9751
Transcription factor NF-kappa B must be released from cytoplasmic inhibitory molecules ( I kappa Bs ) in order to move to the nucleus and to activate its target genes .
 cytoplasmic inhibitory molecules, target genes, NF-kappa B, I kappa Bs, Transcription factor
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:
 cytoplasmic inhibitory molecules, target genes, NF-kappa B, I kappa Bs, Transcription factor