4236
These findings indicate that antisense oligos against hepatitis B virus ( HBV ) have mitogenic effects on the proliferation of human lymphocytes in a non-specific manner and may activate T cells to express CD40 antigen .
 ( cell type: T cells, None) , ( cell type: human lymphocytes, None) , ( protein: CD40, None) , ( protein: CD40 antigen, 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:
 ( cell type: T cells, None) , ( cell type: human lymphocytes, None) , ( protein: CD40, None) , ( protein: CD40 antigen, None) 