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  • Title: Dengue tetravalent DNA vaccine inducing neutralizing antibody and anamnestic responses to four serotypes in mice.
    Author: Konishi E, Kosugi S, Imoto J.
    Journal: Vaccine; 2006 Mar 15; 24(12):2200-7. PubMed ID: 16316713.
    Abstract:
    We developed a dengue tetravalent DNA vaccine consisting of plasmids expressing premembrane and envelope genes of each of four serotypes of dengue viruses. BALB/c mice immunized twice with the tetravalent vaccine at a dose of 100 microg (25 microg for each serotype) using a needle-free jet injector developed neutralizing antibodies against all serotypes. There was no interference among the four components included in this combination vaccine. Tetravalent vaccine-immunized mice showed anamnestic neutralizing antibody responses following challenge with each dengue serotype: responses to challenges from serotypes different to those used for neutralization tests were also induced.
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