1049
Depending on costimulatory signals , SE induce either proliferation or anergy in T cells .
 protein: SE; cell type: T 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: SE; cell type: T cells