4927
Differentiation of T-helper lymphocytes : selective regulation by members of the STAT family of transcription factors .
 transcription factors, STAT family, T-helper lymphocytes
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 factors, STAT family, T-helper lymphocytes