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This action of the phosphatase inhibitors , which is associated with the activation of the RelA.p50 NF-kappa B heterodimer , is not affected by agents that block the induction of I kappa B alpha phosphorylation by tumor necrosis factor alpha ( TNF-alpha ).
 NF-kappa B, RelA.p50 NF-kappa B heterodimer, tumor necrosis factor alpha, I kappa B alpha, TNF-alpha
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:
 NF-kappa B, RelA.p50 NF-kappa B heterodimer, tumor necrosis factor alpha, I kappa B alpha, TNF-alpha