12787
Furthermore, transfection with LMP1 expression vector into a human B lymphoma cell line , Daudi , led to p40 production with nuclear factor (NF)-kappaB activation .
 ( protein: p40, None) , ( cell line: human B lymphoma cell line, None) , ( protein: nuclear factor (NF)-kappaB, None) , ( cell line: Daudi, None) , ( DNA: LMP1 expression vector, None) , ( protein: LMP1, 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: p40, None) , ( cell line: human B lymphoma cell line, None) , ( protein: nuclear factor (NF)-kappaB, None) , ( cell line: Daudi, None) , ( DNA: LMP1 expression vector, None) , ( protein: LMP1, None) 