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In this overview, we discuss the role of the transcription factor , STAT6 ( signal transducer and activator of transcription-6 ) in mediating IL-4- and IL-13- induced gene expression in monocytes .
 STAT6, transcription factor, signal transducer and activator of transcription-6, monocytes
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:
 STAT6, transcription factor, signal transducer and activator of transcription-6, monocytes