4530
Latent membrane protein 1 and, to a lesser extent, EBV nuclear antigen 2 mediated the increase in p53 levels via activation of the NF-kappaB transcription factor .
 ( protein: NF-kappaB, None) , ( protein: EBV nuclear antigen 2, None) , ( protein: p53, None) , ( protein: Latent membrane protein 1, None) , ( protein: transcription factor, 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: NF-kappaB, None) , ( protein: EBV nuclear antigen 2, None) , ( protein: p53, None) , ( protein: Latent membrane protein 1, None) , ( protein: transcription factor, None) 