11831
Involvement of Stat3 in interleukin-6 -induced IgM production in a human B-cell line .
 ( protein: IgM, None) , ( cell line: human B-cell line, None) , ( protein: interleukin-6, None) , ( protein: Stat3, 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: IgM, None) , ( cell line: human B-cell line, None) , ( protein: interleukin-6, None) , ( protein: Stat3, None) 