9935
Activation of the nuclear factor of activated T cells transcription factor ( NF-AT ) is a key event underlying lymphocyte action .
 transcription factor, nuclear factor of activated T cells, NF-AT
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:
 transcription factor, nuclear factor of activated T cells, NF-AT