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Long read RNA-seq from A673 (ENCSR989ZYL)

ABSTRACT: ENC4_509 , ENC4_510 A673 rep1 human Ewing sarcoma (bone or soft tissue sarcoma) For data usage terms and conditions, please refer to http://www.genome.gov/27528022 and http://www.genome.gov/Pages/Research/ENCODE/ENCODE_Data_Use_Policy_for_External_Users_03-07-14.pdf

ORGANISM(S): Homo sapiens

PROVIDER: GSE219964 | GEO | 2022/12/04

REPOSITORIES: GEO

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Human A673 Ewing sarcoma secretome - effect of EWS-FLI-1 silencing

Project description:EWS-FLI-1 was silenced by an shRNA in A673 Ewing sarcoma cells and the resulting alterations in the secretome was analyzed by GeLC-MS/MS approach (six gel slices for each sample, luciferase shRNA-expressing cell secretome as control)

2021-07-06 | PXD016052 | Pride

DNase-seq from A673 (ENCSR346JWH)

Project description:DNase-seq on cell line A673 (polygonal cell from 15 year old female human muscle, Ewing's sarcoma) For data usage terms and conditions, please refer to http://www.genome.gov/27528022 and http://www.genome.gov/Pages/Research/ENCODE/ENCODE_Data_Use_Policy_for_External_Users_03-07-14.pdf

2016-12-07 | GSE90324 | GEO

Effect of LOX-PP on the gene expression profile of the A673 cell line (Ewing sarcoma)

Project description: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. Interestingly, we show that the tumor suppressor activity resides in the propeptide domain of LOX (LOX-PP), an N-terminal domain produced by proteolytic cleavage during the physiological processing of LOX. Finally, we show that LOX-PP inhibits ERK/MAPK signalling pathway, and that many pathways involved in cell cycle progression were significant deregulated by LOX-PP, providing a mechanistic explanation to the cell proliferation inhibition observed upon LOX-PP expression. In summary, our observations indicate that deregulation of the LOX gene participates in Ewing sarcoma development and identify LOX-PP as a new therapeutic target for one of the most aggressive paediatric malignancies. These findings suggest that therapeutic strategies based in the administration of LOX propeptide or functional analogues could be useful in the treatment of this devastating paediatric cancer. A673 cells derived from Ewing sarcoma were genetically enginereed to express LOX-PP upon doxycycline stimulation (72 hours). Three independent experiments from control cells and three independent experiments from A673 cells expressing LOX-PP were done. Gene expression profile in A673 cells expressing LOX-PP vs control cells were compared.

2013-12-31 | E-GEOD-46407 | biostudies-arrayexpress

RNA-seq and MYC ChIP-seq in A673 Ewing sarcoma cells with RUVBL1 knockout

Project description:This dataset examined the effect of RUVBL1 knockout in A673 Ewing sarcoma cells. The gene expression profiling (RNA-seq) and the chromatin targeting of MYC (ChIP-seq) are reported.

2023-03-27 | GSE182378 | GEO

Transcription profiling of human Ewing sarcoma (A673) cells treated with cytarabine, doxorubicin and puromycin oral tongue squamous cell carcinomas to identify novel potential prognosticators

Project description:An increasing number of cancer-associated mutations have been identified. Unfortunately, little therapy today exploits these tumor-specific genetic lesions. Often, the resulting oncoproteins have been intractable to easy manipulation with current small molecule screening approaches. To overcome this impasse, we developed an expression-based approach to small molecule library screening. We applied this platform to the discovery of modulators of the activity of EWS/FLI, the Ewing sarcoma associated oncoprotein. Cytarabine (ARA-C) was identified as the top hit in a small molecule library screen. ARA-C modulates EWS/FLI by decreasing EWS/FLI protein level and has striking effects on cellular viability and transformation in in vitro and in vivo models of Ewing sarcoma. With poor outcomes for patients with relapsed Ewing sarcoma and the well established safety profile of ARA-C, clinical trials testing ARA-C in Ewing sarcoma are warranted. Expression data was created for A673 cells treated with ARA-C and two other compounds used to treat Ewing sarcoma (Puromycin and Doxorubicin) at two doses (EC50 and 2xEC50) and three time points (24 hours, 3 days, and 5 days). Experiment Overall Design: A673 cells were treated with ARA-C (at doses of EC50 and 2xEC50) or vehicle in triplicate and expression profiled at 24 hours, 3 days, and 5 days. To exclude the possibility that ARA-C's modulation of the EWS/FLI signature was simply a non-specific response to treatment with all cytotoxic agents, we asked whether other compounds known to kill Ewing sarcoma cells (Doxorubicin and Puromycin) would induce the EWS/FLI off genome-wide expression pattern. A673 cells were treated with Doxorubicin and Puromycin (at doses of EC50 and 2xEC50) and expression profiled at 24 hours, 3 days, and 5 days.

