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DNA mobility shift assay revealed specific binding of nuclear protein (s) from LAM- , LPS- , or TNF-alpha- stimulated THP-1 cells to the NF-IL6 motifs .
 nuclear protein, NF-IL6 motifs
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:
 nuclear protein, NF-IL6 motifs