6763
RESULTS: Secretion of IL-8 and RANTES increased in a dose-dependent manner with increasing concentrations of DEP- PAHs (range, 0.5 ng to 50 ng/mL).
 ( protein: RANTES, None) , ( protein: IL-8, 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: RANTES, None) , ( protein: IL-8, None) 