1597
Regulation of the balance of cytokine production and the signal transducer and activator of transcription ( STAT ) transcription factor activity by cytokines and inflammatory synovial fluids.
 protein: STAT; protein: cytokine; protein: cytokines
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 protein: STAT; protein: cytokine; protein: cytokines