9052
The induction of CD4+ T cell proliferative responses to eight synthetic peptides representing amino acid sequences of the VZV IE62 protein was assessed using T cells and DC from VZV -susceptible donors .
 ( protein: VZV IE62 protein, None) , ( protein: amino acid sequences, None) , ( cell type: T cells, None) , ( protein: CD4+, None) , ( cell type: DC, None) 
Locate the role in the text that participated in the event based on the event type and return it in the event list. 
 Option: Event type: RNA,cell type,protein,cell line,DNA, Arguments type: . 
Text: {0} 
Answer:
 ( protein: VZV IE62 protein, None) , ( protein: amino acid sequences, None) , ( cell type: T cells, None) , ( protein: CD4+, None) , ( cell type: DC, None) 