2459
The magnitude of the thrombin response in the different cell types paralleled the expression of the thrombin receptor mRNA .
 ( protein: thrombin receptor, None) , ( protein: thrombin, None) , ( protein: thrombin, None) , ( RNA: thrombin receptor mRNA, 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: thrombin receptor, None) , ( protein: thrombin, None) , ( protein: thrombin, None) , ( RNA: thrombin receptor mRNA, None) 