13631
Role of IKK1 and IKK2 in lipopolysaccharide signaling in human monocytic cells .
 IKK2, human monocytic cells, IKK1
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:
 IKK2, human monocytic cells, IKK1