10687
To determine and compare protein/DNA interactions at the native IFN-gamma locus in T cells , we analyzed the human IFN-gamma promoter by ligation-mediated polymerase chain reaction (LM-PCR) techniques .
 protein: IFN-gamma; protein: IFN-gamma; cell type: T cells; DNA: human IFN-gamma promoter
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, IFN-gamma, T cells, human IFN-gamma promoter 
Answer:
 protein: IFN-gamma; protein: IFN-gamma; cell type: T cells; DNA: human IFN-gamma promoter