14410
Using these drugs as probes, chemists and biologists have uncovered several intracellular signalling molecules bridging the generation of second-messenger Ca2+ ions and the transcriptional activation of IL-2 , among which are calmodulin , calcineurin and the nuclear factor of activated T cells ( NF-AT ).
 NF-AT, calcineurin, calmodulin, IL-2, nuclear factor of activated T cells, activated T cells, T 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:
 NF-AT, calcineurin, calmodulin, IL-2, nuclear factor of activated T cells, activated T cells, T cells