11886
From our results, we conclude that Rap1 activation in platelets is an important common event in early agonist-induced signalling , and that this activation is mediated by an increased intracellular Ca2+ concentration
 ( protein: Rap1, None) , ( cell type: platelets, 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: Rap1, None) , ( cell type: platelets, None) 