenetic regulators to drive transcriptional programs underlying neuronal fates remains poorly understood. Here we show that cohesin, a protein complex that shapes genomic architecture, promotes GABAergic fate specification in a subset of neurons in the nematode Caenorhabditis elegans. This process is facilitated by EOR-1, a homolog of the human promyelocytic leukemia zinc finger (PLZF) transcription factor. The nucleosome remodeling and deacetylase (NuRD) complex and TRA-4, another PLZF homolog, promote tyraminergic fate in the normally GABAergic neurons when cohesin or EOR-1 function is lost, revealing an antagonistic mechanism determining alternative neuronal fates. These findings highlight a critical interplay among genome architecture, epigenetic remodeling and transcriptional regulation in neuronal fate specification and, given the evolutionary conservation of these factors, suggest a mechanism underlying neural development across species.
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Project description:Androgen Promotes Differentiation of Promyelocytic Leukemia Zinc Finger (PLZF)+ Spermatogonia pool via Indirect Regulatory Pattern
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Project description:Decidualization is critical for the embryonic implantation and successful pregnancy. ATRA can suppress in-vitro decidualization of human endometrial stromal cells (hESCs) induced by MPA and estrogen treatment. However, the mechanism by which RA suppressed estrogen and progesterone induced decidualization of mESCs is not clear. We used microarrays to investigate the mechanism by which all-trans RA (ATRA) regulates the decidualization of endometrial stroma cells (mESCs). mESCs were isolated at day 4 of pseudopregnancy and cultured with administration of E2 and P4 in the presence or absence of ATRA for 72h.
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Project description:LRF, which is encoded by the ZBTB7A gene and formerly known as POKEMON (POK erythroid myeloid ontogenic factor), was originally identified as a PLZF (promyelocytic leukemia zinc finger) homologue interacting with BCL6 (B-cell lymphoma 6). LRF is a transcription factor that is broadly expressed in hematopoietic lineage cells, but its expression is particularly high in erythroblasts and germinal center (GC) B-cells. The goal of this study is to assess the effect of LRF loss on the LT-HSC transcriptome. Nine days after injection of adult mice with polyinosinic polycytidylic acid (pIpc) to activate Cre, total RNAs were isolated from double-sorted LT-HSCs from LRF Flox/+ Mx1-Cre+ and LRF Flox/Flox Mx1-Cre+ mice and processed for microarray analysis.
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