12838
Fcgamma receptor -mediated mitogen-activated protein kinase activation in monocytes is independent of Ras .
 ( protein: Ras, None) , ( protein: mitogen-activated protein kinase, None) , ( protein: Fcgamma receptor, None) , ( cell type: monocytes, 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: Ras, None) , ( protein: mitogen-activated protein kinase, None) , ( protein: Fcgamma receptor, None) , ( cell type: monocytes, None) 