14466
Both overexpressed p65 and coexpressed p50 are cytoplasmic, whereas p65 delta is partly nuclear, indicating that the I kappa B induced by p65 can maintain NF-kappa B in the cytoplasm .
 I kappa B, p65 delta, p50, p65, NF-kappa B, p65
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:
 I kappa B, p65 delta, p50, p65, NF-kappa B, p65