10346
The balance between repression by ZEB and transcriptional activation by c-Myb /Ets provides a flexible regulatory mechanism for controlling gene expression in hematopoietic cells .
 ( protein: c-Myb, None) , ( protein: /Ets, None) , ( cell type: hematopoietic cells, None) , ( protein: ZEB, None) 
Locate the role in the text that participated in the event based on the event type and return it in the event list. 
 Option: Event type: RNA,cell type,protein,cell line,DNA, Arguments type: . 
Text: {0} 
Answer:
 ( protein: c-Myb, None) , ( protein: /Ets, None) , ( cell type: hematopoietic cells, None) , ( protein: ZEB, None) 