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Related Experiment Video

Updated: Jun 23, 2026

Mapping the Structure-Function Relationships of Disordered Oncogenic Transcription Factors Using Transcriptomic Analysis

Mapping the Structure-Function Relationships of Disordered Oncogenic Transcription Factors Using Transcriptomic Analysis

Published on: June 27, 2020

A molecular function map of Ewing's sarcoma.

Maximilian Kauer¹, Jozef Ban, Reinhard Kofler

¹Children's Cancer Research Institute, St Anna Kinderkrebsforschung, Vienna, Austria.

|May 1, 2009

Summary

This summary is machine-generated.

Ewing

Related Experiment Videos

Last Updated: Jun 23, 2026

Mapping the Structure-Function Relationships of Disordered Oncogenic Transcription Factors Using Transcriptomic Analysis

Mapping the Structure-Function Relationships of Disordered Oncogenic Transcription Factors Using Transcriptomic Analysis

Published on: June 27, 2020

Area of Science:

Oncology
Molecular Biology
Genetics

Background:

Ewing's sarcoma family tumors (ESFT) are driven by the chimeric transcription factor EWS-FLI1.
A comprehensive analysis of EWS-FLI1's molecular functions in ESFT is lacking.

Purpose of the Study:

To construct a molecular function map of ESFT.
To identify novel EWS-FLI1 targets and understand its role in ESFT pathogenesis.

Main Methods:

Integrative analysis of gene expression profiling data from ESFT cell lines and primary tumors.
EWS-FLI1 knockdown experiments in ESFT cell lines.
Comparison with gene expression data from 80 normal tissues, using mesenchymal progenitor cells (MPC) as a reference.

Main Results:

A molecular function map of ESFT was generated, highlighting distinct EWS-FLI1-regulated gene clusters.
EWS-FLI1 up-regulated genes are associated with cell cycle, proliferation, and DNA damage response.
EWS-FLI1 down-regulated genes are linked to differentiation and cell communication.

Conclusions:

EWS-FLI1 promotes cellular transformation by inducing growth and blocking differentiation.
A novel ESFT-specific EWS-FLI1 signature was identified using MPC as a reference.
These findings may guide the development of targeted therapies for ESFT.