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Etv4 and Etv5 binding sites in EpRas mouse mammary gland epithelial cell line [ChIP-seq]

ABSTRACT: We searched for roles of Etv4 and Etv5 during EMT through genome-wide analysis of their binding sites in Ras-transformed mammary gland epithelial cells.

ORGANISM(S): Mus musculus

PROVIDER: GSE89618 | GEO | 2017/04/10

SECONDARY ACCESSION(S): PRJNA352723

REPOSITORIES: GEO

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Dynamics of chromatin accessibility during TGF-beta-induced EMT of Ras-transformed mammary gland epithelial cells

Project description:This SuperSeries is composed of the SubSeries listed below. Epithelial-mesenchymal transition (EMT) is induced by transforming growth factor (TGF)-beta stimulation and facilitates tumor progression. We here performed global mapping of accessible chromatin in the mouse mammary gland epithelial EpH4 cell line and its Ras-transformed derivative (EpRas) using formaldehyde-assisted isolation of regulatory element (FAIRE)-sequencing (seq). We also searched for differentially expressed transcription factors by RNA-seq and found that Etv4, an ETS family oncogenic transcription factor, was strongly expressed in EpRas cells. Moreover, chromatin immunoprecipitation (ChIP)-seq showed that Etv4 bound to more than one-third of the accessible chromatin regions in EpRas cells treated with TGF-beta. We found by gene ontology analysis that genes encoding extracellular proteins are the most strongly down-regulated genes by Etv4 and Etv5 siRNAs. These findings suggest a mechanism of transcriptional regulation during TGF-beta-induced EMT that involves alterations of accessible chromatin.

2017-04-10 | GSE69387 | GEO

RNASeq to investigate ETV4 and ETV5 function in human foetal lung tip progenitor cells

Project description:In order to understand transcription factor ETV4 and ETV5 function, we have knocked down ETV4 and ETV5 synergistically in human foetal lung tip progenitor organoids using an inducible CRISPRi system. We discovered that ETV double knockdown led to organoid cell self-renewal defects

2022-07-02 | GSE207179 | GEO

Chip-chip from Mouse E11.5 distal limb tissue cells for Gabpa, Ets1, Elf1, Etv4, Etv5 antibody

Project description:Two different groups of Ets transcription factors differentially act directly at the ZRS to define the spatial expression of Shh in the limb. Chromatin immunoprecipitation (ChIP) of Gabpa, Ets1, Etv4, Etv5 and Elf1 and by ChIP-on-chip analysis demonstrated that with the exception of Elf1 all bind directly to the Shh limb enhancer, the ZRS. Array design includes 2 biological replicates for Gabpa and Elf1, and two biological replicates and one dye swap replicate for Ets1, Etv4 and Etv5 samples.

2012-02-01 | E-GEOD-33997 | biostudies-arrayexpress

Transcription profiling of mouse knockouts for Etv4 and Etv5 - plusGDNF and minusGDNF comparison using U74Av2 and 430A arrays

Project description:GDNF signaling through the Ret receptor tyrosine kinase is critical for ureteric bud branching morphogenesis during kidney development yet few of the downstream genes are currently known. We find that the ETS transcription factors Etv4 and Etv5 are positively regulated by Ret signaling in ureteric bud tips. Etv4-/-Etv5+/- mice display either renal agenesis or severe hypodysplasia, while kidney development fails completely in double homozygotes. We identify several genes whose expression in the ureteric bud depends on Etv4 and Etv5, including Cxcr4, Myb, Met, Mmp14. Thus, Etv4 and Etv5 are key components of a gene network downstream of Ret that promotes and controls renal branching morphogenesis. Experiment Overall Design: 3 plus GDNF and 2 minus GDNF chips were analyzed with different pooled samples for each chip (U74Av2 and 430A). Sample comparisons and statistical analysis were performed using dChip 1.3, using the Comparison Analysis feature to identify genes differentially expressed between the two groups. The following filtering criteria were used: the “lower limit” for fold-change between the means of the +GDNF and -GDNF samples must exceed 1.2 with a 90% confidence limit, and the absolute difference between the two group means must exceed 100.

