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The interleukin 2 ( IL-2 ) gene promoter is recognized by several cell-type-specific and ubiquitous transcriptional regulators that integrate information transmitted by various signaling systems leading to IL-2 production and T-cell activation .
 protein: IL-2; protein: interleukin 2; DNA: interleukin 2 ( IL-2 ) gene promoter; protein: IL-2; cell type: T-cell
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; protein: interleukin 2; DNA: interleukin 2 ( IL-2 ) gene promoter; protein: IL-2; cell type: T-cell