13318
We have previously shown that the transcription factor GATA-3 is expressed in Th2 but not Th1 cells and is crucial for activation of the IL-5 promoter by different stimuli.
 ( protein: IL-5, None) , ( DNA: IL-5 promoter, None) , ( protein: transcription factor GATA-3, 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-5, None) , ( DNA: IL-5 promoter, None) , ( protein: transcription factor GATA-3, None) 