BALB/c mice were immunized with a vaccine expressing the 78kDa (GRP-78) antigen of Leishmania donovani. Challenge infection was given intracardially after 2 weeks of second booster. A significant decrease in parasite burden was seen in vaccinees over the infected controls on all post challenge days and was found that maximum protection was provided by 78kDa+rIL-12 vaccine. It was highly immunogenic as depicted by the reduction in parasite load (71-94.8%) (Nagill and Kaur, 2010).
Nagill and Kaur, 2010: Nagill R, Kaur S. Enhanced efficacy and immunogenicity of 78kDa antigen formulated in various adjuvants against murine visceral leishmaniasis. Vaccine. 2010; 28(23); 4002-4012. [PubMed: 20093205].