7634
RESULTS: Phorbol-myristate-acetate and ionomycine strongly increase the percent-age of IL-2+ cells ; an additional 50% HCSs significantly suppresses the percentage to, or below the level of unstimulated cells .
 ( cell type: unstimulated cells, None) , ( cell line: IL-2+ 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 type: unstimulated cells, None) , ( cell line: IL-2+ cells, None) 