4914
The effects of IFN-gamma on the transcription factors were specific, since no change was observed in the expression of NF-IL-6 or I kappa B alpha , the inhibitor of NF-kappa B .
 protein: IFN-gamma; protein: transcription factors; protein: NF-kappa B; protein: NF-IL-6; protein: I kappa B 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: IFN-gamma, transcription factors, NF-kappa B, NF-IL-6, I kappa B alpha 
Answer:
 protein: IFN-gamma; protein: transcription factors; protein: NF-kappa B; protein: NF-IL-6; protein: I kappa B alpha