5875
Cross-linking CD40 on B cells preferentially induces stress-activated protein kinases rather than mitogen-activated protein kinases .
 ( protein: stress-activated protein kinases, None) , ( protein: CD40, None) , ( protein: mitogen-activated protein kinases, None) , ( cell type: B cells, 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: stress-activated protein kinases, None) , ( protein: CD40, None) , ( protein: mitogen-activated protein kinases, None) , ( cell type: B cells, None) 