7148
These observations suggest a biological significance for different mechanisms of IL-2 activation in initiation and maintenance of the cytokine repertoire found in the mucosa .
 protein: IL-2; protein: cytokine repertoire
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
 Entities: IL-2, cytokine repertoire 
Answer:
 protein: IL-2; protein: cytokine repertoire