34
These results suggest that the decreased IL-2 production and proliferative response displayed by PHA -activated PBL from elderly adults may be related to age-related changes in c-jun mRNA expression and in the ratio of c-fos to c-jun mRNA .
 RNA: c-jun mRNA; protein: IL-2; RNA: c-jun mRNA; cell line: PHA -activated PBL; DNA: c-jun; protein: PHA; RNA: c-fos
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:
 RNA: c-jun mRNA; protein: IL-2; RNA: c-jun mRNA; cell line: PHA -activated PBL; DNA: c-jun; protein: PHA; RNA: c-fos