2008-11-22 | E-GEOD-6930 | biostudies-arrayexpress

RUNX3 Facilitates Growth of Ewing Sarcoma Cells

Project description:Ewing sarcoma is an aggressive pediatric small round cell tumor that predominantly occurs in bone. Approximately 85% of Ewing sarcomas harbor the EWS/FLI fusion protein, which arises from a chromosomal translocation, t(11:22)(q24:q12). EWS/FLI interacts with numerous lineage-essential transcription factors to maintain mesenchymal progenitors in an undifferentiated state. We previously showed that EWS/FLI binds the osteogenic transcription factor RUNX2 and prevents osteoblast differentiation. In this study, we investigated the role of another Runt-domain protein, RUNX3, in Ewing sarcoma. RUNX3 participates in mesenchymal-derived bone formation and is a context dependent tumor suppressor and oncogene. RUNX3 was detected in all Ewing sarcoma cells examined, whereas RUNX2 was detected in only 73% of specimens. Like RUNX2, RUNX3 binds to EWS/FLI via its Runt domain. EWS/FLI prevented RUNX3 from activating the transcription of a RUNX-responsive reporter, p6OSE2. Stable suppression of RUNX3 expression in the Ewing sarcoma cell line A673 delayed colony growth in anchorage independent soft agar assays and reversed expression of EWS/FLI-responsive genes. These results demonstrate an important role for RUNX3 in Ewing sarcoma. RNA-seq to compare transcriptiome of control A673 ewing sarcoma cells stably expression a non-target or RUNX3 shRNA

2014-05-01 | E-GEOD-56900 | biostudies-arrayexpress

CTCF HiChIP data in A673 Ewing sarcoma cell lines (siCT & siSA2)

Project description:STAG2, a member of cohesin, is one of the most recurrently mutated genes in human cancer. Here, we investigated STAG2 function in the context of Ewing sarcoma, an aggressive bone tumor driven by EWS-FLI1 oncogene chimeric transcription factor. A673 Ewing sarcoma cell line was trasfected with siCT or 2 different siRNA targetting STAG2 during 72h and CTCF HiChIP experiments were preformed for each conditions. Analyses of HiChIP data show that STAG2 knowck-down alters CTCF-anchored loop extrusion.

2021-04-29 | GSE156650 | GEO

Microarray analysis of A673 cell line stably transfected with empty vector pc3.1 versus A673 cell lines stably transfected with pcDNA3.1-LMO3-BORCS5

Project description:In order to understand what genes were regulated by the presence of a new fusion transcript (LMO3-BORCS5), we stably transfected either an empty vector (pc3.1) or vector containing LMO3-BORCS5 sequence into A673 human Ewing sarcoma cell line. 2 different clones were obtained for each condition (4 conditions total), and 4 different RNA extractions were performed for each clone (4 x 4 = 16 conditions total).

2019-06-30 | E-MTAB-7021 | biostudies-arrayexpress

Expression data for analysis of genes regulated by EWS/FLI1 protein levels in Ewing sarcoma cell line A673

Project description: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.

2016-11-16 | GSE81018 | GEO

long read RNA-seq from Calu3 (ENCSR583KCB)

Project description:ENC4_513, ENC4_514 Calu-3 rep1 human non-small cell lung cancer (epithelial) For data usage terms and conditions, please refer to http://www.genome.gov/27528022 and http://www.genome.gov/Pages/Research/ENCODE/ENCODE_Data_Use_Policy_for_External_Users_03-07-14.pdf

2022-12-04 | GSE219425 | GEO

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