1069
The NFATd element , which binds the transcription factor NFAT-1 and is very active in T cells , is only weakly active in one B clone and not at all in another.
 NFATd element, NFAT-1, T cells, B clone, transcription factor
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:
 NFATd element, NFAT-1, T cells, B clone, transcription factor