3708
A more than additive increase in IRF-1 gene expression was seen with ATRA and IFN-gamma in NB4 cells .
 cell line: NB4 cells; DNA: IRF-1 gene; protein: IFN-gamma
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: NB4 cells, IRF-1 gene, IFN-gamma 
Answer:
 cell line: NB4 cells; DNA: IRF-1 gene; protein: IFN-gamma