12747
The up-regulation of IL-1beta message could be mediated by the latent membrane protein-1 , EBV nuclear proteins 2 , 3 , 4 , and 6 genes .
 ( protein: latent membrane protein-1, None) , ( protein: IL-1beta, 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: IL-1beta, None) 