2009-10-02 | E-GEOD-18267 | biostudies-arrayexpress

FAIRE-seq analysis of Ras transformed mouse mammary gland epithelial cells transfected with Etv4 and Etv5 siRNAs and stimulated with TGF-beta.

Project description:We performed global mapping of accessible chromatin in mouse mammary gland epithelial EpH4 cell line and its Ras-transformed derivative (EpRas) using formaldehyde-assisted isolation of regulatory element (FAIRE)-sequencing (seq) to analyze the mechanisms of transcriptional regulation during TGF-beta-induced EMT.

2017-04-10 | GSE94977 | GEO

RNA-sequencing of EpH4 and EpRas cells treated with Etv4 and Etv5 siRNAs and/or TGF-beta.

Project description:We performed RNA-seq analysis in mouse mammary gland epithelial EpH4 cell line and its Ras-transformed derivative (EpRas) to analyze the mechanisms of transcriptional regulation during TGF-beta-induced EMT.

2017-04-10 | GSE69363 | GEO

Chip-chip from Mouse E11.5 distal limb tissue cells for Gabpa, Ets1, Elf1, Etv4, Etv5 antibody

2012-02-01 | GSE33997 | GEO

Murine ES Cells: Control vs. ETV4/5 double KO

Project description:ETS-related transcription factors ETV4 and ETV5 play crucial roles for organogenesis and morphogenesis. We compared the transcriptional profiles between wild-type and ETV4 and ETV5 double knockout (ETV4/5 dKO) ES cells by an oligo DNA microarray analysis. Self-renewal capacity and pluripotency are known to be controlled by an ES cell-specific transcription factor network; therefore, we focused on transcription-associated genes. Of 1258 transcription-related genes, 47 genes were significantly downregulated and 98 genes were significantly upregulated in ETV4/5 dKO ES cells. Several genes whose expression is specific to undifferentiated ES were repressed in ETV4/5 dKO ES cells. In contrast, expression of differentiation markers was enhanced in ETV4/5 dKO ES cells.

2015-09-13 | GSE47225 | GEO

Gene expression data of BCR-ABL1 transformed B cell precursors from ETV5 wild-type and ETV5 knockout mice

Project description:To elucidate the mechanism of ETV5-mediated pre-B cell survival signaling, we investigated the gene expression pattern in BCR-ABL1-transformed ETV5+/+ and ETV5-/- B cell precursors. BCR-ABL1 transformed B cell precursors of ETV5wild-type and ETV5 knockout mice were subjected to RNA isolation

2013-06-03 | E-GEOD-34833 | biostudies-arrayexpress

Gene expression changes upon knockdown or over-expression of the ETS gene ETV4 in prostate cancer cell lines

Project description:Chromosomal abnormalities that give rise to elevated expression levels of the ETS genes ETV1, ETV4, ETV5, or ERG are prevalent in prostate cancer, but the function of these transcription factors in carcinogenesis is not clear. Previous work implicates ERG, ETV1, and ETV5 as regulators of invasive growth but not transformation in cell lines. Here we show that the PC3 prostate cancer cell line provides a model system to study the over-expression of ETV4. Anchorage independent growth assays and microarray analysis indicate that high ETV4 expression is critical for the transformation phenotype of PC3 cells. However, genes up-regulated upon ETV4 over-expression were very similar to genes up-regulated by ETV1 over-expression in the RWPE-1 normal prostate cell line. Together these data indicate that the ETV4 dependent transformation phenotype observed in PC3 cells is due to the genetic background of the cell line, rather than a distinct characteristic of ETV4. Furthermore, these findings suggest that the function of ETS genes in prostate cancer may differ based on other genetic alterations in a tumor. Two sets of two color experiments. First is PC3 cells expressing one of two independent ETV4 shRNAs versus PC3 cells expressing a control shRNA (luciferase). Second is RWPE-1 cells expressing 3xFlag tagged ETV4 versus RWPE-1 cells with a control (empty) vector.

2011-03-24 | E-GEOD-21209 | biostudies-arrayexpress

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