5526
Signal transduction pathways triggered by the FcepsilonRIIb receptor ( CD23 ) in human monocytes lead to nuclear factor-kappaB activation .
 ( protein: nuclear factor-kappaB, None) , ( protein: FcepsilonRIIb receptor, None) , ( protein: CD23, None) , ( cell type: human 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: nuclear factor-kappaB, None) , ( protein: FcepsilonRIIb receptor, None) , ( protein: CD23, None) , ( cell type: human monocytes, None) 