9856
The sophisticated control of Rel /NF-kappa B activity is not surprising since this transcription factor is involved in a wide array of cellular responses to extracellular cues, associated with growth, development, apoptosis , and pathogen invasion .
 ( protein: transcription factor, None) , ( protein: /NF-kappa B, None) , ( protein: Rel, None) , ( protein: Rel /NF-kappa B, 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: transcription factor, None) , ( protein: /NF-kappa B, None) , ( protein: Rel, None) , ( protein: Rel /NF-kappa B, None) 