8926
These findings thus emphasize the importance of IFN-alpha as a T-cell regulatory cytokine .
 protein: IFN-alpha; protein: T-cell regulatory cytokine
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: IFN-alpha, T-cell regulatory cytokine 
Answer:
 protein: IFN-alpha; protein: T-cell regulatory cytokine