10542
Liberated NF-kappa B migrates to the nucleus , where it binds to specific promoter sites and activates gene transcription .
 NF-kappa B, specific promoter sites
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 NF-kappa B, specific promoter sites