10270
B-CLL cells do express receptors for interferon-alpha ( IFN-alpha ) and IFN-gamma , and activation of both has been shown to promote B-CLL survival in vitro by preventing apoptosis .
 ( protein: IFN-gamma, None) , ( protein: interferon-alpha, None) , ( protein: IFN-alpha, 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: IFN-gamma, None) , ( protein: interferon-alpha, None) , ( protein: IFN-alpha, None) 