12830
BACKGROUND AND OBJECTIVES: To further analyze the neonatal immune response to an antigenic challenge such as blood transfusion , c-fos and c-jun mRNA expression were analyzed in twelve in-vitro-stimulated normal cord blood and ten in-vitro-stimulated normal adult peripheral blood lymphocyte samples .
 ( cell type: in-vitro-stimulated normal adult peripheral blood lymphocyte samples, 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: in-vitro-stimulated normal adult peripheral blood lymphocyte samples, None) 