13231
Interleukin -4 and -13 induce upregulation of the murine macrophage 12/15-lipoxygenase activity : evidence for the involvement of transcription factor STAT6 .
 12/15-lipoxygenase activity, transcription factor, STAT6
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:
 12/15-lipoxygenase activity, transcription factor, STAT6