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Importantly, constitutive expression of Rev M10 did not alter the secretion of interleukin 2 in response to mitogen stimulation of EL-4 and Jurkat cells .
 protein: interleukin 2; protein: Rev M10; cell line: EL-4; cell line: Jurkat cells
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: interleukin 2; protein: Rev M10; cell line: EL-4; cell line: Jurkat cells