9562
Our results show that phosphorylation of STAT3alpha on serine 727 is not constitutive in quiescent T cells but can be induced by the cytokine IL-2 .
 STAT3alpha, quiescent T cells, cytokine IL-2, IL-2
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:
 STAT3alpha, quiescent T cells, cytokine IL-2, IL-2