2342
The results of this study suggest that the NFAT ( -276 to -261 ), the distal octamer ( -256 to -248 ) and the proximal octamer ( -75 to -66 ) sites not only act as enhancers of IL-2 gene transcription in the presence of cellular stimulation , but also have a silencing effect on IL-2 gene expression in resting cells.
 IL-2, -276 to -261, IL-2 gene, distal octamer, proximal octamer, -256 to -248, IL-2 gene, -75 to -66, IL-2, NFAT
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:
 IL-2, -276 to -261, IL-2 gene, distal octamer, proximal octamer, -256 to -248, IL-2 gene, -75 to -66, IL-2, NFAT