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These findings suggest a mechanism by which IL-2 binding to its receptor may activate specific genes involved in immune cell function .
 protein: IL-2; DNA: specific genes
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: IL-2; DNA: specific genes