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GenomicsChIP-Seq of human MCF-7 cells with ER-alpha and ER-beta anitbodies following estrogen treatment
We performed chromatin immunoprecipitation (ChIP) with overnight with antibodies against the C-terminus (HC-20, from Santa Cruz Biotechnology, Europe) or the N-terminus (anti-Estrogen Receptor 18-32, from SigmaAldrich, Italy) of human ER-alpha with or without estrogen treatment for 45 minutes on TAP...
ORGANISM(S): Homo sapiens 
2010-12-01 | E-MTAB-345 | biostudies-arrayexpress
TranscriptomicsTranscription 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
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)trisphen...
ORGANISM(S): Rattus norvegicus 
2007-05-30 | E-TABM-269 | biostudies-arrayexpress
GenomicsAn Estrogen Receptor α-bound Human Chromatin Interactome
We developed Chromatin Interaction Analysis by Paired-End Tag sequencing (ChIA-PET) for de novo detection of global chromatin interactions, and comprehensively mapped the chromatin interaction network bound by estrogen receptor α (ERα) in the human genome. We performed 454 and Illumina sequencing an...
ORGANISM(S): Homo sapiens 
2009-09-11 | E-GEOD-18046 | biostudies-arrayexpress
TranscriptomicsGenome-wide Binding Site Mapping of Estrogen Receptor alpha and c-MYC in Breast Cancer Cells
Estrogens are steroid hormones that play critical roles in the initiation, development, and metastasis of breast and uterine cancers. The estrogen (E2) response in breast cancer cells is predominantly mediated by the estrogen receptor-alpha (ER alpha), a ligand-activated transcription factor. ER a...
ORGANISM(S): Homo sapiens 
2010-05-26 | E-GEOD-10800 | biostudies-arrayexpress
GenomicsH4K12ac is regulated by estrogen receptor-alpha and is associated with BRD4 function and inducible transcription
Hormone-dependent gene expression requires dynamic and coordinated epigenetic changes. Estrogen receptor-positive (ER+) breast cancer is particularly dependent upon extensive chromatin remodeling and changes in histone modifications for the induction of hormone-responsive gene expression. Our previo...
ORGANISM(S): Homo sapiens 
2015-05-02 | E-GEOD-65886 | biostudies-arrayexpress
TranscriptomicsRapid estrogen receptor signaling is essential for the protective effects of estrogen against vascular injury
Background: Clinical trial and epidemiological data support that the cardiovascular effects of estrogen are complex, including a mixture of both potentially beneficial and harmful effects. In animal models, estrogen protects females from vascular injury and inhibits atherosclerosis. These effects ar...
ORGANISM(S): Mus musculus 
2012-09-01 | E-GEOD-35558 | biostudies-arrayexpress
TranscriptomicsTranscription profiling of mouse vascular tissue from estrogen receptor alpha knockout (ERaKO) and estrogen receptor beta knockout (ERbKO) mice and vs. wild type control, all ovarioectomized treated with 17beta-estradiol pellets vs. placebo
Estrogen plays an important role in the regulation of vascular tone and in the pathophysiology of cardiovascular disease. Physiological effects of estrogen are mediated through estrogen receptors alpha (ERalpha) and beta (ERbeta), which are both expressed in vascular smooth muscle and endothelial ce...
ORGANISM(S): Mus musculus 
2008-06-17 | E-GEOD-9371 | biostudies-arrayexpress
TranscriptomicsChromatin immunoprecipitation profiling of human breast cancer cell lines and tissues to identify novel estrogen receptor-{alpha} binding sites and estradiol target genes
Estrogen receptor-{alpha} (ER{alpha}) and its ligand estradiol play critical roles in breast cancer growth and are important therapeutic targets for this disease. Using chromatin immunoprecipitation (ChIP)-on-chip, ligand-bound ER{alpha} was recently found to function as a master transcriptional reg...
ORGANISM(S): Homo sapiens 
2008-06-20 | E-GEOD-11506 | biostudies-arrayexpress
TranscriptomicsGenomics of signalling crosstalk of estrogen receptor alpha in breast cancer cells
The estrogen receptor a (ERa) is a ligand-regulated transcription factor. However, a wide variety of other extracellular signals can activate ERa in the absence of estrogen. The impact of these alternate modes of activation on gene expression profiles has not been characterized. We show that estroge...
ORGANISM(S): Homo sapiens 
2008-05-22 | E-GEOD-10466 | biostudies-arrayexpress
GenomicsEstrogen-responsive Estrogen Receptor alpha binding sites in MCF-7 by ChIP-seq
Identification of Estrogen Receptor alpha (ERa) binding sites by ChIP-seq in MCF-7 breast cancer cells following an estrogen treatment. This study describes molecular effects of estradiol treatment and subsequent regulation by ER for a single gene/locus. A public ER chipseq (available in SRA as ERR0...
ORGANISM(S): Homo sapiens 
2012-12-17 | E-GEOD-34759 | biostudies-arrayexpress
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