2139
The effects of interleukin-13 ( IL-13 ) and interleukin-4 ( IL-4 ) on cellular functions were shown to be quite similar.
 ( protein: interleukin-4, None) , ( protein: IL-13, None) , ( protein: IL-4, None) , ( protein: interleukin-13, 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: interleukin-4, None) , ( protein: IL-13, None) , ( protein: IL-4, None) , ( protein: interleukin-13, None) 