409
E-selectin is induced within 1-2 h, peaks at 4-6 h, and gradually returns to basal level by 24 h.
 ( protein: E-selectin, 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: E-selectin, None) 