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Because previous work has demonstrated that T cells from elderly individuals may display normal proliferative responses when activated via the anti-CD2 pathway , c-jun and jun B mRNA expression was also studied in anti-CD2-activated purified T cells .
 cell type: T cells; protein: anti-CD2; cell type: T cells; cell line: anti-CD2-activated purified 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:
 cell type: T cells; protein: anti-CD2; cell type: T cells; cell line: anti-CD2-activated purified T cells