6079
Since this is the first report on IL-10 induced signal transduction , these data may help to identify the intracellular mechanisms by which IL-10 stimulates human B-cells .
 ( cell type: human B-cells, None) , ( protein: IL-10, None) , ( protein: IL-10, 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: human B-cells, None) , ( protein: IL-10, None) , ( protein: IL-10, None) 