GEO DataSets

(Submitter supplied) The molecular hallmark of the Ewing family of tumors is the presence of balanced chromosomal translocations leading to the formation of chimerical transcription factors (i.e. EWS/FLI1) that play a pivotal role in the pathogenesis of Ewing tumors by deregulating gene expression. We have recently demonstrated that DAX1 (NR0B1), an orphan nuclear receptor which was not previously implicated in cancer, is induced by the EWS/FLI1 oncoprotein and is highly expressed in Ewing tumors, suggesting that DAX1 is a biologically relevant target of EWS/FLI1-mediated oncogenesis. more...

Organism:

Homo sapiens

Type:

Expression profiling by array

Platform:

GPL2895

12 Samples

Download data: TXT

(Submitter supplied) In this study we show that lysyl oxidase (LOX), an enzyme involved in maintaining structural integrity of the extracellular matrix, is expressed at low levels in Ewing sarcoma cells and primary tumors and is downregulated by the EWS/FLI1 oncoprotein characteristic of these tumors. Using a doxycycline inducible system to restore LOX expression in an Ewing sarcoma derived cell line, we show that LOX displays tumor suppressor activities. more...

Organism:

Homo sapiens

Type:

Expression profiling by array

Platform:

GPL17077

6 Samples

Download data: TXT

(Submitter supplied) The cellular origin of Ewing tumor (ET), a tumor of bone or soft tissues characterized by specific fusions between EWS and ETS genes, is highly debated. Through gene expression analysis comparing ETs with a variety of normal tissues, we show that the profiles of different EWS-FLI1-silenced Ewing cell lines converge toward that of mesenchymal stem cells (MSC). Moreover, upon EWS-FLI1 silencing, two different Ewing cell lines can differentiate along the adipogenic lineage when incubated in appropriate differentiation cocktails. more...

Organism:

Homo sapiens

Type:

Expression profiling by array

Platform:

GPL96

39 Samples

Download data: CEL

(Submitter supplied) We have performed a high-throughput RNA interference screen to identify targets inhibiting EWS-FLI1 driven cell proliferation in Ewing sarcoma cells. EWS-FLI1 expressing A673 Ewing sarcoma cells were screened both in presence and absence of EWS-FLI1 shRNA induction with druggable siRNA library. Leucine rich repeats and WD repeat Domain containing 1 (LRWD1) targeting siRNA pool was the strongest anti-proliferative hit identified only in presence of EWS-FLI1. more...

Organism:

Homo sapiens

Type:

Expression profiling by high throughput sequencing

Platform:

GPL16791

9 Samples

Download data: TXT

(Submitter supplied) This SuperSeries is composed of the SubSeries listed below.

Organism:

Danio rerio

Type:

Expression profiling by array

Platform:

GPL1319

12 Samples

Download data: CEL

(Submitter supplied) The fusion oncoprotein EWS-FLI1 arises from a t(11;22)(q24;q12) chromosomal translocation and causes Ewing's Sarcoma, a malignant bone tumor. The mechanism whereby EWS-FLI1 transforms cells is unknown. Somatic, mosaic expression of human EWS-FLI1 in zebrafish from the heat shock promoter [Tg(HSP:EWS-FLI1)] caused small round blue cell tumors (SRBCTs) similar to human Ewing's sarcoma. We performed microarray studies comparing zebrafish SRBCTs to another tumor type, zebrafish malignant peripheral nerve sheath tumors (MPNSTs). more...

Organism:

Danio rerio

Type:

Expression profiling by array

Platform:

GPL1319

6 Samples

Download data: CEL

(Submitter supplied) The fusion oncoprotein EWS-FLI1 arises from a t(11;22)(q24;q12) chromosomal translocation and causes Ewing's Sarcoma, a malignant bone tumor. The mechanism whereby EWS-FLI1 transforms cells is unknown. We made germline transgenic zebrafish expressing human EWS-FLI1 under the control of the heat shock promoter. Induction of EWS-FLI1 expression causes multiple defects in embryonic development. We compared gene expression in control and transgenic EWS-FLI1 zebrafish. more...

Organism:

Danio rerio

Type:

Expression profiling by array

Platform:

GPL1319

6 Samples

Download data: CEL

(Submitter supplied) Comparison of gene expression profiles between neuroblastoma samples and Ewing family tumor samples. RNA from native tumor samples was processed for DNA-microarray analysis using Affymetrix HG-U133A microarrays. Primary image analysis was performed using MAS 5.0 and data were scaled to an target intesity of 500. Keywords: ordered

Organism:

Homo sapiens

Type:

Expression profiling by array

Dataset:

GDS1713

Platform:

GPL96

10 Samples

Download data: CEL, TXT

(Submitter supplied) Gene expression analysis of cell lines initially established as neuroblastoma cell lines. Cells were harvested and processed for DNA-microarray analysis using Affymetrix HG-U133A microarrays. Primary image analysis was performed using MAS 5.0 and data were scaled to an target intesity of 500. Keywords: other

Organism:

Homo sapiens

Type:

Expression profiling by array

Dataset:

GDS1548

Platform:

GPL96

4 Samples

Download data: CEL

(Submitter supplied) Response of A673-cells to transfection with interleukin 2 (IL-2). Ewing family tumor (EFT) cell line A673 was transfected with an expression vector for IL-2 (cell line SBVGA1) or empty control vector (cell line SBVGA3). Cells were harvested at 3 different time points and processed for DNA-microarray analysis using Affymetrix HG-U95A microarrays. Primary image analysis was performed using MAS 5.0. In addition, primary analysis was performed with MAS 4.0 and data were scaled to an target intesity of 200. more...

