12785
Human peripheral B cells became capable of constitutively producing p40 by in vitro transformation with EBV , coincident with the expression of latent membrane protein 1 ( LMP1 ) of EBV .
 ( protein: latent membrane protein 1, None) , ( protein: LMP1, None) , ( cell type: Human peripheral 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: latent membrane protein 1, None) , ( protein: LMP1, None) , ( cell type: Human peripheral B cells, None) 