1828
Activation of the interleukin 2 ( IL-2 ) gene after antigen recognition is a critical event for T cell proliferation and effector function.
 protein: interleukin 2; protein: IL-2; DNA: interleukin 2 ( IL-2 ) gene
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: IL-2; DNA: interleukin 2 ( IL-2 ) gene