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Phosphorylated and SUMO-deficient progesterone receptors drive a gene expression profile important for breast cancer progression (Illumina gene expression analysis)

ABSTRACT: Anlaysis of the differential gene expression between T47D cells expressing wild type (WT) progesterone receptor isoform B (PR) or SUMOylation-deficient PR molecules. Total RNA obtained from T47D breast cancer cells that express either WT PR-B or mutant PR-B (K388R, SUMO-deficient), treated with or without synthetic PR ligand R5020 for 6 h.

ORGANISM(S): Homo sapiens

SUBMITTER: Todd Knutson

PROVIDER: E-GEOD-34148 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Phosphorylated and SUMO-deficient progesterone receptors drive a gene expression profile important for breast cancer progression (Affymetrix gene expression analysis)

Project description:Anlaysis of the differential gene expression between T47D cells expressing wild type (WT) progesterone receptor isoform B (PR) or SUMOylation-deficient PR molecules. Total RNA obtained from T47D breast cancer cells induced (with AP21967) to express either iWT PR-B or mutant PR-B (iK388R, SUMO-deficient), treated with or without synthetic PR ligand R5020 for 6 h. Each sample had 1 replicate.

2012-06-06 | E-GEOD-34147 | biostudies-arrayexpress

Phosphorylated and Sumoylation-Deficient Progesterone Receptors Drive Proliferative Gene Signatures During Breast Cancer Progression (Illumina gene expression analysis)

Project description:Anlaysis of the differential gene expression between T47D cells expressing wild type (WT) progesterone receptor isoform B (PR) or SUMOylation-deficient PR molecules.

2012-06-07 | GSE34148 | GEO

Phosphorylated and Sumoylation-Deficient Progesterone Receptors Drive Proliferative Gene Signatures During Breast Cancer Progression (Affymetrix gene expression analysis)

Project description:Anlaysis of the differential gene expression between T47D cells expressing wild type (WT) progesterone receptor isoform B (PR) or SUMOylation-deficient PR molecules.

2012-06-07 | GSE34147 | GEO

Phosphorylated and SUMO-deficient progesterone receptors drive a gene expression profile important for breast cancer progression

Project description:This SuperSeries is composed of the following subset Series: GSE34147: Phosphorylated and SUMO-deficient progesterone receptors drive a gene expression profile important for breast cancer progression (Affymetrix gene expression analysis) GSE34148: Phosphorylated and SUMO-deficient progesterone receptors drive a gene expression profile important for breast cancer progression (Illumina gene expression analysis) Refer to individual Series

2012-06-06 | E-GEOD-34149 | biostudies-arrayexpress

Gene expression profiles in wild-type and SUMO knockdown mice after forebrain ischemia

Project description:Transient brain ischemia massively activates global SUMOylation. A large fraction of SUMO targets are nuclear proteins involved in gene expression. However, gene expression profile modulated by ischemia-induced SUMOylation has not been studied. Using a SUMO knockdown (SUMO-KD) mouse model and microarray technique, we investigated how SUMOylation modulated gene expression after brain ischemia. Wild-type and SUMO-KD mice were subjected to transient forebrain ischemia or sham surgery. The hippocampal CA1 subfield samples collected at 3 hours reperfusion were analyzed using Affymetrix microarrays.

2016-08-01 | E-GEOD-80681 | biostudies-arrayexpress

Gene expression profiles in wild-type and SUMO knockdown mice after forebrain ischemia

2016-08-01 | GSE80681 | GEO

TORC1 shapes the SUMO proteome to control RNA polymerase III activity

Project description:Loss of nutrient supply elicits alterations of the SUMO proteome and sumoylation is crucial to various cellular processes including transcription. However, the physiological significance of sumoylation of transcriptional regulators is unclear. To begin clarifying this, we mapped the SUMO proteome under nitrogen-limiting conditions in Saccharomyces cerevisiae. Interestingly, several RNA polymerase III (RNAPIII) components are major SUMO targets under normal growth conditions, including Rpc53, Rpc82, and Ret1, and nutrient starvation results in rapid desumoylation of these proteins. These findings are supported by ChIP-seq experiments that show that SUMO is highly enriched at tDNA genes. Furthermore, RNA-seq experiments revealed that preventing sumoylation results in significantly decreased tRNA transcription. TORC1 inhibition resulted in the same effect, and our data indicate that the SUMO and TORC1 pathways are both required for robust tDNA expression. Importantly, tRNA transcription was strongly reduced in cells expressing a non-sumoylatable Rpc82-4KR mutant, which correlated with a misassembled RNAPIII transcriptional complex. Our data suggest that in addition to TORC1 activity, sumoylation of RNAPIII is key to reaching full translational capacity under optimal growth conditions.

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SUMO safeguards somatic and pluripotent cell identities by enforcing distinct chromatin states [SUMO-ChIP-seq]

Project description:Mouse embryonic fibroblasts (MEFs) were generated from Ubc9fl/- and Ubc9+/+ embryos (E13.5). MEFs were treated with tamoxifen for six days to cause CreERT2 activation, and induce Ubc9 floxed allele deletion. We determined the ChIP-seq profiles of SUMO-1 and SUMO-2 using chromatin of wild-type MEFs Ubc9+/+ and of the corresponding Ubc9 KO MEFs which are entirely depleted for sumoylation. The analysis revealed the nearly complete absence of genome-wide binding of SUMO-1 and SUMO-2 in Ubc9-/- MEFs, attesting for antibody specificities.

2018-10-24 | GSE115842 | GEO

ER/PR RIME Experiments in MCF7 and T47D cell lines

Project description:Immuno-precipitation followed by MS was performed using the RIME protocol in this study. Estrogen Receptor (ER) and Progestorone Receptor (PR) were targetted using antibodies. The experiments were performed in a quantitative manner using SILAC labelling. Cells grown in complete serum (estrogenic) conditions were compared against an cells in similar complete media, however supplemented with Progesterone (PG) or R5020 for 4 hours. Experiments were performed in MCF7 and T47D cell lines

2015-05-26 | PXD002104 | Pride

SUMO and RNAPolII chromatin profiling in SUMOylation-competent and -deficient bone marrow derived dendritic cells unstimulated or stimulated with LPS

Project description:Purpose: To determine SUMO1 and SUMO2 chromatin profile in a static and dynamic manner in BMDC before and after LPS stimulation, and to determine RNAPolII chromatin occupancy in sumoylation-deficient BMDC compared to wild-type cells. Methods: SUMO1, SUMO2 and RNAPolII chromatin profiles were determined by sequencing BMDC chromatin immunoprecipitated with antibodies specific for SUMO1, SUMO2 and RNAPolII before and after LPS stimulation. Results: We show dynamic occupancy of three distal sites upstream of Ifnb1 gene by SUMO1 and SUMO2, as well as increased RNAPolII recruitment on selected genes. Conclusions: SUMO acts as a regulator of inflammatory and anti-viral gene programs. A study of SUMO and RNAPolII chromatin profile in Bone Marrow derived Dendritic Cells.

2015-12-14 | E-GEOD-66315 | biostudies-arrayexpress

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