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These observations suggest that TNF and PMA do not lead to NF-kappa B activation through induction of changes in the cell redox status.
 protein: PMA; protein: TNF; protein: NF-kappa B
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 protein: PMA; protein: TNF; protein: NF-kappa B