12401
Cells were stimulated with endotoxin ( LPS , 100 ng/mL) with and without human IL-10 (10 ng/mL).
 ( protein: endotoxin, 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:
 ( protein: endotoxin, None) , ( protein: IL-10, None) 