1221
Apart from stat3 , another cytoplasmic protein was tyrosine phosphorylated and subsequently translocated to the nucleus in response to IL-2 .
 cytoplasmic protein, IL-2, stat3
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:
 cytoplasmic protein, IL-2, stat3