5332
These findings establish that Rel can function as an activator or repressor of gene expression and is required by T lymphocytes for production of IL-3 and GM-CSF .
 ( protein: Rel, None) , ( protein: IL-3, None) , ( cell type: T lymphocytes, None) , ( protein: GM-CSF, 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: Rel, None) , ( protein: IL-3, None) , ( cell type: T lymphocytes, None) , ( protein: GM-CSF, None) 