1107
These results suggest that targeting IFN synthesis to HIV-1 -infected cells is an attainable goal and that autocrine IFN synthesis results in a long-lasting and permanent suppression of HIV-1 replication .
 protein: IFN; protein: IFN; cell line: HIV-1 -infected cells
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, IFN, HIV-1 -infected cells 
Answer:
 protein: IFN; protein: IFN; cell line: HIV-1 -infected cells