13634
Recently, we have reported that the tumor necrosis factor and interleukin 1 signaling pathways activate two kinases, IKK1 and IKK2 .
 ( protein: interleukin 1, None) , ( protein: tumor necrosis factor, None) , ( protein: IKK2, None) , ( protein: IKK1, 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: interleukin 1, None) , ( protein: tumor necrosis factor, None) , ( protein: IKK2, None) , ( protein: IKK1, None) 