7157
In conclusion, production of a Th1 cytokine , IFN-gamma , by HBsAg -reactive cells was associated with hepatocyte damage in chronic hepatitis B , while no counteracting effect of Th2 cytokines produced by those cells was observed.
 protein: Th1 cytokine; protein: cytokines; protein: Th2 cytokines; protein: IFN-gamma; protein: HBsAg
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: Th1 cytokine, cytokines, Th2 cytokines, IFN-gamma, HBsAg 
Answer:
 protein: Th1 cytokine; protein: cytokines; protein: Th2 cytokines; protein: IFN-gamma; protein: HBsAg