2449
Thrombin and thrombin receptor agonist peptide induce early events of T cell activation and synergize with TCR cross-linking for CD69 expression and interleukin 2 production.
 ( protein: TCR, None) , ( protein: CD69, None) , ( protein: Thrombin, None) , ( protein: thrombin receptor, 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: TCR, None) , ( protein: CD69, None) , ( protein: Thrombin, None) , ( protein: thrombin receptor, None) 