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The EBV -encoded latent membrane protein 1 is capable of transactivating the isolated CD48 NF-kappa B site but not the intact element , suggesting that the latent membrane protein 1 -driven activation of NF-kappa B/Rel must interact with other regulatory pathways to control expression of cellular genes as EBV drives resting B cells into the cell cycle .
 latent membrane protein 1, CD48, NF-kappa B, resting B cells, intact element, NF-kappa B site, NF-kappa B/Rel, EBV -encoded latent membrane protein 1
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:
 latent membrane protein 1, CD48, NF-kappa B, resting B cells, intact element, NF-kappa B site, NF-kappa B/Rel, EBV -encoded latent membrane protein 1