Title : FOXO1 is a direct target of EWS-Fli1 oncogenic fusion protein in Ewing's sarcoma cells.

Pub. Date : 2010 Nov 5

PMID : 20933505






4 Functional Relationships(s)
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1 To better understand how EWS-Fli1 affects FOXO1 expression, we have established a doxycycline-inducible siRNA system to achieve stable and reversible knockdown of EWS-Fli1 in Ewing"s sarcoma cells. Doxycycline EWS RNA binding protein 1 Homo sapiens
2 To better understand how EWS-Fli1 affects FOXO1 expression, we have established a doxycycline-inducible siRNA system to achieve stable and reversible knockdown of EWS-Fli1 in Ewing"s sarcoma cells. Doxycycline EWS RNA binding protein 1 Homo sapiens
3 Here we show that FOXO1 expression in Ewing"s cells has an inverse relationship with EWS-Fli1 protein level, and FOXO1 promoter activity is increased after doxycycline-induced EWS-Fli1 knockdown. Doxycycline EWS RNA binding protein 1 Homo sapiens
4 In addition, we have found that direct binding of EWS-Fli1 to FOXO1 promoter is attenuated after doxycycline-induced siRNA knockdown of the fusion protein. Doxycycline EWS RNA binding protein 1 Homo sapiens