10547
Chimeric oncoprotein E2a-Pbx1 induces apoptosis of hematopoietic cells by a p53 -independent mechanism that is suppressed by Bcl-2 .
 ( cell type: hematopoietic cells, None) , ( protein: E2a-Pbx1, None) , ( protein: Chimeric oncoprotein, None) , ( protein: p53, None) , ( protein: Bcl-2, 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:
 ( cell type: hematopoietic cells, None) , ( protein: E2a-Pbx1, None) , ( protein: Chimeric oncoprotein, None) , ( protein: p53, None) , ( protein: Bcl-2, None) 