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These results indicate that LMP-1 activates NF-kappa B in B-cell lines by targeting I kappa B alpha .
 LMP-1, I kappa B alpha, B-cell lines, NF-kappa B
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:
 LMP-1, I kappa B alpha, B-cell lines, NF-kappa B