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The chemiluminescent (CL) response of interferon-gamma-treated U937 ( IFN-U937 ) cells to sensitized target cells has been used to detect red cell , platelet and granulocyte antibodies .
 protein: red cell; protein: platelet; protein: granulocyte antibodies; cell line: interferon-gamma-treated U937 ( IFN-U937 ) cells; cell line: IFN-U937
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 protein: red cell; protein: platelet; protein: granulocyte antibodies; cell line: interferon-gamma-treated U937 ( IFN-U937 ) cells; cell line: IFN-U937