855
NF-kappa B , a transcription factor controlling the expression of genes involved in cell activation and growth control , has been shown to be activated by LMP-1 .
 ( protein: LMP-1, None) , ( protein: NF-kappa B, None) , ( DNA: genes, 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: LMP-1, None) , ( protein: NF-kappa B, None) , ( DNA: genes, None) , ( protein: transcription factor, None) 