8903
It was found that mixture of heparin with IFN-gamma inhibited up-regulation of the signal transducer and activator of transcription protein, STAT-1 produced normally by treatment of endothelial cells with IFN-gamma .
 protein: STAT-1; protein: IFN-gamma; cell type: endothelial cells; 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: STAT-1, IFN-gamma, endothelial cells, IFN-gamma 
Answer:
 protein: STAT-1; protein: IFN-gamma; cell type: endothelial cells; protein: IFN-gamma