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We observed that Fc gamma RI transcript levels in monoblast-like U937 cells were elevated within 3 hr and peaked 12 hr after exposure to IFN-gamma .
 cell line: monoblast-like U937 cells; protein: IFN-gamma; protein: Fc gamma RI
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: monoblast-like U937 cells, IFN-gamma, Fc gamma RI 
Answer:
 cell line: monoblast-like U937 cells; protein: IFN-gamma; protein: Fc gamma RI