1482
Costimulation results in the activation of a signaling pathway that leads to the simultaneous induction of the two transcription factors , AP-1 and NF-kappa B .
 protein: NF-kappa B; protein: transcription factors; protein: AP-1
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 protein: NF-kappa B; protein: transcription factors; protein: AP-1