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Therefore we first examined the participation of NF-kappa B in germline C epsilon transcription in a human Burkitt lymphoma B cell line , DND39 .
 NF-kappa B, human Burkitt lymphoma B cell line, germline C epsilon, DND39
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, human Burkitt lymphoma B cell line, germline C epsilon, DND39