10535
When macrophages were pretreated with low doses of IFN-gamma and then stimulated with IFN-alpha , clearly enhanced formation of specific transcription factor complexes was detected.
 cell type: macrophages; protein: IFN-gamma; protein: transcription factor; protein: IFN-alpha
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: macrophages, IFN-gamma, transcription factor, IFN-alpha 
Answer:
 cell type: macrophages; protein: IFN-gamma; protein: transcription factor; protein: IFN-alpha