2521
Temporal analysis of the IL-4 down-regulatory effect on the IL-2- , IL-3- , or GM-CSF- induced proinflammatory cytokine gene expression in monocytes provided evidence that IL-4 acts predominantly on the post-transcriptional level .
 ( protein: IL-4, None) , ( cell type: monocytes, None) , ( protein: IL-4, 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-4, None) , ( cell type: monocytes, None) , ( protein: IL-4, None) 