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Genome-wide analysis of Estrogen Receptor-mediated response to acute Estradiol treatment in liver

ABSTRACT: Genome-wide analysis of Estrogen Receptor-mediated response to acute Estradiol treatment in liver

PROVIDER: PRJNA288343 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR2080080.fastq.gz	Fastqsanger.gz
	SRR2080071.fastq.gz	Fastqsanger.gz
	SRR2080081.fastq.gz	Fastqsanger.gz
	SRR2080072.fastq.gz	Fastqsanger.gz
	SRR2080082.fastq.gz	Fastqsanger.gz

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Estrogen receptor-depended gene signatures in the mouse mammary gland after acute estradiol treatment (RNA-Seq)

Project description:Estrogen receptor α (ERα) is the major driving transcription factor in normal mammary gland development as well as breast cancer initiation and progression.However,the fundamental mechanisms,including global cistromic and genomic transcriptional responses that are required to elicit mammary epithelial cell proliferation in response to estradiol, have not been elucidated. We used RNA-seq analysis to identify global gene expression signatures that are acutely regulated by estroegn receptors in the mouse mammary gland after acute estradiol treatment.

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Genome-wide analysis of Estrogen Receptor-mediated response to acute Estradiol treatment in liver (expression)

Project description:Estrogen-based treatments have numerous extra-reproductive effects. On the one hand, they have protective metabolic actions against abdominal fat accumulation, type 2 diabetes, liver steatosis,â¦ But, on the other hand, the oral route of administration, presumably due to a hepatic impact on liver-derived coagulation factors, appears to increase risks of venous thrombosis and pulmonary embolism. The characterization of liver genes expression regulations by these hormones thereby appears of utmost interest, but the estrogen-sensitive transcriptome of liver and ER cistrome was so far explored under chronic hormonal treatment. To explore the early steps of these mechanisms, we determined here the short-term changes in liver transcriptional responses to acute E2 administration, and aimed to characterize the mechanisms allowing these programs to be engaged. Collectively, through the comparison of mice expressing or not ER, our data demonstrate that acute administration of E2 provokes genes expression variations which fit with a crucial role of ER in the prevention of liver steatosis in mice fed with a high fat diet by E2. They also evidenced higher proportion of ER binding sites (BSs) located at the direct vicinity (distance <3kb) of regulated genes than what is determined in human cancer cell models. Besides this specific aspect of ER cistrome in vivo, we unexpectedly found that 40 % of the BSs of the pioneer factor Foxa2 were dependent upon the expression of ER that indirectly influences the distribution of the nucleosomes harbouring a dimethylated H3K4 around these Foxa2 sites. Analysis of estrogen-sensitive and estrogen receptor (ER)-dependent transcriptomes in livers from wild-type or ERKO mice.

2016-05-13 | E-GEOD-70329 | biostudies-arrayexpress

Estrogen receptor-depended gene signatures in the mouse mammary gland after acute estradiol treatment (RNA-Seq)

Project description:Estrogen receptor-depended gene signatures in the mouse mammary gland after acute estradiol treatment (RNA-Seq)

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Genome-wide analysis of Estrogen Receptor-mediated response to acute Estradiol treatment in liver (ChIP-seq)

Project description:Estrogen-based treatments have numerous extra-reproductive effects. On the one hand, they have protective metabolic actions against abdominal fat accumulation, type 2 diabetes, liver steatosis,â¦ But, on the other hand, the oral route of administration, presumably due to a hepatic impact on liver-derived coagulation factors, appears to increase risks of venous thrombosis and pulmonary embolism. The characterization of liver genes expression regulations by these hormones thereby appears of utmost interest, but the estrogen-sensitive transcriptome of liver and ER cistrome was so far explored under chronic hormonal treatment. To explore the early steps of these mechanisms, we determined here the short-term changes in liver transcriptional responses to acute E2 administration, and aimed to characterize the mechanisms allowing these programs to be engaged. Collectively, through the comparison of mice expressing or not ER, our data demonstrate that acute administration of E2 provokes genes expression variations which fit with a crucial role of ER in the prevention of liver steatosis in mice fed with a high fat diet by E2. They also evidenced higher proportion of ER binding sites (BSs) located at the direct vicinity (distance <3kb) of regulated genes than what is determined in human cancer cell models. Besides this specific aspect of ER cistrome in vivo, we unexpectedly found that 40 % of the BSs of the pioneer factor Foxa2 were dependent upon the expression of ER that indirectly influences the distribution of the nucleosomes harbouring a dimethylated H3K4 around these Foxa2 sites. Whole-genome analysis of estrogen receptor (ER) and FOXA2 binding events associated with the cartography of two histone marks (H3K4me2 and H3K27ac) in livers from wild-type or ERKO mice.

