14555
A similar half-life was determined in IM-9 cells and was also unaffected by steroid treatment .
 ( cell line: IM-9 cells, 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:
 ( cell line: IM-9 cells, None) 