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In EBV-transformed B clones , the chi B site exerted the strongest inducible activity ; the NF-AT binding sites showed either no or only weak activity compared to Jurkat T cells .
 Jurkat T cells, NF-AT binding sites, chi B site, EBV-transformed B clones
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:
 Jurkat T cells, NF-AT binding sites, chi B site, EBV-transformed B clones