2016-05-13 | E-GEOD-70346 | biostudies-arrayexpress

Estrogen receptor-depended gene signatures and ER binding sites in the mouse mammary gland after acute estradiol treatment

Project description:Estrogen receptor-depended gene signatures and ER binding sites in the mouse mammary gland after acute estradiol treatment

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Genome-wide analysis of Estrogen Receptor-mediated response to acute Estradiol treatment in liver (expression)

Project description:Estrogen-based treatments have numerous extra-reproductive effects. On the one hand, they have protective metabolic actions against abdominal fat accumulation, type 2 diabetes, liver steatosis,… But, on the other hand, the oral route of administration, presumably due to a hepatic impact on liver-derived coagulation factors, appears to increase risks of venous thrombosis and pulmonary embolism. The characterization of liver genes expression regulations by these hormones thereby appears of utmost interest, but the estrogen-sensitive transcriptome of liver and ER cistrome was so far explored under chronic hormonal treatment. To explore the early steps of these mechanisms, we determined here the short-term changes in liver transcriptional responses to acute E2 administration, and aimed to characterize the mechanisms allowing these programs to be engaged. Collectively, through the comparison of mice expressing or not ER, our data demonstrate that acute administration of E2 provokes genes expression variations which fit with a crucial role of ER in the prevention of liver steatosis in mice fed with a high fat diet by E2. They also evidenced higher proportion of ER binding sites (BSs) located at the direct vicinity (distance <3kb) of regulated genes than what is determined in human cancer cell models. Besides this specific aspect of ER cistrome in vivo, we unexpectedly found that 40 % of the BSs of the pioneer factor Foxa2 were dependent upon the expression of ER that indirectly influences the distribution of the nucleosomes harbouring a dimethylated H3K4 around these Foxa2 sites.

2016-05-13 | GSE70329 | GEO

Genome-wide analysis of Estrogen Receptor-mediated response to acute Estradiol treatment in liver (ChIP-seq)

Project description:Estrogen-based treatments have numerous extra-reproductive effects. On the one hand, they have protective metabolic actions against abdominal fat accumulation, type 2 diabetes, liver steatosis,… But, on the other hand, the oral route of administration, presumably due to a hepatic impact on liver-derived coagulation factors, appears to increase risks of venous thrombosis and pulmonary embolism. The characterization of liver genes expression regulations by these hormones thereby appears of utmost interest, but the estrogen-sensitive transcriptome of liver and ER cistrome was so far explored under chronic hormonal treatment. To explore the early steps of these mechanisms, we determined here the short-term changes in liver transcriptional responses to acute E2 administration, and aimed to characterize the mechanisms allowing these programs to be engaged. Collectively, through the comparison of mice expressing or not ER, our data demonstrate that acute administration of E2 provokes genes expression variations which fit with a crucial role of ER in the prevention of liver steatosis in mice fed with a high fat diet by E2. They also evidenced higher proportion of ER binding sites (BSs) located at the direct vicinity (distance <3kb) of regulated genes than what is determined in human cancer cell models. Besides this specific aspect of ER cistrome in vivo, we unexpectedly found that 40 % of the BSs of the pioneer factor Foxa2 were dependent upon the expression of ER that indirectly influences the distribution of the nucleosomes harbouring a dimethylated H3K4 around these Foxa2 sites.

2016-05-13 | GSE70346 | GEO

Estradiol Treated Breast Cancer Cells Expressing Mutant Estrogen Receptors

Project description:MDA-MB-231 Breast Cancer Cells expressing either wild-type estrogen receptor or the mutant estrogen recepor L540Q were treated with estradiol for 1 or 2 hours Keywords: time-course

2004-03-24 | GSE1045 | GEO

ChIP-Seq of human breast cancer cell lines MCF-7 in the absence of hormone and after Estradiol treatment with antibody against Estrogen Receptor cofactors SRC1, SRC2, SRC3, CBP and p300

Project description:The Estrogen Receptor cofactors SRC1 (NCOA1, KAT13A), SRC2 (NCOA2, GRIP1, TIF2, KAT13C) , SRC3 (NCOA3, AIB1, KAT13B, Rac3) , CBP and p300 are assessed for their genome-wide chromatin binding capacities in the breast cancer cell line MCF7. To determine the Estrogen Receptor dependency of interactions, experiments were performed in the absence of hormone and after Estradiol treatment. In addition, the data were compared with Estrogen Receptor ChIP-seq data from the same timepoint of Estradiol treatment.

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Transcription profiling of rat peripheral blood leukocytes treated with the estrogen receptor agonists estradiol, PPT and DPN to investigates the functional roles of estrogen receptor alpha and beta

Project description:This experiment investigates the functional roles of estrogen receptor alpha and beta in peripheral blood leukocytes by using selective estrogen receptor agonists. The agonists that are used are estradiol (E2), the selective ER-alpha agonist PPT (4,4',4''-(4-Propyl-[1H]-pyrazole-1,3,5-triyl)trisphenol) and the selective ER-beta agonist DPN (2,3-bis(4-hydroxyphenyl)-propionitrile).

2007-05-30 | E-TABM-269 | biostudies-arrayexpress

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