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RNA-seq in the U2OS-AR cell line to identify genes regulated by the androgen receptor

ABSTRACT: RNA-seq in the U2OS-AR cell line to identify genes regulated by the androgen receptor

PROVIDER: PRJEB40608 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	ERR4649032_1.fastq.gz	Fastqsanger.gz
	ERR4649032_2.fastq.gz	Fastqsanger.gz
	ERR4649033_1.fastq.gz	Fastqsanger.gz
	ERR4649033_2.fastq.gz	Fastqsanger.gz
	ERR4649034_1.fastq.gz	Fastqsanger.gz

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RNA-seq in the U2OS-AR cell line to identify genes regulated by the androgen receptor

Project description:To identify the genes regulated by the androgen receptor (AR), we performed RNA-seq in the U2OS-AR cell line (derived from U2OS ATTC:HTB-96, stably transfected with an expression construct for human AR), upon androgen (R1881) or vehicle (DMSO) treatment for 24 hours.

2021-03-09 | E-MTAB-9622 | biostudies-arrayexpress

Glucocorticoid and androgen receptor profiling (ChIP-seq) in U2OS-GR and U2OS-AR cells upon hormone treatment

Project description:We performed ChIP-seq targeting the glucocorticoid receptor (GR) in the U2OS-GR cell line and the androgen receptor (AR) in the U2OS-AR cell line. The cell lines are derived from U2OS ATTC:HTB-96 and stably transfected with an expression construct for either rat GR or human AR, respectively. The U2OS-GR cells were treated with dexamethasone (1 µM) for 90 minutes. The U2OS-AR cells were treated with R1881 (5 nM) for 4 hours.

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ATAC-seq in the U2OS-AR cell line comparing cells treated for 4 hours with 5 nM R1881 to vehicle (DMSO) control-treated cells

Project description:We performed ATAC-seq in the U2OS-AR cell line (derived from U2OS ATTC:HTB-96, stably transfected with an expression construct for human AR), upon androgen (R1881) or vehicle (DMSO) treatment for 4 hours.

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The role of AR-associated factors in androgen signaling

Project description:Prostate cancer is the most common cancer in men and AR downstream signalings promote prostate cancer cell proliferation. We identified androgen-regulated genes, CTBP2, FOXP1 and RUNX1. These factors interact with AR ligand dependently. In order to investigate androgen-regulated gene functions in prostate cancer cells, we performed gene expression in AR-positive prostate cancer cell lines after siRNA treatment. We also treated cells with vehicle or androgen to analyzed the effects of these genes on AR function. Observation of androgen dependent gene expression changes after treatment with siRNAs targeting FOXP1, CTBP2 and FOXA1 with microarray.

2014-10-21 | E-GEOD-58309 | biostudies-arrayexpress

Glucocorticoid and androgen receptor profiling (ChIP-seq) in U2OS-GR and U2OS-AR cells upon hormone treatment

Project description:Glucocorticoid and androgen receptor profiling (ChIP-seq) in U2OS-GR and U2OS-AR cells upon hormone treatment

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The role of AR-associated factors in androgen signaling

2014-10-21 | GSE58309 | GEO

Genome-wide profiling of H3K27ac, H3K4me1, H3K27me3 and H3K9me3 (ChIP-seq) in U2OS-GR and U2OS-AR cells

Project description:We performed ChIP-seq targeting the H3K27ac, H3K4me1, H3K27me3 and H3K9me3 in the U2OS-GR and U2OS-AR cell lines. The cell lines are derived from U2OS ATTC:HTB-96 and stably transfected with an expression construct for either rat GR or human AR, respectively. The U2OS-GR cells were treated with dexamethasone (1 µM) or vehicle (ethanol) for 90 minutes. The U2OS-AR cells were treated with R1881 (5 nM) or vehicle (DMSO) for 4 hours.

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Identification of androgen-regulated genes in RWPE-1-AR cells

Project description:Transcriptional profiling of RWPE-1 cells stably expressing human androgen receptor (as described in Altintas et al., Mol Cell Endocrinol 2011) treated with a non-metabolisable androgen, R1881 RWPE-1-AR cells were treated with R1881 during 3h or 24h and compared to control not treated cells. Three independent cell culture experiments for each treatment condition (vehicle or R1881 for 3h and 24h).

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Project description:Although the vital role of the androgen receptor (AR) has been well demonstrated in primary prostate cancers, its role in the androgen-insensitive prostate cancers still remains unclear. Here, we used a small hairpin RNA approach to directly assess AR activity in prostate cancer cells. Reduction of AR expression in the two androgen-sensitive prostate cancer cell lines, LNCaP and LAPC4, significantly decreased AR-mediated transcription and cell growth. Intriguingly, in two androgen-insensitive prostate cell lines, LNCaP-C42B4 and CWR22Rv1, knockdown of AR expression showed a more pronounced effect on AR-induced transcription and cell growth than androgen depletion. Using cDNA microarrays, we also compared the transcriptional profiles induced by either androgen depletion or AR knockdown. Although a significant number of transcripts appear to be regulated by both androgen depletion and AR knockdown, we observed a subset of transcripts affected only by androgen depletion but not by AR knockdown, and vice versa. Finally, we demonstrated a direct role for AR in promoting tumor formation and growth in a xenograft model. Taken together, our results elucidate an important role for the AR in androgen-insensitive prostate cancer cells, and suggest that AR can be used as a therapeutic target for androgen-insensitive prostate cancers.

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Genome-wide analysis of androgen receptor (AR) SUMOylation effects on gene expression (HEK293).

Project description:Androgen receptor (AR) plays an important regulatory role during prostate cancer development. ARM-bM-^@M-^Ys transcriptional activity is regulated by androgenic ligands, but also by post-translational modifications. To study the role of the AR SUMOylation in genuine chromatin environment, we compared androgen-regulated gene expression and AR chromatin occupancy in PC-3 prostate cancer and HEK293 cell lines stably expressing wild-type (wt) or SUMOylation site-mutated AR (AR-K386R,K520R). Our genome-wide gene expression analyses reveal that the SUMOylation modulates the AR function in a target gene and pathway selective manner. The transcripts that are differentially regulated by androgen and SUMOylation are linked to cellular movement, cell death, cellular proliferation, cellular development and cell cycle. In line with these data, SUMOylation mutant AR cells proliferate faster and are more sensitive to apoptosis. Moreover, ChIP-seq analyses show that the SUMOylation modulates the chromatin occupancy of AR on many loci in a fashion that parallels with their differential androgen-regulated expression. De novo motif analyses show that other transcription factor-binding motifs are differentially enriched at the wtAR- and the AR-K386R,K520R-preferred genomic binding positions. Taken together, our data indicate that SUMOylation does not simply repress the AR activity, but it regulates ARM-bM-^@M-^Ys interaction with the chromatin and the receptorM-bM-^@M-^Ys target gene selection. Isogenic HEK293 cells stably expressing wild-type AR (wtAR) or SUMOylation-defective AR (AR-K2R) were treated 24 h with 10 nM R1881 or vehicle (EtOH). All conditions were performed in triplicate. The effect on gene expression was assessed by microarray.

2014-07-03 | E-GEOD-54137 | biostudies-arrayexpress

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