Organism:

Homo sapiens

Type:

Expression profiling by array

Dataset:

GDS918

Platform:

GPL91

9 Samples

Download data

(Submitter supplied) Response of HEK293-cells after transfection with EWS-FLI1. HEK293 cells were transfected with the expression vector pIRES2-EGFP containing type I EWS-FLI1 or empty control vector. For transient transfection standard DEAE dextran method was used and RNA was isolated 48h post transfection. For stable transfection cells were transfected using FuGENE 6 (Roche, Mannheim, Germany) and cells were selected with 400 ug/mL G418. more...

Organism:

Homo sapiens

Type:

Expression profiling by array

Dataset:

GDS916

Platform:

GPL96

9 Samples

Download data

Analysis of Ewing family tumor (EFT) and neuroblastoma (NB) samples. Distinguishing EFTs from other small round blue cell tumors (SRBCTs), such as NBs, by histologic methods is often difficult. Results identify EF-associated genes that enable molecular discrimination between EFTs and other SRBCTs.

Organism:

Homo sapiens

Type:

Expression profiling by array, count, 2 disease state sets

Platform:

GPL96

Series:

GSE1825

10 Samples

Download data: CEL

Analysis of four cell lines initially established as neuroblastomas. Results indicate that the SK-N-MC cell line expresses all of the Ewing Family Tumor (EFT) signature genes. EFTs are small round blue cell tumors that show features of neuroectodermal differentiation.

Organism:

Homo sapiens

Type:

Expression profiling by array, count, 4 cell line, 2 disease state sets

Platform:

GPL96

Series:

GSE1824

4 Samples

Download data: CEL

Analysis of Ewing family tumor (EFT) cell line A673 response to interleukin-2 (IL-2) transfection to assess possible undesirable effects (e.g. tumor stimulation) of in vitro manipulation. Results impact the potential use of IL-2 transfection as an in vivo immunotherapy for EFT patients.

Organism:

Homo sapiens

Type:

Expression profiling by array, count, 3 cell line, 3 isolate sets

Platform:

GPL91

Series:

GSE1823

9 Samples

Download data

Human embryonic kidney cells HEK293 transfected with the Ewing family tumor (EFT)-specific EWS-FLI1 fusion protein to investigate the histogenetic origin of EFTs. The observed EFT-specific gene expression profile supports the concept of a neural crest and endothelial origin of EFT stem cells.

Organism:

Homo sapiens

Type:

Expression profiling by array, count, 3 cell line sets

Platform:

GPL96

Series:

GSE1822

9 Samples

Download data

(Submitter supplied) Comparison of gene expression profile of Ewing sarcoma cells which have an exchange of the endogenous EWS/FLI1 to either wild-type or a turnover-deficient mutant EWS/FLI1. Most target genes are saturated as only a few target genes are soly driven by increasing protein amount. The effect of a stable EWS/FLI1 mutant on global gene expression was evaluated in A673 Ewing sarcoma cells.

Organism:

Homo sapiens

Type:

Expression profiling by array

Platform:

GPL16686

9 Samples

Download data: CEL

(Submitter supplied) We identified global DNA binding properties of EWS-FLI1 in mouse Ewing sarcoma. GGAA microsatellites were found as binding sites of EWS-FLI1 but with less frequency than that in human Ewing sarcoma, and genomic distribution is not conserved between human and mouse.

Organism:

Mus musculus

Type:

Genome binding/occupancy profiling by high throughput sequencing

Platform:

GPL9185

6 Samples

Download data: BED, TDF

(Submitter supplied) CIC-DUX4 sarcoma (CDS) or CIC-rearranged sarcoma is a subcategory of small round cell sarcoma resembling the morphological phenotypes of Ewing sarcoma (ES). Recent clinicopathologic and molecular genetic analyses indicate that CDS is an independent disease entity from ES. Although a few ancillary markers have been used in the differential diagnosis of CDS, additional CDS-specific biomarkers are needed in challenging diagnosis for a more definitive classification. more...

Organism:

Mus musculus

Type:

Expression profiling by array

Platform:

GPL11180

20 Samples

Download data: CEL

(Submitter supplied) This SuperSeries is composed of the SubSeries listed below.

Organism:

Mus musculus

Type:

Expression profiling by array

Platform:

GPL11180

29 Samples

Download data: CEL

(Submitter supplied) EWS-FLI1 is a chimeric ETS transcription factor that is, due to a chromosomal rearrangement, specifically expressed in Ewing’s sarcoma family tumors (ESFT) and is thought to be the initiating event in the development of the disease. Previous genomic profiling experiments have identified a number of EWS-FLI1 regulated genes and genes that discriminate ESFT from other sarcomas, but so far a comprehensive analysis of EWS-FLI1 dependent molecular functions characterizing this aggressive cancer is lacking. more...

Organism:

Homo sapiens

Type:

Expression profiling by array

Platform:

GPL96

10 Samples

Download data: CEL