12166
Extract of Tripterygium wilfordii Hook . f (TWHf) has immunosuppressive activity and has been used as anti-inflammatory agent in traditional Chinese medicine for centuries.
 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