Homo sapiens
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA277808 | ENA |
REPOSITORIES: ENA
Similar Datasets
Project description:PIAS1 is a target gene selective androgen receptor coregulator in prostate cancer cell chromatin
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Project description:The majority of breast cancer subtypes express androgen receptor (AR) in addition to estrogen receptor α (ERα). Depending on the breast cancer subtype androgen signaling has either stimulatory or inhibitory roles in breast cancer cell growth. We have mapped AR cistrome in ERα negative human molecular apocrine breast cancer MDA-MB453 cells and analyzed it in relation to the androgen-regulated transcriptome in the same cells. We have also examined the effect of silencing of the coregulator SUMO ligase PIAS1 on the androgen-regulated transcriptome and AR cistrome in MDA-MB453 cells. Our results show that the MDA-MB453 cells share with VCaP prostate cancer cells a core AR cistrome and target gene signature linked to cancer cell growth and that PIAS1 acts as an AR target gene-selective coregulator in MDA-MB453 cells.
2016-07-18 | GSE70162 | GEO
Project description:The majority of breast cancer subtypes express androgen receptor (AR) in addition to estrogen receptor a (ERa). Depending on the breast cancer subtype androgen signaling has either stimulatory or inhibitory roles in breast cancer cell growth. We have mapped AR cistrome in ERa negative human molecular apocrine breast cancer MDA-MB453 cells and analyzed it in relation to the androgen-regulated transcriptome in the same cells. We have also examined the effect of silencing of the coregulator SUMO ligase PIAS1 on the androgen-regulated transcriptome and AR cistrome in MDA-MB453 cells. Our results show that the MDA-MB453 cells share with VCaP prostate cancer cells a core AR cistrome and target gene signature linked to cancer cell growth and that PIAS1 acts as an AR target gene-selective coregulator in MDA-MB453 cells.
2016-07-18 | GSE70161 | GEO
Project description:Estrogen receptor coregulator binding modulators (ERXs) effectively target estrogen receptor positive human breast cancers
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Project description:The majority of breast cancer subtypes express androgen receptor (AR) in addition to estrogen receptor α (ERα). Depending on the breast cancer subtype androgen signaling has either stimulatory or inhibitory roles in breast cancer cell growth. We have mapped AR cistrome in ERα negative human molecular apocrine breast cancer MDA-MB453 cells and analyzed it in relation to the androgen-regulated transcriptome in the same cells. We have also examined the effect of silencing of the coregulator SUMO ligase PIAS1 on the androgen-regulated transcriptome and AR cistrome in MDA-MB453 cells. Our results show that the MDA-MB453 cells share with VCaP prostate cancer cells a core AR cistrome and target gene signature linked to cancer cell growth and that PIAS1 acts as an AR target gene-selective coregulator in MDA-MB453 cells. MDA-MB453 cells were transfected with control siRNA (siNON) or PIAS1 siRNA (siPIAS1) for 72 h and treated 16 h with 10 nM R1881 or vehicle (ethanol). Total RNA was isolated and biological triplicate samples were analyzed by microarray.
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Project description:Androgen receptor (AR) is a master transcription factor that drives prostate cancer (PCa) development and progression. Alterations in the expression or activity of AR coregulators significantly impact the disease's outcome. To identify all the essential components of the AR coregulator complex, we utilized a proteomic approach called rapid immunoprecipitation of endogenous proteins (RIME) to systematically identify all coregulator proteins of the AR interactome in PCa cells.
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Project description:LncRNA-dependent mechanisms of androgen receptor-regulated gene activation programs [GRO-seq II]
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