13682
In the presence of ADP-activated platelets , both MCP-1 secretion and ICAM-1 surface expression were significantly increased compared with nonstimulated platelets (P<0.02).
 ( protein: MCP-1, None) , ( cell type: ADP-activated platelets, None) , ( cell type: nonstimulated platelets, None) , ( protein: ICAM-1, 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: MCP-1, None) , ( cell type: ADP-activated platelets, None) , ( cell type: nonstimulated platelets, None) , ( protein: ICAM-1, None) 