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The Androgen Receptor is a Tumor Suppressor in Estrogen Receptor Positive Breast Cancer [ZR-75-1 xenograft ChIP-seq]

ABSTRACT: The Androgen Receptor is a Tumor Suppressor in Estrogen Receptor Positive Breast Cancer [ZR-75-1 xenograft ChIP-seq]

PROVIDER: PRJNA509781 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR8315130.fastq.gz	Fastqsanger.gz
	SRR8315140.fastq.gz	Fastqsanger.gz
	SRR8315150.fastq.gz	Fastqsanger.gz
	SRR8315131.fastq.gz	Fastqsanger.gz
	SRR8315141.fastq.gz	Fastqsanger.gz

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The Androgen Receptor is a Tumor Suppressor in Estrogen Receptor Positive Breast Cancer [ZR-75-1 xenograft RNA-seq]

Project description:The Androgen Receptor is a Tumor Suppressor in Estrogen Receptor Positive Breast Cancer [ZR-75-1 xenograft RNA-seq]

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Knockdown of EI24 in ZR-75-1 cells

Project description:Analysis of ZR-75-1 cells folowing knockdown of EI24 (P53-Induced Gene 8) and control vector. As a p53 response gene, EI24 is known to controlling cell growth, apoptosis, and autophagy. Results provide insight into the role of EI24 in epithelial-to-mesenchymal Parental ZR-75-1 cells, ZR-75-1 cells with shGFP knockdown (control), Two independent clone of knockdown of EI24 in ZR-75-1. All samples are perfomed in duplicate. Total 8 samples exist.

2013-11-20 | E-GEOD-52508 | biostudies-arrayexpress

The Androgen Receptor is a Tumor Suppressor in Estrogen Receptor Positive Breast Cancer [ZR-75-1 cell line RNA-seq]

Project description:The Androgen Receptor is a Tumor Suppressor in Estrogen Receptor Positive Breast Cancer [ZR-75-1 cell line RNA-seq]

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ZR-75-1 microarray expression data

Project description:Testing the hormonal response of ZR-75-1 cells to estrogen, androgens, and a combination of both homones, with view determining the crosstalk between the transcriptional programs mediated by these hormones in breast cancer cells, and comparison with matched ChIP sequencing data for AR and ERalpha. Data analysis demonstrated reciprocal interference between 5α-dihydrotestosterone (DHT)- and estradiol (E2)-induced transcriptional programs. Specifically, regulation of 26% of E2 and 15% of DHT target genes was significantly affected by cotreatment with the other hormone, in the majority of cases (78-83%) antagonistically. Pathway analysis suggested that DHT co-treatment, for example, depleted E2-regulted pathways in cell survival and proliferation. Total RNA was extractd from luminal-like breast cancer ZR-75-1 cells in quadruplicate after treatment for 16h with 10nM of E2, DHT or E2+DHT.

2012-10-03 | E-GEOD-38132 | biostudies-arrayexpress

Knockdown of EI24 in ZR-75-1 cells

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The Androgen Receptor is a Tumor Suppressor in Estrogen Receptor Positive Breast Cancer [ZR-75-1 cell line p300 ChIP-seq]

Project description:The Androgen Receptor is a Tumor Suppressor in Estrogen Receptor Positive Breast Cancer [ZR-75-1 cell line p300 ChIP-seq]

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The Androgen Receptor is a Tumor Suppressor in Estrogen Receptor Positive Breast Cancer [ZR-75-1 xenograft ChIP-seq]

Project description:The role of the androgen receptor (AR) in estrogen receptor alpha (ER) positive breast cancer is controversial, constraining implementation of AR-directed therapies. Using a diverse, clinically relevant panel of cell-line and patient-derived models, we demonstrate that AR activation, not suppression, exerts potent anti-tumor activity in multiple disease contexts, including resistance to standard-of-care ER and CDK4/6 inhibitors. Importantly, AR agonists combined with standard-of-care agents enhanced therapeutic responses. Mechanistically, agonist activation of AR altered the genomic distribution of ER and essential co-activators (p300, SRC-3), resulting in repression of ER-regulated cell cycle genes and up-regulation of AR target genes, including known tumor suppressors. A gene signature of AR activity positively predicted disease survival in multiple clinical ER+ breast cancer cohorts. These findings provide unambiguous evidence that AR has a tumor suppressor role in ER+ breast cancer and support AR agonism as the optimal AR-directed treatment strategy, revealing a rational therapeutic opportunity.

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The Androgen Receptor is a Tumor Suppressor in Estrogen Receptor Positive Breast Cancer [ZR-75-1 xenograft RNA-seq]

2021-01-18 | GSE123766 | GEO

Restoring miR-150-5p to an estrogen receptor positive breast cancer cell line [ZR-75-1]

Project description:The objective of these experiments is to identify novel direct and indirect targets of miR-150-5p in breast cancer cell lines. The goal is that these will give direction as to what targets or pathways may be contributing to the reduced growth observed in these cell lines upon restoration of miR-150-5p. A therapy directed towards one or more critical subtype-specific targets could be developed as a therapeutic for breast cancer patients. Using has-miR-150-5p mirVana miRNA mimic (Ambion, 4464066), miR-150-5p was restored to an estrogen receptor positive breast cancer cell line, ZR-75-1.

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The Androgen Receptor is a Tumor Suppressor in Estrogen Receptor Positive Breast Cancer [ZR-75-1 cell line SRC-3 ChIP-seq]

Project description:The Androgen Receptor is a Tumor Suppressor in Estrogen Receptor Positive Breast Cancer [ZR-75-1 cell line SRC-3 ChIP-seq]

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