293
These data, and the recent demonstration of JAK phosphorylation by IL-12 , identify a rapid signal-transduction pathway likely to mediate IL-12 -induced gene expression .
 ( protein: IL-12, None) , ( protein: JAK, None) , ( protein: IL-12, 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: IL-12, None) , ( protein: JAK, None) , ( protein: IL-12, None) 