9142
Therefore, activation of Stat3 is essential for IL-6 -induced macrophage-differentiation and programmed cell death in this model.
 protein: IL-6; protein: Stat3
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
 Entities: IL-6, Stat3 
Answer:
 protein: IL-6; protein: Stat3