13036
We analysed IL-2 production in purified neonatal and adult T cells using polyclonal activator phorbol ester + calcium ionophore ( PDBu + iono ) or receptor-mediated anti-CD3 /anti-CD3+ anti-CD28 stimulation .
 protein: anti-CD3; protein: anti-CD28; protein: IL-2
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: anti-CD3, anti-CD28, IL-2 
Answer:
 protein: anti-CD3; protein: anti-CD28; protein: IL-2