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The present report demonstrates that even lower doses of ionizing radiation , 0.25-2.0 Gy , are capable of inducing expression of NF-kappa B in EBV-transformed 244B human lymphoblastoid cells .
 EBV-transformed 244B human lymphoblastoid cells, NF-kappa B, human lymphoblastoid cells
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:
 EBV-transformed 244B human lymphoblastoid cells, NF-kappa B, human lymphoblastoid cells