5599
In addition to its role as a precursor for other steroid hormones , DHEA has been proposed to play an important role in immunity.
 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:
 None