4300
Our results demonstrate the regulation of STAT activity by a signaling pathway that regulates the T cell functional phenotype and is distinct from the cytokine -activated Janus kinase -STAT signaling pathway .
 -STAT, cytokine, Janus kinase, STAT
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:
 -STAT, cytokine, Janus kinase, STAT